Alert archive / Alabama / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 23, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Mar 31, 1993, 1:20 AM CST for Mobile County, Alabama. It was in force for 55 min.
The area
The counties it named.
The facts
- Issued
- Mar 31, 1993, 1:20 AM CST (07:20 UTC)
- Expired
- Mar 31, 1993, 2:15 AM CST
- In force
- 55 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
County Mobile County, AL
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 00:00Z, 7.3 hours before the alert went out and 152 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
- 2175 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 535 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 108 m²/s²
- 0-3 km storm-relative helicity
- 192 m²/s²
- Significant tornado parameter
- 1.9
- Supercell composite
- 10.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMOB 310720 SVRMOB ALC097-310815- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOBILE AL 120 AM CST WED MAR 31 1993 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 215 AM CST FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHWEST ALABAMA ...MOBILE COUNTY AT 120 AM RADAR INDICATED A SEVERE THUNDER STORM OVER WEST CENTRAL MOBILE COUNTY. THE STORM WAS MOVING TO THE NORTHEAST AT 35 MPH. 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 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, Mar 30, 10:42 PM CST, 2 hours 38 minutes before
FLZ001>004-ALZ010-013>018-MSZ012>014-310535- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 1040 PM CST TUE MAR 30 1993 AT 1035 PM CST...SHOWERS AND THUNDERSTORMS CONTINUED ACROSS SOUTHEAST MISSISSIPPI...SOUTH ALABAMA AND NORTHWEST FLORIDA AND OFFSHORE FOR 80 MILES OF THE NORTHWEST FLORIDA COASTLINE. IN NORTHWEST FLORIDA THE STRONGEST STORMS WERE MOVING ASHORE BETWEEN PENSACOLA AND FORT WALTON BEACH. STRONG STORMS WERE ALSO BETWEEN CENTURY AND MILTON. BY 1100 PM MOST OF THE HEAVIER RAINS SHOULD END FOR A FEW HOURS ACROSS ESCAMBIA AND SANTA ROSA COUNTIES. FOR THE AREA FROM FORT WALTON TO PANAMA CITY...SOME STRONGER THUNDERSTORMS OFFSHORE COULD MOVE INTO THESE AREAS BY 1130 PM. STRONG THUNDERSTORMS WERE ALSO ACROSS SOUTH ALABAMA. THESE STORMS WERE AGAIN GENERALLY SCATTERED BETWEEN MOBILE AND MONTGOMERY. DANGEROUS LIGHTNING STRIKES...SMALL HAIL AND STRONG GUSTY WINDS CAN BE EXPECTED FROM THESE STORMS AS THEY MOVE NORTHEAST AT NEAR 40 MILES AN HOUR. HEAVY RAINS CAN ALSO BE EXPECTED TO CAUSE TEMPORARY FLOODING OF LOW LYING AREAS AND POOR DRAINGAE AREAS ESPECIALLY ON THE ROADWAYS. OFFSHORE...STRONG THUNDERSTORMS WERE FROM 40 TO 75 MILES SOUTH OF FORT WALTON BEACH. THESE STORMS WERE MOVING NORTHEAST AT 40 MILES AN HOUR. VERY ROUGH SEAS AND GUSTY WINDS CAN BE EXPECTED FROM THESE STORMS.
Special weather statement, Mar 30, 10:43 PM CST, 2 hours 37 minutes before
ALZ013-015-016-MSZ014-013-310645- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 1043 PM CST TUE MAR 30 1993 ...TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT FOR ALL OF SOUTHEAST MISSISSIPPI AND MOBILE...BALDWIN...CLARKE...AND WASHINGTION COUNTIES OF SOUTHWEST ALABAMA... AT 1040 PM MOBILE WEATHER SERVICE RADAR INDICATED NUMEROUS STRONG THUNDERSTORMS AND WIDELY SCATTERED RAINSHOWERS ACROSS SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA. THE STRONGEST THUNDERSTORMS WERE LOCATED IN NORTHEAST PERRY COUNTY MISSISSIPPI NEAR RICHTON AND IN SOUTH CLARKE COUNTY ALABAMA JUST EAST OF JACKSON. THESE STORMS WERE MOVING EAST AT 35 MPH. THESE THUNDERSTORMS WERE LIKELY PRODUCING VERY HEAVY RAINS...STRONG GUSTY WINDS...AND POSSIBLE SMALL HAIL. REMEMBER A TORNADO WATCH IS IN EFFECT UNTIL MIDNIGHT AND RESIDENTS IN OR NEAR THE WATCH AREA SHOULD REMAIN ALERT FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Mar 30, 11:42 PM CST, 1 hour 38 minutes before
FLZ001>004-ALZ010-013>018-MSZ012>014-310635- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 1140 PM CST TUE MAR 30 1993 AT 1135 PM CST...SHOWERS AND THUNDERSTORMS CONTINUED ACROSS SOUTHEAST MISSISSIPPI...SOUTH ALABAMA AND NORTHWEST FLORIDA. SHOWERS WERE WIDELY SCATTERED TO 60 MILES OFFSHORE OF THE NORTHWEST FLORIDA COASTLINE. IN NORTHWEST FLORIDA MOST OF THE THUNDERSTORMS HAD MOVED NORTH OF THE AREA. THERE WERE STILL SOME SCATTERED STORMS BETWEEN FORT WALTON BEACH AND CENTURY. THE STRONGEST THUNDERSTORMS WERE IN SOUTH ALABAMA. THESE STORMS WERE ALONG THE YELLOW RIVER JUST SOUTHEAST OF ANDALUSIA TO NEAR MILLRY. DANGEROUS LIGHTNING STRIKES...SMALL HAIL AND STRONG GUSTY WINDS CAN BE EXPECTED FROM THESE STORMS AS THEY MOVE NORTHEAST AT NEAR 40 MILES AN HOUR. HEAVY RAINS CAN ALSO BE EXPECTED TO CAUSE TEMPORARY FLOODING OF LOW LYING AREAS AND POOR DRAINGAE AREAS ESPECIALLY ON THE ROADWAYS. OFFSHORE...ONLY A FEW SHOWERS REMAIN OVER THE OFFSHORE WATERS OF NORTHWEST FLORIDA. STRONG GUSTY WINDS AND ROUGH SEAS CAN STILL BE EXPECTED OVER THE COASTAL WATERS AS WINDS WERE GUSTING FROM 30 TO 35 KNOTS AS A WARM FRONT WAS MOVING EAST NORTHEAST ACROSS THE NORTHWEST FLORIDA COASTLINE.
Special weather statement, Mar 31, 12:27 AM CST, 53 minutes before
ALZ013-015-016-MSZ014-013-310830- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 1228 AM CST WED MAR 31 1993 ...A TORNADO WATCH HAS BEEN EXTENDED TO INCLUDE ALL COUNTIES IN SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA UNTIL 600 AM CST... AT 1225 AM WEATHER SERVICE RADAR INDICATED STRONG THUNDERSTORMS AND WIDELY SCATTERED RAINSHOWERS ACROSS ALL OF SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA. THE STRONGEST STORMS WERE LOCATED IN NORTH WASHINGTON COUNTY AND NORTH CLARKE COUNTY OF ALABAMA AND WERE LIKELY PRODUCING VERY HEAVY RAINS...STRONG GUSTY WINDS...AND SMALL HAIL. MOVEMENT WAS TO THE NORTHEAST AT 35 MPH. REMEMBER...A TORNADO WATCH IS IN EFFECT FOR ALL OF SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA UNTIL 600 AM AND RESIDENTS IN OR NEAR THE WATCH AREA SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Mar 31, 12:37 AM CST, 43 minutes before
FLZ001>004-ALZ010-013>018-MSZ012>014-310635- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 1235 AM CST WED MAR 31 1993 AT 1230 AM CST...NUMEROUS SHOWERS AND THUNDERSTORMS SPREAD NORTH FROM THE COASTS OF MISSISSIPPI...ALABAMA...AND THE WESTERN FLORIDA PANHANDLE. THE STORMS WERE HEAVIEST IN ALABAMA ABOUT 80 MILES NORTH OF MOBILE. SHOWERS AND THUNDERSTORMS WERE ALSO IN THE COASTAL WATERS. A VERY STRONG THUNDERSTORM WAS LOCATED ABOUT 35 MILES SOUTH OF PENSACOLA. MOVEMENTS WERE GENERALLY NORTHEAST AROUND 40 MPH. FLOODING OF LOW LYING AREAS AND POOR DRAINGAE AREAS ESPECIALLY ON THE ROADWAYS. OFFSHORE...ONLY A FEW SHOWERS REMAIN OVER THE OFFSHORE WATERS OF NORTHWEST FLORIDA. STRONG GUSTY WINDS AND ROUGH SEAS CAN STILL BE EXPECTED OVER THE COASTAL WATERS AS WINDS WERE GUSTING FROM 30 TO 35 KNOTS AS A WARM FRONT WAS MOVING EAST NORTHEAST ACROSS THE NORTHWEST FLORIDA COASTLINE.
Special weather statement, Mar 31, 12:45 AM CST, 35 minutes before
FLZ001>004-ALZ010-013>018-MSZ012>014-310735- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 1235 AM CST WED MAR 31 1993 ...A TORNADO WATCH IN EFFECT UNTIL 6AM CST FOR ESCAMBIA...SANTA ROSA ...AND OKALOOSA COUNTIES OF NORTHWEST FLORIDA... AT 1230 AM CST...NUMEROUS SHOWERS AND THUNDERSTORMS SPREAD NORTH FROM THE COASTS OF MISSISSIPPI...ALABAMA...AND THE WESTERN FLORIDA PANHANDLE. THE STORMS WERE HEAVIEST IN ALABAMA ABOUT 80 MILES NORTH OF MOBILE. SHOWERS AND THUNDERSTORMS WERE ALSO IN THE COASTAL WATERS. A VERY STRONG THUNDERSTORM WAS LOCATED ABOUT 35 MILES SOUTH OF PENSACOLA. MOVEMENTS WERE GENERALLY NORTHEAST AROUND 40 MPH.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 30, 10:57 PM CST | Severe Thunderstorm Warning | MOB | Dallas | 40 min |
| Mar 31, 2:42 AM CST | Severe Thunderstorm Warning | MOB | Baldwin | 48 min |
| Mar 31, 6:14 AM CST | Severe Thunderstorm Warning | MOB | Dale | 46 min |
| Mar 31, 6:29 AM CST | Severe Thunderstorm Warning | MOB | Barbour | 61 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 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.