Alert archive / Mississippi / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 74, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Jun 8, 1989, 2:52 AM CDT for 4 counties in Mississippi. It was in force for 68 min.
The area
The counties it named.
The facts
- Issued
- Jun 8, 1989, 2:52 AM CDT (07:52 UTC)
- Expired
- Jun 8, 1989, 4:00 AM CDT
- In force
- 68 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
Counties Hancock County, MS, Harrison County, MS, Pearl River County, MS, Stone County, MS
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 00:00Z, 7.9 hours before the alert went out and 53 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
- 1274 J/kg
- Mixed-layer CIN
- -44 J/kg
- Mixed-layer LCL
- 739 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 10 m²/s²
- 0-3 km storm-relative helicity
- 31 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 080753
SVRMOB
MSC045-047-109-131-080900-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
252 AM CDT THU JUN 8 1989
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 400 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN SOUTHEAST MISSISSIPPI
...HANCOCK...HARRISON...PEARL.RIVER...STONE
AT 250 AM NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF SEVERE
THUNDERSTORMS WAS MOVING RAPIDLY EASTWARD ACROSS PEARL RIVER AND
HANCOCK COUNTIES OF SOUTHEAST MISSISSIPPI. THESE STORMS HAVE BEEN
PRODUCING DAMAGING WINDS. MOVEMENT WAS TO THE EAST AT 45 MILES AN
HOUR.
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, 2:43 AM CDT, 9 minutes before
SPECIAL WEATHER STATEMENT AND MARINE STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 240 AM CDT THU JUN 8 1989 ...TORNADO WATCH IN EFFECT UNTIL 600 AM FOR SOUTHEAST MISSISSIPPI AND THE ADJACENT COASTAL WATERS... AT 225 AM MOBILE RADAR INDICATED THE LEADING EDGE OF A LARGE AREA THUNDERSTORMS WAS FROM NEAR JACKSON MISSISSIPPI TO ATMORE ALABAMA TO NEAR PANAMA CITY FLORIDA. THE STORMS WERE MOVING TO THE EAST AND NORTHEAST AT 20 TO 35 MILES AN HOUR. A VERY STRONG THUNDERSTORM WAS NEAR PICAYUNE MISSISSIPPI. IT HAS PRODUCED WINDS TO 60 MILES AN HOUR IN PARTS OF SOUTHEAST LOUISIANA DURING THE PAST HOUR. VERY STRONG THUNDERSTORMS WERE ALSO NEAR THE NORTHERN END OF THE CHANDELEUR ISLANDS OF LOUISIANA. THEY WERE ALSO MOVING NORTHEAST.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 7, 11:13 PM CDT | Severe Thunderstorm Warning | MOB | Lamar | 32 min |
| Jun 7, 11:48 PM CDT | Severe Thunderstorm Warning | MOB | Forrest | 27 min |
| Jun 8, 12:21 PM CDT | Tornado Warning | MOB | Hancock | 39 min |
| Jun 8, 1:18 PM CDT | Severe Thunderstorm Warning | MOB | Jackson | 42 min |
Nearby
Severe Thunderstorm Warnings in Mississippi, 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.