Alert archive / Arkansas / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 4, NWS Memphis, TN

January 3, 2000Lawrence County, Randolph County, Arkansas

NWS Memphis, TN issued this severe thunderstorm warning at Jan 3, 2000, 7:16 AM CST for Lawrence County, Randolph County, Arkansas. It was in force for 34 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: Jan 3, 2000, 7:16 AM CST (13:16 UTC)
Expired: Jan 3, 2000, 7:50 AM CST
In force: 34 min
Issued by: NWS Memphis, TN
Area: Whole counties

Counties Lawrence County, AR, Randolph County, AR

The radar

The Memphis radar (KNQA), 143 km from the middle of the area, began a volume at 13:17 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.

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 1.3 hours before the alert went out and 182 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: 486 J/kg
Mixed-layer CIN: -28 J/kg
Mixed-layer LCL: 703 m above ground
0-6 km bulk shear: 72 kt
0-1 km storm-relative helicity: 371 m²/s²
0-3 km storm-relative helicity: 513 m²/s²
Significant tornado parameter: 1.4
Supercell composite: 7.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMEM 031316
SVRMEM
ARC075-121-031350-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
716 AM CST MON JAN 3 2000


THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  LAWRENCE COUNTY IN NORTHEASTERN ARKANSAS
  RANDOLPH COUNTY IN NORTHEASTERN ARKANSAS

* UNTIL 750 AM CST

* AT 715 AM CST... DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  WITH DAMAGING WINDS 24 MILES WEST OF POCAHONTAS OR 9 MILES WEST OF
  ANNIEVILLE... MOVING EAST AT 50 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  IMBODEN BY 725 AM CST
  BLACK ROCK BY 730 AM CST
  POCAHONTAS BY 740 AM CST
  WALNUT RIDGE BY 740 AM CST
  BIGGERS BY 750 AM CST

.A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER...
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH
LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO RAPIDLY
CHANGING WEATHER CONDITIONS.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 2, 6:07 PM CST	Severe Thunderstorm Warning	MEG	Mississippi	33 min
Jan 3, 8:02 AM CST	Severe Thunderstorm Warning	MEG	Clay	33 min
Jan 3, 12:09 PM CST	Severe Thunderstorm Warning	MEG	Craighead, Lawrence	31 min
Jan 3, 12:35 PM CST	Severe Thunderstorm Warning	MEG	Greene	35 min
Jan 3, 12:57 PM CST	Severe Thunderstorm Warning	MEG	Clay	33 min
Jan 3, 1:10 PM CST	Tornado Warning	MEG	Greene	35 min
Jan 3, 1:17 PM CST	Tornado Warning	MEG	Craighead	33 min
Jan 3, 1:27 PM CST	Tornado Warning	MEG	Clay	33 min
Jan 3, 1:36 PM CST	Severe Thunderstorm Warning	MEG	Poinsett	34 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2000 Every severe thunderstorm warning 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.