Alert archive / Texas / Flash Flood Warnings in 1996
Flash Flood Warning 1, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at May 27, 1996, 6:21 AM CDT for Edwards County, Texas. It was in force for 2 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
- May 27, 1996, 6:21 AM CDT (11:21 UTC)
- Expired
- May 27, 1996, 8:30 AM CDT
- In force
- 2 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Edwards County, TX
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 11.4 hours before the alert went out and 86 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
- 2195 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 1754 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 52 m²/s²
- 0-3 km storm-relative helicity
- 135 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 6.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSAT 271126 FFWSAT TXC137-271330- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 621 AM CDT MON MAY 27 1996 THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 830 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CENTRAL TEXAS ...EDWARDS COUNTY THUNDERSTORMS THAT HAVE CORSSED THE COUNTY OVER THE PAST 4 HOURS HAVE PRODUCED RAINFALL AMOUNTS OF 3 TO 4 INCHES OVER THE NORTHERN HALF OF EDWARDS COUNTY. THE HEAVIEST RAINS FELL IN AN AREA JUST NORTH OF ROCKSPRINGS. HIGHWAYS 41 AND 377 MAY BE AFFECTED. RAIN WAS ENDING FROM THE NORTHWEST BUT ADDITIONAL RAINFALL FROM THUNDERSTORMS IS POSSIBLE THIS AFTERNOON. A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...OR LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREA@M...EVEN A SMALL ONE...ON FOOT TO ESCAPE RISING WATER DURING THREATENING RAINS.
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.
In the hours before
Special weather statement, May 27, 5:40 AM CDT, 41 minutes before
TXZ187-193-205-190-172-206-184-188-207-189-186-202-171-204-185- 192-203-183-173-271145- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 536 AM CDT MON MAY 27 1996 ...SEVERE THUNDERSTORM WATCH FOR PORTIONS OF THE HILL COUNTRY AND THE EDWARDS PLATEAU WILL EXPIRE AT 600 AM... AT 530 AM CDT STRONG THUNDERSTORMS WITH HEAVY RAIN CONTINUED ACROSS NORTHWESTERN PORTIONS OF THE HILL COUNTRY AND THE EDWARDS PLATEAU EXTENDING FROM LANGTRY NORTHEAST TO ROCKSPRINGS...FREDERICKSBURG AND LAMPASAS. THE HEAVIEST RAIN WAS FALLING EAST OF ROCKSPRINGS...EAST OF JUNCTION AND NORTHWEST OF LLANO. THE SEVERE THUNDERSTORM WARNINGS FOR EDWARDS COUNTY WERE ALLOWED TO EXPI .SMALL HAIL, HEAVY RAIN AND STRONG WINDS WERE REPORTED FROM ROCKSPRINGS. THE STRONGEST PORTION OF THE STORM WENT JUST NORTH OF THERE. SOME OF THE STORMS DUMPED UP TO 2 INCHES OF RAIN IN SOME AREAS ACCORDING TO DOPPLER RAINFALL ESTIMATES. THE THUNDERSTORMS HAD FORMED ON A DRY LINE AHEAD OF A COLD FRONT TRAILING FROM THE LARGE LOW PRESSURE SYSTEM OVER THE GREAT PLAINS. THE THREAT OF SEVERE WEATHER HAS ENDED FOR NOW BUT THE CHANCES FOR SHOWERS AND THUNDERSTORMS WILL REMAIN THROUGH OUT THE DAY FOR CENTRAL AND SOUTH CENTRAL TEXAS.
Special weather statement, May 27, 6:07 AM CDT, 14 minutes before
TXZ171>173-183>194-202>209-217>225-228>230-239-281100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 600 AM CDT MON MAY 27 1996 A WEAK COLD FRONT IN THE NORTHERN HILL COUNTRY AND AN UNSTABLE AIRMASS OVER CENTRAL TEXAS WILL RESULT IN SCATTERED THUNDERSTORMS ACROSS MUCH OF THE HILL COUNTRY...EDWARDS PLATEAU...AND SOUTH CENTRAL TEXAS TODAY AND INTO THIS EVENING. THERE IS A SLIGHT RISK THAT SOME OF THE THUNDERSTORMS WILL BECOME SEVERE...PRODUCING DAMAGING WINDS...BRIEF HEAVY RAINS...AND LARGE HAIL. STAYED TUNED FOR ANY WATCHES OR WARNINGS THAT MAY BE ISSUED TODAY AND POSSIBLY INTO TONIGHT. THE HAZARDOUS WEATHER OUTLOOK IS NOT UPDATED. ANY CHANGES IN THE FORECAST WEATHER WILL BE ACCOMPLISHED THROUGH WATCHES...WARNINGS... STATEMENTS...AND FORECAST PRODUCTS.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 3:49 AM CDT | Severe Thunderstorm Warning | EWX | Edwards | 41 min |
| May 27, 4:31 AM CDT | Severe Thunderstorm Warning | EWX | Edwards | 44 min |
| May 27, 5:43 AM CDT | Severe Thunderstorm Warning | EWX | Real | 47 min |
| May 27, 6:42 AM CDT | Flash Flood Warning | EWX | Real | 2 hr |
| May 27, 7:08 AM CDT | Severe Thunderstorm Warning | EWX | Bandera | 52 min |
| May 27, 7:46 AM CDT | Severe Thunderstorm Warning | EWX | Blanco | 44 min |
| May 27, 8:08 AM CDT | Severe Thunderstorm Warning | EWX | Bexar | 67 min |
| May 27, 8:16 AM CDT | Severe Thunderstorm Warning | EWX | Comal, Hays | 59 min |
| May 27, 12:30 PM CDT | Severe Thunderstorm Warning | EWX | Hays | 45 min |
| May 27, 1:35 PM CDT | Severe Thunderstorm Warning | EWX | Caldwell | 25 min |
Nearby
Flash Flood Warnings in Texas, 1996Every flash flood warning in 1996
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.