Alert archive / Texas / Flash Flood Warnings in 1990
Flash Flood Warning 37, NWS San Angelo, TX
NWS San Angelo, TX issued this flash flood warning at Aug 4, 1990, 7:18 PM CDT for Schleicher County, Texas. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Aug 4, 1990, 7:18 PM CDT (00:18 UTC)
- Expired
- Aug 4, 1990, 10:15 PM CDT
- In force
- 3 hr
- Issued by
- NWS San Angelo, TX
- Area
- Whole counties
County Schleicher 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 00:00Z, 0.3 hours before the alert went out and 172 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
- 71 J/kg
- Mixed-layer CIN
- -134 J/kg
- Mixed-layer LCL
- 1987 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- -29 m²/s²
- 0-3 km storm-relative helicity
- 27 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 KSJT 050018 FFWSJT TXC413-050315- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SAN ANGELO TX 718 PM CDT SAT AUG 4 1990 THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 1015 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES IN TEXAS ...EASTERN SCHLEICHER COUNTY ONLY LIGHT RAIN IS FALLING OVER EASTERN SCHLEICHER COUNTY THIS EVENING AFTER THE HEAVY RAINS THIS AFTERNOON. RUNOFF CONTINUES TO EFFECT THAT PART OF SCHLEICHER COUNTY AND FM 864 WAS CLOSED DUE TO HIGH WATER. PERSONS TRAVELLING BETWEEN SONORA AND FORT MCKAVETT SHOULD SELECT AN ALTERNATE ROUTE AND NOT ENTER THE HIGH WATER. MORE RAINS ARE FORECAST TONIGHT AND HEAVY RAINS COULD CAUSE RAPID RISES IN WATER IN A SHORT PERIOD OF TIME. PERSONS IN SCHLEICHER COUNTY SHOULD KEEP ABREAST OF WEATHER CONDITIONS AND BE READY TO MOVE UP TO SAFETY AT A MOMENT'S NOTICE. A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WA+TER MOVE UP TO HIGHER GROUND.
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 4, 2:33 PM CDT, 4 hours 45 minutes before
SPECIAL WEATHER STATEMENT COR...MOVEMENT NATIONAL WEATHER SERVICE SAN ANGELO, TX 232 PM CDT SAT AUG 04 1990 TXZ016-017-029-034-018-042030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANGELO TX 227 PM CDT SAT AUG 4 1990 AT 220 PM SAN ANGELO RADAR INDICATED THUNDERSTORMS ACROSS THE SOUTHERN HALF OF THE CONCHO VALLEY. THE STRONGEST STORMS WERE NORTH AND NORTHWEST OF ELDORADO IN SCHLEICHER COUNTY. OTHER THUNDERSTORMS WERE NEAR EDEN IN CONCHO COUNTY, SOUTHWEST OF SONORA IN SUTTON COUNTY, AND SOUTHEAST OF IRRAN IN CROCKETT COUNTY. MOVEMENT WAS TO THE EAST AT 10 MILES AN HOUR. THESE THUNDERSTORMS ARE LIKELY PRODUCING VERY HEAVY RAIN, STRONG WINDS AND DANGEROUS LIGHTING. THE HEAVY RAIN FROM THESE STROMS MAY CAUSE NORALLY DRY CREEKS, ARROYOS, AND LOW WATER CROSSINGS TO BE FILLED WITH RAPIDLY FLOWING WATER. DO NOT ATTEMPT TO CROSS LOW WATER CROSSINGS IF WATER COVERS THE ROADWAY. KEEP LISTENING TO YOUR NOAA WEATHER RADIO OR YOUR LOCAL RADIO AND TELEVISIONS STATIONS FOR FURTHER WEATHER UPDATES.
Special weather statement, Aug 4, 3:38 PM CDT, 3 hours 40 minutes before
TXZ012-015-019-024-029-030-042140- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ABILENE TX 340 PM CDT SAT AUG 4 1990 THUNDERSTORMS HAD INCREASED RAPIDLY IN INTENSITY OVER SOUTHERN CALLAHAN AND NORTHERN COLEMAN AND BROWN COUNTIES AT 335 PM CDT. STRONGEST THUNDERSTORM WAS LOCATED JUST WEST OF CROSS PLAINS AND WAS MOVING SLOWLY EASTWARD AT 10 TO 15 MPH. HEAVY RAIN...STRONG GUSTY WINDS...CLOUD TO GROUND LIGHTNING...AND POSSIBLE SMALL HAIL CAN BE EXPECTED. REMEMBER...HEAVY RAINS FLOOD ROADS QUICKLY. DO NOT ATTEMPT TO DRIVE ACROSS MOVING WATER OF UNKNOWN DEPTH. OTHER THUNDERSTORMS WERE MOVING SOUTHEAST INTO NORTHERN COUNTIES OF THE BIG COUNTRY AREA. STAY TUNED TO NOAA WEATHEDR RADIO FOR THE LATEST WEATHER INFORMATION.
Special weather statement, Aug 4, 4:37 PM CDT, 2 hours 41 minutes before
TXZ012-015-019-024-029-030-050035- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ABILENE TX 435 PM CDT SAT AUG 4 1990 AT 430 PM CDT NUMEROUS STRONG THUNDERSTORMS AND RAINSHOWERS WERE OVER PORTIONS OF CALLAHAN...COLEMAN AND BROWN COUNTIES. THE STORMS WERE IN THE AREA FROM COLEMAN TO SOUTH OF BAIRD TO RISING STAR AND CROSS PLAINS TO NEAR MAY. STRONG GUSTY WIND...SMALL HAIL AND VERY HEAVY RAIN CAN BE EXPECTED NEAR THESE STORMS. MOVEMENT WAS EAST AT 10-15 MPH. STAY TUNED TO RADIO...TV OR NOAA WEATHER RADIO FOR THE LATEST WEATHER INFORMATION.
Special weather statement, Aug 4, 5:39 PM CDT, 1 hour 39 minutes before
TXZ012-015-019-024-029-030-05050135 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ABILENE TX 535 PM CDT SAT AUG 4 1990 AT 530 PM CDT NUMEROUS STRONG THUNDERSTORMS AND HEAVY RAINSHOWERS WERE DEVELOPING ACROSS THE SOUTHERN PORTION OF THE BIG COUNTRY. THE STORMS WERE IN THE AREA FROM JUST SOUTH OF ABILENE TO TUSCOLA TO ROBERT LEE TO SANTA ANNA TO NEAR CISCO. THE AREA OF STORMS WAS DEVELOPING TO THE NORTH BUT INDIVIDUAL STORMS WERE MOVING SLOWLY TO THE EAST. STRONG GUSTY WIND...SMALL HAIL AND VERY HEAVY RAIN WAS LIKELY NEAR THE STRONGEST THUNDERSTORMS. STAY TUNED TO RADIO...TV OR NOAA WEATHER RADIO FOR THE LATEST WEATHER INFORMATION.
Special weather statement, Aug 4, 6:43 PM CDT, 35 minutes before
TXZ012-015-019-024-029-030-050240- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ABILENE TX 640 PM CDT SAT AUG 4 1990 AT 630 PM CDT THUNDERSTORMS AND SHOWERS WERE NUMEROUS OVER THE SOUTH HALF OF THE BIG COUNTRY. STRONGEST STORMS EXTENDED ALONG A LINE FROM NORTH OF GOLDTHWAITE TO SANTA ANNA TO BALLINGER TO JUST NORTH OF SAN ANGELO. MOVEMENT DURING THE PAST HOUR WAS A SLOW DRIFT TO THE SOUTHEAST. STAY TUNED TO RADIO...TV OR NOAA WEATHER7 RADIO FOR THE LATEST WEATHER INFORMATION.
Special weather statement, Aug 4, 7:08 PM CDT, 10 minutes before
TXZ017-050115- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANGELO TX 708 PM CDT SAT AUG 4 1990 STRONG THUNDERSTORMS HAVE DEVELOPED IN THE NORTHERN CONCHO VALLEY ALONG A TROUGH OF LOW PRESSURE AS IT MOVED SOUTHWARD. AT 650 PM CDT RADAR INDICATED STRONG THUNDERSTORMS FROM SOUTH OF BALLINGER ACROSS NORTHERN TOM GREEN AND SOUTHERN COKE COUNTIES...INCLUDING CARLSBAD... TO NORTHWEST IRION COUNTY. THE STORMS WERE MOVING SOUTH AT 15 MPH. THE HEAVIEST THUNDERSTORMS WERE NORTH AND SOUTHWEST OF CARLSBAD. THESE STORMS ARE PRODUCING TORRENTIAL RAINS AND FREQUENT LIGHTNING AND ARE LIKELY TO BE ACCOMPANIED BY STRONG GUSTY WIND AND POSSIBLY HAIL. STREET FLOODING AND FLOODING OF LOW PLACES MAY ALSO OCCUR. PERSONS IN THE PATHS OF THESE STORMS SHOULD KEEP A WEATHER EYE ON THESE STORMS AND BE READY TO TAKE COVER AT A MOMENT'S NOTICE IF THREATENING CONDITIONS APPROACH. KEEP LISTENING 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 |
|---|---|---|---|---|
| Aug 4, 10:09 PM CDT | Flash Flood Warning | SJT | Schleicher | 9 hr |
| Aug 5, 7:14 AM CDT | Flash Flood Warning | SJT | Schleicher | 7 hr |
| Aug 5, 2:44 PM CDT | Flash Flood Warning | SJT | Crockett, Menard, Schleicher, Sutton | 8 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.