Alert archive / Ohio / Frost Advisories in 2017

Frost Advisory 3, NWS Cleveland, OH

September 30, 201721 counties in Ohio; Crawford County, Erie County, Pennsylvania

NWS Cleveland, OH issued this frost advisory at Sep 30, 2017, 2:00 PM EDT for 21 counties in Ohio; Crawford County, Erie County, Pennsylvania. It took effect at Oct 1, 2017, 2:00 AM EDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Sep 30, 2017, 2:00 PM EDT (18:00 UTC)
In effect from
Oct 1, 2017, 2:00 AM EDT
Expired
Oct 1, 2017, 8:00 AM EDT
In force
6 hr
Issued by
NWS Cleveland, OH
All 23 counties

Ashland County, OH, Ashtabula County, OH, Crawford County, OH, Geauga County, OH, Hancock County, OH, Holmes County, OH, Huron County, OH, Knox County, OH, Lorain County, OH, Mahoning County, OH, Marion County, OH, Medina County, OH, Morrow County, OH, Portage County, OH, Richland County, OH, Seneca County, OH, Stark County, OH, Summit County, OH, Trumbull County, OH, Wayne County, OH, Wyandot County, OH, Crawford County, PA, Erie County, PA

The radar

The Cleveland radar (KCLE), 38 km from the middle of the area, began a volume at 18:00 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 (KAGC), launched 12:00Z, 6.0 hours before the alert went out and 171 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.

Skew-T log-pSkew-T log-p diagram, Pittsburgh, PA at 12:00Z on 2017-09-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 12:00Z on 2017-09-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -44 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
849 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
-44 m²/s²
0-3 km storm-relative helicity
73 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

197 
WWUS71 KCLE 301800
NPWCLE

URGENT - WEATHER MESSAGE
National Weather Service Cleveland OH
200 PM EDT Sat Sep 30 2017


OHZ013-014-022-023-033-PAZ002-003-010200-
/O.NEW.KCLE.FR.Y.0003.171001T0600Z-171001T1200Z/
Geauga-Ashtabula Inland-Portage-Trumbull-Mahoning-Southern Erie-
Crawford-
Including the cities of Chardon, Jefferson, Ravenna, Warren, 
Youngstown, Edinboro, and Meadville
200 PM EDT Sat Sep 30 2017

...FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM EDT SUNDAY...

The National Weather Service in Cleveland has issued a Frost
Advisory, which is in effect from 2 AM to 8 AM EDT Sunday. 

* TEMPERATURE...Lows in the mid 30s. 

* IMPACTS...Frost will develop and unprotected or sensitive
  vegetation may be damaged. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Frost Advisory is issued when frost is expected during the
growing season. Those with agricultural interests are advised to
harvest or protect tender vegetation. Potted plants outdoors
should be covered or brought inside.

&&

$$
4 follow-up statements
501 
WWUS71 KCLE 302233
NPWCLE

URGENT - WEATHER MESSAGE
National Weather Service Cleveland OH
633 PM EDT Sat Sep 30 2017

OHZ010-017>021-027>032-036>038-047-010645-
/O.EXA.KCLE.FR.Y.0003.171001T0600Z-171001T1200Z/
Lorain-Hancock-Seneca-Huron-Medina-Summit-Wyandot-Crawford-
Richland-Ashland-Wayne-Stark-Marion-Morrow-Holmes-Knox-
Including the cities of Lorain, Findlay, Tiffin, Norwalk, Medina,
Akron, Upper Sandusky, Bucyrus, Mansfield, Ashland, Wooster, 
Canton, Marion, Mount Gilead, Millersburg, and Mount Vernon
633 PM EDT Sat Sep 30 2017

...FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM EDT SUNDAY...

The National Weather Service in Cleveland has issued a Frost
Advisory, which is in effect from 2 AM to 8 AM EDT Sunday.

* TEMPERATURE...Lows in the mid 30s. The typically colder
  locations across the Central Highlands may dip to around 30. 

* IMPACTS...Frost will develop and unprotected or sensitive 
  vegetation may be damaged.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Frost Advisory is issued when frost is expected during the
growing season. Those with agricultural interests are advised to
harvest or protect tender vegetation. Potted plants outdoors
should be covered or brought inside.

&&

$$

OHZ013-014-022-023-033-PAZ002-003-010645-
/O.CON.KCLE.FR.Y.0003.171001T0600Z-171001T1200Z/
Geauga-Ashtabula Inland-Portage-Trumbull-Mahoning-Southern Erie-
Crawford-
Including the cities of Chardon, Jefferson, Ravenna, Warren, 
Youngstown, Edinboro, and Meadville
633 PM EDT Sat Sep 30 2017

...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM EDT
SUNDAY...

* TEMPERATURE...Lows in the mid 30s. The typically colder
  locations across inland northwest Pennsylvania may dip to 
  around 30.
 
* IMPACTS...Frost will develop and unprotected or sensitive 
  vegetation may be damaged.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Frost Advisory is issued when frost is expected during the
growing season. Those with agricultural interests are advised to
harvest or protect tender vegetation. Potted plants outdoors
should be covered or brought inside.

&&

$$
381 
WWUS71 KCLE 010128
NPWCLE

URGENT - WEATHER MESSAGE
National Weather Service Cleveland OH
928 PM EDT Sat Sep 30 2017

OHZ010-013-014-017>023-027>033-036>038-047-PAZ002-003-010930-
/O.CON.KCLE.FR.Y.0003.171001T0600Z-171001T1200Z/
Lorain-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 Lorain, Chardon, Jefferson, Findlay, 
Tiffin, Norwalk, Medina, Akron, Ravenna, Warren, Upper Sandusky, 
Bucyrus, Mansfield, Ashland, Wooster, Canton, Youngstown, Marion,
Mount Gilead, Millersburg, Mount Vernon, Edinboro, and Meadville
928 PM EDT Sat Sep 30 2017

...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM EDT
SUNDAY...

* TEMPERATURE...Lows in the mid 30s. The typically colder
  locations across the Central Highlands and inland northwest 
  Pennsylvania may dip to around 30.

* IMPACTS...Frost will develop and unprotected or sensitive 
  vegetation may be damaged.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Frost Advisory is issued when frost is expected during the
growing season. Those with agricultural interests are advised to
harvest or protect tender vegetation. Potted plants outdoors
should be covered or brought inside.

&&

$$
282 
WWUS71 KCLE 010745
NPWCLE

URGENT - WEATHER MESSAGE
National Weather Service Cleveland OH
345 AM EDT Sun Oct 1 2017

OHZ010-013-014-017>023-027>033-036>038-047-PAZ002-003-011200-
/O.CON.KCLE.FR.Y.0003.000000T0000Z-171001T1200Z/
Lorain-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 Lorain, Chardon, Jefferson, Findlay, 
Tiffin, Norwalk, Medina, Akron, Ravenna, Warren, Upper Sandusky, 
Bucyrus, Mansfield, Ashland, Wooster, Canton, Youngstown, Marion,
Mount Gilead, Millersburg, Mount Vernon, Edinboro, and Meadville
345 AM EDT Sun Oct 1 2017

...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING...

* TEMPERATURE...Early morning temperatures will be in the lower
  and mid 30s in colder rural spots and low lying areas.
 
* IMPACTS...Frost will develop and unprotected or sensitive 
  vegetation may be damaged. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Frost Advisory is issued when frost is expected during the
growing season. Those with agricultural interests are advised to
harvest or protect tender vegetation. Potted plants outdoors
should be covered or brought inside.

&&

$$
937 
WWUS71 KCLE 011205
NPWCLE

URGENT - WEATHER MESSAGE
National Weather Service Cleveland OH
805 AM EDT Sun Oct 1 2017

OHZ010-013-014-017>023-027>033-036>038-047-PAZ002-003-011315-
/O.EXP.KCLE.FR.Y.0003.000000T0000Z-171001T1200Z/
Lorain-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 Lorain, Chardon, Jefferson, Findlay, 
Tiffin, Norwalk, Medina, Akron, Ravenna, Warren, Upper Sandusky, 
Bucyrus, Mansfield, Ashland, Wooster, Canton, Youngstown, Marion,
Mount Gilead, Millersburg, Mount Vernon, Edinboro, and Meadville
805 AM EDT Sun Oct 1 2017

...FROST ADVISORY HAS EXPIRED...

Temperatures are beginning to recover across the area and will
quickly warm into the upper 60s to near 70 today. Therefore, the
frost advisory has been allowed to expire.

$$

Nearby

Frost Advisories in Ohio, 2017Frost Advisories in Pennsylvania, 2017Every frost advisory in 2017

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.