Alert archive / Mississippi / Flash Flood Warnings in 1991
Flash Flood Warning 6, NWS Mobile, AL
NWS Mobile, AL issued this flash flood warning at May 10, 1991, 3:04 PM CDT for George County, Mississippi. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- May 10, 1991, 3:04 PM CDT (20:04 UTC)
- Expired
- May 10, 1991, 6:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
County George County, MS
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 8.1 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
- 38 J/kg
- Mixed-layer CIN
- -182 J/kg
- Mixed-layer LCL
- 841 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 137 m²/s²
- 0-3 km storm-relative helicity
- 220 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMOB 102004 FFWMOB MSC039-102300- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE MOBILE AL 304 PM CDT FRI MAY 10 1991 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 600 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHEAST MISSISSIPPI ...GEORGE COUNTY GEORGE COUNTY MISSISSIPPI CIVIL DEFENSE OFFICE REPORTED RAINFALL IN EXCESS OF FOUR INCHES HAS FALLEN IN AND AROUND LUCEDALE MISSISSIPPI SINCE NOON CDT CAUSING STREET AND FLOOD PRONE AREAS TO FLOOD. HIGHWAY 98 AND ROAD 163 HAS BEEN CLOSED IN THE PAST HOUR IN GEORGE COUNTY... AS WELL AS SOME BACK ROADS IN THE COUNTY. 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 M4OVE UP 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, May 10, 2:30 PM CDT, 34 minutes before
ALZ013-016-015-MSZ013-014-102130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 230 PM CDT FRI MAY 10 1991 ...ONCE AGAIN HEAVY RAINFALL COVERING PARTS OF SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA... AT 225 PM CDT MOBILE RADAR SHOWED A LARGE AREA OF SHOWERS WITH SCATTERED STRONG THUNDERSTORMS OVER EXTREME SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA. THE STRONGEST STORMS WERE FROM SOUTHEAST OF WIGGINS MISSISSIPPI TO SOUTHEAST OF CITRONELLE ALABAMA. THE STORMS WERE TRACKING EAST AT 20 MPH. RESIDENTS IN OR NEAR THE STRONGER STORMS CAN EXPECT HEAVY RAINFALL... CAUSING STREET AND FLOOD PRONE AREAS TO FLOOD BRIEFLY AS THESE STORMS MOVE SLOWLY EAST ACROSS THE AREA FOR THE NE XT COUPLE HOURS.
Nearby
Flash Flood Warnings in Mississippi, 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.