Alert archive / Mississippi / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 73, NWS Memphis, TN

April 8, 1998Calhoun County, Chickasaw County, Mississippi

NWS Memphis, TN issued this severe thunderstorm warning at Apr 8, 1998, 7:08 PM CDT for Calhoun County, Chickasaw County, Mississippi. It was in force for 32 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, 7:08 PM CDT (00:08 UTC)
Expired: Apr 8, 1998, 7:40 PM CDT
In force: 32 min
Issued by: NWS Memphis, TN
Area: Whole counties

Counties Calhoun County, MS, Chickasaw County, MS

What was reported inside it

Time	Report	Where	Remark
Apr 8, 7:20 PM CDT	Thunderstorm Wind	Houston, MS	A few trees and some power lines 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 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, 2:00 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 0.1 hours before the alert went out and 125 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: 2387 m above ground
0-6 km bulk shear: 89 kt
0-1 km storm-relative helicity: -71 m²/s²
0-3 km storm-relative helicity: -70 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 KMEM 090008 RRA
SVRMEM
MSC013-017-090040-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
708 PM CDT WED APR 8 1998

THE NATIONAL WEATHER SERVICE IN MEMPHIS TN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 740 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...

IN NORTHEASTERN MISSISSIPPI

   ...EASTERN CALHOUN COUNTY
   ...CHICKASAW COUNTY

AT 658 PM WEATHER RADAR LOCATED A SEVERE THUNDERSTORM OVER THE EAST
PART OF CALHOUN COUNTY.  ELONGATED NORTH-SOUTH .. THE STORM EXTENDED
FROM JUST EAST OF SLATE SPRINGS NORTHWARD TO THE NORTHEAST CORNER OF
THE COUNTY.  MOVING NORTHEAST AT 45 MPH .. THE STORM WILL MOVE INTO
MUCH OF CHICKASAW COUNTY AND BRING DAMAGING WIND AND POSSIBLE HAIL
TO HOULKA PYLAND WOODLAND AND HOUSTON BETWEEN 715 PM AND 730 PM.

.A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER...
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH
LITTLE OR NO> ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO RAPIDLY
CHANGING WEATHER CONDITIONS.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, Apr 8, 6:16 PM CDT, 52 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEMPHIS TENNESSEE
615 PM CST WED APR 08 1998

TIME(CST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0512 PM    COLLINSTOWN               MS   1.75 INCH HAIL
04/08/98   ALCORN                         GOLFBALL SIZE HAIL
                                          REPORTED BY ALCORN COUNTY
                                          911

0515 PM    CARDWELL                  MO   1.75 INCH HAIL
04/08/98   DUNKLIN                        GOLFBALL SIZE HAIL
                                          REPORTED BY KENNETT POLICE
                                          DEPT

0517 PM    SAVANNAH                  TN   .75 INCH HAIL
04/08/98   HARDIN                         DIME SIZE HAIL REPORTED BY
                                          SAVANNAH POLICE DEPT
>
0540 PM    WYNNE                     AR   1.75 INCH HAIL
04/08/98   CROSS                          GOLFBALL SIZE HAIL
                                          REPORTED BY HAM RADIO
                                          SPOTTER

0545 PM    COLT                      AR   1.75 INCH HAIL
04/08/98   ST FRANCIS                     pGOLFBALL SIZE HAIL
                                          REPORTED BY ST FRANCIS
                                          COUNTY SHERIFF

The office that day

Everything else NWS Memphis, TN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 8, 7:01 PM CDT	Severe Thunderstorm Warning	MEG	Tunica	34 min
Apr 8, 7:09 PM CDT	Severe Thunderstorm Warning	MEG	DeSoto	51 min
Apr 8, 7:10 PM CDT	Tornado Warning	MEG	Tishomingo	35 min
Apr 8, 7:58 PM CDT	Severe Thunderstorm Warning	MEG	Clay	32 min
Apr 8, 8:13 PM CDT	Severe Thunderstorm Warning	MEG	Lowndes	32 min
Apr 8, 8:19 PM CDT	Tornado Warning	MEG	Lowndes	31 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.