Alert archive / Arkansas / Flash Flood Warnings in 2020

Flash Flood Warning 22, NWS Little Rock, AR

May 16, 20206 counties in Arkansas

NWS Little Rock, AR issued this flash flood warning at May 16, 2020, 11:46 PM CDT for 6 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: May 16, 2020, 11:46 PM CDT (04:46 UTC)
Expired: May 17, 2020, 2:45 AM CDT
In force: 3 hr
Issued by: NWS Little Rock, AR
Area: Storm-based polygon
Flood severity: None

Counties Clark County, AR, Dallas County, AR, Garland County, AR, Grant County, AR, Hot Spring County, AR, Saline County, AR

The radar

The Little Rock radar (KLZK), 79 km from the middle of the area, began a volume at 04:49 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 (KSHV), launched 00:00Z, 4.8 hours before the alert went out and 220 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: 81 J/kg
Mixed-layer CIN: -18 J/kg
Mixed-layer LCL: 991 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 97 m²/s²
0-3 km storm-relative helicity: 98 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 16, 6:46 PM CDT, 5 hours earlier.

Area forecast discussion, May 16, 6:46 PM CDT, 5 hours before

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Hazardous weather outlook, May 16, 3:05 PM CDT, 8 hours 41 minutes before

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In the hours before

Local storm report, May 16, 9:41 PM CDT, 2 hours 5 minutes before

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Local storm report, May 16, 9:44 PM CDT, 2 hours 2 minutes before

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Local storm report, May 16, 9:49 PM CDT, 1 hour 57 minutes before

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Local storm report, May 16, 9:53 PM CDT, 1 hour 53 minutes before

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Local storm report, May 16, 9:54 PM CDT, 1 hour 52 minutes before

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Local storm report, May 16, 11:16 PM CDT, 30 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 16, 7:08 PM CDT	Flash Flood Warning	LZK	Cleburne, Stone, Van Buren	3 hr
May 16, 7:30 PM CDT	Severe Thunderstorm Warning	LZK	Clark, Garland, Hot Spring, Montgomery, Pike	35 min
May 16, 7:38 PM CDT	Special Weather Statement	LZK	Cleveland	52 min
May 16, 8:11 PM CDT	Flash Flood Warning	LZK	Clark, Garland, Hot Spring, Montgomery, Pike	3 hr
May 16, 8:31 PM CDT	Severe Thunderstorm Warning	LZK	Calhoun, Ouachita	16 min
May 16, 8:38 PM CDT	River Flood Warning	LZK	Yell	34 hr
May 16, 8:38 PM CDT	River Flood Warning	LZK	Perry	5 days
May 16, 10:05 PM CDT	Flash Flood Warning	LZK	Calhoun, Dallas, Ouachita	3 hr
May 16, 10:20 PM CDT	Flash Flood Warning	LZK	Garland, Hot Spring, Logan, Montgomery, Polk, Scott and 1 more	3 hr
May 16, 11:08 PM CDT	Flash Flood Warning	LZK	Hot Spring	6 hr
May 17, 2:10 AM CDT	Special Weather Statement	LZK	Lonoke	50 min
May 17, 7:42 AM CDT	River Flood Warning	LZK	Clark, Hot Spring	23 hr
May 17, 9:02 AM CDT	River Flood Advisory	LZK	Conway, Perry	25 hr
May 17, 9:10 AM CDT	River Flood Warning	LZK	Izard, Stone	52 hr
May 17, 9:10 AM CDT	River Flood Warning	LZK	Independence	4 days
May 17, 9:12 AM CDT	River Flood Warning	LZK	Fulton, Sharp	21 hr
May 17, 10:21 AM CDT	River Flood Warning	LZK	Prairie, White, Woodruff	21 days
May 17, 10:58 AM CDT	River Flood Warning	LZK	Calhoun, Ouachita	18 days
May 17, 10:58 AM CDT	River Flood Warning	LZK	Bradley, Calhoun, Union	29 days
May 17, 11:03 AM CDT	River Flood Warning	LZK	Clark, Nevada, Ouachita	23 hr

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.