Alert archive / Texas / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 16, NWS Corpus Christi, TX
NWS Corpus Christi, TX issued this severe thunderstorm warning at Apr 8, 2003, 4:03 AM CDT for Duval County, McMullen 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 outline as issued.
The facts
- Issued
- Apr 8, 2003, 4:03 AM CDT (09:03 UTC)
- Expired
- Apr 8, 2003, 5:00 AM CDT
- In force
- 57 min
- Issued by
- NWS Corpus Christi, TX
- Area
- Counties, with a storm outline in the text
Counties Duval County, TX, McMullen County, TX
The radar
The Corpus Christi radar (KCRP), 115 km from the middle of the area, began a volume at 09:06 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.
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 00:00Z, 9.1 hours before the alert went out and 133 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
- 2344 J/kg
- Mixed-layer CIN
- -110 J/kg
- Mixed-layer LCL
- 640 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 72 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 1.8
The text
As transmitted, in the capitals the NWS used until 2016.
353 WUUS54 KCRP 080903 SVRCRP TXC131-311-081000- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CORPUS CHRISTI TX 403 AM CDT TUE APR 8 2003 THE NATIONAL WEATHER SERVICE IN CORPUS CHRISTI HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN DUVAL COUNTY IN TEXAS SOUTHERN MCMULLEN COUNTY IN TEXAS * UNTIL 500 AM CDT * AT 355 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 20 MILES WEST OF LOMA ALTA...OR ABOUT 27 MILES SOUTHWEST OF TILDEN...MOVING EAST AT 40 MPH. THIS SEVERE THUNDERSTORM IS CAPABLE OF PRODUCING... HAIL UP TO THE SIZE OF QUARTERS... WINDS UP TO 60 MILES AN HOUR... THIS STORM HAS A HISTORY OF PRODUCING DAMAGING WINDS AND LARGE HAIL. LAT...LON 2836 9881 2776 9881 2771 9832 2840 9837 $$ GW
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 Corpus Christi, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 8, 2:27 AM CDT, 1 hour 36 minutes earlier.
Area forecast discussion, Apr 8, 2:27 AM CDT, 1 hour 36 minutes before
COASTAL BEND FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
227 AM CDT TUE APR 8 2003
SHORT-TERM (TONIGHT THRU 00Z THU)...SEVERE THUNDERSTORM WATCH
CONTINUES FOR NW ZONES UNTIL 3AM MAINLY ALONG THE MOIST/INSTABILITY
AXIS WHICH WAS ORIENTED N-S ACROSS THE RIO GRAND PLAINS. BLV THE
WATCH WILL BE EXTENDED OUT WEST THRU THE AM HOURS CONSIDERING THE
RADAR TRENDS. FARTHER EAST...SFC MOISTURE DIVERGENCE WILL PREVENT
STORMS FROM BREAKING THE CAP. THUS WILL CONFIGURE SLGT CHC POPS EAST
TO GOOD CHC WEST THRU THE MORNING HOURS. SFC WINDS HAVE BACKED
AROUND TO THE NORTH IN RESPONSE TO SFC LOW DVLPG NEAR THE
COAST...HOWEVER MAIN COLD PUSH STILL HANGING BACK TO THE NORTH OF
OUR CWA AND WAITING FOR THE S/W TO PASS. FRONT SHOULD RACE OFF THE
COAST BEFORE 12Z WITH WIND GUSTS TO GALE FORCE. WILL GO AHEAD AND
ISSUE A WIND ADVISORY FOR THE COASTAL COUNTIES MAINLY FOR GUSTS OVER
35 MPH. WILL ISSUE A FIRE WX WATCH FOR ALL ZONES FOR THIS AFTN
CONSIDERING THE STRONG DRY ADVECTION EXPECTED. THERE IS STILL SOME
UNCERTAINTY IN THE RH VALUES WHICH WILL BE BASED ON HOW QUICKLY THE
CLOUDS CLEAR OUT THIS AFTN...THEREFORE WILL LET DAY SHIFT DECIDE
WHETHER TO UPGRADE TO A RED FLAG WARNING. MAIN POS TILT UPR TROF
WILL FINALLY SWING THRU AROUND BY 00Z WED REINFORCING THE CAA OVER
THE GULF WATERS THROUGH MOST OF WED.
LONG-TERM(00Z THU THRU MON)...WINDS WILL DROP OFF WED NIGHT AS SFC
RIDGE AXIS SETTLES OVER AREA. WITH CLEAR SKIES AND LOW DEWPOINTS
ANTICIPATE GOOD NOCTURNAL RADIATION. RECORD LOW OF 43 DEGREES AT CRP
WILL BE IN JEOPARDY. ANTICIPATE DRY WEATHER THROUGH REMAINDER
OF WEEK WITH TEMPERATURES WARMING EACH DAY. SRN JETSTREAM WILL
APPROACH DEEP SOUTH TEXAS AGAIN THU AFTERNOON AND COULD SEE SOME
CIRRUS THU/FRI. LOW LEVEL MOISTURE RETURNS SAT MORNING AS SFC
HIGH MOVES THROUGH NRN GULF. WILL HAVE TO WATCH WINDS SUN/MON AS GFS
INDICATES TIGHTENING PGF BETWEEN HIGH OVER NE GULF AND DEEPENING SFC
LOW OVER NRN PLAINS. NEXT CHANCE OF RAIN NOT UNTIL TUE WHEN WEST
COAST TROUGH MOVES EAST.
PRELIMINARY NUMBERS:
CRP NU 066/043 070/041 075 300
VCT EU 065/039 069/038 075 200
LRD EU 067/045 072/046 078 500
.CRP...SVR TSTM WATCH FOR TXZ229>231-239-240 THRU 3 AM.
SCA GMZ-230-235-250-255-270-275.
WIND ADVISORY TXZ242>247 THRU 5PM.
FIRE WEATHER WATCH FOR TODAY ALL ZONES.
75/JM...SHORT-TERM
76/JR...LONG-TERMHazardous weather outlook, Apr 7, 2:00 PM CDT, 14 hours 3 minutes before
TXZ229>234-239>247-081100- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE CORPUS CHRISTI TX 200 PM CDT MON APR 7 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH TEXAS. .DAY ONE...TODAY AND TONIGHT SCATTERED SHOWERS AND THUNDERSTORMS WILL DEVELOP LATE THIS AFTERNOON...MAINLY TO THE NORTH OF A COTULLA TO VICTORIA LINE. THESE THUNDERSTORMS COULD APPROACH SEVERE LIMITS AND PRODUCE HAIL AND STRONG WINDS. MORE SHOWERS AND THUNDERSTORMS WILL DEVELOP ALONG A COLD FRONT LATER TONIGHT AS IT PUSHES THROUGH THE AREA. SOME OF THESE STORMS COULD ALSO BE SEVERE. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY A CHANCE OF SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE EARLY TUESDAY. STRONG NORTHERLY WINDS WILL BUILD OVER THE AREA BEHIND THE COLD FRONT. SMALL CRAFT ADVISORY CONDITIONS ARE EXPECTED TUESDAY THROUGH WEDNESDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED THIS EVENING. AP/JR/TR
In the hours before
Special weather statement, Apr 7, 10:20 PM CDT, 5 hours 43 minutes before
TXZ229>231-239-240-080800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CORPUS CHRISTI TX 1020 PM CDT MON APR 7 2003 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 3 AM CDT... THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH VALID UNTIL 300 AM CDT TUESDAY MORNING. THE WATCH INCLUDES THE COUNTIES OF DUVAL...LA SALLE...LIVE OAK...MCMULLEN AND WEBB. SOME CITIES INCLUDED IN THE WATCH ARE BENAVIDES...COTULLA...ENCINAL... GEORGE WEST...LAREDO...THREE RIVERS AND TILDEN. A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS TO OCCUR IN OR NEAR THE WATCH AREA. SEVERE THUNDERSTORMS ARE CAPABLE OF PRODUCING LARGE HAIL THE SIZE OF A PENNY OR LARGER...STRONG WINDS OF 58 MPH OR GREATER AND EVEN TORNADOES. EMERGENCY MANAGERS AND SPOTTER GROUPS SHOULD BE PREPARED FOR POSSIBLE ACTIVATION. RESIDENTS ACROSS SOUTH TEXAS SHOULD REMAIN ALERT AND BE READY TO ACT QUICKLY IF THREATENING WEATHER APPROACHES YOUR AREA. IF SEVERE WEATHER THREATENS YOUR AREA...THEN MOVE TO AN INTERIOR ROOM AND LAY DOWN ON THE FLOOR. IF CAUGHT OUTSIDE...LAY FLAT DOWN ON THE GROUND...PREFERABLY IN A DITCH OR OTHER LOW SPOT. NEVER TRY TO OUTRUN SEVERE WEATHER. STAY TUNED TO NOAA WEATHER RADIO FOR ADDITIONAL STATEMENTS OR POSSIBLE WARNINGS REGARDING THIS DEVELOPING WEATHER SITUATION. GW
Special weather statement, Apr 8, 3:01 AM CDT, 1 hour 2 minutes before
TXZ229>231-239-240-080900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CORPUS CHRISTI TX 301 AM CDT TUE APR 8 2003 ...THE SEVERE THUNDERSTORM WATCH UNTIL 3 AM HAS EXPIRED... THE SEVERE THUNDERSTORM WATCH VALID UNTIL 300 AM CDT TUESDAY MORNING HAS EXPIRED. THE COUNTIES OF DUVAL...LA SALLE...LIVE OAK...MCMULLEN AND WEBB ARE NO LONGER IN THE WATCH. A FEW THUNDERSTORMS MAY STILL APPROACH SEVERE LIMITS THROUGH 5 AM...MAINLY OVER WEBB AND LASALLE COUNTIES. LARGE HAIL AND WIND GUSTS TO 60 MPH ARE POSSIBLE WITH ANY SEVERE THUNDERSTORM. STAY TUNED TO NOAA WEATHER RADIO FOR ADDITIONAL STATEMENTS OR POSSIBLE WARNINGS. GW
The office that day
Everything else NWS Corpus Christi, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 8, 3:11 AM CDT | Severe Thunderstorm Warning | CRP | La Salle | 49 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; radar from the NEXRAD Level II archive.