Alert archive / Arkansas / Flash Flood Warnings in 2023

Flash Flood Warning 97, NWS Little Rock, AR

July 14, 2023Polk County, Arkansas

NWS Little Rock, AR issued this flash flood warning at Jul 14, 2023, 5:57 AM CDT for Polk County, Arkansas. It was in force for 118 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 14, 2023, 5:57 AM CDT (10:57 UTC)
Expired
Jul 14, 2023, 7:55 AM CDT
In force
118 min
Issued by
NWS Little Rock, AR
Area
Storm-based polygon
Flood severity
None

County Polk County, AR

The radar

The Western Arkansas radar (KSRX), 90 km from the middle of the area, began a volume at 10:59 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, 11.0 hours before the alert went out and 271 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, Springfield, MO at 00:00Z on 2023-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1841 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, Springfield, MO at 00:00Z on 2023-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -8 square meters per square second.19395878Sfc1 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
1841 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
1649 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
-8 m²/s²
0-3 km storm-relative helicity
49 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 13, 7:17 PM CDTFlash Flood WarningLZKRandolph5 hr
Jul 13, 7:44 PM CDTSpecial Weather StatementLZKSharp31 min
Jul 13, 7:54 PM CDTSevere Thunderstorm WarningLZKLawrence, Randolph, Sharp36 min
Jul 13, 8:30 PM CDTFlash Flood WarningLZKFulton, Sharp4 hr
Jul 14, 3:46 AM CDTSevere Thunderstorm WarningLZKLogan, Scott59 min
Jul 14, 4:09 AM CDTFlash Flood WarningLZKLogan, Scott3 hr
Jul 14, 4:13 AM CDTSevere Thunderstorm Warning Considerable damage threatLZKScott42 min
Jul 14, 4:34 AM CDTFlash Flood WarningLZKPolk, Scott3 hr
Jul 14, 5:05 AM CDTSpecial Weather StatementLZKMarion40 min
Jul 14, 5:22 AM CDTSevere Thunderstorm WarningLZKBoone, Marion38 min
Jul 14, 5:54 AM CDTSpecial Weather StatementLZKPolk36 min
Jul 14, 5:58 AM CDTSpecial Weather StatementLZKBaxter32 min
Jul 14, 6:17 AM CDTSpecial Weather StatementLZKBaxter28 min
Jul 14, 6:24 AM CDTSpecial Weather StatementLZKSharp36 min
Jul 14, 6:53 AM CDTSpecial Weather StatementLZKHot Spring37 min
Jul 14, 7:00 AM CDTSpecial Weather StatementLZKLawrence45 min
Jul 14, 7:25 AM CDTSpecial Weather StatementLZKFulton50 min
Jul 14, 7:45 AM CDTSpecial Weather StatementLZKLawrence15 min
Jul 14, 7:49 AM CDTSpecial Weather StatementLZKGrant26 min
Jul 14, 8:13 AM CDTSpecial Weather StatementLZKGrant32 min

Nearby

Flash Flood Warnings in Arkansas, 2023Every flash flood warning in 2023

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.