Alert archive / Alabama / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 28, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Apr 20, 1992, 12:01 PM CDT for Mobile County, Alabama; Jackson County, Mississippi. It was in force for 44 min.
The area
The counties it named.
The facts
- Issued
- Apr 20, 1992, 12:01 PM CDT (17:01 UTC)
- Expired
- Apr 20, 1992, 12:45 PM CDT
- In force
- 44 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
Counties Mobile County, AL, Jackson County, MS
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 5.0 hours before the alert went out and 129 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
- 1940 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 588 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 200 m²/s²
- 0-3 km storm-relative helicity
- 313 m²/s²
- Significant tornado parameter
- 2.4
- Supercell composite
- 14.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMOB 201702 SVRMOB ALC097-MSC059-201745- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING NATIONAL WEATHER SERVICE MOBILE AL 1201 PM CDT MON APR 20 1992 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING EFFECTIVE UNTIL 1245 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHWEST ALABAMA ...SOUTHERN MOBILE COUNTY IN SOUTHEAST MISSISSIPPI ...SOUTHERN JACKSON COUNTY AT 1155 AM CDT NATIONAL WEATHER SERVICE RADAR IN MOBILE WAS INDICATING A SEVERE THUNDERSTORM OVER THE SOUTH MISSISSIPPI COASTAL WATERS NEAR HORN ISLAND JUST SOUTH OF PASCAGOULA MS. THIS THUNDERSTORM IS MOVING TO THE NORTHEAST AT 25 MPH AND MAY SOON AFFECT SOUTHERN JACKSON COUNTY MS AND SOUTHERN MOBILE COUNTY AL. RESIDENTS AND MARINE INTEREST OF THESE AREAS SHOULD STAY ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS. 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, Apr 20, 7:25 AM CDT, 4 hours 36 minutes before
MSZ014-201330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 725 AM CDT MON APR 20 1992 ...TORNADO WATCH NUMBER 157 IN EFFECT FOR PEARL RIVER COUNTY MISSISSIPPI UNTIL 100PM CDT THIS AFTERNOON... AT 700 AM CDT NATIONAL WEATHER SERVICE RADARS SHOWED A BAND OF STRONG THUNDERSTORMS FROM NEAR JACKSON MISSISSIPPI TO MCCOMB MISSISSIPPI TO HOUMA LOUISIANA. THE STORMS WERE MOVING TO THE NORTHEAST AT 35 MPH. THIS SYSTEM WILL LIKELY MOVE INTO SOUTHEAST MISSISSIPPI LATER THIS MORNING AND INTO SOUTHWEST ALABAMA THIS AFTERNOON.
Special weather statement, Apr 20, 9:11 AM CDT, 2 hours 50 minutes before
ALZ013-015-016-MSZ014-013-201515- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 910 AM CDT MON APR 20 1992 ...TORNADO WATCH NUMBER 158 CONTINUES FOR SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA UNTIL 200 PM CDT... AT 905 AM NATIONAL WEATHER SERVICE RADAR IN MOBILE WAS INDI9CATING A LINE OF STRONG THUNDERSTORMS WITH HEAVY RAINFALL EXTENDING FROM MERIDIAN MISSISSIPPI SOUTHWARD TO LAUREL AND PICAYUNE. THE STRONGEST THUNDERSTORMS WERE NEAR PICAYUNE IN PEARL RIVER COUNTY AND EXTENDED INTO SECTIONS OF HANCOCK COUNTY MS. THESE THUNDERSTORMS WERE MOVING NORTHEAST AT 35 MPH AND WILL AFFECT STONE AND HARRISON COUNTIES OF MS THE HOUR. PERSONS IN THE PATH OF THESE STORMS SHOULD SrTAY APPRISED OF RAPIDLY CHANGING WEATHER CONDITIONS THIS MORNING AS SEVERE WEATHER IS A DEFINITE POSSIBILITY FOR OUR AREA. STAY TUNED TO NOAA WEATHER RADIO FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Apr 20, 10:34 AM CDT, 1 hour 27 minutes before
ALZ013-015-016-MSZ014-013-201630- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 1035 AM CDT MON APR 20 1992 ...TORNADO WATCH NUMBER 158 REMAINS IN EFFECT FOR SOUTHEAST MISSISIPPI AND SOUTHWEST ALABAMA UNTIL 200 PM CDT... AT 1025 AM CDT NATIONAL WEATHER SERVICE RADAR IN MOBILE WAS INDICATING A LINE OF STRONG THUNDERSTORMS MOVING ACROSS SECTIONS OF SOUTHEASTERN MISSISSIPPI. THE STRONGEST OF THE THUNDERSTORMS WERE NOTED IN SOUTHERN PERRY COUNTY AND NORTHEASTERN STONE COUNTY MS. REPORTS COMING INTO THIS OFFICE FROM WIGGINS POLICE OF STONE COUNTY WERE OF INTENSE RAINFALL...STRONG GUSTY WINDS AND FREQUENT LIGHTNING AS THESE STORMS MOVED OVER THEIR AREA. THIS LINE OF STORMS WERE MOVING EAST AT 25 MPH WITH THE INDIVIDUAL THUNDERSTORMS MOVING NORTHEAST AT 20 TO 30 MPH. THESE STORMS WILL BE MOVING INTO GREENE...GEORGE AND SECTIONS OF JACKSON COUNTIES OF MS WITHIN THE HOUR. PERSONS IN THE PATH OF THESE STORMS SHOULD SRTAY APPRISED OF RAPIDLY CHANGING WEATHER CONDITIONS. STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL NEWS MEDIA FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Apr 20, 11:16 AM CDT, 45 minutes before
ALZ013-015-016-MSZ014-013-201715- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 1116 AM CDT MON APR 20 1992 ...TORNADO WATCH NUMBER 158 CONTINUES FOR SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA UNTIL 200 PM CDT... STRONG THUNDERSTORMS CONTINUE TO MARCH ACROSS SOUTHEAST MISSISSIPPI THI MORNING. AT 1110 AM CDT NATIONAL WEATHER SERVICE RADAR WAS INDICATING STRONG THUNDERSTORMS IN CENTRAL GREENE...NORTHERN GEORGE...AND NORTHERN JACKSON COUNTIES OF MS. THE STRONGEST THUNDERSTORMS WERE NOTED JUST WEST OF LEAKESVILLE IN GREENE COUNTY...JUST WEST OF LUCEDALE IN GEORGE COUNTY AND BETWEEN DANTZLER AND VESTRY IN NORTHWESTERN JACKSON COUNTY MS. THESE THUNDERSTORMS WERE MOVING NORTHEAST AT 20 TO 30 MPH AND WERE ASSOCIATED WITH A LINE OF STRONG THUNDERSTORMS THAT WAS MOVING EASTWARD AT 25 MPH. THESE STORMS WILL MOVE INTO WASHINGTON AND MOBILE COUNTIES OF SOUTHWEST ALABAMA WITHIN THE HOUR. PERSONS IN THE PATH OF THESE SThORMS SHOULD REMAIN ALERT TO CHANGING CONDITIONS AS STRONG GUSTY WINDS...DANGEROUS LIGHTNING AND HEAVY RAINFALL HAVE BEEN ASSOCIATED WITH THESE STORMS.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| 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, 4:46 PM CDT | Severe Thunderstorm Warning | MOB | Lee, Macon | 59 min |
| Apr 20, 5:12 PM CDT | Severe Thunderstorm Warning | MOB | Chambers | 48 min |
| Apr 20, 12:42 PM CDT | Tornado Warning | MOB | Stone | 33 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 1992Severe Thunderstorm Warnings in Mississippi, 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.