Alert archive / Alabama / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 75, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Jun 8, 1989, 10:41 AM CDT for Mobile County, Alabama. It was in force for 49 min.
The area
The counties it named.
The facts
- Issued
- Jun 8, 1989, 10:41 AM CDT (15:41 UTC)
- Expired
- Jun 8, 1989, 11:30 AM CDT
- In force
- 49 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
County Mobile 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
Slidell Radar S, LA (KSIL), launched 12:00Z, 3.7 hours before the alert went out and 152 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
- 2984 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 522 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 217 m²/s²
- 0-3 km storm-relative helicity
- 324 m²/s²
- Significant tornado parameter
- 4.9
- Supercell composite
- 26.4
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KMOB 081542
SVRMOB
ALC097-081630-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1041 AM CDT THU JUN 8 1989
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1130 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTHWEST ALABAMA
...CENTRAL MOBILE
AT 1039 AM WEATHER SERVICE RADARS INDICATED A SEVERE THUNDERSTORM 3
MILES NORTH OF THE MOBILE AIRPORT MOVING TOWARD THE EAST NORTHEAST
AT 25 MPH.
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, Jun 8, 5:10 AM CDT, 5 hours 31 minutes before
SPECIAL WEATHER STATEMENT AND MARINE STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 505 AM CDT THU JUN 8 1989 ...TORNADO WATCH 435 CANCELED FOR SOUTHEAST MISSISSIPPI AND THE ADJACENT COASTAL WATERS... ...TORNADO WATCH 436 IN EFFECT UNTIL 800 AM CDT FOR SOUTHWEST ALABAMA AND THE ADJACENT COASTAL WATERS... ...SPECIAL MARINE WARNING IN EFFECT UNTIL 615 AM FROM GULFPORT MISSISSIPPI TO PERDIDO BAY ALABAMA... AT 505 AM MOBILE RADAR INDICATED A LINE OF STRONG THUNDERSTORMS EXTENDING FROM WEEKS BAY ALABAMA TO 10 MILES SOUTH OF DAUPHIN ISLAND. THIS LINE OF STORMS WAS MOVING TO THE EAST AT 25 MILES AN HOUR AND MAY PRODUCE STRONG WINDS AND ROUGH SEAS. OTHER THUNDERSTORMS COVERED MOST OF SOUTHWEST ALABAMA AND THE WESTERN FLORIDA PANHANDLE. THUNDERSTORMS WERE SCATTERED OVER SOUTHEAST MISSISSIPPI.
Special weather statement, Jun 8, 5:27 AM CDT, 5 hours 14 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 525 AM CDT THU JUN 8 1989 ...A SEVERE THUNDERSTORM WARNING IS IN EFFECT UNTIL 6 AM CDT FOR THE SOUTH PORTIONS OF ESCAMBIA AND SANTA ROSA COUNTIES OF FLORIDA... ...A TORNADO WATCH IS IN EFFECT UNTIL 8 AM CDT THIS THURSDAY MORNING FOR PORTIONS OF SOUTH ALABAMA...NORTHWEST FLORIDA...AND THE ADJACENT COASTAL WATERS. THE WATCH INCLUDES THE FOLLOWING COUNTIES IN NORTHWEST FLORIDA. ESCAMBIA...SANTA ROSA...OKALOOSA...WALTON...BAY...WASHINGTON ...AND HOLMES... AT 530 AM CDT...A SOLID LINE OF THUNDERSTORMS STRETCHED FROM NORTH ESCAMBIA COUNTY OF FLORIDA SOUTH AND SOUTHWEST TO GULF SHORES ALABAMA. THIS LINE WAS MOVING RAPIDLY EAST. THE LINE WAS PART OF AN EXTENSIVE RAIN AREA THAT COVERED MOST OF THE NORTH CENTRAL GULF COAST AND THE ADJACENT GULF OF MEXICO. THE RAIN AREA WAS SPREADING NORTHEAST AND EAST OVER THE REMAINDER OF SOUTH ALABAMA AND NORTHWEST FLORIDA.
Special weather statement, Jun 8, 7:30 AM CDT, 3 hours 11 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 730 AM CDT THU JUN 8 1989 ...A TORNADO WATCH IS IN EFFECT UNTIL 8 AM CDT THIS FOR PORTIONS OF SOUTH ALABAMA...NORTHWEST FLORIDA...AND THE ADJACENT COASTAL WATERS. THE WATCH INCLUDES THE FOLLOWING COUNTIES IN NORTHWEST FLORIDA. ESCAMBIA...SANTA ROSA...OKALOOSA...WALTON...BAY...WASHINGTON...AND HOLMES. AT 730 SCATTERED THUNDERSTORMS WERE PART OF AN EXTENSIVE RAIN SYSTEM WHICH BLANKETED MUCH OF THE NORTH CENTRAL GULF COAST STATES AND THE ADJACENT GULF OF MEXICO. SOME OF THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING VERY HEAVY RAINFALL...STRONG GUSTY WINDS...AND FREQUENT LIGHTNING. COVERED MUCH OF THE NORTH CENTRAL GULF STATES AND ADJACENT WATERS. THE AREA WAS SPREADING NORTHEAST AND EAST ACROSS THE REMAINDER OF SOUTH ALABAMA AND NORTHWEST FLORIDA.
Special weather statement, Jun 8, 7:35 AM CDT, 3 hours 6 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY...CORRECTION NATIONAL WEATHER SERVICE PENSACOLA FL 730 AM CDT THU JUN 8 1989 ...A TORNADO WATCH IS IN EFFECT UNTIL 8 AM CDT FOR PORTIONS OF SOUTH ALABAMA...NORTHWEST FLORIDA...AND THE ADJACENT COASTAL WATERS. THE WATCH INCLUDES THE FOLLOWING COUNTIES IN NORTHWEST FLORIDA. ESCAMBIA... SANTA ROSA...OKALOOSA...WALTON...BAY...WASHINGTON...AND HOLMES. AT 730 AM CDT...SCATTERED THUNDERSTORMS WERE PART OF AN EXTENSIVE RAIN AREA WHICH BLANKETED MUCH OF THE NORTH CENTRAL GULF COAST STATES AND THE ADJACENT GULF OF MEXICO. SOME OF THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING VERY HEAVY RAINFALL...STRONG GUSTY WINDS...AND FREQUENT LIGHTNING.
Special weather statement, Jun 8, 8:52 AM CDT, 1 hour 49 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 840 AM CDT THU JUN 8 1989 ...A TORNADO WATCH IS IN EFFECT UNTIL 2 PM CDT FOR BALDWIN AND MOBILE COUTIES ALABAMA AND ADJACENT COASTAL WATERS. AT 830 AM CDT...SCATTERED THUNDERSTORMS WERE PART OF AN EXTENSIVE RAIN AREA WHICH COVERS MUCH OF EXTREME SOUTHEAST MISSISSIPPI...SOUTH ALABAMA ...THE WEST 2/3 OF THE FLORIDA PANHANDLE AND ADJACENT COSATAL WATERS. SOME OF THE HEAVIER STORMS WILL PRODUCE VERY HEAVY RAINFALL WITH SOME STREET FLOODING...STRONG GUSTY WINDS...AND FREQUENT LIGHTNING.
Special weather statement, Jun 8, 9:15 AM CDT, 1 hour 26 minutes before
SPECIAL WEATHER STATEMENT AND MARINE STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 915 AM CDT THU JUN 8 1989 ...A TORNADO WATCH IS IN EFFECT FOR SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA AND THE MISSISSIPPI AND ALABAMA COASTAL WATERS UNTIL 2 PM CDT... AT 910 PM THE MOBILE RADAR INDICATED NUMEROUS SHOWERS AND STRONG THUNDERSTORMS COVERING ALL OF SOUTHWEST ALABAMA. THUNDERSTORMS WERE MORE SCATTERED OVER SOUTHEAST MISSISSIPPI. ALL THE STORMS WERE MOVING TOWARD THE NORTHEAST AT 25 MPH. FURTHER TO THE WEST...OVER LOUISIANA AND SOUTH MISSISSIPPI...A VERY INTENSE LINE OF THUNDERSTORMS FROM JUST EAST OF MCCOMB MISSISSIPPI TO THE COAST EAST OF LAKE CHARLES WAS MOVING TOWARD TH;E EAST. SEVERAL TORNADOES HAVE BEEN REPORTED WITH THIS LINE. RESIDENTS OF SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA SHOULD REMAIN ALERT FOR THE POSSIBLITY OF SEVERE WEATHER TODAY.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 7, 8:09 PM CDT | Severe Thunderstorm Warning | MOB | Houston | 66 min |
| Jun 8, 9:46 AM CDT | Tornado Warning | MOB | Baldwin | 29 min |
| Jun 8, 10:17 AM CDT | Tornado Warning | MOB | Baldwin | 28 min |
| Jun 8, 11:09 AM CDT | Tornado Warning | MOB | Baldwin | 36 min |
| Jun 8, 1:26 PM CDT | Severe Thunderstorm Warning | MOB | Mobile | 49 min |
| Jun 8, 1:43 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin | 47 min |
| Jun 8, 2:16 PM CDT | Severe Thunderstorm Warning | MOB | Escambia | 44 min |
| Jun 8, 2:30 PM CDT | Tornado Warning | MOB | Baldwin | 45 min |
| Jun 8, 3:41 PM CDT | Flash Flood Warning | MOB | Mobile | 4 hr |
| Jun 8, 4:48 PM CDT | Tornado Warning | MOB | Baldwin | 27 min |
| Jun 8, 6:45 PM CDT | Tornado Warning | MOB | Baldwin | 45 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 1989Every severe thunderstorm warning in 1989
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.