Alert archive / Alabama / Flash Flood Warnings in 1991
Flash Flood Warning 2, NWS Mobile, AL
NWS Mobile, AL issued this flash flood warning at Mar 2, 1991, 11:18 PM CST for Geneva County, Alabama. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Mar 2, 1991, 11:18 PM CST (05:18 UTC)
- Expired
- Mar 3, 1991, 2:15 AM CST
- In force
- 3 hr
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
County Geneva County, AL
The nearest sounding before it
Apalachicola Mun, FL (KAQQ), launched 00:00Z, 5.3 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
- 1156 J/kg
- Mixed-layer CIN
- -38 J/kg
- Mixed-layer LCL
- 536 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- 52 m²/s²
- 0-3 km storm-relative helicity
- 159 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMGM 030520 FFWMGM ALC061-030815- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE MONTGOMERY AL 1118 PM CST SAT MAR 2 1991 THE NATIONAL WEATHER SERVICE IN MONTGOMERY HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 215 AM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH ALABAMA ...GENEVA COUNTY AT 11PM CST NUMERIOUS SHOWERS AND THUNDERSHOWERS WAS MOVING OVER A GENEVA COUNTY CAUSING STREAMS AND DITCHES TO FILL WITH WATER. WATER HAS BEEN REPORTED OVER COUNTY ROAD 49 IN EAST GENEVA COUNTY. OTHER ROADS ARE SUBJECT TO HAVE WATER ON THEM. MOST DEATHS IN FLASH FLOODING 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.
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, Mar 2, 8:33 PM CST, 2 hours 45 minutes before
FLZ001>004-030330- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 840 PM CST SAT MAR 2 1991 ...TORNADO WATCH IN EFFECT UNTIL 1100 PM CDT FOR ESCAMBIA...SANTA ROSA ...AND OKALOOSA COUNTIES... ...A FLASH FLOOD WATCH IS IN EFFECT TONIGHT FOR NORTHWEST FLORIDA... AT 830 PM CST...SEVERAL LARGE THUNDERSTORMS WERE MOVING OVER THE COAST BETWEEN MOBILE ALABAMA AND FT WALTON BEACH FLORIDA. CLUSTERS OF THUNDERSTORMS WERE IN THE COASTAL WATERS OF NORTHWEST FLORIDA FROM MOBILE TO APALACHICOLA FLORIDA. THE LARGER STORMS HAD BECOME FEWER IN NUMBER FOR NOW...BUT THUNDERSTORMS WITH HEAVY RAIN ARE EXPECTED TO CONTINUE DURING THE NIGHT. FLOODING WILL OCCUR AS THE STRONGER STORMS MOVE INLAND. RAINFALL COULD TOATAL AN ADDITIONAL 3 TO 5 INCHES THIS EVENING THROUGH TONIGHT. LISTEN FOR LATER STATEMENTS AS CONDITIONS WARRANT.
Special weather statement, Mar 2, 9:31 PM CST, 1 hour 47 minutes before
FLZ001>004-030430- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 935 PM CST SAT MAR 2 1991 ...TORNADO WATCH IN EFFECT UNTIL 1100 PM CDT FOR ESCAMBIA...SANTA ROSA ...AND OKALOOSA COUNTIES... ...A FLASH FLOOD WATCH IS IN EFFECT TONIGHT FOR NORTHWEST FLORIDA... AT 930 PM CST...RAIN AND THUNDERSTORMS WERE MOVING INLAND FROM THE GULF FROM THE MISSISSIPPI COAST TO APALACHICOLA FLORIDA. SEVERAL OF THE THUNDERSTORMS WERE PRODUCING HEAVY RAINFALL ALONG THE COAST OF NORTHWEST FLORIDA. FLOODING OF STREETS AND LOW AREAS IS OCCURRING OVER THE COASTAL SECTIONS OF THE FLORIDA PANHANDLE. ADDITIONAL FLOODING IS LIKELY AS THE HEAVY RAINS MOVE FARTHER INLAND DURING THE EVENING. MORE HEAVY RAIN IS INDICATED IN THUNDERSTORMS CLUSTERED IN THE COASTAL WATERS OF NORTHWEST FLORIDA...AND THESE STORMS WERE MOVING TOWARD LAND AROUND 40 MPH. ADDITIONAL STATEMENTS OR WARNINGS WILL BE ISSUED AS NEEDED.
Special weather statement, Mar 2, 10:05 PM CST, 1 hour 13 minutes before
ALZ016-MSZ014-013-030500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 1005 PM CST SAT MAR 2 1991 ...TORNADO WATCH NUMBER 25 IS IN EFFECT FOR MOBILE AND BALDWIN COUNTIES OF SOUTHWEST ALABAMA AND ALL COUNTIES OF SOUTHEAST MISSISSIPPI UNTIL 11 PM... MOBILE RADAR AT 1000 PM CST SHOWED THE LARGE AREA OF SHOWERS WITH EMBEDDED STRONG THUNDERSTORMS ENDING ACROSS SOUTHEAST MISSISSIPPI BUT STILL COVERED MOST OF SOUTHWEST ALABAMA. THE STRONGEST STORMS WERE IN WESTCENTRAL MOBILE AND NORTH BALDWIN COUNTIES OF SOUTHWEST ALABAMA. THE STORMS WERE MOVING NORTHEAST AT 40 MPH. THE STORMS WERE CAPABLE OF PRODUCING GUSTY WINDS... DANGEROUS LIGHTNING ... AND SMALL SIZE HAIL AS THEY TRACK &NORTHEAST ACROSS SOUTHWEST ALABAMA FOR THE NEXT TWO HOURS.
Special weather statement, Mar 2, 10:05 PM CST, 1 hour 13 minutes before
ALZ016-MSZ014-013-030500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 1005 PM CST SAT MAR 2 1991 ...TORNADO WATCH NUMBER 25 IS IN EFFECT FOR MOBILE AND BALDWIN COUNTIES OF SOUTHWEST ALABAMA... ...TORNADO WATCH NUMBER 25 HAS BEEN CANCELLED FOR SOUTHEAST MISSISSIPPI... MOBILE RADAR AT 1000 PM CST SHOWED THE LARGE AREA OF SHOWERS WITH EMBEDDED STRONG THUNDERSTORMS ENDING ACROSS SOUTHEAST MISSISSIPPI BUT STILL COVERED MOST OF SOUTHWEST ALABAMA. THE STRONGEST STORMS WERE IN WESTCENTRAL MOBILE AND NORTH BALDWIN COUNTIES OF SOUTHWEST ALABAMA. THE STORMS WERE MOVING NORTHEAST AT 40 MPH. THE STORMS WERE CAPABLE OF PRODUCING GUSTY WINDS... DANGEROUS LIGHTNING ... AND SMA/LL SIZE HAIL AS THEY TRACK NORTHEAST ACROSS SOUTHWEST ALABAMA FOR THE NEXT TWO HOURS.
Special weather statement, Mar 2, 10:34 PM CST, 44 minutes before
FLZ001>004-0305430- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 1035 PM CST SAT MAR 2 1991 ...TORNADO WATCH IN EFFECT UNTIL 1100 PM CDT FOR ESCAMBIA...SANTA ROSA ...AND OKALOOSA COUNTIES... ...A FLASH FLOOD WATCH IS IN EFFECT TONIGHT FOR NORTHWEST FLORIDA... AT 1030 PM CST...RAIN AND THUNDERSTORMS WERE MOVING INLAND FROM THE GULF OVER NORTHWEST FLORIDA AND INTO ALABAMA. SEVERAL OF THE THUNDERSTORMS INDICATED HEAVY RAIN IN OKALOOSA COUNTY FLORIDA AND BALDWIN COUNTY OF ALABAMA. NUMEROUS THUNDERSTORMS WERE CLUSTERED IN THE GULF WITH SEVERAL NEARING PANAMA CITY FLORIDA AND THE BAY COUNTY COAST. FLOODING REMAINS A PROBLEM WITH THE STORMS AS THEY MOVE NOgRTHEAST NEAR 40 MPH.
Special weather statement, Mar 2, 11:00 PM CST, 18 minutes before
ALZ016-MSZ014-013-030530- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 1100 PM CST SAT MAR 2 1991 ...TORNADO WATCH NUMBER 25 HAS BEEN CANCELLED FOR SOUTHWEST ALABAMA... MOBILE RADAR AT 1055 PM CST SHOWED PATCHES OF RAIN AND ISOLATED THUNDERSTORMS DECREASING OVER SOUTHWEST ALABAMA. THE AREAL COVERAGE WAS DECREASING RAPIDLY FROM THE WEST.
Nearby
Flash Flood Warnings in Alabama, 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.