Alert archive / Ohio / Frost Advisories in 2011

Frost Advisory 2, NWS Cleveland, OH

October 21, 201115 counties in Ohio

NWS Cleveland, OH issued this frost advisory at Oct 21, 2011, 3:56 AM EDT for 15 counties in Ohio. It took effect at Oct 22, 2011, 4:00 AM EDT. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Oct 21, 2011, 3:56 AM EDT (07:56 UTC)
In effect from
Oct 22, 2011, 4:00 AM EDT
Expired
Oct 22, 2011, 9:00 AM EDT
In force
5 hr
Issued by
NWS Cleveland, OH

Counties Ashland County, OH, Crawford County, OH, Erie County, OH, Hancock County, OH, Huron County, OH, Knox County, OH, Lucas County, OH, Marion County, OH, Morrow County, OH, Ottawa County, OH, Richland County, OH, Sandusky County, OH, Seneca County, OH, Wood County, OH, Wyandot County, OH

The radar

The Cleveland radar (KCLE), 103 km from the middle of the area, began a volume at 07:56 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 00:00Z, 7.9 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.

Skew-T log-pSkew-T log-p diagram, Cncnati-Daytn, OH at 00:00Z on 2011-10-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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, Cncnati-Daytn, OH at 00:00Z on 2011-10-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 269 square meters per square second.19395878Sfc1 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
486 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
269 m²/s²
0-3 km storm-relative helicity
305 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

429 
WWUS71 KCLE 210756
NPWCLE

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CLEVELAND OH
356 AM EDT FRI OCT 21 2011


OHZ003-006>008-017-018-027-028-036-037-211600-
/O.NEW.KCLE.FR.Y.0002.111022T0800Z-111022T1300Z/
LUCAS-WOOD-OTTAWA-SANDUSKY-HANCOCK-SENECA-WYANDOT-CRAWFORD-MARION-
MORROW-
INCLUDING THE CITIES OF...TOLEDO...BOWLING GREEN...PORT CLINTON...
FREMONT...FINDLAY...TIFFIN...UPPER SANDUSKY...CAREY...BUCYRUS...
MARION...MOUNT GILEAD
356 AM EDT FRI OCT 21 2011

...FROST ADVISORY IN EFFECT FROM 4 AM TO 9 AM EDT SATURDAY...

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A FROST
ADVISORY...WHICH IS IN EFFECT FROM 4 AM TO 9 AM EDT SATURDAY. 

* TEMPERATURE...CLOUDS WILL DISSIPATE AND ALLOW OVERNIGHT
  TEMPERATURES TO DROP INTO THE 30S. THIS WILL ALLOW FROST TO
  DEVELOP.

* IMPACTS...FROST WILL DAMAGE TENDER VEGETATION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY IS ISSUED WHEN FROST IS EXPECTED TO DEVELOP
DURING THE GROWING SEASON. THOSE WITH AGRICULTURAL INTERESTS IN
THE WARNED AREA ARE ADVISED TO HARVEST OR PROTECT TENDER
VEGETATION. ALSO, POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE
COVERED OR BROUGHT INSIDE AWAY FROM THE COLD.

&&

$$
5 follow-up statements
527 
WWUS71 KCLE 211413
NPWCLE

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CLEVELAND OH
1013 AM EDT FRI OCT 21 2011

OHZ003-006>008-017-018-027-028-036-037-212215-
/O.CON.KCLE.FR.Y.0002.111022T0800Z-111022T1300Z/
LUCAS-WOOD-OTTAWA-SANDUSKY-HANCOCK-SENECA-WYANDOT-CRAWFORD-MARION-
MORROW-
INCLUDING THE CITIES OF...TOLEDO...BOWLING GREEN...PORT CLINTON...
FREMONT...FINDLAY...TIFFIN...UPPER SANDUSKY...CAREY...BUCYRUS...
MARION...MOUNT GILEAD
1013 AM EDT FRI OCT 21 2011

...FROST ADVISORY REMAINS IN EFFECT FROM 4 AM TO 9 AM EDT
SATURDAY...

* TEMPERATURE...CLOUDS WILL DISSIPATE AND ALLOW OVERNIGHT 
  TEMPERATURES TO DROP INTO THE MID 30S. THIS WILL ALLOW FROST TO 
  DEVELOP. 

* IMPACTS...FROST WILL DAMAGE TENDER VEGETATION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY IS ISSUED WHEN FROST IS EXPECTED TO DEVELOP
DURING THE GROWING SEASON. THOSE WITH AGRICULTURAL INTERESTS IN
THE WARNED AREA ARE ADVISED TO HARVEST OR PROTECT TENDER
VEGETATION. ALSO... POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD
BE COVERED OR BROUGHT INSIDE AWAY FROM THE COLD.

&&

$$
298 
WWUS71 KCLE 211913
NPWCLE

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CLEVELAND OH
313 PM EDT FRI OCT 21 2011

OHZ009-019-029-030-047-220315-
/O.EXA.KCLE.FR.Y.0002.111022T0800Z-111022T1300Z/
ERIE OH-HURON-RICHLAND-ASHLAND-KNOX-
INCLUDING THE CITIES OF...SANDUSKY...NORWALK...MANSFIELD...
ASHLAND...MOUNT VERNON
313 PM EDT FRI OCT 21 2011

...FROST ADVISORY IN EFFECT FROM 4 AM TO 9 AM EDT SATURDAY...

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A FROST
ADVISORY...WHICH IS IN EFFECT FROM 4 AM TO 9 AM EDT SATURDAY. 

* TEMPERATURES...CLOUDS WILL SLOWLY DECREASE TONIGHT AND
  TEMPERATURES WILL DROP INTO THE MID 30S.

* TIMING...AREAS OF FROST WILL BEGIN TO FORM WELL AFTER MIDNIGHT.

* IMPACTS...FROST WILL DAMAGE TENDER VEGETATION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY IS ISSUED WHEN FROST IS EXPECTED TO DEVELOP
DURING THE GROWING SEASON. THOSE WITH AGRICULTURAL INTERESTS IN
THE WARNED AREA ARE ADVISED TO HARVEST OR PROTECT TENDER
VEGETATION. ALSO, POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE
COVERED OR BROUGHT INSIDE AWAY FROM THE COLD.

&&

$$

OHZ003-006>008-017-018-027-028-036-037-220315-
/O.CON.KCLE.FR.Y.0002.111022T0800Z-111022T1300Z/
LUCAS-WOOD-OTTAWA-SANDUSKY-HANCOCK-SENECA-WYANDOT-CRAWFORD-MARION-
MORROW-
INCLUDING THE CITIES OF...TOLEDO...BOWLING GREEN...PORT CLINTON...
FREMONT...FINDLAY...TIFFIN...UPPER SANDUSKY...CAREY...BUCYRUS...
MARION...MOUNT GILEAD
313 PM EDT FRI OCT 21 2011

...FROST ADVISORY REMAINS IN EFFECT FROM 4 AM TO 9 AM EDT
SATURDAY...

* TEMPERATURES...CLOUDS WILL SLOWLY DECREASE TONIGHT AND
  TEMPERATURES WILL DROP INTO THE MID 30S.

* TIMING...AREAS OF FROST WILL BEGIN TO FORM WELL AFTER MIDNIGHT.

* IMPACTS...FROST WILL DAMAGE TENDER VEGETATION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY IS ISSUED WHEN FROST IS EXPECTED TO DEVELOP
DURING THE GROWING SEASON. THOSE WITH AGRICULTURAL INTERESTS IN
THE WARNED AREA ARE ADVISED TO HARVEST OR PROTECT TENDER
VEGETATION. ALSO... POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD
BE COVERED OR BROUGHT INSIDE AWAY FROM THE COLD.

&&

$$
318 
WWUS71 KCLE 220045
NPWCLE

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CLEVELAND OH
845 PM EDT FRI OCT 21 2011

OHZ003-006>009-017>019-027>030-036-037-047-220845-
/O.CON.KCLE.FR.Y.0002.111022T0800Z-111022T1300Z/
LUCAS-WOOD-OTTAWA-SANDUSKY-ERIE OH-HANCOCK-SENECA-HURON-WYANDOT-
CRAWFORD-RICHLAND-ASHLAND-MARION-MORROW-KNOX-
INCLUDING THE CITIES OF...TOLEDO...BOWLING GREEN...PORT CLINTON...
FREMONT...SANDUSKY...FINDLAY...TIFFIN...NORWALK...
UPPER SANDUSKY...CAREY...BUCYRUS...MANSFIELD...ASHLAND...MARION...
MOUNT GILEAD...MOUNT VERNON
845 PM EDT FRI OCT 21 2011

...FROST ADVISORY REMAINS IN EFFECT FROM 4 AM TO 9 AM EDT
SATURDAY...

* TEMPERATURES...CLOUDS WILL SLOWLY DECREASE FROM THE WEST TONIGHT
  ALLOWING TEMPERATURES WILL DROP INTO THE MID 30S.

* TIMING...AREAS OF FROST WILL BEGIN TO FORM WELL AFTER MIDNIGHT.

* IMPACTS...FROST WILL DAMAGE TENDER VEGETATION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY IS ISSUED WHEN FROST IS EXPECTED TO DEVELOP
DURING THE GROWING SEASON. THOSE WITH AGRICULTURAL INTERESTS IN
THE WARNED AREA ARE ADVISED TO HARVEST OR PROTECT TENDER
VEGETATION. ALSO... POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD
BE COVERED OR BROUGHT INSIDE AWAY FROM THE COLD.

&&

$$
884 
WWUS71 KCLE 220836
NPWCLE

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CLEVELAND OH
436 AM EDT SAT OCT 22 2011

OHZ003-006>009-017>019-027>030-036-037-047-221300-
/O.CON.KCLE.FR.Y.0002.000000T0000Z-111022T1300Z/
LUCAS-WOOD-OTTAWA-SANDUSKY-ERIE OH-HANCOCK-SENECA-HURON-WYANDOT-
CRAWFORD-RICHLAND-ASHLAND-MARION-MORROW-KNOX-
INCLUDING THE CITIES OF...TOLEDO...BOWLING GREEN...PORT CLINTON...
FREMONT...SANDUSKY...FINDLAY...TIFFIN...NORWALK...
UPPER SANDUSKY...CAREY...BUCYRUS...MANSFIELD...ASHLAND...MARION...
MOUNT GILEAD...MOUNT VERNON
436 AM EDT SAT OCT 22 2011

...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING...

* TEMPERATURES...WILL DROP INTO THE LOWER AND MID 30S EARLY THIS
  MORNING ACROSS PARTS OF NORTHWEST AND NORTH CENTRAL OHIO.

* TIMING...AREAS OF FROST WILL DEVELOP UNTIL SUNRISE.

* IMPACTS...FROST WILL DAMAGE TENDER VEGETATION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THOSE WITH AGRICULTURAL INTERESTS IN THE WARNED AREA ARE ADVISED
TO PROTECT TENDER VEGETATION. POTTED PLANTS NORMALLY LEFT
OUTDOORS SHOULD BE COVERED OR BROUGHT INSIDE AWAY FROM THE COLD.

&&

$$
324 
WWUS71 KCLE 221312
NPWCLE

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CLEVELAND OH
912 AM EDT SAT OCT 22 2011

OHZ003-006>009-017>019-027>030-036-037-047-221415-
/O.EXP.KCLE.FR.Y.0002.000000T0000Z-111022T1300Z/
LUCAS-WOOD-OTTAWA-SANDUSKY-ERIE OH-HANCOCK-SENECA-HURON-WYANDOT-
CRAWFORD-RICHLAND-ASHLAND-MARION-MORROW-KNOX-
INCLUDING THE CITIES OF...TOLEDO...BOWLING GREEN...PORT CLINTON...
FREMONT...SANDUSKY...FINDLAY...TIFFIN...NORWALK...
UPPER SANDUSKY...CAREY...BUCYRUS...MANSFIELD...ASHLAND...MARION...
MOUNT GILEAD...MOUNT VERNON
912 AM EDT SAT OCT 22 2011

...FROST ADVISORY HAS EXPIRED...

TEMPERATURES HAVE STARTED TO WARM ENDING THE THREAT OF FROST.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 20, 10:27 PM EDTRiver Flood WarningCLELucas, Wood37 hr
Oct 21, 6:49 AM EDTRiver Flood WarningCLELake11 hr
Oct 21, 8:53 AM EDTRiver Flood WarningCLEMarion72 hr

Nearby

Frost Advisories in Ohio, 2011Every frost advisory in 2011

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.