Alert archive / Texas / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 3, NWS Brownsville, TX
NWS Brownsville, TX issued this severe thunderstorm warning at Apr 3, 1997, 9:27 PM CST for Starr County, Texas. It was in force for 63 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Apr 3, 1997, 9:27 PM CST (03:27 UTC)
- Expired
- Apr 3, 1997, 10:30 PM CST
- In force
- 63 min
- Issued by
- NWS Brownsville, TX
- Area
- Whole counties
County Starr County, TX
The radar
The Brownsville radar (KBRO), 150 km from the middle of the area, began a volume at 03:28 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 00:00Z, 3.5 hours before the alert went out and 152 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
- 1531 J/kg
- Mixed-layer CIN
- -122 J/kg
- Mixed-layer LCL
- 749 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 18 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 2.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBRO 040328 RRA SVRBRO TXC427-040430- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BROWNSVILLE TX 927 PM CST THU APR 3 1997 THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1030 PM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS...... IN SOUTH TEXAS ...STARR COUNTY AT 925 PM...BROWNSVILLE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES SOUTH OF ROMA MOVING NORTH NORTHEAST AT 25 MPH. THIS SEVERE THUNDERSTORM WILL BE PASSING OVER SOUTHERN STARR COUNTY...NEAR ROMA DURING THE NEXT HALF HOUR. WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DON'T USE TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.
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 3, 8:31 PM CST, 56 minutes earlier.
Area forecast discussion, Apr 3, 8:31 PM CST, 56 minutes before
DEEP SOUTH TEXAS FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE BROWNSVILLE TX 830 PM CST FRI APR 4 1997 PLS INCREASE POPS CWA TO 30 PERCENT BASED ON CURRENT 88-D. WINDS HAVE DIED OFF MORE THAT XPECTED AN CEILING IS DROPPING AND VSBY DROPPING IN BR. MIGHT DROP WINDY IN FCST AND ADD "SCATTERED PATCHES OF FOG" AS IT LOOKS AS IF WE'LL BE SOCKED IN SHORTLY. REMAINDER OF FCST OK. 61
In the hours before
Special weather statement, Apr 3, 8:48 PM CST, 39 minutes before
TXZ248-249-250-251-252-253-254-255-040445- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BROWNSVILLE TX 848 PM CST THU APR 3 1997 ....THUNDERSTORMS ARE DEVELOPING OVER DEEP SOUTH TEXAS AND ADJACENT MEXICO... SHOWERS AND THUNDERSTORMS ARE DEVELOPING QUICKLY OVER EXTREME WESTERN COUNTIES OF DEEP SOUTH TEXAS AND ADJACENT MEXICO. THESE SHOWERS AND THUNDERSTORMS WILL BE PASSING OVER THE INLAND COUNTIES OF DEEP SOUTH TEXAS THIS EVENING. STRONG GUSTY WINDS...ALONG WITH DANGEROUS LIGHTNING AND SOME SMALL HAIL ARE POSSIBLE WITH THESE THUNDERSTORMS. ALSO...THE ATMOSPHERE IS UNSTABLE ENOUGH THIS EVENING TO ALLOW FURTHER DEVELOPMENT. PERSONS IN DEEP SOUTH TEXAS SHOULD REMAIN ALERT TO QUICKLY CHANGING WEATHER CONDITIONS THIS EVENING. CONTINUE TO MONITOR NOAA WEATHER RADIO...COMMERCIAL RADIO...TELEVISION AND CABLE...FOR WEATHER INFORMATION.
Special weather statement, Apr 3, 8:49 PM CST, 38 minutes before
TXZ248-249-250-251-252-253-254-255-040445- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BROWNSVILLE TX 848 PM CST THU APR 3 1997 ....THUNDERSTORMS ARE DEVELOPING OVER DEEP SOUTH TEXAS AND ADJACENT MEXICO... SHOWERS AND THUNDERSTORMS ARE DEVELOPING QUICKLY OVER EXTREME WESTERN COUNTIES OF DEEP SOUTH TEXAS AND ADJACENT MEXICO. THESE SHOWERS AND THUNDERSTORMS WILL BE PASSING OVER THE INLAND COUNTIES OF DEEP SOUTH TEXAS THIS EVENING. STRONG GUSTY WINDS...ALONG WITH DANGEROUS LIGHTNING AND SOME SMALL HAIL ARE POSSIBLE WITH THESE THUNDERSTORMS. ALSO...THE ATMOSPHERE IS UNSTABLE ENOUGH THIS EVENING TO ALLOW FURTHER DEVELOPMENT. PERSONS IN DEEP SOUTH TEXAS SHOULD REMAIN ALERT TO QUIC:KLY CHANGING WEATHER CONDITIONS THIS EVENING. CONTINUE TO MONITOR NOAA WEATHER RADIO...COMMERCIAL RADIO...TELEVISION AND CABLE...FOR WEATHER INFORMATION.
The office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 3, 10:07 PM CST | Severe Thunderstorm Warning | BRO | Hidalgo | 68 min |
| Apr 3, 11:09 PM CST | Severe Thunderstorm Warning | BRO | Hidalgo | 66 min |
| Apr 4, 4:08 AM CST | Tornado Warning | BRO | Cameron | 37 min |
Nearby
Severe Thunderstorm Warnings in Texas, 1997Every severe thunderstorm warning in 1997
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.