Alert archive / Arkansas / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 44, NWS Little Rock, AR

March 11, 2018Bradley County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Mar 11, 2018, 12:44 AM CST for Bradley 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 counties it named.

The facts

Issued: Mar 11, 2018, 12:44 AM CST (06:44 UTC)
Expired: Mar 11, 2018, 1:15 AM CST
In force: 31 min
Issued by: NWS Little Rock, AR
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Bradley County, AR

The radar

The Little Rock radar (KLZK), 153 km from the middle of the area, began a volume at 06:46 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 (KBAD), launched 00:00Z, 6.7 hours before the alert went out and 184 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: 1026 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 1265 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 55 m²/s²
0-3 km storm-relative helicity: 236 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 4.3

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 Mar 10, 11:40 PM CST, 1 hour 4 minutes earlier.

Area forecast discussion, Mar 10, 11:40 PM CST, 1 hour 4 minutes before

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Hazardous weather outlook, Mar 10, 11:10 PM CST, 1 hour 34 minutes before

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In the hours before

Local storm report, Mar 10, 11:23 PM CST, 1 hour 21 minutes before

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Special weather statement, Mar 10, 11:29 PM CST, 1 hour 15 minutes before

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Special weather statement, Mar 11, 12:01 AM CST, 43 minutes before

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Special weather statement, Mar 11, 12:12 AM CST, 32 minutes before

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Special weather statement, Mar 11, 12:39 AM CST, 5 minutes before

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Special weather statement, Mar 11, 12:41 AM CST, 3 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
Mar 10, 6:11 PM CST	Special Weather Statement	LZK	Faulkner	34 min
Mar 10, 6:17 PM CST	Severe Thunderstorm Warning	LZK	Conway, Garland, Perry, Saline, Yell	43 min
Mar 10, 6:41 PM CST	Severe Thunderstorm Warning	LZK	Conway, Faulkner, Perry	49 min
Mar 10, 6:52 PM CST	Severe Thunderstorm Warning	LZK	Garland, Perry, Pulaski, Saline	53 min
Mar 10, 7:08 PM CST	Special Weather Statement	LZK	Pulaski	52 min
Mar 10, 7:24 PM CST	Severe Thunderstorm Warning	LZK	Garland, Grant, Hot Spring, Jefferson, Lonoke, Pulaski and 1 more	51 min
Mar 10, 7:31 PM CST	Special Weather Statement	LZK	Faulkner	29 min
Mar 10, 7:34 PM CST	Special Weather Statement	LZK	Desha	26 min
Mar 10, 7:38 PM CST	Severe Thunderstorm Warning	LZK	Lonoke, Pulaski, Saline	37 min
Mar 10, 7:39 PM CST	Special Weather Statement	LZK	Cleveland	36 min
Mar 10, 8:00 PM CST	Severe Thunderstorm Warning	LZK	Cleveland, Lincoln	45 min
Mar 10, 8:01 PM CST	Severe Thunderstorm Warning	LZK	Jefferson, Lincoln	44 min
Mar 10, 8:06 PM CST	Special Weather Statement	LZK	Desha	39 min
Mar 10, 8:11 PM CST	Severe Thunderstorm Warning	LZK	Lonoke, Pulaski	32 min
Mar 10, 8:15 PM CST	Severe Thunderstorm Warning	LZK	Desha	45 min
Mar 10, 8:23 PM CST	Special Weather Statement	LZK	Grant	22 min
Mar 10, 8:35 PM CST	Special Weather Statement	LZK	Lincoln	25 min
Mar 10, 8:42 PM CST	Severe Thunderstorm Warning	LZK	Cleveland, Desha, Drew, Grant, Jefferson, Lincoln	48 min
Mar 10, 8:50 PM CST	Special Weather Statement	LZK	Monroe	25 min
Mar 10, 8:59 PM CST	Severe Thunderstorm Warning	LZK	Desha, Drew	46 min
Mar 10, 9:06 PM CST	Special Weather Statement	LZK	Johnson, Pope	39 min
Mar 10, 9:15 PM CST	Special Weather Statement	LZK	Arkansas	45 min
Mar 10, 9:25 PM CST	Severe Thunderstorm Warning	LZK	Cleveland, Drew, Lincoln	50 min
Mar 10, 9:27 PM CST	Special Weather Statement	LZK	Desha	48 min
Mar 10, 9:44 PM CST	Special Weather Statement	LZK	Conway, Faulkner, Logan	46 min
Mar 10, 10:07 PM CST	Severe Thunderstorm Warning	LZK	Desha, Drew	38 min
Mar 10, 10:29 PM CST	Special Weather Statement	LZK	Logan, Perry, Pulaski, Yell	46 min
Mar 10, 10:30 PM CST	Special Weather Statement	LZK	Dallas	45 min
Mar 10, 10:38 PM CST	Severe Thunderstorm Warning	LZK	Desha, Drew	52 min
Mar 10, 11:29 PM CST	Special Weather Statement	LZK	Jefferson, Pulaski	46 min
Mar 11, 12:01 AM CST	Special Weather Statement	LZK	Bradley, Drew	44 min
Mar 11, 12:12 AM CST	Special Weather Statement	LZK	Jefferson	33 min
Mar 11, 12:39 AM CST	Special Weather Statement	LZK	Arkansas	36 min
Mar 11, 12:41 AM CST	Special Weather Statement	LZK	Bradley, Calhoun	49 min
Mar 11, 1:23 AM CST	Special Weather Statement	LZK	Bradley, Calhoun	37 min
Mar 11, 1:56 AM CST	Special Weather Statement	LZK	Calhoun	49 min

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.