Alert archive / Texas / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 91, NWS Amarillo, TX

June 5, 2009Carson County, Potter County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Jun 5, 2009, 10:57 PM CDT for Carson County, Potter County, Texas. It was in force for 63 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 5, 2009, 10:57 PM CDT (03:57 UTC)
Expired
Jun 6, 2009, 12:00 AM CDT
In force
63 min
Issued by
NWS Amarillo, TX
Area
Storm-based polygon

Counties Carson County, TX, Potter County, TX

The radar

The Amarillo radar (KAMA), 20 km from the middle of the area, began a volume at 03:56 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 5, 4:39 PM CDTSevere Thunderstorm WatchSPC9 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 4.0 hours before the alert went out and 20 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 2009-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 479 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Amarillo Airport, TX at 00:00Z on 2009-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 square meters per square second.193958Sfc1 km3 km6 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
479 J/kg
Mixed-layer CIN
-99 J/kg
Mixed-layer LCL
2250 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
162 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Amarillo, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 5, 10:37 PM CDT, 20 minutes earlier.

Area forecast discussion, Jun 5, 10:37 PM CDT, 20 minutes before
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Hazardous weather outlook, Jun 5, 1:00 PM CDT, 9 hours 57 minutes before
TEXAS/OKLAHOMA PANHANDLES HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AMARILLO TX
100 PM CDT FRI JUN 5 2009

OKZ001>003-TXZ001>020-061100-
ARMSTRONG-BEAVER-CARSON-CIMARRON-COLLINGSWORTH-DALLAM-DEAF SMITH-
DONLEY-GRAY-HANSFORD-HARTLEY-HEMPHILL-HUTCHINSON-LIPSCOMB-MOORE-
OCHILTREE-OLDHAM-POTTER-RANDALL-ROBERTS-SHERMAN-TEXAS-WHEELER-
100 PM CDT FRI JUN 5 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE TEXAS AND OKLAHOMA
PANHANDLES.

.DAY ONE...

THERE IS A CHANCE OF THUNDERSTORMS ACROSS THE TEXAS AND OKLAHOMA
PANHANDLES THIS AFTERNOON AND EVENING. SOME OF THESE STORMS MAY
BECOME SEVERE WITH STRONG WINDS AND LARGE HAIL BEING THE MAIN
THREATS.

IN ADDITION...BREEZY SOUTHERLY WINDS OF 15 TO 25 MPH WILL BE
POSSIBLE THIS AFTERNOON AND TONIGHT. THEREFORE...BOATERS ARE URGED
TO EXERCISE CAUTION ON AREA LAKES.

.DAYS TWO THROUGH SEVEN...

FOR SATURDAY...DRY...WARM AND WINDY WEATHER COULD RESULT IN CRITICAL
FIRE CONDITIONS ACROSS MUCH OF THE PANHANDLES. THEREFORE...A FIRE
WEATHER WATCH HAS BEEN ISSUED FOR THE WESTERN AND CENTRAL PORTIONS OF
THE TEXAS AND OKLAHOMA PANHANDLES.

THUNDERSTORMS WILL AGAIN BE POSSIBLE ACROSS THE CENTRAL AND EASTERN
PANHANDLES SUNDAY NIGHT. THESE STORMS ARE NOT EXPECTED TO BE SEVERE
AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

EMERGENCY MANAGERS AND SPOTTER GROUPS ACROSS THE REGION SHOULD
MONITOR THE LATEST FORECASTS FOR POSSIBLE ACTIVATION THIS AFTERNOON
AND EVENING.

NUNEZ

In the hours before

Local storm report, Jun 5, 9:25 PM CDT, 1 hour 32 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AMARILLO TX
925 PM CDT FRI JUN 05 2009

..TIME..    ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE..    ....MAG....     ..COUNTY LOCATION.. ST.. ...SOURCE....
            ..REMARKS..

0925 PM     HAIL             2 E WHITE DEER          35.43N 101.14W
06/05/2009  E1.00 INCH       CARSON             TX   PUBLIC

0925 PM     TSTM WND GST     2 E WHITE DEER          35.43N 101.14W
06/05/2009  E65 MPH          CARSON             TX   PUBLIC

&&

EVENT NUMBER AMA01468
EVENT NUMBER AMA01469

SMB
Local storm report, Jun 5, 9:32 PM CDT, 1 hour 25 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AMARILLO TX
932 PM CDT FRI JUN 05 2009

..TIME..    ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE..    ....MAG....     ..COUNTY LOCATION.. ST.. ...SOURCE....
            ..REMARKS..

0932 PM     HAIL             4 ENE WHITE DEER        35.45N 101.11W
06/05/2009  E1.75 INCH       CARSON             TX   PUBLIC

&&

EVENT NUMBER AMA01470

SMB
Special weather statement, Jun 5, 9:58 PM CDT, 59 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
958 PM CDT FRI JUN 5 2009

TXZ018-019-060345-
ARMSTRONG TX-DONLEY TX-
958 PM CDT FRI JUN 5 2009

...STRONG THUNDERSTORM ACROSS DONLEY AND ARMSTRONG COUNTIES...

AT 956 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER GOODNIGHT...OR ABOUT 11 MILES SOUTHEAST OF
CLAUDE...MOVING EAST AT 35 MPH. PERSONS NEAR GREENBELT LAKE MAY ALSO
BE IMPACTED BY THIS STORM.

HAIL...STRONG WINDS...AND VERY HEAVY RAINFALL ARE POSSIBLE WITH THIS
STORM.

JJB
Local storm report, Jun 5, 10:19 PM CDT, 38 minutes before
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Local storm report, Jun 5, 10:30 PM CDT, 27 minutes before
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Special weather statement, Jun 5, 10:42 PM CDT, 15 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 5, 7:21 PM CDTSevere Thunderstorm WarningAMAMoore42 min
Jun 5, 7:42 PM CDTSevere Thunderstorm WarningAMAHartley, Moore, Oldham, Potter49 min
Jun 5, 7:45 PM CDTSevere Thunderstorm WarningAMACarson, Hutchinson, Potter60 min
Jun 5, 8:16 PM CDTSevere Thunderstorm WarningAMACarson, Hansford, Hutchinson, Moore, Potter, Sherman59 min
Jun 5, 8:37 PM CDTSevere Thunderstorm WarningAMACarson, Hutchinson38 min
Jun 5, 9:02 PM CDTSevere Thunderstorm WarningAMACarson, Gray, Hansford, Hutchinson, Moore, Ochiltree and 3 more58 min
Jun 5, 9:41 PM CDTTornado WarningAMACarson, Gray34 min
Jun 5, 9:47 PM CDTSevere Thunderstorm WarningAMACarson, Gray58 min
Jun 5, 10:08 PM CDTSevere Thunderstorm WarningAMAArmstrong, Carson, Donley, Gray67 min
Jun 5, 10:16 PM CDTTornado WarningAMAArmstrong, Carson, Donley, Gray29 min
Jun 5, 10:44 PM CDTSevere Thunderstorm WarningAMAGray, Wheeler42 min
Jun 5, 11:18 PM CDTSevere Thunderstorm WarningAMAHartley, Moore36 min

Nearby

Severe Thunderstorm Warnings in Texas, 2009Every severe thunderstorm warning in 2009

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.