Alert archive / Arkansas / Tornado Warnings in 2001

Tornado Warning 21, NWS Little Rock, AR

May 20, 2001Woodruff County, Arkansas

NWS Little Rock, AR issued this tornado warning at May 20, 2001, 1:10 PM CDT for Woodruff County, Arkansas. It was in force for 55 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: May 20, 2001, 1:10 PM CDT (18:10 UTC)
Expired: May 20, 2001, 2:05 PM CDT
In force: 55 min
Issued by: NWS Little Rock, AR
Area: Whole counties

County Woodruff County, AR

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 6.2 hours before the alert went out and 124 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: 106 J/kg
Mixed-layer CIN: -86 J/kg
Mixed-layer LCL: 1263 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 78 m²/s²
0-3 km storm-relative helicity: 92 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KLZK 201811
TORLIT

ARC147-201905-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LITTLE ROCK AR
110 PM CDT SUN MAY 20 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* TORNADO WARNING FOR...
  WOODRUFF COUNTY IN EASTERN ARKANSAS

* UNTIL 205 PM CDT

* AT 106 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 16 MILES SOUTHWEST OF AUGUSTA...OR ABOUT 10 MILES NORTH OF
  DES ARC...MOVING NORTHEAST AT 40 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  AUGUSTA AROUND 125 PM CDT
  PATTERSON AND MCCRORY AROUND 135 PM CDT

&&

A DOPPLER RADAR DETECTED TORNADO MEANS THERE IS A STRONG ROTATION
WITHIN A STORM. THE STORM MAY NOT BE PRODUCING A TORNADO AT THE
MOMENT...BUT IS EXPECTED TO DURING THE WARNING PERIOD. FOR YOUR
SAFETY...GO INDOORS NOW TO AN INTERIOR ROOM AWAY FROM WINDOWS.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE.

$$

46

The office that day

Everything else NWS Little Rock, AR issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 20, 9:10 AM CDT	Severe Thunderstorm Warning	LZK	Polk, Scott	65 min
May 20, 9:25 AM CDT	Severe Thunderstorm Warning	LZK	Logan	65 min
May 20, 10:04 AM CDT	Severe Thunderstorm Warning	LZK	Yell	56 min
May 20, 10:04 AM CDT	Severe Thunderstorm Warning	LZK	Johnson	56 min
May 20, 11:52 AM CDT	Severe Thunderstorm Warning	LZK	Faulkner	33 min
May 20, 12:03 PM CDT	Severe Thunderstorm Warning	LZK	Cleburne, White	57 min
May 20, 12:08 PM CDT	Tornado Warning	LZK	Cleburne, White	42 min
May 20, 12:23 PM CDT	Severe Thunderstorm Warning	LZK	Pulaski	37 min
May 20, 12:29 PM CDT	Tornado Warning	LZK	Independence	46 min
May 20, 12:46 PM CDT	Tornado Warning	LZK	White	39 min
May 20, 1:05 PM CDT	Tornado Warning	LZK	Jackson	40 min
May 20, 1:16 PM CDT	Severe Thunderstorm Warning	LZK	Prairie	44 min
May 20, 5:30 PM CDT	Severe Thunderstorm Warning	LZK	Pope	30 min
May 20, 5:50 PM CDT	Tornado Warning	LZK	Conway, Pope	55 min
May 20, 6:18 PM CDT	Severe Thunderstorm Warning	LZK	Johnson	42 min
May 20, 6:25 PM CDT	Tornado Warning	LZK	Faulkner	55 min
May 20, 6:53 PM CDT	Tornado Warning	LZK	Johnson, Pope	52 min

Nearby

Tornado Warnings in Arkansas, 2001 Every tornado warning in 2001 Tornadoes in 2001

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.