Alert archive / Alabama / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 75, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Aug 2, 1993, 4:29 PM CDT for Clarke County, Alabama. It was in force for 61 min.
The area
The counties it named.
The facts
- Issued
- Aug 2, 1993, 4:29 PM CDT (21:29 UTC)
- Expired
- Aug 2, 1993, 5:30 PM CDT
- In force
- 61 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
County Clarke County, AL
The nearest sounding before it
Centreville/Bibb, AL (KCKL), launched 12:00Z, 9.5 hours before the alert went out and 148 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
- 1707 J/kg
- Mixed-layer CIN
- -75 J/kg
- Mixed-layer LCL
- 987 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 108 m²/s²
- 0-3 km storm-relative helicity
- 102 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 022130 RRA SVRMOB ALC025-022230- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOBILE AL 429 PM CDT MON AUG 2 1993 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 530 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHWEST ALABAMA ...CLARKE COUNTY AT 428 PM RADAR SHOWED SEVERE THUNDERSTORMS SOUTH OF GROVE HILL. THE STORMS WERE MOVING SLOWLY SOUTH SOUTHEAST. WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DON'T USE TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.
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 2, 1:44 PM CDT, 2 hours 45 minutes before
FLZ001>004-ALZ010-013>018-MSZ012>014-021930- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 140 PM CDT MON AUG 2 1993 AT 130 PM CDT...A SOLID LINE OF THUNDERSTORMS HAD DEVELOPED FROM NEAR FT WALTON BEACH AND DESTIN NORTHEASTWARD TO BONIFAY IN HOLMES COUNTY OF FLORIDA. THE STORMS IN THIS LINE WERE DUMPING VERY HEAVY RAINFALL AND CAN EASILY PRODUCE SMALL HAIL AND GUSTY WINDS. SINCE THE STORMS WERE MOVING VERY LITTLE.V..FLOODING OF LOW AREAS IS LIKELY. OTHER THUNDERSTORMS WITH HEAVY RAIN WERE DEVELOPING IN SOUTHWEST ALABAMA AND SOUTHEAST MISSISSIPPI...AND STRONG THUNDERSTORMS CONTINUED IN THE GULF BEGINNING 50 MILES SOUTH OF PENSACOLA AND MOBILE BAY.
Special weather statement, Aug 2, 1:46 PM CDT, 2 hours 43 minutes before
MSZ013-014-ALZ501-LAZ501-022100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 145 PM CDT MON AUG 2 1993 ...THUNDERSTORMS POPPING UP ACROSS THE AREA... AAT 140 PM CDT RADAR SHOWED THUNDERSTORMS...SOME STRONG HAD DEVELOPED FROM NEAR SPANISH FORT TO CENTRAL MOBILE COUNTY AND THEN SOUTHEAST TO NEAR PASCAGOULA. MOVEMENT WAS SLOWLY EAST. MOBILE REGIONAL AIRPORT RECEIVED .07 INCHES OF RAIN AND WIND GUST TO 49 MPH IN A THUNDERSTORM AROUND 115 PM. AS WITH ALL SUMMERTIME STORMS ...LIGHTNING IS THE MOST DANGEROUS ELEMENT AND KILLS THE MOST PEOPLE DURING A TYPICAL YEAR. WHEN A THUNDERSTORM THREATENS YOUR AREA...MOVE INDISE AND AWAY FROM WINDOWS AND ELECTRIAL APPLIANCES...STAY OFFP THE PHONE UNTIL THE DANGER HAS PASSED.
Special weather statement, Aug 2, 1:49 PM CDT, 2 hours 40 minutes before
MSZ013-014-ALZ501-LAZ501-022100- SPECIAL WEATHER STATEMENT...COR 3RD LINE NATIONAL WEATHER SERVICE MOBILE AL 145 PM CDT MON AUG 2 1993 ...THUNDERSTORMS POPPING UP ACROSS THE AREA... AAT 140 PM CDT RADAR SHOWED THUNDERSTORMS...SOME STRONG HAD DEVELOPED FROM NEAR SPANISH FORT TO CENTRAL MOBILE COUNTY AND THEN SOUTHWEST TO NEAR PASCAGOULA. MOVEMENT WAS SLOWLY EAST. MOBILE REGIONAL AIRPORT RECEIVED .07 INCHES OF RAIN AND WIND GUST TO 49 MPH IN A THUNDERSTORM AROUND 115 PM. AS WITH ALL SUMMERTIME STORMS ...LIGHTNING IS THE MOST DANGEROUS ELEMENT AND KILLS THE MOST PEOPLE DURING A TYPICAL YEAR. WHEN A THUNDERSTORM THREATENS YOUR AREA...MOVE INDISE AND AWAY FROM WINDOWS AND ELECTRIAL AP\PLIANCES...STAY OFF THE PHONE UNTIL THE DANGER HAS PASSED.
Special weather statement, Aug 2, 2:45 PM CDT, 1 hour 44 minutes before
FLZ001>004-ALZ010-013>018-MSZ012>014-022030- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 240 PM CDT MON AUG 2 1993 AT 230 PM CDT...CLUSTERS OF LARGE THUNDERSTORMS...OCCASIONALLY IN EAST TO WEST LINES...WERE IN THE WEST FLORIDA PANHANDLE...OVER COASTAL ALABAMA...AND IN THE GULF BEGINNING 30 MILES SOUTH OF PENSACOLA. VERY LARGE THUNDERSTORMS...INDICATING HEAVY RAIN WITH FREQUENT LIGHTNING...GUSTY WINDS AND SMALL HAIL WERE LOCATED IN WASHINGTON COUNTY OF FLORIDA AND COASTAL MOBILE VOUNTY OF ALABAMA. ADDITIONAL THUNDERSTORMS WERE OVER A LARGE PORTION OF THE FLORIDA PANHANDLE FROM PENSACOLA TO TALLAHASSEE. THE THUNDERSTORMS INDICATED VERY LITTLE MOVEMENT SO FLOODING IS LIKELY IN POOR DRAINAGE AREAS. MOTORISTS SHOULD NOT ATTEMPT TO CROSS STANDING WATER.
Special weather statement, Aug 2, 3:33 PM CDT, 56 minutes before
FLZ001>004-ALZ010-013>018-MSZ012>014-022130- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 340 PM CDT MON AUG 2 1993 AT 330 PM CDT...THUNDERSTORMS WERE OCCURRING ALONG THE COAST AND UP TO 50 MILES INLAND FROM NORTHWEST FLORIDA TO MISSISSIPPI. THE STRONGEST THUNDERSTORMS WERE SCATTERED ALONG THE COAST OF FLORIDA FROM PENSACOLA TO PANAMA CITY...AND AT THE MOUTH OF MOBILE BAY ALABAMA. SEVERAL OF THE LARGER STORMS INNDICATED VERY HEAVY RAINFALL...FREQUENT CLOUD TO GROUND LIGHTNING...GUSTY WINDS AND POSSIBLE SMALL HAIL. DUE TO THE SLOW MOVEMENT OF THE THUNDERSTORMS...FLOODING WILL BE A PROBLEM FOR POOR DRAINAGE AREAS.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 2:34 PM CDT | Severe Thunderstorm Warning | MOB | Mobile | 56 min |
| Aug 2, 5:03 PM CDT | Severe Thunderstorm Warning | MOB | Washington | 57 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.