Alert archive / Mississippi / Tornado Warnings in 1997

Tornado Warning 64, NWS Jackson, MS

June 20, 1997Clarke County, Mississippi

NWS Jackson, MS issued this tornado warning at Jun 20, 1997, 7:15 PM CDT for Clarke County, Mississippi. It was in force for 45 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: Jun 20, 1997, 7:15 PM CDT (00:15 UTC)
Expired: Jun 20, 1997, 8:00 PM CDT
In force: 45 min
Issued by: NWS Jackson, MS
Area: Whole counties

County Clarke County, MS

What was reported inside it

Time	Report	Where	Remark
Jun 20, 7:15 PM CDT	Thunderstorm Wind	Stonewall, MS	Numerous trees were blown down.

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.

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 0.3 hours before the alert went out and 135 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: 2015 J/kg
Mixed-layer CIN: -9 J/kg
Mixed-layer LCL: 1512 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 2 m²/s²
0-3 km storm-relative helicity: 34 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 210017 RRA
TORJAN
MSC023-210100-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
715 PM CDT FRI JUN 20 1997
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  800 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN EAST CENTRAL MISSISSIPPI
 
   ...NORTHERN CLARKE COUNTY
 
AT 715 PM RADAR INDICATED A POSSIBLE TORNADO 3 MILES SOUTHEAST OF
STONEWALL MOVING SLOWLY EAST-NORTHEAST. THE STOfRM WILL CROSS HIGWAY 45
NEAR CLARKCO STATE PARK BY 730.
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS IN AN
INTERIOR ROOM ON THE LOWEST FLOOR.  GET UNDER STURDY FURNITURE.
USE PILLOWS OR CUSHIONS TO COVER YOUR HEAD.
<
 
 
68

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 20, 7:03 PM CDT	Severe Thunderstorm Warning	JAN	Lauderdale	57 min
Jun 20, 8:01 PM CDT	Severe Thunderstorm Warning	JAN	Noxubee	44 min
Jun 20, 8:09 PM CDT	Severe Thunderstorm Warning	JAN	Kemper	51 min
Jun 20, 8:23 PM CDT	Severe Thunderstorm Warning	JAN	Lauderdale	52 min
Jun 20, 9:07 PM CDT	Flash Flood Warning	JAN	Kemper, Lauderdale	3 hr
Jun 20, 9:52 PM CDT	Severe Thunderstorm Warning	JAN	Oktibbeha	53 min
Jun 20, 10:17 PM CDT	Severe Thunderstorm Warning	JAN	Choctaw	28 min
Jun 20, 10:42 PM CDT	Severe Thunderstorm Warning	JAN	Choctaw, Oktibbeha	48 min
Jun 20, 11:37 PM CDT	Flash Flood Warning	JAN	Choctaw, Oktibbeha, Winston	2 hr
Jun 21, 1:45 AM CDT	Flash Flood Warning	JAN	Choctaw	3 hr
Jun 21, 6:16 PM CDT	Severe Thunderstorm Warning	JAN	Kemper	44 min

Nearby

Tornado Warnings in Mississippi, 1997 Every tornado warning in 1997 Tornadoes in 1997

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.