Alert archive / Ohio / Freeze Warnings in 2012

Freeze Warning 3, NWS Cleveland, OH

April 2, 201211 counties in Ohio; Crawford County, Erie County, Pennsylvania

NWS Cleveland, OH issued this freeze warning at Apr 2, 2012, 3:16 PM EDT for 11 counties in Ohio; Crawford County, Erie County, Pennsylvania. It took effect at Apr 3, 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
Apr 2, 2012, 3:16 PM EDT (19:16 UTC)
In effect from
Apr 3, 2012, 2:00 AM EDT
Expired
Apr 3, 2012, 8:45 AM EDT
In force
7 hr
Issued by
NWS Cleveland, OH

Counties Ashland County, OH, 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), 58 km from the middle of the area, began a volume at 19:22 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 12:00Z, 7.3 hours before the alert went out and 131 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 2012-04-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 8 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 2012-04-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -123 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
8 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
580 m above ground
0-6 km bulk shear
87 kt
0-1 km storm-relative helicity
-123 m²/s²
0-3 km storm-relative helicity
-28 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.

811 
WWUS71 KCLE 021916
NPWCLE

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CLEVELAND OH
316 PM EDT MON APR 2 2012


OHZ013-014-020>023-030>033-038-089-PAZ001>003-030330-
/O.NEW.KCLE.FZ.W.0003.120403T0600Z-120403T1300Z/
GEAUGA-ASHTABULA INLAND-MEDINA-SUMMIT-PORTAGE-TRUMBULL-ASHLAND-
WAYNE-STARK-MAHONING-HOLMES-ASHTABULA LAKESHORE-NORTHERN ERIE-
SOUTHERN ERIE-CRAWFORD PA-
INCLUDING THE CITIES OF...CHARDON...JEFFERSON...MEDINA...AKRON...
RAVENNA...WARREN...ASHLAND...WOOSTER...CANTON...YOUNGSTOWN...
MILLERSBURG...ASHTABULA...ERIE...EDINBORO...MEADVILLE
316 PM EDT MON APR 2 2012

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

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

* TEMPERATURES...LOWS 29 TO 32.

* TIMING...LATE TONIGHT AND EARLY TUESDAY MORNING.

* IMPACTS...UNPROTECTED VEGETATION COULD BE DAMAGED BY FREEZING
  TEMEPRATURES.

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 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.

&&

$$
3 follow-up statements
451 
WWUS71 KCLE 030200
NPWCLE

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CLEVELAND OH
1000 PM EDT MON APR 2 2012

.HIGH PRESSURE OVER THE REGION WILL KEEP CLEAR SKIES AND LIGHT
WINDS ACROSS THE REGION THROUGH THE NIGHT. THE COLDEST
TEMPERATURES WILL OCCUR ACROSS INLAND NORTHEAST OHIO INTO
NORTHWEST PENNSYLVANIA. 

OHZ013-014-020>023-030>033-038-089-PAZ001>003-031000-
/O.CON.KCLE.FZ.W.0003.120403T0600Z-120403T1300Z/
GEAUGA-ASHTABULA INLAND-MEDINA-SUMMIT-PORTAGE-TRUMBULL-ASHLAND-
WAYNE-STARK-MAHONING-HOLMES-ASHTABULA LAKESHORE-NORTHERN ERIE-
SOUTHERN ERIE-CRAWFORD PA-
INCLUDING THE CITIES OF...CHARDON...JEFFERSON...MEDINA...AKRON...
RAVENNA...WARREN...ASHLAND...WOOSTER...CANTON...YOUNGSTOWN...
MILLERSBURG...ASHTABULA...ERIE...EDINBORO...MEADVILLE
1000 PM EDT MON APR 2 2012

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

* TEMPERATURES...UPPER 20S TO LOWER 30S.

* TIMING...LATE TONIGHT AND EARLY TUESDAY MORNING.

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

&&

$$
357 
WWUS71 KCLE 030811
NPWCLE

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CLEVELAND OH
411 AM EDT TUE APR 3 2012

.HIGH PRESSURE OVER THE REGION WILL KEEP CLEAR SKIES AND LIGHT
WINDS ACROSS THE REGION THROUGH THE REMAINDER OF THE OVERNIGHT.
THE COLDEST TEMPERATURES WILL OCCUR ACROSS INLAND NORTHEAST OHIO
INTO NORTHWEST PENNSYLVANIA.

OHZ013-014-020>023-030>033-038-089-PAZ001>003-031300-
/O.CON.KCLE.FZ.W.0003.000000T0000Z-120403T1300Z/
GEAUGA-ASHTABULA INLAND-MEDINA-SUMMIT-PORTAGE-TRUMBULL-ASHLAND-
WAYNE-STARK-MAHONING-HOLMES-ASHTABULA LAKESHORE-NORTHERN ERIE-
SOUTHERN ERIE-CRAWFORD PA-
INCLUDING THE CITIES OF...CHARDON...JEFFERSON...MEDINA...AKRON...
RAVENNA...WARREN...ASHLAND...WOOSTER...CANTON...YOUNGSTOWN...
MILLERSBURG...ASHTABULA...ERIE...EDINBORO...MEADVILLE
411 AM EDT TUE APR 3 2012

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

* TEMPERATURES...UPPER 20S TO LOWER 30S.

* TIMING...THROUGH EARLY TUESDAY MORNING.

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

&&

$$
150 
WWUS71 KCLE 031245
NPWCLE

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CLEVELAND OH
845 AM EDT TUE APR 3 2012

OHZ013-014-020>023-030>033-038-089-PAZ001>003-031345-
/O.CAN.KCLE.FZ.W.0003.000000T0000Z-120403T1300Z/
GEAUGA-ASHTABULA INLAND-MEDINA-SUMMIT-PORTAGE-TRUMBULL-ASHLAND-
WAYNE-STARK-MAHONING-HOLMES-ASHTABULA LAKESHORE-NORTHERN ERIE-
SOUTHERN ERIE-CRAWFORD PA-
INCLUDING THE CITIES OF...CHARDON...JEFFERSON...MEDINA...AKRON...
RAVENNA...WARREN...ASHLAND...WOOSTER...CANTON...YOUNGSTOWN...
MILLERSBURG...ASHTABULA...ERIE...EDINBORO...MEADVILLE
845 AM EDT TUE APR 3 2012

...FREEZE WARNING IS CANCELLED...

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

TEMPERATURES HAVE WARMED ABOVE FREEZING. 

$$

KIELTYKA

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.