Alert archive / Arkansas / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 452, NWS Little Rock, AR

September 24, 2000Cleveland County, Dallas County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Sep 24, 2000, 12:04 PM CDT for Cleveland County, Dallas County, Arkansas. It was in force for 41 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: Sep 24, 2000, 12:04 PM CDT (17:04 UTC)
Expired: Sep 24, 2000, 12:45 PM CDT
In force: 41 min
Issued by: NWS Little Rock, AR
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Cleveland County, AR, Dallas County, AR

The radar

The Little Rock radar (KLZK), 101 km from the middle of the area, began a volume at 17:04 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

Shreveport, LA (KSHV), launched 12:00Z, 5.1 hours before the alert went out and 204 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: 625 J/kg
Mixed-layer CIN: -114 J/kg
Mixed-layer LCL: 781 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 107 m²/s²
0-3 km storm-relative helicity: 113 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.4

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 Sep 24, 9:19 AM CDT, 2 hours 45 minutes earlier.

Area forecast discussion, Sep 24, 9:19 AM CDT, 2 hours 45 minutes before

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In the hours before

Special weather statement, Sep 24, 6:05 AM CDT, 5 hours 59 minutes before

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Special weather statement, Sep 24, 6:10 AM CDT, 5 hours 54 minutes before

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Special weather statement, Sep 24, 7:08 AM CDT, 4 hours 56 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
Sep 23, 7:10 PM CDT	Severe Thunderstorm Warning	LZK	Logan, Scott	65 min
Sep 23, 7:39 PM CDT	Severe Thunderstorm Warning	LZK	Johnson	66 min
Sep 23, 8:45 PM CDT	Severe Thunderstorm Warning	LZK	Scott	30 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.