Alert archive / Texas / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 355, NWS Fort Worth, TX
NWS Fort Worth, TX issued this severe thunderstorm warning at Jul 8, 2009, 3:17 PM CDT for Hunt County, Texas. It was in force for 58 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
- Jul 8, 2009, 3:17 PM CDT (20:17 UTC)
- Expired
- Jul 8, 2009, 4:15 PM CDT
- In force
- 58 min
- Issued by
- NWS Fort Worth, TX
- Area
- Storm-based polygon
County Hunt County, TX
The radar
The Dallas/Ft Worth radar (KFWS), 129 km from the middle of the area, began a volume at 20:20 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
Norman, OK (KOUN), launched 12:00Z, 8.3 hours before the alert went out and 263 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
- 1619 J/kg
- Mixed-layer CIN
- -184 J/kg
- Mixed-layer LCL
- 1179 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 135 m²/s²
- 0-3 km storm-relative helicity
- 193 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 7.9
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 Fort Worth, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 8, 2:30 PM CDT, 47 minutes earlier.
Area forecast discussion, Jul 8, 2:30 PM CDT, 47 minutes before
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</html>Hazardous weather outlook, Jul 8, 2:10 PM CDT, 1 hour 7 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE FORT WORTH TX 210 PM CDT WED JUL 8 2009 TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-091130- MONTAGUE-COOKE-GRAYSON-FANNIN-LAMAR-YOUNG-JACK-WISE-DENTON-COLLIN- HUNT-DELTA-HOPKINS-STEPHENS-PALO PINTO-PARKER-TARRANT-DALLAS- ROCKWALL-KAUFMAN-VAN ZANDT-RAINS-EASTLAND-ERATH-HOOD-SOMERVELL- JOHNSON-ELLIS-HENDERSON-COMANCHE-MILLS-HAMILTON-BOSQUE-HILL-NAVARRO- FREESTONE-ANDERSON-LAMPASAS-CORYELL-BELL-MCLENNAN-FALLS-LIMESTONE- LEON-MILAM-ROBERTSON- 210 PM CDT WED JUL 8 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH TEXAS. .DAY ONE...THIS AFTERNOON AND TONIGHT. THERE IS A CHANCE OF THUNDERSTORMS LATE THIS AFTERNOON AND THIS EVENING...GENERALLY EAST OF INTERSTATE 35 AND NORTH OR INTERSTATE 20. SOME STORMS MAY BECOME SEVERE WITH DAMAGING STRAIGHT LINE WINDS AND MARGINALLY SEVERE HAIL. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. HEAT INDEX VALUES WILL RISE TO BETWEEN 105 AND 110 DEGREES THURSDAY AFTERNOON. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS POSSIBLE LATE THIS AFTERNOON AND THIS EVENING...GENERALLY EAST OF INTERSTATE 35 AND NORTH OF INTERSTATE 20.
In the hours before
Special weather statement, Jul 8, 3:06 PM CDT, 11 minutes before
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</html>The office that day
Everything else NWS Fort Worth, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 8, 3:06 PM CDT | Special Weather Statement | FWD | Hopkins, Hunt, Rains | 24 min |
| Jul 8, 3:40 PM CDT | Severe Thunderstorm Warning | FWD | Hopkins | 31 min |
| Jul 8, 3:47 PM CDT | Special Weather Statement | FWD | Fannin, Lamar | 58 min |
| Jul 8, 4:04 PM CDT | Severe Thunderstorm Warning | FWD | Hunt, Kaufman, Rockwall, Van Zandt | 56 min |
| Jul 8, 4:12 PM CDT | Severe Thunderstorm Warning | FWD | Fannin, Lamar | 63 min |
| Jul 8, 4:31 PM CDT | Special Weather Statement | FWD | Delta, Hopkins, Hunt | 29 min |
| Jul 8, 4:40 PM CDT | Severe Thunderstorm Warning | FWD | Kaufman, Van Zandt | 65 min |
| Jul 8, 4:52 PM CDT | Severe Thunderstorm Warning | FWD | Hopkins, Hunt | 53 min |
| Jul 8, 4:58 PM CDT | Severe Thunderstorm Warning | FWD | Delta, Hopkins, Lamar | 62 min |
| Jul 8, 5:02 PM CDT | Special Weather Statement | FWD | Collin | 28 min |
| Jul 8, 5:06 PM CDT | Severe Thunderstorm Warning | FWD | Collin, Dallas | 54 min |
| Jul 8, 5:30 PM CDT | Areal Flood Advisory | FWD | Collin, Dallas | 3 hr |
| Jul 8, 5:39 PM CDT | Severe Thunderstorm Warning | FWD | Hunt, Kaufman, Rains, Van Zandt | 51 min |
| Jul 8, 5:44 PM CDT | Severe Thunderstorm Warning | FWD | Dallas | 61 min |
| Jul 8, 5:50 PM CDT | Special Weather Statement | FWD | Henderson | 25 min |
| Jul 8, 6:26 PM CDT | Severe Thunderstorm Warning | FWD | Ellis | 35 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.