Alert archive / Arkansas / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 458, NWS Little Rock, AR

October 5, 2000Conway County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Oct 5, 2000, 9:58 PM CDT for Conway County, Arkansas. It was in force for 62 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Oct 5, 2000, 9:58 PM CDT (02:58 UTC)
Expired: Oct 5, 2000, 11:00 PM CDT
In force: 62 min
Issued by: NWS Little Rock, AR
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Conway County, AR

The radar

The Little Rock radar (KLZK), 62 km from the middle of the area, began a volume at 03:00 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
Oct 5, 10:10 PM CDT	Thunderstorm Wind 50 E	Morrilton, 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 nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 3.0 hours before the alert went out and 207 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: 796 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: -114 m²/s²
0-3 km storm-relative helicity: -73 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 Oct 5, 3:25 PM CDT, 6 hours 33 minutes earlier.

Area forecast discussion, Oct 5, 3:25 PM CDT, 6 hours 33 minutes before

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In the hours before

Local storm report, Oct 5, 4:12 PM CDT, 5 hours 46 minutes before

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Special weather statement, Oct 5, 8:18 PM CDT, 1 hour 40 minutes before

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Local storm report, Oct 5, 9:15 PM CDT, 43 minutes before

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Local storm report, Oct 5, 9:38 PM CDT, 20 minutes before

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Local storm report, Oct 5, 9:45 PM CDT, 13 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
Oct 5, 8:42 PM CDT	Severe Thunderstorm Warning	LZK	Johnson, Logan	63 min
Oct 5, 9:18 PM CDT	Severe Thunderstorm Warning	LZK	Logan	42 min
Oct 5, 9:20 PM CDT	Severe Thunderstorm Warning	LZK	Pope, Yell	55 min
Oct 6, 1:35 AM CDT	Severe Thunderstorm Warning	LZK	Ouachita	55 min
Oct 6, 3:06 AM CDT	Severe Thunderstorm Warning	LZK	Bradley	24 min
Oct 6, 4:54 AM CDT	Severe Thunderstorm Warning	LZK	Clark	36 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.