Alert archive / Mississippi / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 82, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Jul 7, 1994, 12:40 AM CDT for Harrison County, Mississippi. It was in force for 65 min.
The area
The counties it named.
The facts
- Issued
- Jul 7, 1994, 12:40 AM CDT (05:40 UTC)
- Expired
- Jul 7, 1994, 1:45 AM CDT
- In force
- 65 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
County Harrison County, MS
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 00:00Z, 5.7 hours before the alert went out and 62 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
- 1329 J/kg
- Mixed-layer CIN
- -26 J/kg
- Mixed-layer LCL
- 1138 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 56 m²/s²
- 0-3 km storm-relative helicity
- 69 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 070540 SVRMOB MSC047-070645- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOBILE AL 1240 AM CDT THU JUL 7 1994 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 145 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEAST MISSISSIPPI ...HARRISON COUNTY AT 1240 AM CDT NATIONAL WEATHER SERVICE RADARS SHOWED A SEVERE THUNDERSTORM IN NORTHEAST HARRISON COUNTY IN THE SOUTHERN DE SOTO NATIONAL FOREST. THIS SEVERE STORM WAS MOVING WEST AT 10 MILES AN HOUR. THIS IS IS THE SAME STORM THAT PRODUCED GOLFBALL SIZE HAIL EARLIER IN JACKSON 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.n
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, Jul 6, 7:17 PM CDT, 5 hours 23 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE MOBILE AL
715 PM CDT WED JULY 6 1994
TIME (CDT) EVENT
700 PM BALDWIN COUNTY ALABAMA 911 REPORTED DIME SIZE HAIL
IN ELSANOR...IN THE EAST CENTRAL PART OF THE COUNTY.
ALSO...PEA SIZE HAIL OCCURRED NEAR LOXLEY AROUND THE
SAME TIME.Local storm report, Jul 6, 7:17 PM CDT, 5 hours 23 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE MOBILE AL
715 PM CDT WED JULY 6 1994
TIME (CDT) EVENT
700 PM BALDWIN COUNTY ALABAMA 911 REPORTED DIME SIZE HAIL
IN ELSANOR...IN THE EAST CENTRAL PART OF THE COUNTY.
ALSO...PEA SIZE HAIL OCCURRED NEAR LOXLEY AROUND THE
SAME TIME.Special weather statement, Jul 6, 11:44 PM CDT, 56 minutes before
FLZ001>010-012-070535- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 1135 PM CDT WED JUL 6 1994 ...A FLASH FLOOD WATCH IS IN EFFECT WEDNESDAY NIGHT FOR ESCAMBIA... SANTA ROSA...OKALOOSA...WALTON...HOLMES...AND WASHINGTON COUNTIES OF NORTHWEST FLORIDA... AT 1130 PM CDT...LARGE PATCHES OF RAIN MIXED WITH SCATTERED THUNDER- STORMS...SOME WITH VERY HEAVY RAIN...WERE OVER THE FLORIDA PANHANDLE... SOUTH AND SOUTHWEST ALABAMA...SOUTHEAST MISISSIPPI...AND THE ADJOINING GULF TO 100 MILES OFFSHORE. SOME OF THE THUNDERSTORMS WITH THE HEAVIER RAINS WERE OVER THE COAST AND COASTAL WATERS OF SOUTHEAST WALTON COUNTY. THE THUNDERSTORMS WERE MOVING SLOWLY NORTHEAST. OTHER STRONG THUNDERSTORMS WERE OVER SOUTHEAST MISSISSIPPI AROUND THE PASCAGOULA AND BILOXI AREAS...AND OVER THE COASTAL WATERS SOUTH OF DAUPHIN ISLAND.
Local storm report, Jul 6, 11:58 PM CDT, 42 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE MOBILE AL
1158 PM CDT WED JULY 6 1994
TIME (CDT) EVENT
1150 PM JACKSON COUNTY SHERIFFS OFFICE DEPUTY REPORTED
GOLF BALL SIZED HAIL OVER SOUTHERN JACKSON
COUNTY BETWEEN INTERSTATE 10 AND VANCLEAVE.Local storm report, Jul 7, 12:01 AM CDT, 39 minutes before
STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE MOBILE AL
1158 PM CDT WED JULY 6 1994
TIME (CDT) EVENT
1150 PM JACKSON COUNTY MS SHERIFFS OFFICE DEPUTY REPORTED
GOLF BALL SIZED HAIL OVER SOUTHERN JACKSON
COUNTY BETWEEN INTERSTATE 10 AND VANCLEAVE.Special weather statement, Jul 7, 12:37 AM CDT, 3 minutes before
FLZ001>010-012-070630- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 1230 AM CDT THU JUL 7 1994 ...A FLASH FLOOD WATCH IS IN EFFECT WEDNESDAY NIGHT FOR ESCAMBIA... SANTA ROSA...OKALOOSA...WALTON...HOLMES...AND WASHINGTON COUNTIES OF NORTHWEST FLORIDA... AT 1230 AM CDT...LARGE PATCHES OF RAIN MIXED WITH SCATTERED THUNDER- STORMS...SOME WITH VERY HEAVY RAIN...WERE OVER THE FLORIDA PANHANDLE... SOUTH ALABAMA...SOUTHEAST MISISSIPPI...AND THE ADJACENT GULF OF MEXICO. STRONGEST STORMS WERE JUST NORTHEAST OF BILOXI MISSISSIPPI AND OVER WATER. HEAVIEST RAIN OVER NORTHWEST FLORIDA WAS OVER SOUTHWEST WASHINGTON COUNTY. DUE TO THE EXCESS RAINFALL OVER NORTHWESTL FLORIDA THE PAST SEVERAL DAYS GROUNDS AND RIVERS ARE UNABLE TO HOLD ANY MORE WATER. ANY ADDITIONAL SIGNIFICANT RAINFALL WOULD CALL FOR FLASH FLOOD WARNINGS. PERSONS LIVING IN NORTHWEST FLORIDA SHOULD REMAIN ALERT TO THIS POSSIBILITY.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 11:22 PM CDT | Severe Thunderstorm Warning | MOB | Jackson | 53 min |
| Jul 7, 1:59 AM CDT | Severe Thunderstorm Warning | MOB | Harrison | 61 min |
Nearby
Severe Thunderstorm Warnings in Mississippi, 1994Every severe thunderstorm warning in 1994
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.