It did have a more tropical appearance later that night:
A cold spell prompted frost (blue) and freeze (light blue) advisories for New England on October 9th:
Oct 25, 2010
Hurricane Otto and Northeast Cold
Otto was named a tropical storm at 15Z (10:00 AM) on October 7th. Visible satellite imagery for that time shows very little convection:
It did have a more tropical appearance later that night:
A cold spell prompted frost (blue) and freeze (light blue) advisories for New England on October 9th:
It did have a more tropical appearance later that night:A cold spell prompted frost (blue) and freeze (light blue) advisories for New England on October 9th:
Oct 6, 2010
Subtropical Storm Otto and Midwest Freeze
Subtropical Storm Otto was named in the Atlantic today at 21Z (4PM CDT). Otto, seen here just east of the Bahamas, clearly has non-tropical characteristics especially in water vapor imagery:
Freezing temperatures have already been observed near the Ohio River:
Although not shown on the above chart, even Carbondale, IL had a low of 30F on the morning of October 4th (Monday), and 32F on the 5th. Mount Vernon, IL had a low of 28F on October 5th. Frost advisories for tonight include Cattanooga, TN and Knoxville, TN.
A severe thunderstorm watch is active for western Colorado and a hurricane warning east of Florida.
Freezing temperatures have already been observed near the Ohio River:
Although not shown on the above chart, even Carbondale, IL had a low of 30F on the morning of October 4th (Monday), and 32F on the 5th. Mount Vernon, IL had a low of 28F on October 5th. Frost advisories for tonight include Cattanooga, TN and Knoxville, TN.
A severe thunderstorm watch is active for western Colorado and a hurricane warning east of Florida.
Oct 4, 2010
North Atlantic Storm and Midwest Frost
A storm south of Iceland is now at 952 mb:
Buoy 62095, west of Ireland, has reported 31.8 foot waves.
Frost advisories for tonight now include: Mena, AR; St. Louis, MO; Paducah, KY; Evansville, IN; Indianapolis, IN; Flint, MI.
Buoy 62095, west of Ireland, has reported 31.8 foot waves.Frost advisories for tonight now include: Mena, AR; St. Louis, MO; Paducah, KY; Evansville, IN; Indianapolis, IN; Flint, MI.
Oct 3, 2010
Extensive Frost Tonight
Frost advisories tonight include: Oklahoma City, OK; Fort Smith, AR; Decatur, IL; Terre Haute, IN; Marion, IN; Nashville, TN.
Oct 2, 2010
East Coast Rain and Midwest Frost
The East Coast received flooding rains from September 26th-October 1st:
Storm totals were as high as 23.36" in coastal North Carolina. The 22.54" at Wilmington, NC was the heaviest 5-day total since records began in 1850.
A widespread frost/freeze event is expected across the Midwest tonight. Freeze warnings extend to La Crosse, Wisconsin, and frost advisories to two counties south of Kansas City.
Last night, snow was reported from the station at Sawyer International Airport near Marquette, Michigan:
Storm totals were as high as 23.36" in coastal North Carolina. The 22.54" at Wilmington, NC was the heaviest 5-day total since records began in 1850.
A widespread frost/freeze event is expected across the Midwest tonight. Freeze warnings extend to La Crosse, Wisconsin, and frost advisories to two counties south of Kansas City.
Last night, snow was reported from the station at Sawyer International Airport near Marquette, Michigan:
Sep 27, 2010
Early Cold and Big Storms
As Hurricane Earl made landfall in Nova Scotia on September 4th, a large polar vortex dumped an unseasonably cold air mass into the Midwest.
The freezing line at 700 mb reached the Ohio River:
On the night of September 6th, a storm over Minnesota bottomed out at 994 mb:
Frost advisories were issued for the arrowhead of Minnesota and northern Wisconsin on the morning of September 9th, and some stations in this area dropped below freezing.
Another cold air mass on September 14th prompted frost advisories down to lower Michigan:
On September 17th freeze warnings (lighter blue) were issued for most of North Dakota, northern Minnesota, and northern Maine:
It was even cold enough for snow to accumulate in the lower elevations in central Montana.
On September 24th, a 993 mb storm prompted storm warnings (purple) over Lake Superior.
Also on the 24th, a huge Gulf of Alaska storm reached 953 mb:
On September 25th, the North Pacific jet stream had already reached 200 knots:
This morning, September 27, frost advisories went down to the county northwest of Milwaukee:
A much more extensive freeze is possible next weekend. The 850 mb freezing line is forecast by GEFS to reach the Ohio Valley by Saturday morning (12Z Oct 2).
The freezing line at 700 mb reached the Ohio River:
On the night of September 6th, a storm over Minnesota bottomed out at 994 mb:
Frost advisories were issued for the arrowhead of Minnesota and northern Wisconsin on the morning of September 9th, and some stations in this area dropped below freezing.
Another cold air mass on September 14th prompted frost advisories down to lower Michigan:
On September 17th freeze warnings (lighter blue) were issued for most of North Dakota, northern Minnesota, and northern Maine:
It was even cold enough for snow to accumulate in the lower elevations in central Montana.
On September 24th, a 993 mb storm prompted storm warnings (purple) over Lake Superior.
Also on the 24th, a huge Gulf of Alaska storm reached 953 mb:
On September 25th, the North Pacific jet stream had already reached 200 knots:
This morning, September 27, frost advisories went down to the county northwest of Milwaukee:
A much more extensive freeze is possible next weekend. The 850 mb freezing line is forecast by GEFS to reach the Ohio Valley by Saturday morning (12Z Oct 2).
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