Alert archive / Arkansas / Flash Flood Warnings in 2018

Flash Flood Warning 67, NWS Little Rock, AR

June 1, 20185 counties in Arkansas

NWS Little Rock, AR issued this flash flood warning at Jun 1, 2018, 3:56 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: Jun 1, 2018, 3:56 AM CDT (08:56 UTC)
Expired: Jun 1, 2018, 7:00 AM CDT
In force: 3 hr
Issued by: NWS Little Rock, AR
Area: Storm-based polygon
Flood severity: None

Counties Baxter County, AR, Izard County, AR, Marion County, AR, Searcy County, AR, Stone County, AR

The radar

The Little Rock radar (KLZK), 139 km from the middle of the area, began a volume at 08:59 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 00:00Z, 8.9 hours before the alert went out and 158 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: 2032 J/kg
Mixed-layer CIN: -20 J/kg
Mixed-layer LCL: 1085 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 21 m²/s²
0-3 km storm-relative helicity: 150 m²/s²
Significant tornado parameter: 0.9
Supercell composite: 7.3

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 Jun 1, 3:39 AM CDT, 17 minutes earlier.

Area forecast discussion, Jun 1, 3:39 AM CDT, 17 minutes before

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Hazardous weather outlook, Jun 1, 1:58 AM CDT, 1 hour 58 minutes before

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In the hours before

Local storm report, May 31, 10:08 PM CDT, 5 hours 48 minutes before

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Local storm report, May 31, 10:10 PM CDT, 5 hours 46 minutes before

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Local storm report, May 31, 10:16 PM CDT, 5 hours 40 minutes before

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Local storm report, Jun 1, 1:02 AM CDT, 2 hours 54 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 31, 8:32 PM CDT	Severe Thunderstorm Warning	LZK	Baxter, Fulton	43 min
May 31, 9:14 PM CDT	Severe Thunderstorm Warning	LZK	Fulton, Sharp	46 min
May 31, 9:33 PM CDT	Tornado Warning	LZK	Fulton, Sharp	27 min
May 31, 9:56 PM CDT	Severe Thunderstorm Warning	LZK	Fulton, Sharp	34 min
May 31, 10:13 PM CDT	Severe Thunderstorm Warning	LZK	Baxter, Fulton, Izard	32 min
May 31, 10:43 PM CDT	Severe Thunderstorm Warning	LZK	Baxter, Fulton, Izard, Sharp, Stone	47 min
May 31, 11:22 PM CDT	Severe Thunderstorm Warning	LZK	Baxter, Izard, Marion, Stone	38 min
May 31, 11:26 PM CDT	Severe Thunderstorm Warning	LZK	Newton, Searcy	49 min
Jun 1, 12:14 AM CDT	Severe Thunderstorm Warning	LZK	Newton, Pope, Searcy, Van Buren	31 min
Jun 1, 12:41 AM CDT	Flash Flood Warning	LZK	Newton, Searcy	3 hr
Jun 1, 12:54 AM CDT	Severe Thunderstorm Warning	LZK	Newton, Pope, Searcy, Van Buren	51 min
Jun 1, 1:06 AM CDT	Severe Thunderstorm Warning	LZK	Independence, Izard, Sharp, Stone	39 min
Jun 1, 5:25 AM CDT	Flash Flood Warning	LZK	Cleburne, Independence, Stone, Van Buren, White	3 hr
Jun 1, 8:43 AM CDT	Flash Flood Warning	LZK	Searcy, Van Buren	3 hr
Jun 1, 3:13 PM CDT	Special Weather Statement	LZK	Prairie	32 min
Jun 1, 5:04 PM CDT	Special Weather Statement	LZK	Arkansas	26 min
Jun 1, 6:05 PM CDT	Special Weather Statement	LZK	Prairie	40 min
Jun 1, 6:09 PM CDT	Special Weather Statement	LZK	Desha	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.