Alert archive / Arkansas / Flash Flood Warnings in 2019

Flash Flood Warning 37, NWS Little Rock, AR

May 22, 20195 counties in Arkansas

NWS Little Rock, AR issued this flash flood warning at May 22, 2019, 4:11 AM CDT for 5 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 22, 2019, 4:11 AM CDT (09:11 UTC)
Expired: May 22, 2019, 7:15 AM CDT
In force: 3 hr
Issued by: NWS Little Rock, AR
Area: Storm-based polygon
Flood severity: None

Counties Cleveland County, AR, Dallas County, AR, Grant County, AR, Jefferson County, AR, Lonoke County, AR

The radar

The Little Rock radar (KLZK), 67 km from the middle of the area, began a volume at 09:14 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 (KBYH), launched 00:00Z, 9.2 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1086 m above ground
0-6 km bulk shear: 75 kt
0-1 km storm-relative helicity: 40 m²/s²
0-3 km storm-relative helicity: 268 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.7

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 22, 4:01 AM CDT, 10 minutes earlier.

Area forecast discussion, May 22, 4:01 AM CDT, 10 minutes before

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Hazardous weather outlook, May 21, 11:56 PM CDT, 4 hours 15 minutes before

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In the hours before

Special weather statement, May 22, 3:14 AM CDT, 57 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 21, 10:53 PM CDT	River Flood Warning	LZK	Pope, Yell	18 days
May 21, 10:53 PM CDT	River Flood Warning	LZK	Conway, Perry	22 days
May 21, 10:53 PM CDT	River Flood Warning	LZK	Faulkner, Perry	21 days
May 21, 11:38 PM CDT	River Flood Warning	LZK	Jefferson, Lincoln	23 days
May 22, 3:14 AM CDT	Special Weather Statement	LZK	Monroe	16 min
May 22, 7:11 AM CDT	Flash Flood Warning	LZK	Arkansas, Jefferson, Lonoke, Monroe, Prairie, Woodruff	3 hr
May 22, 10:08 AM CDT	River Flood Advisory	LZK	Pulaski	36 hr
May 22, 11:11 AM CDT	River Flood Warning	LZK	Arkansas, Desha, Lincoln	23 days

Nearby

Flash Flood Warnings in Arkansas, 2019 Every flash flood warning in 2019

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.