Temperature
47 F at 4 AM; 74 F at its warmest, 12 PM Thursday, and 47 F at its coolest, 4 AM.
- Now
- 47F
- 4 AM
- Highest
- 74F
- 12 PM Thursday
- Lowest
- 47F
- 4 AM
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Alert. A Wind Advisory is in force for Alpine Casparis Municipal Airport until 7 PM today. Read the alert in full, and see what it means in the Field Book.
Now. Alpine Casparis Municipal Airport is 48° and light rain at 4 AM. With the wind it feels like 42°. The dew point is 47°, so the air feels dry and comfortable. Moderate breeze from the north-northeast at 19 mph.
Today and tonight. It warms to about 53° by 5 PM. Tonight falls to about 39° by 7 AM, with some cloud. No rain is expected for the rest of the day.
The week. The warmest day ahead is Thursday, near 81°, and the coolest tomorrow, near 55°. The days ahead look dry.
The sky tonight. The sun sets at 7:23 PM. The Moon is a waxing crescent, 34% lit, and sets at 11:44 PM. The next full Moon is Sunday, Oct 25. After dark, look for Saturn, bright in the east-southeast. A planet shines with a steady light where the stars around it twinkle. The Orionids meteor shower is active, peaking around Oct 21: at its peak, up to about 20 meteors an hour can be seen from a dark site. The sky is forecast to stay clear: a good night to look up. The day is 11 hours 27 minutes long, 2 minutes shorter than yesterday.
As of 4:00 AM in Alpine Casparis Municipal Airport, Texas.
Precipitation
0.02 in in the last 24 hours, 0.74 in over the last 3 days, to Fri 3 AM. Measured by radar and rain gauges, as water.
Visibility
Visibility stays 9 miles or more through Sun 1 AM, lowest 10 miles Sat 9 AM.
F
Now, today, and the week
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 01 / 19 | 6,002 ft | 75 ft | Asphalt | 24° / 204° | 16 mph head, on 01 | 4 mph from the left |
| 05 / 23 | 5,018 ft | 60 ft | Asphalt | 62° / 242° | 10 mph head, on 05 | 13 mph from the left |
Measured here
Every hour from Alpine (E38), Alpine Casparis Municipal Airport's own instrument, measure by measure, on the field's own clock.
47 F at 4 AM; 74 F at its warmest, 12 PM Thursday, and 47 F at its coolest, 4 AM.
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
A dew point of 47 F, the air 98% saturated; the humidity ran from 35% at 6 PM Thursday to 98% at 4 AM.
How it is measured: Humidity variables, Field Book FB-WAT-002
16 mph from the north at 4 AM; at its strongest 24 mph, 1 AM, with a gust of 36 mph at 1 AM.
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
30.56 inHg at 4 AM, rising 0.07 inHg over 3 hours; 0.44 inHg higher than a day before.
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Down to 4 miles at 4 AM; 4 miles now.
How it is measured: Fog types, Field Book FB-WAT-020
The lowest cloud base came down to 1,300 ft at 10 PM Thursday; a base was reported in 16 of the hours.
How it is measured: Cloud classification, Field Book FB-SKY-001
0.16 in measured in the gauge, the most, 0.09 in, in the hour to 4 AM.
How it is measured: ASOS, Field Book FB-INS-002
Alpine: every reading, the last 7 days, 30 days and the year, and how well it reports
The 4 instruments nearest Alpine Casparis Municipal Airport, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.0 miles away.
measured now2 instruments
AlpineE38
At an airfield/0.0 mi away/4,514 ft/1 ft below here
temp, wind, gust, visibility, precip, pressure
Fort DavisFDST2
At a river or reservoir gauge/19.2 mi away/4,843 ft/328 ft above here
temp, wind, gust, humidity, pressure
measured daily2 instruments
Alpine 0.7 WSWTX-BRS-21
In a volunteer observer's own ground/1.7 mi away/4,510 ft/5 ft below here
precip, snowfall, snow depth
Alpine 7WNWASGT2
At a cooperative observer's station/5.8 mi away/4,993 ft/478 ft above here
snowfall, snow depth, precip, high, low
-
Snow on the ground
20 places, each with its own forecast and its own instruments.
The nearest places, each with its own forecast and the instruments nearest it.