Alert archive / Texas / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 8, NWS Brownsville, TX
NWS Brownsville, TX issued this severe thunderstorm warning at Apr 8, 2003, 8:15 AM CDT for Hidalgo County, Texas. It was in force for 60 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, 8:15 AM CDT (13:15 UTC)
- Expired
- Apr 8, 2003, 9:15 AM CDT
- In force
- 60 min
- Issued by
- NWS Brownsville, TX
- Area
- Counties, with a storm outline in the text
County Hidalgo County, TX
The radar
The Brownsville radar (KBRO), 94 km from the middle of the area, began a volume at 13:18 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
Brownsville Intl, TX (KBRO), launched 12:00Z, 1.3 hours before the alert went out and 96 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
- 1499 J/kg
- Mixed-layer CIN
- -124 J/kg
- Mixed-layer LCL
- 583 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- -3 m²/s²
- 0-3 km storm-relative helicity
- 212 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
038 WUUS54 KBRO 081315 SVRBRO TXC215-081415- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BROWNSVILLE TX 815 AM CDT TUE APR 8 2003 THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN HIDALGO COUNTY IN DEEP SOUTH TEXAS * UNTIL 915 AM CDT * AT 808 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM THIS STORM WAS LOCATED NEAR PENITAS...OR 10 MILES WEST OF MISSION...AND MOVING EAST AT 35 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... PALMVIEW BY 820 AM CDT. MISSION BY 825 AM CDT. MCALLEN...HIDALGO BY 830 AM CDT. THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER... PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS. IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. HAIL FROM THIS STORM...UP TO AN INCH IN DIAMETER...HAS BEEN REPORTED JUST SOUTH OF SULLIVAN CITY IN SOUTHWEST HIDALGO COUNTY IF YOU ARE IN THE PATH OF THE STORM...TAKE IMMEDIATE ACTION TO PROTECT LIFE AND PROPERTY. LAT...LON 2633 9856 2615 9859 2603 9789 2627 9788 $$ 59
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 Brownsville, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 8, 3:00 AM CDT, 5 hours 15 minutes earlier.
Area forecast discussion, Apr 8, 3:00 AM CDT, 5 hours 15 minutes before
DEEP SOUTH TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE BROWNSVILLE TX 300 AM CDT TUE APR 8 2003 DISCUSSION...SCATTERED CONVECTION MOVING OFF THE SIERRA MADRE ORIENTAL MOUNTAINS IN NE MEXICO THIS MORNING...BUT PRECIP AMOUNTS IN CWFA ARE LIGHT. CONVECTION NOT STRENGTHENING SIGNIFICANTLY AS IT MOVES INTO CAPPED AREA...BUT ISOLATED CELLS SHOWING A BIT MORE DEVELOPMENT TO THE SOUTH AND OFFSHORE...AND COULD MOVE INTO THE AREA LATER. PER PHONE DISCUSSION WITH SPC...NOT CURRENTLY EXPECTING A MAJOR SEVERE OUTBREAK...AS ASCENT ASSOCIATED WITH THE FRONT ALONG A LINE APPROACHING COT NOT DEVELOPING STRONG CONVECTION. RECENT RADAR SHOWS FRONT ON THE MOVE AGAIN TOWARD COT WITH SOME ISOLATED STRONGER CELLS. THINGS COULD DETERIORATE AS THE FRONT PUSHES TOWARD BRO IN THE EARLY MORNING...SO WILL CONTINUE TO MONITOR. ISOLATED CONVECTION MAY LINGER INTO AFTERNOON...BUT STRONG HIGH PRESSURE WILL BUILD IN QUICKLY BEHIND THE FRONT AND RAPID CLEARING SHOULD OCCUR TONIGHT. THIS QUICK CLEARING WAS INTRODUCED WITH YESTERDAY AFTERNOONS PACKAGE. HOWEVER...DESPITE CLEAR SKIES FROM WEDNESDAY THROUGH THE END OF THE WEEK...TEMPERATURES WILL BE COOLER THAN NORMAL FOR THIS TIME OF THE YEAR. SUBSIDENT AIRMASS TO PREVAIL THURSDAY WITH A 500 MB TROUGH OVER THE SOUTHEAST UNITED STATES PROVIDING NORTHWEST FLOW ALOFT ACROSS SOUTH TEXAS. A HIGH PRESSURE RIDGE OVER DEEP SOUTH TEXAS WILL SHIFT OVER THE WESTERN GULF OF MEXICO FRIDAY WITH RETURN FLOW DEVELOPING. LIGHT TO MODERATE SOUTHEAST WINDS EXPECTED SATURDAY BECOMING BREEZY SUNDAY AND CONTINUING MONDAY. MARINE...AT 1 AM BUOY020 REPORTED N WINDS 6 KTS WITH GUSTS TO 12 KTS AND SEAS 4 FEET AT 7 SEC. OVER PREV 3 HRS...WINDS HAVE BEEN LIGHT AND VRBL WITH SEAS STEADY UNDER WEAK SPG AS STRONG COLD FRONT MOVG ACRS CNTRL TX TWD THE COAST. SCT/NMRS CONVECTION EXPECTED THIS AM...SOME PSBLY SVR. BLDG SEAS DUE TO STRONG N WINDS IN WAKE OF FRONT WILL NECESSITATE SCA TDA...AND LIKELY THRU WED AM AS SFC RIDGE MAINTAINS TIGHT SPG. SFC WINDS VEER TO SE ON THU...AS RIDGE AXIS MOVES OVER NW GULF. ON FRI...NEXT H5 TROUGH APRCHS PAC NW AS MDT SE FLOW CONTINUES. BY SAT...SPG TIGHTENS BTWN RIDGE OVER GULF AND SFC TROUGHING OVER W TX...INCRG SE WINDS TO SCEC LEVEL OVR BAY AND OFFSHORE. AVIATION...MVFR TO IFR COND EXPECTED TONIGHT THRU SUNRISE...DUE TO VSBY AND CIGS WITH SHRA/+TSRA AND G30KTS...AS COLD FRONT MOVES ACRS DPSOTEX. AFTER FROPA...EXPECT MVFR DUE TO CIGS WITH -RA/-SHRA AND G25KTS...BECMG VFR BY MID AFTN. CLEARING LATE TONIGHT...AS H5 TROUGH AXIS MOVES INTO DPSOTEX VEERING MID LVL WINDS TO NW. PRELIMINARY NUMBERS FOR COORDINATION PURPOSES ONLY... BRO TU 069/049 070/047 075 40/10/00/00/00 HRL TU 070/047 072/045 077 40/10/00/00/00 MFE TU 071/048 074/048 078 40/10/00/00/00 RGC WU 068/047 075/048 080 40/10/00/00/00 SPI TU 069/050 070/049 072 40/10/00/00/00 .BRO...SCA GMZ130-150-155-170-175. 54/63/59 THIS PRODUCT IS ALSO AVAILABLE ON OUR INTERNET WEB PAGE AT: HTTP://WWW.SRH.NOAA.GOV/BRO
Hazardous weather outlook, Apr 8, 6:00 AM CDT, 2 hours 15 minutes before
TXZ248>257-091100- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BROWNSVILLE TX 600 AM CDT TUE APR 8 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR DEEP SOUTH TEXAS. .DAY ONE...TODAY AND TONIGHT. ISOLATED SEVERE THUNDERSTORMS ARE POSSIBLE THIS MORNING...AS A STRONG COLD FRONT MOVES ACROSS DEEP SOUTH TEXAS EARLY THIS MORNING...FOLLOWED BY AN UPPER LEVEL SYSTEM. STRONG NORTH WINDS IN THE WAKE OF THIS FRONT WILL REQUIRE SMALL CRAFT ADVISORIES FOR THE BAY AND COASTAL WATERS TODAY AND WEDNESDAY. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. NO SEVERE WEATHER IS EXPECTED. .SPOTTER INFORMATION STATEMENT. SPOTTER ACTIVATION MAY BE REQUIRED THIS MORNING. 59
In the hours before
Special weather statement, Apr 8, 6:46 AM CDT, 1 hour 29 minutes before
TXZ252-081300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BROWNSVILLE TX 646 AM CDT TUE APR 8 2003 ...A STRONG THUNDERSTORM IS HEADING FOR SOUTHWESTERN STARR COUNTY... STRONG THUNDERSTORMS HAVE DEVELOPED OVER NORTHERN COAHUILA MEXICO EARLY THIS MORNING. ONE OF THESE STORMS IS MOVING INTO SOUTHWESTERN STARR COUNTY AT 35 MPH. PERSONS IN SOUTHERN STARR COUNTY SHOULD BE ALERT FOR BRIEF VERY HEAVY RAIN...SMALL HAIL...WIND GUSTS TO 40 MPH AND DANGEROUS LIGHTNING WITH THIS STORM...DURING THE NEXT HOUR. 59
Local storm report, Apr 8, 7:57 AM CDT, 18 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
0757 AM CDT TUE APR 08 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0725 AM 5 NNW RIO GRANDE CITY TX 60 MPH TSTORM WIND
04/08/03 STARR DOWNED POWER LINES
BHMLocal storm report, Apr 8, 8:05 AM CDT, 10 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
0805 AM CDT TUE APR 08 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0804 AM 1 S SULLIVAN CITY TX 1.00 IN HAIL
04/08/03 HIDALGO MAYOR OF SULLIVAN CITY
REPORT
BHMThe office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 8, 7:36 AM CDT | Severe Thunderstorm Warning | BRO | Hidalgo, Starr | 39 min |
| Apr 8, 8:31 AM CDT | Tornado Warning | BRO | Hidalgo | 29 min |
| Apr 8, 8:55 AM CDT | Severe Thunderstorm Warning | BRO | Cameron, Hidalgo | 35 min |
| Apr 8, 9:26 AM CDT | Severe Thunderstorm Warning | BRO | Cameron | 34 min |
| Apr 8, 9:40 AM CDT | Tornado Warning | BRO | Cameron | 20 min |
| Apr 8, 9:43 AM CDT | Special Marine Warning | BRO | 2 hr | |
| Apr 8, 9:43 AM CDT | Special Marine Warning | BRO | 2 hr | |
| Apr 8, 9:59 AM CDT | Tornado Warning | BRO | Cameron | 31 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.