Alert archive / Texas / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 89, NWS San Angelo, TX
NWS San Angelo, TX issued this severe thunderstorm warning at Apr 17, 2007, 4:43 PM CDT for Brown County, Callahan County, Texas. It was in force for 32 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, 2007, 4:43 PM CDT (21:43 UTC)
- Expired
- Apr 17, 2007, 5:15 PM CDT
- In force
- 32 min
- Issued by
- NWS San Angelo, TX
- Area
- Counties, with a storm outline in the text
Counties Brown County, TX, Callahan County, TX
The radar
The Dyess AFB radar (KDYX), 56 km from the middle of the area, began a volume at 21:44 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, 1:37 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Fort Worth, TX (KFWD), launched 12:00Z, 9.7 hours before the alert went out and 199 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
- 818 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 135 m²/s²
- 0-3 km storm-relative helicity
- 198 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 San Angelo, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 17, 3:52 PM CDT, 51 minutes earlier.
Area forecast discussion, Apr 17, 3:52 PM CDT, 51 minutes before
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</html>Hazardous weather outlook, Apr 17, 4:00 PM CDT, 43 minutes before
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Special weather statement, Apr 17, 1:46 PM CDT, 2 hours 57 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANGELO TX 146 PM CDT TUE APR 17 2007 TXZ049-054-171945- NOLAN TX-FISHER TX- 146 PM CDT TUE APR 17 2007 ...SIGNIFICANT WEATHER ALERT EFFECTIVE UNTIL 245 PM CDT FOR NOLAN AND FISHER COUNTIES... AT 144 PM CDT...A STRONG THUNDERSTORM WAS INDICATED BY NATIONAL WEATHER SERVICE DOPPLER RADAR 18 MILES NORTHWEST OF WASTELLA...OR ABOUT 4 MILES SOUTHEAST OF SNYDER...MOVING EAST AT 15 MPH. * THE STRONG THUNDERSTORM WILL BE NEAR... HOBBS AND CAPITOLA BY 245 PM CDT PEA SIZE TO DIME SIZE HAIL AND WIND GUSTS TO 50 MPH ARE LIKELY WITH THIS STORM. HEAVY RAINFALL WILL CAUSE PONDING OF WATER ON AREA ROADWAYS...ESPECIALLY THOSE IN POOR DRAINAGE AREAS. RESIDENTS ARE ENCOURAGED TO MONITOR THE SITUATION CLOSELY AND BE PREPARED TO TAKE THE PROPER ACTIONS SHOULD A WARNING BE ISSUED. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM CDT TUESDAY EVENING FOR WEST CENTRAL TEXAS. 11
Special weather statement, Apr 17, 1:53 PM CDT, 2 hours 50 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANGELO TX 153 PM CDT TUE APR 17 2007 TXZ049-054-064>066-098-099-113-114-127-128-139-140-172100- FISHER-NOLAN-STERLING-COKE-RUNNELS-HASKELL-THROCKMORTON-JONES- SHACKELFORD-TAYLOR-CALLAHAN-COLEMAN-BROWN- INCLUDING THE CITIES OF...ROTAN...ROBY...SWEETWATER... STERLING CITY...ROBERT LEE...BRONTE...BALLINGER...WINTERS... HASKELL...THROCKMORTON...WOODSON...STAMFORD...ANSON...HAMLIN... ALBANY...ABILENE...CLYDE...BAIRD...CROSS PLAINS...COLEMAN... BROWNWOOD 153 PM CDT TUE APR 17 2007 ...SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 8 PM... THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH THAT IS IN EFFECT FOR AN AREA ALONG AND NORTH OF A LINE FROM STERLING CITY TO BROWNWOOD. AT 150 PM CDT...RADAR SHOWED AN AREA OF SCATTERED STRONG TO SEVERE THUNDERSTORMS FROM HAMLIN TO COLORADO CITY THAT WAS MOVING EAST AT 30 MPH. THESE STORMS WILL LIKELY IMPACT ROBY...ROTAN...SWEETWATER BY 3 PM. OTHER STRONG TO SEVERE STORMS WILL CONTINUE TO DEVELOP. THE STRONGEST STORMS MAY PRODUCE LARGE HAIL...DAMAGING WINDS...AND VERY HEAVY RAIN THROUGH THIS AFTERNOON AS A STRONG UPPER LOW MOVES EAST ACROSS THE AREA. BE PREPARED FOR POSSIBLE WARNINGS.
Local storm report, Apr 17, 2:38 PM CDT, 2 hours 5 minutes before
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</html>Special weather statement, Apr 17, 3:11 PM CDT, 1 hour 32 minutes before
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</html>The office that day
Everything else NWS San Angelo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 17, 4:35 AM CDT | Red Flag Warning | SJT | Coke, Crockett, Irion, Schleicher, Sterling, Sutton and 1 more | 15 hr |
| Apr 17, 2:25 PM CDT | Severe Thunderstorm Warning | SJT | Fisher, Nolan | 50 min |
| Apr 17, 3:04 PM CDT | Severe Thunderstorm Warning | SJT | Jones, Taylor | 56 min |
| Apr 17, 3:33 PM CDT | Severe Thunderstorm Warning | SJT | Coleman, Runnels | 42 min |
| Apr 17, 3:44 PM CDT | Severe Thunderstorm Warning | SJT | Callahan, Shackelford | 46 min |
| Apr 17, 3:52 PM CDT | Severe Thunderstorm Warning | SJT | Shackelford, Throckmorton | 23 min |
| Apr 17, 4:12 PM CDT | Severe Thunderstorm Warning | SJT | Brown, Coleman | 48 min |
| Apr 17, 4:21 PM CDT | Severe Thunderstorm Warning | SJT | Brown, Callahan, Coleman | 24 min |
| Apr 17, 4:27 PM CDT | Severe Thunderstorm Warning | SJT | Callahan, Shackelford | 21 min |
| Apr 17, 4:51 PM CDT | Severe Thunderstorm Warning | SJT | Brown | 29 min |
| Apr 17, 4:58 PM CDT | Severe Thunderstorm Warning | SJT | Brown | 21 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.