Alert archive / Mississippi / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 76, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Jun 4, 1991, 4:18 PM CDT for Stone County, Mississippi. It was in force for 57 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jun 4, 1991, 4:18 PM CDT (21:18 UTC)
- Expired
- Jun 4, 1991, 5:15 PM CDT
- In force
- 57 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
County Stone County, MS
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 4, 4:35 PM CDT | Hail 1.25 | Stone, MS |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 9.3 hours before the alert went out and 82 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
- 1608 J/kg
- Mixed-layer CIN
- -82 J/kg
- Mixed-layer LCL
- 1037 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 42 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 042120 SVRMOB MSC131-042215- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOBILE AL 418 PM CDT TUE JUN 4 1991 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 515 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHEAST MISSISSIPPI ...STONE COUNTY AT 416 PM THE MOBILE RADAR INDICATED A CLUSTER OF DEVELOPING AND STRONG THUNDERSTORMS OVER NORTHWEST STONE COUNTY. JACKSON RADAR INDICATED A VERY STRONG STORM 7 MILES WEST OF WIGGINS. LITTLE MOVEMENT IS INDICATED BY RADAR. LARGE HAIL AND DAMAGING WINDS ARE LIKELY...ESPECIALLY OVER NORTHWEST STONE COUNTY. 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
Local storm report, Jun 4, 3:00 PM CDT, 1 hour 18 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE MOBILE AL
300 PM CDT TUE JUN 4 1991
TIME EVENT
240 PM CDT HARRISON COUNTY C.D. REPORTED DIME SIZE HAIL IN
THE CITY OF PASS CHRIST[IAN MISSISSIPPI.Local storm report, Jun 4, 3:25 PM CDT, 53 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE MOBILE AL
325 PM CDT TUE JUN 4 1991
TIME EVENT
300 PM CDT HARRISON COUNTY C.D. REPORTED MARBLE SIZE HAIL IN
THE CITY OF LONG BEAC~H MISSISSIPPI.The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 4, 2:37 PM CDT | Severe Thunderstorm Warning | MOB | Hancock, Harrison | 68 min |
| Jun 4, 4:09 PM CDT | Severe Thunderstorm Warning | MOB | Pearl River | 66 min |
| Jun 4, 5:04 PM CDT | Severe Thunderstorm Warning | MOB | Perry | 41 min |
Nearby
Severe Thunderstorm Warnings in Mississippi, 1991Every severe thunderstorm warning in 1991
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.