Alert archive / Texas / Flash Flood Warnings in 1997
Flash Flood Warning 5, NWS Brownsville, TX
NWS Brownsville, TX issued this flash flood warning at Jun 19, 1997, 7:24 PM CDT for Brooks County, Texas. It was in force for 5 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 19, 1997, 7:24 PM CDT (00:24 UTC)
- Expired
- Jun 20, 1997, 12:30 AM CDT
- In force
- 5 hr
- Issued by
- NWS Brownsville, TX
- Area
- Whole counties
County Brooks County, TX
The radar
The Corpus Christi radar (KCRP), 109 km from the middle of the area, began a volume at 00:26 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
Corpus Christi, TX (KCRP), launched 00:00Z, 0.4 hours before the alert went out and 116 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
- 3855 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 823 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 38 m²/s²
- 0-3 km storm-relative helicity
- 62 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 6.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBRO 200027 FFWBRO TXC047-200530- BULLETIN - EAS ACTIVATION REQUESTED FLOOD WARNING NATIONAL WEATHER SERVICE BROWNSVILLE TX 724 PM CDT THU JUN 19 1997 THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A FLOOD WARNING EFFECTIVE UNTIL 1230 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS...... IN SOUTH TEXAS ...NORTHEASTERN BROOKS COUNTY AT 725 PM CDT...BROWNSVILLE DOPPLER RADAR INDICATED THAT THE SLOW MOVING ISOLATED SEVERE THUNDERSTORM OVER NORTHEAST BROOKS COUNTY HAS DISSIPATEDHOWEVER...RADAR SHOWS THAT THIS STORM HAS GENERATED TOTAL RAINFALL VALUEIN EXCESS OF 5 INCHES OVER THE PALO BLANCO AND BALUARTE CREEKS IN NORTHEAST BROOKS COUNTY. ALTHOUGH THIS STORM HAS DISSIPATED...THE RAINFALL THAT IT HAS GENERATED WILL CAUSE WIDESPREAD FLOODING NEAR FALFURRIAS AND JUST EAST OF THE CITY IN THE VICINITY OF THESE CREEKS. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. FLATT/SPEECE
What forecasters said that day
The local office's own words before this flash flood 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 flash flood warning went out at Jun 19, 2:33 PM CDT, 4 hours 51 minutes earlier.
Area forecast discussion, Jun 19, 2:33 PM CDT, 4 hours 51 minutes before
DEEP SOUTH TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE BROWNSVILLE TX 230 PM CDT THU JUN 19 1997 CURRENT KBRO REFLECTIVITY INDICATES SOME ISOLD TO SCT CONV FIRING IN THE VERY UNSTABLE ATMS IN PLACE OVER THE FORECAST AREA AND THE MIDDLE AND UPPER TX COASTLINE. (12Z SOUNDING FROM BRO SHOWED AN LI OF -11...A CAPE OF 5212...NO CAP...AND A PWAT OF 2.15 IN). MODEL GUIDANCE HAS DECENT VORTICITY AND WEAK TROFFING LINGERING OVER MUCH OF THE TX COAST...SO ENOUGH LOW AND MID LEVEL LIFT WILL BE PRESENT TO JUSTIFY AT LEAST 20% POPS THROUGH ALL 4 PDS. A DEVELOPING SURFACE LOW OVER THE CENTRAL PLAINS WILL BEGIN TO TIGHTEN THE SURFACE PRESSURE GRADIENT OVER MUCH OF TX SO HAVE INCREASE SURFACE WNDS ACCORDINGLY. FOR TEMPS...SEE LITTLE REASONING TO DEVIATE MUCH FROM THE CURRENT TEMP TRENDS AS MOS AND FAN GUIDANCE IN GOOD AGREEMENT. FOR TXZ248>255... .TONIGHT...PARTLY CLOUDY AND BREEZY WITH A 20 PERCENT CHANCE OF SHOWERS OR THUNDERSTORMS. SOUTHEAST WIND AROUND 15 MPH. .FRIDAY...MOSTLY SUNNY AND WINDY WITH A 20 PERCENT CHANCE OF MAINLY AFTERNOON SHOWERS OR THUNDERSTORMS. GUSTY SOUTH TO SOUTHEAST WINDS INCREASING TO 15 TO 25 MPH BY THE AFTERNOON. CAUTION IS ADVISED ON AREA LAKES. .FRIDAY NIGHT AND SATURDAY...PARTLY CLOUDY AND WINDY WITH A 20 PERCENT CHANCE OF MAINLY AFTERNOON AND EVENING SHOWERS OR THUNDERSTORMS. WOULD ALSO LIKE TO BEEF UP THE WND WORDING OF THE CWF AS THE OFFSHORE BOUNDARY LAYER WND PROGS CRANK UP TO 20 TO 25 KTS BY FRIDAY. SO FOR 1ST PD...SE WND 15 KT...LOCALLY HIGHER GUSTS NEAR SHORE AND OVER INLAND WATERWAYS AND BAYS. SEAS 5 FT. WIDELY SCT RW/TRW. FOR THE 2ND AND 3RD PDS...S-SE WNDS 15 TO 25 KTS. SEAS 6 FT. WIDELY SCT RW/TRW. SMALL CRAFT SHOULD EXERCISE CAUTION. IN THE EXTENDED PD...MODELS POINT TOWARDS A CONTINUATION OF WEAK TROFFING OVER THE WESTERN GULF BETWEEN THE CORRESPONDING EAST AND WEST COAST RIDGES. SO THIS WILL MAINTAIN THE STATUS QUO MORE OR LESS FOR THE TX COAST. THE ONLY ALTERATION WOULD BE TO INCLUDE A MENTION OF BREEZY CONDITIONS AS MSL PROGS SHOW A PRETTY TIGHT SURFACE PRESSURE GRADIENT PERSISTING. SO ACCORDINGLY..."MOSTLY SUNNY DAYS...PARTLY CLOUDY NIGHTS WITH A SLIGHT CHANCE OF MAINLY AFTERNOON AND EVENING SHOWERS AND THUNDERSTORMS. BREEZY. LOWS IN THE MIDDLE TO UPPER 70S. HIGHS IN THE UPPER 80S COAST TO NEAR 102 FAR WEST." BRO UN 079/094 078/094 079 20/20/20/20 MFE UN 079/097 078/097 078 20/20/20/20 RGC UN 078/102 077/102 077 2\0/20/20/20 SPI UN 080/088 080/088 079 20/20/20/20 60
The office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 19, 7:38 PM CDT | Severe Thunderstorm Warning | BRO | Jim Hogg, Starr, Zapata | 67 min |
Nearby
Flash Flood Warnings in Texas, 1997Every flash flood 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.