Alert archive / Arkansas / Flash Flood Warnings in 2015

Flash Flood Warning 93, NWS Little Rock, AR

July 21, 2015Fulton County, Izard County, Sharp County, Arkansas

NWS Little Rock, AR issued this flash flood warning at Jul 21, 2015, 8:16 PM CDT for Fulton County, Izard County, Sharp County, Arkansas. It was in force for 89 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 21, 2015, 8:16 PM CDT (01:16 UTC)
Expired: Jul 21, 2015, 9:45 PM CDT
In force: 89 min
Issued by: NWS Little Rock, AR
Area: Storm-based polygon
Flood severity: None

Counties Fulton County, AR, Izard County, AR, Sharp County, AR

The radar

The Little Rock radar (KLZK), 160 km from the middle of the area, began a volume at 01:19 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, 1.3 hours before the alert went out and 223 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: 1076 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 1468 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 52 m²/s²
0-3 km storm-relative helicity: 95 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.5

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 Jul 21, 6:48 PM CDT, 1 hour 28 minutes earlier.

Area forecast discussion, Jul 21, 6:48 PM CDT, 1 hour 28 minutes before

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Hazardous weather outlook, Jul 21, 5:00 AM CDT, 15 hours 16 minutes before

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In the hours before

Special weather statement, Jul 21, 3:33 PM CDT, 4 hours 43 minutes before

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Special weather statement, Jul 21, 6:20 PM CDT, 1 hour 56 minutes before

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Special weather statement, Jul 21, 6:27 PM CDT, 1 hour 49 minutes before

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Special weather statement, Jul 21, 6:41 PM CDT, 1 hour 35 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
Jul 21, 9:19 PM CDT	Special Weather Statement	LZK	Jackson	26 min
Jul 21, 11:20 PM CDT	Special Weather Statement	LZK	Johnson	40 min
Jul 22, 2:15 AM CDT	Flash Flood Watch	LZK	Baxter, Fulton, Independence, Izard, Jackson, Marion and 2 more	35 hr
Jul 22, 2:29 PM CDT	Severe Thunderstorm Warning	LZK	Desha	46 min
Jul 22, 4:28 PM CDT	Special Weather Statement	LZK	Faulkner	47 min
Jul 22, 4:29 PM CDT	Special Weather Statement	LZK	Arkansas	31 min
Jul 22, 4:48 PM CDT	Special Weather Statement	LZK	Cleveland	42 min
Jul 22, 6:19 PM CDT	Special Weather Statement	LZK	White, Woodruff	41 min
Jul 22, 6:40 PM CDT	Special Weather Statement	LZK	Jackson	20 min
Jul 22, 6:47 PM CDT	Severe Thunderstorm Warning	LZK	Jackson, Woodruff	28 min

Nearby

Flash Flood Warnings in Arkansas, 2015 Every flash flood warning in 2015

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.