Alert archive / Texas / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 39, NWS Brownsville, TX
NWS Brownsville, TX issued this severe thunderstorm warning at Jun 18, 1997, 12:44 AM CDT for Hidalgo County, Starr County, Texas. It was in force for 61 min. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jun 18, 1997, 12:44 AM CDT (05:44 UTC)
- Expired
- Jun 18, 1997, 1:45 AM CDT
- In force
- 61 min
- Issued by
- NWS Brownsville, TX
- Area
- Whole counties
Counties Hidalgo County, TX, Starr County, TX
The radar
The Brownsville radar (KBRO), 121 km from the middle of the area, began a volume at 05:43 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 18, 1:00 AM CDT | Thunderstorm Wind | Rio Grande City, TX | Numerous power lines and poles down. Tree damage. |
| Jun 18, 1:00 AM CDT | Hail 0.75 | San Isidro, TX |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Brownsville Intl, TX (KBRO), launched 00:00Z, 5.7 hours before the alert went out and 124 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
- 4846 J/kg
- Mixed-layer CIN
- -20 J/kg
- Mixed-layer LCL
- 672 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 38 m²/s²
- 0-3 km storm-relative helicity
- 18 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.7
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 17, 11:00 PM CDT, 1 hour 44 minutes earlier.
Area forecast discussion, Jun 17, 11:00 PM CDT, 1 hour 44 minutes before
DEEP SOUTH TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE BROWNSVILLE TX 1100 PM CDT TUE JUN 17 1997 BROWNSVILLE RADAR INDICATE THUNDERSTORM ACTIVITY DEVELOPING AHEAD OF AN AREA OF PVA MOVING RAPIDLY EAST. THIS ACTIVITY IS DEVELOPING RAPIDLY AND KEEPING 30 PERCENT CHANCE FOR SHOWERS OR THUNDERSTORMS SEEMS TO BE IN LINE AT THIS TIME. THIS SYSTEM BEARS WATCHING AS IT IS MOVING RAPIDLY EAST. 55
In the hours before
Special weather statement, Jun 17, 7:35 PM CDT, 5 hours 9 minutes before
TXZ248>255-514-180230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BROWNSVILLE TX 735 PM CDT TUE JUN 17 1997 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF DEEP SOUTH TEXAS UNTIL 1000 PM THIS EVENING... AT 730 PM CDT...BROWNSVILLE RADAR SHOWED SCATTERED SHOWERS OVER THE FAR WESTERN PORTIONS OF DEEP SOUTH TEXAS. THESE SHOWERS WERE DRIFTING SLOWLY EAST. OTHERWISE...NO OTHER RAIN WAS INDICATED OVER THE REST OF DEEP SOUTH TEXAS OR THE ADJACENT GULF WATERS. HOWEVER...BROWNSVILLE RADAR INDICATED NUMEROUS SHOWERS AND THUNDERSTORMS PERSISTING OVER THE THE MEXICAN MOUNTAINS FROM NEAR MONCLOVA TO NEAR CIUDAD VICTORIA. THESE STORMS WERE DRIFTING SLOWLY EAST. ALSO...BROWNSVILLE AND CORPUS CHRISTI RADAR INDICATED NUMEROUS INTENSE THUNDERSTORMS OVER THE COASTAL BEND AREA NEAR CORPUS CHRISTI. THESE COASTAL BEND STORMS WERE MOVING EAST AT 10 TO 15 MPH AND HAVE A HISTORY OF PRODUCING TORRENTIAL RAINS...LARGE HAIL AND DAMAGING THUNDERSTORM WINDS. THE ATMOSPHERE OVER DEEP SOUTH TEXAS REMAINS VERY UNSTABLE THIS EVENING AND THE THREAT OF INTENSE SHOWERS AND THUNDERSTORMS WILL CONTINUE THROUGH 10 PM THIS EVENING...ESPECIALLY ACROSS THE EASTERN PORTIONS OF DEEP SOUTH TEXAS. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO AND TELEVISION OR YOUR LOCAL CABLE OUTLET FOR ADDITIONAL STATEMENTS AND POSSIBLE WARNINGS CONCERNING THIS DEVELOPING WEATHER SITUATION. SPEECE
Special weather statement, Jun 17, 7:38 PM CDT, 5 hours 6 minutes before
TXZ248>255-514-180230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BROWNSVILLE TX 735 PM CDT TUE JUN 17 1997 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF DEEP SOUTH TEXAS UNTIL 1000 PM THIS EVENING... AT 730 PM CDT...BROWNSVILLE RADAR SHOWED SCATTERED SHOWERS OVER THE FAR WESTERN PORTIONS OF DEEP SOUTH TEXAS. THESE SHOWERS WERE DRIFTING SLOWLY EAST. OTHERWISE...NO OTHER RAIN WAS INDICATED OVER THE REST OF DEEP SOUTH TEXAS OR THE ADJACENT GULF WATERS. HOWEVER...BROWNSVILLE RADAR INDICATED NUMEROUS SHOWERS AND THUNDERSTORMS PERSISTING OVER THE THE MEXICAN MOUNTAINS FROM NEAR MONCLOVA TO NEAR CIUDAD VICTORIA. THESE STORMS WERE DRIFTING SLOWLY EAST. ALSO...BROWNSVILLE AND CORPUS CHRISTI RADAR INDICATED NUMEROUS INTENSE THUNDERSTORMS OVER THE COASTAL BEND AREA NEAR CORPUS CHRISTI. THESE COASTAL BEND STORMS WERE MOVING EAST AT 10 TO 15 MPH AND HAVE A HISTORY OF PRODUCING TORRENTIAL RAINS...LARGE HAIL AND DAMAGING THUNDERSTORM WINDS. THE ATMOSPHERE OVER DEEP SOUTH TEXAS REMAINS VERY UNSTABLE THIS EVENING AND THE THREAT OF INTENSE SHOWERS AND THUNDERSTORMS WILL CONTINUE THROUGH 10 PM THIS EVENING...ESPECIALLY ACROSS THE EASTERN PORTIONS OF DEEP SOUTH TEXAS. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO AND TELEVISION OR YOUR LOCAL CABLE OUTLET FOR ADDITIONAL STATEMENTS AND POSSIBLE WARNINGS CONCERNING THIS DEVELOPING WEATHER SITUATION. SPEECE
The office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 17, 11:12 PM CDT | Severe Thunderstorm Warning | BRO | Brooks | 63 min |
| Jun 17, 11:25 PM CDT | Flash Flood Warning | BRO | Brooks | 2 hr |
| Jun 17, 11:44 PM CDT | Flash Flood Warning | BRO | Zapata | 2 hr |
| Jun 17, 11:44 PM CDT | Severe Thunderstorm Warning | BRO | Zapata | 2 hr |
| Jun 18, 2:06 AM CDT | Severe Thunderstorm Warning | BRO | Hidalgo, Starr | 69 min |
| Jun 18, 4:17 AM CDT | Flash Flood Warning | BRO | Starr | 6 hr |
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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.