Alert archive / Ohio / Frost Advisories in 2017

Frost Advisory 4, NWS Cleveland, OH

October 16, 201715 counties in Ohio; Crawford County, Erie County, Pennsylvania

NWS Cleveland, OH issued this frost advisory at Oct 16, 2017, 3:04 PM EDT for 15 counties in Ohio; Crawford County, Erie County, Pennsylvania. It took effect at Oct 17, 2017, 2:00 AM EDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Oct 16, 2017, 3:04 PM EDT (19:04 UTC)
In effect from
Oct 17, 2017, 2:00 AM EDT
Expired
Oct 17, 2017, 10:00 AM EDT
In force
8 hr
Issued by
NWS Cleveland, OH

Counties Ashland County, OH, Ashtabula County, OH, Geauga County, OH, Holmes County, OH, Knox County, OH, Mahoning County, OH, Marion County, OH, Medina County, OH, Morrow County, OH, Portage County, OH, Richland County, OH, Stark County, OH, Summit County, OH, Trumbull County, OH, Wayne County, OH, Crawford County, PA, Erie County, PA

The radar

The Cleveland radar (KCLE), 45 km from the middle of the area, began a volume at 19:06 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, 7.1 hours before the alert went out and 144 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 2017-10-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 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 2017-10-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -145 square meters per square second.1939587897117136Sfc1 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
602 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
-145 m²/s²
0-3 km storm-relative helicity
-58 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

928 
WWUS71 KCLE 161904
NPWCLE

URGENT - WEATHER MESSAGE
National Weather Service Cleveland OH
304 PM EDT Mon Oct 16 2017

OHZ013-014-020>023-029>033-036>038-047-PAZ002-003-170300-
/O.NEW.KCLE.FR.Y.0004.171017T0600Z-171017T1400Z/
Geauga-Ashtabula Inland-Medina-Summit-Portage-Trumbull-Richland-
Ashland-Wayne-Stark-Mahoning-Marion-Morrow-Holmes-Knox-
Southern Erie-Crawford-
Including the cities of Chardon, Jefferson, Medina, Akron, 
Ravenna, Warren, Mansfield, Ashland, Wooster, Canton, Youngstown,
Marion, Mount Gilead, Millersburg, Mount Vernon, Edinboro, 
and Meadville
304 PM EDT Mon Oct 16 2017

...FROST ADVISORY IN EFFECT FROM 2 AM TO 10 AM EDT TUESDAY...

The National Weather Service in Cleveland has issued a Frost
Advisory, which is in effect from 2 AM to 10 AM EDT Tuesday.

* Temperatures...32 to 36 degrees.

* Timing...late Tonight into early Tuesday morning

* Impacts...Unprotected 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.

&&

$$
3 follow-up statements
414 
WWUS71 KCLE 170122
NPWCLE

URGENT - WEATHER MESSAGE
National Weather Service Cleveland OH
922 PM EDT Mon Oct 16 2017


OHZ013-014-020>023-029>033-036>038-047-PAZ002-003-170930-
/O.CON.KCLE.FR.Y.0004.171017T0600Z-171017T1400Z/
Geauga-Ashtabula Inland-Medina-Summit-Portage-Trumbull-Richland-
Ashland-Wayne-Stark-Mahoning-Marion-Morrow-Holmes-Knox-
Southern Erie-Crawford-
Including the cities of Chardon, Jefferson, Medina, Akron, 
Ravenna, Warren, Mansfield, Ashland, Wooster, Canton, Youngstown,
Marion, Mount Gilead, Millersburg, Mount Vernon, Edinboro, 
and Meadville
922 PM EDT Mon Oct 16 2017

...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 10 AM EDT
TUESDAY...

* Temperatures...32 to 36 degrees.

* Timing...late Tonight into early Tuesday morning

* Impacts...Unprotected 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.

&&

$$
836 
WWUS71 KCLE 170711
NPWCLE

URGENT - WEATHER MESSAGE
National Weather Service Cleveland OH
311 AM EDT Tue Oct 17 2017


OHZ013-014-020>023-029>033-036>038-047-PAZ002-003-171400-
/O.CON.KCLE.FR.Y.0004.000000T0000Z-171017T1400Z/
Geauga-Ashtabula Inland-Medina-Summit-Portage-Trumbull-Richland-
Ashland-Wayne-Stark-Mahoning-Marion-Morrow-Holmes-Knox-
Southern Erie-Crawford-
Including the cities of Chardon, Jefferson, Medina, Akron, 
Ravenna, Warren, Mansfield, Ashland, Wooster, Canton, Youngstown,
Marion, Mount Gilead, Millersburg, Mount Vernon, Edinboro, 
and Meadville
311 AM EDT Tue Oct 17 2017

...FROST ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT THIS
MORNING...

* Temperatures...32 to 37 degrees.

* Timing...Through early Tuesday morning

* Impacts...Unprotected sensitive vegetation may be damaged by
  frost.

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.

&&

$$
026 
WWUS71 KCLE 171356
NPWCLE

URGENT - WEATHER MESSAGE
National Weather Service Cleveland OH
956 AM EDT Tue Oct 17 2017

OHZ013-014-020>023-029>033-036>038-047-PAZ002-003-171500-
/O.EXP.KCLE.FR.Y.0004.000000T0000Z-171017T1400Z/
Geauga-Ashtabula Inland-Medina-Summit-Portage-Trumbull-Richland-
Ashland-Wayne-Stark-Mahoning-Marion-Morrow-Holmes-Knox-
Southern Erie-Crawford-
Including the cities of Chardon, Jefferson, Medina, Akron, 
Ravenna, Warren, Mansfield, Ashland, Wooster, Canton, Youngstown,
Marion, Mount Gilead, Millersburg, Mount Vernon, Edinboro, 
and Meadville
956 AM EDT Tue Oct 17 2017

...FROST ADVISORY WILL EXPIRE AT 10 AM EDT THIS MORNING...

Temperatures have warmed into the upper 40s to low 50s this
morning, ending the threat for frost. Therefore, the advisory will
be allowed to expire.

$$

The office that day

Everything else NWS Cleveland, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 15, 8:07 PM EDTSmall Craft AdvisoryCLE13 hr

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.