Alert archive / Alabama / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 40, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Apr 20, 1992, 4:46 PM CDT for Lee County, Macon County, Alabama. It was in force for 59 min.
The area
The counties it named.
The facts
- Issued
- Apr 20, 1992, 4:46 PM CDT (21:46 UTC)
- Expired
- Apr 20, 1992, 5:45 PM CDT
- In force
- 59 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
Counties Lee County, AL, Macon County, AL
The nearest sounding before it
Centreville/Bibb, AL (KCKL), launched 12:00Z, 9.8 hours before the alert went out and 163 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
- 11 J/kg
- Mixed-layer CIN
- -209 J/kg
- Mixed-layer LCL
- 650 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 185 m²/s²
- 0-3 km storm-relative helicity
- 259 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMGM 202148 SVRMGM ALC081-087-202245- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MONTGOMERY AL 446 PM CDT MON APR 20 1992 THE NATIONAL WEATHER SERVICE IN MONTGOMERY HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 545 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH ALABAMA ...LEE COUNTY...EASTERN MACON COUNTY WEATHER RADAR AT MONTGOMERY SHOWED SEVERE THUNDERSTORMS IN EASTERN MACON COUNTY AND WESTERN LEE COUNTY MOVING EAST NORTHEAST AT 35 MPH. THESE STORMS HAVE A PREVIOUS HISTORY OF DAMAGE. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOU>R 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
Local storm report, Apr 20, 3:18 PM CDT, 1 hour 28 minutes before
LOCAL STORM REPORTS NATIONAL WEATHER SERVICE MOBILE AL 315 PM CDT MON APR 20 1992 UPDATE ON STORM AT RANGE IN CONECUH COUNTY AT 229 PM... EVERGREEN STATE POLICE REPORTED THAT THE STORM TOOK THE TOPS OULT OF SEVERAL TREES AND FLIPPED A 25-FT TRAVEL TRAILER UPSIDE DOWN. SEVERAL SHEDS WERE DESTROYED. NO INJURIES REPORTED.
Special weather statement, Apr 20, 3:33 PM CDT, 1 hour 13 minutes before
FLZ001>004-ALZ010-013>018-MSZ012>014-202130- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 330 PM CDT MON APR 20 1992 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 700 PM CDT FOR ALL OF THE FLORIDA PANHANDLE... AT 330 PM CDT...A LINE OF THUNDERSTORMS STRETCHED FROM MONTGOMERY SOUTH TO CRESTVIEW AND TO DESTIN THEN CONTINUED 100 MILES INTO THE GULF. MOST OF THE HEAVIER RAIN WAS IN OKALOOSA COUNTY AND IN COVINGTON COUNTY ALABAMA. THE LINE WAS MOVING EAST AT 25 MILES AN HOUR. THESE THUNDERSTORMS MAY CONTAIN HEAVY RAIN...FREQUENT LIGHTNING AND STRONG WINDS AS THEY CONTINUE EAST ACROSS THE FLORIDA PANHANDLE. WIDESPREAD RAIN AND SHOWERS SPREAD WEST 50 TO 60 MILES BEHIND THE LINE OF THUNDERSTORMS. CONTINUE TO MONITOR THIS SOURCE FOR FURTHER INFORMATION AND BE READY TO MOVE TO SAFETY IF WARNINGS ARE ISSUED.
Local storm report, Apr 20, 3:35 PM CDT, 1 hour 11 minutes before
LOCAL STORM REPORTS
NATIONAL WEATHER SERVICE MOBILE AL
335 PM CDT MON APR 20 1992
TIME EVENT
DELAYED REPORT...
1230 PM CITIZEN IN GRAND BAY REPORTED A LARGE OAK TREE
BLOWN DOWN AT THE INTERSECTION OF US 90 AND THE
GRAND-BAY WILMER ROAD IN GRAND BAY IN MOBILE
COUNTY.Local storm report, Apr 20, 3:56 PM CDT, 50 minutes before
LOCAL STORM REPORTS
NATIONAL WEATHER SERVICE MOBILE AL
355 PM CDT MON APR 20 1992
TIME EVENT
DELAYED REPORT...
100PM STONE COUNTY MISSISSIPPI SO REPORTED LARGE TREE
LIMBS WERE BLOWN DOWN AND CLOSED HIGHWAY 26 FOR A
TIME AT WHITES CROSSING. HIGHWAY NOW CLEAR.Special weather statement, Apr 20, 4:28 PM CDT, 18 minutes before
ALZ015-016-202230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 428 PM CDT MON APR 20 1992 ...THE SEVERE THUNDERSTORM WATCH IS CANCELLED FOR MONROE...CONECUH AND ESCAMBIA COUNTIES OF ALABAMA AS OF 400 PM... ALL WATCHES AND WARNINGS FOR SOUTHWEST ALABAMA HAVE EXPIRED OR BEEN CANCELLED. THERE IS THE POSSIBILITY OF ADDITIONAL THUNDERSTORM ACTIVITY MOVING THROUGH THE AREA LATER TONIGHT.
Special weather statement, Apr 20, 4:43 PM CDT, 3 minutes before
FLZ001>004-ALZ010-013>018-MSZ012>014-202130- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 435 PM CDT MON APR 20 1992 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 900 PM FOR...WALTON ...WASHINGTON...HOLMES AND BAY COUNTIES FLORIDA... AT 430 PM CDT...A LINE OF THUNDERSTORMS STRETCHED FROM UNION SPRING ALA- BAMA TO JUST WEST OF DOTHAN ALABAMA...EXTENDING SOUTH THROUGH EASTERN WALTON COUNTY FLORIDA INTO THE COASTAL WATERS. WIDESPREAD RAIN AND AND A FEW THUNDERSHOWERS WERE OVER SOUTH-CENTRAL ALABAMA...THE WEST 1/3 OF THE FLORIDA PANHANDLE AND ADJACENT COASTAL WATERS OUT TO 125 MILES. THE LINE WAS MOVING TO THE EAST AROUND 25 MPH. THE THUNDERSTORMS WERE MOVING NORTHEAST AROUND 30 MPH.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 20, 12:01 PM CDT | Severe Thunderstorm Warning | MOB | Mobile | 44 min |
| Apr 20, 1:07 PM CDT | Severe Thunderstorm Warning | MOB | Clarke | 53 min |
| Apr 20, 1:45 PM CDT | Severe Thunderstorm Warning | MOB | Monroe | 45 min |
| Apr 20, 1:49 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin | 26 min |
| Apr 20, 2:08 PM CDT | Severe Thunderstorm Warning | MOB | Wilcox | 67 min |
| Apr 20, 2:42 PM CDT | Severe Thunderstorm Warning | MOB | Butler | 63 min |
| Apr 20, 2:49 PM CDT | Severe Thunderstorm Warning | MOB | Conecuh | 26 min |
| Apr 20, 3:09 PM CDT | Severe Thunderstorm Warning | MOB | Lowndes | 66 min |
| Apr 20, 3:21 PM CDT | Tornado Warning | MOB | Lowndes, Montgomery | 69 min |
| Apr 20, 3:51 PM CDT | Severe Thunderstorm Warning | MOB | Covington | 69 min |
| Apr 20, 3:51 PM CDT | Severe Thunderstorm Warning | MOB | Pike | 69 min |
| Apr 20, 4:08 PM CDT | Severe Thunderstorm Warning | MOB | Geneva | 52 min |
| Apr 20, 4:11 PM CDT | Severe Thunderstorm Warning | MOB | Elmore, Tallapoosa | 64 min |
| Apr 20, 5:12 PM CDT | Severe Thunderstorm Warning | MOB | Chambers | 48 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 1992Every severe thunderstorm warning in 1992
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.