Alert archive / Arkansas / Flash Flood Warnings in 2015

Flash Flood Warning 25, NWS Little Rock, AR

May 11, 2015Hot Spring County, Arkansas

NWS Little Rock, AR issued this flash flood warning at May 11, 2015, 8:28 AM CDT for Hot Spring County, Arkansas. It was in force for 6 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: May 11, 2015, 8:28 AM CDT (13:28 UTC)
Expired: May 11, 2015, 2:30 PM CDT
In force: 6 hr
Issued by: NWS Little Rock, AR
Area: Storm-based polygon
Flood severity: None

County Hot Spring County, AR

The radar

The Little Rock radar (KLZK), 85 km from the middle of the area, began a volume at 13:28 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 12:00Z, 1.5 hours before the alert went out and 218 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: 2 J/kg
Mixed-layer CIN: -400 J/kg
Mixed-layer LCL: 1241 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 22 m²/s²
0-3 km storm-relative helicity: -47 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 May 11, 8:10 AM CDT, 18 minutes earlier.

Area forecast discussion, May 11, 8:10 AM CDT, 18 minutes before

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Hazardous weather outlook, May 11, 5:00 AM CDT, 3 hours 28 minutes before

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In the hours before

Special weather statement, May 11, 3:02 AM CDT, 5 hours 26 minutes before

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Local storm report, May 11, 3:49 AM CDT, 4 hours 39 minutes before

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Special weather statement, May 11, 3:53 AM CDT, 4 hours 35 minutes before

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Local storm report, May 11, 3:57 AM CDT, 4 hours 31 minutes before

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Local storm report, May 11, 4:02 AM CDT, 4 hours 26 minutes before

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Local storm report, May 11, 4:23 AM CDT, 4 hours 5 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
May 10, 7:57 PM CDT	Special Weather Statement	LZK	Scott	28 min
May 10, 8:07 PM CDT	Special Weather Statement	LZK	Polk	28 min
May 10, 8:23 PM CDT	Severe Thunderstorm Warning	LZK	Polk	37 min
May 10, 8:55 PM CDT	Flash Flood Warning	LZK	Garland, Johnson, Logan, Montgomery, Newton, Perry and 4 more	3 hr
May 10, 9:00 PM CDT	Special Weather Statement	LZK	Yell	30 min
May 10, 9:19 PM CDT	River Flood Warning	LZK	Perry	35 days
May 10, 9:26 PM CDT	River Flood Warning	LZK	Conway, Perry	5 days
May 10, 9:26 PM CDT	River Flood Warning	LZK	Faulkner, Perry	4 days
May 10, 9:37 PM CDT	Special Weather Statement	LZK	Montgomery	28 min
May 10, 9:54 PM CDT	Tornado Warning	LZK	Montgomery, Polk, Scott, Yell	36 min
May 10, 10:27 PM CDT	Severe Thunderstorm Warning	LZK	Yell	33 min
May 10, 10:31 PM CDT	Severe Thunderstorm Warning	LZK	Pope, Van Buren	33 min
May 10, 10:35 PM CDT	Severe Thunderstorm Warning	LZK	Montgomery, Polk, Scott	40 min
May 10, 11:10 PM CDT	Severe Thunderstorm Warning	LZK	Logan, Montgomery, Polk, Scott, Yell	50 min
May 10, 11:29 PM CDT	Special Weather Statement	LZK	Pike	31 min
May 10, 11:30 PM CDT	Special Weather Statement	LZK	Van Buren	45 min
May 10, 11:59 PM CDT	Flash Flood Warning	LZK	Johnson, Logan, Montgomery, Newton, Polk, Pope and 3 more	3 hr
May 11, 12:59 AM CDT	Special Weather Statement	LZK	Cleburne, Faulkner, Lonoke, Pulaski, White	46 min
May 11, 2:03 AM CDT	River Flood Warning	LZK	Yell	35 hr
May 11, 2:19 AM CDT	Flash Flood Warning	LZK	Clark, Montgomery, Pike	3 hr
May 11, 3:02 AM CDT	Special Weather Statement	LZK	Faulkner, Lonoke, Pulaski, White	43 min
May 11, 3:06 AM CDT	Flash Flood Warning	LZK	Clark, Faulkner, Garland, Grant, Hot Spring, Perry and 2 more	3 hr
May 11, 3:53 AM CDT	Special Weather Statement	LZK	Jefferson, Lincoln	47 min
May 11, 8:43 AM CDT	River Flood Warning	LZK	Clark, Hot Spring	68 hr
May 11, 8:46 AM CDT	River Flood Warning	LZK	Clark, Nevada, Ouachita	3 days
May 11, 8:48 AM CDT	River Flood Warning	LZK	Saline	49 hr
May 11, 9:41 AM CDT	Flash Flood Warning	LZK	Hot Spring	6 hr
May 11, 10:34 AM CDT	River Flood Warning	LZK	Independence, Jackson, Lawrence	18 days
May 11, 10:37 AM CDT	River Flood Warning	LZK	Independence	68 hr
May 11, 11:08 AM CDT	River Flood Warning	LZK	Arkansas, Desha, Lincoln	5 days
May 11, 11:17 AM CDT	River Flood Warning	LZK	Searcy	35 hr
May 11, 3:40 PM CDT	Flash Flood Warning	LZK	Hot Spring	2 hr

Nearby

Flash Flood Warnings in Arkansas, 2015 Every flash flood warning in 2015

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.