Alert archive / Texas / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 284, NWS Fort Worth, TX
NWS Fort Worth, TX issued this severe thunderstorm warning at May 10, 2008, 5:52 PM CDT for Dallas County, Texas. It was in force for 29 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
- May 10, 2008, 5:52 PM CDT (22:52 UTC)
- Expired
- May 10, 2008, 6:21 PM CDT
- In force
- 29 min
- Issued by
- NWS Fort Worth, TX
- Area
- Storm-based polygon
County Dallas County, TX
The radar
The Dallas/Ft Worth radar (KFWS), 54 km from the middle of the area, began a volume at 22:51 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 |
|---|---|---|---|
| May 10, 4:16 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Norman, OK (KOUN), launched 12:00Z, 10.9 hours before the alert went out and 279 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
- 146 J/kg
- Mixed-layer CIN
- -598 J/kg
- Mixed-layer LCL
- 1471 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 544 m²/s²
- 0-3 km storm-relative helicity
- 682 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.9
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 May 10, 2:51 PM CDT, 3 hours 1 minute earlier.
Area forecast discussion, May 10, 2:51 PM CDT, 3 hours 1 minute before
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HAZARDOUS WEATHER OUTLOOK...RETRANSMITTED NATIONAL WEATHER SERVICE FORT WORTH TX 1015 AM CDT SAT MAY 10 2008 TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-111100- ANDERSON-BELL-BOSQUE-COLLIN-COMANCHE-COOKE-CORYELL-DALLAS-DELTA- DENTON-EASTLAND-ELLIS-ERATH-FALLS-FANNIN-FREESTONE-GRAYSON-HAMILTON- HENDERSON-HILL-HOOD-HOPKINS-HUNT-JACK-JOHNSON-KAUFMAN-LAMAR-LAMPASAS- LEON-LIMESTONE-MCLENNAN-MILAM-MILLS-MONTAGUE-NAVARRO-PALO PINTO- PARKER-RAINS-ROBERTSON-ROCKWALL-SOMERVELL-STEPHENS-TARRANT-VAN ZANDT- WISE-YOUNG- 1015 AM CDT SAT MAY 10 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH TEXAS. .DAY ONE... THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS TODAY TO THE EAST OF A LINE FROM GAINESVILLE...TO ARLINGTON...TO HILLSBORO...TO LAMPASAS. ISOLATED TO SCATTERED SEVERE THUNDERSTORMS ARE EXPECTED TO DEVELOP ALONG AND TO THE EAST A DRY LINE THIS AFTERNOON. THE ATMOSPHERE IS VERY UNSTABLE OVER NORTH TEXAS AND THUNDERSTORMS THAT DO DEVELOP WILL BECOME SEVERE. VERY LARGE HAIL...DAMAGING WINDS...AND ISOLATED TORNADOES WILL BE POSSIBLE ACROSS THE SLIGHT RISK AREA. THE THUNDERSTORMS WILL MOVE EAST AND SHOULD BE OUT OF NORTH TEXAS BY MIDNIGHT. .DAYS TWO THROUGH SEVEN... THERE WILL BE A CHANCE OF THUNDERSTORMS TUESDAY THROUGH WEDNESDAY NIGHT ACROSS ALL OF NORTH TEXAS. SOME OF THE STORMS MAY BE SEVERE WITH LARGE HAIL AND DAMAGING WINDS. THUNDERSTORMS CHANCES WILL RETURN TO THE NORTHERN TWO-THIRDS OF NORTH TEXAS THURSDAY NIGHT. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED THIS AFTERNOON AND EVENING ALONG AND EAST OF A LINE FROM GAINESVILLE...TO ARLINGTON...TO HILLSBORO...TO LAMPASAS. 92/13
In the hours before
Special weather statement, May 10, 5:13 PM CDT, 39 minutes before
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</html>Special weather statement, May 10, 5:45 PM CDT, 7 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
545 PM CDT SAT MAY 10 2008
TXZ119-102315-
DALLAS TX-
545 PM CDT SAT MAY 10 2008
...SIGNIFICANT WEATHER ADVISORY FOR...
NORTHERN DALLAS COUNTY
AT 545 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 2 MILES SOUTHWEST OF HIGHLAND PARK...MOVING EAST
AT 25 MPH.
CITIES IN THE PATH OF THIS STORM INCLUDE ADDISON...BALCH SPRINGS...
COCKRELL HILL...DALLAS...FARMERS BRANCH...GARLAND...HIGHLAND PARK...
MESQUITE...RICHARDSON...ROWLETT...SACHSE...SUNNYVALE AND UNIVERSITY
PARK.
FREQUENT CLOUD TO GROUND LIGHTNING...VERY HEAVY RAINFALL...PEA-SIZED
HAIL...AND WIND GUSTS TO 50 MPH CAN BE EXPECTED FROM THIS STORM.
IF THIS STORM INTENSIFIES...A SEVERE WEATHER WARNING MAY BE NEEDED.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT SATURDAY EVENING.
LAT...LON 3272 9697 3296 9693 3299 9655 3299 9652
3269 9652
TIME...MOT...LOC 2245Z 270DEG 22KT 3281 9680The office that day
Everything else NWS Fort Worth, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 9, 7:37 PM CDT | Severe Thunderstorm Warning | FWD | Lampasas | 53 min |
| May 9, 8:12 PM CDT | Special Weather Statement | FWD | Coryell | 33 min |
| May 9, 8:21 PM CDT | Severe Thunderstorm Warning | FWD | Coryell, Lampasas | 54 min |
| May 9, 9:03 PM CDT | Severe Thunderstorm Warning | FWD | Bosque, Coryell, McLennan | 57 min |
| May 9, 9:23 PM CDT | Special Weather Statement | FWD | Williamson | 37 min |
| May 9, 9:54 PM CDT | Severe Thunderstorm Warning | FWD | McLennan | 34 min |
| May 9, 10:21 PM CDT | Special Weather Statement | FWD | Limestone | 24 min |
| May 10, 5:13 PM CDT | Special Weather Statement | FWD | Dallas | 32 min |
| May 10, 5:45 PM CDT | Special Weather Statement | FWD | Dallas | 30 min |
| May 10, 6:04 PM CDT | Special Weather Statement | FWD | Rockwall | 26 min |
| May 10, 6:17 PM CDT | Special Weather Statement | FWD | Kaufman | 28 min |
| May 10, 6:33 PM CDT | Special Weather Statement | FWD | Grayson | 27 min |
| May 10, 6:42 PM CDT | Special Weather Statement | FWD | Kaufman | 33 min |
| May 10, 6:57 PM CDT | Special Weather Statement | FWD | Fannin | 33 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2008Every severe thunderstorm warning in 2008
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.