Alert archive / Texas / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 6, NWS San Angelo, TX
NWS San Angelo, TX issued this severe thunderstorm warning at Apr 16, 2003, 1:30 AM CDT for Brown County, Texas. It was in force for 30 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, 2003, 1:30 AM CDT (06:30 UTC)
- Expired
- Apr 16, 2003, 2:00 AM CDT
- In force
- 30 min
- Issued by
- NWS San Angelo, TX
- Area
- Counties, with a storm outline in the text
County Brown County, TX
The nearest sounding before it
Fort Worth, TX (KFWD), launched 00:00Z, 6.5 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
- 133 J/kg
- Mixed-layer CIN
- -51 J/kg
- Mixed-layer LCL
- 1178 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 186 m²/s²
- 0-3 km storm-relative helicity
- 236 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 2.3
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 15, 9:40 PM CDT, 3 hours 50 minutes earlier.
Area forecast discussion, Apr 15, 9:40 PM CDT, 3 hours 50 minutes before
WEST CENTRAL TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE SAN ANGELO TX 940 PM CDT TUE APR 15 2003 ANOTHER QUICK UPDATE TO CANCEL MOST OF THE TORNADO WATCH. DRYLINE CONTINUES TO PUSH EAST...AND IS NOW SKIRTING MY WESTERN COUNTIES. CAP HAS HELD FURTHER SOUTH AND THE FEW SHOWERS THAT TRIED TO DEVELOP DISSIPATED FAIRLY QUICKLY. AFTER COORDINATION WITH SPC...HAVE OPTED TO CANCEL THE TORNADO WATCH FOR ALL BUT HASKELL AND THROCKMORTON COUNTIES. GIVEN THAT THE DRYLINE WILL NOT CLEAR THE EASTERN COUNTIES UNTIL AFTER MIDNIGHT...HAVE OPTED TO LEAVE SMALL POPS IN FOR THE NORTHERN AND EASTERN COUNTIES. 07 CURRENT...SATELLITE AND WSR-88D DATA INDICATING SHOWERS AND THUNDERSTORMS HAVE MOVED INTO OUR WESTERN COUNTIES. SURFACE DEWPOINTS ACROSS WEST CENTRAL TEXAS CONTINUE AROUND 60. IN ADDITION...VIS SATELLITE IMAGERY INDICATING LOTS OF BLOWING DUST OR SAND ACROSS FAR WEST TEXAS AND SOUTHEASTERN NEW MEXICO. DAYS 1-3...MODELS PUSH SURFACE COLD FRONT THROUGH WEST CENTRAL TEXAS OVERNIGHT TONIGHT. ALTHOUGH BEST UPPER SUPPORT WILL BE NORTH OF OUR CWFA...BELIEVE SHOWERS AND THUNDERSTORMS WILL MOVE ACROSS WEST CENTRAL TEXAS THIS EVENING AS THE SURFACE BOUNDARY...FRONT OR DRYLINE...MOVES EAST. BEST POPS WILL BE OVER THE BIG COUNTRY WHICH IS CLOSER TO THE BEST UPPER DYNAMICS. POPS WILL END OVERNIGHT TONIGHT ACROSS WEST CENTRAL TEXAS. ANOTHER UPPER-LEVEL SYSTEM WILL PUSH INTO TEXAS LATER THIS WEEK. THUS...WILL CONTINUE LOW POPS FOR THURSDAY NIGHT AND FRIDAY. HOWEVER...MODELS DO NOT AGREE VERY WELL HERE. THUS...CONFIDENCE IS LOW. COOLER TEMPERATURES WILL DOMINATE ACROSS WEST CENTRAL TEXAS THROUGH THE END OF THE WEEK...AND NUMBERS CLOSE TO MAV MOS LOOK BEST. AS FOR WINDS...CURRENT METAR DATA AND MODEL DATA SUGGEST WINDS WILL INCREASE THIS EVENING AS THE SURFACE BOUNDARY PUSHES ACROSS WEST CENTRAL TEXAS. THUS...WILL ISSUE A WIND ADVISORY FOR ALL ZONES FOR TONIGHT. FOR TOMORROW...MODEL DATA INDICATE WEST WINDS WILL BE IN THE BREEZY RANGE. DAYS 1-4...NEXT SURFACE COLD FRONT WILL PUSH ACROSS WEST CENTRAL TEXAS SATURDAY. WILL CONTINUE SLIGHT CHANCE FOR SATURDAY. HOWEVER...BEST DYNAMICS WILL BE MAINLY NORTH. SO...CONFIDENCE REMAINS LOW FOR MEASURABLE RAIN SATURDAY. FOR SUNDAY THROUGH THE START OF NEXT WEEK...COOLER TEMPERATURES WILL DOMINATE. CCF PRELIMS... ABI 055/085/050/078/055 5000 SJT 055/085/050/083/058 3000 JCT 058/088/050/085/058 2000 .SJT...WIND ADVISORY ALL ZONES TONIGHT. 23/HUBER
Hazardous weather outlook, Apr 15, 2:41 PM CDT, 10 hours 49 minutes before
TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-140- 154-155-168>170-161030- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SAN ANGELO TX 241 PM CDT TUE APR 15 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST CENTRAL TEXAS. .DAY ONE... THERE IS A SLIGHT RISK FOR SEVERE THUNDERSTORMS MAINLY ACROSS THE BIG COUNTRY AND NORTHERN HALF OF THE CONCHO VALLEY THIS EVENING. THE SLIGHT RISK AREA IS NORTH OF A LINE FROM STERLING CITY TO SAN ANGELO TO BALLINGER AND CROSS PLAINS. A POTENT UPPER LEVEL DISTURBANCE WILL MOVE OUT OF THE SOUTHERN ROCKIES TOWARD THE SOUTHERN AND CENTRAL PLAINS THIS EVENING AS A DRYLINE ADVANCES EASTWARD TOWARD WEST CENTRAL TEXAS. SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP ALONG THE DRYLINE AND MAY BEGIN TO IMPACT THE BIG COUNTRY FROM ROTAN TO SWEETWATER AND STERLING CITY BY 600 PM. VERTICAL WIND SHEAR PROFILES WILL BE SUPPORTIVE OF SUPERCELL SEVERE STORMS. THE PRIMARY SEVERE WEATHER THREATS WILL BE LARGE HAIL AND DAMAGING WINDS...BUT ISOLATED TORNADOES WILL BE POSSIBLE. THE STORMS MAY ORGANIZE INTO A SQUALL LINE AND THEN PUSH EASTWARD ACROSS WEST CENTRAL TEXAS LATER TONIGHT...ESPECIALLY ACROSS THE BIG COUNTRY. IN ADDITION...EXPECT STRONG WINDS OF 30 MPH WITH GUSTS TO NEAR 40 COULD DEVELOP BEHIND THE DRYLINE...AND A WIND ADVISORY MAY BE REQUIRED THIS EVENING. .DAYS TWO THROUGH SEVEN... A DRYLINE AND UPPER LEVEL DISTURBANCE WILL BRING A SLIGHT CHANCE OF THUNDERSTORMS TO WEST CENTRAL TEXAS FRIDAY AND SATURDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED THIS EVENING. GUERRERO
In the hours before
Special weather statement, Apr 15, 8:20 PM CDT, 5 hours 10 minutes before
TXZ049-054-064-065-071-072-098-099-113-114-127-160315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANGELO TX 820 PM CDT TUE APR 15 2003 ...TORNADO WATCH IN EFFECT UNTIL 1100 PM CDT... ...STRONG WINDS GUSTING TO AROUND 55 MPH POSSIBLE THIS EVENING... AT 830 PM CDT...A LINE OF SEVERE THUNDERSTORMS EXTENED FROM 25 MILES NORTHWEST OF HASKELL AND CONTINUED NORTH TOWARDS THE RED RIVER. THIS LINE OF THUNDERSTORMS WAS MOVING SOUTHEAST AT 40 MPH. A SEVERE THUNDERSTORM WARNING MAY BE REQUIRED FOR HASKELL COUNTY. IN ADDITION...VERY STRONG WIND GUSTS TO AROUND 55 MPH WITH SOME DUST ARE POSSIBLE IMMEDIATELY BEHIND THE LINE OF SEVERE THUNDERSTORMS. THESE STRONG WIND GUSTS WILL LIKELY AFFECT THE AREA FROM HASKELL TO ROBY...TO SWEETWATER...TO STERLING CITY BETWEEN 830 AND 930 PM CDT.
Special weather statement, Apr 15, 9:20 PM CDT, 4 hours 10 minutes before
TXZ049-054-064>066-071>073-098-099-113-114-127-128-139-140-154- 160230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANGELO TX 920 PM CDT TUE APR 15 2003 THE TORNADO WATCH HAS BEEN CANCELLED FOR THE FOLLOWING COUNTIES IN WEST CENTRAL TEXAS... FISHER...JONES...SHACKELFORD...NOLAN...TAYLOR...CALLAHAN...STERLING ...COKE...RUNNELS...COLEMAN...BROWN...IRION...TOM GREEN...CONCHO...AND MCCULLOCH. ...THE TORNADO WATCH REMAINS IN EFFECT UNTIL 11 PM CDT...FOR THE FOLLOWING COUNTIES IN WEST CENTRAL TEXAS...HASKELL...AND THROCKMORTON. GUERRERO
The office that day
Everything else NWS San Angelo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 8:56 PM CDT | Tornado Warning | SJT | Haskell | 34 min |
| Apr 16, 12:58 AM CDT | Severe Thunderstorm Warning | SJT | Coleman | 32 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2003Every severe thunderstorm warning in 2003
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.