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Or you could have a situation like London, where Greenwich is over 200 hours cloudier than Heathrow, Kew, Gatwick or Gravesend due to the weather station being under a tree (leaves block sun from April to November) at the bottom of a hill (low sun isn't recorded).
Or you could have a situation like London, where Greenwich is over 200 hours cloudier than Heathrow, Kew, Gatwick or Gravesend due to the weather station being under a tree (leaves block sun from April to November) at the bottom of a hill (low sun isn't recorded).
CFSv2 showing some warming beyond the first two weeks
And now time for some historical perspective...
In 1925, Pittsburgh had a high temperature of 90°F on April 24, which is the earliest 90°F day in Pittsburgh weather history, and then received 0.5" of snow on May 25, which is the latest measurable snowfall in Pittsburgh weather history. Also interesting to note is that the high temperature was 90°F on June 1, exactly one week after the aforementioned snow record was set. Not including April 24, Pittsburgh had a roughly average summer in 1925, with 12 days of 90°F temperatures, and a maximum temperature of 95°F. It was a somewhat front-loaded summer, with seven 90°F days in June, two in July, one in August, and two in September. The last 90°F day in 1925 was September 20.
In 1966, Pittsburgh had 3.1" of snow on May 9, which is the latest snowfall of 1" or more in Pittsburgh weather history, and then had a high temperature of 90°F on June 9, exactly one month after the aforementioned snowfall record. In all, Pittsburgh had a hotter-than-average summer in 1966, with 23 days of 90°F temperatures, and a maximum temperature of 98°F. It was a very front-loaded summer, with 11 90°F days in June, and 12 in July, but none in August or September. The last 90°F day in 1966 was July 27.
Quote:
Originally Posted by Cambium
What line coming across?
That radar loop with the warnings makes me wonder if there was a long-track tornado in western Pennsylvania today. You can follow the tornado warnings across Butler, Clarion, Forest, Elk, McKean and Potter Counties.
Pittsburgh's warmest April following the warmest February and winter as a whole on record. Yay. if I wanted to live in a subtropical climate, I'd move to the Carolinas. 2017 weather has sucked.
How do you think it's been in the Carolinas so far this year?
That radar loop with the warnings makes me wonder if there was a long-track tornado in western Pennsylvania today. You can follow the tornado warnings across Butler, Clarion, Forest, Elk, McKean and Potter Counties.
Not sure but that line has been breaking apart. This is interesting.. Warm front comes from south and cold front comes from west. Instability weak
Quote:
National Weather Service New York NY
401 PM EDT Mon May 1 2017
A warm front lifts through the area early this evening, while a cold front approaches from the west.
A line of strong convection associated with the front late this afternoon/early this evening will likely dissipate as it approaches the area after midnight. The airmass is strongly sheared, but the instability is weak.
An offsetting factor to the instability though will be dynamics
associated with the RRQ of the upper jet. Still though, any
instability will be elevated and bringing down strong winds
through a stable surface layer seems unlikely. Thus, primarily
looking at showers with a few embedded thunderstorms. Most of
the rainfall will be after midnight with a quick shot of a
quarter inch or less. Isolated higher amounts of rainfall are
possible in any strong elevated convection.
Due to a strengthening SW flow, any fog is likely to be patchy
with widespread low clouds. Gusts up to 25 mph are expected
along the coast, and 15 to 20 mph inland.
Overnight temperatures will be mild, having a difficult time
get much below 60. This is well above normal. In addition, similar dew points will make for a muggy night.
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