Alert archive / Kentucky / Freeze Warnings in 2021
Freeze Warning 2, NWS Jackson, KY
NWS Jackson, KY issued this freeze warning at Mar 31, 2021, 3:40 PM EDT for 33 counties in Kentucky. It took effect at Apr 1, 2021, 11:00 PM EDT. It was in force for 12 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Mar 31, 2021, 3:40 PM EDT (19:40 UTC)
- In effect from
- Apr 1, 2021, 11:00 PM EDT
- Expired
- Apr 2, 2021, 11:00 AM EDT
- In force
- 12 hr
- Issued by
- NWS Jackson, KY
All 33 counties
Bath County, KY, Bell County, KY, Breathitt County, KY, Clay County, KY, Elliott County, KY, Estill County, KY, Fleming County, KY, Floyd County, KY, Harlan County, KY, Jackson County, KY, Johnson County, KY, Knott County, KY, Knox County, KY, Laurel County, KY, Lee County, KY, Leslie County, KY, Letcher County, KY, Magoffin County, KY, Martin County, KY, McCreary County, KY, Menifee County, KY, Montgomery County, KY, Morgan County, KY, Owsley County, KY, Perry County, KY, Pike County, KY, Powell County, KY, Pulaski County, KY, Rockcastle County, KY, Rowan County, KY, Wayne County, KY, Whitley County, KY, Wolfe County, KY
The radar
The Jackson,KY radar (KJKL), 26 km from the middle of the area, began a volume at 19:41 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 12:00Z, 7.7 hours before the alert went out and 218 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.
- Mixed-layer CAPE
- 3 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 483 m above ground
- 0-6 km bulk shear
- 72 kt
- 0-1 km storm-relative helicity
- 92 m²/s²
- 0-3 km storm-relative helicity
- 155 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
030 WWUS73 KJKL 311940 NPWJKL URGENT - WEATHER MESSAGE National Weather Service Jackson KY 340 PM EDT Wed Mar 31 2021 KYZ044-050>052-058>060-068-069-079-080-083>088-104-106>120-010800- /O.UPG.KJKL.FZ.A.0001.210402T0300Z-210402T1500Z/ /O.NEW.KJKL.FZ.W.0002.210402T0300Z-210402T1500Z/ /O.CON.KJKL.FZ.W.0001.210401T0700Z-210401T1400Z/ Fleming-Montgomery-Bath-Rowan-Estill-Powell-Menifee-Rockcastle- Jackson-Pulaski-Laurel-Wayne-McCreary-Whitley-Knox-Bell-Harlan- Elliott-Morgan-Johnson-Wolfe-Magoffin-Floyd-Lee-Breathitt-Knott- Owsley-Perry-Clay-Leslie-Letcher-Martin-Pike- Including the cities of Flemingsburg, Camargo, Jeffersonville, Mount Sterling, Owingsville, Morehead, Irvine, Ravenna, Clay City, Stanton, Frenchburg, Brodhead, Mount Vernon, McKee, Annville, Burnside, Somerset, London, Monticello, Stearns, Whitley City, Corbin, Williamsburg, Barbourville, Middlesboro, Pineville, Cumberland, Harlan, Sandy Hook, West Liberty, Paintsville, Campton, Salyersville, Prestonsburg, Wheelwright, Beattyville, Jackson, Hindman, Pippa Passes, Booneville, Hazard, Manchester, Hyden, Jenkins, Whitesburg, Inez, Coal Run, Elkhorn City, Pikeville, and South Williamson 340 PM EDT Wed Mar 31 2021 ...FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 10 AM EDT THURSDAY... ...FREEZE WARNING IN EFFECT FROM 11 PM THURSDAY TO 11 AM EDT FRIDAY... * WHAT...For the first Freeze Warning, sub-freezing temperatures as low as the upper 20s are expected. For the second Freeze Warning, sub-freezing temperatures as low as the upper teens are expected. * WHERE...All of eastern Kentucky. * WHEN...For the first Freeze Warning, from 3 AM to 10 AM EDT Thursday. For the second Freeze Warning, from 11 PM Thursday to 11 AM EDT Friday. * IMPACTS...Early vegetation sensitive to freezing temperatures may be damaged or killed if left unprotected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants and other sensitive vegetation from the cold. && $$ GEOGERIAN
6 follow-up statements
122 WWUS73 KJKL 010805 NPWJKL URGENT - WEATHER MESSAGE National Weather Service Jackson KY 405 AM EDT Thu Apr 1 2021 KYZ044-050>052-058>060-068-069-079-080-083>088-104-106>120-011400- /O.CON.KJKL.FZ.W.0001.000000T0000Z-210401T1400Z/ /O.CON.KJKL.FZ.W.0002.210402T0300Z-210402T1500Z/ Fleming-Montgomery-Bath-Rowan-Estill-Powell-Menifee-Rockcastle- Jackson-Pulaski-Laurel-Wayne-McCreary-Whitley-Knox-Bell-Harlan- Elliott-Morgan-Johnson-Wolfe-Magoffin-Floyd-Lee-Breathitt-Knott- Owsley-Perry-Clay-Leslie-Letcher-Martin-Pike- Including the cities of Flemingsburg, Camargo, Jeffersonville, Mount Sterling, Owingsville, Morehead, Irvine, Ravenna, Clay City, Stanton, Frenchburg, Brodhead, Mount Vernon, McKee, Annville, Burnside, Somerset, London, Monticello, Stearns, Whitley City, Corbin, Williamsburg, Barbourville, Middlesboro, Pineville, Cumberland, Harlan, Sandy Hook, West Liberty, Paintsville, Campton, Salyersville, Prestonsburg, Wheelwright, Beattyville, Jackson, Hindman, Pippa Passes, Booneville, Hazard, Manchester, Hyden, Jenkins, Whitesburg, Inez, Coal Run, Elkhorn City, Pikeville, and South Williamson 405 AM EDT Thu Apr 1 2021 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 10 AM EDT THIS MORNING... ...FREEZE WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 11 AM EDT FRIDAY... * WHAT...For the first Freeze Warning, sub-freezing temperatures as low as the upper 20s are expected this morning. For the second Freeze Warning, sub-freezing temperatures as low as the upper teens are expected by early Friday morning. * WHERE...All of eastern Kentucky. * WHEN...For the first Freeze Warning, from 3 AM to 10 AM EDT Thursday. For the second Freeze Warning, from 11 PM Thursday to 11 AM EDT Friday. * IMPACTS...Early vegetation sensitive to freezing temperatures may be damaged or killed if left unprotected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ JMW
823 WWUS73 KJKL 011357 NPWJKL URGENT - WEATHER MESSAGE National Weather Service Jackson KY 957 AM EDT Thu Apr 1 2021 KYZ044-050>052-058>060-068-069-079-080-083>088-104-106>120-012100- /O.EXP.KJKL.FZ.W.0001.000000T0000Z-210401T1400Z/ /O.CON.KJKL.FZ.W.0002.210402T0300Z-210402T1500Z/ Fleming-Montgomery-Bath-Rowan-Estill-Powell-Menifee-Rockcastle- Jackson-Pulaski-Laurel-Wayne-McCreary-Whitley-Knox-Bell-Harlan- Elliott-Morgan-Johnson-Wolfe-Magoffin-Floyd-Lee-Breathitt-Knott- Owsley-Perry-Clay-Leslie-Letcher-Martin-Pike- Including the cities of Flemingsburg, Camargo, Jeffersonville, Mount Sterling, Owingsville, Morehead, Irvine, Ravenna, Clay City, Stanton, Frenchburg, Brodhead, Mount Vernon, McKee, Annville, Burnside, Somerset, London, Monticello, Stearns, Whitley City, Corbin, Williamsburg, Barbourville, Middlesboro, Pineville, Cumberland, Harlan, Sandy Hook, West Liberty, Paintsville, Campton, Salyersville, Prestonsburg, Wheelwright, Beattyville, Jackson, Hindman, Pippa Passes, Booneville, Hazard, Manchester, Hyden, Jenkins, Whitesburg, Inez, Coal Run, Elkhorn City, Pikeville, and South Williamson 957 AM EDT Thu Apr 1 2021 ...FREEZE WARNING WILL EXPIRE AT 10 AM EDT THIS MORNING... ...FREEZE WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 11 AM EDT FRIDAY... * WHAT...For the first Freeze Warning, temperatures have warmed above freezing at most locations this morning. Therefore, the first Freeze Warning will be allowed to expire. For the second Freeze Warning, sub-freezing temperatures as low as the upper teens are expected by early Friday morning. * WHERE...All of eastern Kentucky. * WHEN...For the second Freeze Warning, from 11 PM Thursday to 11 AM EDT Friday. * IMPACTS...Early vegetation sensitive to freezing temperatures may be damaged or killed if left unprotected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. && $$ GEOGERIAN
218 WWUS73 KJKL 012000 NPWJKL URGENT - WEATHER MESSAGE National Weather Service Jackson KY 400 PM EDT Thu Apr 1 2021 KYZ044-050>052-058>060-068-069-079-080-083>088-104-106>120-020400- /O.NEW.KJKL.FZ.W.0003.210403T0300Z-210403T1500Z/ /O.CON.KJKL.FZ.W.0002.210402T0300Z-210402T1500Z/ Fleming-Montgomery-Bath-Rowan-Estill-Powell-Menifee-Rockcastle- Jackson-Pulaski-Laurel-Wayne-McCreary-Whitley-Knox-Bell-Harlan- Elliott-Morgan-Johnson-Wolfe-Magoffin-Floyd-Lee-Breathitt-Knott- Owsley-Perry-Clay-Leslie-Letcher-Martin-Pike- Including the cities of Flemingsburg, Camargo, Jeffersonville, Mount Sterling, Owingsville, Morehead, Irvine, Ravenna, Clay City, Stanton, Frenchburg, Brodhead, Mount Vernon, McKee, Annville, Burnside, Somerset, London, Monticello, Stearns, Whitley City, Corbin, Williamsburg, Barbourville, Middlesboro, Pineville, Cumberland, Harlan, Sandy Hook, West Liberty, Paintsville, Campton, Salyersville, Prestonsburg, Wheelwright, Beattyville, Jackson, Hindman, Pippa Passes, Booneville, Hazard, Manchester, Hyden, Jenkins, Whitesburg, Inez, Coal Run, Elkhorn City, Pikeville, and South Williamson 400 PM EDT Thu Apr 1 2021 ...FREEZE WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 11 AM EDT FRIDAY... ...FREEZE WARNING IN EFFECT FROM 11 PM FRIDAY TO 11 AM EDT SATURDAY... * WHAT...For the first Freeze Warning, sub-freezing temperatures as low as the upper teens are expected. For the second Freeze Warning, sub-freezing temperatures as low as the upper teens are expected. * WHERE...All of eastern Kentucky. * WHEN...For the first Freeze Warning, from 11 PM this evening to 11 AM EDT Friday. For the second Freeze Warning, from 11 PM Friday to 11 AM EDT Saturday. * IMPACTS...Early vegetation sensitive to freezing temperatures may be damaged or killed if left unprotected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants and other sensitive vegetation from the cold. && $$ GEOGERIAN
856 WWUS73 KJKL 020250 NPWJKL URGENT - WEATHER MESSAGE National Weather Service Jackson KY 1050 PM EDT Thu Apr 1 2021 KYZ044-050>052-058>060-068-069-079-080-083>088-104-106>120-021200- /O.CON.KJKL.FZ.W.0002.210402T0300Z-210402T1500Z/ /O.CON.KJKL.FZ.W.0003.210403T0300Z-210403T1500Z/ Fleming-Montgomery-Bath-Rowan-Estill-Powell-Menifee-Rockcastle- Jackson-Pulaski-Laurel-Wayne-McCreary-Whitley-Knox-Bell-Harlan- Elliott-Morgan-Johnson-Wolfe-Magoffin-Floyd-Lee-Breathitt-Knott- Owsley-Perry-Clay-Leslie-Letcher-Martin-Pike- Including the cities of Flemingsburg, Camargo, Jeffersonville, Mount Sterling, Owingsville, Morehead, Irvine, Ravenna, Clay City, Stanton, Frenchburg, Brodhead, Mount Vernon, McKee, Annville, Burnside, Somerset, London, Monticello, Stearns, Whitley City, Corbin, Williamsburg, Barbourville, Middlesboro, Pineville, Cumberland, Harlan, Sandy Hook, West Liberty, Paintsville, Campton, Salyersville, Prestonsburg, Wheelwright, Beattyville, Jackson, Hindman, Pippa Passes, Booneville, Hazard, Manchester, Hyden, Jenkins, Whitesburg, Inez, Coal Run, Elkhorn City, Pikeville, and South Williamson 1050 PM EDT Thu Apr 1 2021 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 11 AM EDT FRIDAY... ...FREEZE WARNING REMAINS IN EFFECT FROM 11 PM FRIDAY TO 11 AM EDT SATURDAY... * WHAT...For both Freeze Warnings, sub-freezing temperatures as low as the upper teens are expected. * WHERE...All of eastern Kentucky. * WHEN...For the first Freeze Warning, through 11 AM EDT Friday. For the second Freeze Warning, from 11 PM Friday to 11 AM EDT Saturday. * IMPACTS...Early vegetation sensitive to freezing temperatures may be damaged or killed if left unprotected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants and other sensitive vegetation from the cold. && $$ GEOGERIAN/JP
531 WWUS73 KJKL 020705 AAA NPWJKL URGENT - WEATHER MESSAGE...UPDATED National Weather Service Jackson KY 305 AM EDT Fri Apr 2 2021 KYZ044-050>052-058>060-068-069-079-080-083>088-104-106>120-022115- /O.CON.KJKL.FZ.W.0002.000000T0000Z-210402T1500Z/ /O.CON.KJKL.FZ.W.0003.210403T0300Z-210403T1500Z/ Fleming-Montgomery-Bath-Rowan-Estill-Powell-Menifee-Rockcastle- Jackson-Pulaski-Laurel-Wayne-McCreary-Whitley-Knox-Bell-Harlan- Elliott-Morgan-Johnson-Wolfe-Magoffin-Floyd-Lee-Breathitt-Knott- Owsley-Perry-Clay-Leslie-Letcher-Martin-Pike- Including the cities of Flemingsburg, Camargo, Jeffersonville, Mount Sterling, Owingsville, Morehead, Irvine, Ravenna, Clay City, Stanton, Frenchburg, Brodhead, Mount Vernon, McKee, Annville, Burnside, Somerset, London, Monticello, Stearns, Whitley City, Corbin, Williamsburg, Barbourville, Middlesboro, Pineville, Cumberland, Harlan, Sandy Hook, West Liberty, Paintsville, Campton, Salyersville, Prestonsburg, Wheelwright, Beattyville, Jackson, Hindman, Pippa Passes, Booneville, Hazard, Manchester, Hyden, Jenkins, Whitesburg, Inez, Coal Run, Elkhorn City, Pikeville, and South Williamson 305 AM EDT Fri Apr 2 2021 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 11 AM EDT THIS MORNING... ...FREEZE WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 11 AM EDT SATURDAY... * WHAT...For both Freeze Warnings, sub-freezing temperatures as low as the upper teens are expected. * WHERE...All of eastern Kentucky. * WHEN...For the first Freeze Warning, through 11 AM EDT this morning. For the second Freeze Warning, from 11 PM this evening to 11 AM EDT Saturday. * IMPACTS...Early vegetation sensitive to freezing temperatures may be damaged or killed if left unprotected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants and other sensitive vegetation from the cold. && $$ GREIF
871 WWUS73 KJKL 021456 NPWJKL URGENT - WEATHER MESSAGE National Weather Service Jackson KY 1056 AM EDT Fri Apr 2 2021 KYZ044-050>052-058>060-068-069-079-080-083>088-104-106>120-022000- /O.EXP.KJKL.FZ.W.0002.000000T0000Z-210402T1500Z/ /O.CON.KJKL.FZ.W.0003.210403T0300Z-210403T1500Z/ Fleming-Montgomery-Bath-Rowan-Estill-Powell-Menifee-Rockcastle- Jackson-Pulaski-Laurel-Wayne-McCreary-Whitley-Knox-Bell-Harlan- Elliott-Morgan-Johnson-Wolfe-Magoffin-Floyd-Lee-Breathitt-Knott- Owsley-Perry-Clay-Leslie-Letcher-Martin-Pike- Including the cities of Flemingsburg, Camargo, Jeffersonville, Mount Sterling, Owingsville, Morehead, Irvine, Ravenna, Clay City, Stanton, Frenchburg, Brodhead, Mount Vernon, McKee, Annville, Burnside, Somerset, London, Monticello, Stearns, Whitley City, Corbin, Williamsburg, Barbourville, Middlesboro, Pineville, Cumberland, Harlan, Sandy Hook, West Liberty, Paintsville, Campton, Salyersville, Prestonsburg, Wheelwright, Beattyville, Jackson, Hindman, Pippa Passes, Booneville, Hazard, Manchester, Hyden, Jenkins, Whitesburg, Inez, Coal Run, Elkhorn City, Pikeville, and South Williamson 1056 AM EDT Fri Apr 2 2021 ...FREEZE WARNING WILL EXPIRE AT 11 AM EDT THIS MORNING... ...FREEZE WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 11 AM EDT SATURDAY... * WHAT...For the first Freeze Warning, most locations have warmed to above freezing, so the first Freeze Warning will be allowed to expire. For the second Freeze Warning, sub-freezing temperatures as low as the upper teens are expected. * WHERE...All of eastern Kentucky. * WHEN...For the second Freeze Warning, from 11 PM this evening to 11 AM EDT Saturday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. && $$ HAS/GEOGERIAN
The office that day
Everything else NWS Jackson, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 30, 8:03 PM EDT | River Flood Advisory | JKL | Knox | 15 hr |
| Mar 31, 4:28 AM EDT | River Flood Advisory | JKL | Estill | 31 hr |
Nearby
Freeze Warnings in Kentucky, 2021Every freeze 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.