Alert archive / Mississippi / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 2, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Feb 15, 2003, 4:00 PM CST for Simpson County, Mississippi. It was in force for 20 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Feb 15, 2003, 4:00 PM CST (22:00 UTC)
- Expired
- Feb 15, 2003, 4:20 PM CST
- In force
- 20 min
- Issued by
- NWS Jackson, MS
- Area
- Counties, with a storm outline in the text
County Simpson County, MS
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Feb 15, 3:05 PM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 10.0 hours before the alert went out and 43 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
- 43 J/kg
- Mixed-layer CIN
- -62 J/kg
- Mixed-layer LCL
- 593 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 167 m²/s²
- 0-3 km storm-relative helicity
- 163 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KJAN 152200 SVRJAN MSC127-152220- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING...CORRECTION NATIONAL WEATHER SERVICE JACKSON MS 334 PM CST SAT FEB 15 2003 THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SIMPSON COUNTY IN CENTRAL MISSISSIPPI * UNTIL 420 PM CST * AT 334 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 11 MILES WEST OF SIMPSON COUNTY...OR ABOUT 15 MILES SOUTHEAST OF CRYSTAL SPRINGS...MOVING NORTHEAST AT 25 MPH. A TORNADO WATCH IS ALSO IN EFFECT. TORNADOES CAN DEVELOP SUDDENLY FROM SEVERE THUNDERSTORMS. WINDS UP TO 60 MPH ARE LIKELY WITH THIS STORM. LAT...LON 3204 9019 3178 9010 3181 8966 3205 8968 $$ CRAVEN
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 15, 2:08 PM CST | Flash Flood Warning | JAN | Adams | 3 hr |
| Feb 15, 3:49 PM CST | Tornado Warning | JAN | Marion | 31 min |
| Feb 15, 3:52 PM CST | Severe Thunderstorm Warning | JAN | Simpson | 28 min |
| Feb 15, 4:11 PM CST | Tornado Warning | JAN | Rankin, Smith | 29 min |
| Feb 15, 4:23 PM CST | Tornado Warning | JAN | Jefferson Davis, Marion | 27 min |
| Feb 15, 4:33 PM CST | Tornado Warning | JAN | Scott | 27 min |
| Feb 15, 4:43 PM CST | Tornado Warning | JAN | Smith | 27 min |
| Feb 15, 4:49 PM CST | Tornado Warning | JAN | Covington, Lamar | 31 min |
| Feb 15, 5:00 PM CST | Tornado Warning | JAN | Scott | 40 min |
| Feb 15, 5:09 PM CST | Tornado Warning | JAN | Forrest, Jones | 26 min |
| Feb 15, 5:20 PM CST | Tornado Warning | JAN | Jasper, Smith | 30 min |
| Feb 15, 5:24 PM CST | Tornado Warning | JAN | Newton | 31 min |
| Feb 15, 5:35 PM CST | Tornado Warning | JAN | Jones | 30 min |
| Feb 15, 5:43 PM CST | Tornado Warning | JAN | Neshoba | 47 min |
| Feb 15, 5:48 PM CST | Tornado Warning | JAN | Jasper | 42 min |
Nearby
Severe Thunderstorm Warnings in Mississippi, 2003Every severe thunderstorm warning in 2003
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.