Alert archive / Tennessee / Tornado Warnings in 2002

Tornado Warning 4, NWS Memphis, TN

April 24, 2002Dyer County, Tennessee

NWS Memphis, TN issued this tornado warning at Apr 24, 2002, 8:16 PM CDT for Dyer County, Tennessee. It was in force for 29 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Apr 24, 2002, 8:16 PM CDT (01:16 UTC)
Expired: Apr 24, 2002, 8:45 PM CDT
In force: 29 min
Issued by: NWS Memphis, TN
Area: Counties, with a storm outline in the text

County Dyer County, TN

The radar

The Memphis radar (KNQA), 102 km from the middle of the area, began a volume at 01:19 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

Time	Report	Where	Remark
Apr 24, 8:34 PM CDT	Thunderstorm Wind	Millsfield, TN	A few trees were blown 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 24, 7:45 PM CDT	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 1.3 hours before the alert went out and 158 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: 1586 J/kg
Mixed-layer CIN: -50 J/kg
Mixed-layer LCL: 1113 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 78 m²/s²
0-3 km storm-relative helicity: 110 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 4.5

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KMEG 250116
TORMEM
TNC045-250145-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
816 PM CDT WED APR 24 2002

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* TORNADO WARNING FOR...
  DYER COUNTY IN NORTHWEST TENNESSEE

* UNTIL 845 PM CDT.

* AT 813 PM CDT...WEATHER RADAR INDICATED A TORNADO 2 MILES 
NORTHWEST OF MILLSFIELD...MOVING SOUTHEAST AT 35 MPH.

* CITIES IN THE PATH OF THIS TORNADO THROUGH 845 PM CDT INCLUDE...
  NEWBERN...
  ROELLEN...

.IF YOU ARE NEAR THE PATH OF THIS TORNADO...TAKE COVER IN AN INTERIOR
ROOM ON THE LOWEST FLOOR. PROTECT YOUR BODY FROM FLYING DEBRIS.

.STAY TUNED TO THIS NATIONAL WEATHER SERVICE BROADCAST FOR THE LATEST
UPDATES AND INFORMATION.

LAT...LON 3629 8946 3614 8956 3594 8912 3614 8915

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 24, 7:13 PM CDT	Severe Thunderstorm Warning	MEG	Obion	32 min
Apr 24, 7:48 PM CDT	Tornado Warning	MEG	Dyer, Lake	27 min
Apr 24, 8:31 PM CDT	Severe Thunderstorm Warning	MEG	Carroll	29 min
Apr 24, 8:38 PM CDT	Severe Thunderstorm Warning	MEG	Crockett, Gibson, Madison	37 min
Apr 24, 8:42 PM CDT	Severe Thunderstorm Warning	MEG	Crockett, Gibson, Madison	33 min
Apr 24, 8:49 PM CDT	Severe Thunderstorm Warning	MEG	Shelby	56 min
Apr 24, 8:57 PM CDT	Severe Thunderstorm Warning	MEG	Shelby	48 min
Apr 24, 9:11 PM CDT	Severe Thunderstorm Warning	MEG	Carroll, Haywood, Henderson, Madison	49 min
Apr 24, 9:36 PM CDT	Severe Thunderstorm Warning	MEG	Chester, Decatur	39 min
Apr 24, 9:55 PM CDT	Severe Thunderstorm Warning	MEG	Hardin, McNairy	65 min

Nearby

Tornado Warnings in Tennessee, 2002 Every tornado warning in 2002 Tornadoes in 2002

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; radar from the NEXRAD Level II archive.