Alert archive / Alabama / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 70, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Jun 7, 1989, 4:50 PM CDT for Mobile County, Alabama. It was in force for 25 min.
The area
The counties it named.
The facts
- Issued
- Jun 7, 1989, 4:50 PM CDT (21:50 UTC)
- Expired
- Jun 7, 1989, 5:15 PM CDT
- In force
- 25 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, 9.8 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
- 714 J/kg
- Mixed-layer CIN
- -62 J/kg
- Mixed-layer LCL
- 952 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 95 m²/s²
- 0-3 km storm-relative helicity
- 165 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.6
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KMOB 072151
SVRMOB
ALC097-072215-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
450 PM CDT WED JUN 7 1989
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 515 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTHWEST ALABAMA
...NORTHERN MOBILE
AT 345 PM CDT THE MOBILE RADAR INDICATED A SEVERE THUNDERSTORM OVER
NORTH MOBILE COUNTY NEAR BUCKS ALABAMA. THE STORM WAS MOVING TO THE
EAST AT 15 MPH.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
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, Jun 7, 3:39 PM CDT, 1 hour 11 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 340 PM CDT WED JUN 7 1989 ...A SEVERE THUNDERSTORM WARNING CONTINUES IN EFFECT FOR THE CENTRAL PORTION OF BALDWIN COUNTY ALABAMA UNTIL 400 PM... ...A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF SOUTHEAST MISSSISSIPPI UNTIL 900 PM... THE WATCH INCLUDES HANCOCK...PEARL-RIVER...HARRISON AND STONE COUNTIES OF MISSISSIPPI AS WELL AS THE ADJACENT COASTAL WATERS OF HANCOCK AND HARRISON. AT 335 PM THE MOBILE RADAR INDICATED THUNDERSTORMS IN A RANDOM PATTERN COVERING MUCH OF SOUTHERN MISSISSIPPI AND SOUTH ALABAMA. THE STORMS WERE GENERALLY MOVING TO THE EAST AT 10 TO 15 MPH. THE STRONGEST THUNDERSTORM REMAINS OVER THE WEST-CENTRAL PORTION OF BALDWIN COUNTY ALABAMA WHERE DIME SIZE HAIL AND STRONG WINDS HAVE ALREADY BEEN REPORTED. RESIDENTS OF ALL OF SOUTHWEST ALABAMA AND SOUTHEAST MISSISSIPPI... BUT ESPECIALLY THOSE MISSISSIPPI COUNTIES IN THE WATCH AREA... SHOULD BE ON THE ALERT FOR STRONG THUNDERSTORMS THIS AFTERNOON.
Special weather statement, Jun 7, 3:45 PM CDT, 1 hour 5 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 335 PM CDT WED JUN 7 1989 ...THUNDERSTORMS INCREASING OVER THE FLORIDA PANHANDLE... AT 330 PM CDT...THUNDERSTORMS...SOME WITH VERY HEAVY RAIN AND GUSTY WINDS...WERE OVER THE FLORIDA PANHANDLE...SOUTHWEST ALABAMA...SOUTHEAST MISSISSIPPI...AND THE ADJOINING GULF WATERS. THE TUNDERSTORMS WITH THE HEAVIER RAINS WERE OVER NORTH BALDWIN COUNTY ALABAMA AND WERE MOVING INTO THE NORTHWEST CORNER OF THE FLORIDA PAN- HANDLE...BETWEEN CRESTVIEW AND BONIFAY...FROM AROUND APALACHICOLA TO NEAR PANAMA CITY...AND OVER THE COASTAL WATERS OF BAY AND GULF COUNTY. THE THUNDERSTORMS WERE MOVING NORTHEAST AT 25 MILES AN HOUR. THE STRONGER THUNDERSTORMS WILL PRODUCE PERIODS OF VERY HEAVY RAINS AND SOME FLOODING OF STREETS AND POOR DRAINAGE AREAS...GUSTY WINDS AROUND 40 MILES AN HOUR...FREQUENT LIGHTNING AND POSSIBLE SMALL HAIL...AND FOR MARINE INTEREST THE ADDITIONAL ROU)GH SEAS. PERSONS SHOULD TAKE ANY NECESSARY PRECAUTIONS FOR THESE CONDITIONS.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 7, 3:12 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin | 48 min |
| Jun 7, 4:48 PM CDT | Severe Thunderstorm Warning | MOB | Houston | 57 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.