Alert archive / Texas / Severe Thunderstorm Warnings in 2004
Severe Thunderstorm Warning 52, NWS Corpus Christi, TX
NWS Corpus Christi, TX issued this severe thunderstorm warning at Apr 28, 2004, 9:30 PM CDT for La Salle County, Texas. It was in force for 45 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 28, 2004, 9:30 PM CDT (02:30 UTC)
- Expired
- Apr 28, 2004, 10:15 PM CDT
- In force
- 45 min
- Issued by
- NWS Corpus Christi, TX
- Area
- Counties, with a storm outline in the text
County La Salle County, TX
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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 28, 7:25 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 2.5 hours before the alert went out and 192 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
- 850 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 912 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 97 m²/s²
- 0-3 km storm-relative helicity
- 198 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 5.8
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS54 KCRP 290230
SVRCRP
TXC283-290315-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
929 PM CDT WED APR 28 2004
THE NATIONAL WEATHER SERVICE IN CORPUS CHRISTI HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
LA SALLE COUNTY IN TEXAS
* UNTIL 1015 PM CDT
* AT 927 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A SEVERE THUNDERSTORM 15 MILES WEST OF COTULLA...MOVING EAST AT 45
MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
7 MILES SOUTH OF WOODWARD AROUND 935 PM CDT...
OVER COTULLA AROUND 940 PM CDT...
OVER LOS ANGELES AROUND 955 PM CDT...
OVER FOWLERTON AROUND 1005 PM CDT...
THIS SEVERE THUNDERSTORM IS CAPABLE OF PRODUCING...
WINDS UP TO 60 MILES AN HOUR...
SEEK A STURDY SHELTER IMMEDIATELY
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 AM CDT
THURSDAY MORNING FOR TEXAS.
LAT...LON 2853 9930 2854 9882 2833 9882 2834 9922
2834 9939 2852 9939
$$
91What 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 28, 8:14 PM CDT, 1 hour 16 minutes earlier.
Area forecast discussion, Apr 28, 8:14 PM CDT, 1 hour 16 minutes before
SOUTH TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE CORPUS CHRISTI TX 814 PM CDT WED APR 28 2004 .DISCUSSION...UPDATED THE GRIDDED AND TEXT PRODUCTS TO REFLECT THE DEVELOPING LINE OF STORMS EXTENDING FROM SOUTH OF DRT TO AROUND 100 MILES TO THE WEST OF LAREDO. COORDINATED WITH SPC TO GO WITH A SVR TSTM WATCH UNTIL 06Z FOR THE RIO GRANDE PLAINS. MSAS AND SURROUNING RAOBS INDICATE MODERATE INSTABILITY ACROSS THIS AREA WITH ONLY A WK CAP IN PLACE. THE DRT SOUNDING INDICATED SR HELICITIES OF 170 M2/S2 WITH FAVORABLE DEEP LAYER SHEAR. A MORE CAPPED AND STABLE AIRMASS IS IN PLACE THE FURTHER EAST YOU GO. AS A RESULT...EXPECT CONVECTIVE ACTIVITY TO WEAKEN AS IT PUSHES INTO THE COASTAL BEND AND VICTORIA CROSSROADS AREA LATER TNT. ALL OF THIS ACTIVITY IS IN ASSOCIATION WITH A DECENT S/WV TROUGH AXIS EXTENDING FROM SW TX INTO NRN MEXICO. THIS S/WV WL SWEEP THROUGH TNT AND EXIT THE AREA ON THU. MUCH DRIER CONDITIONS ARE EXPECTED BEHIND IT. && .MARINE...BLV THE OVERALL GRADIENT ALONG WITH STORMS APPROACHING FROM THE WEST WL PUSH WINDS INTO MARGINAL SCA LVLS FOR THE NEARSHORE AND OFFSHORE WATERS. MAY SEE A FEW SRN BAY LOCATIONS PUSH 20 KTS BUT OVERALL THINK SCEC WL BE SUFFICIENT. && .CRP WATCHES/WARNINGS/ADVISORIES... SMALL CRAFT ADVISORY FOR THE NEARSHORE AND OFFSHORE WATERS. SEVERE THUNDERSTORM WATCH FOR THE RIO GRANDE PLAINS UNTIL 100 AM. && MB
Hazardous weather outlook, Apr 28, 6:00 AM CDT, 15 hours 30 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE CORPUS CHRISTI TX 600 AM CDT WED APR 28 2004 GMZ230-235-250-255-270-275-TXZ229>234-239>247-291100- BAYS AND WATERWAYS FROM BAFFIN BAY TO PORT ARANSAS- BAYS AND WATERWAYS FROM PORT ARANSAS TO PORT OCONNOR- COASTAL WATERS BAFFIN BAY TO PORT ARANSAS OUT 20 NM- COASTAL WATERS PORT ARANSAS TO MATAGORDA SHIP CHANNEL OUT 20 NM- WATERS BAFFIN BAY TO PORT ARANSAS 20 TO 60 NM- WATERS PORT ARANSAS TO MATAGORDA SHIP CHANNEL 20 TO 60 NM- ARANSAS-BEE-CALHOUN-DUVAL-GOLIAD-JIM WELLS-KLEBERG-LA SALLE-LIVE OAK- MCMULLEN-NUECES-REFUGIO-SAN PATRICIO-VICTORIA-WEBB- 600 AM CDT WED APR 28 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH TEXAS. .DAY ONE...TODAY AND TONIGHT THERE WILL BE A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS TONIGHT AS AN UPPER LEVEL DISTURBANCE CROSSES TEXAS. THIS ACTIVITY IS EXPECTED TO REMAIN BELOW SEVERE LIMITS. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY THERE IS A SLIGHT CHANCE FOR SHOWERS OR THUNDERSTORMS OVER THE VICTORIA CROSSROADS THURSDAY MORNING. THE CHANCES FOR THUNDERSTORMS WILL IMPROVE SLIGHTLY ON FRIDAY AS MOISTURE INCREASES OVER THE AREA PROVIDING AN INCREASINGLY UNSTABLE AIRMASS. ISOLATED TO SCATTERED STRONG THUNDERSTORMS COULD DEVELOP DURING THE AFTERNOON HOURS ON FRIDAY. A COLD FRONT WILL MOVE THROUGH THE HILL COUNTRY SATURDAY MORNING AND INTO THE COASTAL BEND SATURDAY AFTERNOON. SCATTERED SHOWERS AND THUNDERSTORMS WILL FORM OVER SOUTH TEXAS IN ADVANCE OF THE COLD FRONT SATURDAY AND CONTINUE BEHIND THE FRONT SATURDAY NIGHT. LOCALLY HEAVY RAIN MAY OCCUR WITH THIS ACTIVITY SATURDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. JR/TMT
In the hours before
Special weather statement, Apr 28, 7:30 PM CDT, 2 hours before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CORPUS CHRISTI TX 730 PM CDT WED APR 28 2004 TXZ229-230-239-240-290600- DUVAL-LA SALLE-MCMULLEN-WEBB- 730 PM CDT WED APR 28 2004 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 1 AM CDT... THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH VALID UNTIL 100 AM CDT THURSDAY MORNING. THE WATCH INCLUDES THE COUNTIES OF DUVAL...LA SALLE...MCMULLEN AND WEBB. SOME CITIES INCLUDED IN THE WATCH ARE BENAVIDES...COTULLA...ENCINAL...LAREDO 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. 91
Nearby
Severe Thunderstorm Warnings in Texas, 2004Every severe thunderstorm warning in 2004
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.