Alert archive / Texas / Flash Flood Warnings in 1990
Flash Flood Warning 1, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this flash flood warning at Mar 28, 1990, 10:42 PM CST for Polk County, Texas. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Mar 28, 1990, 10:42 PM CST (04:42 UTC)
- Expired
- Mar 29, 1990, 2:45 AM CST
- In force
- 4 hr
- Issued by
- NWS Houston/Galveston, TX
- Area
- Whole counties
County Polk 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
Lake Charles Mun, LA (KLCH), launched 00:00Z, 4.7 hours before the alert went out and 173 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1066 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 22 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 KHOU 290444 FFWHOU TXC373-290845- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE HOUSTON TX 1042 PM CST WED MAR 28 1990 THE NATIONAL WEATHER SERVICE IN HOUSTON HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 245 AM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHEAST TEXAS ...SOUTH CENTRAL POLK COUNTY PERSISTANT THUNDERSTORMS OVER THE PAST FEW HOURS HAVE CAUSED SOME LOCAL FLOODING IN THE SOUTHCENTRAL PART OF POLK COUNTY...SLIGHTLY SOUTH AND SOUTHWEST OF THE CITY OF LIVINGSTON. THERE WERE REPORTS FROM THE SHERRIFS DEPARTMENT OF 8 TO 10 INCHES OF WATER OVER HIGHWAY 2457...6 INCHES OVER FM 3126...AND STREET FLOODING IN SMALL COMMUNITIES A LITTLE SOUTH OF LIVINGSTON. MAJOR HIGHWAYS APPEAR TO BE IN GOOD CONDITION. THE THUNDERSTORM ACTIVITY IN THE COUNTY IS STEADILY DIMINISHING AND MOVING TO THE NORTHEAST...SO THAT RESIDENTS IN LOW LYING COMMUNITIES THAT HAVE RECEIVED FLOODING CAN EXPECT RELIEF AS FAR AS ANY FURTHER HEAVY RAINS...WITH RAINS GRADUALL ENDING ACROSS THE AREA OVER THE NEXT HOUR. HOWEVER...FLOODED AREAS WILL BE VERY SLOW TO RECEDE AND MAY TAKE SEVERAL HOURS DO SO. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE 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, Mar 28, 6:21 PM CST, 4 hours 21 minutes before
TXZ046-045-290215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON TX 620 PM CST WED MAR 28 1990 AT 620 PM...RADAR SHOWS A STRONG THUNDERSTORM HAS DEVELOPED NEAR THE NORTHERN PORTION OF LAKE LIVINGSTON AND WAS MOVING TO THE EAST NORTHEAST. BOATERS ON THE NORTHERN END OF LAKE LIVINGSTON SHOULD HEAD FOR SAFE HARBOUR IMMEDIATELY AS THIS THUNDERSTORM IS CAPABLE OF PRODUCING STRONG GUSTY WINDS HAZARDOUS TO SMALL CRAFT. ELSEWHERE...OTHEdR THUNDERSTORMS WERE SCATTERED FROM JUST NORTH OF LAKE CONROE TO A LITTLE SOUTH OF LUFKIN... MOVING EASTWARD. THESE ARE ALSO CAPABLE OF STRONG GUSTY WINDS AND BRIEFLY HEAVY RAINS OVER THE NEXT ONE TO TWO HOURS.
Special weather statement, Mar 28, 8:24 PM CST, 2 hours 18 minutes before
TXZ045-32-46-290430- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON TX 823 PM CST WED MAR 28 1990 THUNDERSTORMS HAVE PERSISTED FOR SEVERAL HOURS IN A FEW COUNTIES NEAR LAKE LIVINGSTON....AND STILL CONTINUE FROM NEAR MADISONVILLE TO HUNTSVILLE TO LAKE LIVINGSTON AND EAST OF LAKE LIVINGSTON. JUDGING FROM RADAR INTENSITIES AS MUCH AS 2 TO 3 INCHES MAY HAVE FALLEN IN PARTS OF WALKER...TRINITY...SAN JACINTO....AND POLK COUNTIES IN SPOT LOCATIONS WITH SOME OF THE HEAVIER THUNDERSTORMS. THERE HAVE BEEN NO REPORTS OF FLOODING AT THIS TIME. HOWEVER IT IS LIKELY THAT THERE MAY BE SOME LOCALIZED FLOODING IN LOW LYING AREAS. THE BAND OF THUNDERSTORMS IS DRIFTING SLOWLY SOUTH WHILE` INDIVIDUAL THUNDERSTORMS WITHIN IT ARE MOVING EAST. GRADUAL DIMINISHING ACTIVITY IS EXPECTED OVER THESE COUNTIES OVER THE NEXT HOUR OR SO.
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 29, 2:40 PM CST | Severe Thunderstorm Warning | HGX | Matagorda | 65 min |
| Mar 29, 3:00 PM CST | Tornado Warning | HGX | Austin | 30 min |
| Mar 29, 3:31 PM CST | Severe Thunderstorm Warning | HGX | Brazoria | 29 min |
| Mar 29, 3:37 PM CST | Severe Thunderstorm Warning | HGX | Harris | 68 min |
| Mar 29, 3:45 PM CST | Severe Thunderstorm Warning | HGX | Chambers, Galveston | 105 min |
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.