Alert archive / Texas / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 200, NWS Fort Worth, TX
NWS Fort Worth, TX issued this severe thunderstorm warning at Apr 17, 2008, 9:19 PM CDT for Collin County, Dallas County, Rockwall County, Texas. It was in force for 56 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 17, 2008, 9:19 PM CDT (02:19 UTC)
- Expired
- Apr 17, 2008, 10:15 PM CDT
- In force
- 56 min
- Issued by
- NWS Fort Worth, TX
- Area
- Storm-based polygon
Counties Collin County, TX, Dallas County, TX, Rockwall County, TX
The radar
The Dallas/Ft Worth radar (KFWS), 79 km from the middle of the area, began a volume at 02:19 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 17, 2:56 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 17, 8:57 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Fort Worth, TX (KFWD), launched 00:00Z, 2.3 hours before the alert went out and 67 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
- 822 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 1439 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 201 m²/s²
- 0-3 km storm-relative helicity
- 234 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 6.8
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 17, 8:30 PM CDT, 49 minutes earlier.
Area forecast discussion, Apr 17, 8:30 PM CDT, 49 minutes before
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</html>Hazardous weather outlook, Apr 17, 6:00 PM CDT, 3 hours 19 minutes before
HAZARDOUS WEATHER OUTLOOK FOR NORTH TEXAS...UPDATED NATIONAL WEATHER SERVICE FORT WORTH TX 600 PM CDT THU APR 17 2008 TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-181100- 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- 600 PM CDT THU APR 17 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH TEXAS. .DAY ONE...TONIGHT... THUNDERSTORMS WILL AFFECT MUCH OF NORTH TEXAS THIS EVENING AND OVERNIGHT...IN ADVANCE OF A COLD FRONT. SOME OF THESE STORMS COULD BECOME SEVERE...WITH LARGE HAIL AND DAMAGING WINDS. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY... THUNDERSTORMS WILL CONTINUE INTO FRIDAY MORNING...ENDING BY MIDDAY. THERE IS A CHANCE OF THUNDERSTORMS ACROSS ALL OF NORTH TEXAS MONDAY AFTERNOON THROUGH THURSDAY. A FEW OF THE STORMS MAY BECOME SEVERE... WITH A THREAT OF LARGE HAIL AND DAMAGING WINDS. .SPOTTER ACTIVATION STATEMENT... SPOTTER ACTIVATION IS LIKELY THIS EVENING ALONG AND NORTHWEST OF A LINE FROM GOLDTHWAITE...TO DALLAS/FORT WORTH...TO SHERMAN/DENISON. SPOTTER ACTIVATION IS ANTICIPATED ACROSS THE REMAINDER OF NORTH TEXAS FROM LATE EVENING THROUGH THE OVERNIGHT HOURS. 26/25
In the hours before
Local storm report, Apr 17, 8:29 PM CDT, 50 minutes before
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</html>Special weather statement, Apr 17, 8:30 PM CDT, 49 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
830 PM CDT THU APR 17 2008
TXZ141>143-180200-
COMANCHE TX-HAMILTON TX-MILLS TX-
830 PM CDT THU APR 17 2008
...SIGNIFICANT WEATHER ADVISORY FOR...
SOUTHERN COMANCHE COUNTY
HAMILTON COUNTY
MILLS COUNTY
AT 830 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 14 MILES EAST OF
COMANCHE TO 16 MILES NORTH OF SAN SABA...MOVING EAST AT 40 MPH.
CITIES IN THE PATH OF THESE STORMS INCLUDE EVANT...GOLDTHWAITE...
GUSTINE...HAMILTON AND MULLIN.
FREQUENT CLOUD TO GROUND LIGHTNING...VERY HEAVY RAINFALL...PEA-SIZED
HAIL...AND WIND GUSTS TO 50 MPH CAN BE EXPECTED FROM THESE STORMS.
IF THIS STORM INTENSIFIES...A SEVERE WEATHER WARNING MAY BE NEEDED.
LAT...LON 3131 9862 3132 9867 3135 9867 3134 9870
3135 9873 3141 9873 3137 9877 3143 9887
3194 9838 3168 9776 3126 9856
TIME...MOT...LOC 0130Z 271DEG 35KT 3185 9835 3142 9865
92Special weather statement, Apr 17, 8:41 PM CDT, 38 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
841 PM CDT THU APR 17 2008
TXZ134-180215-
ELLIS TX-
841 PM CDT THU APR 17 2008
...SIGNIFICANT WEATHER ADVISORY FOR...
NORTHERN ELLIS COUNTY
AT 841 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM WITH A HISTORY OF VERY LARGE HAIL AND
DESTRUCTIVE WINDS UP TO 60 MPH 5 MILES NORTHWEST OF
ALVARADO...MOVING EAST AT 30 MPH.
CITIES IN THE PATH OF THIS STORM INCLUDE FERRIS...GLENN HEIGHTS...
MIDLOTHIAN...OAK LEAF...OVILLA...PALMER...RED OAK AND WAXAHACHIE.
GOLFBALL HAIL AND WIND GUSTS TO 60 MPH CAN BE EXPECTED FROM THIS
STORM.
IF THIS STORM CONTINUES ON ITS TRACK...WARNINGS MAY BE NEEDED.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT
THURSDAY EVENING FOR NORTH CENTRAL TEXAS. A SEVERE THUNDERSTORM WATCH
ALSO REMAINS IN EFFECT UNTIL 300 AM CDT FRIDAY MORNING FOR NORTH
CENTRAL TEXAS.
LAT...LON 3237 9708 3254 9709 3255 9653 3248 9649
3247 9649 3247 9648 3239 9644
TIME...MOT...LOC 0141Z 265DEG 26KT 3248 9724
77/TLDLocal storm report, Apr 17, 8:43 PM CDT, 36 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
843 PM CDT THU APR 17 2008
..TIME.. ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE.. ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0840 PM FLASH FLOOD FORT WORTH 32.75N 97.34W
04/17/2008 TARRANT TX AMATEUR RADIO
ONE FOOT DEEP WATER AT MEACHAM BLVD AND OLD DENTON ROAD.Local storm report, Apr 17, 8:44 PM CDT, 35 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
844 PM CDT THU APR 17 2008
..TIME.. ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE.. ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0838 PM HAIL EULESS 32.85N 97.08W
04/17/2008 E1.25 INCH TARRANT TX AMATEUR RADIOLocal storm report, Apr 17, 8:57 PM CDT, 22 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
857 PM CDT THU APR 17 2008
..TIME.. ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE.. ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0855 PM HAIL MANSFIELD 32.57N 97.12W
04/17/2008 E1.00 INCH TARRANT TX AMATEUR RADIOThe office that day
Everything else NWS Fort Worth, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 17, 7:01 PM CDT | Special Weather Statement | FWD | Hood | 29 min |
| Apr 17, 7:20 PM CDT | Severe Thunderstorm Warning | FWD | Tarrant | 55 min |
| Apr 17, 7:38 PM CDT | Severe Thunderstorm Warning | FWD | Hood | 37 min |
| Apr 17, 7:42 PM CDT | Severe Thunderstorm Warning | FWD | Parker | 48 min |
| Apr 17, 7:45 PM CDT | Special Weather Statement | FWD | Johnson | 30 min |
| Apr 17, 7:45 PM CDT | Severe Thunderstorm Warning | FWD | Cooke, Denton | 45 min |
| Apr 17, 8:09 PM CDT | Severe Thunderstorm Warning | FWD | Tarrant | 66 min |
| Apr 17, 8:11 PM CDT | Severe Thunderstorm Warning | FWD | Erath, Hood, Somervell | 64 min |
| Apr 17, 8:12 PM CDT | Flash Flood Warning | FWD | Tarrant | 2 hr |
| Apr 17, 8:16 PM CDT | Severe Thunderstorm Warning | FWD | Johnson | 44 min |
| Apr 17, 8:20 PM CDT | Special Weather Statement | FWD | Dallas | 25 min |
| Apr 17, 8:30 PM CDT | Special Weather Statement | FWD | Hamilton, Mills | 30 min |
| Apr 17, 8:30 PM CDT | Severe Thunderstorm Warning | FWD | Dallas | 60 min |
| Apr 17, 8:34 PM CDT | Severe Thunderstorm Warning | FWD | Hamilton, Mills | 56 min |
| Apr 17, 8:41 PM CDT | Special Weather Statement | FWD | Ellis | 34 min |
| Apr 17, 8:47 PM CDT | Severe Thunderstorm Warning | FWD | Johnson | 43 min |
| Apr 17, 8:52 PM CDT | Severe Thunderstorm Warning | FWD | Ellis | 53 min |
| Apr 17, 9:04 PM CDT | Flash Flood Warning | FWD | Dallas | 116 min |
| Apr 17, 9:14 PM CDT | Severe Thunderstorm Warning | FWD | Lampasas | 61 min |
| Apr 17, 9:26 PM CDT | Severe Thunderstorm Warning | FWD | Coryell | 64 min |
| Apr 17, 9:42 PM CDT | Flash Flood Warning | FWD | Ellis | 2 hr |
| Apr 17, 9:44 PM CDT | Severe Thunderstorm Warning | FWD | Ellis | 61 min |
| Apr 17, 9:59 PM CDT | Severe Thunderstorm Warning | FWD | Kaufman | 61 min |
| Apr 17, 10:03 PM CDT | Special Weather Statement | FWD | Fannin, Hunt | 27 min |
| Apr 17, 10:11 PM CDT | Special Weather Statement | FWD | McLennan | 34 min |
| Apr 17, 10:18 PM CDT | Special Weather Statement | FWD | Hill | 27 min |
| Apr 17, 10:32 PM CDT | Flash Flood Warning | FWD | Kaufman | 118 min |
| Apr 17, 10:32 PM CDT | Special Weather Statement | FWD | Navarro | 58 min |
| Apr 17, 10:46 PM CDT | Special Weather Statement | FWD | McLennan | 29 min |
| Apr 17, 10:50 PM CDT | Special Weather Statement | FWD | Henderson | 85 min |
| Apr 17, 11:03 PM CDT | Special Weather Statement | FWD | Bell | 27 min |
| Apr 17, 11:22 PM CDT | Special Weather Statement | FWD | Bell | 53 min |
| Apr 17, 11:42 PM CDT | Severe Thunderstorm Warning | FWD | Bell, Milam | 48 min |
| Apr 18, 12:13 AM CDT | Special Weather Statement | FWD | Henderson, Van Zandt | 37 min |
| Apr 18, 12:42 AM CDT | Special Weather Statement | FWD | Anderson | 33 min |
| Apr 18, 12:44 AM CDT | Special Weather Statement | FWD | Robertson | 31 min |
| Apr 18, 1:05 AM CDT | Special Weather Statement | FWD | Anderson | 25 min |
| Apr 18, 6:37 AM CDT | River Flood Warning | FWD | Collin | 4 hr |
| Apr 18, 8:10 AM CDT | River Flood Warning | FWD | Hunt, Rockwall | 6 hr |
| Apr 18, 9:31 AM CDT | River Flood Warning | FWD | Henderson, Navarro | 12 hr |
| Apr 18, 2:45 PM CDT | River Flood Warning | FWD | Dallas | 18 hr |
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.