Alert archive / Arkansas / Flash Flood Warnings in 2021

Flash Flood Warning 46, NWS Little Rock, AR

May 27, 2021Fulton County, Sharp County, Arkansas

NWS Little Rock, AR issued this flash flood warning at May 27, 2021, 4:30 PM CDT for Fulton County, Sharp County, Arkansas. It was in force for 60 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
May 27, 2021, 4:30 PM CDT (21:30 UTC)
Expired
May 27, 2021, 5:30 PM CDT
In force
60 min
Issued by
NWS Little Rock, AR
Area
Storm-based polygon
Flood severity
None

Counties Fulton County, AR, Sharp County, AR

The radar

The Little Rock radar (KLZK), 167 km from the middle of the area, began a volume at 21:31 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 12:00Z, 9.5 hours before the alert went out and 208 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 12:00Z on 2021-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 295 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 12:00Z on 2021-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 69 square meters per square second.193958Sfc1 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
295 J/kg
Mixed-layer CIN
-229 J/kg
Mixed-layer LCL
964 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
69 m²/s²
0-3 km storm-relative helicity
160 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

As transmitted.

291 
WGUS54 KLZK 272130
FFWLZK
ARC049-135-272230-
/O.NEW.KLZK.FF.W.0046.210527T2130Z-210527T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Little Rock AR
430 PM CDT Thu May 27 2021

The National Weather Service in Little Rock has issued a

* Flash Flood Warning for...
  Southeastern Fulton County in north central Arkansas...
  Central Sharp County in north central Arkansas...

* Until 530 PM CDT.

* At 430 PM CDT, the public reported thunderstorms producing heavy 
  rain across the warned area. Flash flooding is ongoing or expected 
  to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Public.

  IMPACT...Flooding of small creeks and streams, urban areas,
           highways, streets and underpasses as well as other
           drainage and low lying areas.

* Some locations that will experience flash flooding include...
  Cherokee Village, Ash Flat, Horseshoe Bend, Highland in Sharp 
  County, Hardy, Ballard, Agnos, Kittle, Center, Heart, Sitka, 
  Glencoe and Morriston.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

&&

LAT...LON 3625 9169 3625 9180 3628 9181 3629 9180
      3632 9178 3634 9172 3633 9157 3632 9146
      3629 9144 3622 9140 3618 9139 3615 9142
      3615 9149 3615 9159 3617 9165 3618 9167
      3621 9167 3621 9169

FLASH FLOOD...OBSERVED
EXPECTED RAINFALL...1-1.5 INCHES IN 1 HOUR 

$$

Cavanaugh

The office that day

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

IssuedProductOfficeCountiesLasted
May 27, 3:07 PM CDTSpecial Weather StatementLZKFulton53 min
May 27, 3:43 PM CDTSpecial Weather StatementLZKFulton47 min
May 27, 3:47 PM CDTSpecial Weather StatementLZKIndependence43 min
May 27, 4:01 PM CDTSevere Thunderstorm WarningLZKFulton, Izard, Sharp44 min
May 27, 4:39 PM CDTSpecial Weather StatementLZKBoone, Marion51 min
May 27, 4:44 PM CDTSpecial Weather StatementLZKRandolph46 min
May 27, 5:14 PM CDTSpecial Weather StatementLZKLawrence46 min
May 27, 6:39 PM CDTSpecial Weather StatementLZKIndependence51 min

Nearby

Flash Flood Warnings in Arkansas, 2021Every flash flood warning in 2021

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.