Alert archive / Arkansas / Flash Flood Warnings in 2019

Flash Flood Warning 6, NWS Little Rock, AR

February 11, 20196 counties in Arkansas

NWS Little Rock, AR issued this flash flood warning at Feb 11, 2019, 3:40 PM CST for 6 counties in 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: Feb 11, 2019, 3:40 PM CST (21:40 UTC)
Expired: Feb 11, 2019, 7:30 PM CST
In force: 4 hr
Issued by: NWS Little Rock, AR
Area: Storm-based polygon
Flood severity: None

Counties Cleburne County, AR, Conway County, AR, Faulkner County, AR, Izard County, AR, Stone County, AR, Van Buren County, AR

The radar

The Little Rock radar (KLZK), 83 km from the middle of the area, began a volume at 21:44 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 12:00Z, 9.7 hours before the alert went out and 227 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: 394 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 215 m²/s²
0-3 km storm-relative helicity: 215 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 Feb 11, 2:51 PM CST, 49 minutes earlier.

Area forecast discussion, Feb 11, 2:51 PM CST, 49 minutes before

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Hazardous weather outlook, Feb 11, 3:05 PM CST, 35 minutes before

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In the hours before

Local storm report, Feb 11, 11:31 AM CST, 4 hours 9 minutes before

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Local storm report, Feb 11, 12:00 PM CST, 3 hours 40 minutes before

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Local storm report, Feb 11, 12:15 PM CST, 3 hours 25 minutes before

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Local storm report, Feb 11, 12:17 PM CST, 3 hours 23 minutes before

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Local storm report, Feb 11, 12:42 PM CST, 2 hours 58 minutes before

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Local storm report, Feb 11, 2:54 PM CST, 46 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
Feb 11, 6:26 AM CST	Flash Flood Warning	LZK	Independence, Jackson, Lawrence, White, Woodruff	6 hr
Feb 11, 7:44 AM CST	Flash Flood Warning	LZK	Fulton, Independence, Izard, Lawrence, Randolph, Sharp	6 hr
Feb 11, 7:58 AM CST	River Flood Warning	LZK	Fulton, Sharp	26 hr
Feb 11, 8:01 AM CST	River Flood Warning	LZK	Lawrence, Randolph	50 hr
Feb 11, 8:03 AM CST	River Flood Warning	LZK	Yell	3 days
Feb 11, 8:05 AM CST	River Flood Warning	LZK	Perry	5 days
Feb 11, 9:06 AM CST	Flash Flood Warning	LZK	Cleburne, Conway, Faulkner, Lonoke, Perry, Pulaski and 2 more	11 hr
Feb 11, 9:30 AM CST	River Flood Warning	LZK	Calhoun, Ouachita	7 days
Feb 11, 9:36 AM CST	River Flood Warning	LZK	Bradley, Calhoun, Union	49 days
Feb 11, 9:39 AM CST	River Flood Warning	LZK	Saline	33 hr
Feb 11, 9:59 AM CST	Flash Flood Warning	LZK	Cleburne, Conway, Faulkner, Van Buren	6 hr
Feb 11, 10:24 AM CST	River Flood Warning	LZK	Independence	47 hr
Feb 11, 11:13 AM CST	River Flood Warning	LZK	White	46 hr
Feb 11, 11:33 AM CST	Flash Flood Warning	LZK	Baxter, Fulton, Izard, Stone	4 hr
Feb 11, 12:27 PM CST	Areal Flood Warning	LZK	Independence, Jackson, Lawrence, White, Woodruff	6 hr
Feb 11, 2:02 PM CST	Areal Flood Warning	LZK	Cleburne, Fulton, Independence, Izard, Lawrence, Randolph and 3 more	3 hr

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.