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Killeen Regional Airport / Robert Gray Army Airfield, Texas

Medium airport in Bell County, Texas

Air quality

The air at Killeen Regional Airport / Robert Gray Army Airfield

Index 32, good, led by ozone. Read at 1 AM from its reporting area, Waco-Killeen (TX), 53 miles off.

32Good
  • Fine particles (PM2.5)30Good-
  • Ozone32Good30 ppb9 mi

The days ahead

Good each day through Sun Oct 18, led by fine particles. Yesterday measured 38, good.

Smoke, the next 42 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Killeen Regional Airport / Robert Gray Army Airfield

None in the last 3 days, to Fri 1 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 Killeen Regional Airport / Robert Gray Army Airfield, the next 42 hours

Visibility stays 3 miles or more through Sat 7 PM, lowest 3 miles Fri 5 AM.

FriSat

Airfield

Code
GRK
ICAO
KGRK
IATA
GRK
Field elevation
1,015 ft
Serves
Fort Cavazos
Kind
Medium airport
Scheduled service
Yes
Its own instrument
GRK
Wind now
From 360° at 17 mph, read 16 Oct, 01:55

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
15 / 339,997 ft200 ftAsphalt and concrete157° / 337°16 mph head, on 337 mph from the right
15332,500 ftN360° 17 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 Fort Hood/Gray AAF (GRK), Killeen Regional Airport / Robert Gray Army Airfield's own instrument, measure by measure, on the field's own clock.

Temperature

70 F at 2 AM; 89 F at its warmest, 4 PM Thursday, and 70 F at its coolest, 2 AM.

Now
70F
2 AM
Highest
89F
4 PM Thursday
Lowest
70F
2 AM
Temperature and Dew point at Fort Hood/Gray AAF, temperature from 69.8 to 89.2, the latest 69.8; dew point from 59.7 to 72.0, the latest 64.4, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF50607080903 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16TEMPERATUREDEW 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 83% saturated; the humidity ran from 39% at 5 PM Thursday to 94% at 7 AM Thursday.

Dew point now
64F
2 AM
Humidity now
83%
Humidity, range
39 to 94%
Relative humidity at Fort Hood/Gray AAF, relative humidity from 39 to 94, the latest 83, in per cent.RELATIVE HUMIDITY%204060801003 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16

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

Wind

20 mph from the north at 2 AM; at its strongest 20 mph, 2 AM, with a gust of 28 mph at 1 AM.

Now
20mph
from the north
Strongest
20mph
2 AM
Highest gust
28mph
1 AM
Wind and Gust at Fort Hood/Gray AAF, wind from 0 to 20, the latest 20; gust from 21 to 28, the latest 28, in miles an hour.WIND AND GUSTmph01020303 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16WINDGUST
Wind direction at Fort Hood/Gray AAF, wind direction from 20 to 360, the latest 360, in degrees.WIND DIRECTION°0901802703603 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16

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

Pressure

30.17 inHg at 2 AM, rising 0.06 inHg over 3 hours; 0.19 inHg higher than a day before.

Now
30.17inHg
2 AM
3 hours
+0.06inHg
rising
24 hours
+0.19inHg
Pressure, altimeter at Fort Hood/Gray AAF, pressure, altimeter from 29.95 to 30.17, the latest 30.17, in inches of mercury.PRESSURE, ALTIMETERinHg29.9030.0030.1030.203 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16

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

Visibility

Down to 8 miles at 7 AM Thursday; 10 miles or more now.

Now
10+mi
Lowest
8mi
7 AM Thursday
Hours under a mile
0
Visibility at Fort Hood/Gray AAF, visibility from 8.0 to 10.0, the latest 10.0, in miles.VISIBILITYmi02.557.5103 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16LIFRIFRMVFRVFR

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

Cloud base

The lowest cloud base came down to 700 ft at 9 AM Thursday; a base was reported in 17 of the hours.

Lowest base now
1,400ft
Lowest in 24 hours
700ft
9 AM Thursday
Hours with a base reported
17
Lowest cloud base at Fort Hood/Gray AAF, lowest cloud base from 700 to 11,000, the latest 1,400, in feet.LOWEST CLOUD BASEft05,00010,00015,0003 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16MVFRVFR

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

Fort Hood/Gray AAF: 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 Killeen Regional Airport / Robert Gray Army Airfield, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.2 miles away.

measured now2 instruments

Fort Hood/Gray AAFGRK

At an airfield/0.2 mi away/1,014 ft/1 ft below here

temp, wind, gust, visibility, precip, pressure

Austin 33 NW23907

At a climate reference station/34.3 mi away/1,361 ft/346 ft above here

temp, humidity, wind, solar, precip

measured daily2 instruments

Killeen 4.4 SWTX-BEL-117

In a volunteer observer's own ground/3.0 mi away/931 ft/84 ft below here

precip, snowfall, snow depth

KilleenKIET2

At a cooperative observer's station/8.1 mi away/810 ft/205 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 Killeen Regional Airport / Robert Gray Army Airfield

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

Near Killeen Regional Airport / Robert Gray Army Airfield