Alert archive / Texas / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 20, NWS Brownsville, TX
NWS Brownsville, TX issued this severe thunderstorm warning at May 15, 1997, 9:38 PM CDT for Jim Hogg County, Texas. It was in force for 62 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
- May 15, 1997, 9:38 PM CDT (02:38 UTC)
- Expired
- May 15, 1997, 10:40 PM CDT
- In force
- 62 min
- Issued by
- NWS Brownsville, TX
- Area
- Whole counties
County Jim Hogg County, TX
The radar
The Corpus Christi radar (KCRP), 143 km from the middle of the area, began a volume at 02:38 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 15, 8:15 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 00:00Z, 2.6 hours before the alert went out and 154 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
- 3057 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 900 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- -35 m²/s²
- 0-3 km storm-relative helicity
- -5 m²/s²
- Significant tornado parameter
- -0.3
- Supercell composite
- -1.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBRO 160238 RRA SVRBRO TXC247-160340- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BROWNSVILLE TX 938 PM CDT THU MAY 15 1997 THE NATIONAL WEATHER SERVICE IN BROWNSVILLE TX HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1040 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHERN TEXAS ...NORTHERN JIM HOGG COUNTY AT 935 PM...BROWNSVILLE DOPPLER RADAR SHOWED A SEVERE THUNDERSTORM 15 MILES WEST OF HEBBRONVILLE. THIS STORM WAS DRIFTING SLOWLY SOUTHEAST AND WILL AFFECT THE CITY OF HEBBRONVILLE THROUGH 1040 PM. THIS STORM HAS A HISTORY OF PRODUCING DAMAGING THUNDERSTORM WINDS AND LARGE HAIL IN SOUTHERN WEBB COUNTY. AT SIGNS OF AN IMPENDING STORM...TOWERING THUNDERHEADS...DARKENING SKIES...LIGHTNING AND INCREASING WINDS...MOVE TO A PLACE OF SAFETY. TUNE IN NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION FOR THE LATEST WEATHER INFORMATION. PHILO/SPEECE
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 15, 8:30 PM CDT, 1 hour 8 minutes earlier.
Area forecast discussion, May 15, 8:30 PM CDT, 1 hour 8 minutes before
DEEP SOUTH TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE BROWNSVILLE TX 830 PM CDT THU MAY 15 1997 BUSY WITH STATEMENTS AND WARNINGS ATTM. STG/SVR CONV CURRENTLY OVER THE REGION NEARLY STATIONARY. THE WORD FROM SPC IS THAT SVR -STORM WATCH WILL BE ISSUED SHORTLY. SO FOR TXZ248>255... ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 1 AM FRIDAY MORNING... .REST OF TONIGHT...MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SHOWERS OR THUNDERSTORMS. LOCALLY HEAVY RAINS...LARGE HAIL AND DAMAGING WINDS POSSIBLE. LOWS IN THE LOWER 70S. EAST TO SOUTHEAST WIND 5 TO 10 MPH...HIGHER GUSTS IN THE VICINITY OF THE THUNDERSTORMS. 60
In the hours before
Local storm report, May 15, 6:15 PM CDT, 3 hours 23 minutes before
PRELIMINARY LOCAL STORM REPORT...DELAYED
NATIONAL WEATHER SERVICE BROWNSVILLE TX
615 PM CDT THU MAY 15 1997
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
TIME UNKN 4 MILES SOUTH AND TX MCCOOK CO-OP OBSERVER
05/15/97 2 MILES WEST OF MCCOOK REPORTED LIGHTLY SHREDDED
HIDALGO CORN PLANTS. OBSERVER
SAID THAT PATH OF SHREDDED
PLANTS EXTENDED ABOUT A MILE
IN LENGTH.Special weather statement, May 15, 9:00 PM CDT, 38 minutes before
TXZ248>255-514-160545- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BROWNSVILLE TX 900 PM CDT THU MAY 15 1997 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF DEEP SOUTH TEXAS UNTIL 1 AM FRIDAY MORNING... THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR ALL DEEP SOUTH TEXAS INCLUDING THE FOLLOWING COUNTIES... ZAPATA...JIM HOGG...STARR...HIDALGO...BROOKS...WILLACY...KENEDY AND CAMERON COUNTIES. THIS INCLUDES THE CITIES OF BROWNSVILLE...MCALLEN AND HARLINGEN. LARGE HAIL...THUNDERSTORM WIND GUSTS UP TO 60 MPH AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. A SEVERE THUNDERSTORM WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. STAY TUNED TO NOAA WEATHER RADIO...YOUR COMMERCIAL TV AND RADIO STATIONS OR YOUR LOCAL CABLE PROVIDER FOR ADDITIONAL WEATHER STATEMENTS. 60
Special weather statement, May 15, 9:01 PM CDT, 37 minutes before
TXZ248>255-514-160545- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BROWNSVILLE TX 900 PM CDT THU MAY 15 1997 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF DEEP SOUTH TEXAS UNTIL 1 AM FRIDAY MORNING... THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR ALL DEEP SOUTH TEXAS INCLUDING THE FOLLOWING COUNTIES... ZAPATA...JIM HOGG...STARR...HIDALGO...BROOKS...WILLACY...KENEDY AND CAMERON COUNTIES. THIS INCLUDES THE CITIES OF BROWNSVILLE...MCALLEN AND HARLINGEN. LARGE HAIL...THUNDERSTORM WIND GUSTS UP TO 60 MPH AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. A SEVERE THUNDERSTORM WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. STAY TUNED TO NOAA WEATHER RADIO...YOUR COMMERCIAL TV AND RADIO STrATIONS OR YOUR LOCAL CABLE PROVIDER FOR ADDITIONAL WEATHER STATEMENTS. 60
The office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 15, 7:39 PM CDT | Severe Thunderstorm Warning | BRO | Starr | 66 min |
| May 15, 8:11 PM CDT | Severe Thunderstorm Warning | BRO | Brooks | 59 min |
| May 15, 8:28 PM CDT | Severe Thunderstorm Warning | BRO | Hidalgo | 62 min |
| May 16, 12:11 AM CDT | Severe Thunderstorm Warning | BRO | Hidalgo, Kenedy, Willacy | 59 min |
| May 16, 1:09 AM CDT | Severe Thunderstorm Warning | BRO | Cameron, Willacy | 61 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.