Alert archive / Kentucky / Flash Flood Warnings in 2021

Flash Flood Warning 64, NWS Jackson, KY

August 30, 2021Pike County, Kentucky

NWS Jackson, KY issued this flash flood warning at Aug 30, 2021, 10:11 AM EDT for Pike County, Kentucky. It was in force for 4 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
Aug 30, 2021, 10:11 AM EDT (14:11 UTC)
Expired
Aug 30, 2021, 2:30 PM EDT
In force
4 hr
Issued by
NWS Jackson, KY
Area
Storm-based polygon
Flood severity
None

County Pike County, KY

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 2.2 hours before the alert went out and 234 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, Roanoke, VA at 12:00Z on 2021-08-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 747 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, Roanoke, VA at 12:00Z on 2021-08-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 square meters per square second.1939Sfc1 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
747 J/kg
Mixed-layer CIN
-69 J/kg
Mixed-layer LCL
804 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
94 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

288 
WGUS53 KJKL 301411
FFWJKL
KYC195-301715-
/O.NEW.KJKL.FF.W.0064.210830T1411Z-210830T1715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Jackson KY
1011 AM EDT Mon Aug 30 2021

The National Weather Service in Jackson has issued a

* Flash Flood Warning for...
  Northeastern Pike County in southeastern Kentucky...

* Until 115 PM EDT.

* At 1011 AM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 and 2 inches of rain 
  have fallen. Additional rainfall amounts of 1 to 2 inches are 
  possible in the warned area. Flash flooding is ongoing or expected 
  to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Majestic, Jamboree, Phelps, Argo, Woodman, Board Tree and Paw Paw.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be aware of your surroundings and do not drive on flooded roads.

&&

LAT...LON 3742 8214 3762 8219 3762 8217 3761 8217
      3761 8216 3759 8216 3759 8213 3758 8212
      3757 8214 3756 8214 3755 8213 3756 8212
      3755 8210 3756 8208 3754 8206 3753 8205
      3755 8204 3753 8201 3754 8200 3754 8197

FLASH FLOOD...RADAR INDICATED

$$

CMF
3 follow-up statements
187 
WGUS73 KJKL 301600
FFSJKL

Flash Flood Statement
National Weather Service Jackson KY
1200 PM EDT Mon Aug 30 2021

KYC195-301715-
/O.CON.KJKL.FF.W.0064.000000T0000Z-210830T1715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Pike KY-
1200 PM EDT Mon Aug 30 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 115 PM EDT THIS 
AFTERNOON FOR NORTHEASTERN PIKE COUNTY...

At 1200 PM EDT, Doppler radar indicated thunderstorms producing 
heavy rain across the warned area. Between 2 and 3 inches of rain 
have fallen. Additional rainfall amounts up to 1 inch are possible 
in the warned area. Flash flooding is ongoing or expected to begin 
shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar.

IMPACT...Flash flooding of small creeks and streams, urban areas,
         highways, streets and underpasses as well as other poor
         drainage and low-lying areas.

Some locations that will experience flash flooding include...
  Majestic, Jamboree, Phelps, Argo, Woodman, Board Tree and Paw Paw.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be aware of your surroundings and do not drive on flooded roads.

Please report observed flooding to local emergency services or law 
enforcement and request they pass this information to the National 
Weather Service when you can do so safely.

&&

LAT...LON 3742 8214 3762 8219 3762 8217 3761 8217
      3761 8216 3759 8216 3759 8213 3758 8212
      3757 8214 3756 8214 3755 8213 3756 8212
      3755 8210 3756 8208 3754 8206 3753 8205
      3755 8204 3753 8201 3754 8200 3754 8197

FLASH FLOOD...RADAR INDICATED

$$

CMF
599 
WGUS53 KJKL 301632
FFWJKL
KYC195-301915-
/O.EXT.KJKL.FF.W.0064.000000T0000Z-210830T1915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Jackson KY
1232 PM EDT Mon Aug 30 2021

The National Weather Service in Jackson has extended the

* Flash Flood Warning for...
  Northeastern Pike County in southeastern Kentucky...

* Until 315 PM EDT.

* At 1232 PM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 2 and 4 inches of rain 
  have fallen. Flash flooding is ongoing or expected to begin 
  shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Majestic, Jamboree, Phelps, Argo, Woodman, Board Tree and Paw Paw.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be aware of your surroundings and do not drive on flooded roads.

Please report observed flooding to local emergency services or law 
enforcement and request they pass this information to the National 
Weather Service when you can do so safely.

&&

LAT...LON 3742 8214 3762 8219 3762 8217 3761 8217
      3761 8216 3759 8216 3759 8213 3758 8212
      3757 8214 3756 8214 3755 8213 3756 8212
      3755 8210 3756 8208 3754 8206 3753 8205
      3755 8204 3753 8201 3754 8200 3754 8197

FLASH FLOOD...RADAR INDICATED

$$

CMF
274 
WGUS73 KJKL 301830
FFSJKL

Flash Flood Statement
National Weather Service Jackson KY
230 PM EDT Mon Aug 30 2021

KYC195-301840-
/O.CAN.KJKL.FF.W.0064.000000T0000Z-210830T1915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Pike KY-
230 PM EDT Mon Aug 30 2021

...FLASH FLOOD WARNING IS CANCELLED FOR NORTHEASTERN PIKE COUNTY...

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

LAT...LON 3742 8214 3762 8219 3762 8217 3761 8217
      3761 8216 3759 8216 3759 8213 3758 8212
      3757 8214 3756 8214 3755 8213 3756 8212
      3755 8210 3756 8208 3754 8206 3753 8205
      3755 8204 3753 8201 3754 8200 3754 8197

$$

CMF

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 30, 3:43 AM EDTFlash Flood WatchJKLBath, Bell, Breathitt, Clay, Elliott, Estill and 27 more48 hr
Aug 30, 9:26 AM EDTAreal Flood AdvisoryJKLPike45 min
Aug 30, 9:52 AM EDTAreal Flood AdvisoryJKLBreathitt, Owsley3 hr
Aug 30, 10:13 AM EDTAreal Flood AdvisoryJKLPike36 min
Aug 30, 10:30 AM EDTAreal Flood AdvisoryJKLFloyd, Pike3 hr
Aug 30, 10:49 AM EDTFlash Flood WarningJKLPike4 hr
Aug 30, 10:56 AM EDTFlash Flood WarningJKLFloyd, Pike4 hr
Aug 30, 12:05 PM EDTAreal Flood AdvisoryJKLLee, Owsley3 hr
Aug 30, 12:57 PM EDTAreal Flood AdvisoryJKLOwsley3 hr
Aug 30, 2:03 PM EDTAreal Flood AdvisoryJKLWhitley3 hr
Aug 30, 3:12 PM EDTSpecial Weather StatementJKLHarlan63 min
Aug 30, 3:45 PM EDTSpecial Weather StatementJKLLee, Owsley45 min
Aug 30, 3:49 PM EDTSpecial Weather StatementJKLLeslie41 min
Aug 30, 3:53 PM EDTSpecial Weather StatementJKLMcCreary52 min
Aug 30, 4:03 PM EDTAreal Flood AdvisoryJKLMcCreary, Wayne3 hr
Aug 30, 4:18 PM EDTSpecial Weather StatementJKLClay42 min
Aug 30, 4:42 PM EDTAreal Flood AdvisoryJKLClay, Jackson, Laurel, Owsley3 hr
Aug 30, 4:48 PM EDTSpecial Weather StatementJKLBreathitt, Owsley42 min
Aug 30, 5:17 PM EDTFlash Flood WarningJKLClay, Laurel118 min
Aug 30, 6:09 PM EDTSpecial Weather StatementJKLFloyd51 min
Aug 30, 6:14 PM EDTAreal Flood AdvisoryJKLFloyd, Martin, Pike2 hr

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.