Alert archive / Louisiana / Flash Flood Warnings in 1990
Flash Flood Warning 27, NWS Shreveport, LA
NWS Shreveport, LA issued this flash flood warning at May 3, 1990, 4:16 PM CDT for Red River Parish, Louisiana. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- May 3, 1990, 4:16 PM CDT (21:16 UTC)
- Expired
- May 3, 1990, 7:15 PM CDT
- In force
- 3 hr
- Issued by
- NWS Shreveport, LA
- Area
- Whole counties
County Red River 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
Longview/Gregg, TX (KGGG), launched 12:00Z, 9.3 hours before the alert went out and 122 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
- 200 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 702 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 129 m²/s²
- 0-3 km storm-relative helicity
- 242 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSHV 032119 FFWSHV LAC013-031-081-119-TXC419-040015- BULLETIN - EBS ACTIVATION REQUESTED SEVERE THUNDERSTORM AND FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SHREVEPORT LA 416 PM CDT THU MAY 3 1990 THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A SEVERE THUNDERSTORM AND FLASH FLOOD WARNING EFFECTIVE UNTIL 715 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS.. IN NORTHWEST LOUISIANA ...BIENVILLE PARISH...DESOTO PARISH...RED RIVER PARISH ...WEBSTER PARISH IN NORTHEAST TEXAS ...SHELBY COUNTY AT 410 PM CDT WEATHER SERVICE RADAR INDICATED SEVERE THUNDESTORMS OVER NORTHWEST LOUISIANA AND EAST TEXAS IN A WIDE BAND FROM NEAR RINGGOLD AND SHREVEPORT LOUISIANA SOUTHWEST INTO EAST TEXAS TO NEAR TENAHA AND CENTER TEXAS. THE STORMS WERE MOVING TO THE NORTHEAST AT 35 MPH. THE SEVERE THUNDERSTORMS WERE WITHIN A BAND OF SHOWERS AND THUNDER- STORMS THAT WERE PRODUCING VERY HEAVY RAINS FROM NEAR ELDORADO ARKANSAS SOUTHWEST ACROSS NORTHWEST LOUISIANA AND INTO EAST TEXAS TO NEAR NACOGDOCHES AND LUFKIN. THE SHOWERS AND THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 35 MPH. THE HEAVY RAINS HAVE PRODUCED LOW AREA FLOODING IN PARTS OF SHELBY COUNTY AND SOUTHEAST PANOLA COUNTY TEXAS AND IN PARTS OF DESOTO AND SOUTHERN SECTIONS OF CADDO AND BOSSIER PARISHES. ...SEVERE THUNDERSTORM WARNING REMAINED IN EFFECT UNTIL 645 PM FOR CADDO AND BOSSIER PARISHES... A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS.
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 3, 2:14 PM CDT, 2 hours 2 minutes before
OKZ026-TXZ022-023-027-028-032-033-ARZ009-010-011-016-LAZ001-002- 003-004-005-006-032100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 210 PM CDT THU MAY 3 1990 ...A FLASH FLOOD WATCH IS IN EFFECT THIS AFTERNOON FOR NORTHEAST TEXAS SOUTHWEST ARKANSAS AND SOUTHEAST OKLAHOMA... ...A FLASH FLOOD WATCH HAS ALSO BEEN ISSUED FOR NORTHWEST LOUISIANA FOR THE REMAINDER OF THIS AFTERNOON AND TONIGHT... AT 200 PM CDT..NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT INDICATED A THUNDERSTORM PODUCING VERY HEAVY RAINFALL MOVING INTO SOUTHEAST RUSK AND WESTERN SHELBY COUNTIES OF EAST TEXAS. THIS THUNDERSTORM WAS 15 MILES WEST OF CENTER TEXAS. THE THUNDERSTORM IS ALSO CAPABLE OF PRODUCING STRONG GUSTY WINDS...SMALL HAIL AND DANGEROUS LIGHTNING. MOVEMENT WAS NORTHEAST AT 25 TO 30 MILES AN HOUR. THIS THUNDERSTORM WAS PART OF A LARGER AREA OF RAIN AND THUNDERSTORMS THAT STRETCHED FROM MENA AND FORDYCE ARKANSAS SOUTHWEST TO SHREVEPORT 9ND TYLER TO LUFKIN. THE AREA OF RAINFALL WAS MOVING EAST AT 10 TO 15 MILES AN HOUR. PERSONS LIVING IN LOW LYING OR FLOOD PRONE AREAS OR NEAR LAKES..RIVERS AND STREAMS THAT ARE AT HIGHS LEVELS OR FORECAST TO REACH HIGH LEVELS.. SHOULD) BE PREPARED TO MOVE TO HIGHER GROUND IF HEAVY RAINS OCCUR OR A WARNING IS ISSUED FOR YOUR AREA. STAY TUNED TO TV..RADIO AND NOAA WEATHER RADIO FOR THE LATEST WEATHER INFORMATION.
The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 3, 3:11 PM CDT | Flash Flood Warning | SHV | De Soto | 64 min |
| May 3, 3:11 PM CDT | Severe Thunderstorm Warning | SHV | De Soto | 64 min |
| May 3, 3:36 PM CDT | Flash Flood Warning | SHV | Bossier, Caddo | 3 hr |
| May 3, 3:36 PM CDT | Severe Thunderstorm Warning | SHV | Bossier, Caddo | 3 hr |
| May 3, 4:16 PM CDT | Flash Flood Warning | SHV | Bienville, Webster | 3 hr |
| May 3, 4:16 PM CDT | Flash Flood Warning | SHV | De Soto | 3 hr |
| May 3, 4:16 PM CDT | Severe Thunderstorm Warning | SHV | De Soto, Red River | 3 hr |
| May 3, 4:16 PM CDT | Severe Thunderstorm Warning | SHV | Bienville, Webster | 3 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.