Alert archive / Texas / Flash Flood Warnings in 1999
Flash Flood Warning 7, NWS Brownsville, TX
NWS Brownsville, TX issued this flash flood warning at Aug 23, 1999, 11:59 AM CDT for Cameron County, Texas. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.
The facts
- Issued
- Aug 23, 1999, 11:59 AM CDT (16:59 UTC)
- Expired
- Aug 23, 1999, 4:00 PM CDT
- In force
- 4 hr
- Issued by
- NWS Brownsville, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Cameron County, TX
The radar
The Brownsville radar (KBRO), 17 km from the middle of the area, began a volume at 17:00 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, 5.0 hours before the alert went out and 18 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
- 1033 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 1044 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 95 m²/s²
- 0-3 km storm-relative helicity
- 144 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBRO 231702 FFWBRO TXC061-232100- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE BROWNSVILLE TX 1159 AM CDT MON AUG 23 1999 THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A * FLASH FLOOD WARNING FOR... SOUTHEASTERN CAMERON COUNTY IN TEXAS THIS INCLUDES THE CITY OF LAGUNA VISTA...LAGUNA HEIGHTS...AND PORT ISABEL * UNTIL 400 PM CDT * AT 1154 AM CDT...SHOWERS AND THUNDERSTORMS ARE DEVELOPING TO THE SOUTHWEST OF BROWNSVILLE AND MOVING TO THE NORTHEAST AT 20 MPH. RADAR ESTIMATES INDICATE THAT AS MUCH AS 5 TO 6 INCHES OF RAIN HAS ALREADY FALLEN IN THE LAGUNA VISTA AND LAGUNA HEIGHTS AREA...WHICH IS CAUSING SOME STREET FLOODING IN AND AROUND THE LAGUNA VISTA AND LAGUNA HEIGHTS AREAS. EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLOODING OF INTERSECTIONS AND LOW LYING AREAS. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT TRY TO DRIVE YOUR CAR THROUGH FLOODED INTERSECTIONS. TO REPORT SEVERE WEATHER HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN BROWNSVILLE. LAT...LON 2605 9763 2587 9741 2606 9718 2630 9721
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 Aug 23, 9:55 AM CDT, 2 hours 4 minutes earlier.
Area forecast discussion, Aug 23, 9:55 AM CDT, 2 hours 4 minutes before
DEEP SOUTH TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE BROWNSVILLE TX 955 AM CDT MON AUG 23 1999 WILL MAKE SOME MINOR CHANGES TO THE WORDING OF THE ZONES...UNTIL 1200 PM WHEN MOST OF OUR WATCHES AND WARNINGS EXPIRE. WILL RE-EVALUATE WATCHES AND WARNINGS AT THAT TIME. RIGHT NOW IT LOOKS LIKE WE MIGHT DROP THE TROPICAL STORM WARNING EARLY THIS AFTERNOON IF TPC SEES THAT IT IS POSSIBLE TO DO SO. WILL ALSO LIKELY LET THE HIGH WIND WARNING EXPIRE UNLESS I SEE THE WINDS PICK UP. CLOUD COVER WILL LIKELY KEEP TEMPS DOWN A BIT SO WILL LIKELY LOWER MAX NUMBERS THIS AFTERNOON. NO REPORTS OF FLOODING AS OF YET IN WILLACY COUNTY. 63 .BRO... TORNADO WATCH TXZ248>251 UNTIL 2100Z TROPICAL STORM WARNING TXZ251-254-255 UNTIL 1800Z FFW/FLW TXZ249>251 UNTIL 1700Z FFA TXZ248-252>255 UNTIL 1700Z HIGH WIND WARNING TXZ248>250-252-253 UNTIL 1700Z
In the hours before
Special weather statement, Aug 23, 6:00 AM CDT, 5 hours 59 minutes before
TXZ248>255-GMZ130-231700- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BROWNSVILLE TX 600 AM CDT MON AUG 23 1999 ...SPECIAL WEATHER STATEMENT TO SUMMARIZE WATCHES AND WARNINGS IN EFFECT FOR DEEP SOUTH TEXAS... ...A TROPICAL STORM WARNING IS IN EFFECT FOR COASTAL COUNTIES AND THE GULF COASTAL WATERS... ...A HIGH WIND WARNING IS IN EFFECT FOR INLAND COUNTIES... ...A FLASH FLOOD WARNING IS IN EFFECT FOR KENEDY...BROOKS AND WILLACY COUNTIES... ...A FLASH FLOOD WATCH IS IN EFFECT FOR ALL OF DEEP SOUTH TEXAS... ...A TORNADO WATCH IS IN EFFECT FOR KENEDY...BROOKS...JIM HOGG... AND ZAPATA COUNTIES... AS THE CENTER OF HURRICANE BRET CONTINUES TO MOVE WEST OVER NORTHERN BROOKS COUNTY EARLY THIS MORNING...ITS EFFECTS ARE MANY AND WIDESPREAD ACROSS DEEP SOUTH TEXAS. HURRICANE FORCE WINDS WILL CONTINUE TO BE EXPERIENCED IN A SMALL AREA AROUND THE EYE OF BRET UNTIL MID MORNING...AT WHICH TIME IT IS EXPECTED TO BE DOWNGRADED TO A TROPICAL STORM. THE AREAS TO BE IMPACTED BY THE STRONGEST WINDS WILL BE NORTHERN BROOKS INTO NORTHERN JIM HOGG COUNTIES. WINDS OF TROPICAL STORM STRENGTH CAN BE EXPECTED IN THE HEAVIER RAIN SQUALLS ROTATING AROUND BRETS CENTER...AND THESE STRONG WINDS COULD OCCUR IN ANY PART OF DEEP SOUTH TEXAS TODAY. RAINFALL HAS BEEN EXTREME IN NORTHEAST KENEDY COUNTY...WHERE 25 INCHES OR MORE OF RAIN HAS FALLEN SINCE YESTERDAY. PARTS OF BROOKS...JIM HOGG AND WILLACY COUNTIES HAVE RECEIVED FROM 4 TO 8 INCHES OVERNIGHT. WITH THE REMNANTS OF BRET EXPECTED TO MOVE ONLY VERY SLOWLY FURTHER INLAND OVER THE NEXT 2 TO 3 DAYS...ADDITIONAL RAINFALL TOTALS OF AS MUCH AS 10 TO 15 INCHES WILL BE POSSIBLE IN PARTS OF DEEP SOUTH TEXAS. FLOODING COULD BE WIDESPREAD...COULD LAST INTO MID-WEEK...AND WILL BE THE MOST SERIOUS CONSEQUENCE OF BRETS VISIT. TORNADOES COULD BECOME A THREAT LATER TODAY...ESPECIALLY IN THE NORTHERN SEMICIRCLE AROUND BRETS CIRCULATION. FUNNEL CLOUDS OR WATERSPOUTS WILL ALSO BE POSSIBLE ABOUT ANYWHERE ACROSS THE REGION TODAY. THE STRONG WINDS...FLOODING AND POSSIBLE TORNADOES ARE ALL SERIOUS THREATS FOR AREA RESIDENTS TO CONSIDER TODAY. NECESSARY PRECAUTIONS SHOULD BE TAKEN TO PROTECT LIFE AND PROPERTY FROM THE VARIED ONSLAUGHT MOTHER NATURE HAS BROUGHT TO OUR AREA. ON A BRIGHTER NOTE...IT HAS BEEN REPORTED THAT THE CAUSEWAY TO SOUTH PADRE ISLAND MAY BE RE-OPENED AROUND NOON TODAY. THIS WOULD ALLOW RESIDENTS AND VISITORS TO RETURN TO THE ISLAND FOR THE FIRST TIME SINCE MANDATORY EVACUATIONS WERE PUT IN FORCE OVER THE WEEKEND. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO OR TELEVISION STATIONS...OR YOUR CABLE TELEVISION PROVIDER FOR THE LATEST WEATHER INFORMATION ON HURRICANE BRET. NEWMAN
Special weather statement, Aug 23, 6:00 AM CDT, 5 hours 59 minutes before
TXZ248>255-GMZ130-231700- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BROWNSVILLE TX 600 AM CDT MON AUG 23 1999 ...SPECIAL WEATHER STATEMENT TO SUMMARIZE WATCHES AND WARNINGS IN EFFECT FOR DEEP SOUTH TEXAS... ...A TROPICAL STORM WARNING IS IN EFFECT FOR COASTAL COUNTIES AND THE GULF COASTAL WATERS... ...A HIGH WIND WARNING IS IN EFFECT FOR INLAND COUNTIES... ...A FLASH FLOOD WARNING IS IN EFFECT FOR KENEDY...BROOKS AND WILLACY COUNTIES... ...A FLASH FLOOD WATCH IS IN EFFECT FOR ALL OF DEEP SOUTH TEXAS... ...A TORNADO WATCH IS IN EFFECT FOR KENEDY...BROOKS...JIM HOGG... AND ZAPATA COUNTIES... AS THE CENTER OF HURRICANE BRET CONTINUES TO MOVE WEST OVER NORTHERN BROOKS COUNTY EARLY THIS MORNING...ITS EFFECTS ARE MANY AND WIDESPREAD ACROSS DEEP SOUTH TEXAS. HURRICANE FORCE WINDS WILL CONTINUE TO BE EXPERIENCED IN A SMALL AREA AROUND THE EYE OF BRET UNTIL MID MORNING...AT WHICH TIME IT IS EXPECTED TO BE DOWNGRADED TO A TROPICAL STORM. THE AREAS TO BE IMPACTED BY THE STRONGEST WINDS WILL BE NORTHERN BROOKS INTO NORTHERN JIM HOGG COUNTIES. WINDS OF TROPICAL STORM STRENGTH CAN BE EXPECTED IN THE HEAVIER RAIN SQUALLS ROTATING AROUND BRETS CENTER...AND THESE STRONG WINDS COULD OCCUR IN ANY PART OF DEEP SOUTH TEXAS TODAY. RAINFALL HAS BEEN EXTREME IN NORTHEAST KENEDY COUNTY...WHERE 25 INCHES OR MORE OF RAIN HAS FALLEN SINCE YESTERDAY. PARTS OF BROOKS...JIM HOGG AND WILLACY COUNTIES HAVE RECEIVED FROM 4 TO 8 INCHES OVERNIGHT. WITH THE REMNANTS OF BRET EXPECTED TO MOVE ONLY VERY SLOWLY FURTHER INLAND OVER THE NEXT 2 TO 3 DAYS...ADDITIONAL RAINFALL TOTALS OF AS MUCH AS 10 TO 15 INCHES WILL BE POSSIBLE IN PARTS OF DEEP SOUTH TEXAS. FLOODING COULD BE WIDESPREAD...COULD LAST INTO MID-WEEK...AND WILL BE THE MOST SERIOUS CONSEQUENCE OF BRETS VISIT. TORNADOES COULD BECOME A THREAT LATER TODAY...ESPECIALLY IN THE NORTHERN SEMICIRCLE AROUND BRETS CIRCULATION. FUNNEL CLOUDS OR WATERSPOUTS WILL ALSO BE POSSIBLE ABOUT ANYWHERE ACROSS THE REGION TODAY. THE STRONG WINDS...FLOODING AND POSSIBLE TORNADOES ARE ALL SERIOUS THREATS FOR AREA RESIDENTS TO CONSIDER TODAY. NECESSARY PRECAUTIONS SHOULD BE TAKEN TO PROTECT LIFE AND PROPERTY FROM THE VARIED ONSLAUGHT MOTHER NATURE HAS BROUGHT TO OUR AREA. ON A BRIGHTER NOTE...IT HAS BEEN REPORTED THAT THE CAUSEWAY TO SOUTH PADRE ISLAND MAY BE RE-OPENED AROUND NOON TODAY. THIS WOULD ALLOW RESIDENTS AND VISITORS TO RETURN TO THE ISLAND FOR THE FIRST TIME SINCE MANDATORY EVACUATIONS WERE PUT IN FORCE OVER THE WEEKEND. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO OR TELEVISION STATIONS...OR YOUR CABLE TELEVISION PROVIDER FOR THE LATEST WEATHER INFORMATION ON HURRICANE BRET. NEWMAN
The office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 22, 7:20 PM CDT | Flash Flood Warning | BRO | Kenedy, Willacy | 3 hr |
| Aug 22, 10:15 PM CDT | Flash Flood Warning | BRO | Brooks, Kenedy | 6 hr |
| Aug 23, 4:18 AM CDT | Flash Flood Warning | BRO | Brooks, Kenedy | 8 hr |
| Aug 23, 4:18 AM CDT | Flash Flood Warning | BRO | Willacy | 8 hr |
| Aug 23, 2:59 PM CDT | Tornado Warning | BRO | Kenedy, Willacy | 31 min |
| Aug 23, 3:18 PM CDT | Tornado Warning | BRO | Cameron, Hidalgo | 27 min |
| Aug 23, 3:34 PM CDT | Tornado Warning | BRO | Kenedy | 41 min |
| Aug 23, 3:44 PM CDT | Tornado Warning | BRO | Cameron, Hidalgo, Willacy | 61 min |
| Aug 23, 4:27 PM CDT | Tornado Warning | BRO | Willacy | 63 min |
| Aug 23, 6:55 PM CDT | Flash Flood Warning | BRO | Hidalgo | 3 hr |
Nearby
Flash Flood Warnings in Texas, 1999Every flash flood warning in 1999
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.