Alert archive / Mississippi / Tornado Warnings in 2002
Tornado Warning 45, NWS Mobile, AL
NWS Mobile, AL issued this tornado warning at Dec 19, 2002, 11:42 AM CST for Greene County, Mississippi. It was in force for 5 hr. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Dec 19, 2002, 11:42 AM CST (17:42 UTC)
- Expired
- Dec 19, 2002, 4:30 PM CST
- In force
- 5 hr
- Issued by
- NWS Mobile, AL
- Area
- Counties, with a storm outline in the text
County Greene County, MS
The radar
The Mobile radar (KMOB), 64 km from the middle of the area, began a volume at 17:45 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Dec 19, 11:45 AM CST | Tornado F0 | Rounsaville, MS | A weak tornado briefly touched down near Rounsaville. Several trees were blown down. |
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 |
|---|---|---|---|
| Dec 19, 9:35 AM CST | Tornado Watch | SPC | 5 hr |
| Dec 19, 11:40 AM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 5.7 hours before the alert went out and 151 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
- 668 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 480 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 304 m²/s²
- 0-3 km storm-relative helicity
- 417 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.3
The text
As transmitted, in the capitals the NWS used until 2016.
353 WFUS54 KMOB 191742 TORMOB MSC041-191800- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE MOBILE AL 1142 AM CST THU DEC 19 2002 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A * TORNADO WARNING FOR... GREENE COUNTY IN SOUTHEAST MISSISSIPPI * UNTIL NOON CST * AT 1140 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A TORNADO 2 MILES WEST OF ROUNSAVILLE...MOVING NORTHEAST AT 45 MPH. * THE TORNADO WILL REMAIN OVER MAINLY RURAL AREAS OF... EASTERN GREENE AND NORTHEASTERN GREENE COUNTIES. IF YOU ARE IN THE PATH OF A TORNADO...ABANDON VEHICLES AND TRAILER HOMES AND SEEK A REINFORCED SHELTER UNTIL THE STORM HAS PASSED. IF IN A MOBILE HOME OR VEHICLE...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. LAT...LON 3117 8867 3106 8851 3113 8846 3139 8849
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 19, 12:59 PM CST | Tornado Warning | MOB | Greene | 4 days |
Nearby
Tornado Warnings in Mississippi, 2002Every tornado warning in 2002Tornadoes in 2002
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; radar from the NEXRAD Level II archive.