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Randolph Air Force Base Auxiliary Airport, Texas

Small airport in Guadalupe County, Texas

Air quality

The air at Randolph Air Force Base Auxiliary Airport

Index 34, good, led by fine particles. Read at 3 AM from its reporting area, San Antonio (TX), 36 miles off.

34Good
  • Fine particles (PM2.5)34Good-
  • Ozone31Good-
  • Coarse particles (PM10)17Good-

The days ahead

Good each day through Sun Oct 18, led by ozone. Yesterday measured 47, good.

Smoke, the next 40 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 Randolph Air Force Base Auxiliary Airport

None in the last 3 days, to Fri 3 AM. 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 Randolph Air Force Base Auxiliary Airport, the next 40 hours

Visibility stays 9 miles or more through Sat 7 PM, lowest 10 miles Fri 9 AM.

FriSat

Airfield

Code
SEQ
ICAO
KSEQ
IATA
-
Field elevation
525 ft
Serves
Seguin
Kind
Small airport
Scheduled service
No
Its own instrument
SEQ
Wind now
From 10° at 14 mph, read 16 Oct, 03:55

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
13 / 31 unlit8,350 ft150 ftAsphalt132° / 312°7 mph head, on 3112 mph from the right
13312,500 ftN10° 14 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 Seguin Randolph AFB (SEQ), Randolph Air Force Base Auxiliary Airport's own instrument, measure by measure, on the field's own clock.

Temperature

75 F at 3 AM; 95 F at its warmest, 3 PM Thursday, and 70 F at its coolest, 1 AM.

Now
75F
3 AM
Highest
95F
3 PM Thursday
Lowest
70F
1 AM
Temperature and Dew point at Seguin Randolph AFB, temperature from 70.0 to 94.5, the latest 74.7; dew point from 62.8 to 73.0, the latest 66.0, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF607080901006 AM9 AM12 PM3 PM6 PM9 PMOct 163 AMTEMPERATUREDEW 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 74% saturated; the humidity ran from 36% at 3 PM Thursday to 94% at 8 AM Thursday.

Dew point now
66F
3 AM
Humidity now
74%
Humidity, range
36 to 94%
Relative humidity at Seguin Randolph AFB, relative humidity from 36 to 94, the latest 74, in per cent.RELATIVE HUMIDITY%204060801006 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM

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

Wind

14 mph from the north at 3 AM; at its strongest 14 mph, 3 AM, with a gust of 20 mph at 3 AM.

Now
14mph
from the north
Strongest
14mph
3 AM
Highest gust
20mph
3 AM
Wind at Seguin Randolph AFB, wind from 0 to 14, the latest 14, in miles an hour.WINDmph0510156 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM
Wind direction at Seguin Randolph AFB, wind direction from 10 to 360, the latest 10, in degrees.WIND DIRECTION°0901802703606 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM

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

Pressure

30.07 inHg at 3 AM, rising 0.04 inHg over 3 hours; 0.13 inHg higher than a day before.

Now
30.07inHg
3 AM
3 hours
+0.04inHg
rising
24 hours
+0.13inHg
Pressure, altimeter at Seguin Randolph AFB, pressure, altimeter from 29.88 to 30.07, the latest 30.07, in inches of mercury.PRESSURE, ALTIMETERinHg29.8529.9029.9530.0030.0530.106 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM

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 Seguin Randolph AFB, visibility from 10.0 to 10.0, the latest 10.0, in miles.VISIBILITYmi02.557.5106 AM9 AM12 PM3 PM6 PM9 PMOct 163 AMLIFRIFRMVFRVFR

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

Cloud base

The lowest cloud base came down to 2,400 ft at 5 AM Thursday; a base was reported in 11 of the hours.

Lowest base now
-
Lowest in 24 hours
2,400ft
5 AM Thursday
Hours with a base reported
11
Lowest cloud base at Seguin Randolph AFB, lowest cloud base from 2,400 to 19,000, the latest 3,000, in feet.LOWEST CLOUD BASEft05,00010,00015,00020,0006 AM9 AM12 PM3 PM6 PM9 PMOct 163 AMMVFRVFR

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

Seguin Randolph AFB: 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 Randolph Air Force Base Auxiliary Airport, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.4 miles away.

measured now2 instruments

Seguin Randolph AFBSEQ

At an airfield/0.4 mi away/530 ft/5 ft above here

temp, wind, gust, visibility, precip, pressure

Belmont - Neasloney WMANWMT2

At a river or reservoir gauge/13.1 mi away/438 ft/87 ft below here

temp, wind, gust, humidity, pressure

measured daily2 instruments

Seguin 2.6 ESETX-GP-108

In a volunteer observer's own ground/1.5 mi away/485 ft/40 ft below here

precip, snowfall, snow depth

Guadalupe River 1 SSW SeguinSEGT2

At a cooperative observer's station/4.1 mi away/499 ft/26 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 Randolph Air Force Base Auxiliary Airport

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

Near Randolph Air Force Base Auxiliary Airport