Alert archive / Mississippi / Tornado Warnings in 1990

Tornado Warning 32, NWS Jackson, MS

April 27, 1990Rankin County, Scott County, Mississippi

NWS Jackson, MS issued this tornado warning at Apr 27, 1990, 2:46 PM CDT for Rankin County, Scott County, Mississippi. It was in force for 29 min. 3 reports 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, 2:46 PM CDT (19:46 UTC)
Expired: Apr 27, 1990, 3:15 PM CDT
In force: 29 min
Issued by: NWS Jackson, MS
Area: Whole counties

Counties Rankin County, MS, 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
Apr 27, 3:00 PM CDT	Thunderstorm Wind 0	Rankin, MS
Apr 27, 3:15 PM CDT	Tornado F0	Rankin, MS
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, 7.8 hours before the alert went out and 32 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: 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

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KJAN 271947
TORJAN
MSC121-123-272015-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
246 PM CDT FRI APR 27 1990
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  315 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL MISSISSIPPI
 
   ...NORTHERN RANKIN COUNTY...WESTERN SCOTT COUNTY
 
AT 245 PM CDT...A TORNADO WAS STILL INDICATED BY JACKSON RADAR OVER
EASTERN RANKIN COUNTY...EAST OF CROSS ROADS...NEAR THE RANKIN-SCOTT
COUNTY LINE. THIS STORM CONTINUED TO MOVE TO THE NORTH AT 25 MILES AN
HOUR.
 
THERE HAVE ALSO BEEN REPORTS OF A FUNNEL CLOUD IN THE PEARL AREA OF
WESTERN RANKIN COUNTY.  THIS STORM WAS ALSO MOVING TO THE NORTH TOWARD
THE ROSS BARNETT RESERVOIR.
 
 
 
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.
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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, 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, 3:18 PM CDT	Tornado Warning	JAN	Scott	32 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, 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.