Alert archive / Arkansas / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 528, NWS Little Rock, AR

October 9, 20095 counties in Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Oct 9, 2009, 9:49 AM CDT for 5 counties in 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: Oct 9, 2009, 9:49 AM CDT (14:49 UTC)
Expired: Oct 9, 2009, 10:30 AM CDT
In force: 41 min
Issued by: NWS Little Rock, AR
Area: Storm-based polygon

Counties Arkansas County, AR, Jefferson County, AR, Lincoln County, AR, Monroe County, AR, Prairie County, AR

The radar

The Little Rock radar (KLZK), 80 km from the middle of the area, began a volume at 14:48 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
Oct 9, 8:36 AM CDT	Tornado Watch	SPC	4 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 2.8 hours before the alert went out and 155 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: 15 J/kg
Mixed-layer CIN: -387 J/kg
Mixed-layer LCL: 468 m above ground
0-6 km bulk shear: 72 kt
0-1 km storm-relative helicity: -95 m²/s²
0-3 km storm-relative helicity: 146 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 5.5

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 Oct 9, 6:40 AM CDT, 3 hours 9 minutes earlier.

Area forecast discussion, Oct 9, 6:40 AM CDT, 3 hours 9 minutes before

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Hazardous weather outlook, Oct 9, 9:42 AM CDT, 7 minutes before

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In the hours before

Local storm report, Oct 9, 5:05 AM CDT, 4 hours 44 minutes before

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Local storm report, Oct 9, 5:26 AM CDT, 4 hours 23 minutes before

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Special weather statement, Oct 9, 7:45 AM CDT, 2 hours 4 minutes before

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Local storm report, Oct 9, 9:13 AM CDT, 36 minutes before

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Local storm report, Oct 9, 9:25 AM CDT, 24 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 8, 8:24 PM CDT	River Flood Warning	LZK	Izard, Stone	36 hr
Oct 8, 8:24 PM CDT	River Flood Warning	LZK	Independence	36 hr
Oct 8, 8:43 PM CDT	Severe Thunderstorm Warning	LZK	Boone, Marion	47 min
Oct 8, 9:02 PM CDT	River Flood Warning	LZK	Randolph	72 hr
Oct 8, 9:02 PM CDT	River Flood Warning	LZK	Independence, Jackson, Lawrence	8 days
Oct 8, 9:33 PM CDT	River Flood Warning	LZK	White, Woodruff	52 days
Oct 8, 10:09 PM CDT	Flash Flood Warning	LZK	Baxter, Boone, Marion	6 hr
Oct 8, 10:25 PM CDT	Severe Thunderstorm Warning	LZK	Baxter, Fulton	50 min
Oct 8, 11:11 PM CDT	Severe Thunderstorm Warning	LZK	Johnson, Newton	49 min
Oct 8, 11:24 PM CDT	Flash Flood Warning	LZK	Boone, Johnson, Marion, Newton, Searcy	6 hr
Oct 8, 11:52 PM CDT	Severe Thunderstorm Warning	LZK	Johnson, Newton, Pope, Searcy	38 min
Oct 9, 12:30 AM CDT	Flash Flood Warning	LZK	Baxter, Fulton, Izard, Johnson, Logan, Marion and 6 more	6 hr
Oct 9, 12:35 AM CDT	Severe Thunderstorm Warning	LZK	Conway, Pope, Searcy, Stone, Van Buren	40 min
Oct 9, 1:02 AM CDT	Flash Flood Warning	LZK	Logan, Scott, Yell	6 hr
Oct 9, 1:18 AM CDT	Severe Thunderstorm Warning	LZK	Cleburne, Conway, Izard, Searcy, Stone, Van Buren	42 min
Oct 9, 1:39 AM CDT	Flash Flood Warning	LZK	Cleburne, Conway, Faulkner, Garland, Independence, Izard and 13 more	6 hr
Oct 9, 3:45 AM CDT	Flash Flood Warning	LZK	Baxter, Boone, Fulton, Johnson, Marion, Newton and 1 more	5 hr
Oct 9, 6:10 AM CDT	Flash Flood Warning	LZK	Baxter, Conway, Fulton, Independence, Izard, Johnson and 12 more	3 hr
Oct 9, 6:19 AM CDT	Flash Flood Warning	LZK	Clark, Cleburne, Conway, Faulkner, Garland, Grant and 13 more	4 hr
Oct 9, 7:05 AM CDT	River Flood Warning	LZK	Fulton, Sharp	3 hr
Oct 9, 7:37 AM CDT	Flash Flood Warning	LZK	Cleburne, Conway, Faulkner, Garland, Independence, Izard and 12 more	3 hr
Oct 9, 8:02 AM CDT	Severe Thunderstorm Warning	LZK	Clark, Dallas, Hot Spring	28 min
Oct 9, 8:31 AM CDT	River Flood Advisory	LZK	Searcy	22 hr
Oct 9, 8:50 AM CDT	Severe Thunderstorm Warning	LZK	Bradley, Calhoun, Cleveland, Dallas, Grant, Ouachita	55 min
Oct 9, 8:58 AM CDT	Areal Flood Warning	LZK	Baxter, Boone, Fulton, Izard, Johnson, Logan and 11 more	4 hr
Oct 9, 9:07 AM CDT	Flash Flood Warning	LZK	Grant, Jackson, Jefferson, Lonoke, Monroe, Prairie and 4 more	3 hr
Oct 9, 9:35 AM CDT	River Flood Warning	LZK	Yell	36 hr
Oct 9, 9:35 AM CDT	River Flood Warning	LZK	Perry	3 days
Oct 9, 9:37 AM CDT	River Flood Warning	LZK	Randolph	23 hr
Oct 9, 9:42 AM CDT	Severe Thunderstorm Warning	LZK	Bradley, Calhoun, Cleveland, Drew, Grant, Jefferson and 1 more	63 min
Oct 9, 9:57 AM CDT	River Flood Advisory	LZK	Franklin, Johnson, Logan	45 hr
Oct 9, 9:57 AM CDT	River Flood Advisory	LZK	Pope, Yell	21 hr
Oct 9, 9:57 AM CDT	River Flood Advisory	LZK	Conway, Perry	21 hr
Oct 9, 9:57 AM CDT	River Flood Advisory	LZK	Faulkner, Perry	21 hr
Oct 9, 9:57 AM CDT	River Flood Advisory	LZK	Pulaski	21 hr
Oct 9, 9:57 AM CDT	River Flood Advisory	LZK	Jefferson, Lincoln	21 hr
Oct 9, 9:57 AM CDT	River Flood Advisory	LZK	Arkansas, Desha, Lincoln	21 hr
Oct 9, 10:07 AM CDT	Flash Flood Warning	LZK	Hot Spring	6 hr
Oct 9, 10:12 AM CDT	River Flood Advisory	LZK	Independence, Jackson	21 hr
Oct 9, 10:12 AM CDT	River Flood Advisory	LZK	Prairie, White, Woodruff	21 hr
Oct 9, 10:12 AM CDT	River Flood Advisory	LZK	Prairie	21 hr
Oct 9, 10:17 AM CDT	River Flood Warning	LZK	Arkansas, Monroe	54 days
Oct 9, 10:25 AM CDT	Flash Flood Warning	LZK	Cleburne, Faulkner, Independence, Izard, Jackson, Lonoke and 6 more	3 hr
Oct 9, 10:26 AM CDT	Severe Thunderstorm Warning	LZK	Arkansas, Desha, Drew, Jefferson, Lincoln, Monroe	64 min
Oct 9, 10:55 AM CDT	River Flood Warning	LZK	Clark, Hot Spring	34 hr
Oct 9, 10:55 AM CDT	River Flood Warning	LZK	Saline	23 hr
Oct 9, 11:08 AM CDT	River Flood Advisory	LZK	Clark, Nevada, Ouachita	20 hr
Oct 9, 11:15 AM CDT	River Flood Advisory	LZK	Yell	20 hr
Oct 9, 11:31 AM CDT	Severe Thunderstorm Warning	LZK	Arkansas, Desha	29 min
Oct 9, 2:34 PM CDT	River Flood Advisory	LZK	Fulton, Sharp	16 hr
Oct 9, 2:34 PM CDT	River Flood Advisory	LZK	Lawrence, Randolph	16 hr

Nearby

Severe Thunderstorm Warnings in Arkansas, 2009 Every severe thunderstorm warning in 2009

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.