Alert archive / Arkansas / Flash Flood Warnings in 2010

Flash Flood Warning 2, NWS Little Rock, AR

April 23, 20104 counties in Arkansas

NWS Little Rock, AR issued this flash flood warning at Apr 23, 2010, 4:18 PM CDT for 4 counties in Arkansas. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Apr 23, 2010, 4:18 PM CDT (21:18 UTC)
Expired: Apr 23, 2010, 7:15 PM CDT
In force: 3 hr
Issued by: NWS Little Rock, AR
Area: Storm-based polygon
Flood severity: None

Counties Cleburne County, AR, Conway County, AR, Faulkner County, AR, Van Buren County, AR

The radar

The Little Rock radar (KLZK), 62 km from the middle of the area, began a volume at 21:20 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, 9.3 hours before the alert went out and 211 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: 144 J/kg
Mixed-layer CIN: -173 J/kg
Mixed-layer LCL: 855 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 176 m²/s²
0-3 km storm-relative helicity: 139 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood 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 flash flood warning went out at Apr 23, 3:03 PM CDT, 1 hour 15 minutes earlier.

Area forecast discussion, Apr 23, 3:03 PM CDT, 1 hour 15 minutes before

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Hazardous weather outlook, Apr 23, 3:55 PM CDT, 23 minutes before

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In the hours before

Local storm report, Apr 23, 3:02 PM CDT, 1 hour 16 minutes before

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Local storm report, Apr 23, 3:04 PM CDT, 1 hour 14 minutes before

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Local storm report, Apr 23, 3:13 PM CDT, 1 hour 5 minutes before

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Special weather statement, Apr 23, 3:36 PM CDT, 42 minutes before

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Local storm report, Apr 23, 3:40 PM CDT, 38 minutes before

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Local storm report, Apr 23, 3:51 PM CDT, 27 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
Apr 23, 12:30 PM CDT	Severe Thunderstorm Warning	LZK	Conway, Faulkner, Perry, Pulaski, Saline	26 min
Apr 23, 12:49 PM CDT	Severe Thunderstorm Warning	LZK	Conway, Faulkner, Perry, Pulaski	26 min
Apr 23, 1:13 PM CDT	Severe Thunderstorm Warning	LZK	Montgomery, Pike, Polk	34 min
Apr 23, 1:21 PM CDT	Severe Thunderstorm Warning	LZK	Clark, Garland, Hot Spring, Montgomery, Pike	24 min
Apr 23, 1:37 PM CDT	Severe Thunderstorm Warning	LZK	Bradley, Calhoun, Ouachita	38 min
Apr 23, 1:45 PM CDT	Severe Thunderstorm Warning	LZK	Conway, Garland, Montgomery, Perry, Pope, Saline and 1 more	45 min
Apr 23, 2:09 PM CDT	Severe Thunderstorm Warning	LZK	Clark, Garland, Hot Spring, Saline	51 min
Apr 23, 2:17 PM CDT	Severe Thunderstorm Warning	LZK	Conway, Faulkner, Garland, Perry, Pulaski, Saline	43 min
Apr 23, 2:57 PM CDT	Severe Thunderstorm Warning	LZK	Cleburne, Conway, Faulkner, Perry, Van Buren	48 min
Apr 23, 2:59 PM CDT	Severe Thunderstorm Warning	LZK	Conway, Perry, Pope, Van Buren, Yell	46 min
Apr 23, 3:23 PM CDT	Tornado Warning	LZK	Conway, Perry, Pope, Van Buren, Yell	37 min
Apr 23, 3:45 PM CDT	Severe Thunderstorm Warning	LZK	Cleburne, Faulkner, Independence, Stone, Van Buren, White	45 min
Apr 23, 3:48 PM CDT	Severe Thunderstorm Warning	LZK	Calhoun, Cleveland, Dallas, Grant, Jefferson, Ouachita	42 min
Apr 23, 3:58 PM CDT	Severe Thunderstorm Warning	LZK	Cleburne, Conway, Faulkner, Stone, Van Buren	47 min
Apr 23, 4:29 PM CDT	Severe Thunderstorm Warning	LZK	Cleveland, Dallas, Grant, Jefferson, Lincoln	46 min
Apr 23, 4:30 PM CDT	Severe Thunderstorm Warning	LZK	Cleburne, Faulkner, Independence, Izard, Stone, Van Buren	45 min
Apr 23, 4:36 PM CDT	Severe Thunderstorm Warning	LZK	Cleburne, Independence, Jackson, Sharp, White	39 min
Apr 23, 5:08 PM CDT	Flash Flood Warning	LZK	Cleburne, Independence, Stone, Van Buren	3 hr
Apr 23, 5:15 PM CDT	Severe Thunderstorm Warning	LZK	Cleburne, Independence, Jackson, Sharp, Stone	45 min
Apr 23, 5:49 PM CDT	Flash Flood Warning	LZK	Independence, Jackson, Sharp	2 hr
Apr 23, 5:54 PM CDT	Severe Thunderstorm Warning	LZK	Independence, Jackson	36 min
Apr 23, 6:13 PM CDT	Severe Thunderstorm Warning	LZK	Lonoke, Prairie, White, Woodruff	47 min

Nearby

Flash Flood Warnings in Arkansas, 2010 Every flash flood warning in 2010

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.