Alert archive / Missouri / Tornado Warnings in 2002

Tornado Warning 8, NWS Memphis, TN

April 28, 2002Pemiscot County, Missouri

NWS Memphis, TN issued this tornado warning at Apr 28, 2002, 2:07 AM CDT for Pemiscot County, Missouri. It was in force for 23 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, 2:07 AM CDT (07:07 UTC)
Expired: Apr 28, 2002, 2:30 AM CDT
In force: 23 min
Issued by: NWS Memphis, TN
Area: Counties, with a storm outline in the text

County Pemiscot County, MO

The radar

The Memphis radar (KNQA), 113 km from the middle of the area, began a volume at 07:09 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, 2:15 AM CDT	Thunderstorm Wind	Wardell, MO	Some trees and power lines 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 28, 2:00 AM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 7.1 hours before the alert went out and 171 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.

708 
WFUS54 KMEG 280707
TORMEM
MOC155-280730-

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

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* TORNADO WARNING FOR...
  PEMISCOT COUNTY IN SOUTHEAST MISSOURI

* UNTIL 230 AM CDT.

* AT 203 AM CDT...WEATHER RADAR INDICATED A DEVELOPING TORNADO 11
  MILES WEST OF HOMESTOWN...MOVING EAST AT 50 MPH.

* CITIES IN THE PATH OF THIS TORNADO THROUGH 230 AM CDT INCLUDE...
  PEACH ORCHARD...NORTH WARDELL...WARDELL...

.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 3640 8996 3631 8997 3629 8973 3642 8976

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 28, 1:46 AM CDT	Tornado Warning	MEG	Dunklin	29 min
Apr 28, 3:05 AM CDT	Severe Thunderstorm Warning	MEG	Pemiscot	40 min

Nearby

Tornado Warnings in Missouri, 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.