Alert archive / Alabama / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 77, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Aug 3, 1993, 4:35 PM CDT for Washington County, Alabama; Greene County, Mississippi. It was in force for 42 min.
The area
The counties it named.
The facts
- Issued
- Aug 3, 1993, 4:35 PM CDT (21:35 UTC)
- Expired
- Aug 3, 1993, 5:17 PM CDT
- In force
- 42 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
Counties Washington County, AL, Greene County, MS
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 9.6 hours before the alert went out and 170 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
- 1958 J/kg
- Mixed-layer CIN
- -20 J/kg
- Mixed-layer LCL
- 723 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- 10 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 032137 RRA SVRMOB ALC129-MSC041-032230- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOBILE AL 435 PM CDT TUE AUG 3 1993 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 530 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHWEST ALABAMA ...WESTERN WASHINGTON COUNTY IN SOUTHEAST MISSISSIPPI ...NORTHERN GREENE COUNTY AT 430 PM NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM ON THE ALABAMA/MISSISSIPPI BORDER...5 MILES SOUTH OF STATE LINE MISSISSIPPI AND 4 MILES WEST OF FRUITDALE ALABAMA. IT WAS MOVING TO THE NORTHEAST AT 15 MILES AN HOUR AND MAY APPROACH CHATOM ALABAMA BY 515 PM. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
What forecasters said that day
The local office's own words before this severe thunderstorm 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, Aug 3, 11:39 AM CDT, 4 hours 56 minutes before
ALZ016-MSZ013-ALZ501-LAZ501-031845- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 1138 AM CDT TUE AUG 3 1993 ...STRONG THUNDERSTORMS DEVELOPE IN SOUTH MOBILE COUNTY... AT 1135 AM CDT RADAR SHOWED STRONG THUNDERSTORMS HAD DEVELOPED 5 TO 10 MILES SOUTH OF MOBILES REGIONAL AIRPORT. THE THUNDERSTORMS WERE MOVING NORTH AT 15 MPH. THESE THUNDERSTORMS CONTAIN FREQUENT LIGHTNING...VERY HEAVY RAIN AND STRONG GUSTY WINDS. WHEN A THUNDERSTORM IS IN YOUR AREA...STAY INSIDE AND AWAY FROM WINDOWS. IF CAUGHT OUTSIDE...STAY AWAY FROM TALL OBJECTS ...METAL FENCES AND ELECTRIAL EQUIPMENT. OTHER SHOWERS AND THUNDERSTORMS WERE DEVELOPING ALONG THE EASTERN SHORE NEAR DAPHNE AND FAIRHOPE AND IN HANCOCK COUNTY MISSISSIPPI SOUTH OF PEARLINGTON. THUNDERSTORMS CONTINUE IN THE GULF JUST SOUTH OF PETIT BOIS ISLAND. THESE WERE ALSO MOVING NORTHERLY AROUND 15 MPH. MARINE INTEREST SHOULD KEEP A WEATHER EYE OUT FOR APPROACHING STORMlS... A DARKENING OF THE CLOUDS OFTENTIMES FORETELL THE APPROACH OF A SQUALL.
Special weather statement, Aug 3, 12:48 PM CDT, 3 hours 47 minutes before
ALZ013-015-016-MSZ014-013-ALZ501-031945- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 1247 PM CDT TUE AUG 3 1993 ...STRONG THUNDERSTORMS CONTINUE TO DEVELOPE ACROSS SOUTHEAST MISSISSIPPAND SOUTHWEST ALABAMA... AT 1245 PM WEATHER RADAR SHOWED SEVERAL STRONG THUNDERSTORMS LOCATED IN HANCOCK AND HARRISON COUNTIES OF SOUTHEAST MISSISSIPPI WITH THE STRONGEST STORMS LOCATED IN SOUTHEAST HANCOCK COUNTY NEAR BAY ST LOUIS. OTHER STRONG STORMS WERE LOCATED IN CENTRAL MOBILE COUNTY JUST NORTH OF MOBILE AND ONE DEVELOPING JUST SOUTH OF MOBILE. ANOTHER STORM WAS LOCATED IN CENTRAL BALDWIN COUNTY NEAR BAY MINETTE. THESE ARE STRONG THUNDERSTORMS AND PERSONS IN THESE AREAS CAN EXPECT HEAVY RAINS...STRONG GUSTY WINDS AND DANGEROUS LIGHTNING...RESIDENTS NEAR STORMS SHOULD STAY INDOORS...AWAY FROM WINDOWS AND OFF THE TELEPHONE.
Nearby
Severe Thunderstorm Warnings in Alabama, 1993Severe Thunderstorm Warnings in Mississippi, 1993Every severe thunderstorm warning in 1993
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.