Alert archive / Arkansas / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 21, NWS Little Rock, AR

April 4, 2003Conway County, Pope County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Apr 4, 2003, 6:19 PM CST for Conway County, Pope County, Arkansas. It was in force for 31 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Apr 4, 2003, 6:19 PM CST (00:19 UTC)
Expired: Apr 4, 2003, 6:50 PM CST
In force: 31 min
Issued by: NWS Little Rock, AR
Area: Counties, with a storm outline in the text

Counties Conway County, AR, Pope County, AR

The radar

The Little Rock radar (KLZK), 74 km from the middle of the area, began a volume at 00:21 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

Springfield, MO (KSGF), launched 00:00Z, 0.3 hours before the alert went out and 195 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 701 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 4 m²/s²
0-3 km storm-relative helicity: 104 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 
WUUS54 KLZK 050019
SVRLIT
ARC029-115-050050-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LITTLE ROCK AR
620 PM CST FRI APR 4 2003

THE NATIONAL WEATHER SERVICE IN LITTLE ROCK HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CONWAY COUNTY IN CENTRAL ARKANSAS
  POPE COUNTY IN CENTRAL ARKANSAS

* UNTIL 650 PM CST

* AT 615 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER POTTSVILLE...OR ABOUT 4 MILES EAST OF
  RUSSELLVILLE...MOVING EAST AT 45 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  HATTIEVILLE AND JERUSALEM AROUND 635 PM CST
  ST. VINCENT AROUND 640 PM CST

THE MAIN SEVERE WEATHER THREAT IN THE WARNING AREA IS STRONG AND
GUSTY WINDS. SOME DAMAGE MAY OCCUR SUCH AS DOWNED TREES OR TREE LIMBS
AND POWER LINES. THE STORM MAY ALSO PRODUCE HAIL IN SOME AREAS. FOR
YOUR PROTECTION...GO INDOORS UNTIL THE STORM PASSES.

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 3546 9250 3530 9249 3519 9309 3536 9314
          3546 9271

$$

57

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 4, 6:42 PM CST	Severe Thunderstorm Warning	LZK	Polk	23 min
Apr 4, 6:47 PM CST	Severe Thunderstorm Warning	LZK	Van Buren	28 min
Apr 4, 7:12 PM CST	Severe Thunderstorm Warning	LZK	Cleburne, Van Buren	38 min
Apr 4, 7:46 PM CST	Severe Thunderstorm Warning	LZK	Garland, Saline	44 min
Apr 4, 7:58 PM CST	Severe Thunderstorm Warning	LZK	Independence, Sharp	37 min
Apr 4, 8:29 PM CST	Severe Thunderstorm Warning	LZK	Saline	46 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2003 Every severe thunderstorm warning in 2003

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.