Alert archive / Mississippi / Tornado Warnings in 1999
Tornado Warning 34, NWS New Orleans, LA
NWS New Orleans, LA issued this tornado warning at May 30, 1999, 11:55 AM CDT for Pearl River County, Mississippi. It was in force for 30 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- May 30, 1999, 11:55 AM CDT (16:55 UTC)
- Expired
- May 30, 1999, 12:25 PM CDT
- In force
- 30 min
- Issued by
- NWS New Orleans, LA
- Area
- Whole counties
County Pearl River County, MS
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 30, 12:09 PM CDT | Tornado F0 | Savannan, MS | A tornado was observed by fire department personnel touching down in open country near the community of Savannah. No damage was reported. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 4.9 hours before the alert went out and 59 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
- 744 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 865 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 74 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 301655 RRA TORNEW MSC109-301725- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE NEW ORLEANS LA 1155 AM CDT SUN MAY 30 1999 THE NATIONAL WEATHER SERVICE IN NEW ORLEANS LA HAS ISSUED A... * TORNADO WARNING FOR - EASTERN PEARL RIVER COUNTY IN SOUTHERN MISSISSIPPI * UNTIL 1225 PM CDT * AT 1138 AM CDT... SHERIFFS DEPARTMENT REPORTED A FUNNEL CLOUD 9 MILES EAST OF MCNEIL MOVING NORTHEAST AT 15 MPH. * THE TORNADO IS CURRENTLY EXPECTED TO REMAIN OVER RURAL AREAS BUT WILL PASS NEAR THE SAVANNAH COMMUNITY ALONG HIGHWAY 53 AROUND NOON. 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 30, 11:00 AM CDT, 55 minutes before
LAZ034>040-046>050-056>070-MSZ068>071-077-080>082-310000- THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE NEW ORLEANS LA 1100 AM CDT SUN MAY 30 1999 ...LOCALLY HEAVY RAINFALL IS EXPECTED THIS AFTERNOON AND TONIGHT... A STRONG UPPER LEVEL DISTURBANCE IS MOVING ACROSS LOUISIANA TODAY. AN ABUNDANT SUPPLY OF TROPICAL MOISTURE ACROSS THE AREA WILL MAKE TORRENTIAL RAINFALL A PRIMARY THREAT TODAY AND TONIGHT. THUNDERSTORMS WILL BE SCATTERED TO NUMEROUS THROUGHOUT THE DAY AND WILL BE MOVING GENERALLY NORTHEAST BETWEEN 10 AND 15 MPH. DEADLY LIGHTNING CAN BE EXPECTED WITH ALL THE STORMS TODAY AS WELL. SOME OF THE MORE STRONGER STORMS MAY ALSO BE CAPABLE OF PRODUCING WIND GUSTS OF 40 TO 50 MPH IN DOWNBURSTS AND SOME SMALL HAIL...PARTICULARLY THOSE THAT DEVELOP LATER THIS AFTERNOON. WATERSPOUTS WILL ALSO BE POSSIBLE OVER LARGE BODIES OF WATER. LOCAL RAINFALL FORECASTING METHODS SUGGEST RAINFALL AMOUNTS GENERALLY BETWEEN 2 AND 3 INCHES LIKELY WITH LOCALLY HIGHER AMOUNTS AROUND 5 INCHES POSSIBLE FROM SOME OF THE MORE PRONOUNCED STORMS. LOCALIZED STREET AND LOW-LYING AREA FLOODING CAN BE EXPECTED DURING PERIODS OF HEAVY RAINFALL. RESIDENTS...LOCAL LAW ENFORCEMENT AND EMERGENCY PREPAREDNESS PERSONNEL SHOULD MONITOR THE WEATHER SITUATION TODAY AND TONIGHT FOR POTENTIAL HEAVY RAIN AND FLOOD PROBLEMS THAT MAY ARISE. STAY TUNED FOR LATER STATEMENTS AND POSSIBLE WARNINGS THROUGHOUT THE DAY. FOR MORE WEATHER INFORMATION...VISIT OUR HOMEPAGE AT HTTP://WWW.SRH.NOAA.GOV/LIX (ALL LOWER CASE) 24
Special weather statement, May 30, 11:00 AM CDT, 55 minutes before
LAZ034>040-046>050-056>070-MSZ068>071-077-080>082-310000- THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE NEW ORLEANS LA 1100 AM CDT SUN MAY 30 1999 ...LOCALLY HEAVY RAINFALL IS EXPECTED THIS AFTERNOON AND TONIGHT... A STRONG UPPER LEVEL DISTURBANCE IS MOVING ACROSS LOUISIANA TODAY. AN ABUNDANT SUPPLY OF TROPICAL MOISTURE ACROSS THE AREA WILL MAKE TORRENTIAL RAINFALL A PRIMARY THREAT TODAY AND TONIGHT. THUNDERSTORMS WILL BE SCATTERED TO NUMEROUS THROUGHOUT THE DAY AND WILL BE MOVING GENERALLY NORTHEAST BETWEEN 10 AND 15 MPH. DEADLY LIGHTNING CAN BE EXPECTED WITH ALL THE STORMS TODAY AS WELL. SOME OF THE MORE STRONGER STORMS MAY ALSO BE CAPABLE OF PRODUCING WIND GUSTS OF 40 TO 50 MPH IN DOWNBURSTS AND SOME SMALL HAIL...PARTICULARLY THOSE THAT DEVELOP LATER THIS AFTERNOON. WATERSPOUTS WILL ALSO BE POSSIBLE OVER LARGE BODIES OF WATER. LOCAL RAINFALL FORECASTING METHODS SUGGEST RAINFALL AMOUNTS GENERALLY BETWEEN 2 AND 3 INCHES LIKELY WITH LOCALLY HIGHER AMOUNTS AROUND 5 INCHES POSSIBLE FROM SOME OF THE MORE PRONOUNCED STORMS. LOCALIZED STREET AND LOW-LYING AREA FLOODING CAN BE EXPECTED DURING PERIODS OF HEAVY RAINFALL. RESIDENTS...LOCAL LAW ENFORCEMENT AND EMERGENCY PREPAREDNESS PERSONNEL SHOULD MONITOR THE WEATHER SITUATION TODAY AND TONIGHT FOR POTENTIAL HEAVY RAIN AND FLOOD PROBLEMS THAT MAY ARISE. STAY TUNED FOR LATER STATEMENTS AND POSSIBLE WARNINGS THROUGHOUT THE DAY. 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.