Alert archive / Kentucky / Flash Flood Warnings in 2017

Flash Flood Warning 21, NWS Charleston, WV

June 5, 2017Greenup County, Kentucky

NWS Charleston, WV issued this flash flood warning at Jun 5, 2017, 3:57 PM EDT for Greenup County, Kentucky. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 5, 2017, 3:57 PM EDT (19:57 UTC)
Expired
Jun 5, 2017, 6:00 PM EDT
In force
2 hr
Issued by
NWS Charleston, WV
Area
Storm-based polygon
Flood severity
None

County Greenup County, KY

The radar

The Cincinnati radar (KILN), 113 km from the middle of the area, began a volume at 19:58 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

Cncnati-Daytn, OH (KILN), launched 12:00Z, 8.0 hours before the alert went out and 113 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, Cncnati-Daytn, OH at 12:00Z on 2017-06-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 355 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, Cncnati-Daytn, OH at 12:00Z on 2017-06-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 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
355 J/kg
Mixed-layer CIN
-66 J/kg
Mixed-layer LCL
1109 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
12 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

218 
WGUS51 KRLX 051957
FFWRLX
KYC089-052200-
/O.NEW.KRLX.FF.W.0021.170605T1957Z-170605T2200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Charleston WV
357 PM EDT MON JUN 5 2017

The National Weather Service in Charleston West Virginia has issued a

* Flash Flood Warning for...
  Greenup County in northeastern Kentucky...

* Until 600 PM EDT

* At 356 PM EDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Up to two inches of rain have
  already fallen. Flash flooding is expected to begin shortly.

* Some locations that will experience flooding include...
  Portsmouth, Greenup, Load, Greenbo Lake, Oldtown, Letitia, Franklin
  Furnace, South Shore, Grays Branch, Sciotoville, South Portsmouth
  and Warnock.



PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Please report Severe Weather to the National Weather Service by
calling toll free, 800 401 9535, when you can do so safely.

You may also report severe weather by posting your report to the
Charleston West Virginia National Weather Service Facebook Page, or
by using the Twitter Hashtag, NWSRLX.

&&

LAT...LON 3864 8305 3866 8305 3868 8303 3870 8304
      3873 8302 3872 8298 3875 8292 3876 8289
      3873 8287 3869 8288 3866 8286 3855 8284
      3840 8287 3847 8305 3864 8307

$$

13
2 follow-up statements
273 
WGUS71 KRLX 052051
FFSRLX

Flash Flood Statement
National Weather Service Charleston WV
451 PM EDT MON JUN 5 2017

KYC089-052200-
/O.CON.KRLX.FF.W.0021.000000T0000Z-170605T2200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Greenup KY-
451 PM EDT MON JUN 5 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 600 PM EDT FOR
GREENUP COUNTY...

At 450 PM EDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Up to two inches of rain have already
fallen. Flash flooding is expected to begin shortly.

Some locations that will experience flooding include...
Portsmouth, Greenup, Load, Greenbo Lake, Oldtown, Letitia, Franklin
Furnace, South Shore, Grays Branch, Sciotoville, South Portsmouth and
Warnock.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Please report Severe Weather to the National Weather Service by
calling toll free, 800 401 9535, when you can do so safely.

You may also report severe weather by posting your report to the
Charleston West Virginia National Weather Service Facebook Page, or
by using the Twitter Hashtag, NWSRLX.

&&

LAT...LON 3864 8305 3866 8305 3868 8303 3870 8304
      3873 8302 3872 8298 3875 8292 3876 8289
      3873 8287 3869 8288 3866 8286 3855 8284
      3840 8287 3847 8305 3864 8307

$$

13
453 
WGUS71 KRLX 052151
FFSRLX

Flash Flood Statement
National Weather Service Charleston WV
551 PM EDT MON JUN 5 2017

KYC089-052200-
/O.EXP.KRLX.FF.W.0021.000000T0000Z-170605T2200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Greenup KY-
551 PM EDT MON JUN 5 2017

...THE FLASH FLOOD WARNING FOR GREENUP COUNTY WILL EXPIRE AT 600 PM
EDT...

Flooding is no longer expected to pose a threat. Please continue to 
heed any remaining road closures. Additional showers and 
thunderstorms may occur throughout the evening.

LAT...LON 3864 8305 3866 8305 3868 8303 3870 8304
      3873 8302 3872 8298 3875 8292 3876 8289
      3873 8287 3869 8288 3866 8286 3855 8284
      3840 8287 3847 8305 3864 8307

$$

13

The office that day

Everything else NWS Charleston, WV issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 5, 3:39 PM EDTSpecial Weather StatementRLXGreenup66 min
Jun 5, 6:27 PM EDTSpecial Weather StatementRLXBoyd, Carter, Greenup, Lawrence63 min

Nearby

Flash Flood Warnings in Kentucky, 2017Every flash flood warning in 2017

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.