Alert archive / Texas / Flash Flood Warnings in 1999
Flash Flood Warning 9, NWS Brownsville, TX
NWS Brownsville, TX issued this flash flood warning at Aug 23, 1999, 9:50 PM CDT for Brooks County, Kenedy 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 counties it named.
The facts
- Issued
- Aug 23, 1999, 9:50 PM CDT (02:50 UTC)
- Expired
- Aug 24, 1999, 1:45 AM CDT
- In force
- 4 hr
- Issued by
- NWS Brownsville, TX
- Area
- Whole counties
Counties Brooks County, TX, Kenedy County, TX
The nearest sounding before it
Brownsville Intl, TX (KBRO), launched 00:00Z, 2.8 hours before the alert went out and 131 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
- 3593 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 631 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 57 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 240250 FFWBRO TXC047-261-240645- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE BROWNSVILLE TX 950 PM CDT MON AUG 23 1999 THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A * FLASH FLOOD WARNING FOR... BROOKS COUNTY IN TEXAS THIS INCLUDES THE CITIES OF FALFURRIAS AND ENCINO KENEDY COUNTY IN TEXAS THIS INCLUDES THE CITY OF SARITA * UNTIL 145 AM CDT TUESDAY MORNING * AT 940 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR IN BROWNSVILLE INDICATED TORRENTIAL RAIN PRODUCING THUNDERSTORMS MOVING NORTHEAST AT 25 MILES AN HOUR OVER EASTERN BROOKS COUNTY. THESE STORMS ARE PRODUCING VERY HEAVY RAINFALL RATES FROM 2 TO 4 INCHES AN HOUR MAINLY JUST EAST OF ENCINO AND HIGHWAY 281. THESE RAINS ARE FALLING OVER GROUND THAT HAS ALREADY BEEN SATURATED BY RAINS YESTERDAY FROM HURRICANE BRET AND WILL PROGRESS INTO WESTERN KENEDY COUNTY. ANY ADDITIONAL HEAVY RAINFALL IN THESE TWO COUNTIES WILL GENERATE ADDITIONAL FLOODING. MOST FLASH FLOOD DEATHS OCCUR AT NIGHT. BE ESPECIALLY CAUTIOUS AT NIGHT SINCE IT IS HARDER TO RECOGNIZE THE DANGERS OF FLASH FLOODS. USE CAUTION IN AND AROUND STREAMS...CREEKS OR DRAINAGE DITCHES. TAKE THE SHORTEST PATH TO REACH HIGHER GROUND...BUT DO NOT DRIVE THROUGH RISING WATER. TO REPORT SEVERE WEATHER HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN BROWNSVILLE.
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, 8:30 PM CDT, 1 hour 20 minutes earlier.
Area forecast discussion, Aug 23, 8:30 PM CDT, 1 hour 20 minutes before
DEEP SOUTH TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE BROWNSVILLE TX 830 PM CDT MON AUG 23 1999 STRONG THUNDERSTORMS PERSIST OVER THE MEXICAN MOUNTAINS JUST TO THE WEST OF ZAPATA COUNTY...EXTENDING NORTHWARD TO DEL RIO. NESDIS ESTIMATES AS MUCH AS 8.5 INCHES OF RAIN HAS FALLEN JUST WEST OF THE RIVER BETWEEN LRD AND DRT. THAT SHOULD MAKE FOR SOME GOOD FLOW COMING DOWN INTO FALCON LAKE. BRO SOUNDING AT 00Z SHOWS THE ATMOSPHERE CONTINUES TO STABILIZE AS REMNANTS OF BRET CONTINUE TO MOVE WEST INTO MEXICO. PW IS DOWN A BIT AS WELL. THE CLOSE PROXIMITY OF CONVECTION OUT WEST..AND PW STILL NEAR 2.0 INCHES WILL BE ENOUGH TO CONVINCE ME TO LEAVE IN ISOLATED POPS OVERNIGHT...BUT JUST FOR THE WEST ZONES. WILL TAKE POPS OUT FOR CENTRAL AND EASTERN COUNTIES. A FEW SMALL SHOWERS ALSO CONTINUE OVER THE COASTAL WATERS THIS EVENING. AM STILL WATCHING LOS OLMOS CREEK IN FALFURRIAS AS WATER CONTINUES TO BE HIGH. OFFICIALS HAVE INDICATED THAT THE RISE IS SLOWING AND FORECASTED CREST FROM WGRFC SHOWS NEAR 10 FOOT CREST OVERNIGHT WHICH SHOULD KEEP FLOODING AT A MINIMUM. WILL ISSUE ANOTHER RVS AS SOON AS NEW GAUGE DATA COMES IN. 63 .BRO...NONE.
In the hours before
Local storm report, Aug 23, 9:31 PM CDT, 19 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
931 PM CDT MON AUG 23 1999
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0929 PM WESLACO TX TORNADO
08/23/99 HIDALGO LOCAL SHERRIFS OFFICE
REPORTED A TORNADO 2 MILES
NORTH-NORTHEAST OF WESLACOLocal storm report, Aug 23, 9:31 PM CDT, 19 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTION FOR OCCURRENCE TIME
NATIONAL WEATHER SERVICE BROWNSVILLE TX
931 PM CDT MON AUG 23 1999
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0400 PM WESLACO TX TORNADO
08/23/99 HIDALGO LOCAL SHERRIFS OFFICE
REPORTED A TORNADO 2 MILES
NORTH-NORTHEAST OF WESLACO
SPEECEThe office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 23, 10:10 PM CDT | Flash Flood Warning | BRO | Hidalgo | 3 hr |
| Aug 23, 10:20 PM CDT | Tornado Warning | BRO | Hidalgo | 40 min |
| Aug 23, 11:07 PM CDT | Tornado Warning | BRO | Cameron, Hidalgo, Willacy | 53 min |
| Aug 24, 12:13 AM CDT | Tornado Warning | BRO | Cameron, Hidalgo | 62 min |
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.