Alert archive / Mississippi / Tornado Warnings in 1990
Tornado Warning 34, NWS Jackson, MS
NWS Jackson, MS issued this tornado warning at Apr 27, 1990, 3:18 PM CDT for Scott County, Mississippi. It was in force for 32 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
- Apr 27, 1990, 3:18 PM CDT (20:18 UTC)
- Expired
- Apr 27, 1990, 3:50 PM CDT
- In force
- 32 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Scott County, MS
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 27, 3:20 PM CDT | Tornado F0 | Scott, MS |
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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 8.3 hours before the alert went out and 52 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
- 0 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 6 m²/s²
- 0-3 km storm-relative helicity
- -5 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 KJAN 272019 TORJAN MSC079-089-123-272100- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE JACKSON MS 318 PM CDT FRI APR 27 1990 THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 400 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN CENTRAL MISSISSIPPI ...WESTERN LEAKE COUNTY...EASTERN MADISON COUNTY ...NORTHWESTERN SCOTT COUNTY AT 315 PM CDT...JACKSON RADAR STILL INDICATED A TORNADO OVER EXTREME NORTHWESTERN SCOTT COUNTY...SOUTH OF LUDLOW. THIS STORM WILL BE CROSSING HIGHWAY 25 AND THE PEARL RIVER NEAR THE LEAKE-MADISON COUNTY LINE AROUND 330 PM. MOVEMENT WAS NORTH AT 20 MILES AN HOUR. THIS IS A DANGEROUS STORM. MOVE QUICKLY TO UNDERGROUND SHELTER IF AVAILABLE. OTHERWISE...GO TO AN INTERIOR ROOM ON THE LOWEST FLOOR. AVOID WINDOWS. LEAVE CARS AND MOBILE HOMES FOR A STURDY BUILDING. <
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 27, 2:09 PM CDT | Tornado Warning | JAN | Simpson | 11 min |
| Apr 27, 2:09 PM CDT | Tornado Warning | JAN | Smith | 36 min |
| Apr 27, 2:17 PM CDT | Tornado Warning | JAN | Rankin | 28 min |
| Apr 27, 2:38 PM CDT | Severe Thunderstorm Warning | JAN | Madison, Yazoo | 37 min |
| Apr 27, 2:46 PM CDT | Tornado Warning | JAN | Rankin, Scott | 29 min |
| Apr 27, 3:03 PM CDT | Severe Thunderstorm Warning | JAN | Holmes | 42 min |
| Apr 27, 3:18 PM CDT | Tornado Warning | JAN | Leake, Madison | 42 min |
| Apr 27, 3:37 PM CDT | Flash Flood Warning | JAN | Hinds | 2 hr |
| Apr 27, 4:02 PM CDT | Tornado Warning | JAN | Attala | 43 min |
| Apr 27, 4:09 PM CDT | Tornado Warning | JAN | Simpson | 36 min |
| Apr 27, 4:46 PM CDT | Tornado Warning | JAN | Carroll | 29 min |
| Apr 27, 4:53 PM CDT | Severe Thunderstorm Warning | JAN | Newton | 37 min |
Nearby
Tornado Warnings in Mississippi, 1990Every tornado warning in 1990Tornadoes in 1990
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.