Alert archive / Arkansas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 433, NWS Jackson, MS

July 1, 1998Chicot County, Arkansas

NWS Jackson, MS issued this severe thunderstorm warning at Jul 1, 1998, 3:32 PM CDT for Chicot County, Arkansas. It was in force for 33 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 1, 1998, 3:32 PM CDT (20:32 UTC)
Expired
Jul 1, 1998, 4:05 PM CDT
In force
33 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Chicot County, AR

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 8.5 hours before the alert went out and 155 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-pSkew-T log-p diagram, Jackson, MS at 12:00Z on 1998-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2507 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jackson, MS at 12:00Z on 1998-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -17 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
2507 J/kg
Mixed-layer CIN
-44 J/kg
Mixed-layer LCL
759 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
-17 m²/s²
0-3 km storm-relative helicity
3 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.

991 
WUUS1 KJAN 012031
SVRJAN
ARC017-012105-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
332 PM CDT WED JUL 1 1998

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CHICOT COUNTY IN SOUTHEASTERN ARKANSAS

* UNTIL 405 PM CDT

* AT 331 PM CDT... RADAR INDICATED A SEVERE THUNDERSTORM 9 MILES
  NORTH OF EUDORA OR 5 MILES SOUTH OF LAKE VILAGE MOVING SOUTH AT 5
  MPH.

* THIS STORM WILL MAINLY AFFECT SMALLER COMMUNITIES AND RURAL AREAS.

DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY
BUILDING AND STAY AWAY FROM WINDOWS

68

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

Special weather statement, Jul 1, 10:00 AM CDT, 5 hours 32 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>029-032>066-
072>074-020400-

AREA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
1000 AM CDT WED JUL 01 1998

A STATIONARY FRONTAL BOUNDARY OVER SOUTHERN ARKANSAS...NORTH CENTRAL
MISSISSIPPI AND NORTHERN GEORGIA WILL REMAIN OVER THE REGION THROUGH
THURSDAY. THE FRONTAL SYSTEM WILL PROVIDE A FOCUS MECHANISM AND
COUPLED WITH DAYTIME SURFACE HEATING AND A MOISTURE RICH AIRMASS IN
PLACE...WIDELY SCATTERED TO SCATTERED THUNDERSTORMS ARE EXPECTED OVER
THE AREA DURING THE AFTERNOON AND EVENING HOURS...ESPECIALLY CENTRAL
AND SOUTH.

THUNDERSTORMS ARE NOT EXPECTED TO BECOME SEVERE...BUT LOCALLY HEAVY
DOWNPOURS AND BRIEF GUSTY WINDS ARE LIKELY WHERE THUNDERSTORMS OCCUR.

ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND EMERGENCY
MANAGEMENT PERSONNEL WILL NOT BE REQUIRED THROUGH TONIGHT.

FOR MORE WEATHER INFORMATION PLEASE VISIT OUR INTERNET WEB SITE AT:
HTTP://WWW.JANNWS.STATE.MS.US    /IN LOWER CASE LETTERS/
Special weather statement, Jul 1, 10:00 AM CDT, 5 hours 32 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>029-032>066-
072>074-020400-

AREA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
1000 AM CDT WED JUL 01 1998

A STATIONARY FRONTAL BOUNDARY OVER SOUTHERN ARKANSAS...NORTH CENTRAL
MISSISSIPPI AND NORTHERN GEORGIA WILL REMAIN OVER THE REGION THROUGH
THURSDAY. THE FRONTAL SYSTEM WILL PROVIDE A FOCUS MECHANISM AND
COUPLED WITH DAYTIME SURFACE HEATING AND A MOISTURE RICH AIRMASS IN
PLACE...WIDELY SCATTERED TO SCATTERED THUNDERSTORMS ARE EXPECTED OVER
THE AREA DURING THE AFTERNOON AND EVENING HOURS...ESPECIALLY CENTRAL
AND SOUTH.

THUNDERSTORMS ARE NOT EXPECTED TO BECOME SEVERE...BUT LOCALLY HEAVY
DOWNPOURS AND BRIEF GUSTY WINDS ARE LIKELY WHERE THUNDERSTORMS OCCUR.

ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND EMERGENCY
MANAGEMENT PERSONNEL WILL NOT BE REQUIRED THROUGH TONIGHT.

FOR MORE WEATHER INFORMATION PLEASE VISIT OUR INTERNET WEB SITE AT:
HTTP://WWW.JANNWS.STATE.MS.US    /IN LOWER CASE LETTERS/
Local storm report, Jul 1, 2:54 PM CDT, 38 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
254 PM CDT WED JUL 01 1998

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....PARISH/COUNTY LOCATION....

0225 PM    2 NE PETAL                MS   .88 INCH HAIL
07/01/98   FORREST                        REPORTED BY EOC

0246 PM    BASSFIELD                 MS   1 INCH HAIL
07/01/98   JEFFERSON DAVIS                REPORTED BY POLICE DEPT

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 1, 2:40 PM CDTSevere Thunderstorm WarningJANAshley35 min
Jul 1, 3:00 PM CDTSevere Thunderstorm WarningJANChicot35 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 1998Every 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; the sounding from the Mesonet's radiosonde archive.