Alert archive / Arkansas / Flash Flood Warnings in 2018

Flash Flood Warning 102, NWS Little Rock, AR

August 17, 2018Faulkner County, Van Buren County, Arkansas

NWS Little Rock, AR issued this flash flood warning at Aug 17, 2018, 8:30 AM CDT for Faulkner County, Van Buren County, 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: Aug 17, 2018, 8:30 AM CDT (13:30 UTC)
Expired: Aug 17, 2018, 11:30 AM CDT
In force: 3 hr
Issued by: NWS Little Rock, AR
Area: Storm-based polygon
Flood severity: None

Counties Faulkner County, AR, Van Buren County, AR

The radar

The Little Rock radar (KLZK), 60 km from the middle of the area, began a volume at 13:29 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, 1.5 hours before the alert went out and 211 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: 52 J/kg
Mixed-layer CIN: -247 J/kg
Mixed-layer LCL: 1481 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 72 m²/s²
0-3 km storm-relative helicity: 103 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 17, 6:46 AM CDT, 1 hour 44 minutes earlier.

Area forecast discussion, Aug 17, 6:46 AM CDT, 1 hour 44 minutes before

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Hazardous weather outlook, Aug 17, 4:28 AM CDT, 4 hours 2 minutes before

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In the hours before

Special weather statement, Aug 17, 4:27 AM CDT, 4 hours 3 minutes before

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Special weather statement, Aug 17, 5:00 AM CDT, 3 hours 30 minutes before

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Special weather statement, Aug 17, 5:03 AM CDT, 3 hours 27 minutes before

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Special weather statement, Aug 17, 5:55 AM CDT, 2 hours 35 minutes before

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Special weather statement, Aug 17, 6:17 AM CDT, 2 hours 13 minutes before

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Special weather statement, Aug 17, 7:17 AM CDT, 1 hour 13 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 16, 7:08 PM CDT	Special Weather Statement	LZK	Logan	37 min
Aug 16, 7:17 PM CDT	Severe Thunderstorm Warning	LZK	Johnson, Logan	43 min
Aug 16, 8:00 PM CDT	Severe Thunderstorm Warning	LZK	Johnson, Pope	20 min
Aug 16, 8:38 PM CDT	Special Weather Statement	LZK	Marion	52 min
Aug 16, 10:04 PM CDT	Special Weather Statement	LZK	Pope	41 min
Aug 16, 10:09 PM CDT	Special Weather Statement	LZK	Fulton	51 min
Aug 16, 10:21 PM CDT	Flash Flood Warning	LZK	Baxter, Fulton, Izard	3 hr
Aug 16, 10:40 PM CDT	Special Weather Statement	LZK	Searcy	50 min
Aug 16, 10:43 PM CDT	Special Weather Statement	LZK	Pope	47 min
Aug 16, 10:58 PM CDT	Special Weather Statement	LZK	Marion	47 min
Aug 16, 10:59 PM CDT	Special Weather Statement	LZK	Conway	31 min
Aug 16, 11:02 PM CDT	Special Weather Statement	LZK	Sharp	43 min
Aug 16, 11:19 PM CDT	Special Weather Statement	LZK	Cleburne	41 min
Aug 16, 11:24 PM CDT	Special Weather Statement	LZK	Independence	51 min
Aug 16, 11:31 PM CDT	Flash Flood Warning	LZK	Fulton, Sharp	3 hr
Aug 16, 11:34 PM CDT	Special Weather Statement	LZK	Izard	26 min
Aug 16, 11:37 PM CDT	Special Weather Statement	LZK	Stone	23 min
Aug 17, 1:08 AM CDT	Special Weather Statement	LZK	Jackson	22 min
Aug 17, 1:31 AM CDT	Special Weather Statement	LZK	Pope	44 min
Aug 17, 2:21 AM CDT	Special Weather Statement	LZK	Pope	24 min
Aug 17, 4:25 AM CDT	Special Weather Statement	LZK	Lonoke	35 min
Aug 17, 4:27 AM CDT	Special Weather Statement	LZK	Van Buren	18 min
Aug 17, 5:00 AM CDT	Special Weather Statement	LZK	Conway	30 min
Aug 17, 5:03 AM CDT	Special Weather Statement	LZK	Arkansas	42 min
Aug 17, 5:55 AM CDT	Special Weather Statement	LZK	Faulkner	20 min
Aug 17, 6:17 AM CDT	Special Weather Statement	LZK	Faulkner	43 min
Aug 17, 7:17 AM CDT	Special Weather Statement	LZK	Faulkner	43 min
Aug 17, 8:10 AM CDT	Areal Flood Warning	LZK	Conway, Faulkner, Van Buren	3 hr
Aug 17, 1:02 PM CDT	Special Weather Statement	LZK	Jefferson	43 min
Aug 17, 1:36 PM CDT	Severe Thunderstorm Warning	LZK	Arkansas, Cleveland, Jefferson, Lincoln	39 min
Aug 17, 1:56 PM CDT	Special Weather Statement	LZK	Dallas	34 min
Aug 17, 2:07 PM CDT	Special Weather Statement	LZK	Polk	23 min
Aug 17, 2:29 PM CDT	Special Weather Statement	LZK	Polk	31 min
Aug 17, 2:32 PM CDT	Special Weather Statement	LZK	Polk	28 min
Aug 17, 3:09 PM CDT	Special Weather Statement	LZK	Ouachita	36 min

Nearby

Flash Flood Warnings in Arkansas, 2018 Every flash flood warning in 2018

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.