Alert archive / Ohio / Freeze Warnings in 2012

Freeze Warning 13, NWS Cleveland, OH

October 12, 20127 counties in Ohio; Erie County, Pennsylvania

NWS Cleveland, OH issued this freeze warning at Oct 12, 2012, 3:06 PM EDT for 7 counties in Ohio; Erie County, Pennsylvania. It took effect at Oct 13, 2012, 12:00 AM EDT. It was in force for 9 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
Oct 12, 2012, 3:06 PM EDT (19:06 UTC)
In effect from
Oct 13, 2012, 12:00 AM EDT
Expired
Oct 13, 2012, 9:00 AM EDT
In force
9 hr
Issued by
NWS Cleveland, OH

Counties Ashtabula County, OH, Cuyahoga County, OH, Erie County, OH, Lake County, OH, Lorain County, OH, Lucas County, OH, Ottawa County, OH, Erie County, PA

The radar

The Cleveland radar (KCLE), 27 km from the middle of the area, began a volume at 19:05 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

Detroit, MI (KDTX), launched 12:00Z, 7.1 hours before the alert went out and 174 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, Detroit, MI at 12:00Z on 2012-10-12Temperature 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, Detroit, MI at 12:00Z on 2012-10-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -201 square meters per square second.1939587897117Sfc1 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
693 m above ground
0-6 km bulk shear
98 kt
0-1 km storm-relative helicity
-201 m²/s²
0-3 km storm-relative helicity
-54 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.

005 
WWUS71 KCLE 121906
NPWCLE

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CLEVELAND OH
306 PM EDT FRI OCT 12 2012

.HIGH PRESSURE AND DRY AIR WILL CONTINUE ACROSS THE AREA OVERNIGHT.
THIS COMBINED WITH NEARLY CALM WINDS WILL ALLOW TEMPERATURES TO
DROP INTO THE UPPER 20S AND LOWER 30S LATE TONIGHT.

OHZ003-007-009>012-089-PAZ001-002-130315-
/O.UPG.KCLE.FZ.A.0009.121013T0400Z-121013T1300Z/
/O.NEW.KCLE.FZ.W.0013.121013T0400Z-121013T1300Z/
LUCAS-OTTAWA-ERIE OH-LORAIN-CUYAHOGA-LAKE-ASHTABULA LAKESHORE-
NORTHERN ERIE-SOUTHERN ERIE-
INCLUDING THE CITIES OF...TOLEDO...PORT CLINTON...SANDUSKY...
LORAIN...CLEVELAND...MENTOR...ASHTABULA...ERIE...EDINBORO
306 PM EDT FRI OCT 12 2012

...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT
SATURDAY...

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT
SATURDAY. THE FREEZE WATCH IS NO LONGER IN EFFECT.

* TEMPERATURES...IN THE UPPER 20S TO LOWER 30S AWAY FROM THE
  IMMEDIATE LAKESHORE.

* TIMING...WIDESPREAD FROST WILL DEVELOP AFTER MIDNIGHT TONIGHT.

* IMPACTS...UNPROTECTED PLANTS WILL BE HARMED OR KILLED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING IS ISSUED WHEN FREEZING TEMPERATURES ARE
FORECAST TO THREATEN OUTDOOR PLANTS. IF YOU ARE IN THE WARNED
AREA YOU SHOULD HARVEST OR PROTECT TENDER VEGETATION. ALSO...
POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT
INSIDE AWAY FROM THE COLD. STAY TUNED TO WEATHER RADIO FOR
FURTHER DETAILS OR UPDATES.

THIS WILL BE THE LAST FROST/FREEZE HEADLINE OF THE SEASON.

&&

$$
3 follow-up statements
210 
WWUS71 KCLE 130232
NPWCLE

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CLEVELAND OH
1032 PM EDT FRI OCT 12 2012

.HIGH PRESSURE AND DRY AIR WILL CONTINUE ACROSS THE AREA
OVERNIGHT. THIS COMBINED WITH NEARLY CALM WINDS WILL ALLOW
TEMPERATURES TO DROP INTO THE UPPER 20S AND LOWER 30S LATE
TONIGHT.

OHZ003-007-009>012-089-PAZ001-002-131045-
/O.CON.KCLE.FZ.W.0013.121013T0400Z-121013T1300Z/
LUCAS-OTTAWA-ERIE OH-LORAIN-CUYAHOGA-LAKE-ASHTABULA LAKESHORE-
NORTHERN ERIE-SOUTHERN ERIE-
INCLUDING THE CITIES OF...TOLEDO...PORT CLINTON...SANDUSKY...
LORAIN...CLEVELAND...MENTOR...ASHTABULA...ERIE...EDINBORO
1032 PM EDT FRI OCT 12 2012

...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EDT SATURDAY...

* TEMPERATURES...IN THE UPPER 20S TO LOWER 30S AWAY FROM THE 
  IMMEDIATE LAKESHORE.

* TIMING...WIDESPREAD FROST WILL DEVELOP AFTER MIDNIGHT TONIGHT.

* IMPACTS...UNPROTECTED PLANTS WILL BE HARMED OR KILLED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING IS ISSUED WHEN FREEZING TEMPERATURES ARE
FORECAST TO THREATEN OUTDOOR PLANTS. IF YOU ARE IN THE WARNED
AREA YOU SHOULD HARVEST OR PROTECT TENDER VEGETATION. ALSO...
POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT
INSIDE AWAY FROM THE COLD. STAY TUNED TO WEATHER RADIO FOR
FURTHER DETAILS OR UPDATES.

THIS WILL BE THE LAST FROST/FREEZE HEADLINE OF THE SEASON.

&&

$$
676 
WWUS71 KCLE 130748
NPWCLE

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CLEVELAND OH
348 AM EDT SAT OCT 13 2012

.CLEAR SKIES AND LIGHT WINDS HAVE ALLOWED TEMPERATURES TO FALL
INTO THE LOW 30S THIS MORNING. TEMPERATURES WILL REMAIN NEAR
FREEZING ACROSS NORTHEAST OHIO AND NORTHWEST PENNSYLVANIA THROUGH
SUNRISE. 

OHZ003-007-009-130900-
/O.CAN.KCLE.FZ.W.0013.000000T0000Z-121013T1300Z/
LUCAS-OTTAWA-ERIE OH-
INCLUDING THE CITIES OF...TOLEDO...PORT CLINTON...SANDUSKY
348 AM EDT SAT OCT 13 2012

...FREEZE WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS CANCELLED THE
FREEZE WARNING.

TEMPERATURES HAVE WARMED INTO THE MID 30S ACROSS NORTHWEST OHIO AS
SOUTHEASTERLY WINDS INCREASE. TEMPERATURES WILL CONTINUE TO CLIMB
THIS MORNING AND THE THREAT OF A FREEZE HAS ENDED...THUS THE
WARNING HAS BEEN CANCELLED.

$$

OHZ010>012-089-PAZ001-002-131300-
/O.CON.KCLE.FZ.W.0013.000000T0000Z-121013T1300Z/
LORAIN-CUYAHOGA-LAKE-ASHTABULA LAKESHORE-NORTHERN ERIE-
SOUTHERN ERIE-
INCLUDING THE CITIES OF...LORAIN...CLEVELAND...MENTOR...
ASHTABULA...ERIE...EDINBORO
348 AM EDT SAT OCT 13 2012

...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING...

* TEMPERATURES...IN THE LOWER 30S AWAY FROM THE IMMEDIATE
  LAKESHORE.

* TIMING...AREAS OF FROST WILL REMAIN THROUGH SUNRISE. 

* IMPACTS...UNPROTECTED PLANTS WILL BE HARMED OR KILLED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING IS ISSUED WHEN FREEZING TEMPERATURES ARE
FORECAST TO THREATEN OUTDOOR PLANTS. IF YOU ARE IN THE WARNED
AREA YOU SHOULD HARVEST OR PROTECT TENDER VEGETATION. ALSO...
POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT
INSIDE AWAY FROM THE COLD. STAY TUNED TO WEATHER RADIO FOR
FURTHER DETAILS OR UPDATES.

THIS WILL BE THE LAST FROST/FREEZE HEADLINE OF THE SEASON.

&&

$$
092 
WWUS71 KCLE 131307
NPWCLE

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CLEVELAND OH
907 AM EDT SAT OCT 13 2012


OHZ010>012-089-PAZ001-002-131415-
/O.EXP.KCLE.FZ.W.0013.000000T0000Z-121013T1300Z/
LORAIN-CUYAHOGA-LAKE-ASHTABULA LAKESHORE-NORTHERN ERIE-
SOUTHERN ERIE-
INCLUDING THE CITIES OF...LORAIN...CLEVELAND...MENTOR...
ASHTABULA...ERIE...EDINBORO
907 AM EDT SAT OCT 13 2012

...FREEZE WARNING HAS EXPIRED...

THE FREEZE WARNING FOR THE LAKESHORE COUNTIES HAS EXPIRED.

MOST AREAS HAVE EXPERIENCED A FREEZE RECENTLY...THEREFORE THERE
WILL BE NO FURTHER FROST OR FREEZE HEADLINES THIS SEASON. WE WILL
RESUME AGAIN IN THE SPRING.

$$

OUDEMAN

Nearby

Freeze Warnings in Ohio, 2012Freeze Warnings in Pennsylvania, 2012Every freeze warning in 2012

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.