Alert archive / Texas / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 86, NWS Fort Worth, TX
NWS Fort Worth, TX issued this severe thunderstorm warning at Apr 16, 2009, 7:03 PM CDT for Leon County, Texas. It was in force for 57 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 16, 2009, 7:03 PM CDT (00:03 UTC)
- Expired
- Apr 16, 2009, 8:00 PM CDT
- In force
- 57 min
- Issued by
- NWS Fort Worth, TX
- Area
- Storm-based polygon
County Leon County, TX
The radar
The Ft Hood radar (KGRK), 147 km from the middle of the area, began a volume at 00:05 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
Shreveport, LA (KSHV), launched 00:00Z, 0.1 hours before the alert went out and 250 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2029 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- -27 m²/s²
- 0-3 km storm-relative helicity
- 34 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Apr 16, 7:00 PM CDT, 3 minutes earlier.
Area forecast discussion, Apr 16, 7:00 PM CDT, 3 minutes before
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</html>Hazardous weather outlook, Apr 16, 6:05 PM CDT, 58 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE FORT WORTH TX 605 PM CDT THU APR 16 2009 TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-171100- 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- 605 PM CDT THU APR 16 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH TEXAS. .DAY ONE...TONIGHT. SCATTERED THUNDERSTORMS ARE EXPECTED THIS EVENING ACROSS MOST OF NORTH TEXAS WITH CHANCES INCREASING LATER TONIGHT FROM WEST TO EAST. STRONG THUNDERSTORMS ARE EXPECTED WITH HAIL AND FREQUENT LIGHTNING BEING THE MAIN THREATS. IN ADDITION...LOCALLY HEAVY RAINFALL WILL BE POSSIBLE WITH THESE STORMS. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. A COMPLEX OF THUNDERSTORMS IS EXPECTED TO MOVE ACROSS NORTH TEXAS DURING THE DAY FRIDAY. FREQUENT LIGHTNING...SMALL HAIL AND LOCALLY HEAVY RAINFALL CAN BE EXPECTED. FARTHER SOUTH...SOME STORMS MAY BECOME SEVERE...MAINLY SOUTH OF INTERSTATE 20. LARGE HAIL AND STRONG WINDS WILL BE POSSIBLE WITH THESE STORMS. SCATTERED THUNDERSTORMS ARE EXPECTED ACROSS THE SOUTHERN HALF OF NORTH TEXAS FRIDAY NIGHT AND SATURDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUESTED TONIGHT. DUNN
In the hours before
Special weather statement, Apr 16, 1:22 PM CDT, 5 hours 41 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
122 PM CDT THU APR 16 2009
TXZ100-161845-
YOUNG TX-
122 PM CDT THU APR 16 2009
...SIGNIFICANT WEATHER ADVISORY FOR...
YOUNG COUNTY
AT 121 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 17 MILES NORTH OF BRECKENRIDGE...MOVING NORTHEAST
AT 30 MPH.
CITIES IN THE PATH OF THIS STORM INCLUDE NEWCASTLE AND OLNEY.
PEA-SIZED HAIL AND WIND GUSTS TO 40 MPH CAN BE EXPECTED FROM THIS
STORM.
IF THIS STORM INTENSIFIES...A SEVERE WEATHER WARNING MAY BE NEEDED.
LAT...LON 3340 9877 3340 9842 3339 9842 3295 9877
3296 9896 3305 9896
TIME...MOT...LOC 1821Z 208DEG 28KT 3300 9886Special weather statement, Apr 16, 3:01 PM CDT, 4 hours 2 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
301 PM CDT THU APR 16 2009
TXZ100-162030-
YOUNG TX-
301 PM CDT THU APR 16 2009
...SIGNIFICANT WEATHER ADVISORY FOR...
NORTHWESTERN YOUNG COUNTY
AT 302 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 10 MILES WEST OF OLNEY...MOVING NORTHEAST AT 30
MPH.
PEA-SIZED HAIL CAN BE EXPECTED FROM THIS STORM.
LAT...LON 3340 9895 3340 9882 3339 9882 3324 9887
3327 9896
TIME...MOT...LOC 2002Z 207DEG 25KT 3332 9891
SCHULTZSpecial weather statement, Apr 16, 6:23 PM CDT, 40 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
623 PM CDT THU APR 16 2009
TXZ159-170000-
MCLENNAN TX-
623 PM CDT THU APR 16 2009
...SIGNIFICANT WEATHER ADVISORY FOR...
MCLENNAN COUNTY
AT 623 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 3 MILES EAST OF MCGREGOR...MOVING NORTHEAST AT 25
MPH. ANOTHER STRONG THUNDERSTORM WAS LOCATED NEAR CRAWFORD...ALSO
MOVING NORTHEAST AT 25 MPH.
CITIES IN THE PATH OF THIS STORM INCLUDE BELLMEAD...BEVERLY HILLS...
CRAWFORD...LACY-LAKEVIEW...MCGREGOR...NORTHCREST...WACO AND WOODWAY.
PEA-SIZED HAIL AND WIND GUSTS TO 30 MPH CAN BE EXPECTED FROM THIS
STORM.
LAT...LON 3146 9748 3170 9739 3179 9721 3175 9696
3133 9731
TIME...MOT...LOC 2323Z 205DEG 23KT 3146 9733
SCHULTZSpecial weather statement, Apr 16, 6:51 PM CDT, 12 minutes before
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</html>Local storm report, Apr 16, 6:59 PM CDT, 4 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 |
|---|---|---|---|---|
| Apr 16, 7:45 PM CDT | Special Weather Statement | FWD | Navarro | 30 min |
| Apr 16, 8:16 PM CDT | Special Weather Statement | FWD | Navarro | 29 min |
| Apr 16, 8:25 PM CDT | Special Weather Statement | FWD | Ellis | 35 min |
| Apr 16, 8:42 PM CDT | Special Weather Statement | FWD | Cherokee | 33 min |
| Apr 16, 9:02 PM CDT | Special Weather Statement | FWD | Henderson | 28 min |
| Apr 16, 9:12 PM CDT | Special Weather Statement | FWD | Montague | 33 min |
| Apr 16, 9:25 PM CDT | Severe Thunderstorm Warning | FWD | Cooke, Montague | 53 min |
| Apr 16, 9:35 PM CDT | Special Weather Statement | FWD | Denton | 25 min |
| Apr 16, 9:43 PM CDT | Special Weather Statement | FWD | Kaufman | 32 min |
| Apr 16, 9:55 PM CDT | Special Weather Statement | FWD | Tarrant | 35 min |
| Apr 16, 10:13 PM CDT | Special Weather Statement | FWD | Van Zandt | 32 min |
| Apr 16, 10:17 PM CDT | Special Weather Statement | FWD | Rockwall | 28 min |
| Apr 16, 11:12 PM CDT | Special Weather Statement | FWD | Rains | 33 min |
| Apr 17, 6:46 AM CDT | Special Weather Statement | FWD | Hamilton | 29 min |
| Apr 17, 7:16 AM CDT | Special Weather Statement | FWD | Hamilton | 29 min |
| Apr 17, 7:33 AM CDT | Severe Thunderstorm Warning | FWD | Lampasas | 42 min |
| Apr 17, 7:45 AM CDT | Special Weather Statement | FWD | Bosque | 30 min |
| Apr 17, 7:59 AM CDT | Special Weather Statement | FWD | Eastland, Stephens, Young | 61 min |
| Apr 17, 8:14 AM CDT | Severe Thunderstorm Warning | FWD | Bell, Coryell, Lampasas | 76 min |
| Apr 17, 8:18 AM CDT | Special Weather Statement | FWD | Johnson | 27 min |
| Apr 17, 8:40 AM CDT | Severe Thunderstorm Warning | FWD | Hill | 47 min |
| Apr 17, 9:04 AM CDT | Severe Thunderstorm Warning | FWD | Ellis, Johnson | 56 min |
| Apr 17, 9:13 AM CDT | Severe Thunderstorm Warning | FWD | Coryell | 62 min |
| Apr 17, 9:31 AM CDT | Severe Thunderstorm Warning | FWD | Bell, McLennan | 59 min |
| Apr 17, 9:34 AM CDT | Areal Flood Advisory | FWD | Bell, Coryell | 3 hr |
| Apr 17, 10:10 AM CDT | Special Weather Statement | FWD | Falls, Milam | 35 min |
| Apr 17, 10:24 AM CDT | Severe Thunderstorm Warning | FWD | McLennan | 51 min |
| Apr 17, 10:33 AM CDT | Special Weather Statement | FWD | Dallas, Ellis | 27 min |
| Apr 17, 10:39 AM CDT | Special Weather Statement | FWD | Hill | 36 min |
| Apr 17, 10:47 AM CDT | Special Weather Statement | FWD | Palo Pinto, Parker, Tarrant, Wise | 28 min |
| Apr 17, 10:49 AM CDT | Special Weather Statement | FWD | Erath, Hamilton, Hood, Lampasas, Mills, Somervell | 26 min |
| Apr 17, 10:59 AM CDT | Special Weather Statement | FWD | Limestone | 31 min |
| Apr 17, 11:00 AM CDT | Special Weather Statement | FWD | Leon | 30 min |
| Apr 17, 11:17 AM CDT | Special Weather Statement | FWD | Freestone, Navarro | 28 min |
| Apr 17, 11:21 AM CDT | Special Weather Statement | FWD | Robertson | 24 min |
| Apr 17, 11:23 AM CDT | Areal Flood Advisory | FWD | Falls, Limestone, Milam, Robertson | 3 hr |
| Apr 17, 11:28 AM CDT | Areal Flood Advisory | FWD | Dallas, Ellis, Henderson, Kaufman, Navarro, Rockwall | 3 hr |
| Apr 17, 11:43 AM CDT | Special Weather Statement | FWD | Freestone, Henderson, Kaufman | 32 min |
| Apr 17, 11:53 AM CDT | Areal Flood Advisory | FWD | Freestone, Leon | 3 hr |
| Apr 17, 12:01 PM CDT | Special Weather Statement | FWD | Collin, Dallas, Ellis, Grayson, Rockwall | 119 min |
| Apr 17, 12:11 PM CDT | Special Weather Statement | FWD | Cooke, Denton, Montague, Tarrant, Wise | 34 min |
| Apr 17, 12:13 PM CDT | Special Weather Statement | FWD | Bell, Bosque, Coryell, Ellis, Falls, Hill and 4 more | 32 min |
| Apr 17, 12:19 PM CDT | Special Weather Statement | FWD | Anderson | 26 min |
| Apr 17, 12:29 PM CDT | Areal Flood Advisory | FWD | Anderson, Henderson, Van Zandt | 3 hr |
| Apr 17, 12:42 PM CDT | Special Weather Statement | FWD | Delta, Lamar | 63 min |
| Apr 17, 12:43 PM CDT | Areal Flood Advisory | FWD | Delta, Fannin, Hopkins, Hunt, Lamar, Rains | 3 hr |
| Apr 17, 1:08 PM CDT | Special Weather Statement | FWD | Kaufman, Limestone, Navarro | 67 min |
| Apr 17, 2:04 PM CDT | Special Weather Statement | FWD | Fannin, Hunt | 71 min |
| Apr 17, 2:11 PM CDT | Special Weather Statement | FWD | Anderson, Henderson, Rains, Van Zandt | 79 min |
| Apr 17, 2:49 PM CDT | Special Weather Statement | FWD | Coryell | 26 min |
| Apr 17, 3:04 PM CDT | Special Weather Statement | FWD | Delta, Hopkins, Lamar | 86 min |
| Apr 17, 3:19 PM CDT | Special Weather Statement | FWD | Coryell | 26 min |
| Apr 17, 3:32 PM CDT | Special Weather Statement | FWD | Anderson, Henderson, Leon, Van Zandt | 58 min |
| Apr 17, 5:30 PM CDT | Special Weather Statement | FWD | Milam | 30 min |
| Apr 17, 5:40 PM CDT | Special Weather Statement | FWD | McLennan | 35 min |
| Apr 17, 5:44 PM CDT | Special Weather Statement | FWD | Bell | 31 min |
| Apr 17, 6:20 PM CDT | Special Weather Statement | FWD | Milam | 25 min |
| Apr 17, 6:50 PM CDT | Special Weather Statement | FWD | Robertson | 25 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.