Alert archive / Ohio / Freeze Warnings in 2012

Freeze Warning 2, NWS Cleveland, OH

March 29, 201210 counties in Ohio; Crawford County, Erie County, Pennsylvania

NWS Cleveland, OH issued this freeze warning at Mar 29, 2012, 3:44 AM EDT for 10 counties in Ohio; Crawford County, Erie County, Pennsylvania. It took effect at Mar 30, 2012, 2:00 AM EDT. It was in force for 7 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
Mar 29, 2012, 3:44 AM EDT (07:44 UTC)
In effect from
Mar 30, 2012, 2:00 AM EDT
Expired
Mar 30, 2012, 8:43 AM EDT
In force
7 hr
Issued by
NWS Cleveland, OH

Counties Ashtabula County, OH, Geauga County, OH, Holmes County, OH, Mahoning County, OH, Medina County, OH, Portage 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), 64 km from the middle of the area, began a volume at 07:45 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 00:00Z, 7.7 hours before the alert went out and 128 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 00:00Z on 2012-03-29Temperature 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 00:00Z on 2012-03-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 79 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
2881 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
79 m²/s²
0-3 km storm-relative helicity
148 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.

175 
WWUS71 KCLE 290744
NPWCLE

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CLEVELAND OH
344 AM EDT THU MAR 29 2012

.MOSTLY CLEAR SKIES AND LIGHT WINDS WILL ALLOW TEMPERATURES TO
DROP THROUGH THE 30S OVERNIGHT. LOWEST READINGS WILL BE ACROSS
INLAND NORTHEAST OHIO AND NORTHWEST PENNSYLVANIA WHERE TEMPERATURE
COULD DROP TO THE UPPER 20S.

OHZ013-014-020>023-031>033-038-PAZ002-003-291545-
/O.NEW.KCLE.FZ.W.0002.120330T0600Z-120330T1300Z/
GEAUGA-ASHTABULA INLAND-MEDINA-SUMMIT-PORTAGE-TRUMBULL-WAYNE-
STARK-MAHONING-HOLMES-SOUTHERN ERIE-CRAWFORD PA-
INCLUDING THE CITIES OF...CHARDON...JEFFERSON...MEDINA...AKRON...
RAVENNA...WARREN...WOOSTER...CANTON...YOUNGSTOWN...MILLERSBURG...
EDINBORO...MEADVILLE
344 AM EDT THU MAR 29 2012

...FREEZE WARNING IN EFFECT FROM 2 AM TO 9 AM EDT FRIDAY...

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM 2 AM TO 9 AM EDT FRIDAY. 

* TEMPERATURES...OVERNIGHT LOW TEMPERATURES WILL FALL TO THE UPPER
  20S TO LOWER 30S. 

* TIMING...LATE TONIGHT.

* IMPACTS...UNPROTECTED VEGETATION COULD BE DAMAGED BY FROST OR
  FREEZING TEMPERATURES.

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.

&&

$$

OHZ009>012-019-028>030-036-037-047-089-PAZ001-291545-
/O.NEW.KCLE.FR.Y.0001.120330T0600Z-120330T1300Z/
ERIE OH-LORAIN-CUYAHOGA-LAKE-HURON-CRAWFORD-RICHLAND-ASHLAND-
MARION-MORROW-KNOX-ASHTABULA LAKESHORE-NORTHERN ERIE-
INCLUDING THE CITIES OF...SANDUSKY...LORAIN...CLEVELAND...
MENTOR...NORWALK...BUCYRUS...MANSFIELD...ASHLAND...MARION...
MOUNT GILEAD...MOUNT VERNON...ASHTABULA...ERIE
344 AM EDT THU MAR 29 2012

...FROST ADVISORY IN EFFECT FROM 2 AM TO 9 AM EDT FRIDAY...

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A FROST
ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 9 AM EDT FRIDAY. 

* TEMPERATURES...OVERNIGHT LOW TEMPERATURES WILL FALL TO THE MID
  30S.

* TIMING...LATE TONIGHT.

* IMPACTS...UNPROTECTED VEGETATION COULD BE DAMAGED BY FROST.

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
726 
WWUS71 KCLE 291435
NPWCLE

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CLEVELAND OH
1035 AM EDT THU MAR 29 2012

.MOSTLY CLEAR SKIES AND LIGHT WINDS WILL ALLOW TEMPERATURES TO
DROP THROUGH THE 30S OVERNIGHT. LOWEST READINGS WILL BE ACROSS
INLAND NORTHEAST OHIO AND NORTHWEST PENNSYLVANIA WHERE
TEMPERATURE COULD DROP TO THE UPPER 20S.

OHZ013-014-020>023-031>033-038-PAZ002-003-292300-
/O.CON.KCLE.FZ.W.0002.120330T0600Z-120330T1300Z/
GEAUGA-ASHTABULA INLAND-MEDINA-SUMMIT-PORTAGE-TRUMBULL-WAYNE-
STARK-MAHONING-HOLMES-SOUTHERN ERIE-CRAWFORD PA-
INCLUDING THE CITIES OF...CHARDON...JEFFERSON...MEDINA...AKRON...
RAVENNA...WARREN...WOOSTER...CANTON...YOUNGSTOWN...MILLERSBURG...
EDINBORO...MEADVILLE
1035 AM EDT THU MAR 29 2012

...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 9 AM EDT
FRIDAY...

* TEMPERATURES...OVERNIGHT LOW TEMPERATURES WILL FALL TO THE 
  UPPER 20S TO LOWER 30S. 

* TIMING...LATE TONIGHT.

* IMPACTS...UNPROTECTED VEGETATION COULD BE DAMAGED BY FROST OR 
  FREEZING TEMPERATURES. 

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.

&&

$$

OHZ009>012-019-028>030-036-037-047-089-PAZ001-292300-
/O.CON.KCLE.FR.Y.0001.120330T0600Z-120330T1300Z/
ERIE OH-LORAIN-CUYAHOGA-LAKE-HURON-CRAWFORD-RICHLAND-ASHLAND-
MARION-MORROW-KNOX-ASHTABULA LAKESHORE-NORTHERN ERIE-
INCLUDING THE CITIES OF...SANDUSKY...LORAIN...CLEVELAND...
MENTOR...NORWALK...BUCYRUS...MANSFIELD...ASHLAND...MARION...
MOUNT GILEAD...MOUNT VERNON...ASHTABULA...ERIE
1035 AM EDT THU MAR 29 2012

...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 9 AM EDT
FRIDAY...

* TEMPERATURES...OVERNIGHT LOW TEMPERATURES WILL FALL TO THE MID 
  30S. 

* TIMING...LATE TONIGHT.

* IMPACTS...UNPROTECTED VEGETATION COULD BE DAMAGED BY FROST.

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.

&&

$$

OUDEMAN
260 
WWUS71 KCLE 291924
NPWCLE

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CLEVELAND OH
324 PM EDT THU MAR 29 2012

.CLEARING SKIES AND LIGHT WINDS WILL ALLOW TEMPERATURES TO DROP
THROUGH THE 30S OVERNIGHT. LOWEST READINGS WILL BE ACROSS INLAND
NORTHEAST OHIO AND NORTHWEST PENNSYLVANIA WHERE TEMPERATURE COULD
DROP TO THE UPPER 20S.

OHZ013-014-020>023-031>033-038-PAZ002-003-300600-
/O.CON.KCLE.FZ.W.0002.120330T0600Z-120330T1300Z/
GEAUGA-ASHTABULA INLAND-MEDINA-SUMMIT-PORTAGE-TRUMBULL-WAYNE-
STARK-MAHONING-HOLMES-SOUTHERN ERIE-CRAWFORD PA-
INCLUDING THE CITIES OF...CHARDON...JEFFERSON...MEDINA...AKRON...
RAVENNA...WARREN...WOOSTER...CANTON...YOUNGSTOWN...MILLERSBURG...
EDINBORO...MEADVILLE
324 PM EDT THU MAR 29 2012

...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 9 AM EDT
FRIDAY...

* TEMPERATURES...26 TO 32 DEGREES.

* TIMING...LATE TONIGHT.

* IMPACTS...UNPROTECTED VEGETATION COULD BE DAMAGED BY FROST OR 
  FREEZING TEMPERATURES. 

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.

&&

$$

OHZ009>012-019-028>030-036-037-047-089-PAZ001-300600-
/O.CON.KCLE.FR.Y.0001.120330T0600Z-120330T1300Z/
ERIE OH-LORAIN-CUYAHOGA-LAKE-HURON-CRAWFORD-RICHLAND-ASHLAND-
MARION-MORROW-KNOX-ASHTABULA LAKESHORE-NORTHERN ERIE-
INCLUDING THE CITIES OF...SANDUSKY...LORAIN...CLEVELAND...
MENTOR...NORWALK...BUCYRUS...MANSFIELD...ASHLAND...MARION...
MOUNT GILEAD...MOUNT VERNON...ASHTABULA...ERIE
324 PM EDT THU MAR 29 2012

...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 9 AM EDT
FRIDAY...

* TEMPERATURES...IN THE LOWER AND MID 30S.

* TIMING...LATE TONIGHT.

* IMPACTS...UNPROTECTED VEGETATION COULD BE DAMAGED BY FROST.

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.

&&

$$

OUDEMAN
528 
WWUS71 KCLE 300130
NPWCLE

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CLEVELAND OH
930 PM EDT THU MAR 29 2012

.CLEARING SKIES AND LIGHT WINDS WILL ALLOW TEMPERATURES TO DROP
THROUGH THE 30S OVERNIGHT. LOWEST READINGS WILL BE ACROSS INLAND
NORTHEAST OHIO AND NORTHWEST PENNSYLVANIA WHERE TEMPERATURE COULD
DROP TO THE UPPER 20S.

OHZ013-014-020>023-031>033-038-PAZ002-003-300930-
/O.CON.KCLE.FZ.W.0002.120330T0600Z-120330T1300Z/
GEAUGA-ASHTABULA INLAND-MEDINA-SUMMIT-PORTAGE-TRUMBULL-WAYNE-
STARK-MAHONING-HOLMES-SOUTHERN ERIE-CRAWFORD PA-
INCLUDING THE CITIES OF...CHARDON...JEFFERSON...MEDINA...AKRON...
RAVENNA...WARREN...WOOSTER...CANTON...YOUNGSTOWN...MILLERSBURG...
EDINBORO...MEADVILLE
930 PM EDT THU MAR 29 2012

...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 9 AM EDT
FRIDAY...

* TEMPERATURES...28 TO 32 DEGREES.

* TIMING...LATE TONIGHT.

* IMPACTS...UNPROTECTED VEGETATION COULD BE DAMAGED BY FROST OR 
  FREEZING TEMPERATURES. 

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.

&&

$$

OHZ009>012-019-028>030-036-037-047-089-PAZ001-300930-
/O.CON.KCLE.FR.Y.0001.120330T0600Z-120330T1300Z/
ERIE OH-LORAIN-CUYAHOGA-LAKE-HURON-CRAWFORD-RICHLAND-ASHLAND-
MARION-MORROW-KNOX-ASHTABULA LAKESHORE-NORTHERN ERIE-
INCLUDING THE CITIES OF...SANDUSKY...LORAIN...CLEVELAND...
MENTOR...NORWALK...BUCYRUS...MANSFIELD...ASHLAND...MARION...
MOUNT GILEAD...MOUNT VERNON...ASHTABULA...ERIE
930 PM EDT THU MAR 29 2012

...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 9 AM EDT
FRIDAY...

* TEMPERATURES...IN THE LOWER AND MID 30S.

* TIMING...LATE TONIGHT.

* IMPACTS...UNPROTECTED VEGETATION COULD BE DAMAGED BY FROST.

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.

&&

$$
979 
WWUS71 KCLE 300744
NPWCLE

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CLEVELAND OH
344 AM EDT FRI MAR 30 2012


OHZ009>012-019-028>030-036-037-047-089-PAZ001-300845-
/O.CAN.KCLE.FR.Y.0001.000000T0000Z-120330T1300Z/
ERIE OH-LORAIN-CUYAHOGA-LAKE-HURON-CRAWFORD-RICHLAND-ASHLAND-
MARION-MORROW-KNOX-ASHTABULA LAKESHORE-NORTHERN ERIE-
INCLUDING THE CITIES OF...SANDUSKY...LORAIN...CLEVELAND...
MENTOR...NORWALK...BUCYRUS...MANSFIELD...ASHLAND...MARION...
MOUNT GILEAD...MOUNT VERNON...ASHTABULA...ERIE
344 AM EDT FRI MAR 30 2012

...FROST ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS CANCELLED THE FROST
ADVISORY. 

WHILE MORNING TEMPERATURES WILL BE IN THE MID AND UPPER
30S...CLOUD COVER SHOULD LIMIT WIDESPREAD FROST POTENTIAL ACROSS
THE AREA.

$$

OHZ013-014-020>023-031>033-038-PAZ002-003-301300-
/O.CON.KCLE.FZ.W.0002.000000T0000Z-120330T1300Z/
GEAUGA-ASHTABULA INLAND-MEDINA-SUMMIT-PORTAGE-TRUMBULL-WAYNE-
STARK-MAHONING-HOLMES-SOUTHERN ERIE-CRAWFORD PA-
INCLUDING THE CITIES OF...CHARDON...JEFFERSON...MEDINA...AKRON...
RAVENNA...WARREN...WOOSTER...CANTON...YOUNGSTOWN...MILLERSBURG...
EDINBORO...MEADVILLE
344 AM EDT FRI MAR 30 2012

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

* TEMPERATURES...IN THE LOWER 30S.

* TIMING...EARLY MORNING.

* IMPACTS...UNPROTECTED VEGETATION COULD BE DAMAGED BY FROST OR 
  FREEZING TEMPERATURES. 

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.

&&

$$
850 
WWUS71 KCLE 301243
NPWCLE

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CLEVELAND OH
843 AM EDT FRI MAR 30 2012

OHZ013-014-020>023-031>033-038-PAZ002-003-301345-
/O.CAN.KCLE.FZ.W.0002.000000T0000Z-120330T1300Z/
GEAUGA-ASHTABULA INLAND-MEDINA-SUMMIT-PORTAGE-TRUMBULL-WAYNE-
STARK-MAHONING-HOLMES-SOUTHERN ERIE-CRAWFORD PA-
INCLUDING THE CITIES OF...CHARDON...JEFFERSON...MEDINA...AKRON...
RAVENNA...WARREN...WOOSTER...CANTON...YOUNGSTOWN...MILLERSBURG...
EDINBORO...MEADVILLE
843 AM EDT FRI MAR 30 2012

...FREEZE WARNING IS CANCELLED...

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

TEMPERATURES WILL CONTINUE TO WARM ABOVE FREEZING THIS MORNING.

$$

OUDEMAN

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 29, 3:44 AM EDTFrost AdvisoryCLEAshland, Ashtabula, Crawford, Cuyahoga, Erie, Huron and 6 more24 hr

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.