Alert archive / Mississippi / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 122, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Nov 15, 1989, 1:54 PM CST for Lamar County, Mississippi. It was in force for 36 min.
The area
The counties it named.
The facts
- Issued
- Nov 15, 1989, 1:54 PM CST (19:54 UTC)
- Expired
- Nov 15, 1989, 2:30 PM CST
- In force
- 36 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
County Lamar 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
Jackson, MS (KJAN), launched 12:00Z, 7.9 hours before the alert went out and 135 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
- 1106 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 570 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 257 m²/s²
- 0-3 km storm-relative helicity
- 244 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 6.6
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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, Nov 15, 1:15 PM CST, 39 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 115 PM CST TUE NOV 14 1989 ...STRONG THUNDERSTORMS DEVELOPING... AT 110 PM CST MOBILE RADAR INDICATED SCATTERED THUNDERSTORMS OVER THE INLAND SECTIONS OF SOUTHEAST MISSISSIPPI AND SOUTHEAST MISSISPPI. THESE STORMS WERE NORTH OF A LINE FROM EVERGREEN TO FORT STOCKTON ALABAMA TO HATTIESBURG MISSISSIPPI TO KENTWOOK LOUISIANA. THE STORMS WERE MOVING TO THE NORTHEAST AT 60 MILESS AN HOUR AND LOCALLY SEVERE WEATHER COULD DEVELOP VERY RAPIDLY.
Special weather statement, Nov 15, 1:19 PM CST, 35 minutes before
SPECIAL WEATHER STATEMENT CORRECTION NATIONAL WEATHER SERVICE MOBILE AL 115 PM CST TUE NOV 14 1989 ...STRONG THUNDERSTORMS DEVELOPING... AT 110 PM CST MOBILE RADAR INDICATED SCATTERED THUNDERSTORMS OVER THE INLAND SECTIONS OF SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA. THESE STORMS WERE NORTH OF A LINE FROM EVERGREEN TO FORT STOCKTON ALABAMA TO HATTIESBURG MISSISSIPPI TO KENTWOOD LOUISIANA. THE STORMS WERE MOVING TO THE NORTHEASXT AT 60 MILES AN HOUR AND LOCALLY SEVERE WEATHER COULD DEVELOP VERY RAPIDLY.
Special weather statement, Nov 15, 1:37 PM CST, 17 minutes before
SPECIAL WEATHER STATEMENT CORRECTION (DATE) NATIONAL WEATHER SERVICE MOBILE AL 115 PM CST WED NOV 15 1989 ...STRONG THUNDERSTORMS DEVELOPING... AT 110 PM CST MOBILE RADAR INDICATED SCATTERED THUNDERSTORMS OVER THE INLAND SECTIONS OF SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA. THESE STORMS WERE NORTH OF A LINE FROM EVERGREEN TO FORT STOCKTON ALABAMA TO HATTIESBURG MISSISSIPPI TO KENTWOOD LOUISIANA. THE STORMS WERE MOVING TO THE NvORTHEAST AT 60 MILES AN HOUR AND LOCALLY SEVERE WEATHER COULD DEVELOP VERY RAPIDLY.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 15, 3:35 PM CST | Severe Thunderstorm Warning | MOB | Tallapoosa | 55 min |
| Nov 15, 3:54 PM CST | Severe Thunderstorm Warning | MOB | Chambers | 66 min |
| Nov 15, 4:08 PM CST | Tornado Warning | MOB | Chambers, Tallapoosa | 67 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.