Alert archive / Texas / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 36, NWS Brownsville, TX
NWS Brownsville, TX issued this severe thunderstorm warning at Jun 13, 2003, 9:48 PM CDT for Zapata County, Texas. It was in force for 42 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
- Jun 13, 2003, 9:48 PM CDT (02:48 UTC)
- Expired
- Jun 13, 2003, 10:30 PM CDT
- In force
- 42 min
- Issued by
- NWS Brownsville, TX
- Area
- Counties, with a storm outline in the text
County Zapata 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 00:00Z, 2.8 hours before the alert went out and 202 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
- 3720 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 849 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 71 m²/s²
- 0-3 km storm-relative helicity
- 56 m²/s²
- Significant tornado parameter
- 1.7
- Supercell composite
- 6.3
The text
As transmitted, in the capitals the NWS used until 2016.
009
WUUS54 KBRO 140248
SVRBRO
TXC505-140330-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
946 PM CDT FRI JUN 13 2003
THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN ZAPATA COUNTY IN DEEP SOUTH TEXAS
* UNTIL 1030 PM CDT
* AT 943 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM OVER NORTHWEST ZAPATA COUNTY. THIS STORM WAS
LOCATED 12 MILES NORTHEAST OF SAN YGNACIO...AND MOVING SOUTHEAST AT
10 MPH.
* THE SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF...
ZAPATA COUNTY.
DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.
LAT...LON 2726 9943 2706 9944 2692 9931 2705 9903
2726 9903
$$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 Jun 13, 9:10 PM CDT, 38 minutes earlier.
Area forecast discussion, Jun 13, 9:10 PM CDT, 38 minutes before
DEEP SOUTH TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE BROWNSVILLE TX 910 PM CDT FRI JUN 13 2003 SHORT TERM...WV IMAGERY SHOWS VORT LOBE APPROACHING FROM WEST TX. THIS IS HELPING TO GENERATE IMPRESSIVE LINE OF CONVECTION TO THE NW OF THE CWA. GFS SEEMS TO HAVE THE BEST HANDLE ON THIS SYS. BELIEVE H5 DYNAMICS ARE A BIT STRONGER THAN GFS INDICATES. WILL BEEF UP POPS OVER THE NWRN CWA. WILL ADD LOCALLY SEVERE WORDING TO FIRST PERIOD. GFS PICKS UP ON SIERRA MADRE RAIN SHADOW...BUT MCS MAY BECOME STRONG ENOUGH TO OVERSPREAD THE ENTIRE LRGV. FOR NOW WILL LEAVE OUT POPS OVER THE LOWER RIO GRANDE VALLEY DUE TO THE RAIN SHADOW. BELIEVE PATTERN CHANGE OF H5 TROF DIGGING IN TO TX IS BEGINNING TO GET UNDERWAY...IN ACCORDANCE WITH MODEL GUIDANCE CONSENSUS. BEST CHANCES DURING THE NEXT FEW DAYS FOR CONVECTION WILL BE OUT WEST WITH HIGHER PM CAPES. TEMP GRIDS LOOK GOOD. HAVE TWEAKED POPS TO MORE CLOSELY ALIGN WITH DIURNAL HEATING AND LOWERED POPS SUN WITH H5 LOW/SFC BNDRY PROGGED BY GFS TO THE N OF THE CWA. MESOETA HAS BEEN TOO AGGRESSIVE OF LATE IN DEVELOPING CONVECTIVE SYSTEMS SO WILL DISREGARD NW FLOW SOLUTION FOR SUN PM. IF MODELS CONVERGE TO THIS SOLUTION IN LATER RUNS WILL HAVE TO UPDATE ZFP ACCORDINGLY. LONG TERM...WILL TAPER POPS OFF BEGINNING WED AS GFS PROGS H5 TROF TO LIFT OUT TO THE NE. MARINE...SURFACE RIDGE OVER THE NORTHERN GULF OF MEXICO COMBINED WITH A THERMAL TROUGH OVER WEST TEXAS WILL MAINTAIN MODERATE TO STRONG ONSHORE FLOW THROUGH THE WEEKEND. AMPLIFYING UPPER LEVEL JET EARLY NEXT WEEK WILL PLACE A TROUGH OVER SOUTHEAST TEXAS WITH THE POSSIBILITY OF SCATTERED SHOWERS AND THUNDERSTORMS THROUGH MIDWEEK. AVIATION...MVR WITH CEILINGS LOWERING WITH MOISTURE POOLING TO THE S OF MCS NEAR NWRN CWA. BEST CHANCES OF SHRA/TSRA WILL BE AT MFE... WILL HOLD OFF IN PLACING IN TAF AS SOUTHWARD PROGRESS OF MCS HAS SLOWED TO THE S OF LRD. PRELIMINARY NUMBERS FOR COORDINATION PURPOSES ONLY... BRO BB 081/093 081/093 081 00/10/10/00/00 HRL BB 081/095 081/095 081 00/10/10/00/00 MFE BB 080/098 080/098 080 20/10/10/00/00 RGC BB 077/103 077/103 077 50/20/20/00/30 SPI BB 082/092 082/092 082 00/10/10/00/00 SYNOPTIC/GRIDS...MCELROY/STRAUB AVIATION/MARINE...VANSPEYBROECK MESO...MARTINEZ .BRO...NONE. THIS PRODUCT IS ALSO AVAILABLE ON OUR INTERNET WEB PAGE AT: HTTP://WWW.SRH.NOAA.GOV/BRO
Hazardous weather outlook, Jun 13, 9:30 PM CDT, 18 minutes before
TXZ248>257-141100- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BROWNSVILLE TX 930 PM CDT FRI JUN 13 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR DEEP SOUTH TEXAS. .DAY ONE...TONIGHT. A LINE OF STRONG THUNDERSTORMS IS MOVING EASTWARD ACROSS SOUTH TEXAS. SOME OF THESE STORMS COULD BECOME SEVERE WITH DAMAGING WINDS...HEAVY RAINFALL AND FREQUENT LIGHTNING AS THEY MOVE ACROSS ZAPATA...JIM HOGG AND BROOKS COUNTIES. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY. SHOWERS AND THUNDERSTORMS ARE POSSIBLE SUNDAY THROUGH WEDNESDAY. SOME OF THESE THUNDERSTORMS MAY PRODUCE STRONG WINDS...BRIEF HEAVY RAIN AND OCCASIONAL LIGHTNING. .SPOTTER INFORMATION STATEMENT. SPOTTER ACTIVATION MAY BE NEEDED TONIGHT FOR JIM HOGG...BROOKS AND KENEDY COUNTIES. STRAUB/MCELROY
In the hours before
Special weather statement, Jun 13, 8:14 PM CDT, 1 hour 34 minutes before
TXZ248>250-140200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BROWNSVILLE TX 814 PM CDT FRI JUN 13 2003 ...SEVERE THUNDERSTORMS APPROACHING ZAPATA...JIM HOGG AND NORTHERN BROOKS COUNTIES THIS EVENING... A SEVERE THUNDERSTORM COMPLEX OVER THE RIO GRANDE PLAINS CONTINUES MOVE SLOWLY EAST SOUTHEAST TOWARD ZAPATA...JIM HOGG AND NORTHERN BROOKS COUNTIES IN DEEP SOUTH TEXAS. NATIONAL WEATHER SERVICE RADAR INDICATES SHOWERS AND THUNDERSTORMS CONTINUE TO INCREASE OVER NORTHWEST ZAPATA COUNTY. THESE STORMS WILL LIKELY EXPAND INTO JIM HOGG COUNTY BY 9 PM CDT AND INTO BROOKS COUNTY BY 10 PM CDT. DAMAGING WINDS AND LARGE HAIL COMBINED WITH INTENSE RAINFALL ARE LIKELY WITH THIS THUNDERSTORM COMPLEX AS IT PROPAGATES THROUGH DEEP SOUTH TEXAS TONIGHT. KMV
The office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 13, 10:19 PM CDT | Tornado Warning | BRO | Brooks | 26 min |
| Jun 13, 10:37 PM CDT | Severe Thunderstorm Warning | BRO | Jim Hogg | 23 min |
| Jun 13, 10:54 PM CDT | Tornado Warning | BRO | Brooks | 36 min |
| Jun 13, 11:02 PM CDT | Tornado Warning | BRO | Starr | 43 min |
| Jun 14, 12:07 AM CDT | Tornado Warning | BRO | Hidalgo | 23 min |
| Jun 14, 3:10 AM CDT | Severe Thunderstorm Warning | BRO | Jim Hogg, Starr, Zapata | 40 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.