Alert archive / Alabama / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 140, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Jul 2, 1990, 3:47 PM CDT for Tallapoosa County, Alabama. It was in force for 43 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jul 2, 1990, 3:47 PM CDT (20:47 UTC)
- Expired
- Jul 2, 1990, 4:30 PM CDT
- In force
- 43 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
County Tallapoosa County, AL
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 2, 3:55 PM CDT | Thunderstorm Wind 0 | Tallapoosa, AL |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Centreville/Bibb, AL (KCKL), launched 12:00Z, 8.8 hours before the alert went out and 131 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
- 1129 J/kg
- Mixed-layer CIN
- -69 J/kg
- Mixed-layer LCL
- 1374 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- -7 m²/s²
- 0-3 km storm-relative helicity
- 19 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 KMGM 022054 SVRMGM ALC123-022130- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MONTGOMERY AL 347 PM CDT MON JUL 2 1990 THE NATIONAL WEATHER SERVICE IN MONTGOMERY HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 430 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH ALABAMA ...TALLAPOOSA COUNTY WEATHER RADAR INDICATED A SEVERE THUNDERSTORM JUST WEST OF DADEVILLE MOVING TOWARD THE SOUTH SOUTHEAST AT 15 MPH. PEA TO MARBLE SIZE HAIL WAS REPORTED WITH THIS STORM IN DADEVILLE DURING THE PAST 10 MINUTES. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAI}N. 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, Jul 2, 2:23 PM CDT, 1 hour 24 minutes before
ALZ013-015-016-022130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 222 PM CDT MON JUL 2 1990 ...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR ALL SOUTHWEST ALABAMA COUNTIES UNTIL 800 PM CDT... THE MARINE WARNING FOR THE ALABAMA AND MISSISSIPPI COASTAL WATERS EXPIRED AT 215 PM. ADDITIONAL WARNINGS MAY BE REQUIRED LATER THIS AFTERNOON. AT 217 PM THE MOBILE RADAR SHOWED A LINE OF THUNDERSTORMS DEVELOPING ALONG THE WESTERN SHORE OF MOBILE BAY IN MOBILE COUNTY. ANOTHER STRONG THUNDERSTORM WAS LOCATED NEAR GULF SHORES ALABAMA. THE THUNDERSTORMS WERE SHOWING LITTLE MOVEMENT...JUST A SLIGHT SOUTHWARD DRIFT. ANOTHER SCATTERED AREA OF THUNDERSTORMS IS DEVELOPING ACROSS CLARKE...CONECUH...MONROE AND ESCAMBIA COUNTIES OF ALABAMA. THESE THUNDERSTORMS WERE MOVING TOWARD THE SOUTH-SOUTHEAST AT 15 MPH. VERY STRONG THUNDERSTORMS FURTHER TO THE NORTH WILL AFFECT THESE COUNTIES LATER IN THE AFTERNOON. RESIDENTvS OF ALL SOUTHWEST ALABAMA COUNTIES SHOULD REMAIN ALERT FOR THE POSSIBILITY OF SEVERE WEATHER THIS AFTERNOON AND BE PREPARED TO SEEK SHELTER.
Special weather statement, Jul 2, 2:38 PM CDT, 1 hour 9 minutes before
FLZ001>004-022030- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 235 PM CDT MON JUL 02 1990 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 800 PM CDT... THUNDERSTORMS...SOME WITH VERY HEAVY RAINS AND GUSTY WINDS...WERE SCATTERED OVER THE FLORIDA PANHANDLE...SOUTH AND SOUTHWEST ALABAMA... AND THE ADJOINING COASTAL WATERS. THE STRONGER THUNDERSTORMS WERE JUST SOUTHWEST OF THE PENSACOLA NAVAL AIR STATION...BETWEEN MOBILE AND FOLEY...NEAR CHATTAHOOCHEE...AND SCATTERED BETWEEN BREWTON AND DOTHAN. THE THUNDERSTORMS WERE MOVING SOUTH AT 20 MILES AN HOUR. THE STRONGER THUNDERSTORMS WILL PRODUCE PERIODS OF VERY HEAVY RAINS REDUCING VISIBILITY AND CREATING BRIEF FLOODING OF POOR DRAINAGE AREAS ...GUSTY WINDS...FREQUENT LIGHTNING...POSSIBLE HAIL...AND FOR MARINE INTERESTS THE ADDITIONAL ROUGH SEAS. PERSONS SHOULD TAKE ANY NECESSARY PRECAUTIONS FOR THESE CONDITIONS ...AND KEEP ABREAST OF WEATHER CONDITIONS DURING THE SEVERE THUNDER- STORM WATCH PERIOD.
Special weather statement, Jul 2, 3:39 PM CDT, 8 minutes before
FLZ001>004-022130- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 335 PM CDT MON JUL 02 1990 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 800 PM CDT... THUNDERSTORMS...SOME WITH VERY HEAVY RAINS AND GUSTY WINDS...WERE SCATTERED OVER THE FLORIDA PANHANDLE...SOUTH AND SOUTHWEST ALABAMA... AND THE ADJOINING COASTAL WATERS...AND EXTENDED INTO SOUTHWEST GEORGIA. THE STRONGER THUNDERSTORMS WERE SCATTERED BETWEEN BREWTON AND DOTHAN... AND BETWEEN PANAMA CITY AND TALLAHASSEE. THE THUNDERSTORMS WERE MOVING SOUTH AT 20 MILES AN HOUR. THE STRONGER THUNDERSTORMS WILL PRODUCE PERIODS OF VERY HEAVY RAINS... BRIEF FLOODING OF POOR DRAINAGE AREAS...GUSTY WINDS._..FREQUENT LIGHTNING...POSSIBLE HAIL...AND ROUGH SEAS FOR MARINE INTERESTS. PERSONS SHOULD TAKE ANY NECESSARY PRECAUTIONS FOR THESE CONDITIONS. KEEP ABREAST OF CURRENT WEATHER DEVELOPMENTS.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 2, 1:11 PM CDT | Severe Thunderstorm Warning | MOB | Mobile | 64 min |
| Jul 2, 1:45 PM CDT | Severe Thunderstorm Warning | MOB | Elmore | 60 min |
| Jul 2, 2:07 PM CDT | Severe Thunderstorm Warning | MOB | Montgomery | 68 min |
| Jul 2, 3:15 PM CDT | Severe Thunderstorm Warning | MOB | Dallas | 60 min |
| Jul 2, 4:37 PM CDT | Severe Thunderstorm Warning | MOB | Monroe | 68 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 1990Every severe thunderstorm warning in 1990
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.