Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 199, NWS Amarillo, TX

June 2, 2007Texas County, Oklahoma

NWS Amarillo, TX issued this severe thunderstorm warning at Jun 2, 2007, 11:04 PM CDT for Texas County, Oklahoma. It was in force for 56 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 2, 2007, 11:04 PM CDT (04:04 UTC)
Expired
Jun 3, 2007, 12:00 AM CDT
In force
56 min
Issued by
NWS Amarillo, TX
Area
Counties, with a storm outline in the text

County Texas County, OK

The radar

The Amarillo radar (KAMA), 170 km from the middle of the area, began a volume at 04:05 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, 4.1 hours before the alert went out and 170 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 2007-06-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1384 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 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 2007-06-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 square meters per square second.19395878Sfc1 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
1384 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
1663 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
121 m²/s²
Significant tornado parameter
0.2
Supercell composite
4.7

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 2, 7:12 PM CDT, 3 hours 52 minutes earlier.

Area forecast discussion, Jun 2, 7:12 PM CDT, 3 hours 52 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AMARILLO TX
712 PM CDT SAT JUN 2 2007

.AVIATION...
ISOLATED TO WIDELY SCATTERED CONVECTION WILL PUSH SOUTH ACROSS THE
DALHART AND AMARILLO TAF SITES THROUGH LATE TONIGHT. MVFR TO IFR
CEILINGS AND VISIBILITIES CAN BE EXPECTED IN AND NEAR THE
CONVECTION...WHILE VFR CONDITIONS OUTSIDE THE CONVECTION. LIGHT
NORTHEAST TO SOUTHEAST WINDS 10 KNOTS OR LESS THROUGH TONIGHT AND
SUNDAY. ANOTHER ROUND OF CONVECTION POSSIBLE ONCE AGAIN LATE SUNDAY.

SCHNEIDER

&&

.PREV DISCUSSION... /ISSUED 333 PM CDT SAT JUN 2 2007/

DISCUSSION...
THUNDERSTORM DEVELOPMENT CURRENTLY SEEN ON SAT AND RADAR IN
NORTHEASTERN NEW MEXICO SHOULD SPREAD SOUTHWARD AND PROPOGATE INTO
THE WESTERN CWA. MID AND UPPER FLOW TODAY SEEMS A BIT MORE NORTHERLY
WHICH MAY KEEP THE CONVECTION A BIT FURTHER WEST THAN WHAT WAS
NOTICED YESTERDAY. DEWPOINTS ARE ALSO A BIT LOWER THAN WHAT WAS SEEN
YESTERDAY SO INSTABILITY SHOULD BE A BIT LESS...THOUGH STILL ENOUGH
TO SEEM SOME OF THE CONVECTION TO BECOME SEVERE WITH HAIL BEING THE
PRIMARY THREAT.

TOMORROW WILL BE MUCH LIKE TODAY WITH AFTERNOON MOUNTAIN CONVECTION
MOVING INTO THE WESTERN PANHANDLES AGAIN. MONDAY NIGHT WILL SEE
CONVECTION DEVELOP ONCE AGAIN TO THE WEST...HOWEVER AN UPPER RIDGE
WILL BE IN CLOSER PROXIMITY CAUSING MORE WESTERLY MID LEVEL FLOW
SPREADING CONVECTION FURTHER EAST. BY TUESDAY THE UPPER RIDGE WILL BE
OVER THE AREA FINALLY KILLING PRECIP CHANCES THROUGH THE END OF THE
FORECAST PERIOD AND USHERING IN A PERIOD OF WARMER TEMPERATURES.
LOOKS AS THOUGH WE WILL FINALLY BREAK 90 DEGREES BY THE END OF THE
WEEK HERE IN AMA. THE FRONT THAT YESTERDAYS GFS WAS SHOWING MOVING
INTO THE AREA LATE NEXT WEEK IS NOW SHOWN BY BOTH THE GFS AND ECMWF
TO BE HOLDING UP IN KANSAS OR AT MOST THE NORTHERN CWA. AM NOW
GAINING CONFIDENCE THAT THE FRONT WILL NOT MAKE IT INTO OUR CWA
THANKS TO PROLONGED SOUTHWESTERLY FLOW AHEAD OF A DIGGING TROUGH OVER
THE INTERMOUNTAIN WEST. SOUTHWESTERLY FLOW MEANS HOT AND DRY FOR US
THIS TIME OF YEAR...THOUGH I DID ALLOW TEMPS TO FALL SLIGHTLY THANKS
TO LOWER HEIGHTS.

HENNIG

&&

.AMA WATCHES/WARNINGS/ADVISORIES...
TX...NONE.
OK...NONE.

&&

11/02
Hazardous weather outlook, Jun 2, 11:02 PM CDT, 2 minutes before
TEXAS/OKLAHOMA PANHANDLES HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE AMARILLO TX
1102 PM CDT SAT JUN 2 2007

OKZ001>003-TXZ001>020-031100-
ARMSTRONG-BEAVER-CARSON-CIMARRON-COLLINGSWORTH-DALLAM-DEAF SMITH-
DONLEY-GRAY-HANSFORD-HARTLEY-HEMPHILL-HUTCHINSON-LIPSCOMB-MOORE-
OCHILTREE-OLDHAM-POTTER-RANDALL-ROBERTS-SHERMAN-TEXAS-WHEELER-
1102 PM CDT SAT JUN 2 2007

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

.DAY ONE...

SCATTERED TO NUMEROUS THUNDERSTORMS ARE EXPECTED ACROSS MOST OF THE
TEXAS AND OKLAHOMA PANHANDLES THE REST OF TONIGHT. ISOLATED STORMS
MAY REACH SEVERE LEVELS...WITH LARGE HAIL...DAMAGING WINDS...AND
LOCALLY HEAVY RAINS THE PRIMARY THREATS.

.DAYS TWO THROUGH SEVEN...

THUNDERSTORMS WILL BE POSSIBLE ACROSS THE TEXAS AND OKLAHOMA
PANHANDLES THROUGH MONDAY NIGHT. SOME STORMS MAY BECOME SEVERE ON
SUNDAY DURING THE AFTERNOON AND EVENING HOURS...WITH THE MAIN THREATS
BEING LARGE HAIL AND DAMAGING WINDS. ALSO...THE THREAT OF LOCALLY
HEAVY RAINFALL WILL CONTINUE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER GROUPS AND EMERGENCY MANAGERS ACROSS THE OKLAHOMA AND
TEXAS PANHANDLES SHOULD REMAIN ALERT AND BE READY FOR POSSIBLE
LIMITED ACTIVATION THE REST OF TONIGHT.

ANDRADE

In the hours before

Local storm report, Jun 2, 8:47 PM CDT, 2 hours 17 minutes before
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Local storm report, Jun 2, 9:00 PM CDT, 2 hours 4 minutes before
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Special weather statement, Jun 2, 9:12 PM CDT, 1 hour 52 minutes before
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Special weather statement, Jun 2, 10:41 PM CDT, 23 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
1041 PM CDT SAT JUN 2 2007

OKZ002-030415-
TEXAS OK-
1041 PM CDT SAT JUN 2 2007

...STRONG THUNDERSTORM IN WEST CENTRAL TEXAS COUNTY...

AT 1041 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 8 MILES EAST OF EVA MOVING SOUTH AT 20 MPH.

ONE HALF INCH SIZE HAIL AND WINDS AROUND 50 MPH ARE POSSIBLE.

KRAMAR
Local storm report, Jun 2, 10:52 PM CDT, 12 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE AMARILLO TX
1052 PM CDT SAT JUN 02 2007

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

0820 PM     HAIL             BOISE CITY              36.73N 102.51W
06/02/2007  E1.75 INCH       CIMARRON           OK   PUBLIC

0820 PM     HAIL             1 S BOISE CITY          36.72N 102.51W
06/02/2007  E1.50 INCH       CIMARRON           OK   PUBLIC

            MOSTLY QUARTERS SOME PING PONG BALL SIZE

0833 PM     HAIL             CANYON                  34.98N 101.92W
06/02/2007  E0.75 INCH       RANDALL            TX   AMATEUR RADIO

0834 PM     HAIL             CANYON                  34.98N 101.92W
06/02/2007  E0.88 INCH       RANDALL            TX   PUBLIC

            RELAYED BY LOCAL BROADCAST MEDIA

0837 PM     HAIL             1 SW CANYON             34.97N 101.93W
06/02/2007  E1.75 INCH       RANDALL            TX   AMATEUR RADIO

0837 PM     HAIL             1 SW CANYON             34.97N 101.93W
06/02/2007  E1.75 INCH       RANDALL            TX   PUBLIC

            QUARTER TO GOLF BALL SIZE HAIL RELAYED BY LOCAL
            BROADCAST MEDIA

0838 PM     HAIL             CANYON                  34.98N 101.92W
06/02/2007  M1.00 INCH       RANDALL            TX   NWS EMPLOYEE

0842 PM     HAIL             CANYON                  34.98N 101.92W
06/02/2007  E1.00 INCH       RANDALL            TX   PUBLIC

            PENNY TO QUARTER SIZE HAIL STILL FALLING AND BEGINNING
            TO COVER THE GROUND

0842 PM     HAIL             1 NW CANYON             34.99N 101.93W
06/02/2007  E1.75 INCH       RANDALL            TX   TRAINED SPOTTER

            QUARTER TO GOLFBALL HAIL IN HUNSLEY HILLS

0845 PM     HAIL             1 S CANYON              34.97N 101.92W
06/02/2007  E1.75 INCH       RANDALL            TX   PUBLIC

            GOLF BALL SIZE HAIL RELAYED BY LOCAL BROADCAST MEDIA

0856 PM     HAIL             CANYON                  34.98N 101.92W
06/02/2007  E1.25 INCH       RANDALL            TX   AMATEUR RADIO

            QUARTER SIZE HAIL WITH SOME UP TO THE SIZE OF HALF
            DOLLARS

0900 PM     HAIL             CANYON                  34.98N 101.92W
06/02/2007  E1.75 INCH       RANDALL            TX   AMATEUR RADIO

            NICKEL TO QUARTER SIZE HAIL WITH SOME UP TO THE SIZE OF
            GOLF BALLS AT CANYON JR HIGH

&&

MJ

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 2, 8:31 PM CDTSevere Thunderstorm WarningAMARandall45 min
Jun 2, 8:56 PM CDTSevere Thunderstorm WarningAMADallam43 min
Jun 3, 1:05 AM CDTSevere Thunderstorm WarningAMAHutchinson55 min
Jun 3, 2:44 AM CDTSevere Thunderstorm WarningAMACollingsworth, Donley91 min
Jun 3, 6:32 PM CDTSevere Thunderstorm WarningAMADallam41 min
Jun 2, 8:10 PM CDTSevere Thunderstorm WarningAMACimarron65 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2007Every severe thunderstorm 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.