Alert archive / Ohio / Frost Advisories in 2021
Frost Advisory 1, NWS Cleveland, OH
NWS Cleveland, OH issued this frost advisory at Apr 22, 2021, 3:24 PM EDT for Hancock County, Lucas County, Wood County, Ohio. It took effect at Apr 23, 2021, 1:00 AM EDT. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Apr 22, 2021, 3:24 PM EDT (19:24 UTC)
- In effect from
- Apr 23, 2021, 1:00 AM EDT
- Expired
- Apr 23, 2021, 9:00 AM EDT
- In force
- 8 hr
- Issued by
- NWS Cleveland, OH
Counties Hancock County, OH, Lucas County, OH, Wood County, OH
The radar
The Cleveland radar (KCLE), 144 km from the middle of the area, began a volume at 19:24 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
Detroit, MI (KDTX), launched 12:00Z, 7.4 hours before the alert went out and 153 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1355 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 26 m²/s²
- 0-3 km storm-relative helicity
- 73 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
235 WWUS71 KCLE 221924 NPWCLE URGENT - WEATHER MESSAGE National Weather Service Cleveland OH 324 PM EDT Thu Apr 22 2021 OHZ027-036-037-047-230330- /O.UPG.KCLE.FZ.A.0003.210423T0500Z-210423T1300Z/ /O.NEW.KCLE.FZ.W.0003.210423T0500Z-210423T1300Z/ Wyandot-Marion-Morrow-Knox- Including the cities of Upper Sandusky, Carey, Marion, Mount Gilead, Cardington, and Mount Vernon 324 PM EDT Thu Apr 22 2021 ...FREEZE WARNING IN EFFECT FROM 1 AM TO 9 AM EDT FRIDAY... * WHAT...Sub-freezing temperatures as low as 31 expected. * WHERE...Wyandot, Marion, Morrow and Knox Counties. * WHEN...From 1 AM to 9 AM EDT Friday. * 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. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ OHZ003-006-017-230330- /O.NEW.KCLE.FR.Y.0001.210423T0500Z-210423T1300Z/ Lucas-Wood-Hancock- Including the cities of Toledo, Bowling Green, Perrysburg, and Findlay 324 PM EDT Thu Apr 22 2021 ...FROST ADVISORY IN EFFECT FROM 1 AM TO 9 AM EDT FRIDAY... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Lucas, Wood and Hancock Counties. * WHEN...From 1 AM to 9 AM EDT Friday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ For more information from the National Weather Service visit http://www.weather.gov/cle
3 follow-up statements
646 WWUS71 KCLE 230133 NPWCLE URGENT - WEATHER MESSAGE National Weather Service Cleveland OH 933 PM EDT Thu Apr 22 2021 OHZ027-036-037-047-230945- /O.CON.KCLE.FZ.W.0003.210423T0500Z-210423T1300Z/ Wyandot-Marion-Morrow-Knox- Including the cities of Upper Sandusky, Carey, Marion, Mount Gilead, Cardington, and Mount Vernon 933 PM EDT Thu Apr 22 2021 ...FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 9 AM EDT FRIDAY... * WHAT...Sub-freezing temperatures as low as 31 expected. * WHERE...Wyandot, Marion, Morrow and Knox Counties. * WHEN...From 1 AM to 9 AM EDT Friday. * 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. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ OHZ003-006-017-230945- /O.CON.KCLE.FR.Y.0001.210423T0500Z-210423T1300Z/ Lucas-Wood-Hancock- Including the cities of Toledo, Bowling Green, Perrysburg, and Findlay 933 PM EDT Thu Apr 22 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 9 AM EDT FRIDAY... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Lucas, Wood and Hancock Counties. * WHEN...From 1 AM to 9 AM EDT Friday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ For more information from the National Weather Service visit http://www.weather.gov/cle
087 WWUS71 KCLE 230724 NPWCLE URGENT - WEATHER MESSAGE National Weather Service Cleveland OH 324 AM EDT Fri Apr 23 2021 OHZ027-036-037-047-231300- /O.CON.KCLE.FZ.W.0003.000000T0000Z-210423T1300Z/ Wyandot-Marion-Morrow-Knox- Including the cities of Upper Sandusky, Carey, Marion, Mount Gilead, Cardington, and Mount Vernon 324 AM EDT Fri Apr 23 2021 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... * WHAT...Sub-freezing temperatures as low as 31 expected. * WHERE...Wyandot, Marion, Morrow and Knox Counties. * WHEN...From 1 AM to 9 AM EDT Friday. * 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. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ OHZ003-006-017-231300- /O.CON.KCLE.FR.Y.0001.000000T0000Z-210423T1300Z/ Lucas-Wood-Hancock- Including the cities of Toledo, Bowling Green, Perrysburg, and Findlay 324 AM EDT Fri Apr 23 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Lucas, Wood and Hancock Counties. * WHEN...From 1 AM to 9 AM EDT Friday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ For more information from the National Weather Service visit http://www.weather.gov/cle
256 WWUS71 KCLE 231256 NPWCLE URGENT - WEATHER MESSAGE National Weather Service Cleveland OH 856 AM EDT Fri Apr 23 2021 OHZ027-036-037-047-231400- /O.EXP.KCLE.FZ.W.0003.000000T0000Z-210423T1300Z/ Wyandot-Marion-Morrow-Knox- Including the cities of Upper Sandusky, Carey, Marion, Mount Gilead, Cardington, and Mount Vernon 856 AM EDT Fri Apr 23 2021 ...FREEZE WARNING WILL EXPIRE AT 9 AM EDT THIS MORNING... Temperatures have increased to upper 30s to low 40s this morning and will continue to increase to upper 50s and low 60s later this afternoon. $$ OHZ003-006-017-231400- /O.EXP.KCLE.FR.Y.0001.000000T0000Z-210423T1300Z/ Lucas-Wood-Hancock- Including the cities of Toledo, Bowling Green, Perrysburg, and Findlay 856 AM EDT Fri Apr 23 2021 ...FROST ADVISORY WILL EXPIRE AT 9 AM EDT THIS MORNING... Temperatures have increased to upper 30s to low 40s this morning and will continue to increase to upper 50s and low 60s later this afternoon. $$ For more information from the National Weather Service visit http://www.weather.gov/cle
The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 21, 10:28 PM EDT | Special Weather Statement | CLE | Cuyahoga, Portage, Summit | 62 min |
| Apr 21, 10:55 PM EDT | Special Weather Statement | CLE | Cuyahoga, Portage, Summit | 80 min |
| Apr 21, 11:53 PM EDT | Special Weather Statement | CLE | Mahoning | 52 min |
| Apr 22, 12:19 AM EDT | Special Weather Statement | CLE | Cuyahoga, Geauga, Mahoning, Portage, Trumbull | 86 min |
| Apr 22, 3:35 AM EDT | Freeze Watch | CLE | Knox, Marion, Morrow, Wyandot | 12 hr |
| Apr 22, 3:49 AM EDT | Small Craft Advisory | CLE | 19 hr | |
| Apr 22, 3:24 PM EDT | Freeze Warning | CLE | Knox, Marion, Morrow, Wyandot | 18 hr |
Nearby
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.