Alert archive / Arkansas / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 32, NWS Little Rock, AR

March 26, 2011Boone County, Marion County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Mar 26, 2011, 7:00 AM CDT for Boone County, Marion 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: Mar 26, 2011, 7:00 AM CDT (12:00 UTC)
Expired: Mar 26, 2011, 7:30 AM CDT
In force: 30 min
Issued by: NWS Little Rock, AR
Area: Storm-based polygon

Counties Boone County, AR, Marion County, AR

The radar

The Springfield radar (KSGF), 115 km from the middle of the area, began a volume at 12:00 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.

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 0.0 hours before the alert went out and 106 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: 14 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 402 m above ground
0-6 km bulk shear: 85 kt
0-1 km storm-relative helicity: 59 m²/s²
0-3 km storm-relative helicity: 336 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.1

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 26, 6:53 AM CDT, 7 minutes earlier.

Area forecast discussion, Mar 26, 6:53 AM CDT, 7 minutes before

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Hazardous weather outlook, Mar 26, 5:00 AM CDT, 2 hours before

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In the hours before

Local storm report, Mar 26, 5:46 AM CDT, 1 hour 14 minutes before

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Special weather statement, Mar 26, 5:49 AM CDT, 1 hour 11 minutes before

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Special weather statement, Mar 26, 5:52 AM CDT, 1 hour 8 minutes before

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Special weather statement, Mar 26, 6:05 AM CDT, 55 minutes before

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Special weather statement, Mar 26, 6:36 AM CDT, 24 minutes before

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Special weather statement, Mar 26, 6:45 AM CDT, 15 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 26, 12:19 AM CDT	Special Weather Statement	LZK	Newton	46 min
Mar 26, 12:54 AM CDT	Special Weather Statement	LZK	Pulaski	31 min
Mar 26, 12:57 AM CDT	Special Weather Statement	LZK	Monroe	43 min
Mar 26, 12:58 AM CDT	Special Weather Statement	LZK	Newton, Searcy	47 min
Mar 26, 1:00 AM CDT	Severe Thunderstorm Warning	LZK	Boone, Marion, Newton	45 min
Mar 26, 1:21 AM CDT	Severe Thunderstorm Warning	LZK	Baxter, Marion	32 min
Mar 26, 1:48 AM CDT	Special Weather Statement	LZK	Searcy	32 min
Mar 26, 2:14 AM CDT	Special Weather Statement	LZK	Searcy, Stone	61 min
Mar 26, 2:17 AM CDT	Special Weather Statement	LZK	Sharp	58 min
Mar 26, 2:18 AM CDT	Special Weather Statement	LZK	Newton	47 min
Mar 26, 2:36 AM CDT	Special Weather Statement	LZK	Johnson	29 min
Mar 26, 2:58 AM CDT	Special Weather Statement	LZK	Cleburne, Johnson, Pope, Van Buren	47 min
Mar 26, 3:01 AM CDT	Special Weather Statement	LZK	Jackson	44 min
Mar 26, 3:19 AM CDT	Special Weather Statement	LZK	Arkansas	31 min
Mar 26, 3:27 AM CDT	Special Weather Statement	LZK	Independence, Stone	63 min
Mar 26, 3:42 AM CDT	Severe Thunderstorm Warning	LZK	Johnson, Newton	48 min
Mar 26, 3:44 AM CDT	Freeze Watch	LZK	Baxter, Fulton, Izard, Marion, Sharp, Stone	12 hr
Mar 26, 3:56 AM CDT	Flash Flood Warning	LZK	Johnson, Newton, Pope	2 hr
Mar 26, 4:00 AM CDT	Special Weather Statement	LZK	Prairie	30 min
Mar 26, 4:11 AM CDT	Special Weather Statement	LZK	Perry	29 min
Mar 26, 4:25 AM CDT	Severe Thunderstorm Warning	LZK	Conway, Faulkner, Perry	35 min
Mar 26, 4:34 AM CDT	Special Weather Statement	LZK	Jackson	31 min
Mar 26, 4:54 AM CDT	Special Weather Statement	LZK	Perry	31 min
Mar 26, 5:11 AM CDT	Special Weather Statement	LZK	Faulkner	29 min
Mar 26, 5:17 AM CDT	Special Weather Statement	LZK	Johnson	43 min
Mar 26, 5:21 AM CDT	Severe Thunderstorm Warning	LZK	Lonoke, Prairie, Pulaski, White	39 min
Mar 26, 5:33 AM CDT	Special Weather Statement	LZK	Pulaski	32 min
Mar 26, 5:49 AM CDT	Special Weather Statement	LZK	Faulkner	31 min
Mar 26, 5:52 AM CDT	Special Weather Statement	LZK	Boone	28 min
Mar 26, 6:05 AM CDT	Special Weather Statement	LZK	Jackson, White, Woodruff	30 min
Mar 26, 6:36 AM CDT	Special Weather Statement	LZK	Woodruff	29 min
Mar 26, 6:45 AM CDT	Special Weather Statement	LZK	Boone	30 min
Mar 26, 4:02 PM CDT	Freeze Warning	LZK	Baxter, Fulton, Izard, Marion, Sharp, Stone	19 hr

Nearby

Severe Thunderstorm Warnings in Arkansas, 2011 Every severe thunderstorm warning in 2011

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.