Alert archive / Kentucky / Flash Flood Warnings in 2018

Flash Flood Warning 39, NWS Jackson, KY

September 9, 2018Estill County, Kentucky

NWS Jackson, KY issued this flash flood warning at Sep 9, 2018, 5:27 PM EDT for Estill County, Kentucky. It was in force for 3 hr. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Sep 9, 2018, 5:27 PM EDT (21:27 UTC)
Expired
Sep 9, 2018, 7:57 PM EDT
In force
3 hr
Issued by
NWS Jackson, KY
Area
Storm-based polygon
Flood severity
None

County Estill County, KY

The radar

The Jackson,KY radar (KJKL), 58 km from the middle of the area, began a volume at 21:30 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.

What was reported inside it

TimeReportWhereRemark
Sep 9, 7:25 PM EDTFLASH FLOODRavenna, KYWATER FLOWING OVER SEVERAL ROADS...INCLUDING FITCHBURG ROAD EAST OF RAVENNA.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 9.5 hours before the alert went out and 191 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 2018-09-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4 joules per kilogram.LCLEL10008507005003002001001 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 2018-09-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 367 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
4 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
477 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
367 m²/s²
0-3 km storm-relative helicity
364 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

900 
WGUS53 KJKL 092127
FFWJKL
KYC065-100030-
/O.NEW.KJKL.FF.W.0039.180909T2127Z-180910T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service JACKSON KY
527 PM EDT SUN SEP 9 2018

The National Weather Service in JACKSON KY has issued a

* Flash Flood Warning for...
  Estill County in east central Kentucky...

* Until 830 PM EDT.

* At 526 PM EDT, emergency management reported ditches starting to 
  back up and debris flow reaching the roads in the area. Flash 
  flooding is expected to begin shortly.

* Some locations that will experience flooding include...
  Irvine, Ravenna, Sandhill, Willow Tree, Rice Station, Kings
  Station, Shade, Blackburn, Calloway Crossing, Wiseman Crossing
  Station, Jinks and Winston.

Additional rainfall amounts of one to two inches are possible in the 
warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Keep children away from storm drains, culverts, creeks and streams.
Water levels can rise rapidly and sweep children away.

&&

LAT...LON 3779 8395 3776 8391 3775 8387 3777 8384
      3775 8382 3776 8381 3773 8375 3759 8391
      3757 8409 3765 8413 3767 8409 3768 8410
      3770 8409 3781 8402

$$

GREIF
1 follow-up statement
189 
WGUS73 KJKL 092357
FFSJKL

Flash Flood Statement
National Weather Service JACKSON KY
757 PM EDT SUN SEP 9 2018

KYC065-100007-
/O.CAN.KJKL.FF.W.0039.000000T0000Z-180910T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Estill KY-
757 PM EDT SUN SEP 9 2018

...THE FLASH FLOOD WARNING FOR ESTILL COUNTY IS CANCELLED...

The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed any remaining road closures.

LAT...LON 3779 8395 3776 8391 3775 8387 3777 8384
      3775 8382 3776 8381 3773 8375 3759 8391
      3757 8409 3765 8413 3767 8409 3768 8410
      3770 8409 3781 8402

$$

GREIF

The office that day

Everything else NWS Jackson, KY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 8, 11:53 PM EDTAreal Flood AdvisoryJKLFleming6 hr
Sep 8, 11:58 PM EDTAreal Flood AdvisoryJKLBath, Fleming, Menifee, Montgomery, Rowan11 hr
Sep 9, 12:28 AM EDTSpecial Weather StatementJKLBath32 min
Sep 9, 12:30 AM EDTSpecial Weather StatementJKLMontgomery45 min
Sep 9, 12:51 AM EDTSpecial Weather StatementJKLFleming54 min
Sep 9, 1:08 AM EDTSpecial Weather StatementJKLMenifee37 min
Sep 9, 1:49 AM EDTAreal Flood AdvisoryJKLElliott, Fleming, Morgan, Rowan4 hr
Sep 9, 9:58 AM EDTFlash Flood WarningJKLBath, Montgomery3 hr
Sep 9, 11:00 AM EDTFlash Flood WarningJKLBath, Fleming, Montgomery, Rowan3 hr
Sep 9, 1:02 PM EDTAreal Flood WarningJKLBath, Montgomery3 hr
Sep 9, 1:25 PM EDTAreal Flood WarningJKLBath, Fleming3 hr
Sep 9, 1:59 PM EDTAreal Flood WarningJKLBath, Fleming, Montgomery, Rowan20 hr
Sep 9, 2:42 PM EDTFlash Flood WarningJKLBath, Menifee, Morgan, Rowan6 hr
Sep 9, 3:37 PM EDTAreal Flood WarningJKLMenifee, Montgomery, Powell3 hr
Sep 9, 3:59 PM EDTAreal Flood WarningJKLBath, Fleming, Montgomery18 hr
Sep 9, 4:56 PM EDTSpecial Weather StatementJKLMartin49 min
Sep 9, 5:09 PM EDTAreal Flood AdvisoryJKLEstill3 hr
Sep 9, 5:43 PM EDTFlash Flood WarningJKLMenifee, Powell, Wolfe3 hr
Sep 9, 6:49 PM EDTRiver Flood AdvisoryJKLEstill, Powell27 hr
Sep 9, 6:55 PM EDTFlash Flood WarningJKLEstill, Menifee, Montgomery, Powell3 hr

Nearby

Flash Flood Warnings in Kentucky, 2018Every flash flood warning in 2018

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.