Alert archive / Alabama / Flash Flood Warnings in 1990
Flash Flood Warning 3, NWS Mobile, AL
NWS Mobile, AL issued this flash flood warning at Mar 15, 1990, 10:58 AM CST for Mobile County, Alabama; Jackson County, Mississippi. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Mar 15, 1990, 10:58 AM CST (16:58 UTC)
- Expired
- Mar 15, 1990, 2:00 PM CST
- In force
- 3 hr
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
Counties Mobile County, AL, Jackson County, MS
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
Slidell Radar S, LA (KSIL), launched 12:00Z, 5.0 hours before the alert went out and 129 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
- 3603 m above ground
- 0-6 km bulk shear
- 70 kt
- 0-1 km storm-relative helicity
- 82 m²/s²
- 0-3 km storm-relative helicity
- 130 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 KMOB 151700 FFWMOB ALC097-MSC059-152000- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE MOBILE AL 1058 AM CST THU MAR 15 1990 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 200 PM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHWEST ALABAMA ...NORTHWESTERN MOBILE COUNTY IN SOUTHEAST MISSISSIPPI ...SOUTHEASTERN JACKSON COUNTY AT 1050 AM THE MOBILE RADAR SHOWED A LINE OF STRONG THUNDERSTORMS FROM NEAR CITRONELLE IN MOBILE COUNTY SOUTHWEST TO JUST EAST OF OCEAN SPRINGS MISSISSIPPI IN JACKSON COUNTY THEN EXTENDING SOUTHWEST INTO THE GULF BEYOND 50 MILES. THE LINE HAS NOW BECOME STATIONARY WITH THE THUNDERSTORMS CONTINUING TO MOVE NORTH NORTHEAST UP THE LINE AT 30 MPH. THESE THUNDERSTORMS ARE MOVING OVER AN AREA ALREADY SATURATED WITH HEAVY RAINFALL THIS MORNING. RADAR INDICATIONS ARE THAT 1 TO 2 INCHES OF RAIN HAS FALLEN IN THE WARNING AREA SINCE 7 AM. AN ADDITIONAL 2 TO 3 INCHES ARE POSSIBLE THE REMAINDER OF THE MORNING AND THIS AFTERNOON. A PUBLIC REPORT FROM BIG POINT IN EASTERN JACKSON COUNTY INDICATES BLINDING RAINFALL IS NOW OCCURRING. IF THE LINE DRIFTS EITHER EAST OR WEST THE WARNING WILL BE EXTENDED IN THE DIRECTION OF THE DRIFT. 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.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 15, 1:07 PM CST | Flash Flood Warning | MOB | Mobile | 3 hr |
| Mar 15, 3:11 PM CST | Flash Flood Warning | MOB | Baldwin | 3 hr |
| Mar 15, 4:13 PM CST | Tornado Warning | MOB | Baldwin | 32 min |
| Mar 15, 8:20 AM CST | Severe Thunderstorm Warning | MOB | Jackson | 40 min |
Nearby
Flash Flood Warnings in Alabama, 1990Flash Flood Warnings in Mississippi, 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.