Alert archive / Arkansas / Tornado Warnings in 2000

Tornado Warning 21, NWS Memphis, TN

May 9, 2000Clay County, Greene County, Arkansas

NWS Memphis, TN issued this tornado warning at May 9, 2000, 4:16 PM CDT for Clay County, Greene County, Arkansas. It was in force for 29 min. 1 report 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: May 9, 2000, 4:16 PM CDT (21:16 UTC)
Expired: May 9, 2000, 4:45 PM CDT
In force: 29 min
Issued by: NWS Memphis, TN
Area: Whole counties

Counties Clay County, AR, Greene County, AR

The radar

The Memphis radar (KNQA), 114 km from the middle of the area, began a volume at 21:17 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
May 9, 4:16 PM CDT	Thunderstorm Wind	Rector, AR	Several 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 nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 9.3 hours before the alert went out and 164 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: 122 J/kg
Mixed-layer CIN: -548 J/kg
Mixed-layer LCL: 1018 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 26 m²/s²
0-3 km storm-relative helicity: -5 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KMEG 092117
TORMEM
ARC021-055-092145-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
416 PM CDT TUE MAY 9 2000

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN CLAY COUNTY IN NORTHEAST ARKANSAS
  EASTERN GREENE COUNTY IN NORTHEAST ARKANSAS

* UNTIL 445 PM CDT

* AT 411 PM CDT...THE PUBLIC REPORTED A TORNADO OVER MARMADUKE...
  MOVING NORTHEAST AT 35 MPH.

* CITIES IN THE PATH OF THIS TORNADO THROUGH 445 PM CDT INCLUDE...
  RECTOR
  GREENWAY...PIGGOTT
  NIMMONS

.A TORNADO HAS BEEN CONFIRMED. DO NOT RUN OUTSIDE TO FIND THE 
TORNADO...TAKE COVER IN A STURDY BUILDING NOW!

LAT...LON 3623 9050 3b609 9035 3628 9006 3650 9018

The office that day

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

Issued	Product	Office	Counties	Lasted
May 9, 3:22 PM CDT	Severe Thunderstorm Warning	MEG	Lawrence	23 min
May 9, 3:46 PM CDT	Tornado Warning	MEG	Greene	29 min
May 9, 3:55 PM CDT	Severe Thunderstorm Warning	MEG	Craighead	35 min
May 9, 4:12 PM CDT	Tornado Warning	MEG	Craighead	33 min
May 9, 4:44 PM CDT	Tornado Warning	MEG	Mississippi	46 min

Nearby

Tornado Warnings in Arkansas, 2000 Every tornado warning in 2000 Tornadoes in 2000

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.