Alert archive / Mississippi / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 85, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Jul 17, 1994, 2:39 PM CDT for Harrison County, Mississippi. It was in force for 51 min.
The area
The counties it named.
The facts
- Issued
- Jul 17, 1994, 2:39 PM CDT (19:39 UTC)
- Expired
- Jul 17, 1994, 3:30 PM CDT
- In force
- 51 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
County Harrison County, MS
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 7.7 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
- 1434 J/kg
- Mixed-layer CIN
- -32 J/kg
- Mixed-layer LCL
- 634 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 12 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 171937 RRA SVRMOB MSC047-172030- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOBILE AL 239 PM CDT SUN JUL 17 1994 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 330 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEAST MISSISSIPPI ...HARRISON COUNTY AT 238 PM...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM OVER HARRISON COUNTY NEAR DELISLE AND GULFPORT. THE THUNDERSTORMS WAS MOVING SLOWLY SOUTHEAST. OTHER THUNDERSTORMS...POSSIBLY SEVERE...WERE OVER NORTHERN HARRISON COUNTY NEAR SUCCESS...LIZANA AND LYMAN. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN... AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
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 17, 1:31 PM CDT, 1 hour 8 minutes before
ALZ052-053-055-056-059-061-062-063-064-MSZ075-076-077-078-079-080- 081-082-171930- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 132 PM CDT SUN JUL 17 1994 ...A STRONG THUNDERSTORM HAS DEVELOPED OVER SOUTHERN HARRISON COUNTY... AT 125 PM...NATIONAL WEATHER SERVICE RADAR INDICATED A STRONG THUNDERSTORM OVER SOUTHERN HARRISON COUNTY NEAR BILOXI. THIS THUNDERSTORM MAY PRODUCE STRONG GUSTY WINDS...FREQUENT LIGHTNING STRIKES...VERY HEAVY RAINS AND SOME SMALL HAIL. PERSONS IN OUTDOOR ACTIVITIES IN THE BILOXI AREA SHOUILD MOVE INSIDE UNTIL THE THUNDERSTORM MOVES OUT OF THE AREA. ELSEWHERE...RADAR INDICATED SCATTERED SHOWERS AND THUNDERSTORMS DEVELOPING RAPIDLY OVER SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA. MOVEMENTS WERE TO THE SLOW TO THE SOUTHEAST. WHEN THUNDERSTORMS THREATEN YOUR AREA...DON'T HESITATE TO MOVE INDOORS. STAY AWAY FROM PLUGGED IN ELECTRICAL APPLIANCES AND DON'T USE THE TELEPH EEXCEPT IN AN EMpERGENCY. FOR THE LATEST STATEMENTS AND BULLETINS ON THE AFTERNOON WEATHER...TUNE TO NOAA WEATHER RADIO.
Special weather statement, Jul 17, 1:42 PM CDT, 57 minutes before
ALZ052-053-055-056-059-061-062-063-064-MSZ075-076-077-078-079-080- 081-082-171930- SPECIAL WEATHER STATEMENT...CORRECTION... NATIONAL WEATHER SERVICE MOBILE AL 132 PM CDT SUN JUL 17 1994 ...A STRONG THUNDERSTORM HAS DEVELOPED OVER SOUTHERN HARRISON COUNTY... AT 125 PM...NATIONAL WEATHER SERVICE RADAR INDICATED A STRONG THUNDERSTORM OVER SOUTHERN HARRISON COUNTY NEAR BILOXI. THIS THUNDERSTORM MAY PRODUCE STRONG GUSTY WINDS...FREQUENT LIGHTNING STRIKES...VERY HEAVY RAINS AND SOME SMALL HAIL. PERSONS IN OUTDOOR ACTIVITIES IN THE BILOXI AREA SHOUILD MOVE INSIDE UNTIL THE THUNDERSTORM MOVES OUT OF THE AREA. ELSEWHERE...RADAR INDICATED SCATTERED SHOWERS AND THUNDERSTORMS DEVELOPING RAPIDLY OVER SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA. MOVEMENTS WERE TO THE SLOW TO THE SOUTHEAST. WHEN THUNDERSTORMS THREATEN YOUR AREA...DON'T HESITATE TO MOVE INDOORS. STAY AWAY FROM PLUGGED IN ELECTRICAL APPLIANCES AND DON'T USE THE TELEPHONE EXCEPT IN AN EMERGENCY. FOR THE LATEST STATEMENTS AND BULLETINS ON THE AFTERNOON WEATHER...TUNE TO NOAA WEATHER RADIO.
Special weather statement, Jul 17, 2:00 PM CDT, 39 minutes before
ALZ052-053-055-056-059-061-062-063-064-MSZ075-076-077-078-079-080- 081-082-171930- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 200 PM CDT SUN JUL 17 1994 ...A STRONG THUNDERSTORMS CONTINUE OVER COASTAL MISSISSIPPI... AT 155 PM...NATIONAL WEATHER SERVICE RADAR INDICATED A CLUSTER OF STRONG THUNDERSTORMS OVER SOUTHERN HARRISON COUNTY NEAR BILOXI AND GULFPORT. THESE STORMS WILL PRODUCE STRONG GUSTY WINDS...FREQUENT LIGHTNING STRIKES...VERY HEAVY RAINS AND SOME SMALL HAIL. PERSONS IN OUTDOOR ACTIVITIES IN THE BILOXI...GULFPORT AREAS SHOULD STAY INSIDE UNTIL THE THUNDERSTORMS MOVES OUT OF THE AREA. AT 136 PM...KEESLER AIR FORCE BASE REPORTED A GUST TO 46 MILES AN HOUR AS THE THUNDERSTORM MOVED THROUGH THE AREA.
Special weather statement, Jul 17, 2:26 PM CDT, 13 minutes before
MSZ075>082-ALZ501-LAZ501-172030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 226 PM CDT SUN JUL 17 1994 ...A SPECIAL MARINE WRNING IS IN EFFECT UNTIL 315 PM FOR THE COASTAL WATERS OF MISSISSIPPI FROM BAY ST LOUIS TO PASCAGOULA... ...STRONG THUNDERSTORMS CONTINUE OVER HARRISON COUNTY... AT 225 PM...NATIONAL WEAHER SERVICE RADR INDICATED A CLUSTER OF STRONG THUNDERSTORMS OVER CENTRAL HARRISON COUNTY NEAR LIZANA...LYMAN ...GULFPORT AND BILOXI. THESE STRONG THUNDERSTORMS EXTENDED OFFSHORE INTO THE MISSISSIPPI SOUND TO NEAR CAT ISLAND AND JUST NORTH OF SHIP ISLAND. THE THUNDERSTORMS WERE MOVING SLOWLY TO THE SOUTH AND SOUTHEAST. THESE THUNDERSTORMS HAVE THE POTENTIAL OF PRODUCING STRONG GUSTY WINDS AND VERY HEAVY RAINS. FREQUENT LIGHTNING STRIKES AND SOME SMALL HAIL IS ALSO POSSIBLE. OVER THE COASTAL WATERS...THESE STORMS MAY ALSO PRODUCE ROUGH SEAS...WINDS EXCEEDING GALE FORCE AND WATERSPOUTS. BOATERS IN THE COASTAL WATERS NEAR THESE THUNDERSTORMS SHOULD SEEK SAFE HARBOR IMMEDIATELY.
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.