Alert archive / Kentucky / Flash Flood Warnings in 2021

Flash Flood Warning 8, NWS Jackson, KY

February 28, 202113 counties in Kentucky

NWS Jackson, KY issued this flash flood warning at Feb 28, 2021, 10:18 PM EST for 13 counties in Kentucky. It was in force for 4 hr. 2 reports 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
Feb 28, 2021, 10:18 PM EST (03:18 UTC)
Expired
Mar 1, 2021, 2:33 AM EST
In force
4 hr
Issued by
NWS Jackson, KY
Area
Storm-based polygon
Flood severity
None

Counties Breathitt County, KY, Estill County, KY, Floyd County, KY, Jackson County, KY, Johnson County, KY, Lee County, KY, Magoffin County, KY, Martin County, KY, Menifee County, KY, Morgan County, KY, Powell County, KY, Rockcastle County, KY, Wolfe County, KY

The radar

The Jackson,KY radar (KJKL), 22 km from the middle of the area, began a volume at 03:21 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
Feb 28, 10:30 PM ESTFLOODLee City, KYHIGHWAY 205 FLOODED.
Mar 1, 1:00 AM ESTFLASH FLOODHelechawa, KYEXIT OF MOUNTAIN PARKWAY AT LEE CITY IS CLOSED DUE TO FLOODING.

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 00:00Z, 3.3 hours before the alert went out and 188 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 2021-03-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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 2021-03-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 94 square meters per square second.1939587897117136Sfc1 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
702 m above ground
0-6 km bulk shear
88 kt
0-1 km storm-relative helicity
94 m²/s²
0-3 km storm-relative helicity
42 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

249 
WGUS53 KJKL 010318
FFWJKL
KYC025-065-071-109-115-129-153-159-165-175-197-203-237-010800-
/O.NEW.KJKL.FF.W.0008.210301T0318Z-210301T0800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Jackson KY
1018 PM EST Sun Feb 28 2021

The National Weather Service in Jackson has issued a

* Flash Flood Warning for...
  Estill County in east central Kentucky...
  South Central Menifee County in east central Kentucky...
  Southeastern Powell County in east central Kentucky...
  Johnson County in northeastern Kentucky...
  West Central Martin County in northeastern Kentucky...
  Northeastern Rockcastle County in south central Kentucky...
  Northwestern Breathitt County in southeastern Kentucky...
  Northwestern Floyd County in southeastern Kentucky...
  Northwestern Jackson County in southeastern Kentucky...
  Lee County in southeastern Kentucky...
  Magoffin County in southeastern Kentucky...
  Southern Morgan County in southeastern Kentucky...
  Wolfe County in southeastern Kentucky...

* Until 300 AM EST.

* At 1018 PM EST, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. 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...
  Paintsville, Irvine, Salyersville, Beattyville, Campton, Mason, 
  Simpson, Lewis, Fincastle, Ravenna, Lexie, Malaga, Gilmore, Upper 
  Gilmore, Lower Gilmore, Landsaw, Paxton, Hazel Green, Daysboro and 
  Trent.

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 3756 8417 3757 8409 3764 8413 3767 8409
      3772 8410 3786 8349 3790 8308 3800 8302
      3799 8302 3796 8299 3800 8294 3788 8261
      3785 8267 3779 8270 3761 8319 3754 8357
      3752 8421

FLASH FLOOD...RADAR INDICATED

$$

GREIF
2 follow-up statements
586 
WGUS73 KJKL 010600
FFSJKL

Flash Flood Statement
National Weather Service Jackson KY
100 AM EST Mon Mar 1 2021

KYC025-065-071-109-115-129-153-159-165-175-197-203-237-010800-
/O.CON.KJKL.FF.W.0008.000000T0000Z-210301T0800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Breathitt KY-Estill KY-Floyd KY-Jackson KY-Johnson KY-Lee KY-
Magoffin KY-Martin KY-Menifee KY-Morgan KY-Powell KY-Rockcastle KY-
Wolfe KY-
100 AM EST Mon Mar 1 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 3 AM EST EARLY THIS 
MORNING FOR ESTILL, SOUTH CENTRAL MENIFEE, SOUTHEASTERN POWELL, 
JOHNSON, WEST CENTRAL MARTIN, NORTHEASTERN ROCKCASTLE, NORTHWESTERN 
BREATHITT, NORTHWESTERN FLOYD, NORTHWESTERN JACKSON, LEE, MAGOFFIN, 
SOUTHERN MORGAN AND WOLFE COUNTIES...

At 100 AM EST, Doppler radar indicated that the showers were 
weakening over the area, but another quarter to half an inch of rain 
will be possible through 3 am.

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...
  Paintsville, Irvine, Salyersville, Beattyville, Campton, Mason, 
  Simpson, Lewis, Fincastle, Ravenna, Lexie, Malaga, Gilmore, Upper 
  Gilmore, Lower Gilmore, Landsaw, Paxton, Hazel Green, Daysboro and 
  Trent.

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 3756 8417 3757 8409 3764 8413 3767 8409
      3772 8410 3786 8349 3790 8308 3800 8302
      3799 8302 3796 8299 3800 8294 3788 8261
      3785 8267 3779 8270 3761 8319 3754 8357
      3752 8421

FLASH FLOOD...RADAR INDICATED

$$

GREIF
728 
WGUS73 KJKL 010733
FFSJKL

Flash Flood Statement
National Weather Service Jackson KY
233 AM EST Mon Mar 1 2021

KYC025-065-071-109-115-129-153-159-165-175-197-203-237-010743-
/O.CAN.KJKL.FF.W.0008.000000T0000Z-210301T0800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Breathitt KY-Estill KY-Floyd KY-Jackson KY-Johnson KY-Lee KY-
Magoffin KY-Martin KY-Menifee KY-Morgan KY-Powell KY-Rockcastle KY-
Wolfe KY-
233 AM EST Mon Mar 1 2021

...FLASH FLOOD WARNING FOR ESTILL, SOUTH CENTRAL MENIFEE, 
SOUTHEASTERN POWELL, JOHNSON, WEST CENTRAL MARTIN, NORTHEASTERN 
ROCKCASTLE, NORTHWESTERN BREATHITT, NORTHWESTERN FLOYD, NORTHWESTERN 
JACKSON, LEE, MAGOFFIN, SOUTHERN MORGAN AND WOLFE COUNTIES HAS BEEN 
REPLACED WITH A FLOOD WARNING...

LAT...LON 3756 8417 3757 8409 3764 8413 3767 8409
      3772 8410 3786 8349 3790 8308 3800 8302
      3799 8302 3796 8299 3800 8294 3788 8261
      3785 8267 3779 8270 3761 8319 3754 8357
      3752 8421

$$

GREIF

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 28, 7:13 PM ESTRiver Flood WarningJKLMagoffin11 hr
Feb 28, 7:18 PM ESTSpecial Weather StatementJKLClay, Leslie, Owsley, Perry57 min
Feb 28, 7:49 PM ESTAreal Flood AdvisoryJKLClay, Floyd, Harlan, Knott, Knox, Laurel and 6 more34 min
Feb 28, 8:14 PM ESTAreal Flood WarningJKLClay, Jackson, Knox, Laurel, McCreary, Owsley and 4 more3 hr
Feb 28, 8:16 PM ESTSpecial Weather StatementJKLKnott, Pike59 min
Feb 28, 8:17 PM ESTRiver Flood WarningJKLBreathitt56 hr
Feb 28, 8:22 PM ESTAreal Flood WarningJKLBell, Clay, Floyd, Harlan, Knott, Knox and 8 more3 hr
Feb 28, 8:22 PM ESTRiver Flood WarningJKLClay29 hr
Feb 28, 9:06 PM ESTRiver Flood WarningJKLJohnson61 hr
Feb 28, 9:11 PM ESTSpecial Weather StatementJKLMcCreary, Pulaski, Wayne49 min
Feb 28, 9:20 PM ESTSevere Thunderstorm WarningJKLMcCreary, Pulaski, Wayne25 min
Feb 28, 9:30 PM ESTSpecial Weather StatementJKLLeslie45 min
Feb 28, 9:55 PM ESTSpecial Weather StatementJKLKnox, Laurel, McCreary, Whitley35 min
Feb 28, 10:02 PM ESTAreal Flood WarningJKLEstill, Jackson, Johnson, Lee, Magoffin, Menifee and 4 more9 hr
Feb 28, 10:38 PM ESTSpecial Weather StatementJKLBell, Clay, Knox, Leslie52 min
Feb 28, 10:56 PM ESTAreal Flood AdvisoryJKLBell, Clay, Harlan, Knox, Leslie, Letcher and 2 more4 hr
Feb 28, 11:15 PM ESTFlash Flood WarningJKLClay, Jackson, Knox, Laurel, McCreary, Owsley and 4 more4 hr
Feb 28, 11:18 PM ESTFlash Flood WarningJKLBell, Clay, Floyd, Harlan, Knott, Knox and 8 more4 hr
Feb 28, 11:28 PM ESTSpecial Weather StatementJKLHarlan32 min
Mar 1, 2:33 AM ESTAreal Flood WarningJKLBreathitt, Estill, Floyd, Jackson, Johnson, Lee and 7 more15 hr
Mar 1, 2:38 AM ESTAreal Flood WarningJKLBreathitt, Estill, Jackson, Laurel, Lee, Magoffin and 5 more13 hr
Mar 1, 2:43 AM ESTAreal Flood WarningJKLFloyd, Johnson, Magoffin, Martin, Morgan, Pike13 hr
Mar 1, 2:48 AM ESTAreal Flood WarningJKLBreathitt, Floyd, Jackson, Knott, Magoffin, Owsley and 1 more13 hr
Mar 1, 2:52 AM ESTAreal Flood WarningJKLBreathitt, Clay, Floyd, Jackson, Knott, Leslie and 4 more13 hr
Mar 1, 2:58 AM ESTAreal Flood WarningJKLBell, Clay, Floyd, Harlan, Jackson, Knott and 12 more13 hr
Mar 1, 3:02 AM ESTAreal Flood AdvisoryJKLBell, Clay, Harlan, Knox, Leslie, Letcher and 4 more7 hr
Mar 1, 4:14 AM ESTRiver Flood WarningJKLPerry18 hr
Mar 1, 4:14 AM ESTRiver Flood AdvisoryJKLLetcher3 hr
Mar 1, 5:55 AM ESTRiver Flood AdvisoryJKLPike31 hr
Mar 1, 6:10 AM ESTRiver Flood WarningJKLPike17 hr
Mar 1, 6:50 AM ESTRiver Flood WarningJKLLetcher74 min
Mar 1, 8:08 AM ESTRiver Flood AdvisoryJKLLetcher6 hr
Mar 1, 8:18 AM ESTRiver Flood AdvisoryJKLHarlan12 hr
Mar 1, 8:38 AM ESTRiver Flood WarningJKLMagoffin17 hr
Mar 1, 10:05 AM ESTRiver Flood WarningJKLBell12 hr
Mar 1, 2:00 PM ESTAreal Flood WarningJKLMorgan3 hr
Mar 1, 3:38 PM ESTAreal Flood WarningJKLMagoffin, Morgan, Rowan44 hr
Mar 1, 3:59 PM ESTAreal Flood WarningJKLMartin, Pike25 hr
Mar 1, 4:03 PM ESTAreal Flood WarningJKLLeslie, Perry14 days
Mar 1, 5:42 PM ESTAreal Flood WarningJKLBreathitt9 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.