Alert archive / Ohio / Frost Advisories in 2021
Frost Advisory 5, NWS Cleveland, OH
NWS Cleveland, OH issued this frost advisory at May 9, 2021, 3:10 PM EDT for 27 counties in Ohio; Crawford County, Erie County, Pennsylvania. It took effect at May 10, 2021, 2:00 AM EDT. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- May 9, 2021, 3:10 PM EDT (19:10 UTC)
- In effect from
- May 10, 2021, 2:00 AM EDT
- Expired
- May 10, 2021, 6:02 AM EDT
- In force
- 4 hr
- Issued by
- NWS Cleveland, OH
All 29 counties
Ashland County, OH, Ashtabula County, OH, Crawford County, OH, Cuyahoga County, OH, Erie County, OH, Geauga County, OH, Hancock County, OH, Holmes County, OH, Huron County, OH, Knox County, OH, Lorain County, OH, Lucas County, OH, Mahoning County, OH, Marion County, OH, Medina County, OH, Morrow County, OH, Ottawa County, OH, Portage County, OH, Richland County, OH, Sandusky County, OH, Seneca County, OH, Stark County, OH, Summit County, OH, Trumbull County, OH, Wayne County, OH, Wood County, OH, Wyandot County, OH, Crawford County, PA, Erie County, PA
The radar
The Cleveland radar (KCLE), 37 km from the middle of the area, began a volume at 19:10 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
Pittsburgh, PA (KPIT), launched 12:00Z, 7.2 hours before the alert went out and 191 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
- 786 m above ground
- 0-6 km bulk shear
- 67 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- 370 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
820 WWUS71 KCLE 091910 NPWCLE URGENT - WEATHER MESSAGE National Weather Service Cleveland OH 310 PM EDT Sun May 9 2021 OHZ003-006>011-013-014-017>023-027>033-036>038-047-PAZ002-003- 100315- /O.NEW.KCLE.FR.Y.0005.210510T0600Z-210510T1200Z/ Lucas-Wood-Ottawa-Sandusky-Erie-Lorain-Cuyahoga-Geauga- Ashtabula Inland-Hancock-Seneca-Huron-Medina-Summit-Portage- Trumbull-Wyandot-Crawford-Richland-Ashland-Wayne-Stark-Mahoning- Marion-Morrow-Holmes-Knox-Southern Erie- Including the cities of Toledo, Bowling Green, Perrysburg, Port Clinton, Oak Harbor, Genoa, Fremont, Bellevue, Clyde, Sandusky, Huron, Lorain, Elyria, North Ridgeville, Avon Lake, Cleveland, Chardon, South Russell, Bainbridge, Chesterland, Middlefield, Burton, Jefferson, Orwell, Andover, Roaming Shores, Findlay, Tiffin, Fostoria, Norwalk, Willard, Brunswick, Medina, Wadsworth, Akron, Kent, Aurora, Streetsboro, Ravenna, Warren, Niles, Upper Sandusky, Carey, Bucyrus, Galion, Crestline, Mansfield, Ashland, Wooster, Orrville, Rittman, Canton, Massillon, Alliance, Youngstown, Boardman, Austintown, Marion, Mount Gilead, Cardington, Millersburg, Killbuck, Mount Vernon, Edinboro, Corry, Union City, Meadville, and Titusville 310 PM EDT Sun May 9 2021 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM EDT MONDAY... * WHAT...Temperatures as low as 36 will result in frost formation. * WHERE...Portions of northwest Pennsylvania and north central, northeast and northwest Ohio. * WHEN...From 2 AM to 8 AM EDT Monday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ For more information from the National Weather Service visit http://www.weather.gov/cle
2 follow-up statements
310 WWUS71 KCLE 100146 NPWCLE URGENT - WEATHER MESSAGE National Weather Service Cleveland OH 946 PM EDT Sun May 9 2021 OHZ003-006>011-013-014-017>023-027>033-036>038-047-PAZ002-003- 101000- /O.CON.KCLE.FR.Y.0005.210510T0600Z-210510T1200Z/ Lucas-Wood-Ottawa-Sandusky-Erie-Lorain-Cuyahoga-Geauga- Ashtabula Inland-Hancock-Seneca-Huron-Medina-Summit-Portage- Trumbull-Wyandot-Crawford-Richland-Ashland-Wayne-Stark-Mahoning- Marion-Morrow-Holmes-Knox-Southern Erie- Including the cities of Toledo, Bowling Green, Perrysburg, Port Clinton, Oak Harbor, Genoa, Fremont, Bellevue, Clyde, Sandusky, Huron, Lorain, Elyria, North Ridgeville, Avon Lake, Cleveland, Chardon, South Russell, Bainbridge, Chesterland, Middlefield, Burton, Jefferson, Orwell, Andover, Roaming Shores, Findlay, Tiffin, Fostoria, Norwalk, Willard, Brunswick, Medina, Wadsworth, Akron, Kent, Aurora, Streetsboro, Ravenna, Warren, Niles, Upper Sandusky, Carey, Bucyrus, Galion, Crestline, Mansfield, Ashland, Wooster, Orrville, Rittman, Canton, Massillon, Alliance, Youngstown, Boardman, Austintown, Marion, Mount Gilead, Cardington, Millersburg, Killbuck, Mount Vernon, Edinboro, Corry, Union City, Meadville, and Titusville 946 PM EDT Sun May 9 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM EDT MONDAY... * WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...Portions of northwest Pennsylvania and north central, northeast and northwest Ohio. * WHEN...From 2 AM to 8 AM EDT Monday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ For more information from the National Weather Service visit http://www.weather.gov/cle
419 WWUS71 KCLE 101002 NPWCLE URGENT - WEATHER MESSAGE National Weather Service Cleveland OH 602 AM EDT Mon May 10 2021 OHZ003-006>011-013-014-017>023-027>033-036>038-047-PAZ002-003- 101115- /O.CAN.KCLE.FR.Y.0005.000000T0000Z-210510T1200Z/ Lucas-Wood-Ottawa-Sandusky-Erie-Lorain-Cuyahoga-Geauga- Ashtabula Inland-Hancock-Seneca-Huron-Medina-Summit-Portage- Trumbull-Wyandot-Crawford-Richland-Ashland-Wayne-Stark-Mahoning- Marion-Morrow-Holmes-Knox-Southern Erie- Including the cities of Toledo, Bowling Green, Perrysburg, Port Clinton, Oak Harbor, Genoa, Fremont, Bellevue, Clyde, Sandusky, Huron, Lorain, Elyria, North Ridgeville, Avon Lake, Cleveland, Chardon, South Russell, Bainbridge, Chesterland, Middlefield, Burton, Jefferson, Orwell, Andover, Roaming Shores, Findlay, Tiffin, Fostoria, Norwalk, Willard, Brunswick, Medina, Wadsworth, Akron, Kent, Aurora, Streetsboro, Ravenna, Warren, Niles, Upper Sandusky, Carey, Bucyrus, Galion, Crestline, Mansfield, Ashland, Wooster, Orrville, Rittman, Canton, Massillon, Alliance, Youngstown, Boardman, Austintown, Marion, Mount Gilead, Cardington, Millersburg, Killbuck, Mount Vernon, Edinboro, Corry, Union City, Meadville, and Titusville 602 AM EDT Mon May 10 2021 ...FROST ADVISORY IS CANCELLED... Areas of frost developed across the region overnight and will gradually dissipate with the rising sun. $$ 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 |
|---|---|---|---|---|
| May 8, 9:50 PM EDT | Small Craft Advisory | CLE | 30 hr | |
| May 9, 2:06 PM EDT | Special Weather Statement | CLE | Ashtabula | 84 min |
| May 9, 2:53 PM EDT | River Flood Warning | CLE | Holmes, Wayne | 6 days |
| May 9, 2:53 PM EDT | River Flood Warning | CLE | Hancock | 30 hr |
| May 9, 3:23 PM EDT | River Flood Warning | CLE | Lorain | 52 hr |
| May 9, 3:55 PM EDT | Areal Flood Warning | CLE | Ashland, Crawford, Huron, Medina, Richland, Seneca and 1 more | 3 hr |
| May 9, 5:04 PM EDT | River Flood Warning | CLE | Delaware, Marion | 4 days |
| May 9, 5:04 PM EDT | River Flood Warning | CLE | Erie | 22 hr |
| May 9, 5:04 PM EDT | River Flood Warning | CLE | Marion | 54 hr |
| May 9, 6:20 PM EDT | Areal Flood Warning | CLE | Stark | 3 hr |
| May 9, 6:28 PM EDT | River Flood Warning | CLE | Stark | 17 hr |
| May 9, 6:43 PM EDT | Areal Flood Warning | CLE | Ashland, Crawford, Holmes, Huron, Knox, Marion and 4 more | 30 hr |
| May 9, 6:48 PM EDT | Areal Flood Warning | CLE | Stark | 6 hr |
| May 9, 6:54 PM EDT | Areal Flood Warning | CLE | Morrow | 6 hr |
| May 9, 7:14 PM EDT | River Flood Warning | CLE | Trumbull | 38 hr |
Nearby
Frost Advisories in Ohio, 2021Frost Advisories in Pennsylvania, 2021Every frost advisory 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.