Alert archive / Mississippi / Tornado Warnings in 1999
Tornado Warning 37, NWS New Orleans, LA
NWS New Orleans, LA issued this tornado warning at May 31, 1999, 3:30 PM CDT for Hancock County, Mississippi. It was in force for 35 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- May 31, 1999, 3:30 PM CDT (20:30 UTC)
- Expired
- May 31, 1999, 4:05 PM CDT
- In force
- 35 min
- Issued by
- NWS New Orleans, LA
- Area
- Whole counties
County Hancock County, MS
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 8.5 hours before the alert went out and 27 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
- 591 J/kg
- Mixed-layer CIN
- -35 J/kg
- Mixed-layer LCL
- 623 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- 19 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 KNEW 312030 RRA TORNEW MSC045-312105- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE NEW ORLEANS LA 330 PM CDT MON MAY 31 1999 THE NATIONAL WEATHER SERVICE IN NEW ORLEANS LA HAS ISSUED A... * TORNADO WARNING FOR - HANCOCK COUNTY IN SOUTHERN MISSISSIPPI * UNTIL 405 PM CDT * AT 328 PM CDT... SHERIFFS DEPARTMENT REPORTED A TORNADO NEAR THE ANNUNCIATION CATHOLIC CHURCH NEAR KILN ALONG HIGHWAY 603. IF YOU ARE IN THESE AREAS...SEEK SHELTER IN A SMALL INTERIOR ROOM AWAY FROM WINDOWS IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. &
What forecasters said that day
The local office's own words before this tornado 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, May 31, 11:07 AM CDT, 4 hours 23 minutes before
LAZ034>040-046>050-056>070-MSZ068>071-077-080>082-010000- THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE NEW ORLEANS LA 1107 AM CDT MON MAY 31 1999 ...THERE IS A CHANCE FOR MARGINALLY SEVERE THUNDERSTORMS THIS AFTERNOON AND EVENING... AN APPROACHING UPPER LEVEL DISTURBANCE COUPLED WITH SEA BREEZE FLOW WILL PROVIDE A GOOD CHANCE OF THUNDERSTORM DEVELOPMENT ACROSS THE REGION THIS AFTERNOON. WHILE CONDITIONS ARE RELATIVELY STABLE CURRENTLY...THE DAYTIME HEATING INTO THE UPPER 80S WILL DESTABILIZE THE AIRMASS. THE ONSET OF THUNDERSTORMS IS EXPECTED MAINLY AROUND NOON NEAR THE COAST AND 3 PM IN SCATTERED COVERAGE FARTHER INLAND. THE ACTIVITY WILL CONTINUE UNTIL THE LATE EVENING HOURS. A SQUALL LINE OF STRONG THUNDERSTORMS MAY DEVELOP GENERALLY NORTHWEST OF THE AREA AND MOVE SOUTHWARD AROUND SUNSET. THE MAIN THREAT WILL BE THUNDERSTORM GUSTS APPROACHING 60 MPH AND FREQUENT DEADLY LIGHTNING. SOME OF THE MORE PRONOUNCED STORMS MAY ALSO PRODUCE DIME TO NICKEL SIZED HAIL. WATERSPOUTS WILL ALSO BE COMMON NEAR LARGE BODIES OF WATER TODAY. WITH TODAY BEING AN OUTDOOR HOLIDAY...PERSONS SHOULD CLOSELY MONITOR THE WEATHER SITUATION THIS AFTERNOON AND BE PREPARED TO MOVE INDOORS IF THREATENING WEATHER APPROACHES. BOATERS SHOULD ALSO BE PREPARED TO QUICKLY MOVE TO SAFE HARBOR IF DARKENING SKIES ARE NOTED. FOR MORE WEATHER INFORMATION...VISIT OUR HOMEPAGE AT HTTP://WWW.SRH.NOAA.GOV/LIX (ALL LOWER CASE) 24
Special weather statement, May 31, 11:07 AM CDT, 4 hours 23 minutes before
LAZ034>040-046>050-056>070-MSZ068>071-077-080>082-010000- THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE NEW ORLEANS LA 1107 AM CDT MON MAY 31 1999 ...THERE IS A CHANCE FOR MARGINALLY SEVERE THUNDERSTORMS THIS AFTERNOON AND EVENING... AN APPROACHING UPPER LEVEL DISTURBANCE COUPLED WITH SEA BREEZE FLOW WILL PROVIDE A GOOD CHANCE OF THUNDERSTORM DEVELOPMENT ACROSS THE REGION THIS AFTERNOON. WHILE CONDITIONS ARE RELATIVELY STABLE CURRENTLY...THE DAYTIME HEATING INTO THE UPPER 80S WILL DESTABILIZE THE AIRMASS. THE ONSET OF THUNDERSTORMS IS EXPECTED MAINLY AROUND NOON NEAR THE COAST AND 3 PM IN SCATTERED COVERAGE FARTHER INLAND. THE ACTIVITY WILL CONTINUE UNTIL THE LATE EVENING HOURS. A SQUALL LINE OF STRONG THUNDERSTORMS MAY DEVELOP GENERALLY NORTHWEST OF THE AREA AND MOVE SOUTHWARD AROUND SUNSET. THE MAIN THREAT WILL BE THUNDERSTORM GUSTS APPROACHING 60 MPH AND FREQUENT DEADLY LIGHTNING. SOME OF THE MORE PRONOUNCED STORMS MAY ALSO PRODUCE DIME TO NICKEL SIZED HAIL. WATERSPOUTS WILL ALSO BE COMMON NEAR LARGE BODIES OF WATER TODAY. WITH TODAY BEING AN OUTDOOR HOLIDAY...PERSONS SHOULD CLOSELY MONITOR THE WEATHER SITUATION THIS AFTERNOON AND BE PREPARED TO MOVE INDOORS IF THREATENING WEATHER APPROACHES. BOATERS SHOULD ALSO BE PREPARED TO QUICKLY MOVE TO SAFE HARBOR IF DARKENING SKIES ARE NOTED. FOR MORE WEATHER INFORMATION...VISIT OUR HOMEPAGE AT HTTP://WWW.SRH.NOAA.GOV/LIX (ALL LOWER CASE) 24
Nearby
Tornado Warnings in Mississippi, 1999Every tornado warning in 1999Tornadoes in 1999
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.