Alert archive / Ohio / Freeze Warnings in 2021
Freeze Warning 2, NWS Cleveland, OH
NWS Cleveland, OH issued this freeze warning at Apr 21, 2021, 10:03 AM EDT for 7 counties in Ohio. It took effect at Apr 21, 2021, 10:00 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
- Apr 21, 2021, 10:03 AM EDT (14:03 UTC)
- In effect from
- Apr 21, 2021, 10:00 PM EDT
- Expired
- Apr 22, 2021, 10:00 AM EDT
- In force
- 12 hr
- Issued by
- NWS Cleveland, OH
Counties Hancock County, OH, Knox County, OH, Lucas County, OH, Marion County, OH, Morrow County, OH, Wood County, OH, Wyandot County, OH
The radar
The Cleveland radar (KCLE), 126 km from the middle of the area, began a volume at 14:05 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, 2.1 hours before the alert went out and 173 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
- 624 m above ground
- 0-6 km bulk shear
- 69 kt
- 0-1 km storm-relative helicity
- -99 m²/s²
- 0-3 km storm-relative helicity
- 18 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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
4 follow-up statements
477 WWUS71 KCLE 211944 NPWCLE URGENT - WEATHER MESSAGE National Weather Service Cleveland OH 344 PM EDT Wed Apr 21 2021 OHZ003-006-017-027-036-037-047-220345- /O.CON.KCLE.FZ.W.0002.210422T0200Z-210422T1400Z/ Lucas-Wood-Hancock-Wyandot-Marion-Morrow-Knox- Including the cities of Toledo, Bowling Green, Perrysburg, Findlay, Upper Sandusky, Carey, Marion, Mount Gilead, Cardington, and Mount Vernon 344 PM EDT Wed Apr 21 2021 ...FREEZE WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 10 AM EDT THURSDAY... * WHAT...Sub-freezing temperatures as low as 25 expected. * WHERE...Lucas, Hancock, Wood, Marion, Morrow, Wyandot 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. && $$ For more information from the National Weather Service visit http://www.weather.gov/cle
657 WWUS71 KCLE 220321 NPWCLE URGENT - WEATHER MESSAGE National Weather Service Cleveland OH 1121 PM EDT Wed Apr 21 2021 OHZ003-006-017-027-036-037-047-221130- /O.CON.KCLE.FZ.W.0002.000000T0000Z-210422T1400Z/ Lucas-Wood-Hancock-Wyandot-Marion-Morrow-Knox- Including the cities of Toledo, Bowling Green, Perrysburg, Findlay, Upper Sandusky, Carey, Marion, Mount Gilead, Cardington, and Mount Vernon 1121 PM EDT Wed Apr 21 2021 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 10 AM EDT THURSDAY... * WHAT...Sub-freezing temperatures as low as 25 expected. * WHERE...Lucas, Hancock, Wood, Marion, Morrow, Wyandot and Knox Counties. * WHEN...From 10 PM this evening to 10 AM EDT Thursday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ For more information from the National Weather Service visit http://www.weather.gov/cle
862 WWUS71 KCLE 220735 NPWCLE URGENT - WEATHER MESSAGE National Weather Service Cleveland OH 335 AM EDT Thu Apr 22 2021 OHZ027-036-037-047-221545- /O.NEW.KCLE.FZ.A.0003.210423T0500Z-210423T1300Z/ /O.CON.KCLE.FZ.W.0002.000000T0000Z-210422T1400Z/ Wyandot-Marion-Morrow-Knox- Including the cities of Upper Sandusky, Carey, Marion, Mount Gilead, Cardington, and Mount Vernon 335 AM EDT Thu Apr 22 2021 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 10 AM EDT THIS MORNING... ...FREEZE WATCH IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY MORNING... * WHAT...For the Freeze Warning, sub-freezing temperatures as low as 27. For the Freeze Watch, sub-freezing temperatures as low as 31 possible. * WHERE...Wyandot, Marion, Morrow and Knox Counties. * WHEN...For the Freeze Warning, until 10 AM EDT this morning. For the Freeze Watch, from late tonight through Friday 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. && $$ OHZ003-006-017-221400- /O.CON.KCLE.FZ.W.0002.000000T0000Z-210422T1400Z/ Lucas-Wood-Hancock- Including the cities of Toledo, Bowling Green, Perrysburg, and Findlay 335 AM EDT Thu Apr 22 2021 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 10 AM EDT THIS MORNING... * WHAT...Sub-freezing temperatures as low as 26. * WHERE...Lucas, Hancock and Wood Counties. * WHEN...Until 10 AM EDT this morning. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ For more information from the National Weather Service visit http://www.weather.gov/cle
473 WWUS71 KCLE 221423 NPWCLE URGENT - WEATHER MESSAGE National Weather Service Cleveland OH 1023 AM EDT Thu Apr 22 2021 OHZ027-036-037-047-222230- /O.EXP.KCLE.FZ.W.0002.000000T0000Z-210422T1400Z/ /O.CON.KCLE.FZ.A.0003.210423T0500Z-210423T1300Z/ Wyandot-Marion-Morrow-Knox- Including the cities of Upper Sandusky, Carey, Marion, Mount Gilead, Cardington, and Mount Vernon 1023 AM EDT Thu Apr 22 2021 ...FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY MORNING... * WHAT...Sub-freezing temperatures as low as 31 possible. * WHERE...Marion, Morrow, Wyandot and Knox Counties. * WHEN...From late tonight through Friday 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. && $$ OHZ003-006-017-221530- /O.EXP.KCLE.FZ.W.0002.000000T0000Z-210422T1400Z/ Lucas-Wood-Hancock- Including the cities of Toledo, Bowling Green, Perrysburg, and Findlay 1023 AM EDT Thu Apr 22 2021 ...FREEZE WARNING HAS EXPIRED... Temperatures have warmed to the mid to upper 30s and the freeze threat for this morning has ended. $$ For more information from the National Weather Service visit http://www.weather.gov/cle
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.