Alert archive / Kentucky / Flash Flood Warnings in 2021

Flash Flood Warning 41, NWS Jackson, KY

July 9, 20216 counties in Kentucky

NWS Jackson, KY issued this flash flood warning at Jul 9, 2021, 3:58 AM EDT for 6 counties in Kentucky. It was in force for 3 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
Jul 9, 2021, 3:58 AM EDT (07:58 UTC)
Expired
Jul 9, 2021, 7:00 AM EDT
In force
3 hr
Issued by
NWS Jackson, KY
Area
Storm-based polygon
Flood severity
None

Counties Bath County, KY, Elliott County, KY, Menifee County, KY, Montgomery County, KY, Morgan County, KY, Rowan County, KY

The radar

The Jackson,KY radar (KJKL), 57 km from the middle of the area, began a volume at 08:01 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 00:00Z, 8.0 hours before the alert went out and 157 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 00:00Z on 2021-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 805 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 00:00Z on 2021-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 67 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
805 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
1069 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
67 m²/s²
0-3 km storm-relative helicity
72 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.8

Open this sounding in Storm Lab

The text

As transmitted.

285 
WGUS53 KJKL 090758
FFWJKL
KYC011-063-165-173-175-205-091100-
/O.NEW.KJKL.FF.W.0041.210709T0758Z-210709T1100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Jackson KY
358 AM EDT Fri Jul 9 2021

The National Weather Service in Jackson has issued a

* Flash Flood Warning for...
  Southeastern Bath County in east central Kentucky...
  Southwestern Elliott County in east central Kentucky...
  Northern Menifee County in east central Kentucky...
  Central Montgomery County in east central Kentucky...
  South Central Rowan County in east central Kentucky...
  Northern Morgan County in southeastern Kentucky...

* Until 700 AM EDT.

* At 358 AM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Up to 2 inches of rain have 
  fallen since 3 am. Flash flooding is ongoing or expected to begin 
  shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Doppler radar.

  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...
  Mount Sterling, West Liberty, Frenchburg, Jeffersonville, Camargo, 
  Scranton, Yale, Big Woods, Ratlitt, Zilpo, Dan, Bangor, Korea, 
  Young Springs, Ebon, Sudith, Paragon, Lick Fork, Kellacey and 
  Olympia Springs.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

&&

LAT...LON 3810 8328 3811 8315 3792 8307 3794 8344
      3797 8400 3799 8400 3800 8400 3800 8401
      3801 8401 3808 8406

FLASH FLOOD...RADAR INDICATED

$$

GEOGERIAN
2 follow-up statements
855 
WGUS73 KJKL 090828
FFSJKL

Flash Flood Statement
National Weather Service Jackson KY
428 AM EDT Fri Jul 9 2021

KYC011-063-165-173-175-205-091100-
/O.CON.KJKL.FF.W.0041.000000T0000Z-210709T1100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Bath KY-Elliott KY-Menifee KY-Montgomery KY-Morgan KY-Rowan KY-
428 AM EDT Fri Jul 9 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 7 AM EDT THIS MORNING 
FOR SOUTHEASTERN BATH, SOUTHWESTERN ELLIOTT, NORTHERN MENIFEE, 
CENTRAL MONTGOMERY, SOUTH CENTRAL ROWAN AND NORTHERN MORGAN 
COUNTIES...

At 428 AM EDT, Doppler radar indicated thunderstorms producing heavy 
rain across the warned area. Between 2 and 3 inches of rain have 
fallen since 3 am. Flash flooding is ongoing or expected to begin 
shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Doppler radar.

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...
  Mount Sterling, West Liberty, Frenchburg, Jeffersonville, Camargo, 
  Scranton, Yale, Big Woods, Ratlitt, Zilpo, Dan, Bangor, Korea, 
  Young Springs, Ebon, Sudith, Paragon, Lick Fork, Kellacey and 
  Olympia Springs.

Additional rainfall amounts up to 1 inch are expected in the warned 
area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

&&

LAT...LON 3810 8328 3811 8315 3792 8307 3794 8344
      3797 8400 3799 8400 3800 8400 3800 8401
      3801 8401 3808 8406

FLASH FLOOD...RADAR INDICATED

$$

GEOGERIAN
922 
WGUS73 KJKL 091052
FFSJKL

Flash Flood Statement
National Weather Service Jackson KY
652 AM EDT Fri Jul 9 2021

KYC011-063-165-173-175-205-091102-
/O.EXP.KJKL.FF.W.0041.000000T0000Z-210709T1100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Bath KY-Elliott KY-Menifee KY-Montgomery KY-Morgan KY-Rowan KY-
652 AM EDT Fri Jul 9 2021

...FLASH FLOOD WARNING WILL EXPIRE AT 7 AM EDT THIS MORNING FOR 
SOUTHEASTERN BATH, SOUTHWESTERN ELLIOTT, NORTHERN MENIFEE, CENTRAL 
MONTGOMERY, SOUTH CENTRAL ROWAN AND NORTHERN MORGAN COUNTIES...

Flood waters have receded. The heavy rain has ended. Please continue 
to heed remaining road closures.

LAT...LON 3810 8328 3811 8315 3792 8307 3794 8344
      3797 8400 3799 8400 3800 8400 3800 8401
      3801 8401 3808 8406

$$

GEOGERIAN

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 8, 9:46 PM EDTSpecial Weather StatementJKLMontgomery, Powell29 min
Jul 9, 2:11 AM EDTAreal Flood AdvisoryJKLFloyd, Magoffin, Pike3 hr
Jul 9, 2:14 AM EDTAreal Flood AdvisoryJKLMenifee, Montgomery, Morgan3 hr
Jul 9, 3:14 AM EDTAreal Flood AdvisoryJKLBath, Elliott, Menifee, Montgomery, Morgan, Rowan2 hr
Jul 9, 4:07 AM EDTAreal Flood AdvisoryJKLJohnson, Martin113 min
Jul 9, 4:15 AM EDTSpecial Weather StatementJKLJohnson, Martin45 min
Jul 9, 5:23 AM EDTAreal Flood AdvisoryJKLLaurel, Pulaski112 min
Jul 9, 5:57 AM EDTAreal Flood AdvisoryJKLJohnson, Magoffin, Martin, Morgan2 hr
Jul 9, 7:19 AM EDTAreal Flood AdvisoryJKLFloyd, Knott, Pike116 min

Nearby

Flash Flood Warnings in Kentucky, 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.