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May 2023


Brian5671
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56 and mostly cloudy.  In the peak of this cool period before some moderation Fri (5/5).  Overall cloudy, cool and potential showers ad closed rotates disturbances.  Looks sun 60 today - THu (5/4).  By Friday some breaks should allow temps to break 60.  The weekend should start a bit of a warming transition which has modified on recent guidance.  Should we stay clear and sunny the area should get towards normal and then push 80 degrees Mon (5/8) or Tue (5/9).  Beyond there next trough pushes a front through towards the middle of next week.   Looks like abit back and forth near normal overall by Mid month.

 

Just sitting here watching the wheels go round and round

 

GOES16-NE-GEOCOLOR-600x600.gif

 

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Records:

 

Highs:

EWR; 92 (2001)
NYC: 90 (2018)
LGA: 90 (2018)

Lows:

 

EWR: 35 (1943)
NYC: 37 (1903)
LGA: 40 !1978)

 

Historical:

1762: A tornado struck Port Royal Island, South Carolina. It left a path 400 yards wide, tore up trees by the roots, and carried away houses and bridges.

1899 - A storm buried Havre, MT, under 24.8 inches of snow, an all-time record for that location. The water equivalent of 2.48 inches was a record 24 hour total for the month of May. (The Weather Channel)

1920 - A swarm of tornadoes in Rogers, Mayes and Cherokee Counties in Oklahoma killed 64 persons. (David Ludlum)

 

1929: Virginia's worst tornado disaster occurred on this day. Six tornadoes, two of which were west of the Blue Ridge Mountains, killed 22 people. One tornado killed twelve children and a teacher at Rye Cove, in Scott County. The storms destroyed four schools.

1929 - Virginia's worst tornado disaster occurred. Six tornadoes, two of which were west of the Blue Mountains, killed 22 people. Twelve children and a teacher were killed at Rye Cove, in Scott County. Four schools were destroyed by the storms. (The Weather Channel)

1983 - Severe thunderstorms spawned twenty tornadoes across Michigan, Ohio, Pennsylvania and New York State. The tornadoes caused five deaths. (The Weather Channel)

 

1983: Severe thunderstorms produced 21 tornadoes across the northeastern states of Michigan, Ohio, Pennsylvania, and New York. One tornado even occurred in Ontario, Canada. Of the 21 tornadoes in the United States, nine were rated F3, and six were rated F2. The tornadoes caused five deaths.

1987 - Thunderstorms in the Lower Mississippi Valley produced golf ball size hail in northern Louisiana, and wind gusts to 77 mph at Lake Providence LA. Thunderstorms in Arkansas produced 4.20 inches of rain at Arkadelphia and 4.00 inches at Bismarck. (Storm Data) (The National Weather Summary)

1988 - A powerful storm produced snow and high winds in the Central Rockies and the Central High Plains Region. Snowfall totals in Colorado ranged up to 12 inches at Strasburg, and winds in southeastern Colorado gusted to 87 mph at Lamar. Snow and high winds created blizzard conditions in eastern Colorado and southeastern Wyoming. (The National Weather Summary) (Storm Data)

1989 - Thunderstorms developing to the north of a warm front produced severe weather in Oklahoma and Texas. There were 93 reports of severe weather. Thunderstorm winds gusted to 80 mph at Beattie, and baseball size hail was reported at Ranger and Breckenridge. Juneau AK reported a record high temperature of 72 degrees while Honolulu equalled their record low for the month of May with a reading of 60 degrees. (The National Weather Summary) (Storm Data)

1990 - Fourteen cities in Florida, Georgia and South Carolina reported record high temperatures for the date as readings soared into the 90s. Tampa FL reported a record high of 97 degrees, and Fort Stewart GA was the hot spot in the nation with a reading of 100 degrees.

1990 - Thunderstorms produced severe weather from northeastern Texas to western Arkansas during the evening and early nighttime hours. Thunderstorms spawned a tornado which injured thirteen persons at Paris TX, and produced baseball size hail at Rio Vista TX. Thunderstorm rains of four to seven inches caused flash flooding in west central Arkansas, southern and eastern Oklahoma, and northern Texas. (The National Weather Summary) (Storm Data)

 

2010: May began with two days of historical rainfall over much of Middle Tennessee, with massive swath stretching along the I-40 corridor from Benton County to Davidson County. Some areas received nearly 20 inches of rain during this 2-day period, the highest of which was 19.41 inches reported by a CoCoRaHS observer in Camden, TN. Numerous rainfall records were broken at the Nashville International Airport, including the most rain received in a 6 hour period, highest calendar day rainfall, and wettest month, along with several others. Incredibly, the Nashville Airport experienced its wettest and third wettest days in history on back to back days. Many area rivers exceeded their record crest levels, including the Harpeth River near Kingston Springs, which rose to 13.8 feet above the previous record. The Cumberland River at Nashville reached its highest level since flood control was implemented in the late 1960s, flooding parts of downtown Nashville. Waters from the Cumberland reached as far inland as 2nd Avenue, flooding many downtown businesses. Forty-nine Tennessee counties were declared disaster areas with damage estimates of between $2 and $3 billion statewide. Many Nashville landmarks received damage from floodwaters, including Gaylord Opryland Hotel and the Grand Ole Opry. Other popular Nashville landmarks affected by the floods include LP Field, Bridgestone Arena, the Country Music Hall of Fame, and the Schermerhorn Symphony Center, which received damage to the basement and its contents, including two Steinway grand pianos and the console of the Martin Foundation Concert Organ. Over $300 million in Federal Disaster Assistance was approved for the people of Tennessee.

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Clouds, showers, and occasional sunshine accompanied by very cool readings ruled the day. The cool unsettled weather will continue through Friday.

Afterward, temperatures will trend toward normal and then above normal during the second week of May. The duration and magnitude of this warm period could determine the overall monthly temperature anomaly.

Typically, a very warm April is followed by a somewhat cooler than normal May in the Middle Atlantic region. Whether that will be the case this year remains to be seen.

The ENSO Region 1+2 anomaly was +2.4°C and the Region 3.4 anomaly was +0.4°C for the week centered around April 26. For the past six weeks, the ENSO Region 1+2 anomaly has averaged +2.37°C and the ENSO Region 3.4 anomaly has averaged +0.13°C. Neutral ENSO conditions will likely prevail through at least mid-spring. El Niño conditions will very likely develop during the summer.

The SOI was +5.23 today.

The preliminary Arctic Oscillation (AO) was -1.218 today.

On April 30 the MJO was in Phase 4 at an amplitude of 1.946 (RMM). The April 29-adjusted amplitude was 1.535 (RMM).

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I am NOT seeing any prolonged or sustained warmth in this pattern. We break out of the current cold pool in the upper atmosphere and enjoy moderation to near or perhaps slightly above normal temperatures for a day or two next week (thinking mainly upper 70s perhaps one day lower 80s) but I think we're going to re-load the extremely wet pattern of the last 6 days by around the 11th. For sustained warmth or even heat I think we'll have to wait until the last ten days of the month or in June.

WX/PT

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9 hours ago, Wxoutlooksblog said:

I am NOT seeing any prolonged or sustained warmth in this pattern. We break out of the current cold pool in the upper atmosphere and enjoy moderation to near or perhaps slightly above normal temperatures for a day or two next week (thinking mainly upper 70s perhaps one day lower 80s) but I think we're going to re-load the extremely wet pattern of the last 6 days by around the 11th. For sustained warmth or even heat I think we'll have to wait until the last ten days of the month or in June.

WX/PT

Great news

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The next 8 days are averaging     59degs.(52/66) or -2.

Reached 61 yesterday at 6pm.

Today:    54-58, wind w. to n., m. cloudy, rain late, 47 tomorrow AM.

48*(70%RH) at 7am.     50* at 8am.      52* at 9pm.       54* at 10pm.      55* at Noon.     Reached  60* at 3pm.        55* at 6pm.      50* at midnight.

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50 degrees, and clouds.  Remaining sub 60 48 more hours.  Cool/ raw cloudy string continues before moderation Fri (5/5) and warming this weekend.  Perhaps a dry weekend but woudlny rule out showers Sat night.  70 by Sunday (5/7) and perhaps a stray 80 Mon (5/8) / Tue (5/9) before trough and more rain returns the middle of next week.  Beyond there trough into the east before moderating once to and past mid month.

 

GOES16-NE-GEOCOLOR-600x600.gif

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7 hours ago, the_other_guy said:

it is. Going to be a long hot summer because all of our summers are now long, hot and humid. Take the below normal when you can get it… In Just a few short weeks your air condition will be on for the next three months.

And that's why I spend my summers in Maine

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Tomorrow and Friday will remain unseasonably cool. However, temperatures will begin to moderate. Readings will reach normal levels by Sunday and then go above normal early next week. The duration and magnitude of this warm period could determine the overall monthly temperature anomaly.

Typically, a very warm April is followed by a somewhat cooler than normal May in the Middle Atlantic region. Whether that will be the case this year remains to be seen.

The ENSO Region 1+2 anomaly was +2.4°C and the Region 3.4 anomaly was +0.4°C for the week centered around April 26. For the past six weeks, the ENSO Region 1+2 anomaly has averaged +2.37°C and the ENSO Region 3.4 anomaly has averaged +0.13°C. Neutral ENSO conditions will likely prevail through at least mid-spring. El Niño conditions will very likely develop during the summer.

The SOI was +5.23 today.

The preliminary Arctic Oscillation (AO) was -1.102 today.

On May 1 the MJO was in Phase 4 at an amplitude of 2.497 (RMM). The April 30-adjusted amplitude was 2.369 (RMM).

 

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The next 8 days are averaging       60degs.(52/68) or -1.

Reached 60 yesterday at 3pm.

Today:    54-58, wind ne., m. cloudy-rain PM?, 47 tomorrow AM.

50*(83%RH) here at 7am{was 48* at 5am}.     53* at 9am.      55* at 11am.     53* at Noon.     Reached  58* at 4pm.       52* at 9pm.

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