Alert archive / Ohio / Lake Effect Snow Advisories in 2007

Lake Effect Snow Advisory 4, NWS Cleveland, OH

January 30, 2007Lorain County, Ohio

NWS Cleveland, OH issued this lake effect snow advisory at Jan 30, 2007, 4:31 AM EST for Lorain County, Ohio. It took effect at Jan 30, 2007, 7:00 AM EST. It was in force for 21 hr.

The area

The counties it named.

The facts

Issued
Jan 30, 2007, 4:31 AM EST (09:31 UTC)
In effect from
Jan 30, 2007, 7:00 AM EST
Expired
Jan 31, 2007, 4:23 AM EST
In force
21 hr
Issued by
NWS Cleveland, OH

County Lorain County, OH

The radar

The Cleveland radar (KCLE), 25 km from the middle of the area, began a volume at 09:30 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, 9.5 hours before the alert went out and 208 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 2007-01-30Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 00:00Z on 2007-01-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 138 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
898 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
138 m²/s²
0-3 km storm-relative helicity
180 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this lake effect snow advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Cleveland, OH wrote its last area forecast discussion before this lake effect snow advisory went out at Jan 29, 11:59 PM EST, 4 hours 32 minutes earlier.

Area forecast discussion, Jan 29, 11:59 PM EST, 4 hours 32 minutes before
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Hazardous weather outlook, Jan 29, 5:50 AM EST, 22 hours 41 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CLEVELAND OH
550 AM EST MON JAN 29 2007

OHZ011>014-089-PAZ001>003-301100-
CUYAHOGA-LAKE-GEAUGA-ASHTABULA INLAND-ASHTABULA LAKESHORE-
NORTHERN ERIE-SOUTHERN ERIE-CRAWFORD PA-
550 AM EST MON JAN 29 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST OHIO
AND NORTHWEST PENNSYLVANIA.

.DAY ONE...TODAY AND TONIGHT

LAKE EFFECT SNOW WILL CONTINUE ACROSS THE NORTHEAST OHIO AND
NORTHWEST PENNSYLVANIA SNOW BELT REGION. ADDITIONAL SIGNIFICANT
SNOW ACCUMULATIONS CAN BE EXPECTED TODAY.

THE LAKE EFFECT SNOW IS EXPECTED TO TAPER OFF THIS EVENING AND
THEN AN ALBERTA CLIPPER STORM SYSTEM WILL MOVE SOUTHEAST INTO THE
AREA. LIGHT SNOW WILL AFFECT THE REGION TONIGHT AND BRING UP TO
AN INCH OF SNOW ACCUMULATION.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

LAKE EFFECT SNOW WILL ONCE AGAIN REDEVELOP OVER THE AREA TUESDAY.
SIGNIFICANT SNOW ACCUMULATIONS ARE POSSIBLE ACROSS THE AREA
TUESDAY THROUGH WEDNESDAY MORNING. THE LAKE EFFECT IS EXPECTED TO
GRADUALLY TAPER OFF WEDNESDAY AFTERNOON.

ANOTHER ALBERTA CLIPPER STORM SYSTEM IS EXPECTED TO MOVE INTO THE
AREA THURSDAY. THIS WEATHER FEATURE WILL BRING MORE SNOW TO THE
AREA FOLLOWED BY EVEN MORE LAKE EFFECT SNOW INTO THE WEEKEND.

A STORM SYSTEM IS FORECAST TO DEVELOP OVER THE SOUTHERN UNITED
STATES AND HEAD TOWARD THE REGION. THIS STORM WILL HAVE TO BE
MONITORED FOR POTENTIAL IMPACT ON THE REGION DURING THE WEEKEND.

MUCH COLDER TEMPERATURES ARE ALSO EXPECTED BY THE END OF THE WEEK
WITH HIGHS POSSIBLY ONLY CLIMBING INTO THE TEENS AND LOWS IN THE
SINGLE DIGITS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED. SPOTTERS ARE ENCOURAGED TO
CALL IN SNOW REPORTS OF ONE HALF INCH OR GREATER TO THE NATIONAL
WEATHER SERVICE.

LEZ142>149-162>169-OHZ003-006>010-017>023-027>033-036>038-047-
301100-
MAUMEE BAY TO RENO BEACH OH-RENO BEACH TO THE ISLANDS OH-
THE ISLANDS TO VERMILION OH-VERMILION TO AVON POINT OH-
AVON POINT TO WILLOWICK OH-WILLOWICK TO GENEVA-ON-THE LAKE OH-
GENEVA-ON-THE-LAKE TO CONNEAUT OH-CONNEAUT OH TO RIPLEY NY-
MAUMEE BAY OH TO RENO BEACH OH BEYOND 5 NM OF SHORE-
RENO BEACH TO THE ISLANDS OH BEYOND 5 NM OF SHORE-
THE ISLANDS TO VERMILION OH BEYOND 5 NM OF SHORE-
VERMILION TO AVON POINT OH BEYOND 5 NM OF SHORE-
AVON POINT TO WILLOWICK OH BEYOND 5 NM OF SHORE-
WILLOWICK TO GENEVA-ON-THE-LAKE OH BEYOND 5 NM OF SHORE-GENEVA-ON-
THE-LAKE TO CONNEAUT OH BEYOND 5 NM OF SHORE-
CONNEAUT OH TO RIPLEY NY BEYOND 5 NM OF SHORE-LUCAS-WOOD-OTTAWA-
SANDUSKY-ERIE OH-LORAIN-HANCOCK-SENECA-HURON-MEDINA-SUMMIT-
PORTAGE-TRUMBULL-WYANDOT-CRAWFORD-RICHLAND-ASHLAND-WAYNE-STARK-
MAHONING-MARION-MORROW-HOLMES-KNOX-
550 AM EST MON JAN 29 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF LAKE ERIE...
NORTH CENTRAL OHIO...NORTHEAST OHIO AND NORTHWEST OHIO.

.DAY ONE...TODAY AND TONIGHT

NO SIGNIFICANT WEATHER IS EXPECTED TODAY. HOWEVER...AN ALBERTA
CLIPPER STORM SYSTEM IS EXPECTED TO BRING SOME LIGHT SNOW TO THE
AREA TONIGHT. LOCALLY UP TO AN INCH OF SNOW IS POSSIBLE.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

ANOTHER ALBERTA CLIPPER STORM SYSTEM IS EXPECTED TO MOVE INTO THE
AREA THURSDAY. THIS WEATHER FEATURE WILL BRING MORE SNOW TO THE
AREA.

A STORM SYSTEM IS FORECAST TO DEVELOP OVER THE SOUTHERN UNITED
STATES AND HEAD TOWARD THE REGION. THIS STORM WILL HAVE TO BE
MONITORED FOR POTENTIAL IMPACT ON THE REGION DURING THE WEEKEND.

MUCH COLDER TEMPERATURES ARE ALSO EXPECTED BY THE END OF THE WEEK
WITH HIGHS POSSIBLY ONLY CLIMBING INTO THE TEENS AND LOWS IN THE
SINGLE DIGITS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED.

LOMBARDY

Nearby

Lake Effect Snow Advisories in Ohio, 2007Every lake effect snow advisory in 2007

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.