Alert archive / Louisiana / Flash Flood Warnings in 1990
Flash Flood Warning 63, NWS Shreveport, LA
NWS Shreveport, LA issued this flash flood warning at May 31, 1990, 1:45 PM CDT for Caldwell Parish, Franklin Parish, Louisiana. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- May 31, 1990, 1:45 PM CDT (18:45 UTC)
- Expired
- May 31, 1990, 5:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS Shreveport, LA
- Area
- Whole counties
Counties Caldwell Parish, LA, Franklin Parish, LA
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
Jackson, MS (KJAN), launched 12:00Z, 6.8 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 908 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 61 m²/s²
- 0-3 km storm-relative helicity
- 98 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 KSHV 311859 FFWSHV TXC183-203-LAC065-041-021-107-312200- BULLETIN...EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SHREVEPORT LA 145 PM CDT THU MAY 31 1990 THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 500 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES/PARISHES IN NORHTEAST LOUISIANA... MADISON..FRANKLIN..TENSAS..CALDWELL NORTHEAST TEXAS... GREGG...HARRISON HEAVY RAINS CONTINUE IN PARTS OF MADISON PARISH AND GREGG AND HARRISON COUNTIES AND FLOODING WILL CONTINUE. FLOODING WILL AFFECT SECONDARY ROADS ALONG WITH CONSIDERABLE URBAN STREET AND UNDERPASS FLOODING. FLASH FLOOD WARNINGS REMAIN IN EFFECT FOR THE FOLLOWING PARISHES AND COUNTIES: IN NORTH LOUISIANA..OUACHITA..NORTHERN SABINE..SOUTHERN CADDO SOUTHERN BOSSIER..SOUTHERN WEBSTER..DESOTO..NORTHWEST WINN..BIENVILLE.. NORTHERN NATCHITOCHES..JACKSON..LINCOLN..SOUTHWEST UNION..SOUTHERN CLAIBORNE..RED RIVER. WARNINGS WILL LIKELY BE EXTENDED LATER THIS AFTERNOON FOR THESE PARISHES. IN NORTHEAST TEXAS..SHELBY..RUSK..PANOLA. WARNINGS WILL LIKELY BE EXTENDED FOR THESE COUNTIES LATER THIS AFTERNOON. AT 130 PM NATIONAL WEATHER SERVICE RADAR CONTINUED TO INDICATE NUMEROUS SHOWERS AND SCATTERED STRONG THUNDERSTORMS IN A 60 MILE WIDE AREA FROM THE MISSISSIPPI RIVER NEAR TALLULAH WESTWARD ALONG AND GENERALLY SOUTH OF INTERSTATE 20 ACROSS NORTHWEST LOUISIANA AND INTO NORTHEAST TEXAS. RAINFALL AMOUNTS OF 3 TO 4 INCHES HAVE BEEN COMMON IN THIS AREA THIS MORNING. ALSO RAINFALL AMOUNTS OF 2 TO 4 INCHES FELL ACROSS THE SOUTHERN PARTS OF NORTHEAST TEXAS AND NORTHWEST LOUISIANA WEDNESDAY NIGHT WITH ISOLATED AMOUNTS OF UP TO 6 INCHES. THE COMBINATION OF THESE RAINFALLS AND HIGH STAGES ON MAJOR STREAMS IN THE AREA HAVE OR WILL CAUSE EXTENSIVE LOW LAND FLOODING AND NUMEROUS ROAD CLOSURES ARE LIKELY. MOTORISTS ARE ADVISED TO AVOID DRIVING THROUGH FLOODED ROADWAYS. ROADWAYS WILL REMAIN FLOODED LONG AFTER THE RAIN ENDS AND STORM RAINFALL TOTALS FROM WEDNESDAY EVENING THROUGH THIS EVENING WILL RANGE FROM 4 TO 10 INCHES FOR THE WARNED AREA.
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, May 31, 8:07 AM CDT, 5 hours 38 minutes before
OKZ026-TXZ022-023-027-028-032-033-ARZ009-010-011-016-LAZ001-002- 003-004-005-006-311400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 805 AM CDT THU MAY 31 1990 ...SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS CONTINUED TO LINGER OVER PARTS OF EAST TEXAS..SOUTHERN ARKANSAS AND NORTH LOUISIANA..WITH REDEVELOPMENT OVER EAST TEXAS... AT 800 AM CDT THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT SHOWED A 30 MILE WIDE AREA OF SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS THAT EXTENDED FROM NEAR CROSSETT ARKANSAS ACROSS THE LOUISIANA/ARKANSAS BORDER TO SOUTH OF CANFIELD ARKANSAS. THUNDERSTORMS THAT WERE PRODUCING GUSTY WINDS...HEAVY RAINS AND PEA SIZE HAIL WERE LOCATED WEST OF EL DORADO ARKANSAS AND AT SHONGALOO LOUISIANA. SCATTERED SHOWERS AND THUNDERSTORMS WERE ALSO NOTED IN A 35 MILE WIDE AREA THAT EXTENDED FROM NEAR VICKSBURG MISSISSIPPI TO NEAR MONROE LOUISIANA. A THUNDERSTORM THAT WAS PRODUCING HEAVY RAINS..GUSTY WINDS WINDS AND PEA SIZE HAIL WAS NOTED EAST OF MONROE LOUISIANA. MOVEMENT WAS EAST AT 35 TO 40 MILES AN HOUR. ANOTHER AREA OF SCATTERED SHOWERS AND THUNDERSTORMS...ABOUT 40 MILES WIDE...EXTENDED FROM NEAR ROBELINE LOUISIANA ACROSS TIMPSON TEXAS TO NORTHWEST OF TYLER TEXAS. WITHIN THIS AREA THUNDERSTORMS THAT WERE PRODUCING GUSTY WINDS...PEA SIZE HAIL AND HEAVY RAINS WERE LOCATED NORTH OF KILGORE TEXAS AND 8 MILES NORTHWEST OF OVERTON TEXAS. MOVEMENT OF THIS AREA WAS EAST NORTHEAST NEAR 25 MILES AN HOUR. SCATTERED SHOWERS AND THUNDERSTORMS WILL LINGER OVER THE AREA THIS MORNING WITH SOME REDEVELOPMENT OVER EAST TEXAS. THE SHOWERS AND THUNDERSTORMS WILL BECOME MORE NUMEROUS AND LOCALLY HEAVY THIS AFTERNOON AND EARLY TONIGHT. LOCALLY HEAVY RAINS ARE AGAIN EXPECTED. A FLASH FLOOD WATCH REMAINED IN EFFECT FOR NORTHWEST LOUISIANA TODAY.
The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 30, 8:07 PM CDT | Flash Flood Warning | SHV | Caddo, De Soto | 2 hr |
| May 30, 8:07 PM CDT | Flash Flood Warning | SHV | Bossier, Webster | 2 hr |
| May 30, 8:07 PM CDT | Tornado Warning | SHV | Caddo | 96 min |
| May 30, 8:07 PM CDT | Tornado Warning | SHV | Bossier, Webster | 96 min |
| May 30, 8:07 PM CDT | Tornado Warning | SHV | De Soto | 96 min |
| May 30, 9:43 PM CDT | Severe Thunderstorm Warning | SHV | Bienville, Bossier, Caddo, De Soto, Red River | 3 hr |
| May 30, 9:56 PM CDT | Flash Flood Warning | SHV | Caddo | 4 hr |
| May 30, 9:56 PM CDT | Flash Flood Warning | SHV | De Soto | 4 hr |
| May 30, 9:56 PM CDT | Flash Flood Warning | SHV | Bossier, Red River | 4 hr |
| May 30, 10:40 PM CDT | Severe Thunderstorm Warning | SHV | Natchitoches, Winn | 95 min |
| May 31, 10:25 AM CDT | Severe Thunderstorm Warning | SHV | Union | 95 min |
| May 31, 11:15 AM CDT | Flash Flood Warning | SHV | Caddo, De Soto | 4 hr |
| May 31, 11:15 AM CDT | Flash Flood Warning | SHV | Bienville, Jackson, Lincoln, Ouachita, Winn | 4 hr |
| May 31, 11:15 AM CDT | Flash Flood Warning | SHV | Natchitoches, Sabine | 4 hr |
| May 31, 11:15 AM CDT | Flash Flood Warning | SHV | Bossier, Claiborne, Webster | 4 hr |
| May 31, 11:15 AM CDT | Flash Flood Warning | SHV | Union | 4 hr |
| May 31, 11:15 AM CDT | Flash Flood Warning | SHV | Red River | 4 hr |
| May 31, 1:45 PM CDT | Flash Flood Warning | SHV | Madison, Tensas | 3 hr |
| May 31, 3:00 PM CDT | Flash Flood Warning | SHV | Caddo, De Soto | 4 hr |
| May 31, 3:00 PM CDT | Flash Flood Warning | SHV | Bienville, Caldwell, Jackson, Lincoln, Ouachita, Winn | 4 hr |
| May 31, 3:00 PM CDT | Flash Flood Warning | SHV | Franklin, Madison, Richland | 4 hr |
| May 31, 3:00 PM CDT | Flash Flood Warning | SHV | Natchitoches, Red River, Sabine | 4 hr |
| May 31, 3:00 PM CDT | Flash Flood Warning | SHV | Bossier, Webster | 4 hr |
| May 31, 3:00 PM CDT | Flash Flood Warning | SHV | Tensas | 4 hr |
Nearby
Flash Flood Warnings in Louisiana, 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.