Alert archive / Mississippi / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 152, NWS Jackson, MS

April 8, 1998Newton County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Apr 8, 1998, 8:51 PM CDT for Newton County, Mississippi. It was in force for 39 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: Apr 8, 1998, 8:51 PM CDT (01:51 UTC)
Expired: Apr 8, 1998, 9:30 PM CDT
In force: 39 min
Issued by: NWS Jackson, MS
Area: Whole counties

County Newton County, MS

What was reported inside it

Time	Report	Where	Remark
Apr 8, 9:15 PM CDT	Hail 0.75	Union, 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 8, 7:30 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 1.9 hours before the alert went out and 91 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: 2202 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 1092 m above ground
0-6 km bulk shear: 65 kt
0-1 km storm-relative helicity: 74 m²/s²
0-3 km storm-relative helicity: 136 m²/s²
Significant tornado parameter: 1.4
Supercell composite: 5.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KJAN 090150 RRA
SVRJAN
MSC101-090230-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
851 PM CDT WED APR 8 1998
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  930 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN EAST CENTRAL MISSISSIPPI
 
   ...NORTHERN NEWTON COUNTY
 
AT 849 PM DOPLER RADAR INDICATED A SEVERE THUNDERSTORM JUST EAST OF
UNION...MOVING EAST-NORTHEAST AT 40 MPH. THIS STORM SHOULD PASS NORTH OF
LITTLE ROCK AND PASS INTO NESHOBA COUNTY BY 905 PM.
 
A TORNADO WATCH IS ALSO IN EFFECT.  REMEMBER SEVERE THUNDERSTORMS
CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING.  REMAIN
CALM BpUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS.
<
 
74

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 8, 7:09 PM CDT	Tornado Warning	JAN	Hinds, Rankin	51 min
Apr 8, 7:24 PM CDT	Severe Thunderstorm Warning	JAN	Leake	66 min
Apr 8, 7:31 PM CDT	Severe Thunderstorm Warning	JAN	Copiah	44 min
Apr 8, 7:45 PM CDT	Severe Thunderstorm Warning	JAN	Oktibbeha	45 min
Apr 8, 7:49 PM CDT	Tornado Warning	JAN	Scott	41 min
Apr 8, 8:00 PM CDT	Severe Thunderstorm Warning	JAN	Rankin	45 min
Apr 8, 8:16 PM CDT	Severe Thunderstorm Warning	JAN	Winston	44 min
Apr 8, 8:44 PM CDT	Severe Thunderstorm Warning	JAN	Neshoba	46 min
Apr 8, 9:02 PM CDT	Severe Thunderstorm Warning	JAN	Kemper	43 min
Apr 8, 9:27 PM CDT	Severe Thunderstorm Warning	JAN	Lauderdale	48 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 1998 Every severe thunderstorm warning in 1998

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.