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Zapata County Airport, Texas

Small airport in Zapata County, Texas

Air quality

The air at Zapata County Airport

Index 32, good, led by ozone. Read at 10 PM from its reporting area, Laredo (TX), 40 miles off.

32Good
  • Ozone32Good-

The days ahead

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

Smoke, the next 46 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 Zapata County Airport

None in the last 3 days, to Thu 9 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 Zapata County Airport, the next 46 hours

Visibility stays 8 miles or more through Sat 7 PM, lowest 9 miles Fri 7 AM.

FriSat

Airfield

Code
APY
ICAO
KAPY
IATA
-
Field elevation
422 ft
Serves
Zapata
Kind
Small airport
Scheduled service
No
Its own instrument
APY
Wind now
From 100° at 7 mph, read 15 Oct, 22:15

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
12 / 305,000 ft60 ftAsphalt130° / 310°6 mph head, on 123 mph from the left
12301,000 ftN100° 7 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 Zapata (APY), Zapata County Airport's own instrument, measure by measure, on the field's own clock.

Temperature

80 F at 10 PM; 94 F at its warmest, 4 PM, and 75 F at its coolest, 7 AM.

Now
80F
10 PM
Highest
94F
4 PM
Lowest
75F
7 AM
Temperature and Dew point at Zapata, temperature from 74.5 to 94.0, the latest 79.7; dew point from 63.6 to 73.5, the latest 66.2, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF60708090100Oct 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 66 F, the air 63% saturated; the humidity ran from 39% at 4 PM to 93% at 7 AM.

Dew point now
66F
10 PM
Humidity now
63%
Humidity, range
39 to 93%
Relative humidity at Zapata, relative humidity from 39 to 93, the latest 63, 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

7 mph from the east at 10 PM; at its strongest 12 mph, 11 PM Wednesday, with a gust of 25 mph at 11 PM Wednesday.

Now
7mph
from the east
Strongest
12mph
11 PM Wednesday
Highest gust
25mph
11 PM Wednesday
Wind and Gust at Zapata, wind from 3 to 12, the latest 7; gust from 16 to 25, the latest 17, in miles an hour.WIND AND GUSTmph0102030Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMWINDGUST
Wind direction at Zapata, wind direction from 90 to 160, the latest 100, 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

29.98 inHg at 10 PM, rising 0.06 inHg over 3 hours; 0.05 inHg higher than a day before.

Now
29.98inHg
10 PM
3 hours
+0.06inHg
rising
24 hours
+0.05inHg
Pressure, altimeter at Zapata, pressure, altimeter from 29.88 to 30.00, the latest 29.98, in inches of mercury.PRESSURE, ALTIMETERinHg29.8529.9029.9530.00Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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

Visibility

Down to 7 miles at 7 AM; 10 miles or more now.

Now
10+mi
Lowest
7mi
7 AM
Hours under a mile
0
Visibility at Zapata, visibility from 7.0 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 1,600 ft at 4 AM; a base was reported in 19 of the hours.

Lowest base now
-
Lowest in 24 hours
1,600ft
4 AM
Hours with a base reported
19
Lowest cloud base at Zapata, lowest cloud base from 1,600 to 5,500, the latest 5,500, in feet.LOWEST CLOUD BASEft1,0002,0003,0004,0005,0006,000Oct 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

Zapata: 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 Zapata County 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

ZapataAPY

At an airfield/0.0 mi away/422 ft/level with here

temp, wind, gust, visibility, precip, pressure

Falcon Lake RAWSFART2

A remote fire weather station/29.5 mi away/344 ft/78 ft below here

temp, wind, gust, humidity, pressure

measured daily2 instruments

San Ygnacio 2.3 SETX-ZP-2

In a volunteer observer's own ground/10.7 mi away/329 ft/93 ft below here

precip, snowfall, snow depth

-

Snow on the ground

Elsewhere in Texas

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

Near Zapata County Airport

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

Near Zapata County Airport