Alert archive / Texas / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 24, NWS Amarillo, TX
NWS Amarillo, TX issued this severe thunderstorm warning at Apr 26, 2009, 11:28 AM CDT for Lipscomb County, Ochiltree County, Texas; Beaver County, Oklahoma. It was in force for 62 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
- Apr 26, 2009, 11:28 AM CDT (16:28 UTC)
- Expired
- Apr 26, 2009, 12:30 PM CDT
- In force
- 62 min
- Issued by
- NWS Amarillo, TX
- Area
- Storm-based polygon
Counties Beaver County, OK, Lipscomb County, TX, Ochiltree County, TX
The radar
The Dodge City radar (KDDC), 155 km from the middle of the area, began a volume at 16:31 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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 26, 11:07 AM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Dodge City, (KDDC), launched 12:00Z, 4.5 hours before the alert went out and 158 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.
- Mixed-layer CAPE
- 1949 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 641 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 382 m²/s²
- 0-3 km storm-relative helicity
- 418 m²/s²
- Significant tornado parameter
- 3.6
- Supercell composite
- 18.1
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 Apr 26, 7:04 AM CDT, 4 hours 24 minutes earlier.
Area forecast discussion, Apr 26, 7:04 AM CDT, 4 hours 24 minutes before
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</html>Hazardous weather outlook, Apr 26, 11:06 AM CDT, 22 minutes before
TEXAS/OKLAHOMA PANHANDLES HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE AMARILLO TX 1106 AM CDT SUN APR 26 2009 OKZ001>003-TXZ001>020-261800- ARMSTRONG-BEAVER-CARSON-CIMARRON-COLLINGSWORTH-DALLAM-DEAF SMITH- DONLEY-GRAY-HANSFORD-HARTLEY-HEMPHILL-HUTCHINSON-LIPSCOMB-MOORE- OCHILTREE-OLDHAM-POTTER-RANDALL-ROBERTS-SHERMAN-TEXAS-WHEELER- 1106 AM CDT SUN APR 26 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE TEXAS AND OKLAHOMA PANHANDLES. .DAY ONE... A TORNADO WATCH IS IN EFFECT FOR MUCH OF THE EASTERN OKLAHOMA AND TEXAS PANHANDLES UNTIL 7 PM CDT. THUNDERSTORMS WILL BE POSSIBLE IN THE CENTRAL AND EASTERN PANHANDLES TODAY. SOME OF THESE THUNDERSTORMS COULD BECOME SEVERE. THE MAIN THREATS FROM THESE STORMS WILL BE LARGE HAIL AND DAMAGING WINDS. BREEZY WINDS WILL REQUIRE BOATERS TO EXERCISE CAUTION ON AREA LAKES THROUGH TONIGHT. CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED TODAY ACROSS THE WESTERN AND CENTRAL OKLAHOMA AND TEXAS PANHANDLES WHERE A RED FLAG WARNING IN EFFECT FROM 11 AM TO 9 PM TODAY. .DAYS TWO THROUGH SEVEN... SCATTERED SHOWERS AND THUNDERSTORMS ARE POSSIBLE IN THE SOUTHEAST TEXAS PANHANDLE ON MONDAY AND MONDAY NIGHT...AND ACROSS ALL OF THE TEXAS AND OKLAHOMA PANHANDLES ON TUESDAY AND TUESDAY NIGHT. ON WEDNESDAY...SHOWERS AND THUNDERSTORMS ARE EXPECTED OVER THE EASTERN HALF OF THE PANHANDLES. SOME OF THESE STORMS MAY BE SEVERE WITH LARGE HAIL AND DAMAGING WINDS BEING THE MAIN THREATS. .SPOTTER INFORMATION STATEMENT... SPOTTER GROUPS AND EMERGENCY MANAGEMENT OFFICIALS SHOULD CONTINUE TO MONITOR THE LATEST FORECAST AND BE READY FOR POSSIBLE ACTIVATION TODAY THROUGH WEDNESDAY. WYNNE
In the hours before
Special weather statement, Apr 26, 10:41 AM CDT, 47 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AMARILLO TX 1041 AM CDT SUN APR 26 2009 OKZ003-261615- BEAVER OK- 1041 AM CDT SUN APR 26 2009 ...STRONG THUNDERSTORM IN SOUTHEASTERN BEAVER COUNTY... AT 1041 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 4 MILES WEST OF SLAPOUT MOVING NORTHEAST AT 15 MPH. HAIL UP TO ONE HALF OF AN INCH...STRONG WINDS...AND VERY HEAVY RAINFALL ARE POSSIBLE WITH THIS STORM. PEOPLE IN SOUTHEASTERN BEAVER COUNTY SHOULD MONITOR THE WEATHER SITUATION CLOSELY...LISTEN FOR WARNINGS AND REMAIN ALERT FOR THREATENING WEATHER CONDITIONS. SJOHNSON
Special weather statement, Apr 26, 11:05 AM CDT, 23 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AMARILLO TX 1105 AM CDT SUN APR 26 2009 TXZ015-020-261630- COLLINGSWORTH TX-WHEELER TX- 1105 AM CDT SUN APR 26 2009 ...STRONG THUNDERSTORM IN NORTHWESTERN COLLINGSWORTH AND SOUTH CENTRAL WHEELER COUNTIES... AT 1105 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 4 MILES WEST OF DOZIER MOVING NORTHEAST AT 15 MPH. UP TO ONE HALF INCH SIZE HAIL AND WINDS AROUND 50 MPH ARE POSSIBLE. PEOPLE IN NORTHWESTERN COLLINGSWORTH AND SOUTH CENTRAL WHEELER COUNTIES...INCLUDING THE CITY OF SHAMROCK...SHOULD MONITOR THE WEATHER SITUATION CLOSELY...LISTEN FOR WARNINGS AND REMAIN ALERT FOR THREATENING WEATHER CONDITIONS. SJOHNSON
Special weather statement, Apr 26, 11:11 AM CDT, 17 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AMARILLO TX 1111 AM CDT SUN APR 26 2009 OKZ003-TXZ004-005-261645- BEAVER OK-LIPSCOMB TX-OCHILTREE TX- 1111 AM CDT SUN APR 26 2009 ...STRONG THUNDERSTORMS IN EASTERN BEAVER...NORTHWESTERN LIPSCOMB AND NORTHEASTERN OCHILTREE COUNTIES... AT 1111 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS OVER BOOKER MOVING NORTHEAST AT 15 MPH. UP TO ONE HALF INCH SIZE HAIL AND WINDS AROUND 50 MPH ARE POSSIBLE. PEOPLE IN EASTERN BEAVER...NORTHWESTERN LIPSCOMB AND NORTHEASTERN OCHILTREE COUNTIES SHOULD MONITOR THE WEATHER SITUATION CLOSELY... LISTEN FOR WARNINGS AND REMAIN ALERT FOR THREATENING WEATHER CONDITIONS. SJOHNSON
The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 26, 5:12 AM CDT | Red Flag Warning | AMA | Armstrong, Carson, Dallam, Deaf Smith, Hansford, Hartley and 6 more | 16 hr |
| Apr 26, 11:14 AM CDT | Severe Thunderstorm Warning | AMA | Collingsworth, Wheeler | 41 min |
| Apr 26, 12:22 PM CDT | Severe Thunderstorm Warning | AMA | Lipscomb, Ochiltree | 53 min |
| Apr 26, 12:39 PM CDT | Flash Flood Warning | AMA | Lipscomb, Ochiltree | 4 hr |
| Apr 26, 12:48 PM CDT | Severe Thunderstorm Warning | AMA | Gray, Hemphill, Roberts | 57 min |
| Apr 26, 1:30 PM CDT | Severe Thunderstorm Warning | AMA | Hemphill, Lipscomb | 60 min |
| Apr 26, 1:54 PM CDT | Severe Thunderstorm Warning | AMA | Hemphill, Lipscomb | 66 min |
| Apr 26, 2:28 PM CDT | Severe Thunderstorm Warning | AMA | Hemphill, Lipscomb | 62 min |
| Apr 26, 2:53 PM CDT | Severe Thunderstorm Warning | AMA | Gray, Hemphill, Wheeler | 67 min |
| Apr 26, 3:23 PM CDT | Severe Thunderstorm Warning | AMA | Hemphill, Lipscomb, Roberts | 67 min |
| Apr 26, 3:39 PM CDT | Severe Thunderstorm Warning | AMA | Hemphill, Wheeler | 66 min |
| Apr 26, 4:13 PM CDT | Severe Thunderstorm Warning | AMA | Hemphill, Wheeler | 62 min |
| Apr 26, 4:38 PM CDT | Areal Flood Advisory | AMA | Hemphill, Wheeler | 4 hr |
| Apr 26, 4:40 PM CDT | Severe Thunderstorm Warning | AMA | Hemphill, Wheeler | 55 min |
| Apr 26, 5:52 PM CDT | Severe Thunderstorm Warning | AMA | Hemphill, Lipscomb | 21 min |
| Apr 26, 12:35 PM CDT | Tornado Warning | AMA | Beaver | 25 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2009Severe Thunderstorm Warnings in Oklahoma, 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.