Alert archive / Mississippi / Tornado Warnings in 1999
Tornado Warning 1, NWS Mobile, AL
NWS Mobile, AL issued this tornado warning at Jan 2, 1999, 9:19 AM CST for Greene County, Mississippi. It was in force for 41 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
- Jan 2, 1999, 9:19 AM CST (15:19 UTC)
- Expired
- Jan 2, 1999, 10:00 AM CST
- In force
- 41 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
County Greene County, MS
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jan 2, 9:30 AM CST | Thunderstorm Wind 55 | Leakesville, MS | Trees were reported down along HWY 63 near Leakesville. |
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 |
|---|---|---|---|
| Jan 2, 9:00 AM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 3.3 hours before the alert went out and 148 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
- 549 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 615 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 256 m²/s²
- 0-3 km storm-relative helicity
- 331 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 4.7
The text
As transmitted, in the capitals the NWS used until 2016.
999 WFUS1 KMOB 021520 RRA TORMOB MSC041-021600- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE MOBILE AL 919 AM CST SAT JAN 2 1999 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A * TORNADO WARNING FOR... GREENE COUNTY IN SOUTHEASTERN MISSISSIPPI * UNTIL 1000 AM CST * AT 917 AM CST... AS INDICATED BY DOPPLER RADAR A TORNADO WAS LOCATED 8 MILES NORTH OF LEAKESVILLE... MOVING NORTHEAST AT 35 MPH. * TORNADO WILL PASS NEAR- STATE LINE BY 935 AM CST IF YOU ARE IN THE PATH OF A TORNADO...SEEK SAFETY IN AN INTERIOR ROOM SUCH AS A CLOSET ON THE LOWEST FLOOR. USE BLANKETS...PILLOWS...OR CUSHIONS TO COVER YOUR BODY. STAY AWAY FROM WINDOWS.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 2, 8:38 AM CST | Severe Thunderstorm Warning | MOB | Wayne | 67 min |
| Jan 2, 8:48 AM CST | Severe Thunderstorm Warning | MOB | George, Stone | 57 min |
| Jan 2, 9:05 AM CST | Severe Thunderstorm Warning | MOB | Greene | 55 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.