Alert archive / Mississippi / Tornado Warnings in 1990

Tornado Warning 21, NWS Jackson, MS

February 15, 1990Jasper County, Mississippi

NWS Jackson, MS issued this tornado warning at Feb 15, 1990, 2:26 PM CST for Jasper County, Mississippi. It was in force for 49 min.

The area

The counties it named.

The facts

Issued: Feb 15, 1990, 2:26 PM CST (20:26 UTC)
Expired: Feb 15, 1990, 3:15 PM CST
In force: 49 min
Issued by: NWS Jackson, MS
Area: Whole counties

County Jasper 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, 8.4 hours before the alert went out and 96 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1189 J/kg
Mixed-layer CIN: -9 J/kg
Mixed-layer LCL: 728 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 157 m²/s²
0-3 km storm-relative helicity: 178 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KMEI 152028
TORMEI
MSC061-152115-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MERIDIAN MS
226 PM CST THU FEB 15 1990
 
THE NATIONAL WEATHER SERVICE IN MERIDIAN HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  315 PM CST
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN EAST CENTRAL MISSISSIPPI
          ...JASPER
 
AT 225 PM CST RADAR INDICATED A POSSIBLE TORNADO 8 MILES NORTH OF BAY
SPRINGS MISSISSIPPI MOVING NORTHEAST AT 30 MPH.
 
IF YOU LIVE IN A HOME OR APARTMENT...SEEK SHELTER IN THE
INNERMOST PORTION OF THE BUILDING ON THE LOWEST FLOOR.  GET TO
A BASEMENT IF ONE IS AVAILABLE.  AVOID WINDOWS AND PROTECT YOUR
BODY FROM FLYING DEBRIS WITH CUSHIONS...BLANKETS...OR PILLOWS.

The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 15, 9:27 AM CST	Severe Thunderstorm Warning	JAN	Neshoba	33 min
Feb 15, 10:11 AM CST	Severe Thunderstorm Warning	JAN	Newton	34 min
Feb 15, 10:25 AM CST	Severe Thunderstorm Warning	JAN	Jasper	35 min
Feb 15, 10:28 AM CST	Severe Thunderstorm Warning	JAN	Lauderdale	47 min
Feb 15, 10:42 AM CST	Severe Thunderstorm Warning	JAN	Kemper	33 min
Feb 15, 10:42 AM CST	Severe Thunderstorm Warning	JAN	Hinds, Warren	48 min
Feb 15, 11:03 AM CST	Severe Thunderstorm Warning	JAN	Jasper	27 min
Feb 15, 11:15 AM CST	Severe Thunderstorm Warning	JAN	Clarke, Lauderdale	60 min
Feb 15, 12:21 PM CST	Flash Flood Warning	JAN	Lauderdale	2 hr
Feb 15, 12:27 PM CST	Severe Thunderstorm Warning	JAN	Jasper	33 min
Feb 15, 12:40 PM CST	Severe Thunderstorm Warning	JAN	Newton	35 min
Feb 15, 12:45 PM CST	Severe Thunderstorm Warning	JAN	Simpson, Smith	45 min
Feb 15, 12:52 PM CST	Tornado Warning	JAN	Lauderdale	38 min
Feb 15, 12:55 PM CST	Tornado Warning	JAN	Amite	50 min
Feb 15, 12:59 PM CST	Tornado Warning	JAN	Simpson, Smith	31 min
Feb 15, 1:11 PM CST	Tornado Warning	JAN	Jefferson Davis	34 min
Feb 15, 1:21 PM CST	Tornado Warning	JAN	Scott	24 min
Feb 15, 1:24 PM CST	Tornado Warning	JAN	Jasper, Newton	51 min
Feb 15, 1:28 PM CST	Tornado Warning	JAN	Lauderdale	32 min
Feb 15, 1:33 PM CST	Tornado Warning	JAN	Covington, Smith	27 min
Feb 15, 1:42 PM CST	Tornado Warning	JAN	Kemper	48 min
Feb 15, 1:47 PM CST	Tornado Warning	JAN	Pike	18 min
Feb 15, 1:59 PM CST	Tornado Warning	JAN	Smith	31 min
Feb 15, 2:01 PM CST	Tornado Warning	JAN	Lauderdale	44 min
Feb 15, 2:05 PM CST	Tornado Warning	JAN	Lawrence, Lincoln	25 min
Feb 15, 2:37 PM CST	Severe Thunderstorm Warning	JAN	Smith	38 min
Feb 15, 2:37 PM CST	Severe Thunderstorm Warning	JAN	Covington	23 min
Feb 15, 2:45 PM CST	Flash Flood Warning	JAN	Smith	3 hr
Feb 15, 2:45 PM CST	Flash Flood Warning	JAN	Covington, Jefferson Davis, Lawrence, Simpson	3 hr
Feb 15, 2:49 PM CST	Flash Flood Warning	JAN	Lauderdale	6 hr
Feb 15, 2:51 PM CST	Tornado Warning	JAN	Lauderdale	54 min
Feb 15, 3:41 PM CST	Tornado Warning	JAN	Jasper	49 min
Feb 15, 3:59 PM CST	Severe Thunderstorm Warning	JAN	Lauderdale	46 min
Feb 15, 4:16 PM CST	Severe Thunderstorm Warning	JAN	Adams, Jefferson	29 min
Feb 15, 4:29 PM CST	Severe Thunderstorm Warning	JAN	Bolivar	31 min
Feb 15, 4:51 PM CST	Severe Thunderstorm Warning	JAN	Hinds	39 min
Feb 15, 5:03 PM CST	Flash Flood Warning	JAN	Jasper	6 hr
Feb 15, 5:48 PM CST	Severe Thunderstorm Warning	JAN	Washington	27 min

Nearby

Tornado Warnings in Mississippi, 1990 Every tornado warning in 1990 Tornadoes 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.