Alert archive / Texas / High Wind Warnings in 2007

High Wind Warning 4, NWS Amarillo, TX

June 20, 2007Potter County, Randall County, Texas

NWS Amarillo, TX issued this high wind warning at Jun 20, 2007, 1:16 AM CDT for Potter County, Randall County, Texas. It was in force for 73 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 20, 2007, 1:16 AM CDT (06:16 UTC)
Expired
Jun 20, 2007, 2:29 AM CDT
In force
73 min
Issued by
NWS Amarillo, TX

Counties Potter County, TX, Randall County, TX

The radar

The Amarillo radar (KAMA), 18 km from the middle of the area, began a volume at 06:16 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 6.3 hours before the alert went out and 18 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Amarillo Airport, TX at 00:00Z on 2007-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3305 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Amarillo Airport, TX at 00:00Z on 2007-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
3305 J/kg
Mixed-layer CIN
-26 J/kg
Mixed-layer LCL
1823 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
83 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WWUS74 KAMA 200616
NPWAMA

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE AMARILLO TX
116 AM CDT WED JUN 20 2007

...STRONG WINDS IN THE TEXAS PANHANDLE...

.STRONG WINDS WILL CONTINUE ACROSS THE SOUTHERN TEXAS PANHANDLE FOR
THE NEXT SEVERAL HOURS.

TXZ013-018-019-200730-
/O.EXP.KAMA.HW.W.0003.000000T0000Z-070620T0600Z/
CARSON-ARMSTRONG-DONLEY-
INCLUDING THE CITIES OF...PANHANDLE...WHITE DEER...CLAUDE...
CLARENDON
116 AM CDT WED JUN 20 2007

...HIGH WIND WARNING HAS EXPIRED...

THE HIGH WIND WARNING IS NO LONGER IN EFFECT. 

$$

TXZ012-017-200800-
/O.NEW.KAMA.HW.W.0004.070620T0616Z-070620T0800Z/
POTTER-RANDALL-
INCLUDING THE CITIES OF...AMARILLO...CANYON
116 AM CDT WED JUN 20 2007

...HIGH WIND WARNING IN EFFECT UNTIL 3 AM CDT EARLY THIS
MORNING...

THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A HIGH WIND
WARNING FOR POTTER AND RANDALL COUNTIES...WHICH IS IN EFFECT UNTIL 3
AM CDT EARLY THIS MORNING.

STRONG SOUTHEAST WINDS OF 40 MPH WITH GUSTS NEAR 60 MPH WILL AFFECT
POTTERN AND RANDALL COUNTIES THROUGH 3 AM. THESE STRONG WINDS WILL
AFFECT THE CITIES OF AMARILLO AND CANYON.

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

$$

JOHNSON
1 follow-up statement
000 
WWUS74 KAMA 200729
NPWAMA

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE AMARILLO TX
229 AM CDT WED JUN 20 2007

TXZ012-017-200830-
/O.CAN.KAMA.HW.W.0004.000000T0000Z-070620T0800Z/
POTTER-RANDALL-
INCLUDING THE CITIES OF...AMARILLO...CANYON
229 AM CDT WED JUN 20 2007

...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN AMARILLO HAS CANCELLED THE HIGH
WIND WARNING FOR POTTER AND RANDALL COUNTIES. 

WIND SPEEDS HAVE DECREASED ACROSS THE WARNING AREA AND ARE NOT
EXPECTED TO GUST ABOVE 58 MPH. HOWEVER...WIND GUSTS OF 40 TO 45 MPH
ARE STILL POSSIBLE THROUGH 3 AM.

$$

JOHNSON

The office that day

Everything else NWS Amarillo, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 19, 7:00 PM CDTSevere Thunderstorm WarningAMADeaf Smith75 min
Jun 19, 8:05 PM CDTSevere Thunderstorm WarningAMAPotter, Randall70 min
Jun 19, 8:29 PM CDTFlash Flood WarningAMAPotter, Randall31 min
Jun 19, 8:36 PM CDTFlash Flood WarningAMAPotter, Randall2 hr
Jun 19, 8:36 PM CDTSevere Thunderstorm WarningAMADeaf Smith54 min
Jun 19, 9:10 PM CDTSevere Thunderstorm WarningAMACarson40 min
Jun 19, 9:53 PM CDTSevere Thunderstorm WarningAMALipscomb88 min
Jun 19, 10:11 PM CDTSevere Thunderstorm WarningAMAOchiltree64 min
Jun 19, 10:28 PM CDTFlash Flood WarningAMALipscomb, Ochiltree3 hr
Jun 19, 10:35 PM CDTSevere Thunderstorm WarningAMAHemphill55 min
Jun 19, 11:27 PM CDTSevere Thunderstorm WarningAMAGray, Wheeler76 min
Jun 19, 11:35 PM CDTHigh Wind WarningAMAArmstrong, Carson, Donley85 min
Jun 19, 11:40 PM CDTSevere Thunderstorm WarningAMACollingsworth95 min

Nearby

High Wind Warnings in Texas, 2007Every high wind warning in 2007

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.