Alert archive / Texas / Flash Flood Warnings in 1989
Flash Flood Warning 4, NWS Lake Charles, LA
NWS Lake Charles, LA issued this flash flood warning at May 16, 1989, 12:52 PM CDT for San Augustine County, Texas. It was in force for 68 min.
The area
The counties it named.
The facts
- Issued
- May 16, 1989, 12:52 PM CDT (17:52 UTC)
- Expired
- May 16, 1989, 2:00 PM CDT
- In force
- 68 min
- Issued by
- NWS Lake Charles, LA
- Area
- Whole counties
County San Augustine 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
Longview/Gregg, TX (KGGG), launched 12:00Z, 5.9 hours before the alert went out and 114 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
- 1311 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 74 m²/s²
- 0-3 km storm-relative helicity
- 186 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 KBPT 161752
FFWBPT
TXC405-161900-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PORT ARTHUR TX
1252 PM CDT TUE MAY 16 1989
THE NATIONAL WEATHER SERVICE IN PORT ARTHUR HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 200 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN NORTHEAST TEXAS
...SAN AUGUSTINE
AT 1245 PM CDT RADAR SHOWED THUNDERSTORMS PRODUCING VERY HEAVY
RAINFALL ACROSS SAN AUGUSTINE COUNTY...THEY WERE MOVING EAST AT 30
MILES AN HOUR.
EACH THUNDERSTORM IS CAPABLE OF PRODUCING ONE INCH OF RAINFALL AS THEY
FOLLOW EACH OTHER ACROSS THE COUNTY. MOTORISTS IN THE CITY OF SAN
AUGUSTINE ARE ADVISED THAT WATER WILL ACCUMULATE IN LOW AREAS...NEAR
SHOPPING CENTERS...AND UNDERPASSES AND STREETS WITH POOR DRAINAGE.
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 WATER MOVE UP TO HIGHER GROUND.
NNNNWhat 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 16, 7:55 AM CDT, 4 hours 57 minutes before
TTAAOO KESF 161255 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ALEXANDRIA LA 1255 PM CDT TUE MAY 16 1989 SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 300PM THIS AFTERNOON FOR RAPIDES GRANT AND LASALLE PARISHES OF CENTRAL LOUISIANA... RAIN AND THUNDERSTORMS SOME VERY STRONG WILL BE MOVING ACROSS THE PARISHES FOR THE NEXT FEW HOURS. PERSONS IN CENTRAL SHOULD BE ALERT TO THE POSSIBILITY OF SEVERE WEATHER WITH THE THUNDERSTORMS...AT 1255PM RAIN AND THUNDERSTORMS bHAD MOVED INTO RAPIDES AND GRANT PARISHES MOVING EAST AT 30 MILES AN HOUR.
Special weather statement, May 16, 10:46 AM CDT, 2 hours 6 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE LAKE CHARLES LA 1045 AM CDT TUE MAY 16 1989 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 3 PM FOR CENTRAL AND PORTIONS OF SOUTHWEST LOUISIANA... AT 1039 AM RADAR SHOWED THUNDERSTORMS WITH VERY HEAVY RAIN NORTHWEST OF MANY IN NORTHWEST LOUISIANA. RAIN AND THUNDERSTORMS WERE GENERALLY NORTH OF A LINE FROM JENA TO THE SOUTHERN END OF TOLEDO BEND RESERVOIR...AND WEST OF A LINE FROM DE QUINCY TO THE SOUTHERN END OF TOLEDO BEND RESERVOIR.
Special weather statement, May 16, 11:36 AM CDT, 1 hour 16 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE LAKE CHARLES LA 1140 AM CDT TUE MAY 16 1989 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 3 PM FOR CENTRAL AND PORTIONS OF SOUTHWEST LOUISIANA... AT 1126 AM...RADAR SHOWED THUNDERSTORMS WITH VERY HEAVY RAIN IN THE MANY AREA IN NORTHWEST LOUISIANA. OTHERWISE A LARGE AREA OF RAIN AND THUNDERSTORMS WAS GENERALLY NORTH OF A LINE FROM KOUNTZE TEXAS...TO DE QUINCY...TO LEESVILLE...TO JENA. MOVEMENT WAS EAST AT 30 MPH.
Special weather statement, May 16, 12:32 PM CDT, 20 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE LAKE CHARLES LA 1233 PM CDT TUE MAY 16 1989 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 3 PM FOR CENTRAL AND PORTIONS OF SOUTHWEST LOUISIANA... ...A FLASH FLOOD WATCH IS IN EFFECT FOR TODAY FOR VERNON PARISH... AT 1225 PM...RADAR SHOWED THUNDERSTORMS WITH VERY HEAVY RAIN JUST NORTH OF MANY...AND OVER TOLEDO BEND RESERVOIR SOUTHWEST OF MANY. OTHERWISE A LARGE AREA OF R;AIN AND THUNDERSTORMS WAS GENERALLY NORTH OF A LINE FROM RAYBURN LAKE TEXAS TO ALEXANDRIA...AND WEST OF A LINE FROM DE QUICNY TO RAYBURN LAKE TEXAS. MOVEMENT WAS EAST AT 30 MPH.
The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 16, 9:14 AM CDT | Tornado Warning | LCH | Nacogdoches | 46 min |
| May 16, 9:45 AM CDT | Tornado Warning | LCH | Sabine, San Augustine | 45 min |
| May 16, 12:12 PM CDT | Flash Flood Warning | LCH | Nacogdoches | 2 hr |
Nearby
Flash Flood Warnings in Texas, 1989Every flash flood warning in 1989
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.