Alert archive / Arkansas / Flash Flood Warnings in 2020

Flash Flood Warning 82, NWS Little Rock, AR

August 29, 2020Logan County, Scott County, Arkansas

NWS Little Rock, AR issued this flash flood warning at Aug 29, 2020, 6:27 PM CDT for Logan County, Scott County, Arkansas. It was in force for 4 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: Aug 29, 2020, 6:27 PM CDT (23:27 UTC)
Expired: Aug 29, 2020, 10:30 PM CDT
In force: 4 hr
Issued by: NWS Little Rock, AR
Area: Storm-based polygon
Flood severity: None

Counties Logan County, AR, Scott County, AR

The radar

The Western Arkansas radar (KSRX), 51 km from the middle of the area, began a volume at 23:30 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, 11.5 hours before the alert went out and 207 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: 1326 J/kg
Mixed-layer CIN: -69 J/kg
Mixed-layer LCL: 1347 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: 35 m²/s²
0-3 km storm-relative helicity: 65 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 Aug 29, 3:07 PM CDT, 3 hours 20 minutes earlier.

Area forecast discussion, Aug 29, 3:07 PM CDT, 3 hours 20 minutes before

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Hazardous weather outlook, Aug 29, 3:12 PM CDT, 3 hours 15 minutes before

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In the hours before

Special weather statement, Aug 29, 4:46 PM CDT, 1 hour 41 minutes before

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Local storm report, Aug 29, 4:56 PM CDT, 1 hour 31 minutes before

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Special weather statement, Aug 29, 5:06 PM CDT, 1 hour 21 minutes before

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Special weather statement, Aug 29, 5:27 PM CDT, 1 hour before

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Special weather statement, Aug 29, 5:36 PM CDT, 51 minutes before

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Special weather statement, Aug 29, 6:13 PM CDT, 14 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
Aug 29, 4:01 AM CDT	Flash Flood Watch	LZK	Baxter, Cleburne, Conway, Faulkner, Garland, Independence and 11 more	27 hr
Aug 29, 11:17 AM CDT	Excessive Heat Warning	LZK	Bradley, Calhoun, Clark, Cleveland, Conway, Dallas and 15 more	9 hr
Aug 29, 11:40 AM CDT	Special Weather Statement	LZK	Boone, Marion	50 min
Aug 29, 11:59 AM CDT	Severe Thunderstorm Warning	LZK	Baxter, Boone, Marion, Newton, Searcy	29 min
Aug 29, 12:29 PM CDT	Special Weather Statement	LZK	Baxter	46 min
Aug 29, 12:43 PM CDT	Special Weather Statement	LZK	Pope, Van Buren	47 min
Aug 29, 12:54 PM CDT	Special Weather Statement	LZK	Fulton	36 min
Aug 29, 1:16 PM CDT	Special Weather Statement	LZK	Faulkner	29 min
Aug 29, 1:21 PM CDT	Severe Thunderstorm Warning	LZK	Conway, Faulkner, Perry, Van Buren	39 min
Aug 29, 1:23 PM CDT	Severe Thunderstorm Warning	LZK	Fulton, Izard, Sharp	37 min
Aug 29, 1:56 PM CDT	Severe Thunderstorm Warning	LZK	Fulton, Independence, Izard, Lawrence, Randolph, Sharp	49 min
Aug 29, 1:58 PM CDT	Special Weather Statement	LZK	White	47 min
Aug 29, 2:29 PM CDT	Special Weather Statement	LZK	Faulkner, Lonoke, Pulaski, Saline	46 min
Aug 29, 2:37 PM CDT	Special Weather Statement	LZK	Jackson, Lawrence	38 min
Aug 29, 2:43 PM CDT	Severe Thunderstorm Warning	LZK	Independence, Jackson, Lawrence	47 min
Aug 29, 3:12 PM CDT	Special Weather Statement	LZK	Lonoke, Prairie, Pulaski, Saline	48 min
Aug 29, 3:16 PM CDT	Special Weather Statement	LZK	White, Woodruff	44 min
Aug 29, 3:57 PM CDT	Severe Thunderstorm Warning	LZK	Jefferson, Lonoke, Pulaski	33 min
Aug 29, 4:10 PM CDT	Special Weather Statement	LZK	Prairie	35 min
Aug 29, 4:28 PM CDT	Special Weather Statement	LZK	Jefferson	32 min
Aug 29, 4:46 PM CDT	Special Weather Statement	LZK	Monroe, Prairie	44 min
Aug 29, 5:06 PM CDT	Special Weather Statement	LZK	Arkansas, Lincoln	24 min
Aug 29, 5:27 PM CDT	Special Weather Statement	LZK	Arkansas, Desha	48 min
Aug 29, 5:36 PM CDT	Special Weather Statement	LZK	Logan	24 min
Aug 29, 5:42 PM CDT	Severe Thunderstorm Warning	LZK	Logan, Scott	33 min
Aug 29, 6:03 PM CDT	Severe Thunderstorm Warning	LZK	Logan, Scott	27 min
Aug 29, 6:13 PM CDT	Special Weather Statement	LZK	Desha	47 min
Aug 29, 6:29 PM CDT	Severe Thunderstorm Warning	LZK	Logan, Scott, Yell	46 min
Aug 29, 6:57 PM CDT	Special Weather Statement	LZK	Drew	48 min
Aug 29, 6:59 PM CDT	Special Weather Statement	LZK	Johnson	46 min

Nearby

Flash Flood Warnings in Arkansas, 2020 Every flash flood warning in 2020

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.