Alert archive / Texas / Flash Flood Warnings in 1991
Flash Flood Warning 49, NWS Shreveport, LA
NWS Shreveport, LA issued this flash flood warning at Apr 14, 1991, 10:30 AM CDT for Cass County, Harrison County, Marion County, Texas. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Apr 14, 1991, 10:30 AM CDT (15:30 UTC)
- Expired
- Apr 14, 1991, 2:30 PM CDT
- In force
- 4 hr
- Issued by
- NWS Shreveport, LA
- Area
- Whole counties
Counties Cass County, TX, Harrison County, TX, Marion County, TX
The nearest sounding before it
Longview/Gregg, TX (KGGG), launched 12:00Z, 3.5 hours before the alert went out and 56 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
- 1677 J/kg
- Mixed-layer CIN
- -30 J/kg
- Mixed-layer LCL
- 572 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 176 m²/s²
- 0-3 km storm-relative helicity
- 206 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSHV 141529 FFWSHV ARC027-057-073-091-099-LAC013-015-017-027-031-081-085-119-TXC401- 419-365-203-315-067-141930- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SHREVEPORT LA 1030 AM CDT SUN APR 14 1991 THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 230 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS.. IN SOUTHWEST ARKANSAS ...COLUMBIA COUNTY...SOUTHERN HEMPSTEAD COUNTY...LAFAYETTE COUNTY ...SOUTHERN MILLER COUNTY...SOUTHERN NEVADA COUNTY IN NORTHWEST LOUISIANA ...WESTERN BIENVILLE PARISH...BOSSIER PARISH...CADDO PARISH ...WESTERN CLAIBORNE PARISH...DESOTO PARISH...RED RIVER PARISH ...SABINE PARISH...WEBSTER PARISH IN NORTHEAST TEXAS ...RUSK COUNTY...SHELBY COUNTY...PANOLA COUNTY...HARRISON COUNTY ...MARION COUNTY...EASTERN CASS WIDESPREAD RAIN SHOWERS CONTINUE ACROSS ALL OF THE ARKLATEX...WITH NUMEROUS MODERATE TO HEAVY SHOWERS AND SCATTERED THUNDERSTORMS IN A 80 MILE WIDE AREA FROM EAST CENTRAL TEXAS NORTHEASTWARD ACROSS ALL OF NORTHWEST LOUISIANA AND IMMEDIATE ADJACENT AREAS OF NORTHEAST TEXAS AND SOUTHERN ARKANSAS. ADDITIONAL NEW RAINFALL OF ONE TO THREE INCHES HAS OCCURRED ACROSS THESE AREAS SINCE EARLY THIS MORNING. THIS IS IN THE SAME AREA THAT HAS RECEIVED HEAVY TO EXCESSIVE RAINFALL OVER THE PAST THREE DAYS. WITHIN THE AREA HEAVIER RAINFALL AMOUNTS HAS FALLEN OVER NORTHERN DESOTO...SOUTHEAST CADDO...SOUTHERN BOSSIER...AND WEBSTER PARISHES. RAINFALL HAS POSSIBLY EXCEEDED FOUR INCHES IN SOME OF THOSE AREAS. WITHIN THE LARGE AREA OF RAIN AND THUNDERSTORMS...A BAND OF STRONG THUNDERSTORMS WERE INDICATED FROM SOUTHWEST OF HOMER TO SOUTHEAST OF MANSFIELD. THESE STORMS WILL CONTINUE TO PRODUCE HIGH WIND GUSTS...FREQUENT LIGHTNING...AND SMALL HAIL. THE ENTIRE ARKLATEX HAS RECEIVED HEAVY RAINFALL THE PAST THREE DAYS ALONG WITH SOUTHEAST OKLAHOMA. MANY SMALL STREAMS ARE IN FLOOD...AND LOW WATER CROS_SINGS ARE FLOODED. DO NOT ATTEMPT TO DRIVE THROUGH FLOODED ROADWAYS.
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, Apr 14, 5:16 AM CDT, 5 hours 14 minutes before
OKZ040-021-034-TXZ022-023-027-028-032-033-ARZ009-010-011-016-LAZ001- 002-003-004-005-006-141230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 515 AM CDT SUN APR 14 1991 ...A FLASH FLOOD WATCH IN EFFECT TODAY FOR NORTHEAST TEXAS..SOUTHWEST ARKANSAS..AND NORTH LOUISIANA... ...A SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 800 AM CDT FOR PARTS OF CENTRAL AND SOUTHERN TEXAS... ...DENSE FOG ACROSS PARTS OF THE ARKLATEX REGION... AT 505 AM CDT WEATHER SERVICE RADAR IN SHREVEPORT SHOWED WIDELY SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS OVER NORTHEAST LOUISIANA AND THE ADJACENT SECTIONS OF SOUTHEAST ARKANSAS AND WESTERN MISSISSIPPI. THE HEAVIER THUNDERSTORMS WERE INDICATED FROM NORTHWEST OF JENA SOUTHWEST TO NEAR COLFAX LOUISIANA. OTHER ISOLATED SHOWERS AND THUNDERSTORMS WERE INDICATED NEAR ST JOSEPH AND RAYVILLE AND FROM RUSTON TO NEAR BIENVILLE LOUISIANA. THE SHOWERS AND THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT NEAR 40 MPH. . DENSE FOG HAS DEVELOPED ACROSS PARTS OF THE ARKLATEX REGION REDUCING VISIBILITIES TO AS LOW AND ONE QUARTER OF A MILE OR LESS IN SOME AREAS. EARLY MORNING MOTORISTS MAY WANT TO LEAVE FOR THEIR DESTINATIONS A LITTLE EARLIER TO ALLOW FOR SLOWER SPEEDS. A FLASH FLOOD WATCH MEANS THAT HEAVY RAINS MAY CAUSE FLASH FLOODING. HEAVY RAINS ARE POSSIBLE ACROSS NORTHEAST TEXAS..SOUTH ARKANSAS..AND NORTH LOUISIANA TODAY WITH AMOUNTS OF UP TO THREE INCHES POSSIBLE. THIS RAIN OVER ALREADY SATURATED SOILS CAN CAUSE FLOODING IN A SHORT PERIOD OF TIME..PERSONS SHOULD REMAIN ALERT TO VERY HEAVY RAINS TODAY AND PREPARED TO MOVE TO HIGHER GROUND IF NECESSARY. ALONG WITH THE HEAVY RAINS..SOME STROMS TODAY MAY BE SEVERE. WITH WATERS CONTINUING TO DRAIN INTO THE LOWER REACHES OF SOME CREEKS..STREAMS..DRAINAGE DITCHES..AND BAYOUS..SOME RURAL AND SECONDARY ROADS AND LOW WATER CROSSINGS WILL CONTINUE TO EXPERIENCE HIGH WATER.
Special weather statement, Apr 14, 5:54 AM CDT, 4 hours 36 minutes before
OKZ040-021-034-TXZ022-023-027-028-032-033-ARZ009-010-011-016-LAZ001- 002-003-004-005-006-141230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 555 AM CDT SUN APR 14 1991 ...THUNDERSTORM PRODUCING HEAVY RAINFALL MOVING INTO FRANKLIN PARISH IN NORTHEAST LOUISIANA... ...A FLASH FLOOD WATCH IN EFFECT TODAY FOR NORTHEAST TEXAS..SOUTHWEST ARKANSAS..AND NORTH LOUISIANA... ...SEVERE THUNDERSTORM WATCH TILL 8 AM TODAY IN PARTS OF EAST TEXAS... AT 545 AM CDT WEATHER SERVICE RADAR IN SHREVEPORT SHOWED A 30 MILE WIDE AREA OF SHOWERS AND THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL OVER NORTHEAST LOUISIANA. THIS AREA EXTENDED FROM JENA LOUISIANA TO 10 MILES SOUTH OF WINNSBORO. MOVEMENT WAS TO THE NORTHEAST AT 30 MPH. VERY HEAVY RAINFALL...STRONG GUSTY WINDS...AND DANGEROUS LIGHTNING WILL BE LIKELY AS THESE STORMS MOVE NORTHEAST ACROSS FRANKLIN...MADISON... AND TENSAS PARISHES OF NORTHEAST LOUISIANA. . ELSEWHERE RADAR SHOWED SHOWERS AND ISOLATED THUNDERSTORMS CONTINUING TO DEVELOP OVER EAST TEXAS INTO NORTHWEST LOUISIANA. MOVEMENT WAS TO THE NORTHEAST AT 30 MPH. INTENSITIES AND AREA COVERAGE WERE INCREASING. DENSE FOG HAS DEVELOPED ACROSS PARTS OF THE AREA REDUCING VISIBILITIES TO AS LOW AND ONE QUARTER OF A MILE OR LESS IN SOME AREAS. EARLY MORNING MOTORISTS MAY WANT TO LEAVE FOR THEIR DESTINATIONS A LITTLE EARLIER TO ALLOW FOR SLOWER SPEEDS. A FLASH FLOOD WATCH MEANS THAT HEAVY RAINS MAY CAUSE FLASH FLOODING. HEAVY RAINS ARE POSSIBLE ACROSS NORTHEAST TEXAS..SOUTH ARKANSAS..AND NORTH LOUISIANA TODAY WITH AMOUNTS OF UP TO THREE INCHES POSSIBLE. THIS RAIN OVER ALREADY SATURATED SOILS CAN CAUSE FLOODING IN A SHORT PERIOD OF TIME..PERSONS SHOULD REMAIN ALERT TO VERY HEAVY RAINS TODAY AND PREPARED TO MOVE TO HIGHER GROUND IF NECESSARY. ALONG WITH THE HEAVY RAINS..SOME STORMS TODAY MAY BE SEVERE. WITH WATERS CONTINUING TO DRAIN INTO THE LOWER REACHES OF SOME CREEKS..STREAMS..DRAINAGE DITCHES..AND BAYOUS..SOME RURAL AND SECONDARY ROADS AND LOW WATER CROSSINGS WILL CONTINUE TO EXPERIENCE HIGH WATER.
Special weather statement, Apr 14, 6:16 AM CDT, 4 hours 14 minutes before
OKZ040-021-034-TXZ022-023-027-028-032-033-ARZ009-010-011-016-LAZ001- 002-003-004-005-006-141300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 615 AM CDT SUN APR 14 1991 ...DENSE FOG ADVISORY IS IN EFFECT UNTIL 800 AM CDT... THE NATIONAL WEATHER SERVICE HAS ISSUED A DENSE FOG ADVISORY FOR THE NORTHWEST SECTIONS OF LOUISIANA AND THE ADJACENT AREAS OF NORTHEAST TEXAS. THIS ADVISORY WILL BE IN EFFECT UNTIL 800 AM. THE VISIBILITY AT THE SHREVEPORT REGIONAL AIRPORT AT 600 AM WAS 1/4 MILE...AND A BARKSDALE AFB IN BOSSIER CITY THE VISIBILITY WAS 3/4 OF A MILE. IN ADDITION...THE VISIBILITY AT LONGVIEW TEXAS WAS 1/2 MILE. THE FOG IS PATCHY...SO IN PLACES THE VISIBILITY COULD DROP TO NEAR ZERO. PLEASE DRIVE WITH EXTREME CAUTION THIS MORNING. EVEN AFTER SUNRISE IT IS ADVISABLE THAT YOU DRIVE WITH YOUR LOW BEAM HEADLIGHTS SO THAT OTHER MOTORISTS CAN SEE YOU.
Special weather statement, Apr 14, 6:32 AM CDT, 3 hours 58 minutes before
OKZ040-021-034-TXZ022-023-027-028-032-033-ARZ009-010-011-016-LAZ001- 002-003-004-005-006-141300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 625 AM CDT SUN APR 14 1991 ...THUNDERSTORMS CONTINUE TO DEVELOP OVER EAST TEXAS AND PARTS OF NORTH- WEST LOUISIANA... ...DENSE FOG ADVISORY IS IN EFFECT UNTIL 800 AM CDT FOR NORTHWEST LOUISIANA AND ADJANCENT AREAS OF NORTHEAST TEXAS... ...A FLASH FLOOD WATCH IN EFFECT TODAY FOR NORTHEAST TEXAS..SOUTHWEST ARKANSAS..AND NORTH LOUISIANA... ...SEVERE THUNDERSTORM WATCH TILL 8 AM TODAY IN PARTS OF EAST TEXAS... AT 625 AM CDT WEATHER SERVICE RADAR IN SHREVEPORT SHOWED A DEVELOPING AREA OF SHOWERS AND THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL OVER EAST TEXAS INTO NORTHWEST LOUISIANA. THIS AREA WAS 25 MILES WIDE AND EXTENDED FROM 30 MILES WEST OF LUFKIN TEXAS TO NACOGADOCHES TO CENTER ON TO MANSFIELD LOUISIANA AND KORAN. VERY HEAVY RAINFALL...DANGEROUS LIGHTNING...STRONG GUSTY WINDS AND SMALL HAIL ARE LIKELY WITH THE STRONGER THUNDERSTORMS WHICH WERE LOCATED FROM CENTER TEXAS TO MANSFIELD LOUISIANA. MOVEMENT WAS TO THE NORTHEAST AT 30 MPH. ELSEWHERE RADAR SHOWED SHOWERS AND THUNDERSTORMS CONTINUING OVER EAST TEXAS WEST OF A LINE FROM TYLER TO GROVETON TEXAS. IN NORTHEAST LOUISIANA SHOWERS AND THUNDERSTORMS WERE LOCATED NEAR ST JOSEPH AND JUST SOUTH OF TALLULAH LOUISIANA. MOVEMENT WAS ALSO TO THE NORTHEAST. A FLASH FLOOD WATCH MEANS THAT HEAVY RAINS MAY CAUSE FLASH FLOODING. HEAVY RAINS ARE POSSIBLE ACROSS NORTHEAST TEXAS..SOUTH ARKANSAS..AND NORTH LOUISIANA TODAY WITH AMOUNTS OF UP TO THREE INCHES POSSIBLE. THIS RAIN OVER ALREADY SATURATED SOILS CAN CAUSE FLOODING IN A SHORT PERIOD OF TIME..PERSONS SHOULD REMAIN ALERT TO VERY HEAVY RAINS TODAY AND PREPARED TO MOVE TO HIGHER GROUND IF NECESSARY. ALONG WITH THE HEAVY RAINS..SOME STORMS TODAY MAY BE SEVERE. FOG HAS REDUCED VISIBILITIES TO LESS THAN ONE HALF MILE IN SOME AREAS. MOTORISTS ARE URGED TO USE CAUTION THIS MORNING.
Special weather statement, Apr 14, 8:32 AM CDT, 1 hour 58 minutes before
OKZ040-021-034-TXZ022-023-027-028-032-033-ARZ009-010-011-016-LAZ001- 002-003-004-005-006-141400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 830 AM CDT SUN APR 14 1991 ...DENSE FOG ADVISORY HAS BEEN CANCELLED... THE NATIONAL WEATHER SERVICE HAS CANCELLED THE DENSE FOG ADVISORY FOR THE NORTHWEST SECTIONS OF LOUISIANA AND THE ADJACENT AREAS OF NORTHEAST TEXAS. THE CONDITIONS HAVE IMPROVED IN TERMS OF THE AMOUNTS OF FOG.
The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 13, 7:32 PM CDT | Severe Thunderstorm Warning | SHV | Shelby | 58 min |
| Apr 14, 7:30 AM CDT | Severe Thunderstorm Warning | SHV | Rusk | 60 min |
| Apr 14, 7:35 AM CDT | Flash Flood Warning | SHV | Panola, Rusk | 3 hr |
| Apr 14, 7:35 AM CDT | Severe Thunderstorm Warning | SHV | Panola, Rusk | 3 hr |
| Apr 14, 8:43 AM CDT | Flash Flood Warning | SHV | Harrison, Marion | 3 hr |
| Apr 14, 8:43 AM CDT | Severe Thunderstorm Warning | SHV | Harrison, Marion | 3 hr |
| Apr 14, 10:30 AM CDT | Flash Flood Warning | SHV | Panola, Shelby | 4 hr |
| Apr 14, 10:30 AM CDT | Flash Flood Warning | SHV | Rusk | 4 hr |
Nearby
Flash Flood Warnings in Texas, 1991Every flash flood warning in 1991
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.