Alert archive / Texas / Flash Flood Warnings in 1990
Flash Flood Warning 33, NWS San Angelo, TX
NWS San Angelo, TX issued this flash flood warning at Aug 1, 1990, 5:30 PM CDT for Sutton County, Texas. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Aug 1, 1990, 5:30 PM CDT (22:30 UTC)
- Expired
- Aug 1, 1990, 9:30 PM CDT
- In force
- 4 hr
- Issued by
- NWS San Angelo, TX
- Area
- Whole counties
County Sutton County, TX
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Del Rio, TX (KDRT), launched 12:00Z, 10.5 hours before the alert went out and 129 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
- 82 J/kg
- Mixed-layer CIN
- -89 J/kg
- Mixed-layer LCL
- 732 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -37 m²/s²
- 0-3 km storm-relative helicity
- -34 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSJT 012232 FFWSJT TXC435-020230- BULLETIN - IMMEIDATE BROADCAST REQUESTED FLOOD WARNING NATIONAL WEATHER SERVICE SAN ANGELO TX 530 PM CDT WED AUG 1 1990 THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A FLOOD WARNING EFFECTIVE UNTIL 930 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES IN TEXAS ...SUTTON COUNTY RUNOFF FROM THE PREVIOUS RAINS CONTINUES ACROSS SUTTON COUNTY AND FM ROADS 189 AND 864 REMAIN CLOSED DUE TO HIGH WATER. LATE THIS TUESDAY AFTERNOON NO RAIN WAS DETECTED BY RADAR IN SUTTON COUNTY. PERSONS PLANNING TO TRAVEL ALONG FM ROADS 189 AND 864 SHOULD SELECT ANOTHER ROUTE AND NOT ATTEMPT TO ENTER THE FLOODED ROADS. THE SCHLEICHER COUNTY SHERIFF'S OFFICE REPORTED THAT NO ROADS WERE CLOSED DUE TO HIGH WATER...HOWEVER FM 2596 WAS CLOSED DUE TO DAMAGE TO THE ROADBED. MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY. NEV)ER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT.
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, Aug 1, 11:33 AM CDT, 5 hours 57 minutes before
TXZ012-015-019-024-029-030-011730- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ABILENE TX 1130 AM CDT WED AUG 1 1990 AT 1130 AM CDT SHOWERS AND THUNDERSTORMS WERE OCCURRING FROM MERKEL TO HASKELL TO NEAR BROWNWOOD. THE HEAVIEST RAIN WAS FALLING IN SOUTHERN JONES COUNTY. STORMS WERE MOVING SLOWLY TO THE NORTHEAST. DUE TO THE SLOW MOVEMENT OF THESE STROMS SOME LOCALLZED STREET FLOODING AND FLOODING OF LOW LYING AREAS IS POSSIBLE. STOAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST WEATHER INFORMATION.
The office that day
Everything else NWS San Angelo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 31, 9:27 PM CDT | Flash Flood Warning | SJT | Crockett, Schleicher | 8 hr |
| Aug 1, 5:38 AM CDT | Flash Flood Warning | SJT | Crockett, Schleicher, Sutton | 6 hr |
| Aug 1, 11:34 AM CDT | Flash Flood Warning | SJT | Schleicher, Sutton | 6 hr |
Nearby
Flash Flood Warnings in Texas, 1990Every flash flood warning in 1990
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.