Alert archive / Arkansas / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 404, NWS Little Rock, AR

December 1, 2018Arkansas County, Desha County, Monroe County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Dec 1, 2018, 6:35 AM CST for Arkansas County, Desha County, Monroe County, Arkansas. It was in force for 25 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: Dec 1, 2018, 6:35 AM CST (12:35 UTC)
Expired: Dec 1, 2018, 7:00 AM CST
In force: 25 min
Issued by: NWS Little Rock, AR
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Arkansas County, AR, Desha County, AR, Monroe County, AR

The radar

The Little Rock radar (KLZK), 110 km from the middle of the area, began a volume at 12:37 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 watch it was issued in

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

Issued	Product	Office	Lasted
Dec 1, 1:58 AM CST	Tornado Watch	SPC	5 hr

The nearest sounding before it

Little Rock, AR (KBYH), launched 12:00Z, 0.6 hours before the alert went out and 137 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: 101 J/kg
Mixed-layer CIN: -93 J/kg
Mixed-layer LCL: 793 m above ground
0-6 km bulk shear: 80 kt
0-1 km storm-relative helicity: -33 m²/s²
0-3 km storm-relative helicity: 61 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.7

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 Dec 1, 5:18 AM CST, 1 hour 17 minutes earlier.

Area forecast discussion, Dec 1, 5:18 AM CST, 1 hour 17 minutes before

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Hazardous weather outlook, Dec 1, 3:30 AM CST, 3 hours 5 minutes before

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In the hours before

Local storm report, Dec 1, 2:14 AM CST, 4 hours 21 minutes before

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Local storm report, Dec 1, 2:15 AM CST, 4 hours 20 minutes before

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Local storm report, Dec 1, 2:25 AM CST, 4 hours 10 minutes before

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Special weather statement, Dec 1, 2:57 AM CST, 3 hours 38 minutes before

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Local storm report, Dec 1, 4:01 AM CST, 2 hours 34 minutes before

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Special weather statement, Dec 1, 5:25 AM CST, 1 hour 10 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
Nov 30, 6:23 PM CST	Tornado Warning	LZK	Logan	19 min
Nov 30, 6:26 PM CST	Severe Thunderstorm Warning	LZK	Johnson	49 min
Nov 30, 6:39 PM CST	Severe Thunderstorm Warning	LZK	Pope, Searcy, Van Buren	51 min
Nov 30, 7:01 PM CST	Special Weather Statement	LZK	Prairie	44 min
Nov 30, 7:09 PM CST	Severe Thunderstorm Warning	LZK	Johnson, Newton	51 min
Nov 30, 7:16 PM CST	Severe Thunderstorm Warning	LZK	Baxter, Marion, Searcy	46 min
Nov 30, 7:45 PM CST	Special Weather Statement	LZK	Boone	30 min
Nov 30, 11:09 PM CST	Severe Thunderstorm Warning	LZK	Boone, Johnson, Logan, Newton, Pope, Scott and 1 more	66 min
Nov 30, 11:29 PM CST	Severe Thunderstorm Warning	LZK	Polk, Scott	46 min
Nov 30, 11:57 PM CST	Tornado Warning	LZK	Johnson, Logan, Pope	18 min
Dec 1, 12:08 AM CST	Severe Thunderstorm Warning	LZK	Conway, Johnson, Logan, Marion, Newton, Perry and 5 more	52 min
Dec 1, 12:14 AM CST	Severe Thunderstorm Warning	LZK	Garland, Montgomery, Perry, Yell	46 min
Dec 1, 12:20 AM CST	Severe Thunderstorm Warning	LZK	Boone, Marion, Newton	40 min
Dec 1, 12:52 AM CST	Severe Thunderstorm Warning	LZK	Baxter, Boone, Fulton, Izard, Marion, Searcy and 1 more	38 min
Dec 1, 12:55 AM CST	Severe Thunderstorm Warning	LZK	Conway, Faulkner, Perry, Pulaski, Saline, Yell	50 min
Dec 1, 1:04 AM CST	Special Weather Statement	LZK	Cleburne, Conway, Stone, Van Buren	41 min
Dec 1, 1:07 AM CST	Special Weather Statement	LZK	Montgomery	38 min
Dec 1, 1:23 AM CST	Severe Thunderstorm Warning	LZK	Cleburne, Conway, Faulkner, Independence, Jackson, Van Buren and 1 more	52 min
Dec 1, 1:26 AM CST	Severe Thunderstorm Warning	LZK	Baxter, Cleburne, Fulton, Independence, Izard, Lawrence and 3 more	49 min
Dec 1, 1:31 AM CST	Severe Thunderstorm Warning	LZK	Clark, Dallas, Garland, Grant, Hot Spring, Pike	44 min
Dec 1, 1:51 AM CST	Severe Thunderstorm Warning	LZK	Faulkner, White, Woodruff	39 min
Dec 1, 1:54 AM CST	Special Weather Statement	LZK	Pulaski	51 min
Dec 1, 2:05 AM CST	Severe Thunderstorm Warning	LZK	Calhoun, Clark, Cleveland, Dallas, Grant, Hot Spring and 2 more	40 min
Dec 1, 2:07 AM CST	Severe Thunderstorm Warning	LZK	Independence, Jackson, Lawrence, Randolph, Sharp	38 min
Dec 1, 2:10 AM CST	Severe Thunderstorm Warning	LZK	Cleburne, Independence, Jackson, White, Woodruff	50 min
Dec 1, 2:33 AM CST	Severe Thunderstorm Warning	LZK	Faulkner, Lonoke, Prairie, Pulaski, White	42 min
Dec 1, 2:44 AM CST	Severe Thunderstorm Warning	LZK	Calhoun, Cleveland, Dallas, Grant, Jefferson, Lincoln	46 min
Dec 1, 2:57 AM CST	Special Weather Statement	LZK	Jackson	33 min
Dec 1, 3:53 AM CST	Severe Thunderstorm Warning	LZK	Arkansas, Desha, Jefferson, Lincoln	37 min
Dec 1, 5:25 AM CST	Special Weather Statement	LZK	Cleveland	35 min
Dec 1, 5:34 AM CST	Severe Thunderstorm Warning	LZK	Bradley, Cleveland, Drew, Lincoln	41 min
Dec 1, 6:02 AM CST	Severe Thunderstorm Warning	LZK	Arkansas, Desha, Drew, Lincoln	43 min
Dec 1, 6:51 AM CST	Special Weather Statement	LZK	Drew	24 min
Dec 1, 10:32 AM CST	River Flood Warning	LZK	Jackson, Woodruff	23 days

Nearby

Severe Thunderstorm Warnings in Arkansas, 2018 Every severe thunderstorm warning in 2018

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.