Alert archive / Arkansas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 357, NWS Memphis, TN

July 29, 1998Mississippi County, Arkansas

NWS Memphis, TN issued this severe thunderstorm warning at Jul 29, 1998, 8:49 AM CDT for Mississippi County, Arkansas. It was in force for 36 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 29, 1998, 8:49 AM CDT (13:49 UTC)
Expired
Jul 29, 1998, 9:25 AM CDT
In force
36 min
Issued by
NWS Memphis, TN
Area
Whole counties

County Mississippi County, AR

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 1.8 hours before the alert went out and 359 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, Springfield, MO at 12:00Z on 1998-07-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 66 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, Springfield, MO at 12:00Z on 1998-07-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 93 square meters per square second.193958Sfc1 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
66 J/kg
Mixed-layer CIN
-191 J/kg
Mixed-layer LCL
1055 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
93 m²/s²
0-3 km storm-relative helicity
18 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, 3 hours 59 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, 6:06 AM CDTSevere Thunderstorm WarningMEGShelby49 min
Jul 29, 5:37 AM CDTSevere Thunderstorm WarningMEGCrittenden48 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.