The Field Book/Index
Index
Every plate with what it is, every other name, code and alert, A to Z. The classified index lists the plates by volume and family.
2
22 degree haloOther name
Cirrostratus FB-SKY-012
A
above anvil cirrus plumeOther name
Overshooting top and above anvil plume FB-SKY-042AcOther name
Altocumulus FB-SKY-013accessory cloudOther name
Accessory clouds FB-SKY-033Accessory clouds
An accessory cloud is a smaller cloud seen with a main one, joined to it or close by: a cap over a rising top, a veil the tops push into, ragged scud under a raining base, or a band of low cloud feeding a storm.FB-SKY-033PlateadvisoryOther name
How to read a warning FB-STN-001Altocumulus
Altocumulus is a middle cloud of rounded masses, rolls or cloudlets in patches or sheets, white or grey and usually shaded, each element one to five degrees wide as seen from the ground.FB-SKY-013Platealtocumulus castellanusOther name
Altocumulus FB-SKY-013altocumulus lenticularisOther name
Altocumulus FB-SKY-013Orographic clouds FB-SKY-035Altostratus
Altostratus is a greyish or bluish sheet in the middle étage over all or much of the sky, thin enough in places to show the sun as through ground glass.FB-SKY-014Platealtostratus opacusOther name
Altostratus FB-SKY-014altostratus translucidusOther name
Altostratus FB-SKY-014anemometerOther name
What an instrument is FB-INS-001anvil plumeOther name
Overshooting top and above anvil plume FB-SKY-042arcusOther name
Supplementary features atlas FB-SKY-032AsOther name
Altostratus FB-SKY-014asperitasOther name
Supplementary features atlas FB-SKY-032aspirated shieldOther name
Stevenson screen and siting FB-INS-009Atmosphere in section
The atmosphere is layered by how its temperature changes with height: cooling upward through the troposphere where the weather is, warming through the stratosphere where ozone absorbs sunlight, cooling again through the mesosphere, and heating through the thin thermosphere.FB-ENG-001PlateAvalanche AdvisoryAlert
Snowpack strata FB-WAT-031Avalanche WarningAlert
Snowpack strata FB-WAT-031Avalanche WatchAlert
Snowpack strata FB-WAT-031
B
backsheared anvilOther name
Cumulonimbus architecture FB-SKY-041banner cloudOther name
Orographic clouds FB-SKY-035beam heightOther name
WSR-88D radar FB-INS-005beaver tailOther name
Accessory clouds FB-SKY-033Cumulonimbus architecture FB-SKY-041beehive shieldOther name
Stevenson screen and siting FB-INS-009Blizzard
A blizzard is wind and snow together: a sustained wind or frequent gusts of 35 mph or more, with falling or blowing snow that often cuts the visibility under a quarter of a mile, for three hours or longer.FB-EVT-081PlateBlizzard WarningAlert
Blizzard FB-EVT-081blizzard warningOther name
Blizzard FB-EVT-081blowing snowOther name
Blizzard FB-EVT-081BZVTEC code, blizzard
Blizzard FB-EVT-081
C
calibrationOther name
What an instrument is FB-INS-001cap cloudOther name
Accessory clouds FB-SKY-033Orographic clouds FB-SKY-035capillatusOther name
Species atlas FB-SKY-030castellanusOther name
Species atlas FB-SKY-030cataractagenitusOther name
Special clouds FB-SKY-034caudaOther name
Wall cloud FB-SKY-040cavumOther name
Cirrocumulus FB-SKY-011CbOther name
Cumulonimbus FB-SKY-019CcOther name
Cirrocumulus FB-SKY-011CFVTEC code, coastal flood
Coastal flood FB-EVT-105CFAWeather radio code
Coastal flood FB-EVT-105CFWWeather radio code
Coastal flood FB-EVT-105chinook archOther name
Orographic clouds FB-SKY-035CiOther name
Cirrus FB-SKY-010cirriformOther name
Cloud classification FB-SKY-001Cirrocumulus
Cirrocumulus is a thin high sheet or patch of small white grains or ripples, without shading, each element less than one degree wide as seen from the ground.FB-SKY-011Platecirrocumulus lenticularisOther name
Cirrocumulus FB-SKY-011cirrocumulus stratiformisOther name
Cirrocumulus FB-SKY-011Cirrostratus
Cirrostratus is a thin whitish veil of ice over much or all of the sky, smooth or fibrous, through which the sun still casts shadows.FB-SKY-012Platecirrostratus fibratusOther name
Cirrostratus FB-SKY-012cirrostratus nebulosusOther name
Cirrostratus FB-SKY-012Cirrus
Cirrus is high cloud made of ice, in white filaments, hooks or narrow bands with a fibrous look and often a silky sheen.FB-SKY-010Platecirrus fibratusOther name
Cirrus FB-SKY-010cirrus homogenitusOther name
Cirrus FB-SKY-010cirrus uncinusOther name
Cirrus FB-SKY-010classic supercellOther name
Supercell FB-EVT-007Cumulonimbus architecture FB-SKY-041Cloud classification
Clouds are named in Latin ranks set by the WMO's International Cloud Atlas: ten genera, sorted into low, middle and high levels by the height of their bases, then species, varieties, supplementary features and accessory clouds.FB-SKY-001Platecloud generaOther name
Cloud classification FB-SKY-001cloud speciesOther name
Species atlas FB-SKY-030cloud typesOther name
Cloud classification FB-SKY-001cloud varietiesOther name
Varieties atlas FB-SKY-031Coastal flood
A coastal flood is the sea standing higher than the land it borders.FB-EVT-105PlateCoastal Flood AdvisoryAlert
Coastal flood FB-EVT-105Moon and tides FB-CLK-003Coastal Flood StatementAlert
Coastal flood FB-EVT-105Moon and tides FB-CLK-003Coastal Flood WarningAlert
Coastal flood FB-EVT-105Moon and tides FB-CLK-003Coastal Flood WatchAlert
Coastal flood FB-EVT-105Moon and tides FB-CLK-003cold UOther name
Overshooting top and above anvil plume FB-SKY-042cone of silenceOther name
WSR-88D radar FB-INS-005cone of uncertaintyOther name
Hurricane FB-EVT-043congestusOther name
Species atlas FB-SKY-030contrailOther name
Special clouds FB-SKY-034convective stormOther name
Thunderstorm FB-EVT-001cooling tower cloudOther name
Special clouds FB-SKY-034cotton region shelterOther name
Stevenson screen and siting FB-INS-009critical fire weatherOther name
Fire weather FB-EVT-139CsOther name
Cirrostratus FB-SKY-012CuOther name
Cumulus FB-SKY-018cumuliformOther name
Cloud classification FB-SKY-001Cumulonimbus
Cumulonimbus is the thunderstorm cloud: a heavy, dense tower from a low dark base through all three étages, its top turning to fibrous ice and often spreading into an anvil.FB-SKY-019PlateCumulonimbus architecture
A cumulonimbus is built of parts a spotter learns to name: the updraft tower and the flanking line of towers feeding it, the anvil at the tropopause and the dome above it, mamma under the anvil, the rain free base and wall cloud under the updraft, and the rain and hail ahead.FB-SKY-041Platecumulonimbus calvusOther name
Cumulonimbus FB-SKY-019cumulonimbus capillatusOther name
Cumulonimbus FB-SKY-019cumulonimbus stormOther name
Thunderstorm FB-EVT-001Cumulus
Cumulus is a detached, heaped cloud with a flat base and a sharply outlined top that grows in rising mounds, brilliant white where the sun strikes it.FB-SKY-018Platecumulus congestusOther name
Cumulus FB-SKY-018cumulus humilisOther name
Cumulus FB-SKY-018cumulus mediocrisOther name
Cumulus FB-SKY-018cycloneOther name
Hurricane FB-EVT-043
D
damaging windOther name
High wind FB-EVT-150depth hoarOther name
Snowpack strata FB-WAT-031diurnalOther name
Moon and tides FB-CLK-003Doppler radarOther name
WSR-88D radar FB-INS-005drifting snowOther name
Blizzard FB-EVT-081dry lightningOther name
Fire weather FB-EVT-139dual polarizationOther name
WSR-88D radar FB-INS-005duplicatusOther name
Varieties atlas FB-SKY-031
E
EF scaleOther name
Tornado FB-EVT-009Enhanced Fujita scaleOther name
Tornado FB-EVT-009enhanced VOther name
Overshooting top and above anvil plume FB-SKY-042étageOther name
Cloud classification FB-SKY-001EWVTEC code, extreme wind
High wind FB-EVT-150exposureOther name
What an instrument is FB-INS-001Extreme Wind WarningAlert
High wind FB-EVT-150extreme wind warningOther name
High wind FB-EVT-150eyewallOther name
Hurricane FB-EVT-043
F
faceted snowOther name
Snowpack strata FB-WAT-031fair weather cumulusOther name
Cumulus FB-SKY-018fall streaksOther name
Cirrus FB-SKY-010fallstreak holeOther name
Cirrocumulus FB-SKY-011FFVTEC code, flash flood
Flash flood FB-EVT-100FFAWeather radio code
Flash flood FB-EVT-100FFSWeather radio code
Flash flood FB-EVT-100FFWWeather radio code
Flash flood FB-EVT-100fibratusOther name
Species atlas FB-SKY-030fire cloudOther name
Special clouds FB-SKY-034Fire weather
Fire weather is weather that lets a fire start easily and spread fast: dry air that draws water out of the fuel, wind that drives the flame and carries embers ahead of it, and lightning with little rain.FB-EVT-139PlateFire Weather WatchAlert
Fire weather FB-EVT-139fire weather watchOther name
Fire weather FB-EVT-139flammagenitusOther name
Special clouds FB-SKY-034flanking lineOther name
Cumulonimbus architecture FB-SKY-041Flash flood
A flash flood is water that rises fast: within six hours of the rain, the dam failure or the ice jam that causes it, and in a steep basin within minutes.FB-EVT-100Plateflash flood emergencyOther name
Flash flood FB-EVT-100Flash Flood StatementAlert
Flash flood FB-EVT-100Flash Flood WarningAlert
Flash flood FB-EVT-100Flash Flood WatchAlert
Flash flood FB-EVT-100flash floodingOther name
Flash flood FB-EVT-100Flood WatchAlert
Flash flood FB-EVT-100flumenOther name
Accessory clouds FB-SKY-033foehn wallOther name
Orographic clouds FB-SKY-035freezing rainOther name
Ice storm FB-EVT-084fuel moistureOther name
Fire weather FB-EVT-139funnel cloudOther name
Tornado FB-EVT-009Supplementary features atlas FB-SKY-032FWVTEC code, fire weather
Fire weather FB-EVT-139
G
galeOther name
High wind FB-EVT-150glazeOther name
Ice storm FB-EVT-084glaze iceOther name
Ice storm FB-EVT-084ground blizzardOther name
Blizzard FB-EVT-081ground glass skyOther name
Altostratus FB-SKY-014
H
H-VTECOther name
How to read a warning FB-STN-001halo cloudOther name
Cirrostratus FB-SKY-012high cloudOther name
Cirrus FB-SKY-010Cirrocumulus FB-SKY-011Cirrostratus FB-SKY-012high precipitation supercellOther name
Supercell FB-EVT-007Cumulonimbus architecture FB-SKY-041high tide floodingOther name
Coastal flood FB-EVT-105High wind
A high wind is a wind strong enough, for long enough, to break trees, bring down power lines and roll high profile vehicles, with no thunderstorm needed to make it.FB-EVT-150PlateHigh Wind WarningAlert
High wind FB-EVT-150high wind warningOther name
High wind FB-EVT-150High Wind WatchAlert
High wind FB-EVT-150high wind watchOther name
High wind FB-EVT-150homogenitusOther name
Special clouds FB-SKY-034homomutatusOther name
Special clouds FB-SKY-034How to read a warning
A warning is a product with a fixed anatomy: a headline naming the hazard, an area, a time it ends, what is happening and what it will do, what to do, and a line of code that lets a machine track the same event from the first issue to the last.FB-STN-001PlateEvery alert it explains 111
- 911 Telephone Outage
- Administrative Message
- Air Quality Alert
- Air Stagnation Advisory
- Ashfall Advisory
- Ashfall Warning
- Avalanche Advisory
- Avalanche Warning
- Avalanche Watch
- Beach Hazards Statement
- Blizzard Warning
- Blowing Dust Advisory
- Blowing Dust Warning
- Blue Alert
- Brisk Wind Advisory
- Child Abduction Emergency
- Civil Danger Warning
- Civil Emergency Message
- Coastal Flood Advisory
- Coastal Flood Statement
- Coastal Flood Warning
- Coastal Flood Watch
- Cold Weather Advisory
- Dense Fog Advisory
- Dense Smoke Advisory
- Dust Advisory
- Dust Storm Warning
- Earthquake Warning
- Evacuation Immediate
- Extreme Cold Warning
- Extreme Cold Watch
- Extreme Fire Danger
- Extreme Heat Warning
- Extreme Heat Watch
- Extreme Wind Warning
- Fire Warning
- Fire Weather Watch
- Flash Flood Statement
- Flash Flood Warning
- Flash Flood Watch
- Flood Advisory
- Flood Statement
- Flood Warning
- Flood Watch
- Freeze Warning
- Freeze Watch
- Freezing Fog Advisory
- Freezing Spray Advisory
- Frost Advisory
- Gale Warning
- Gale Watch
- Hazardous Materials Warning
- Hazardous Seas Warning
- Hazardous Seas Watch
- Hazardous Weather Outlook
- Heat Advisory
- Heavy Freezing Spray Warning
- Heavy Freezing Spray Watch
- High Surf Advisory
- High Surf Warning
- High Wind Warning
- High Wind Watch
- Hurricane Force Wind Warning
- Hurricane Force Wind Watch
- Hurricane Warning
- Hurricane Watch
- Hydrologic Outlook
- Ice Storm Warning
- Lake Effect Snow Warning
- Lake Wind Advisory
- Lakeshore Flood Advisory
- Lakeshore Flood Statement
- Lakeshore Flood Warning
- Lakeshore Flood Watch
- Law Enforcement Warning
- Local Area Emergency
- Low Water Advisory
- Marine Weather Statement
- Nuclear Power Plant Warning
- Radiological Hazard Warning
- Red Flag Warning
- Rip Current Statement
- Severe Thunderstorm Warning
- Severe Thunderstorm Watch
- Severe Weather Statement
- Shelter In Place Warning
- Short Term Forecast
- Small Craft Advisory
- Snow Squall Warning
- Special Marine Warning
- Special Weather Statement
- Storm Surge Warning
- Storm Surge Watch
- Storm Warning
- Storm Watch
- Test
- Tornado Warning
- Tornado Watch
- Tropical Cyclone Local Statement
- Tropical Storm Warning
- Tropical Storm Watch
- Tsunami Advisory
- Tsunami Warning
- Tsunami Watch
- Typhoon Warning
- Typhoon Watch
- Volcano Warning
- Wind Advisory
- Winter Storm Warning
- Winter Storm Watch
- Winter Weather Advisory
HUVTEC code, hurricane
Hurricane FB-EVT-043HUAWeather radio code
Hurricane FB-EVT-043Hurricane
A hurricane is a tropical cyclone whose sustained wind reaches 74 mph (33 m s⁻¹).FB-EVT-043PlateHurricane WarningAlert
Hurricane FB-EVT-043Hurricane WatchAlert
Hurricane FB-EVT-043HUWWeather radio code
Hurricane FB-EVT-043HWVTEC code, high wind
High wind FB-EVT-150
I
Ice storm
An ice storm is freezing rain that lasts long enough to coat the ground, the trees and the wires in a heavy shell of clear ice.FB-EVT-084PlateIce Storm WarningAlert
Ice storm FB-EVT-084ice storm warningOther name
Ice storm FB-EVT-084impact based warningOther name
How to read a warning FB-STN-001inflow bandOther name
Accessory clouds FB-SKY-033Cumulonimbus architecture FB-SKY-041instrument shelterOther name
Stevenson screen and siting FB-INS-009International Cloud AtlasOther name
Cloud classification FB-SKY-001ISVTEC code, ice storm
Ice storm FB-EVT-084
K
king tideOther name
Moon and tides FB-CLK-003Coastal flood FB-EVT-105
L
Lakeshore Flood AdvisoryAlert
Coastal flood FB-EVT-105Lakeshore Flood StatementAlert
Coastal flood FB-EVT-105Lakeshore Flood WarningAlert
Coastal flood FB-EVT-105Lakeshore Flood WatchAlert
Coastal flood FB-EVT-105lapse rateOther name
Atmosphere in section FB-ENG-001lee waveOther name
Orographic clouds FB-SKY-035lenticular cloudOther name
Altocumulus FB-SKY-013Orographic clouds FB-SKY-035lenticularisOther name
Species atlas FB-SKY-030lifted fogOther name
Stratus FB-SKY-017low cloudOther name
Stratocumulus FB-SKY-016Stratus FB-SKY-017Cumulus FB-SKY-018low overcastOther name
Stratus FB-SKY-017low precipitation supercellOther name
Supercell FB-EVT-007Cumulonimbus architecture FB-SKY-041low water crossingOther name
Flash flood FB-EVT-100loweringOther name
Wall cloud FB-SKY-040Luke HowardOther name
Cloud classification FB-SKY-001
M
mackerel skyOther name
Cirrocumulus FB-SKY-011Altocumulus FB-SKY-013mammaOther name
Supplementary features atlas FB-SKY-032mares' tailsOther name
Cirrus FB-SKY-010melt freeze crustOther name
Snowpack strata FB-WAT-031mesocyclonic thunderstormOther name
Supercell FB-EVT-007mesosphereOther name
Atmosphere in section FB-ENG-001middle cloudOther name
Altocumulus FB-SKY-013Altostratus FB-SKY-014Nimbostratus FB-SKY-015mixed tideOther name
Moon and tides FB-CLK-003MMTSOther name
Stevenson screen and siting FB-INS-009Moon and tides
The tide is the ocean answering the moon and the sun.FB-CLK-003Platemother of pearl cloudOther name
Noctilucent and nacreous clouds FB-SKY-036mountain waveOther name
Orographic clouds FB-SKY-035murusOther name
Supplementary features atlas FB-SKY-032Wall cloud FB-SKY-040
N
nacreous cloudOther name
Noctilucent and nacreous clouds FB-SKY-036neap tideOther name
Moon and tides FB-CLK-003NEXRADOther name
WSR-88D radar FB-INS-005night shining cloudOther name
Noctilucent and nacreous clouds FB-SKY-036Nimbostratus
Nimbostratus is a thick, dark grey layer that hides the sun everywhere, with rain or snow falling from it steadily rather than in showers.FB-SKY-015PlateNoctilucent and nacreous clouds
Noctilucent and nacreous clouds form far above the weather: noctilucent near 51 mi (82 km) at the edge of space in summer, nacreous near 9 to 16 mi (15 to 25 km) in the winter stratosphere.FB-SKY-036Platenoctilucent cloudOther name
Noctilucent and nacreous clouds FB-SKY-036NsOther name
Nimbostratus FB-SKY-015nuisance floodingOther name
Coastal flood FB-EVT-105
O
opacusOther name
Varieties atlas FB-SKY-031ordinary cellOther name
Thunderstorm FB-EVT-001Orographic clouds
Orographic clouds are made by mountains: air forced up and over a ridge cools and condenses, then sinks and warms in the lee, and sets up waves downwind.FB-SKY-035Plateovershooting domeOther name
Overshooting top and above anvil plume FB-SKY-042overshooting topOther name
Overshooting top and above anvil plume FB-SKY-042Overshooting top and above anvil plume
An overshooting top is a dome of cloud pushed above a thunderstorm's anvil by an updraft strong enough to carry air past the tropopause.FB-SKY-042Plate
P
P-VTECOther name
How to read a warning FB-STN-001pannusOther name
Nimbostratus FB-SKY-015Accessory clouds FB-SKY-033penetrating topOther name
Overshooting top and above anvil plume FB-SKY-042perigean spring tideOther name
Moon and tides FB-CLK-003pileusOther name
Accessory clouds FB-SKY-033polar mesospheric cloudOther name
Noctilucent and nacreous clouds FB-SKY-036polar stratospheric cloudOther name
Noctilucent and nacreous clouds FB-SKY-036pyrocumulonimbusOther name
Special clouds FB-SKY-034pyrocumulusOther name
Special clouds FB-SKY-034
R
radial velocityOther name
WSR-88D radar FB-INS-005radiation shieldOther name
What an instrument is FB-INS-001Stevenson screen and siting FB-INS-009radiatusOther name
Varieties atlas FB-SKY-031rain cloudOther name
Nimbostratus FB-SKY-015rain free baseOther name
Wall cloud FB-SKY-040Cumulonimbus architecture FB-SKY-041rain gaugeOther name
What an instrument is FB-INS-001red flagOther name
Fire weather FB-EVT-139Red Flag WarningAlert
Fire weather FB-EVT-139red flag warningOther name
Fire weather FB-EVT-139reflectivityOther name
WSR-88D radar FB-INS-005representativenessOther name
What an instrument is FB-INS-001roll cloudOther name
Stratocumulus FB-SKY-016rotating thunderstormOther name
Supercell FB-EVT-007rotating wall cloudOther name
Wall cloud FB-SKY-040rotor cloudOther name
Orographic clouds FB-SKY-035
S
Saffir-Simpson scaleOther name
Hurricane FB-EVT-043ScOther name
Stratocumulus FB-SKY-016scale heightOther name
Atmosphere in section FB-ENG-001screen heightOther name
Stevenson screen and siting FB-INS-009semidiurnalOther name
Moon and tides FB-CLK-003shelf cloudOther name
Supplementary features atlas FB-SKY-032silvagenitusOther name
Special clouds FB-SKY-034silver thawOther name
Ice storm FB-EVT-084single cell stormOther name
Thunderstorm FB-EVT-001sitingOther name
What an instrument is FB-INS-001siting classOther name
What an instrument is FB-INS-001Stevenson screen and siting FB-INS-009snow layersOther name
Snowpack strata FB-WAT-031snow pitOther name
Snowpack strata FB-WAT-031snow profileOther name
Snowpack strata FB-WAT-031snow water equivalentOther name
Snowpack strata FB-WAT-031Snowpack strata
A winter's snow lies on the ground as a stack of layers, one for each storm and each spell of weather between them.FB-WAT-031PlateSpecial clouds
Special clouds are clouds the International Cloud Atlas names for where they came from: over a fire, from a smokestack, a cooling tower or an aircraft's engines, over a waterfall or a forest.FB-SKY-034PlatespeciesOther name
Species atlas FB-SKY-030Species atlas
A species is the second rank of a cloud name.FB-SKY-030Platespring tideOther name
Moon and tides FB-CLK-003SPSWeather radio code
Thunderstorm FB-EVT-001StOther name
Stratus FB-SKY-017standard atmosphereOther name
Atmosphere in section FB-ENG-001statementOther name
How to read a warning FB-STN-001steady rainOther name
Nimbostratus FB-SKY-015Stevenson screen and siting
A thermometer in the open measures the sun and the ground as much as the air.FB-INS-009Platestorm surgeOther name
Hurricane FB-EVT-043Storm Surge WarningAlert
Moon and tides FB-CLK-003Coastal flood FB-EVT-105Storm Surge WatchAlert
Moon and tides FB-CLK-003Coastal flood FB-EVT-105storm tideOther name
Coastal flood FB-EVT-105stratiformOther name
Cloud classification FB-SKY-001Stratocumulus
Stratocumulus is a low layer or patches of grey or whitish cloud in rolls, lumps or rounded masses, joined or with gaps, each element more than five degrees wide as seen from the ground.FB-SKY-016Platestratocumulus castellanusOther name
Stratocumulus FB-SKY-016stratocumulus stratiformisOther name
Stratocumulus FB-SKY-016stratosphereOther name
Atmosphere in section FB-ENG-001Stratus
Stratus is a grey layer of cloud with a fairly even base, low over the ground, sometimes with drizzle, snow grains or ice prisms.FB-SKY-017Platestratus fractusOther name
Stratus FB-SKY-017stratus nebulosusOther name
Stratus FB-SKY-017Supercell
A supercell is a thunderstorm with a deep, persistent, rotating updraft: the mesocyclone.FB-EVT-007Platesupercell structureOther name
Cumulonimbus architecture FB-SKY-041supplementary featuresOther name
Supplementary features atlas FB-SKY-032Supplementary features atlas
A supplementary feature is a part attached to a cloud or falling from it: an anvil, pouches, falling rain, a shelf, a funnel, a wall.FB-SKY-032Platesurface hoarOther name
Snowpack strata FB-WAT-031surface observationOther name
What an instrument is FB-INS-001SVVTEC code, severe thunderstorm
Thunderstorm FB-EVT-001Supercell FB-EVT-007SVAWeather radio code
Thunderstorm FB-EVT-001Supercell FB-EVT-007SVRWeather radio code
Thunderstorm FB-EVT-001Supercell FB-EVT-007SVSWeather radio code
Thunderstorm FB-EVT-001Supercell FB-EVT-007SWEOther name
Snowpack strata FB-WAT-031
T
tail cloudOther name
Wall cloud FB-SKY-040TCUOther name
Cumulus FB-SKY-018thermalOther name
Cumulus FB-SKY-018thermometer screenOther name
Stevenson screen and siting FB-INS-009thermosphereOther name
Atmosphere in section FB-ENG-001thunderheadOther name
Cumulonimbus FB-SKY-019Thunderstorm
A thunderstorm is a cumulonimbus that makes lightning.FB-EVT-001Platethunderstorm cloudOther name
Cumulonimbus FB-SKY-019tidal constituentsOther name
Moon and tides FB-CLK-003tidal floodingOther name
Coastal flood FB-EVT-105tideOther name
Moon and tides FB-CLK-003TOVTEC code, tornado
Thunderstorm FB-EVT-001Supercell FB-EVT-007Tornado FB-EVT-009TOAWeather radio code
Thunderstorm FB-EVT-001Supercell FB-EVT-007Tornado FB-EVT-009TORWeather radio code
Thunderstorm FB-EVT-001Supercell FB-EVT-007Tornado FB-EVT-009Tornado
A tornado is a rotating column of air in contact with the ground and pendant from a cumuliform cloud.FB-EVT-009Platetornado debris signatureOther name
Tornado FB-EVT-009tornado emergencyOther name
Tornado FB-EVT-009towering cumulusOther name
Cumulus FB-SKY-018TRVTEC code, tropical storm
Hurricane FB-EVT-043TRAWeather radio code
Hurricane FB-EVT-043translucidusOther name
Varieties atlas FB-SKY-031tropical cycloneOther name
Hurricane FB-EVT-043Tropical Storm WarningAlert
Hurricane FB-EVT-043Tropical Storm WatchAlert
Hurricane FB-EVT-043tropopauseOther name
Atmosphere in section FB-ENG-001troposphereOther name
Atmosphere in section FB-ENG-001TRWWeather radio code
Hurricane FB-EVT-043tubaOther name
Supplementary features atlas FB-SKY-032tubaWMO
Tornado FB-EVT-009turn around don't drownOther name
Flash flood FB-EVT-100twisterOther name
Tornado FB-EVT-009TYVTEC code, typhoon
Hurricane FB-EVT-043typhoonOther name
Hurricane FB-EVT-043Typhoon WarningAlert
Hurricane FB-EVT-043Typhoon WatchAlert
Hurricane FB-EVT-043
U
undulatusOther name
Varieties atlas FB-SKY-031upper atmospheric cloudsOther name
Noctilucent and nacreous clouds FB-SKY-036upslope cloudOther name
Orographic clouds FB-SKY-035
V
Varieties atlas
A variety is the third rank of a cloud name.FB-SKY-031PlatevarietyOther name
Varieties atlas FB-SKY-031velumOther name
Accessory clouds FB-SKY-033virgaOther name
Supplementary features atlas FB-SKY-032volume scanOther name
WSR-88D radar FB-INS-005VTECOther name
How to read a warning FB-STN-001
W
wall cloudOther name
Supplementary features atlas FB-SKY-032Wall cloud FB-SKY-040Wall cloud
A wall cloud is a lowering of a thunderstorm's base under its strongest updraft, often at the rear of the rain in a supercell.FB-SKY-040Platewarning productOther name
How to read a warning FB-STN-001watchOther name
How to read a warning FB-STN-001weak layerOther name
Snowpack strata FB-WAT-031weather radarOther name
WSR-88D radar FB-INS-005weather stationOther name
What an instrument is FB-INS-001What an instrument is
An instrument is a sensor, set in a place, read on a clock and kept in a record.FB-INS-001PlatewhiteoutOther name
Blizzard FB-EVT-081WIVTEC code, wind
High wind FB-EVT-150Wind AdvisoryAlert
High wind FB-EVT-150wind advisoryOther name
High wind FB-EVT-150wind slabOther name
Snowpack strata FB-WAT-031windstormOther name
High wind FB-EVT-150Winter Storm WarningAlert
Blizzard FB-EVT-081winter storm warningOther name
Blizzard FB-EVT-081Winter Storm WatchAlert
Blizzard FB-EVT-081Winter Weather AdvisoryAlert
Ice storm FB-EVT-084winter weather advisoryOther name
Ice storm FB-EVT-084WSVTEC code, winter storm
Blizzard FB-EVT-081WSR-88D radar
The weather radar network of the United States: about 160 S band Doppler radars, each a 28 ft (8.5 m) dish turning inside a radome and scanning a volume every 4 to 10 minutes.FB-INS-005PlateWWVTEC code, winter weather
Ice storm FB-EVT-084