Alert archive / Mississippi / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 28, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Apr 15, 1993, 1:02 AM CDT for Harrison County, Mississippi. It was in force for 58 min.
The area
The counties it named.
The facts
- Issued
- Apr 15, 1993, 1:02 AM CDT (06:02 UTC)
- Expired
- Apr 15, 1993, 2:00 AM CDT
- In force
- 58 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, 6.0 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
- 1374 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 565 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 189 m²/s²
- 0-3 km storm-relative helicity
- 160 m²/s²
- Significant tornado parameter
- 1.1
- Supercell composite
- 6.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMOB 150603 RRA SVRMOB MSC047-ALZ501-150700- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING NATIONAL WEATHER SERVICE MOBILE AL 102 AM CDT THU APR 15 1993 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING EFFECTIVE UNTIL 200 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEAST MISSISSIPPI ...HARRISON COUNTY ...AND THE MISSISSIPPI COASTAL WATERS EAST OF GULFPORT. AT 100 AM A CLUSTER OF SEVERE THUNDERSTORMS WERE INDICATED BY RADAR CENTERED 5 MILES SOUTHEAST OF GULFPORT MISSISSIPPI. THE THUNDERSTORMS WERE MOVING TOWARD THE NORTHEAST AT 35 MPH AND WILL MOVE ACROSS BILOXI DURING THE NEXT FEW MINUTES. THE LINE OF THUNDERSTORMS EXTENDS ACROSS THE COASTAL WATERS TO NEAR THE MOUTH OF THE MISSISSIPPI RIVER AND THE SPECIAL MARINE WARNING IS NOW IN EFFECT FOR ALL THE MISSISSIPPI COASTAL WATERS EAST OF GULFPORT. A TORNADO WATCH IS ALSO IN EFFHECT FOR THE WARNED AREA. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS.
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, Apr 14, 9:01 PM CDT, 4 hours 1 minute before
MSZ014-013-150300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 901 PM CDT WED APR 14 1993 ...TORNADO WATCH NUMBER 123 IN EFFECT FOR SOUTHEAST MISSISSIPPI AND THE ADJACENT COASTAL WATERS UNTIL 100 AM CDT... AT 900 PM CDT MOBILE RADAR INDICATED SCATTERED SHOWERS FROM GULFPORT TO LAUREL IN SOUTHEAST MISSISSIPPI. MOVEMENT WAS TO THE NORTH AT 30 MPH. RAIN AND A FEW SHOWERS COVERED SOUTHEAST LOUISIANA AND THE ADJACENT COASTAL WATERS. NO SEVERE WEATHER HAS BEEN REPORTED OR INDICATED IN SOUTHEAST MISSISSIPPI.
Special weather statement, Apr 14, 10:41 PM CDT, 2 hours 21 minutes before
MSZ014-013-150445- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 1040 PM CDT WED APR 14 1993 ...TORNADO WATCH NUMBER 123 IN EFFECT FOR SOUTHEAST MISSISSIPPI AND THE ADJACENT COASTAL WATERS UNTIL 100 AM CDT... AT 1035 PM CDT MOBILE RADAR INDICATED AN AREA OF RAIN AND SCATTERED THUNDERSTORMS TO THE WEST OF A LINE FROM MERIDAN TO BAY ST. LOUIS MISSISSIPPI TO 30 MILES SOUTH OF BURRWOOD LOUISIANA. MOVEMENT WAS TO THE NORTH AT 30 M0PH. NO SEVERE WEATHER HAS BEEN REPORTED OR INDICATED IN SOUTHEAST MISSISSIPPI.
Special weather statement, Apr 15, 12:43 AM CDT, 19 minutes before
ALZ013-015-016-MSZ014-013-150645- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 1243 AM CDT THU APR 15 1993 ...TORNADO WATCH NUMBER 124 IS IN EFFECT FOR ALL COUNTIES IN SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA FROM 100 AM CDT TO 600 AM CDT... AN EARLIER TORNADO WATCH FOR SOUTHEAST MISSISSIPPI WILL EXPIRE AT 100 AM BUT ALL COUNTIES ARE INCLUDED IN THE NEW WATCH. AT 1235 AM CDT...WEATHER SERVICE RADARS INDICATED AT BROAD BAND OF SHOWERS AND THUNDERSTORMS FROM EAST CENTRAL MISSISSIPPI SOUTH TO THE COAST NEAR GULFPORT AND THEN EXTENDING INTO THE GULF FOR MORE THAN 100 MILES. WITHIN THIS BAND IS A LINE OF STRONG THUNDERSTORMS FROM NEAR HATTIESBURG SOUTH TO BAY ST. LOUIS AND THEN SOUTH INTO THE GULF. THE ENTIRE AREA WAS MOVING TOWARD THE EAST AT 20 MPH WHILE THE THUNDERSTORMS WERE MOVING NORTHEAST AT 35 MPH. THE THUNDERSTORMS WILL CONTINUE EASTWARD ACROSS SOUTHEAST MISSISSIPPI AND MOVE INTO SOUTHWEST ALABAMA AFTER 100 AM. THEY WILL PRODUCE STRONG GUSTY WINDS...DANGEROUS LIGHTNING...HEAVY RAINFALL AND POSSIBLE HAIL. RESIDENTS OF THE WATCH AREA SHOULD REMAIN ALERT TO THE POSSIBLITY OF SEVERE WEATHER.
Nearby
Severe Thunderstorm Warnings in Mississippi, 1993Every severe thunderstorm warning in 1993
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.