Alert archive / Alabama / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 127, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at May 27, 1990, 9:17 PM CDT for Clarke County, Alabama. It was in force for 58 min.
The area
The counties it named.
The facts
- Issued
- May 27, 1990, 9:17 PM CDT (02:17 UTC)
- Expired
- May 27, 1990, 10:15 PM CDT
- In force
- 58 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
County Clarke County, AL
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Centreville/Bibb, AL (KCKL), launched 00:00Z, 2.3 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
- 1094 J/kg
- Mixed-layer CIN
- -33 J/kg
- Mixed-layer LCL
- 1024 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 26 m²/s²
- 0-3 km storm-relative helicity
- 39 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 280219 SVRMOB ALC025-280315- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOBILE AL 917 PM CDT SUN MAY 27 1990 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1015 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHWEST ALABAMA ...CLARKE COUNTY AT 915 PM CDT MOBILE RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES SOUTHEAST OF JACKSON ALABAMA IN SOUTHERN CLARKE COUNTY. IT WAS MOVING TO THE NORTHEAST AT 20 MILES AN HOUR TOWARD WALKER SPRINGS AND ALLEN. THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND DEADLY LIGHTLNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER... PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.
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, May 27, 8:17 PM CDT, 1 hour before
ALZ013-015-016-MSZ014-013-280315-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
815 PM CDT SUN MAY 27 1990
...SEVERE THUNDERSTORM WATCH IN EFFECT FOR SOUTHERN MISSISSIPPI UNTIL
10 PM...
...SEVERE THUNDERSTORM WATCH IN EFFECT FOR SOUTHERN ALABAMA
UNTIL MIDNIGHT...
AT 810 PM...A LINE OF STRONG THUNDERSTORMS WAS LOCATED FROM NEAR CAMP
SHELBY THEN SOUTH ALONG HIGHWAY 49 TO NEAR GULFPORT.
EARLIER...THUNDERSTORMS IN THIS LINE PRODUCED STRONG WINDS...HAIL...
AND SOME TORNADOES IN LOUISIANA AND MISSISSIPPI.
THE LINE WAS MOVING EAST AT 35 MPH. THE LINE OF STORMS WILL BE MOVING
THROUGH THE PASCAGOULA AREA BEFORE 9 PM. THE LINE WILL MOVE THROUGH
THE MOBILE AREA BETWEEN 915 AMD 10 PM TONIGHT AND THROUGH BALDWIN
COUNTY BETWEEN 10 AND 11 PM.
PEOPLE IN SOUTHERN MISSISSIPPI AND SOUTHERN ALABAMA SHOULD CONTINUE TO
MONITOR THE WEATHER TONIGHT UNTIL THESE THUNDERSTORMS MOVE THROUGH.Special weather statement, May 27, 8:40 PM CDT, 37 minutes before
FLZ001>004-231500-
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE PENSACOLA FL
830 PM CDT SUN MAY 27 1990
...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL MIDNIGHT CDT AND
INCLUDES THE FOLLOWING COUNTIES IN NORTHWEST FLORIDA. ESCAMBIA...SANTA
ROSA...OKALOOSA...WALTON...BAY...WASHINGTON AND HOLMES COUNTIES.
AT 830 PM CDT...A SOLID LINE OF THUNDERSTORMS...SOME POSSIBLY SEVERE...
EXTENDED FROM CHANDELEUR ISLAN LOUISIANA NORTH TO BILOXI MISSISSIPPI
AND INTO GREENE COUNTY MISSISSIPPI. THIS LINE WAS MOVING EAST ABOUT 30
MILES AN HOUR TOWARDS MOBILE ALABAMA. IF THIS LINE CONTINUES EAST IT
WILL BE MOVING INTO ESCAMBIA COUNTY OF FLORIDA BETWEEN 10 AND 11 PM.
STRONG WINDS...FREQUENT LIGHTNING...BRIEF PERIODS OF HEAVY RAIN AND
HAIL IS POSSIBLE WITH THESE THUNDERSTORMS.
OFFICIALS THROUGHOUT NORTHWEST FLORIDA ARE URGED TO ATTEND
ADDED BONUS... A NOAA P3 ORION HURRICANE HUNTER TRACKING AIRCRAFT WILL
BE O PEN FOR VIEW TO THE PUBLIC AT NAVAL AIR STATION
FORREST SHERMAN FIELD
FOR ADDITIONAL INFORMATION CONTACT GARY A BEELER AT THE PENSACOLA
NATIONAL WEATHER SERVICE OFFICE AT 455-6211Special weather statement, May 27, 8:43 PM CDT, 34 minutes before
FLZ001>004-231500-
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY...CORRECTION
NATIONAL WEATHER SERVICE PENSACOLA FL
830 PM CDT SUN MAY 27 1990
...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL MIDNIGHT CDT AND
INCLUDES THE FOLLOWING COUNTIES IN NORTHWEST FLORIDA. ESCAMBIA...SANTA
ROSA...OKALOOSA...WALTON...BAY...WASHINGTON AND HOLMES COUNTIES.
AT 830 PM CDT...A SOLID LINE OF THUNDERSTORMS...SOME POSSIBLY SEVERE...
EXTENDED FROM CHANDELEUR ISLAN LOUISIANA NORTH TO BILOXI MISSISSIPPI
AND INTO GREENE COUNTY MISSISSIPPI. THIS LINE WAS MOVING EAST ABOUT 30
MILES AN HOUR TOWARDS MOBILE ALABAMA. IF THIS LINE CONTINUES EAST IT
WILL BE MOVING INTO ESCAMBIA COUNTY OF FLORIDA BETWEEN 10 AND 11 PM.
STRONG WINDS...FREQUENT LIGHTNING...BRIEF PERIODS OF HEAVY RAIN AND
HAIL IS POSSIBLE WITH THESE THUNDERSTORMS.
BE OPEN FOR VIEW TO THE PUBLIC AT NAVAL AIR STATION
FORREST SHERMAN FIELD
FOR ADDITIONAL INFORMATION CONTACT GARY A BEELER AT THE PENSACOLA
NATIONAL WEATHER SERVICE OFFICE AT 455-6211Special weather statement, May 27, 8:44 PM CDT, 33 minutes before
FLZ001>004-231500- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY...CORRECTION NATIONAL WEATHER SERVICE PENSACOLA FL 830 PM CDT SUN MAY 27 1990 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL MIDNIGHT CDT AND INCLUDES THE FOLLOWING COUNTIES IN NORTHWEST FLORIDA. ESCAMBIA...SANTA ROSA...OKALOOSA...WALTON...BAY...WASHINGTON AND HOLMES COUNTIES. AT 830 PM CDT...A SOLID LINE OF THUNDERSTORMS...SOME POSSIBLY SEVERE... EXTENDED FROM CHANDELEUR ISLAN LOUISIANA NORTH TO BILOXI MISSISSIPPI AND INTO GREENE COUNTY MISSISSIPPI. THIS LINE WAS MOVING EAST ABOUT 30 MILES AN HOUR TOWARDS MOBILE ALABAMA. IF THIS LINE CONTINUES EAST IT WILL BE MOVING INTO ESCAMBIA COUNTY OF FLORIDA BETWEEN 10 AND 11 PM. STRONG WINDS...FREQUENT LIGHTNING...BRIEF PERIODS OF HEAVY RAIN AND HAIL IS POSSIBLE WITH THESE THUNDERSTORMS.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 8:28 PM CDT | Severe Thunderstorm Warning | MOB | Washington | 32 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; the sounding from the Mesonet's radiosonde archive.