Alert archive / Arkansas / Flash Flood Warnings in 2008

Flash Flood Warning 85, NWS Little Rock, AR

May 2, 2008Desha County, Drew County, Arkansas

NWS Little Rock, AR issued this flash flood warning at May 2, 2008, 11:24 PM CDT for Desha County, Drew 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: May 2, 2008, 11:24 PM CDT (04:24 UTC)
Expired: May 3, 2008, 2:30 AM CDT
In force: 3 hr
Issued by: NWS Little Rock, AR
Area: Storm-based polygon
Flood severity: None

Counties Desha County, AR, Drew County, AR

The radar

The Little Rock radar (KLZK), 144 km from the middle of the area, began a volume at 04:24 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 (KLZK), launched 00:00Z, 4.4 hours before the alert went out and 188 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: 2053 m above ground
0-6 km bulk shear: 66 kt
0-1 km storm-relative helicity: 50 m²/s²
0-3 km storm-relative helicity: 250 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 May 2, 6:30 PM CDT, 4 hours 54 minutes earlier.

Area forecast discussion, May 2, 6:30 PM CDT, 4 hours 54 minutes before

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Hazardous weather outlook, May 2, 4:45 PM CDT, 6 hours 39 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 2, 7:40 PM CDT	Severe Thunderstorm Warning	LZK	Desha	65 min
May 2, 8:01 PM CDT	Severe Thunderstorm Warning	LZK	Desha, Drew	44 min
May 2, 8:12 PM CDT	Flash Flood Warning	LZK	Desha, Drew	63 min
May 2, 9:09 PM CDT	Severe Thunderstorm Warning	LZK	Desha	36 min
May 2, 10:39 PM CDT	Severe Thunderstorm Warning	LZK	Bradley	36 min
May 2, 10:54 PM CDT	Severe Thunderstorm Warning	LZK	Drew	51 min

Nearby

Flash Flood Warnings in Arkansas, 2008 Every flash flood warning in 2008

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.