Alert archive / Mississippi / Tornado Warnings in 1999
Tornado Warning 27, NWS New Orleans, LA
NWS New Orleans, LA issued this tornado warning at Mar 13, 1999, 10:13 AM CST for Amite County, Mississippi. It was in force for 37 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
- Mar 13, 1999, 10:13 AM CST (16:13 UTC)
- Expired
- Mar 13, 1999, 10:50 AM CST
- In force
- 37 min
- Issued by
- NWS New Orleans, LA
- Area
- Whole counties
County Amite County, MS
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 13, 10:30 AM CST | Thunderstorm Wind | Liberty, MS | Thunderstorm winds blew a tree down across a mobile home 4 miles southwest of Liberty along Highway 48. |
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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 13, 10:00 AM CST | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 4.2 hours before the alert went out and 145 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 510 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- 491 m²/s²
- 0-3 km storm-relative helicity
- 557 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KNEW 131612 RRA TORNEW MSC005-131650- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE NEW ORLEANS LA 1013 AM CST SAT MAR 13 1999 THE NATIONAL WEATHER SERVICE IN NEW ORLEANS LA HAS ISSUED A... * TORNADO WARNING FOR - AMITE COUNTY IN SOUTHERN MISSISSIPPI * UNTIL 1050 AM CST * AT 1013 AM CST... DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING TORNADO 18 MILES SOUTHWEST OF LIBERTY MOVING NORTHEAST AT 45 MPH. * SOME LOCATIONS IN AND NEAR THE PATH OF THIS TORNADO ARE... LIBERTY AT 1036 AM CST IF YOU ARE IN THESE AREAS...SEEK SHELTER IN A SMALL INTERIOR ROOM AWAY FROM WINDOWS IF YOU ARE IN THE PATH OF A TORNADO...GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE. SEEK SHELTER IN AN INTERIOR ROOM SUCH AS A CLOSET ON THE LOWEST FLOOR. USE BLANKETS...PILLOWS...OR CUSHIONS TO COVER YOUR BODY. AVOID WINDOWS.
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, Mar 13, 10:05 AM CST, 8 minutes before
LAZ034>040-046>050-056>070-MSZ068>071-077-080>082-132301- THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE NEW ORLEANS LA 1005 AM CST SAT MAR 13 1999 ...A TORNADO WATCH IS IN EFFECT FOR SOUTHEAST LOUISIANA AND SOUTH MISSISSIPPI UNTIL 4 PM CST... ...A FLASH FLOOD WATCH IS IN EFFECT FOR SOUTHEAST LOUISIANA AND SOUTH MISSISSIPPI FOR TODAY... A LARGE SLOW MOVING UPPER LEVEL DISTURBANCE AND COLD FRONT WILL MOVE ACROSS SOUTHEAST LOUISIANA AND SOUTH MISSISSIPPI THIS AFTERNOON. THE UPPER LEVEL DISTURBANCE IS PROVIDING A VERY FAVORABLE SETUP FOR SEVERE THUNDERSTORMS AND HEAVY RAIN TODAY. IN ADDITION...BECAUSE THE ATMOSPHERE IS SO MOIST AND UNSTABLE...AND THE LOW AND MIDDLE LEVEL WINDS PATTERN ARE FAVORABLE FOR SEVERE THUNDERSTORMS. SOME OF THESE THUNDERSTORMS COULD PRODUCE STRONG WINDS DAMAGING WINDS... LARGE HAIL AND TORNADOES. 2 TO 3 OF RAIN COULD FALL WITHIN A FEW HOURS PRODUCING SOME FLASH FLOODING OF HIGHWAYS. PEOPLE ARE URGED TO FOLLOW THE WEATHER CLOSELY TODAY AND BE PREPARED TO TAKE QUICK PROTECTIVE ACTION IF A SEVERE THUNDERSTORM...TORNADO OR FLASH FLOOD WARNING IS POSTED FOR THEIR PARISH OR COUNTY. FOR MORE WEATHER INFORMATION...PLEASE VISIT OUR HOMEPAGE AT HTTP://WWW.SRH.NOAA.GOV/LIX (ALL LOWER CASE).
The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 13, 9:38 AM CST | Severe Thunderstorm Warning | LIX | Wilkinson | 32 min |
| Mar 13, 9:58 AM CST | Severe Thunderstorm Warning | LIX | Amite | 47 min |
| Mar 13, 11:31 AM CST | Severe Thunderstorm Warning | LIX | Pike | 34 min |
| Mar 13, 11:37 AM CST | Severe Thunderstorm Warning | LIX | Walthall | 33 min |
| Mar 13, 12:22 PM CST | Flash Flood Warning | LIX | Pike | 2 hr |
| Mar 13, 2:16 PM CST | Flash Flood Warning | LIX | Pike | 74 min |
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.