The December 2007 Clipper and Cold



Forecasts on December 4th, 2007 called for a weak, fast-moving clipper to affect much of the Midwest, Great Lakes, Ohio Valley and east to the Mid-Atlantic coast. Most forecasts in Ohio had the area south of I-80 down to just north of the Ohio River getting 1-3″ of snowfall, with a potential max of 2-4″ in south-central Ohio from Dayton to Chillicothe.

The forecast for Columbus on December 4th, 2007 from the Wilmington National Weather Service:

OHZ045-046-054>056-065-051015-
UNION OH-DELAWARE-MADISON-FRANKLIN OH-LICKING-FAIRFIELD-
INCLUDING THE CITIES OF…MARYSVILLE…DELAWARE…LONDON…
COLUMBUS…NEWARK…LANCASTER
355 PM EST TUE DEC 4 2007

…SNOW ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 4 PM EST
WEDNESDAY…

.TONIGHT…FLURRIES WITH A SLIGHT CHANCE OF SNOW THIS
EVENING…THEN SNOW LIKELY AFTER MIDNIGHT. SNOW LATE. SNOW
ACCUMULATION AN INCH OR LESS. LOWS IN THE MID 20S. LIGHT NORTHEAST
WINDS…BECOMING SOUTHEAST AFTER MIDNIGHT. CHANCE OF SNOW 100
PERCENT.
.WEDNESDAY…SNOW IN THE MORNING…THEN SNOW LIKELY IN THE
AFTERNOON. TOTAL ACCUMULATION OF 2 TO 3 INCHES. HIGHS IN THE
LOWER 30S. NORTHEAST WINDS 5 TO 10 MPH…BECOMING NORTH 10 TO
15 MPH IN THE AFTERNOON. CHANCE OF SNOW 100 PERCENT.
.WEDNESDAY NIGHT…MOSTLY CLOUDY IN THE EVENING…THEN BECOMING
PARTLY CLOUDY. LOWS 15 TO 20. NORTHWEST WINDS 10 TO 15 MPH…
DECREASING TO AROUND 5 MPH AFTER MIDNIGHT.

Snowfall began in western Ohio at about 10pm and reached central Ohio by midnight on the 4th. It began as flurries and light snow showers but gradually increased in intensity overnight and into the morning of the 5th, becoming heavy at times. By the time that the snowfall ended around 2:30pm in the afternoon, 4-6″ covered most of central Ohio, with the heaviest accumulations right near the I-70 corridor. Another max of snow occurred along a Mansfield to Canton line where a general 4-6″ also occurred.

The night of the 5th-6th brought a cold night for most of Ohio as clear skies after the storm and snow-covered ground sent temperatures far below normal. Most areas saw temperatures in the single digits, and many even fell into the single digits below zero. For Columbus, the low of 9 was the second lowest temperature ever recorded for the 6th of December.



Great Lakes Hurricane of 1913




Great Lakes hurricane of 1913

I haven’t done a weather-specific post in a while, and this week marks the 100th anniversary of the infamous Great Lakes Hurricane.. The storm lashed Ohio and other Great Lakes states for 3 days from November 9th-11th, 1913, causing widespread damage and loss of life. More than 250 died, mostly from drowning as 19 ships sank on the Great Lakes.

The storm began on the 9th as a pair of low-pressure systems collided over Michigan and the southern Lakes. Temperatures in the 50s and 60s dropped throughout the day on the 8th as the combined storm pulled a cold front across Ohio. A tight pressure gradient caused strong winds and rain turned to heavy snow. While the brunt of the storm hit the Cleveland area and adjacent lakeshore communities, the storm affected 3/4ths of Ohio, including Columbus.

A heavy rain began in Columbus on the 7th as the cold front moved through. Temperatures dropped from the mid-50s early on the 8th to the mid-30s by evening. On the 9th as temperatures dropped to and below freezing, snow began to fall, becoming occasionally heavy throughout the day. Winds of 40mph in the Columbus area combined with the snow to create blizzard conditions throughout the 9th and early into the 10th, though not nearly as severe as they were on Lake Erie. Snowfall totals were 10″-20″ across all of Eastern Ohio, and the Cleveland area had up to 2 feet. Columbus, with its 7.5″ total, got off lucky, while Cincinnati had just 1 inch.

The storm remains as the most severe early winter storm in Ohio history.

Great Lakes Hurricane of 1913

The US weather map on November 8, 1913.

Weather map from November 10, 1913.

Headline from November 13, 1913.

Some Snow Totals Across Ohio
Cleveland: 22.2″
Akron: 20.0″
Bellefontaine: 8.0″
Lancaster: 8.0″
Columbus: 7.5″
Toledo: 6.5″
Circleville: 5.0″
Dayton: 3.2″
Cincinnati: 0.8″

It should be kept in mind that snow-measuring is an inexact science, and that was especially true in the early 20th Century. By all news accounts at the time, snow drifts were 3′-4′ across most of eastern Ohio, and reports of a foot or more were common for areas east of present-day Rt. 23. Most stations, however, did not report such totals. This is most likely because very strong winds blew the snow around, making it very difficult to measure accurately.
For example, at least 12″ with 4′ drifts were reported at Newark, just east of Columbus, yet official records don’t necessarily account for those reports.