Alert archive / Mississippi / Tornado Warnings in 1990
Tornado Warning 78, NWS Jackson, MS
NWS Jackson, MS issued this tornado warning at Dec 22, 1990, 1:13 PM CST for Jones County, Mississippi. It was in force for 62 min.
The area
The counties it named.
The facts
- Issued
- Dec 22, 1990, 1:13 PM CST (19:13 UTC)
- Expired
- Dec 22, 1990, 2:15 PM CST
- In force
- 62 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Jones County, MS
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 7.2 hours before the alert went out and 116 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
- 822 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 605 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 241 m²/s²
- 0-3 km storm-relative helicity
- 265 m²/s²
- Significant tornado parameter
- 1.1
- Supercell composite
- 5.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMEI 221913 TORMEI MSC067-222015- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE MERIDIAN MS 113 PM CST SAT DEC 22 1990 THE NATIONAL WEATHER SERVICE IN MERIDIAN HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 215 PM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST CENTRAL MISSISSIPPI ...JONES COUNTY AT 112 PM CST RADAR INDICATED A POSSIBLE TORNADO 20 MILES SOUTHWEST OF LAUREL MISSISSIPPI MOVING NORTHEAST AT 45 MPH. IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A BASEMENT. GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...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.
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 21, 6:04 PM CST | Severe Thunderstorm Warning | JAN | Hinds, Yazoo | 56 min |
| Dec 21, 6:09 PM CST | Tornado Warning | JAN | Grenada, Montgomery | 51 min |
| Dec 21, 6:58 PM CST | Tornado Warning | JAN | Calhoun | 47 min |
| Dec 21, 7:05 PM CST | Flash Flood Warning | JAN | Leflore | 3 hr |
| Dec 21, 7:30 PM CST | Severe Thunderstorm Warning | JAN | Madison | 45 min |
| Dec 21, 7:58 PM CST | Severe Thunderstorm Warning | JAN | Attala, Leake | 32 min |
| Dec 21, 8:36 PM CST | Severe Thunderstorm Warning | JAN | Winston | 69 min |
| Dec 22, 12:58 AM CST | Severe Thunderstorm Warning | JAN | Warren | 32 min |
| Dec 22, 2:49 AM CST | Flash Flood Warning | JAN | Warren | 116 min |
| Dec 22, 4:33 AM CST | Severe Thunderstorm Warning | JAN | Neshoba | 27 min |
| Dec 22, 5:02 AM CST | Severe Thunderstorm Warning | JAN | Winston | 28 min |
| Dec 22, 10:05 AM CST | Severe Thunderstorm Warning | JAN | Simpson | 25 min |
| Dec 22, 10:42 AM CST | Tornado Warning | JAN | Simpson, Smith | 48 min |
| Dec 22, 10:50 AM CST | Severe Thunderstorm Warning | JAN | Newton | 55 min |
| Dec 22, 10:57 AM CST | Severe Thunderstorm Warning | JAN | Newton | 63 min |
| Dec 22, 11:26 AM CST | Severe Thunderstorm Warning | JAN | Neshoba | 64 min |
| Dec 22, 12:23 PM CST | Tornado Warning | JAN | Marion, Walthall | 37 min |
| Dec 22, 12:28 PM CST | Severe Thunderstorm Warning | JAN | Newton | 62 min |
| Dec 22, 12:39 PM CST | Tornado Warning | JAN | Lamar | 51 min |
| Dec 22, 12:57 PM CST | Tornado Warning | JAN | Forrest | 33 min |
| Dec 22, 1:25 PM CST | Severe Thunderstorm Warning | JAN | Lauderdale | 35 min |
| Dec 22, 1:28 PM CST | Tornado Warning | JAN | Forrest | 17 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; the sounding from the Mesonet's radiosonde archive.