Storm Station

Beside a road

RWIS network, identified by the register

Identifier
05_31_007.3
Latitude
38.09014 N
Longitude
85.87733 W
Elevation
-
Rank
-
Air temperature
59.5F
Dew point
55.5F
Pavement temperature
54.7F

On the radar over US-31 at mile 7.3ReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

Beside a road

Drawn as the kind of place it stands at. 44 instruments in Kentucky stand at one.

Station charts

US-31 at mile 7.3 Report

Rank
-
Time to reach Storm Station
9 min9 in 10 within 14 min
Against its reference, 30 days
+0.3 °Fwarmer than the airport station KSDF, 10 miles away, on average over 70 readings; typical difference 2.0 °F; also compared with 1 other reference station

Against its reference: each temperature this station reports is compared with the nearest airport or climate reference station that reported within half an hour, up to 15 miles away. The figure is its reading less the reference's, on average, as both were reported; the typical difference is the root mean square. The difference in height is shown where both heights are known.

Chart of the 528 ranked stations in Kentucky on Oct 4 by the share of their scheduled reports received in Storm Station's own record, up to 7 days, in tenths: 0 to 9 per cent, 0; 10 to 19 per cent, 0; 20 to 29 per cent, 0; 30 to 39 per cent, 10; 40 to 49 per cent, 7; 50 to 59 per cent, 9; 60 to 69 per cent, 20; 70 to 79 per cent, 17; 80 to 89 per cent, 17; 90 to 99 per cent, 233; 100 per cent, 215.WHERE IT RANKS IN KENTUCKY, Oct 4PER CENT OF SCHEDULED REPORTS RECEIVEDIN STORM STATION'S OWN RECORD, UP TO 7 DAYS1101000 to 910 to 1920 to 2930 to 391040 to 49750 to 59960 to 692070 to 791780 to 891790 to 99233100215STATIONS, LOG SCALE
The ranking these charts were drawn from, as tables
Share of scheduled reports receivedStations
100%215
90 to 99%233
80 to 89%17
70 to 79%17
60 to 69%20
50 to 59%9
40 to 49%7
30 to 39%10
20 to 29%0
10 to 19%0
0 to 9%0

Station report

US-31 at mile 7.3, in 2 sheets

Drawn from the register, in the manner of the Field Book, and opened beside the plates that explain each part of it.

1The sun

Contents

On Oct 4 the noon sun stands 47 degrees above the horizon at 38.09 N, and the day is 11 h 31 min long. Level ground there takes 74 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at US-31 at mile 7.3, angles true: on Oct 4 it stands 47 degrees above the horizon, against 75 at the June solstice, 52 at the equinoxes and 28 at the December solstice; the day is 11 h 31 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 05_31_007.3FIG. E THE SUN AT US-31 AT MILE 7.3ELEVATION LOOKING WEST, SOUTH TO THE LEFT: THE NOON SUN ON THE DAY OF THE REPORT, AND AT THE SOLSTICES AND EQUINOXES; ANGLES TRUETHE STATIONJUNE SOLSTICE 75°EQUINOXES 52°DECEMBER SOLSTICE 28°OCT 4, 47°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 11 H 31 MINLEVEL GROUND TAKES 74 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 38.09 N; THE SUN'S DECLINATION -4.6°TITLEUS-31 at mile 7.3, the sunSTATION REPORT · RWIS 05_31_007.3TYPEELEVATIONSCALEANGLES TRUEREVFROM THE REGISTER SHEET 1 of 2DATE2026-10-04IDSR-05310073-1DRAWN AS linework on paperSOURCES FB-ENG-007

From the Field Book

2The instrument

Contents

A road weather station. Its sensors, as its network builds them.

Elevation of a road weather station, US-31 at mile 7.3, each sensor drawn and labelled with what it read: no reading in the last day.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 05_31_007.3FIG. F THE INSTRUMENTELEVATION OF A ROAD WEATHER STATION, EACH SENSOR WITH WHAT IT READTHE ROAD, IN SECTIONPAVEMENT SENSOR, SET IN THE ROAD-PROBE UNDER THE ROAD-AIR TEMPERATURE ON THE TOWER-WIND AT THE TOP OF THE TOWER-SCHEMATIC; THE SPACING BETWEEN SENSORS IS NOT TO SCALETITLEUS-31 at mile 7.3, the instrumentSTATION REPORT · RWIS 05_31_007.3TYPEELEVATIONSCALESCHEMATICREVFROM THE REGISTER SHEET 2 of 2DATE2026-10-04IDSR-05310073-2DRAWN AS linework on paperSOURCES FB-INS-001

From the Field Book

The instrumentWhat an instrument is FB-INS-001Stevenson screen and siting FB-INS-009

What it seesLapse rates and stability FB-ENG-005Water vapour as a gas FB-ENG-011Blizzard FB-EVT-081Ice storm FB-EVT-084Heat wave and heat dome FB-EVT-130Fire weather FB-EVT-139High wind FB-EVT-150Humidity variables FB-WAT-002Fog types FB-WAT-020

What this instrument measures for

1 place reads it as one of the nearest to it.

Near US-31 at mile 7.3

Gauges

Weather instruments

Places