Alert archive / Arkansas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 355, NWS Memphis, TN

July 29, 1998Crittenden County, Arkansas

NWS Memphis, TN issued this severe thunderstorm warning at Jul 29, 1998, 5:37 AM CDT for Crittenden County, Arkansas. It was in force for 48 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
Jul 29, 1998, 5:37 AM CDT (10:37 UTC)
Expired
Jul 29, 1998, 6:25 AM CDT
In force
48 min
Issued by
NWS Memphis, TN
Area
Whole counties

County Crittenden County, AR

What was reported inside it

TimeReportWhereRemark
Jul 29, 5:50 AM CDTThunderstorm WindWest Memphis, ARSeveral trees were knocked 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 00:00Z, 10.6 hours before the alert went out and 53 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, Little Rock, AR at 00:00Z on 1998-07-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 532 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, Little Rock, AR at 00:00Z on 1998-07-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 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
532 J/kg
Mixed-layer CIN
-139 J/kg
Mixed-layer LCL
1738 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
62 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

217 
WUUS1 KMEM 291035 RRA
SVRMEM
ARC035-291125-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
537 AM CDT WED JUL 29 1998


THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CRITTENDEN COUNTY IN NORTHEASTERN ARKANSAS

* UNTIL 625 AM CDT

* AT 535 AM CDT... DOPPLER RADAR INDICATED A SEVERE
  THUNDERSTORM 5 MILES NORTH OF EARL MOVING SOUTHEAST AT 30 MPH.

* THE STORM IS EXPECTED TO BE NEAR...
  CRAWFORDSVILLE BY 545 AM
  WEST MEMPHIS BY 600 AM

WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING. DO NOT STAND BY WINDOWS. DO NOT USE TELEPHONES OR
ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS
PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.

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, Jul 29, 4:50 AM CDT, 47 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEMPHIS TENNESSEE
450 AM CDT THU JUL 29 1998

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

0315 AM    KENNTT                    MO   FLOODING
07/29/98   DUNKLIN                        ALL STREETS IN KENNETT FLOODED
                                          HIGHWAY Y SUBMERGED PAST
                                          COUNTY ROAD 522

0315 AM    CARUTHERSVILLE            MO   TONADO
07/29/98   PEMISCOTT                      THREE RIVERBOAT CAPTAINS
                                          SIGHTED A TORNADO TWO MILES
                                          SOUTH OF THE MISSISSIPPI RIVER
                                          BRIDGE NEAR CARUTHERSVILLE
                                          MOVING EAST

0425 AM    CARUTHERSVILLE            MO   FLOODING
07/29/98   PEMISCOTT                      SEVERAL BUISINESSES FLOODED
                                          WITH 6 INCHES OF WATER.

0425 AM    CARUTHERSVILLE            MO   FLOODING
07/29/98   PEMISCOTT                      SMALL STREAMS FLOODING
                                          SECONDARY ROADS.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 29, 8:49 AM CDTSevere Thunderstorm WarningMEGMississippi36 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.