Alert archive / Texas / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 277, NWS Amarillo, TX
NWS Amarillo, TX issued this severe thunderstorm warning at Sep 26, 2007, 7:13 PM CDT for Hemphill County, Texas. It was in force for 34 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
- Sep 26, 2007, 7:13 PM CDT (00:13 UTC)
- Expired
- Sep 26, 2007, 7:47 PM CDT
- In force
- 34 min
- Issued by
- NWS Amarillo, TX
- Area
- Counties, with a storm outline in the text
County Hemphill County, TX
The radar
The Amarillo radar (KAMA), 147 km from the middle of the area, began a volume at 00:13 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, 0.2 hours before the alert went out and 146 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
- 622 J/kg
- Mixed-layer CIN
- -40 J/kg
- Mixed-layer LCL
- 2074 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 43 m²/s²
- 0-3 km storm-relative helicity
- 82 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
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 Sep 26, 6:50 PM CDT, 23 minutes earlier.
Area forecast discussion, Sep 26, 6:50 PM CDT, 23 minutes before
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</html>Hazardous weather outlook, Sep 26, 1:00 PM CDT, 6 hours 13 minutes before
TEXAS/OKLAHOMA PANHANDLES HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AMARILLO TX 100 PM CDT WED SEP 26 2007 OKZ001>003-TXZ001>020-271100- 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 WED SEP 26 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE TEXAS AND OKLAHOMA PANHANDLES. .DAY ONE... THUNDERSTORMS WILL BE POSSIBLE THROUGH THIS EVENING ACROSS THE TEXAS AND OKLAHOMA PANHANDLES. A FEW STORMS COULD BECOME SEVERE WITH LARGE HAIL AND DAMAGING WINDS AS THE PRIMARY THREATS. .DAYS TWO THROUGH SEVEN... THUNDERSTORMS WILL BE POSSIBLE ACROSS PORTIONS OF THE PANHANDLES MAINLY DURING THE AFTERNOON AND NIGHTTIME HOURS THURSDAY THROUGH SATURDAY...AND AGAIN ON MONDAY AND MONDAY NIGHT. A FEW STORMS COULD BECOME SEVERE WITH LARGE HAIL AND DAMAGING WINDS BEING THE MAIN THREATS. .SPOTTER INFORMATION STATEMENT... LIMITED SPOTTER ACTIVATION MAY BE NECESSARY DURING THE AFTERNOON AND EVENING HOURS TODAY THROUGH SATURDAY. SCHNEIDER
In the hours before
Special weather statement, Sep 26, 5:35 PM CDT, 1 hour 38 minutes before
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</html>Local storm report, Sep 26, 5:44 PM CDT, 1 hour 29 minutes before
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</html>Special weather statement, Sep 26, 6:12 PM CDT, 1 hour 1 minute before
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</html>Special weather statement, Sep 26, 6:24 PM CDT, 49 minutes before
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</html>Local storm report, Sep 26, 6:32 PM CDT, 41 minutes before
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</html>Special weather statement, Sep 26, 7:02 PM CDT, 11 minutes before
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</html>The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 26, 7:38 PM CDT | Severe Thunderstorm Warning | AMA | Gray, Wheeler | 67 min |
Nearby
Severe Thunderstorm Warnings in Texas, 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.