Alert archive / Ohio / Freeze Warnings in 2021
Freeze Warning 1, NWS Cleveland, OH
NWS Cleveland, OH issued this freeze warning at Apr 20, 2021, 3:57 AM EDT for 5 counties in Ohio. It took effect at Apr 21, 2021, 1:00 AM EDT. It was in force for 9 hr. 13 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Apr 20, 2021, 3:57 AM EDT (07:57 UTC)
- In effect from
- Apr 21, 2021, 1:00 AM EDT
- Expired
- Apr 21, 2021, 10:00 AM EDT
- In force
- 9 hr
- Issued by
- NWS Cleveland, OH
Counties Hancock County, OH, Lucas County, OH, Marion County, OH, Wood County, OH, Wyandot County, OH
The radar
The Cleveland radar (KCLE), 137 km from the middle of the area, began a volume at 08:02 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 21, 2:00 AM EDT | SNOW 7 | 2 Ne Ottawa Hills, OH | |
| Apr 21, 5:00 AM EDT | SNOW 5 | 2 Wsw Perrysburg, OH | 24-HOUR SNOWFALL. |
| Apr 21, 6:50 AM EDT | SNOW 4 | 1 Ssw Findlay, OH | 24-HOUR SNOWFALL. |
| Apr 21, 7:00 AM EDT | SNOW 3.8 | 1 Ssw Findlay, OH | 12-HOUR SNOWFALL. |
| Apr 21, 7:00 AM EDT | SNOW 4 | 4 Se Toledo, OH | 24-HOUR SNOWFALL. |
| Apr 21, 7:00 AM EDT | SNOW 4.5 | 1 W Bowling Green, OH | 24-HOUR SNOWFALL. |
| Apr 21, 7:00 AM EDT | SNOW 5 | 7 Nne Swanton, OH | 24-HOUR SNOWFALL. |
| Apr 21, 7:36 AM EDT | SNOW 5.5 | Holland, OH | 12-HOUR SNOWFALL. |
| Apr 21, 7:53 AM EDT | SNOW 2.5 | 4 Nw Harpster, OH | 12-HOUR SNOWFALL. |
| Apr 21, 8:00 AM EDT | SNOW 4.7 | 3 Ssw Oregon, OH | 24-HOUR SNOWFALL. |
| Apr 21, 9:00 AM EDT | SNOW 7.5 | 2 Nne Waterville, OH | 24-HOUR SNOWFALL. |
| Apr 21, 9:45 AM EDT | SNOW 3.5 | Wsw Findlay, OH | 24-HOUR SNOWFALL. |
| Apr 21, 9:48 AM EDT | SNOW 5 | Findlay, OH | 12-HOUR SNOWFALL. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Detroit, MI (KDTX), launched 00:00Z, 8.0 hours before the alert went out and 181 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
- 802 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- 142 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
477 WWUS71 KCLE 200757 NPWCLE URGENT - WEATHER MESSAGE National Weather Service Cleveland OH 357 AM EDT Tue Apr 20 2021 OHZ003-006-017-027-036-201600- /O.UPG.KCLE.FZ.A.0001.210421T0700Z-210421T1400Z/ /O.NEW.KCLE.FZ.W.0001.210421T0500Z-210421T1400Z/ Lucas-Wood-Hancock-Wyandot-Marion- Including the cities of Toledo, Bowling Green, Perrysburg, Findlay, Upper Sandusky, Carey, and Marion 357 AM EDT Tue Apr 20 2021 ...FREEZE WARNING IN EFFECT FROM 1 AM TO 10 AM EDT WEDNESDAY... * WHAT...Sub-freezing temperatures as low as 31 expected. * WHERE...Lucas, Wood, Hancock, Wyandot and Marion Counties. * WHEN...From 1 AM to 10 AM EDT Wednesday. * 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. && $$ For more information from the National Weather Service visit http://www.weather.gov/cle
5 follow-up statements
590 WWUS71 KCLE 201402 NPWCLE URGENT - WEATHER MESSAGE National Weather Service Cleveland OH 1002 AM EDT Tue Apr 20 2021 OHZ003-006-017-027-036-202215- /O.CON.KCLE.FZ.W.0001.210421T0500Z-210421T1400Z/ Lucas-Wood-Hancock-Wyandot-Marion- Including the cities of Toledo, Bowling Green, Perrysburg, Findlay, Upper Sandusky, Carey, and Marion 1002 AM EDT Tue Apr 20 2021 ...FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 10 AM EDT WEDNESDAY... * WHAT...Sub-freezing temperatures as low as 31 expected. * WHERE...Lucas, Wyandot, Hancock, Marion and Wood Counties. * WHEN...From 1 AM to 10 AM EDT Wednesday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ For more information from the National Weather Service visit http://www.weather.gov/cle
029 WWUS71 KCLE 201953 NPWCLE URGENT - WEATHER MESSAGE National Weather Service Cleveland OH 353 PM EDT Tue Apr 20 2021 OHZ003-006-017-027-036-210400- /O.CON.KCLE.FZ.W.0001.210421T0500Z-210421T1400Z/ Lucas-Wood-Hancock-Wyandot-Marion- Including the cities of Toledo, Bowling Green, Perrysburg, Findlay, Upper Sandusky, Carey, and Marion 353 PM EDT Tue Apr 20 2021 ...FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 10 AM EDT WEDNESDAY... * WHAT...Sub-freezing temperatures as low as 30 expected. * WHERE...Lucas, Hancock, Wood, Marion and Wyandot Counties. * WHEN...From 1 AM to 10 AM EDT Wednesday. * 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. && $$ OHZ037-047-210400- /O.NEW.KCLE.FZ.A.0002.210422T0500Z-210422T1400Z/ Morrow-Knox- Including the cities of Mount Gilead, Cardington, and Mount Vernon 353 PM EDT Tue Apr 20 2021 ...FREEZE WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH THURSDAY MORNING... * WHAT...Sub-freezing temperatures as low as 25 possible. * WHERE...Morrow and Knox Counties. * WHEN...From late Wednesday night through Thursday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ For more information from the National Weather Service visit http://www.weather.gov/cle
310 WWUS71 KCLE 210312 NPWCLE URGENT - WEATHER MESSAGE National Weather Service Cleveland OH 1112 PM EDT Tue Apr 20 2021 OHZ003-006-017-027-036-211115- /O.CON.KCLE.FZ.W.0001.210421T0500Z-210421T1400Z/ Lucas-Wood-Hancock-Wyandot-Marion- Including the cities of Toledo, Bowling Green, Perrysburg, Findlay, Upper Sandusky, Carey, and Marion 1112 PM EDT Tue Apr 20 2021 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 10 AM EDT WEDNESDAY... * WHAT...Sub-freezing temperatures as low as 30 expected. * WHERE...Lucas, Hancock, Wood, Marion and Wyandot Counties. * WHEN...From 1 AM to 10 AM EDT Wednesday. * 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. && $$ OHZ037-047-211115- /O.CON.KCLE.FZ.A.0002.210422T0500Z-210422T1400Z/ Morrow-Knox- Including the cities of Mount Gilead, Cardington, and Mount Vernon 1112 PM EDT Tue Apr 20 2021 ...FREEZE WATCH REMAINS IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH THURSDAY MORNING... * WHAT...Sub-freezing temperatures as low as 25 possible. * WHERE...Morrow and Knox Counties. * WHEN...From late Wednesday night through Thursday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ For more information from the National Weather Service visit http://www.weather.gov/cle
091 WWUS71 KCLE 210749 NPWCLE URGENT - WEATHER MESSAGE National Weather Service Cleveland OH 349 AM EDT Wed Apr 21 2021 OHZ003-006-017-027-036-211400- /O.CON.KCLE.FZ.W.0001.000000T0000Z-210421T1400Z/ Lucas-Wood-Hancock-Wyandot-Marion- Including the cities of Toledo, Bowling Green, Perrysburg, Findlay, Upper Sandusky, Carey, and Marion 349 AM EDT Wed Apr 21 2021 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 10 AM EDT THIS MORNING... * WHAT...Sub-freezing temperatures as low as 30. * WHERE...Lucas, Hancock, Wood, Marion and Wyandot Counties. * WHEN...Until 10 AM EDT this morning. * 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. && $$ OHZ037-047-211600- /O.CON.KCLE.FZ.A.0002.210422T0500Z-210422T1400Z/ Morrow-Knox- Including the cities of Mount Gilead, Cardington, and Mount Vernon 349 AM EDT Wed Apr 21 2021 ...FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY MORNING... * WHAT...Sub-freezing temperatures as low as 25 possible. * WHERE...Morrow and Knox Counties. * WHEN...From late tonight through Thursday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ For more information from the National Weather Service visit http://www.weather.gov/cle
417 WWUS71 KCLE 211403 NPWCLE URGENT - WEATHER MESSAGE National Weather Service Cleveland OH 1003 AM EDT Wed Apr 21 2021 OHZ003-006-017-027-036-212215- /O.EXP.KCLE.FZ.W.0001.000000T0000Z-210421T1400Z/ /O.NEW.KCLE.FZ.W.0002.210422T0200Z-210422T1400Z/ Lucas-Wood-Hancock-Wyandot-Marion- Including the cities of Toledo, Bowling Green, Perrysburg, Findlay, Upper Sandusky, Carey, and Marion 1003 AM EDT Wed Apr 21 2021 ...FREEZE WARNING IN EFFECT FROM 10 PM THIS EVENING TO 10 AM EDT THURSDAY... * WHAT...Sub-freezing temperatures as low as 26 expected. * WHERE...Lucas, Wood, Hancock, Wyandot and Marion Counties. * WHEN...From 10 PM this evening to 10 AM EDT Thursday. * 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. && $$ OHZ037-047-212215- /O.UPG.KCLE.FZ.A.0002.210422T0500Z-210422T1400Z/ /O.NEW.KCLE.FZ.W.0002.210422T0200Z-210422T1400Z/ Morrow-Knox- Including the cities of Mount Gilead, Cardington, and Mount Vernon 1003 AM EDT Wed Apr 21 2021 ...FREEZE WARNING IN EFFECT FROM 10 PM THIS EVENING TO 10 AM EDT THURSDAY... * WHAT...Sub-freezing temperatures as low as 25 expected. * WHERE...Morrow and Knox Counties. * WHEN...From 10 PM this evening to 10 AM EDT Thursday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ 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 20, 3:47 AM EDT | Small Craft Advisory | CLE | 43 hr | |
| Apr 20, 3:54 AM EDT | Winter Weather Advisory | CLE | Ashland, Ashtabula, Crawford, Cuyahoga, Erie, Geauga and 14 more | 30 hr |
| Apr 20, 3:53 PM EDT | Freeze Watch | CLE | Knox, Morrow | 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.