Alert archive / Mississippi / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 87, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Jul 18, 1994, 2:31 PM CDT for Jackson County, Mississippi. It was in force for 44 min.
The area
The counties it named.
The facts
- Issued
- Jul 18, 1994, 2:31 PM CDT (19:31 UTC)
- Expired
- Jul 18, 1994, 3:15 PM CDT
- In force
- 44 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
County Jackson County, MS
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 7.5 hours before the alert went out and 106 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
- 1577 J/kg
- Mixed-layer CIN
- -40 J/kg
- Mixed-layer LCL
- 765 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- -30 m²/s²
- 0-3 km storm-relative helicity
- 4 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 181930 RRA SVRMOB MSC059-182015- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING NATIONAL WEATHER SERVICE MOBILE AL 231 PM CDT MON JUL 18 1994 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING EFFECTIVE UNTIL 315 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEAST MISSISSIPPI ...JACKSON COUNTY ...THE SEVERE THUNDERSTORM WARNING FOR JACKSON COUNTY HAS BEEN EXTENDED UNTIL 315 PM CDT... AT 230 PM...NATIONAL WEATHER SERVICE RADAR CONTINUED TO SHOW A CLUSTER OF SEVERE THUNDERSTORMS OVER SOUTHERN JACKSON COUNTY JUST NORTH OF PASCAGOULA AND OVER CENTRAL AND WESTERN JACKSON COUNTY SOUTH OF VANCLEAVE AND JUST NORTH OF OCEAN SPRINGS AND MOSS POINT. THE THUNDERSTORMS WERE MOVING SLOWLY TO THE SOUTH AND SOUTHEAST. THESE THUNDERSTORMS ARE EXPECTED TO AFFECT THE NEAR COASTAL WATERS OF JACKSON COUNTY WITHIN THE NEXT FEW MINUTES. BOATERS IN THE COASTAL WATERS OF JACKSON COUNTY SHOULD SEEK SAFE HARBOR IMMEDIATELY. 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, Jul 18, 1:49 PM CDT, 42 minutes before
ALZ052-053-055-056-059-061-062-063-064-MSZ075-076-077-078-079-080- 081-082-181945- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 151 PM CDT MON JUL 18 1994 ...THUNDERSTORMS DEVELOPING OVER SOUTHEAST MISSISSIPPI... AT 150 PM...NATIONAL WEATHER SERVICE RADAR INDICATED THUNDERSTORMS DEVELOPING ACROSS SOUTHEAST MISSISSIPPI...MAINLY IN AN AREA THAT EXTENDED FROM NEAR PASCAGOULA...TO NEAR HATTIESBURG...WESTWARD TO NEAR MCCOMB. SOME STRONG THUNDERSTORMS HAVE DEVELOPED IN THIS AREA OVER CENTRAL JACKSON COUNTY NEAR VANCLEAVE AND WADE...AS WELL AS OVER PERRY COUNTY NEAR BEAUMONT AND NEW AUGUSTA. OTHER STRONG THUNDERSTORMS HAVE DEVELOPED OVER NORTHERN GREENE COUNTY. THE THUNDERSTORMS WERE MOVING SLOWLY TO THE SOUTHEAST. THE STRONGER THUNDERSTORMS CAN PRODUCE VERY HEAVY RAINS...FREQUENT DANGEROUS LIGHTNING STRIKES...STRONG GUSTY WINDS AND POSSIBLY SOME SMALL HAIL. PERSONS IN OUTDOOR ACTIVITIES IN SOUTHEAST MISSISSIPPpI SHOULD BE ON THE LOOKOUT FOR THUNDERSTORMS IN THEIR AREA THIS AFTERNOON AND BE PREPARED TO MOVE INDOORS SHOULD THE WEATHER BECOME THREATENING.
Special weather statement, Jul 18, 1:51 PM CDT, 40 minutes before
ALZ052-053-055-056-059-061-062-063-064-MSZ075-076-077-078-079-080- 081-082-181945- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 151 PM CDT MON JUL 18 1994 ...THUNDERSTORMS DEVELOPING OVER SOUTHEAST MISSISSIPPI... AT 150 PM...NATIONAL WEATHER SERVICE RADAR INDICATED THUNDERSTORMS DEVELOPING ACROSS SOUTHEAST MISSISSIPPI...MAINLY IN AN AREA THAT EXTENDED FROM NEAR PASCAGOULA...TO NEAR HATTIESBURG...WESTWARD TO NEAR MCCOMB. SOME STRONG THUNDERSTORMS HAVE DEVELOPED IN THIS AREA OVER CENTRAL JACKSON COUNTY NEAR VANCLEAVE AND WADE...AS WELL AS OVER PERRY COUNTY NEAR BEAUMONT AND NEW AUGUSTA. OTHER STRONG THUNDERSTORMS HAVE DEVELOPED OVER NORTHERN GREENE COUNTY. THE THUNDERSTORMS WERE MOVING SLOWLY TO THE SOUTHEAST. THE STRONGER THUNDERSTORMS CAN PRODUCE VERY HEAVY RAINS...FREQUENT DANGEROUS LIGHTNING STRIKES...STRONG GUSTY WINDS AND POSSIBLY SOME SMALL HAIL. PERSONS IN OUTDOOR ACTIVITIES IN SOUTHEAST MISSISSIPPI SHOULD BE ON THE LOOKOUT FOR THUNDERSTORMS IN THEIR AREA THIS AFTERNOON AND BE PREPARED TO MOVE INDOORS SHOULD THE WEATHER BECOME THREATENING.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 2:02 PM CDT | Severe Thunderstorm Warning | MOB | Jackson | 28 min |
| Jul 18, 3:41 PM CDT | Severe Thunderstorm Warning | MOB | Harrison | 49 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.