Alert archive / Arkansas / Flash Flood Warnings in 2020

Flash Flood Warning 53, NWS Little Rock, AR

July 9, 2020Desha County, Arkansas

NWS Little Rock, AR issued this flash flood warning at Jul 9, 2020, 4:20 PM CDT for Desha County, Arkansas. It was in force for 2 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: Jul 9, 2020, 4:20 PM CDT (21:20 UTC)
Expired: Jul 9, 2020, 6:20 PM CDT
In force: 2 hr
Issued by: NWS Little Rock, AR
Area: Storm-based polygon
Flood severity: None

County Desha County, AR

The radar

The Little Rock radar (KLZK), 145 km from the middle of the area, began a volume at 21:24 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

Little Rock, AR (KLZK), launched 12:00Z, 9.3 hours before the alert went out and 163 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: 1479 J/kg
Mixed-layer CIN: -28 J/kg
Mixed-layer LCL: 949 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: 42 m²/s²
0-3 km storm-relative helicity: 18 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 Jul 9, 2:56 PM CDT, 1 hour 24 minutes earlier.

Area forecast discussion, Jul 9, 2:56 PM CDT, 1 hour 24 minutes before

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Hazardous weather outlook, Jul 9, 2:34 PM CDT, 1 hour 46 minutes before

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In the hours before

Special weather statement, Jul 9, 2:11 PM CDT, 2 hours 9 minutes before

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Local storm report, Jul 9, 2:20 PM CDT, 2 hours before

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Special weather statement, Jul 9, 2:32 PM CDT, 1 hour 48 minutes before

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Special weather statement, Jul 9, 2:32 PM CDT, 1 hour 48 minutes before

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Special weather statement, Jul 9, 3:09 PM CDT, 1 hour 11 minutes before

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Special weather statement, Jul 9, 4:05 PM 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
Jul 9, 10:20 AM CDT	Special Weather Statement	LZK	White	25 min
Jul 9, 11:35 AM CDT	Special Weather Statement	LZK	Lonoke	25 min
Jul 9, 11:45 AM CDT	Special Weather Statement	LZK	Baxter	30 min
Jul 9, 11:51 AM CDT	Severe Thunderstorm Warning	LZK	Johnson, Logan, Polk, Pope, Scott, Yell	39 min
Jul 9, 12:29 PM CDT	Severe Thunderstorm Warning	LZK	Logan, Montgomery, Polk, Scott, Yell	46 min
Jul 9, 12:32 PM CDT	Special Weather Statement	LZK	Yell	43 min
Jul 9, 12:51 PM CDT	Special Weather Statement	LZK	Searcy	39 min
Jul 9, 12:57 PM CDT	Severe Thunderstorm Warning	LZK	Conway, Garland, Logan, Montgomery, Perry, Pope and 3 more	48 min
Jul 9, 1:11 PM CDT	Special Weather Statement	LZK	Polk	49 min
Jul 9, 1:33 PM CDT	Severe Thunderstorm Warning	LZK	Lonoke, Prairie, Pulaski	42 min
Jul 9, 1:35 PM CDT	Special Weather Statement	LZK	Saline	40 min
Jul 9, 1:39 PM CDT	Severe Thunderstorm Warning	LZK	Conway, Faulkner, Garland, Perry, Pulaski, Saline	51 min
Jul 9, 2:03 PM CDT	Flash Flood Warning	LZK	Lonoke, Pulaski	114 min
Jul 9, 2:11 PM CDT	Special Weather Statement	LZK	Lonoke	49 min
Jul 9, 2:32 PM CDT	Special Weather Statement	LZK	White	43 min
Jul 9, 3:09 PM CDT	Special Weather Statement	LZK	Arkansas	51 min
Jul 9, 4:05 PM CDT	Special Weather Statement	LZK	Desha	40 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.