Alert archive / Texas / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 29, NWS Brownsville, TX
NWS Brownsville, TX issued this severe thunderstorm warning at May 22, 2003, 6:40 PM CDT for Brooks County, Texas. It was in force for 50 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
- May 22, 2003, 6:40 PM CDT (23:40 UTC)
- Expired
- May 22, 2003, 7:30 PM CDT
- In force
- 50 min
- Issued by
- NWS Brownsville, TX
- Area
- Counties, with a storm outline in the text
County Brooks 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 nearest sounding before it
Corpus Christi, TX (KCRP), launched 12:00Z, 11.7 hours before the alert went out and 109 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
- 606 J/kg
- Mixed-layer CIN
- -68 J/kg
- Mixed-layer LCL
- 613 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 78 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KBRO 222340 SVRBRO TXC047-230030- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BROWNSVILLE TX 639 PM CDT THU MAY 22 2003 THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EASTERN BROOKS COUNTY IN DEEP SOUTH TEXAS * UNTIL 730 PM CDT * AT 638 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A SEVERE THUNDERSTORM. WINDS OF 60 MPH AND HAIL ONE HALF OF AN INCH IN DIAMETER WAS OBSERVED. THIS STORM WAS LOCATED 10 MILES SOUTHWEST OF FALFURRIAS...AND MOVING SOUTHEAST AT 10 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... ENCINO BY 725 PM CDT. LAT...LON 2722 9824 2707 9835 2685 9804 2706 9798 $$ MI
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 May 22, 3:30 PM CDT, 3 hours 10 minutes earlier.
Area forecast discussion, May 22, 3:30 PM CDT, 3 hours 10 minutes before
DEEP SOUTH TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE BROWNSVILLE TX 330 PM CDT THU MAY 22 2003 VISIBLE SATELLITE IMAGERY INDICATES THAT ONE OR TWO CELLS OF DEEP CONVECTION PERSIST BETWEEN DEL RIO AND LAREDO EXTENDING EAST TO COTULLA. THESE STORMS WERE MOVING TOWARD THE SOUTHEAST PARALLELING THE RIO GRANDE. THERE WAS ALSO AN AREA OF STORMS ABOUT 75 MILES SOUTH OF RIO GRANDE CITY MOVING IN A SIMILAR DIRECTION AND WEAKENING. THUS...INSTABILITY IS STILL PRESENT IN AREAS AROUND DEEP SOUTH TEXAS. MODEL COMPARISONS DEPICT A SMILE-SHAPED MID-LEVEL SHORT WAVE STILL IN THE PROCESS OF MOVING ACROSS THE DEEP SOUTH FROM NORTH TO SOUTH. THE ZERO VORTICITY LINE APPEARS TO REACH THE MEXICO BORDER AROUND 06Z FRIDAY MORNING...KEEPING A CHANCE FOR ISOLATED SHOWERS IN THE FORECAST TIL THEN. THIS SHORTWAVE APPEARS TO BE THE LAST COHERENT FEATURE TO AFFECT THE AREA THROUGH THE WEEKEND... ALTHOUGH AN ASSORTMENT OF SMALL VORT MAXES STILL PASS THROUGH THE REGION ON THE NORTHWEST FLOW DURING THAT TIME. UNFORTUNATELY FOR LOCAL RAINFALL ENTHUSIASTS...RH VALUES OF GREATER THAN 70 PERCENT FROM SFC-600MB WILL ONLY BE AVAILABLE THROUGH 06Z ACCORDING TO AN AVN X-SECTION FOR BRO. RELATIVE HUMIDITY VALUES AT +700 MB DECREASE BELOW 50 PERCENT AS OF 18Z FRIDAY...SLAMMING THE DOOR SHUT ON ANY CHANCES FOR MORE RAIN. THEN A RETURN TO SOUTH OR SOUTHEAST FLOW OCCURS BY SUNDAY MORNING AND TEMPERATURES CLIMB ABOVE NORMAL ONCE AGAIN FOR THE EXTENDED PERIOD. MARINE...AT 2 P.M. BUOY 020 REPORTED EAST WINDS AT 12 KNOTS WITH GUSTS TO 14 KNOTS AND SEAS AT 3 FEET 5 SECONDS. LIGHT TO MODERATE EAST WINDS WILL CONTINUE ACROSS THE LOWER TEXAS COASTAL WATERS. ISOLATED SHOWERS MAY OCCUR DUE TO THE ABUNDANT MOISTURE ACROSS THE AREA. HIGH PRESSURE WILL BUILD IN FROM THE GULF TONIGHT RESULTING IN THE CONTINUATION OF EASTERLY WINDS THROUGH FRIDAY. A LOW PRESSURE SYSTEM WILL DEVELOP OVER THE GREAT PLAINS LATE IN THE WEEKEND PRODUCING MODERATE SOUTH TO SOUTHEASTERLY WINDS ACROSS THE MARINE AREAS. AVIATION...VFR CONDITIONS WITH LIGHT EASTERLY WINDS ARE REPORTED ACROSS THE CWA THIS AFTERNOON. VFR CONDITIONS WILL PREVAIL THROUGH THIS EVENING. MVFR CONDITIONS ARE EXPECTED OVERNIGHT DUE TO A LOWERING OF CEILING HEIGHTS WITH LIGHT VARIABLE WINDS. LIGHT PATCHY FOG OR HAZE MAY OCCUR NEAR SUNRISE. PRELIMINARY NUMBERS FOR COORDINATION PURPOSES ONLY... BRO EB 072/091 070/090 071/091 10/00/00/00/00/00 HRL EB 072/089 072/089 071/091 10/00/00/00/00/00 MFE EB 071/092 070/091 071/093 10/00/00/00/00/00 RGC EB 072/091 072/091 072/094 10/00/00/00/00/00 SPI EB 074/086 075/087 075/087 10/00/00/00/00/00 .BRO...NONE. SYNOPTIC...53/69 MARINE-AVIATION...63 MESO...VEGA THIS PRODUCT IS ALSO AVAILABLE ON OUR INTERNET WEB PAGE AT: HTTP://WWW.SRH.NOAA.GOV/BRO
Hazardous weather outlook, May 22, 6:00 AM CDT, 12 hours 40 minutes before
TXZ248>257-231000- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BROWNSVILLE TX 600 AM CDT THU MAY 22 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR DEEP SOUTH TEXAS. .TODAY AND TONIGHT. A MINOR DISTURBANCE MOVING THROUGH DEEP SOUTH TEXAS TODAY COULD CAUSE SOME SCATTERED SHOWERS OR THUNDERSTORMS. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH THURSDAY. NO HAZARDOUS WEATHER IS EXPECTED. .SPOTTER INFORMATION STATEMENT. SPOTTER ACTIVATION IS NOT EXPECTED TODAY AND TONIGHT. 65
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.