Alert archive / Tennessee / Tornado Warnings in 2002

Tornado Warning 12, NWS Memphis, TN

April 28, 2002Dyer County, Tennessee

NWS Memphis, TN issued this tornado warning at Apr 28, 2002, 3:23 AM CDT for Dyer County, Tennessee. It was in force for 52 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 28, 2002, 3:23 AM CDT (08:23 UTC)
Expired: Apr 28, 2002, 4:15 AM CDT
In force: 52 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), 88 km from the middle of the area, began a volume at 08:27 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 28, 3:45 AM CDT	Thunderstorm Wind	Bradleytown, TN	A shed was blown away. Some 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 watch it was issued in

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

Issued	Product	Office	Lasted
Apr 28, 2:00 AM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 8.4 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-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: 1817 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 653 m above ground
0-6 km bulk shear: 65 kt
0-1 km storm-relative helicity: 480 m²/s²
0-3 km storm-relative helicity: 529 m²/s²
Significant tornado parameter: 6.4
Supercell composite: 25.1

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KMEG 280823
TORMEM
TNC045-280915-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
323 AM CDT SUN APR 28 2002

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

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

* UNTIL 415 AM CDT.

* AT 321 AM CDT...WEATHER RADAR INDICATED A DEVELOPING TORNADO OVER
  HELOISE...MOVING EAST AT 65 MPH.

* CITIES IN THE PATH OF THIS TORNADO THROUGH 415 AM CDT INCLUDE...
  DYERSBURG...BRADLEYTOWN...
  ROELLEN...NEWBERN...

.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 3615 8973 3598 8974 3597 8921 3617 8917

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 28, 2:31 AM CDT	Tornado Warning	MEG	Lake	29 min
Apr 28, 2:42 AM CDT	Tornado Warning	MEG	Obion	33 min
Apr 28, 3:14 AM CDT	Tornado Warning	MEG	Weakley	46 min
Apr 28, 3:34 AM CDT	Tornado Warning	MEG	Henry	41 min
Apr 28, 3:56 AM CDT	Tornado Warning	MEG	Gibson	49 min
Apr 28, 4:23 AM CDT	Tornado Warning	MEG	Carroll	47 min
Apr 28, 3:38 PM CDT	Severe Thunderstorm Warning	MEG	Decatur	37 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.