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Afternoon update from the WPC ramps up the rainfall along the East Coast WPC snippet Showers and thunderstorms are expected to be focused in proximity to progressive cold fronts, stalled boundaries and round the upper high in the Southern Rockies. The wavy front into the eastern U.S. may be a focus for heavier rain and thunderstorms. This includes areas from the Corn Belt into the Midwest and Ohio Valley, Appalachians, Mid-Atlantic, and Northeast.

In terms of when does the hottest 31 day interval occur, this is the frequency of these intervals (* symbol means interval is matched by a later one, usually the next day is its starting point but differentials are noted of up to five days for 1899 (intervals starting July 2 and 7) and six days for 2010 (June 27 and July 3 start these)). Since this list includes the cooler half of the entries, we do find a few overlapping a calendar month. (June can only be 'all in' for May 31 to June 30 or June 1 to July 1, the first of those exists in the data for 1925). dur'n hottest 31d ___ Years include May 31 - Jun 30 __ 1925 Jun 5 - Jul 5 _____ 1984 Jun 7 - Jul 7 _____ 1883 Jun 8 - Jul 8 _____ 1888, 2004 Jun 11 - Jul 11 ____ 1945 Jun 14 - Jul 14 ___ 1994 Jun 15 - Jul 15 ___ 1962, 1976 Jun 16 - Jul 16 ___ 2000 Jun 17 - Jul 17 ___ 1912 Jun 18 - Jul 18 ___ 1869, 1872, 1880, 1971 Jun 19 - Jul 19 ___ 1965* 1997 Jun 20 - Jul 20 __ 1904, 1907* 1908 1909, 1923* 1953 1964 1966 Jun 21 - Jul 21 ___ 1874, 1934*, Jun 22 - Jul 22 __ 1946, 2017 Jun 23 - Jul 23 __ 1876, 1897, 2003, 2013 Jun 24 - Jul 24 __ 1875, 1898, 1901, 1922, 1952, 1991 Jun 25 - Jul 25 __ 1900, 1906, 2014 Jun 26 - Jul 26 __ 1878, 1889 Jun 27 - Jul 27 __ 2010* 2012* 2021 Jun 28 - Jul 28 __ 1881, 1910, 2018 Jun 29 - Jul 29 __ 1948, 2023 Jun 30 - Jul 30 __ 1887, 1903, 1913 July 1-31 _________ 1919, 1950 July 2 - Aug 1 ____ 1899* 1911, 1921, 1951, 1974, 2019, 2020 July 3 - Aug 2 ___ 1886, 1999 July 4 - Aug 3 ___ 1929, 1942, 1957, 2011 July 5 - Aug 4 ___ 1936, 1937, 1986, 1993, July 6 - Aug 5 ___ 1885, 1890*, 1928, 1934, 1982 July 7 - Aug 6 ___ 1879* 1899, 1981, 1989 July 8 - Aug 7 ___ 1905, 1955, 1967, 1992, 2008 July 9 - Aug 8 ___ 1954, 1960, 1987, 2007 July 10 - Aug 9 __ 1882, 1894, 1932, 1941, 1972 July 11 - Aug 10 __ 1870, 1924, 1927, 1930, 1931, 1943, 1968* 1979, 1983, 2006 July 12 - Aug 11 __ 1873, 1892, 1902, 2022 July 13 - Aug 12 __ 1893, 1896, 1917*, 1949, 1963, 1977, 1995, 1998 July 14 - Aug 13 __ 1980 July 15 - Aug 14 __ 1877, 1918, 1940, 2005 July 16 - Aug 15 __ 1926, 1975, 1985, 1988, 2016 July 17 - Aug 16 __ 1895 July 18 - Aug 17 __ 1990 July 19 - Aug 18 __ 1920, 2015 July 20 - Aug 19 __ 2002* July 22 - Aug 21 __ 1937, 1944 July 23 - Aug 22 __ 1958, 1970 July 24 - Aug 23 __1939 July 25 - Aug 24 __1938 July 27 - Aug 26 __1947, 2009 July 29 - Aug 28 _ 1891 July 30 - Aug 29 _ 1871 July 31 - Aug 30 __2001 Aug 3 - Sep 2 ____ 1969 Aug 5 - Sep 4 ____ 1973 Aug 6 - Sep 5 ____ 1996 Aug 7 - Sep 6 ____ 1914, 1956, 1961 Aug 8 - Sep 7 ____ 1978 Aug 10 - Sep 9 ___ 1959 Aug 13 - Sep 12 __ 1884 (Aug 21 - Sep 20 1948 a secondary peak) __________________ From the above it is clear that a large cluster of years are hottest from early July to early August. In 1991 intervals starting May 3 - June 2 averaged maximum of 80.0 + (this persisted to Aug 27 to Sep 26), the second earliest start for the 80+ season was 1962 (May 11 to Jun 10) but that summer ended a lot earlier as Aug 5 to Sep 4 was the last 80+ interval. The latest interval to average 80.0 or above was Sep 9 to Oct 8 1931, followed by Sep 7 to Oct 6, 1941 tied by 2005, then Sep 5 to Oct 5 1881. and tied fifth latest 1959, 1961 Sep 3 to Oct 2, then 1921 with Sep 2 to Oct 1. .. 2017 had 79.00 as late as Sep 11 to Oct 11. 1895 began its 80+ season with May 21 to Jun 21, and ran to Aug 30-Sep 29 but there were late-summer gaps, no interval starting Aug 17 to 21 averaged 80+. .

OWDGW Time to blow the cobwebs out

Had a rogue storm yesterday. 0.41" fell here. Forecast for the 4th was sunny all week until yesterday morning. This was a slow mover (ann Arbor to DTW corridor) but the only storm in the entire area.

Outside of Friday, will this be the first Saturday AND Sunday that it hasn't rained in months???

I wouldn't hold your breath on that with the +WPO/-PNA expectation.

Anti-spider kit

You can see the rotation in the base velocity data. A buoy east of Charleston (Buoy-41066) has 33 mph gusting to 47mph from the east. (recently decreased gusts to 40mph)

Iridescent cloud formation underway over Burlington CT... PXL_20250705_171709996.RAW-02.ORIGINAL.dng

Agreed, mostly dry outside of the severe weather the evening of 7/3

I have seen way worse for a July tropical storm. Looks robust considering it is weak and still sheared.

Disinfecting the couch after a rumble and lightning orgasm?

At least it's perfect timing though with 3 great days for the big holiday weekend. Even tomorrow with temps going into the low 90s, it won't feel bad out there with dewpoints only coming up a little to the low 60s. Couldn't have asked for a better 3 day holiday weekend.

Nice day.

Enjoy that game!!! Enjoy that nice weather too!

Completely non-weather related, but happy belated 4th, everyone! Here's a time lapse I shot of our local fireworks... And every other firework in South Jersey and SEPA. lol

What we need are benchmark tracks next winter something we never saw last winter.

I like this one as the first cane of the year

Taking the Amtrak to Philly old school style and then the septa over to the ballpark to catch my Reds against the Phillies. Just a gorgeous summer day for a 4:00 game.

It’s for the dog. Since his massive spinal stroke last summer it’s impact the mobility of his back legs and also impacted his ability to fully control his bladder. He had another mini stroke in winter and has been on prednisone which makes him pee/poop a lot, and unfortunately in the house so it’s a lot of cleaning…a lot. One of those is also an antibacterial spray because he cuts his back feet on the pavement since he drags them.

What’s the deal with all those sprays and cleaners out all over the place?

Visiting family in Hope Mills, not really that bad yesterday. Skies were only partly cloudy in the afternoon, but they blocked a lot of the direct sunlight and humidity was not bad at all. A far cry from last year

Something changed last season...irregardless of storm track, I think we are going to be seeing better antecedent air masses in southeast Canada this season, which will allow for more significant "front enders" that have been harder to come by in SNE and the northern mid Atlantic over the past several seasons.

Wooooood

I have pointed out to you before, the position of the PNA ridge also sucked, though......you are on this crusade to prove that replica patterns of the past are no longer producing. I don't think that is entirely true.