Naval Station Roosevelt Roads

At an airfield in Ceiba Municipio, Puerto Rico

At an airfield

ASOS network, identified by the register

Identifier: TJNR
Latitude: 18.25530 N
Longitude: 65.63860 W
Elevation: 39 ft
Rank: -
Observed: 12:53 AMAST, 43 minutes ago
Sky: scattered cloudSCT
Air temperature: 81F
What it feels like: 86.8F
High so far today: 81F
Low so far today: 81F
Dew point: 75F
Relative humidity: 82%
Visibility: 10mi
Pressure: 30.02inHg
Wind: 12mph
Strongest wind today: 12mph
Wind direction: 70°
Precipitation this hour: 0in

On the radar over Naval Station Roosevelt RoadsReflectivity Storm tops Rain rate Rain, last 24 hours Forecast temperature Forecast rain total Every picture

At an airfield

Drawn as the kind of place it stands at. 6 instruments in Puerto Rico stand at one.

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Station charts

Naval Station Roosevelt Roads Report

Rank: -
Schedule: every hour
Reports received, 24 hours: 20 of 2483.3% of its schedule, 26 reports in all
Reports received, 7 days: 145 of 16886.3% of its schedule, 212 reports in all
Days reported, 30 days: 20 of 30
Longest silence, 7 days: 3 hoursfrom Oct 5, 10:53 AM
Latest report: Oct 11, 12:53 AMlocal time

Its schedule is one report every hour, 24 in 24 hours. Two reports in the same hour count as one received.

The forecast here, October 9, 2026

Temperature, mean miss: 1.2 Fran -0.0 F over 69 forecast hours; corrected, 2.1 F
Dew point, mean miss: 0.6 Fran +0.2 F over 69 forecast hours; corrected, 0.7 F
Wind, mean miss: 3.5 mphran +3.4 mph over 69 forecast hours; corrected, 2.3 mph
Sky cover, mean miss: 25.9 %ran +15.0 % over 49 forecast hours; corrected, 21.5 %

Each hour’s forecast against this airfield’s own report, the day after. Every airfield, scored.

24 hours7 days30 days

The readings these charts were drawn from, as a table

Hour	Temperature F	Dew point F	Relative humidity %	Wind mph	Gust mph	Wind direction °	Pressure, altimeter inHg	Visibility mi	Lowest cloud base ft	Precipitation in	Reports
Sun 11, 12 AM	81.0	75.0	82	12	-	70	30.02	10.0	2,200	0.00	1
Sat 10, 11 PM	80.0	75.0	85	9	-	60	30.03	10.0	2,300	trace	1
Sat 10, 10 PM	81.0	74.0	79	9	-	90	30.04	10.0	2,300	0.00	1
Sat 10, 8 PM	78.0	75.0	91	2	-	90	30.04	10.0	1,900	0.00	3
Sat 10, 7 PM	77.0	75.0	94	3	-	330	30.02	10.0	2,300	0.00	1
Sat 10, 6 PM	77.0	75.0	94	5	-	290	29.99	10.0	-	0.00	1
Sat 10, 5 PM	79.7	75.3	87	9	33	140	29.99	1.8	1,500	0.07	3
Sat 10, 4 PM	85.0	76.0	75	14	18	100	29.98	10.0	2,600	0.00	1
Sat 10, 2 PM	87.5	75.5	68	11	-	90	29.97	10.0	2,700	0.00	2
Sat 10, 1 PM	86.0	76.0	72	7	-	90	29.98	10.0	2,200	0.00	2
Sat 10, 12 PM	85.0	76.0	75	10	-	40	30.00	10.0	2,300	0.00	1
Sat 10, 11 AM	86.0	76.0	72	8	-	60	30.03	10.0	2,200	0.00	1
Sat 10, 10 AM	85.0	76.0	75	8	-	50	30.06	10.0	2,200	0.00	1
Sat 10, 7 AM	84.0	76.0	77	7	-	70	30.03	10.0	7,500	0.00	1
Sat 10, 6 AM	80.0	76.0	88	5	-	110	30.02	10.0	2,200	0.00	1
Sat 10, 5 AM	77.0	75.0	94	0	-	-	30.00	10.0	-	0.00	1
Sat 10, 4 AM	79.0	75.0	88	0	-	-	29.98	10.0	2,800	0.00	1
Sat 10, 3 AM	80.0	76.0	88	6	-	100	29.98	10.0	2,300	0.00	1
Sat 10, 2 AM	81.0	75.0	82	7	-	90	30.00	10.0	-	0.00	1

The readings these charts were drawn from, as a table

Hour	Temperature F	Dew point F	Relative humidity %	Wind mph	Gust mph	Wind direction °	Pressure, altimeter inHg	Visibility mi	Lowest cloud base ft	Precipitation in	Reports
Sun 11, 12 AM	81.0	75.0	82	12	-	70	30.02	10.0	2,200	0.00	1
Sat 10, 11 PM	80.0	75.0	85	9	-	60	30.03	10.0	2,300	trace	1
Sat 10, 10 PM	81.0	74.0	79	9	-	90	30.04	10.0	2,300	0.00	1
Sat 10, 8 PM	78.0	75.0	91	2	-	90	30.04	10.0	1,900	0.00	3
Sat 10, 7 PM	77.0	75.0	94	3	-	330	30.02	10.0	2,300	0.00	1
Sat 10, 6 PM	77.0	75.0	94	5	-	290	29.99	10.0	-	0.00	1
Sat 10, 5 PM	79.7	75.3	87	9	33	140	29.99	1.8	1,500	0.07	3
Sat 10, 4 PM	85.0	76.0	75	14	18	100	29.98	10.0	2,600	0.00	1
Sat 10, 2 PM	87.5	75.5	68	11	-	90	29.97	10.0	2,700	0.00	2
Sat 10, 1 PM	86.0	76.0	72	7	-	90	29.98	10.0	2,200	0.00	2
Sat 10, 12 PM	85.0	76.0	75	10	-	40	30.00	10.0	2,300	0.00	1
Sat 10, 11 AM	86.0	76.0	72	8	-	60	30.03	10.0	2,200	0.00	1
Sat 10, 10 AM	85.0	76.0	75	8	-	50	30.06	10.0	2,200	0.00	1
Sat 10, 7 AM	84.0	76.0	77	7	-	70	30.03	10.0	7,500	0.00	1
Sat 10, 6 AM	80.0	76.0	88	5	-	110	30.02	10.0	2,200	0.00	1
Sat 10, 5 AM	77.0	75.0	94	0	-	-	30.00	10.0	-	0.00	1
Sat 10, 4 AM	79.0	75.0	88	0	-	-	29.98	10.0	2,800	0.00	1
Sat 10, 3 AM	80.0	76.0	88	6	-	100	29.98	10.0	2,300	0.00	1
Sat 10, 2 AM	81.0	75.0	82	7	-	90	30.00	10.0	-	0.00	1
Sat 10, 1 AM	81.0	75.0	82	8	-	80	30.02	10.0	-	0.00	1
Sat 10, 12 AM	81.0	76.0	85	8	-	60	30.03	10.0	6,000	0.00	1
Fri 9, 9 PM	83.0	76.0	80	13	-	70	30.03	10.0	-	0.00	1
Fri 9, 8 PM	83.0	76.0	80	13	-	80	30.03	10.0	2,400	0.00	1
Fri 9, 7 PM	82.0	77.0	85	9	-	60	30.01	10.0	2,300	0.03	1
Fri 9, 6 PM	81.0	76.0	85	3	-	60	29.99	10.0	2,600	0.00	1
Fri 9, 5 PM	82.0	74.0	77	9	-	90	29.98	10.0	3,800	trace	1
Fri 9, 4 PM	85.0	75.0	72	8	-	70	29.97	10.0	8,500	0.00	1
Fri 9, 2 PM	79.0	74.0	85	7	18	350	29.99	10.0	2,500	trace	1
Fri 9, 1 PM	82.0	76.0	82	12	28	30	29.99	8.0	2,600	trace	1
Fri 9, 12 PM	87.0	76.0	70	12	-	60	30.00	10.0	-	0.00	1
Fri 9, 11 AM	88.0	76.0	68	13	-	60	30.02	10.0	-	0.00	1
Fri 9, 10 AM	88.0	75.0	66	13	-	90	30.04	10.0	-	0.00	1
Fri 9, 9 AM	87.0	76.0	70	13	-	70	30.05	10.0	-	0.00	1
Fri 9, 7 AM	85.0	76.0	75	10	-	80	30.02	10.0	2,700	trace	1
Fri 9, 6 AM	83.0	76.0	80	9	-	70	30.00	10.0	2,200	0.00	1
Fri 9, 4 AM	83.0	76.0	80	8	-	90	29.98	10.0	2,200	0.00	1
Fri 9, 3 AM	82.0	75.0	79	9	-	90	29.97	10.0	2,400	0.00	1
Fri 9, 2 AM	82.0	74.0	77	7	-	90	29.97	10.0	2,800	0.00	1
Fri 9, 12 AM	83.0	75.0	77	8	-	80	30.01	10.0	2,700	0.00	1
Thu 8, 11 PM	83.0	75.0	77	9	-	70	30.02	10.0	2,600	0.00	1
Thu 8, 10 PM	83.0	75.0	77	9	-	90	30.03	10.0	-	0.00	1
Thu 8, 7 PM	84.0	75.0	74	8	-	100	29.99	10.0	2,500	0.00	1
Thu 8, 6 PM	84.0	75.0	74	8	-	110	29.97	10.0	2,600	0.00	1
Thu 8, 5 PM	84.0	76.0	77	7	-	100	29.96	10.0	-	0.00	1
Thu 8, 4 PM	86.0	76.0	72	13	-	100	29.94	10.0	-	0.00	1
Thu 8, 3 PM	87.0	76.0	70	13	21	100	29.93	10.0	7,500	0.00	1
Thu 8, 2 PM	88.0	76.0	68	15	-	100	29.93	10.0	-	0.00	1
Thu 8, 1 PM	88.0	76.0	68	13	-	100	29.94	10.0	-	0.00	1
Thu 8, 12 PM	88.0	78.0	72	13	-	90	29.96	10.0	5,000	0.00	1
Thu 8, 11 AM	88.0	77.0	70	14	-	120	29.98	10.0	2,800	0.00	1
Thu 8, 10 AM	88.0	77.0	70	15	-	100	30.00	10.0	4,000	0.00	1
Thu 8, 9 AM	86.0	76.7	74	10	-	120	30.00	10.0	2,400	0.00	3
Thu 8, 8 AM	85.0	76.0	75	10	-	120	30.00	10.0	2,400	0.00	2
Thu 8, 7 AM	84.0	76.5	78	10	-	110	29.98	10.0	2,400	0.00	2
Thu 8, 6 AM	82.0	76.0	82	10	-	130	29.96	10.0	2,300	0.00	1
Thu 8, 5 AM	81.5	77.0	86	7	-	140	29.94	10.0	2,000	0.00	2
Thu 8, 4 AM	81.0	76.0	85	5	-	130	29.93	10.0	-	0.00	1
Thu 8, 3 AM	80.0	77.0	91	3	-	-	29.91	10.0	-	0.00	1
Thu 8, 1 AM	80.0	77.0	91	5	-	140	29.93	10.0	-	0.00	1
Thu 8, 12 AM	79.0	77.0	94	0	-	-	29.95	10.0	2,300	0.00	1
Wed 7, 10 PM	77.0	76.0	97	0	-	-	29.97	10.0	1,800	0.00	1
Wed 7, 9 PM	77.0	75.0	94	3	-	340	29.97	10.0	2,300	0.00	1
Wed 7, 8 PM	76.0	75.0	97	6	-	310	29.94	10.0	-	0.00	1
Wed 7, 6 PM	78.0	75.3	92	8	24	240	29.92	2.5	900	0.07	3
Wed 7, 5 PM	82.0	76.0	82	6	-	200	29.92	10.0	3,400	0.00	1
Wed 7, 4 PM	82.0	77.0	85	5	-	150	29.91	10.0	3,100	0.01	1
Wed 7, 3 PM	85.5	76.5	75	8	-	140	29.90	10.0	2,500	0.00	2
Wed 7, 2 PM	86.0	76.0	72	8	-	140	29.90	10.0	2,500	0.00	1
Wed 7, 12 PM	86.0	76.0	72	8	-	190	29.93	10.0	2,700	0.00	1
Wed 7, 11 AM	85.0	77.0	77	8	-	150	29.96	10.0	7,500	0.00	1
Wed 7, 10 AM	84.5	76.5	77	12	22	130	29.97	10.0	2,400	trace	2
Wed 7, 9 AM	84.0	77.0	80	15	20	120	29.96	10.0	1,600	0.00	1
Wed 7, 8 AM	82.0	77.0	85	6	-	170	29.96	1.5	1,800	0.06	4
Wed 7, 7 AM	80.0	75.5	86	7	-	120	29.95	2.0	1,700	0.02	2
Wed 7, 6 AM	77.0	76.0	97	0	-	-	29.93	10.0	6,500	0.00	1
Wed 7, 4 AM	78.0	75.0	91	0	-	-	29.89	10.0	7,000	0.00	1
Wed 7, 3 AM	77.3	74.0	90	7	21	130	29.90	8.0	1,700	0.01	3
Wed 7, 2 AM	78.0	75.0	91	6	-	140	29.91	10.0	2,800	0.03	1
Wed 7, 1 AM	80.0	76.0	88	9	-	120	29.91	10.0	1,900	0.00	1
Wed 7, 12 AM	80.0	75.0	85	7	-	150	29.93	10.0	7,500	0.00	1
Tue 6, 11 PM	80.0	76.0	88	12	-	150	29.94	10.0	1,900	0.00	1
Tue 6, 10 PM	80.0	76.0	88	7	-	140	29.95	10.0	2,000	0.00	1
Tue 6, 9 PM	78.0	75.0	91	0	-	-	29.95	10.0	-	0.00	1
Tue 6, 8 PM	79.2	75.8	89	9	20	110	29.95	10.0	700	0.16	5
Tue 6, 7 PM	80.0	75.7	87	17	28	90	29.93	1.0	1,100	0.36	3
Tue 6, 6 PM	82.0	75.0	79	7	-	140	29.91	10.0	2,200	0.00	1
Tue 6, 5 PM	83.0	76.0	80	9	-	140	29.90	10.0	2,700	0.00	1
Tue 6, 4 PM	85.0	77.0	77	13	21	120	29.88	10.0	2,300	0.00	1
Tue 6, 3 PM	87.3	77.0	72	13	-	100	29.87	10.0	2,400	0.00	3
Tue 6, 2 PM	85.5	77.5	77	10	-	30	29.88	10.0	2,400	0.00	2
Tue 6, 1 PM	87.0	77.0	72	9	-	60	29.90	10.0	-	0.00	1
Tue 6, 12 PM	87.0	76.0	70	9	-	40	29.92	10.0	-	0.00	1
Tue 6, 11 AM	88.0	76.0	68	12	-	80	29.94	10.0	-	0.00	1
Tue 6, 10 AM	88.0	76.0	68	13	-	90	29.97	10.0	-	0.00	1
Tue 6, 9 AM	87.0	76.0	70	12	-	70	29.97	10.0	2,600	0.00	1
Tue 6, 8 AM	86.0	77.0	75	7	-	70	29.96	10.0	-	0.00	1
Tue 6, 7 AM	84.0	76.0	77	9	-	70	29.94	10.0	-	0.00	1
Tue 6, 6 AM	82.0	76.0	82	6	-	60	29.93	10.0	2,600	0.00	1
Tue 6, 5 AM	81.0	76.0	85	5	-	80	29.91	10.0	2,600	0.00	1
Tue 6, 4 AM	79.5	75.5	88	4	-	90	29.91	10.0	2,300	0.02	2
Tue 6, 3 AM	82.0	75.0	79	6	-	80	29.90	10.0	2,400	0.00	1
Tue 6, 2 AM	81.0	76.0	85	6	-	80	29.91	10.0	2,400	0.00	1
Tue 6, 1 AM	81.0	76.0	85	6	-	90	29.92	10.0	2,600	0.00	1
Tue 6, 12 AM	78.3	75.7	92	3	-	80	29.94	1.5	1,700	0.14	3
Mon 5, 11 PM	76.0	74.0	94	3	-	330	29.95	10.0	2,700	trace	1
Mon 5, 10 PM	77.0	71.0	82	3	32	350	29.98	9.0	2,700	0.05	1
Mon 5, 9 PM	83.0	76.0	80	5	-	110	29.99	10.0	2,600	0.00	1
Mon 5, 8 PM	83.0	76.0	80	7	-	110	29.98	10.0	2,400	0.00	1
Mon 5, 7 PM	83.0	77.0	82	6	-	120	29.97	10.0	2,100	0.00	1
Mon 5, 6 PM	83.0	77.0	82	8	-	110	29.94	10.0	-	0.00	1
Mon 5, 5 PM	82.0	77.0	85	5	-	-	29.92	10.0	-	0.00	1
Mon 5, 4 PM	83.0	76.0	80	0	-	-	29.92	10.0	-	0.00	1
Mon 5, 3 PM	81.0	76.7	87	5	-	210	29.92	10.0	2,100	trace	3
Mon 5, 2 PM	81.8	76.3	84	7	18	300	29.93	2.0	2,100	0.04	4
Mon 5, 1 PM	87.0	77.0	72	12	-	120	29.93	10.0	3,400	0.00	1
Mon 5, 10 AM	87.5	77.0	71	12	-	100	30.01	10.0	2,500	0.00	2
Mon 5, 9 AM	86.0	77.5	76	9	-	110	30.01	10.0	2,100	0.00	2
Mon 5, 8 AM	85.0	77.0	77	8	-	140	30.00	10.0	2,100	0.00	1
Mon 5, 7 AM	84.0	78.0	82	6	-	140	29.99	10.0	-	0.00	1
Mon 5, 5 AM	76.0	75.0	97	0	-	-	29.95	10.0	1,100	0.00	1
Mon 5, 4 AM	76.0	75.0	97	0	-	-	29.95	10.0	-	0.00	1
Mon 5, 3 AM	77.0	75.0	94	0	-	-	29.95	10.0	2,000	0.00	1
Mon 5, 2 AM	77.0	75.0	94	3	-	310	29.96	10.0	-	0.00	1
Mon 5, 1 AM	77.0	76.0	97	0	-	-	29.97	10.0	-	0.00	1
Mon 5, 12 AM	78.0	76.0	94	6	-	230	30.00	10.0	2,100	0.02	2
Sun 4, 11 PM	77.0	76.0	97	0	-	-	30.01	10.0	2,300	0.00	1
Sun 4, 10 PM	78.0	74.3	89	4	21	310	30.02	0.8	1,900	0.32	4
Sun 4, 9 PM	78.2	73.7	86	6	23	300	30.02	1.0	1,800	0.50	6
Sun 4, 8 PM	77.0	75.0	94	7	-	130	30.03	8.0	1,700	0.00	1
Sun 4, 7 PM	77.0	75.0	94	5	-	310	30.00	10.0	-	0.00	1
Sun 4, 6 PM	77.0	76.0	97	3	-	350	30.00	10.0	-	0.00	1
Sun 4, 5 PM	77.0	76.0	97	3	-	360	29.98	10.0	2,800	0.03	1
Sun 4, 4 PM	76.4	74.0	92	5	-	330	29.98	0.3	1,800	0.67	5
Sun 4, 3 PM	76.6	74.6	94	7	-	70	29.99	0.8	1,200	0.37	5
Sun 4, 2 PM	77.9	74.5	89	10	23	350	29.98	0.3	900	0.66	8
Sun 4, 1 PM	85.0	75.0	72	7	-	120	29.97	10.0	2,700	0.00	1
Sun 4, 12 PM	87.5	75.5	68	10	-	70	29.99	10.0	2,700	0.00	2
Sun 4, 10 AM	87.0	75.0	68	13	-	110	30.03	10.0	2,900	0.00	1
Sun 4, 9 AM	86.0	74.0	68	8	-	90	30.04	10.0	-	0.00	1
Sun 4, 8 AM	86.0	76.0	72	6	-	110	30.04	10.0	7,500	0.00	1
Sun 4, 7 AM	85.0	75.0	72	7	-	130	30.02	10.0	5,000	0.00	1
Sun 4, 6 AM	77.0	74.0	90	3	-	280	29.99	10.0	2,500	0.00	1
Sun 4, 5 AM	77.0	73.0	88	0	-	-	29.98	10.0	2,400	0.03	1
Sun 4, 4 AM	76.0	74.0	94	0	-	-	29.97	10.0	-	0.00	1
Sun 4, 3 AM	76.0	74.0	94	0	-	-	29.96	10.0	2,700	0.00	1

The readings these charts were drawn from, as a table

Day	High F	Low F	Highest dew point F	Lowest dew point F	Highest humidity %	Lowest humidity %	Average wind mph	Strongest gust mph	Precipitation in
Oct 11	81.0	81.0	75.0	75.0	82	82	-	-	-
Oct 10	88.0	77.0	76.0	74.0	94	68	7	33	0.07
Oct 9	88.0	79.0	77.0	74.0	85	66	10	28	0.03
Oct 8	88.0	79.0	78.0	75.0	94	68	10	21	-
Oct 7	86.0	76.0	78.0	73.0	97	72	6	24	0.20
Oct 6	88.0	77.0	78.0	75.0	94	68	8	28	0.68
Oct 5	88.0	76.0	78.0	71.0	97	70	6	32	0.11
Oct 4	88.0	76.0	76.0	73.0	97	68	5	23	2.58
Oct 3	88.0	77.0	76.0	73.0	90	65	6	-	0.09
Oct 2	88.0	76.0	77.0	73.0	97	68	8	28	0.36
Oct 1	90.0	76.0	77.0	72.0	97	62	10	35	0.35
Sep 30	89.0	79.0	77.0	74.0	88	61	9	25	0.05
Sep 29	90.0	78.0	78.0	74.0	91	64	9	28	0.21
Sep 28	91.0	77.0	77.0	74.0	97	58	6	-	-
Sep 27	90.0	78.0	78.0	75.0	94	64	4	21	0.73
Sep 26	90.0	77.0	76.0	74.0	91	64	6	18	-
Sep 25	90.0	77.0	76.0	70.0	94	52	6	-	-
Sep 24	90.0	77.0	78.0	75.0	94	64	6	20	0.30
Sep 23	91.0	78.0	77.0	74.0	91	60	7	21	-
Sep 22	90.0	83.0	76.0	73.0	77	60	8	-	-

Station report

Naval Station Roosevelt Roads, in 6 sheets

Drawn from its report of Oct 11, 2026, 12:53 AM local time, in the manner of the Field Book, and opened beside the plates that explain each part of it.

1The sky

Contents

Scattered at 2,200 ft; visibility 10 mi or more.

From the Field Book

FB-SKY-001, Fig. ACloud classification
The ten cloud genera by height: the etages these layers fall in.
FB-SKY-017, Fig. AStratus
A cloud with its base at 2,200 ft is in the low etage, where stratus forms.
FB-SKY-016, Fig. AStratocumulus
A cloud with its base at 2,200 ft is in the low etage, where stratocumulus forms.
FB-SKY-018, Fig. ACumulus
A cloud with its base at 2,200 ft is in the low etage, where cumulus forms.

2The air

Contents

81.0 F with a dew point of 75.0 F, 82 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,400 ft up; the lowest cloud reported is at 2,200 ft.

From the Field Book

FB-WAT-002, Fig. CHumidity variables
The same lift, worked for another air: how the humidity climbs as the air rises and cools.
FB-ENG-011, Fig. AWater vapour as a gas
How much vapour air can hold at each temperature, which sets the dew point.
FB-ENG-005, Fig. ALapse rates and stability
The dry rate the lifted air cools at, against the air around it.

3The wind

Contents

From the east northeast (70 degrees) at 12 mph: force 3, a gentle breeze on the Beaufort scale.

From the Field Book

FB-EVT-150, Fig. AHigh wind
How a high wind reaches the ground, and the strengths a warning is issued at (40 mph sustained, 58 mph gusts).
FB-ENG-008, Fig. ACoriolis as geometry
Why large scale winds turn, and blow round a low rather than into it.
FB-INS-002, Fig. AASOS
The mast the wind is measured on, 33 ft above the ground.

4The column

Contents

At 39 ft above sea level, 0 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.88 inHg and the temperature at 58.9 F; the station's altimeter setting of 30.02 inHg means its barometer reads 29.98 inHg; it reports 81.0 F, 22.1 F warmer than standard.

From the Field Book

FB-ENG-001, Fig. AAtmosphere in section
The whole standard atmosphere this station stands in, from the ground to the edge of space.
FB-ENG-003, Fig. CHydrostatic balance
Why a barometer 39 ft up reads less: it weighs only the air above it.

5The sun

Contents

On Oct 11 the noon sun stands 65 degrees above the horizon at 18.26 N, and the day is 11 h 41 min long. Level ground there takes 90 per cent of the noon sunlight a surface facing the sun would.

From the Field Book

FB-ENG-007, Fig. ARadiation budget
Where the sunlight that reaches this ground goes once it arrives.

6The instrument

Contents

An airport station, 39 ft above sea level. Its report of Oct 11, 2026, 12:53 AM local time is written on the sensors that made it.

From the Field Book

FB-INS-002, Fig. AASOS
The airport station in full: every sensor, and how long each reading is averaged.
FB-INS-001, Fig. AWhat an instrument is
A surface station taken apart: what each of these sensors is.
FB-INS-009, Fig. AStevenson screen and siting
Why the thermometer sits in a shield 5 ft over grass.

The instrumentWhat an instrument is FB-INS-001 ASOS FB-INS-002 Personal weather station FB-INS-003 Stevenson screen and siting FB-INS-009

What it seesAtmosphere in section FB-ENG-001 Hydrostatic balance FB-ENG-003 Lapse rates and stability FB-ENG-005 Radiation budget FB-ENG-007 Coriolis as geometry FB-ENG-008 Water vapour as a gas FB-ENG-011 Thunderstorm FB-EVT-001 Supercell FB-EVT-007 Tornado FB-EVT-009 Hurricane FB-EVT-043 Nor'easter FB-EVT-066 Blizzard FB-EVT-081 Ice storm FB-EVT-084 Coastal flood FB-EVT-105 Heat wave and heat dome FB-EVT-130 Fire weather FB-EVT-139 High wind FB-EVT-150 Cloud classification FB-SKY-001 Cirrus FB-SKY-010 Cirrocumulus FB-SKY-011 Cirrostratus FB-SKY-012 Altocumulus FB-SKY-013 Altostratus FB-SKY-014 Nimbostratus FB-SKY-015 Stratocumulus FB-SKY-016 Stratus FB-SKY-017 Cumulus FB-SKY-018 Cumulonimbus FB-SKY-019 Species atlas FB-SKY-030 Varieties atlas FB-SKY-031 Supplementary features atlas FB-SKY-032 Accessory clouds FB-SKY-033 Special clouds FB-SKY-034 Orographic clouds FB-SKY-035 Wall cloud FB-SKY-040 Cumulonimbus architecture FB-SKY-041 Humidity variables FB-WAT-002 Fog types FB-WAT-020

Naval Station Roosevelt Roads

Weather instrument stations by state

At an airfield

What the snow tracker reads here

Every instrument in this state

Naval Station Roosevelt Roads Report

The forecast here, October 9, 2026

Naval Station Roosevelt Roads, in 6 sheets

1The sky

From the Field Book

2The air

From the Field Book

3The wind

From the Field Book

4The column

From the Field Book

5The sun

From the Field Book

6The instrument

From the Field Book

Nearby

Near Naval Station Roosevelt Roads

Weather instruments