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Cotulla-La Salle County Airport, Texas

Small airport in La Salle County, Texas

Air quality

The air at Cotulla-La Salle County Airport

Index 38, good, led by fine particles. Read at 10 PM from its reporting area, Laredo (TX), 68 miles off.

38Good
  • Fine particles (PM2.5)38Good-
  • Ozone31Good-

The days ahead

Highest moderate, Sun Oct 18, led by fine particles. Yesterday measured 51, moderate.

Smoke, the next 45 hours

Little smoke near the ground through Sat 7 PM: the index from smoke stays at 6 or under.

FriSat

Precipitation

What has fallen at Cotulla-La Salle County Airport

None in the last 3 days, to Thu 10 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.00in

Visibility

How far you can see at Cotulla-La Salle County Airport, the next 45 hours

Visibility stays 10 miles or more through Sat 7 PM.

FriSat

Airfield

Code
COT
ICAO
KCOT
IATA
COT
Field elevation
474 ft
Serves
Cotulla
Kind
Small airport
Scheduled service
No
Its own instrument
COT
Wind now
From 120° at 12 mph, read 15 Oct, 21:53

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
13 / 316,005 ft75 ftAsphalt135° / 315°12 mph head, on 133 mph from the left
13311,000 ftN120° 12 mph
Runways from their surveyed ends, north up, lengths and positions to scale; the rose in the corner is the wind now.

Measured here

What the airfield's own instrument measured, the last 24 hours

Every hour from Cotulla Municipal (COT), Cotulla-La Salle County Airport's own instrument, measure by measure, on the field's own clock.

Temperature

78 F at 10 PM; 93 F at its warmest, 4 PM, and 76 F at its coolest, 7 AM.

Now
78F
10 PM
Highest
93F
4 PM
Lowest
76F
7 AM
Temperature and Dew point at Cotulla Municipal, temperature from 76.0 to 93.0, the latest 78.0; dew point from 57.0 to 74.0, the latest 64.0, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF5060708090100Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMTEMPERATUREDEW POINT

How it is measured: Stevenson screen and siting, Field Book FB-INS-009

Humidity and dew point

A dew point of 64 F, the air 62% saturated; the humidity ran from 30% at 4 PM to 86% at 7 AM.

Dew point now
64F
10 PM
Humidity now
62%
Humidity, range
30 to 86%
Relative humidity at Cotulla Municipal, relative humidity from 30 to 86, the latest 62, in per cent.RELATIVE HUMIDITY%20406080100Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

How it is measured: Humidity variables, Field Book FB-WAT-002

Wind

10 mph from the east southeast at 10 PM; at its strongest 18 mph, 12 AM, with a gust of 28 mph at 12 AM.

Now
10mph
from the east southeast
Strongest
18mph
12 AM
Highest gust
28mph
12 AM
Wind and Gust at Cotulla Municipal, wind from 8 to 18, the latest 10; gust from 16 to 28, the latest 18, in miles an hour.WIND AND GUSTmph51015202530Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMWINDGUST
Wind direction at Cotulla Municipal, wind direction from 110 to 160, the latest 120, in degrees.WIND DIRECTION°090180270360Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

How it is measured: Coriolis as geometry, Field Book FB-ENG-008

Pressure

30.00 inHg at 10 PM, rising 0.07 inHg over 3 hours; 0.06 inHg higher than a day before.

Now
30.00inHg
10 PM
3 hours
+0.07inHg
rising
24 hours
+0.06inHg
Pressure, altimeter at Cotulla Municipal, pressure, altimeter from 29.89 to 30.02, the latest 30.00, in inches of mercury.PRESSURE, ALTIMETERinHg29.8529.9029.9530.0030.05Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

How it is measured: Hydrostatic balance, Field Book FB-ENG-003

Visibility

10 miles or more every hour.

Now
10+mi
Lowest
10+mi
Hours under a mile
0
Visibility at Cotulla Municipal, visibility from 10.0 to 10.0, the latest 10.0, in miles.VISIBILITYmi02.557.510Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMLIFRIFRMVFRVFR

How it is measured: Fog types, Field Book FB-WAT-020

Cloud base

The lowest cloud base came down to 1,700 ft at 4 AM; a base was reported in 16 of the hours.

Lowest base now
-
Lowest in 24 hours
1,700ft
4 AM
Hours with a base reported
16
Lowest cloud base at Cotulla Municipal, lowest cloud base from 1,700 to 6,000, the latest 6,000, in feet.LOWEST CLOUD BASEft02,0004,0006,000Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMMVFRVFR

How it is measured: Cloud classification, Field Book FB-SKY-001

Precipitation

None measured in the gauge in the last 24 hours.

Last 24 hours
0.00in
Wettest hour
-
Hours with some
0

How it is measured: ASOS, Field Book FB-INS-002

Cotulla Municipal: every reading, the last 7 days, 30 days and the year, and how well it reports

What is measuring near here

The 4 instruments nearest Cotulla-La Salle County Airport, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.1 miles away.

measured now2 instruments

Cotulla MunicipalCOT

At an airfield/0.1 mi away/472 ft/2 ft below here

temp, wind, gust, visibility, precip, pressure

Pearsall RAWSPSAT2

A remote fire weather station/30.3 mi away/596 ft/122 ft above here

temp, wind, gust, humidity, pressure

measured daily2 instruments

Cotulla 1.6 NETX-LS-5

In a volunteer observer's own ground/0.3 mi away/469 ft/5 ft below here

precip, snowfall, snow depth

Los AngelesLANT2

At a cooperative observer's station/9.4 mi away/427 ft/47 ft below here

snowfall, snow depth, precip, high, low

-

Snow on the ground

Elsewhere in Texas

20 places, each with its own forecast and its own instruments.

Near Cotulla-La Salle County Airport

The nearest places, each with its own forecast and the instruments nearest it.

Near Cotulla-La Salle County Airport