Alert archive / Tennessee / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 356, NWS Memphis, TN

July 29, 1998Shelby County, Tennessee

NWS Memphis, TN issued this severe thunderstorm warning at Jul 29, 1998, 6:06 AM CDT for Shelby County, Tennessee. It was in force for 49 min. 2 reports 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, 6:06 AM CDT (11:06 UTC)
Expired: Jul 29, 1998, 6:55 AM CDT
In force: 49 min
Issued by: NWS Memphis, TN
Area: Whole counties

County Shelby County, TN

What was reported inside it

Time	Report	Where	Remark
Jul 29, 6:15 AM CDT	Thunderstorm Wind	Memphis, TN	Several power lines and a transformer were blown down in the south part of Memphis.
Jul 29, 6:30 AM CDT	Thunderstorm Wind	Germantown, TN	Several power lines and a transformer 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, 11.1 hours before the alert went out and 40 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: 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

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, 1 hour 16 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.

Issued	Product	Office	Counties	Lasted
Jul 29, 5:37 AM CDT	Severe Thunderstorm Warning	MEG	Crittenden	48 min
Jul 29, 8:49 AM CDT	Severe Thunderstorm Warning	MEG	Mississippi	36 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 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.