Alert archive / Kentucky / Flood Watches in 2021

Flood Watch 2, NWS Jackson, KY

March 27, 202113 counties in Kentucky

NWS Jackson, KY issued this flood watch at Mar 27, 2021, 11:45 AM EDT for 13 counties in Kentucky. It was in force for 24 hr.

The area

The counties it named.

The facts

Issued
Mar 27, 2021, 11:45 AM EDT (15:45 UTC)
Expired
Mar 28, 2021, 12:00 PM EDT
In force
24 hr
Issued by
NWS Jackson, KY
Flood severity
None

Counties Bell County, KY, Clay County, KY, Harlan County, KY, Knott County, KY, Knox County, KY, Laurel County, KY, Leslie County, KY, Letcher County, KY, McCreary County, KY, Perry County, KY, Pulaski County, KY, Wayne County, KY, Whitley County, KY

The radar

The Jackson,KY radar (KJKL), 77 km from the middle of the area, began a volume at 15:46 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

Nashville Metro, TN (KBNA), launched 12:00Z, 3.8 hours before the alert went out and 270 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, Nashville Metro, TN at 12:00Z on 2021-03-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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, Nashville Metro, TN at 12:00Z on 2021-03-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 347 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
710 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
347 m²/s²
0-3 km storm-relative helicity
316 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

379 
WGUS63 KJKL 271545
FFAJKL

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Jackson KY
1145 AM EDT Sat Mar 27 2021

KYZ079-080-083>088-113-115>118-272345-
/O.NEW.KJKL.FA.A.0002.210327T1545Z-210329T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Pulaski-Laurel-Wayne-McCreary-Whitley-Knox-Bell-Harlan-Knott-Perry-
Clay-Leslie-Letcher-
Including the cities of Manchester, Hyden, Stearns, Cumberland, 
Williamsburg, Monticello, Barbourville, Hazard, Pippa Passes, 
Whitesburg, London, Somerset, Jenkins, Harlan, Middlesboro, 
Burnside, Pineville, Whitley City, Hindman, and Corbin
1145 AM EDT Sat Mar 27 2021

...FLOOD WATCH IN EFFECT THROUGH SUNDAY EVENING...

The National Weather Service in Jackson has issued a

* Flood Watch for portions of south central Kentucky and southeast 
  Kentucky, including the following areas, in south central 
  Kentucky, Laurel, McCreary, Pulaski, Wayne and Whitley. In 
  southeast Kentucky, Bell, Clay, Harlan, Knott, Knox, Leslie, 
  Letcher and Perry.

* Through Sunday evening

* Areas of showers and thunderstorms that have moved across much of 
  the area today have dropped heavy rain. Rounds of showers and 
  thunderstorms this afternoon into Sunday should produce another 
  1.5 to 2.5 inches of rain, with locally higher amounts possible. 
  Rainfall of this magnitude could lead to flash flooding as well as 
  rises on area creeks and rivers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flood Watch means there is a potential for flooding based on 
current forecasts. You should monitor later forecasts and be alert 
for possible flood warnings. Those living in areas prone to flooding 
should be prepared to take action should flooding develop.

&&

$$

AR
4 follow-up statements
788 
WGUS63 KJKL 272108
FFAJKL

Flood Watch
National Weather Service Jackson KY
508 PM EDT Sat Mar 27 2021

KYZ079-080-083>088-113-115>118-280515-
/O.CON.KJKL.FA.A.0002.000000T0000Z-210329T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Pulaski-Laurel-Wayne-McCreary-Whitley-Knox-Bell-Harlan-Knott-Perry-
Clay-Leslie-Letcher-
Including the cities of Manchester, Hyden, Stearns, Cumberland, 
Williamsburg, Monticello, Barbourville, Hazard, Pippa Passes, 
Whitesburg, London, Somerset, Jenkins, Harlan, Middlesboro, 
Burnside, Pineville, Whitley City, Hindman, and Corbin
508 PM EDT Sat Mar 27 2021

...FLOOD WATCH REMAINS IN EFFECT THROUGH SUNDAY EVENING...

The Flood Watch continues for

* Portions of south central Kentucky and southeast Kentucky, 
  including the following areas, in south central Kentucky, Laurel, 
  McCreary, Pulaski, Wayne and Whitley. In southeast Kentucky, Bell, 
  Clay, Harlan, Knott, Knox, Leslie, Letcher and Perry.

* Through Sunday evening

* Showers and thunderstorms have moved across the watch area today 
  and produced heavy rain. Rounds of showers and thunderstorms 
  tonight into early on Sunday are expected to produce another 1.0 
  to 2.0 inches of rain, with locally higher amounts possible. 
  Rainfall of this magnitude on top of wet ground could lead to 
  flash flooding as well as rises to near bankfull or flooding of 
  some area creeks or rivers.

* Excessive rainfall may occur tonight, which could lead to flash 
  flooding. Flash flooding is especially dangerous when it occurs at 
  night.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flood Watch means there is a potential for flooding based on 
current forecasts. You should monitor later forecasts and be alert 
for possible flood warnings. Those living in areas prone to flooding 
should be prepared to take action should flooding develop.

&&

$$

JP
795 
WGUS63 KJKL 280446
FFAJKL

Flood Watch
National Weather Service Jackson KY
1246 AM EDT Sun Mar 28 2021

KYZ079-080-083>088-113-115>118-281300-
/O.CON.KJKL.FA.A.0002.000000T0000Z-210329T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Pulaski-Laurel-Wayne-McCreary-Whitley-Knox-Bell-Harlan-Knott-Perry-
Clay-Leslie-Letcher-
Including the cities of Manchester, Hyden, Stearns, Cumberland, 
Williamsburg, Monticello, Barbourville, Hazard, Pippa Passes, 
Whitesburg, London, Somerset, Jenkins, Harlan, Middlesboro, 
Burnside, Pineville, Whitley City, Hindman, and Corbin
1246 AM EDT Sun Mar 28 2021

...FLOOD WATCH REMAINS IN EFFECT THROUGH SUNDAY EVENING...

The Flood Watch continues for

* Portions of south central Kentucky and southeast Kentucky, 
  including the following areas, in south central Kentucky, Laurel, 
  McCreary, Pulaski, Wayne and Whitley. In southeast Kentucky, Bell, 
  Clay, Harlan, Knott, Knox, Leslie, Letcher and Perry.

* Through this evening

* Showers and thunderstorms moved across the watch area Saturday 
  morning with about of heavy rain. Rounds of showers and 
  thunderstorms can be expected through the night into early Sunday. 
  These are expected to produce another 1.5 to 2.5 inches of rain, 
  with locally higher amounts possible. Rainfall of this magnitude 
  on top of wet ground could lead to flash flooding as well as rises 
  to near bankfull, or flooding, of some area creeks and rivers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flood Watch means there is a potential for flooding based on 
current forecasts. You should monitor later forecasts and be alert 
for possible flood warnings. Those living in areas prone to flooding 
should be prepared to take action should flooding develop.

&&

$$

GREIF
268 
WGUS63 KJKL 280841
FFAJKL

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Jackson KY
441 AM EDT Sun Mar 28 2021

KYZ079-080-083>088-113-115>118-281600-
/O.EXT.KJKL.FA.A.0002.000000T0000Z-210328T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Pulaski-Laurel-Wayne-McCreary-Whitley-Knox-Bell-Harlan-Knott-
Perry-Clay-Leslie-Letcher-
Including the cities of Burnside, Somerset, London, Monticello, 
Stearns, Whitley City, Corbin, Williamsburg, Barbourville, 
Middlesboro, Pineville, Cumberland, Harlan, Hindman, 
Pippa Passes, Hazard, Manchester, Hyden, Jenkins, and Whitesburg
441 AM EDT Sun Mar 28 2021

...FLOOD WATCH NOW IN EFFECT UNTIL NOON EDT TODAY...

The Flood Watch is now in effect for

* Portions of south central Kentucky and southeast Kentucky,
  including the following counties, Laurel, McCreary, Pulaski,
  Wayne, Whitley, Bell, Clay, Harlan, Knott, Knox, Leslie, 
  Letcher, and Perry. 

* It is in effect until noon EDT today.

* Showers and thunderstorms were continuing to bring heavy
  rainfall to the area this morning, but will be diminishing by
  mid day. Additional flooding may occur before the rain tapers
  off.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flood Watch means there is a potential for flooding based on
current forecasts. You should monitor later forecasts and be
alert for possible flood warnings. Those living in areas prone to
flooding should be prepared to take action should flooding
develop.

&&

$$

HAL
507 
WGUS63 KJKL 281554
FFAJKL

Flood Watch
National Weather Service Jackson KY
1154 AM EDT Sun Mar 28 2021

KYZ079-080-083>088-113-115>118-281700-
/O.EXP.KJKL.FA.A.0002.000000T0000Z-210328T1600Z/
Pulaski-Laurel-Wayne-McCreary-Whitley-Knox-Bell-Harlan-Knott-Perry-
Clay-Leslie-Letcher-
Including the cities of Manchester, Hyden, Stearns, Cumberland, 
Williamsburg, Monticello, Barbourville, Hazard, Pippa Passes, 
Whitesburg, London, Somerset, Jenkins, Harlan, Middlesboro, 
Burnside, Pineville, Whitley City, Hindman, and Corbin
1154 AM EDT Sun Mar 28 2021

...FLOOD WATCH WILL EXPIRE AT NOON EDT TODAY...

The Flood Watch for portions of south central Kentucky and southeast 
Kentucky, including the following areas, in south central Kentucky, 
Laurel, McCreary, Pulaski, Wayne and Whitley. In southeast Kentucky, 
Bell, Clay, Harlan, Knott, Knox, Leslie, Letcher and Perry will 
expire AT Noon EDT today.

The Flood Watch is cancelled. Rain has ended, but high water and 
flooding continues in several locations. Flood warnings and flood 
advisories are in effect for these areas. Please continue to heed 
remaining road closures.

$$

JP

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 27, 8:36 AM EDTSpecial Weather StatementJKLMcCreary39 min
Mar 27, 8:43 AM EDTSevere Thunderstorm WarningJKLBell, McCreary, Whitley32 min
Mar 27, 9:16 AM EDTSpecial Weather StatementJKLKnox, Whitley29 min
Mar 27, 9:39 AM EDTSpecial Weather StatementJKLClay, Laurel51 min
Mar 27, 9:43 AM EDTSpecial Weather StatementJKLMcCreary, Wayne47 min
Mar 27, 9:59 AM EDTSevere Thunderstorm WarningJKLMcCreary, Wayne, Whitley46 min
Mar 27, 10:33 AM EDTSpecial Weather StatementJKLBell, Knox42 min
Mar 27, 10:58 AM EDTAreal Flood AdvisoryJKLBell, Clay, Harlan, Knox, Leslie, McCreary and 1 more6 hr
Mar 27, 11:01 AM EDTSevere Thunderstorm WarningJKLBell, Harlan, Knox, Whitley44 min
Mar 27, 2:37 PM EDTAreal Flood AdvisoryJKLKnox, Laurel, McCreary, Pulaski, Wayne, Whitley6 hr
Mar 27, 7:43 PM EDTSpecial Weather StatementJKLBell47 min

Nearby

Flood Watches in Kentucky, 2021Every flood watch 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.