Alert archive / Arkansas / Flash Flood Warnings in 2013

Flash Flood Warning 87, NWS Little Rock, AR

October 2, 20134 counties in Arkansas

NWS Little Rock, AR issued this flash flood warning at Oct 2, 2013, 4:09 PM CDT for 4 counties in Arkansas. It was in force for 111 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
Oct 2, 2013, 4:09 PM CDT (21:09 UTC)
Expired
Oct 2, 2013, 6:00 PM CDT
In force
111 min
Issued by
NWS Little Rock, AR
Area
Storm-based polygon
Flood severity
None

Counties Arkansas County, AR, Jefferson County, AR, Lonoke County, AR, Prairie County, AR

The radar

The Little Rock radar (KLZK), 62 km from the middle of the area, began a volume at 21:12 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, 9.2 hours before the alert went out and 162 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-pSkew-T log-p diagram, Little Rock, AR at 12:00Z on 2013-10-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 827 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Little Rock, AR at 12:00Z on 2013-10-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -59 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
827 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
813 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
-59 m²/s²
0-3 km storm-relative helicity
-37 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

Everything else NWS Little Rock, AR issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 1, 7:04 PM CDTSpecial Weather StatementLZKBradley31 min
Oct 2, 1:31 PM CDTSpecial Weather StatementLZKPrairie29 min
Oct 2, 2:15 PM CDTSevere Thunderstorm WarningLZKWhite30 min
Oct 2, 2:23 PM CDTSevere Thunderstorm WarningLZKJefferson, Lonoke, Pulaski52 min
Oct 2, 2:27 PM CDTSpecial Weather StatementLZKLonoke43 min
Oct 2, 2:59 PM CDTSpecial Weather StatementLZKPulaski46 min
Oct 2, 3:11 PM CDTSpecial Weather StatementLZKLonoke29 min
Oct 2, 3:28 PM CDTSpecial Weather StatementLZKArkansas32 min

Nearby

Flash Flood Warnings in Arkansas, 2013Every flash flood warning in 2013

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.