Alert archive / Arkansas / Tornado Warnings in 2000

Tornado Warning 41, NWS Little Rock, AR

May 18, 2000Boone County, Marion County, Arkansas

NWS Little Rock, AR issued this tornado warning at May 18, 2000, 4:44 PM CDT for Boone County, Marion County, Arkansas. It was in force for 46 min. 1 report came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued: May 18, 2000, 4:44 PM CDT (21:44 UTC)
Expired: May 18, 2000, 5:30 PM CDT
In force: 46 min
Issued by: NWS Little Rock, AR
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Boone County, AR, Marion County, AR

The radar

The Springfield radar (KSGF), 98 km from the middle of the area, began a volume at 21:47 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 18, 4:51 PM CDT	Hail 1	Peel, AR

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
May 18, 3:15 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 9.7 hours before the alert went out and 100 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: 1080 J/kg
Mixed-layer CIN: -78 J/kg
Mixed-layer LCL: 944 m above ground
0-6 km bulk shear: 64 kt
0-1 km storm-relative helicity: 364 m²/s²
0-3 km storm-relative helicity: 412 m²/s²
Significant tornado parameter: 2.3
Supercell composite: 12.8

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KLZK 182145
TORLIT
ARC009-089-182230-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LITTLE ROCK AR
444 PM CDT THU MAY 18 2000

THE NATIONAL WEATHER SERVICE IN LITTLE ROCK HAS ISSUED A

* TORNADO WARNING FOR...
  MARION COUNTY IN NORTH CENTRAL ARKANSAS
  BOONE COUNTY IN NORTH CENTRAL ARKANSAS

* UNTIL 530 PM CDT

* AT 439 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  THUNDERSTORM WITH A DEVELOPING TORNADO OVER DIAMOND CITY...OR ABOUT
  18 MILES WEST OF BULL SHOALS...MOVING EAST AT 45 MPH.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 PM CDT THURSDAY AFTERNOON
FOR NORTHWESTERN ARKANSAS. A TORNADO WATCH ALSO REMAINS IN EFFECT
UNTIL 1000 PM CDT THURSDAY EVENING FOR NORTHWESTERN ARKANSAS.

IF YOU ARE IN THE PATH OF THIS TORNADO...HEAD INDOORS NOW. GO TO AN
INTERIOR ROOM AWAY FROM WINDOWS ON THE LOWEST FLOOR. PUT AS MANY
WALLS BETWEEN YOURSELF AND THE OUTDOORS AS YOU CAN. ABANDON MOBILES
HOMES NOW. MOVE TO A STRONG BUILDING OR UNDERGROUND SHELTER. IF THERE
ARE NO BUILDINGS NEARBY...LIE IN A DITCH TO AVOID FLYING DEBRIS. BUT
BEWARE OF RISING WATER.

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

LAT...LON 3655 9296 3637 9292 3643 9253 3664 9256

38/49

The office that day

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

Issued	Product	Office	Counties	Lasted
May 18, 3:56 PM CDT	Severe Thunderstorm Warning	LZK	Scott	49 min
May 18, 4:17 PM CDT	Severe Thunderstorm Warning	LZK	Boone	28 min
May 18, 4:38 PM CDT	Tornado Warning	LZK	Scott	37 min
May 18, 4:49 PM CDT	Severe Thunderstorm Warning	LZK	Newton	41 min
May 18, 5:01 PM CDT	Tornado Warning	LZK	Newton	44 min
May 18, 5:09 PM CDT	Tornado Warning	LZK	Yell	51 min
May 18, 5:14 PM CDT	Severe Thunderstorm Warning	LZK	Baxter	46 min
May 18, 5:46 PM CDT	Severe Thunderstorm Warning	LZK	Fulton	49 min
May 18, 6:16 PM CDT	Severe Thunderstorm Warning	LZK	Baxter	34 min
May 18, 6:34 PM CDT	Severe Thunderstorm Warning	LZK	Stone	31 min
May 18, 6:46 PM CDT	Severe Thunderstorm Warning	LZK	Fulton	49 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.