Alert archive / Texas / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 9, NWS Brownsville, TX
NWS Brownsville, TX issued this severe thunderstorm warning at Apr 8, 2003, 8:55 AM CDT for Cameron County, Hidalgo County, Texas. It was in force for 35 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, 8:55 AM CDT (13:55 UTC)
- Expired
- Apr 8, 2003, 9:30 AM CDT
- In force
- 35 min
- Issued by
- NWS Brownsville, TX
- Area
- Counties, with a storm outline in the text
Counties Cameron County, TX, Hidalgo County, TX
The radar
The Brownsville radar (KBRO), 32 km from the middle of the area, began a volume at 13:58 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.
The nearest sounding before it
Brownsville Intl, TX (KBRO), launched 12:00Z, 1.9 hours before the alert went out and 34 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.
812 WUUS54 KBRO 081355 SVRBRO TXC061-215-081430- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BROWNSVILLE TX 854 AM CDT TUE APR 8 2003 THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHWESTERN CAMERON COUNTY IN DEEP SOUTH TEXAS * UNTIL 930 AM CDT * AT 853 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM THIS STORM WAS LOCATED 8 MILES SOUTHEAST OF PROGRESO...OR 10 MILES SOUTH OF MERCEDES...AND MOVING EAST AT 50 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... BROWNSVILLE BY 920 AM CDT. 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. 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. LAT...LON 2612 9795 2595 9801 2575 9740 2597 9732 $$
The 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, 8:15 AM CDT | Severe Thunderstorm Warning | BRO | Hidalgo | 60 min |
| Apr 8, 8:31 AM CDT | Tornado Warning | BRO | Hidalgo | 29 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.