Alert archive / Tennessee / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 125, NWS Memphis, TN

June 29, 2007Crockett County, Gibson County, Tennessee

NWS Memphis, TN issued this severe thunderstorm warning at Jun 29, 2007, 4:54 PM CDT for Crockett County, Gibson County, Tennessee. It was in force for 17 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
Jun 29, 2007, 4:54 PM CDT (21:54 UTC)
Expired
Jun 29, 2007, 5:11 PM CDT
In force
17 min
Issued by
NWS Memphis, TN
Area
Counties, with a storm outline in the text

Counties Crockett County, TN, Gibson County, TN

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 9.9 hours before the alert went out and 145 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 12:00Z on 2007-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 371 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 12:00Z on 2007-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -31 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
371 J/kg
Mixed-layer CIN
-48 J/kg
Mixed-layer LCL
1097 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
-31 m²/s²
0-3 km storm-relative helicity
-25 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

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.

NWS Memphis, TN wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 29, 2:57 PM CDT, 1 hour 57 minutes earlier.

Area forecast discussion, Jun 29, 2:57 PM CDT, 1 hour 57 minutes before
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Hazardous weather outlook, Jun 29, 3:37 PM CDT, 1 hour 17 minutes before
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In the hours before

Special weather statement, Jun 29, 2:15 PM CDT, 2 hours 39 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
215 PM CDT FRI JUN 29 2007

ARZ028-292000-
MISSISSIPPI AR-
215 PM CDT FRI JUN 29 2007

THIS SIGNIFICANT WEATHER ALERT IS FOR...MISSISSIPPI COUNTY.

A STRONG THUNDERSTORM PRODUCING PEA TO DIME SIZE HAIL AND 45 TO 55
MPH WINDS WAS LOCATED 3 MILES SOUTHWEST OF JOINER AT 215 PM
CDT...MOVING NORTHEAST AT 20 MPH. THIS THUNDERSTORM WILL TRACK
NORTHEAST ALONG INTERSTATE 55.

PEOPLE IN MISSISSIPPI COUNTY SHOULD MONITOR THIS STORM CLOSELY. THIS
SIGNIFICANT WEATHER ALERT IS IN EFFECT UNTIL 300 PM CDT.
Special weather statement, Jun 29, 2:19 PM CDT, 2 hours 35 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
219 PM CDT FRI JUN 29 2007

ARZ026-292000-
CRAIGHEAD AR-
219 PM CDT FRI JUN 29 2007

THIS SIGNIFICANT WEATHER ALERT IS FOR...CRAIGHEAD COUNTY.

A STRONG THUNDERSTORM PRODUCING PEA TO DIME SIZE HAIL AND 40 TO 50
MPH WINDS WAS LOCATED 5 MILES EAST OF CASH AT 219 PM CDT...MOVING
NORTHEAST AT 30 MPH.

PEOPLE IN CRAIGHEAD COUNTY...INCLUDING THE CITIES OF BONO...BROOKLAND
AND JONESBORO...SHOULD MONITOR THIS STORM CLOSELY. THIS SIGNIFICANT
WEATHER ALERT IS IN EFFECT UNTIL 300 PM CDT.
Special weather statement, Jun 29, 2:57 PM CDT, 1 hour 57 minutes before
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Special weather statement, Jun 29, 3:33 PM CDT, 1 hour 21 minutes before
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Special weather statement, Jun 29, 4:20 PM CDT, 34 minutes before
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Special weather statement, Jun 29, 4:51 PM CDT, 3 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 1:09 PM CDTSevere Thunderstorm WarningMEGHenry33 min
Jun 29, 2:44 PM CDTSevere Thunderstorm WarningMEGCraighead31 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2007Every severe thunderstorm warning in 2007

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.