Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 376, NWS Jackson, MS

June 23, 1997Webster County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Jun 23, 1997, 5:11 PM CDT for Webster County, Mississippi. It was in force for 49 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 23, 1997, 5:11 PM CDT (22:11 UTC)
Expired: Jun 23, 1997, 6:00 PM CDT
In force: 49 min
Issued by: NWS Jackson, MS
Area: Whole counties

County Webster County, MS

What was reported inside it

Time	Report	Where	Remark
Jun 23, 5:30 PM CDT	Thunderstorm Wind	Bellefontaine, MS	A few 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

Little Rock, AR (KLZK), launched 12:00Z, 10.2 hours before the alert went out and 148 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: 1150 J/kg
Mixed-layer CIN: -44 J/kg
Mixed-layer LCL: 1076 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: -7 m²/s²
0-3 km storm-relative helicity: 4 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 232211 RRA
SVRJAN
MSC155-232300-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
511 PM CDT MON JUN 23 1997
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  600 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTH CENTRAL MISSISSIPPI
 
   ...WEBSTER COUNTY
 
AT 510 PM WEATHER SERVICE RADAR SHOWED A POSSIBLE SEVERE THUNDERSTORM
NEAR BELLEFONTAINE...AND ANOTHER ONE FURTHER NORTH ALONG THE COUNTY
BORDER.  BOTH STORMS WERE MOVING SLOWLY WESTWARD AT 15 MPH.  BOTH
STORMS ARE CAPABLE OF PRODUCING DAMAGING WINDS AND VERY HEAVY RAIN.
PERSONS IN THE BELLEFONTAINE AREA SHOULD SEEK SAFE SHELTER.
 
 
PEOPLE NEAR THE STORM SHOULD MOVE INSIDE A STRONG BUILDING AWAY
FROM WINDOWS.  DON'T USE TELEPHONES OR ELECTRICAL APPLIANCES UNTIL
THE STORM HAS PASSED.  MOTORISTS DON'T DRIVE INTO WATER CROSSINGS.
<
 
 
63

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 23, 1:11 PM CDT	Severe Thunderstorm Warning	JAN	Clarke	49 min
Jun 23, 2:06 PM CDT	Severe Thunderstorm Warning	JAN	Jasper	54 min
Jun 23, 2:30 PM CDT	Flash Flood Warning	JAN	Jasper	2 hr
Jun 23, 2:47 PM CDT	Severe Thunderstorm Warning	JAN	Covington, Smith	43 min
Jun 23, 2:58 PM CDT	Severe Thunderstorm Warning	JAN	Kemper	62 min
Jun 23, 3:05 PM CDT	Severe Thunderstorm Warning	JAN	Simpson	40 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 1997 Every severe thunderstorm warning 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.