Alert archive / Arkansas / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 358, NWS Little Rock, AR

July 19, 2003Izard County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Jul 19, 2003, 2:55 AM CDT for Izard County, Arkansas. It was in force for 30 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: Jul 19, 2003, 2:55 AM CDT (07:55 UTC)
Expired: Jul 19, 2003, 3:25 AM CDT
In force: 30 min
Issued by: NWS Little Rock, AR
Area: Counties, with a storm outline in the text

County Izard County, AR

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 19, 1:40 AM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 7.9 hours before the alert went out and 191 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: 2598 J/kg
Mixed-layer CIN: -57 J/kg
Mixed-layer LCL: 1646 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 106 m²/s²
0-3 km storm-relative helicity: 168 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 13.9

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Little Rock, AR wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 18, 9:01 PM CDT, 5 hours 54 minutes earlier.

Area forecast discussion, Jul 18, 9:01 PM CDT, 5 hours 54 minutes before

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Hazardous weather outlook, Jul 19, 2:10 AM CDT, 45 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 19, 1:40 AM CDT	Severe Thunderstorm Warning	LZK	Sharp	30 min
Jul 19, 3:31 AM CDT	Severe Thunderstorm Warning	LZK	Cleburne	24 min
Jul 19, 3:44 AM CDT	Severe Thunderstorm Warning	LZK	Fulton	21 min
Jul 19, 4:55 AM CDT	Severe Thunderstorm Warning	LZK	Lonoke	35 min
Jul 19, 6:42 AM CDT	Severe Thunderstorm Warning	LZK	Garland, Hot Spring	43 min
Jul 19, 7:19 AM CDT	Severe Thunderstorm Warning	LZK	Clark, Dallas	61 min
Jul 19, 7:58 AM CDT	Severe Thunderstorm Warning	LZK	Calhoun, Ouachita	57 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.