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June 2021


Stormlover74
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17 minutes ago, greenmtnwx said:

I’m just glad that it appears we will escape this summer without the extreme heat. Keep it out west. 

It is June and less than a week into “summer”. Don’t think we can say that. It would be like saying no record cold this winter on December 29th. 

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9 hours ago, bluewave said:

Newark can get close to 100° in coming days if it beats model guidance by as much as today.

 


TEMPERATURE (F)                                                          
 TODAY                                                               
  MAXIMUM         95    251 PM 101    1966  85     10       86       
  MINIMUM         74    433 AM  52    1940  67      7       68       
  AVERAGE         85                        76      9       77    

that was an unexpected 90 for the park, I guess things are starting to dry out there?

 

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9 hours ago, bluewave said:

Newark can get close to 100° in coming days if it beats model guidance by as much as today.

 


TEMPERATURE (F)                                                          
 TODAY                                                               
  MAXIMUM         95    251 PM 101    1966  85     10       86       
  MINIMUM         74    433 AM  52    1940  67      7       68       
  AVERAGE         85                        76      9       77    

wow 1966 reached 100 early and often.....what an amazing summer that was.

 

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7 hours ago, bluewave said:

Newark has a shot at the all-time June 95° day record.

Time Series Summary for NEWARK LIBERTY INTL AP, NJ - Month of Jun
Click column heading to sort ascending, click again to sort descending.
Rank
Year
Number of Days Max Temperature >= 95 
Missing Count
1 1943 7 0
2 1988 6 0
- 1984 6 0
- 1945 6 0
3 2012 5 0
- 1993 5 0
- 2021 5 3

1993 one of my favorite summers on that list that had the hottest week of weather I've ever experienced.

 

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6 hours ago, donsutherland1 said:

A very warm and humid air mass remains in place over the Middle Atlantic and southern New England areas. Under partly sunny skies, temperatures will likely reach the lower 90s in many parts of the region. A shower or thundershower is possible. The warmth will continue through at least mid-week.

Meanwhile, out West an unprecedented heat event shattered numerous all-time high temperature records. Preliminary high temperatures included:

Eugene, OR: 111° (old record: 98°, 2015) ***New All-Time Record***
Fort Nelson, BC: 96° (old record: 87°, 2015) ***New June Record***
Kamloops, BC: 110° (old record: 99°, 2006) ***New All-Time Record***
Lillooet, BC: 113° (old record: 104°, 2015) ***New All-Time Record***
Lytton, BC: 116° (old record: 96°, 2000) ***New All-Time Record; New National Record for Canada***
Medford, OR: 113° (old record: 104°, 2015) ***New June Record***
Portland: 112° (old record: 98°, 2000) ***New All-Time Record***
Seattle: 104° (old record: 92°, 2015) ***New All-Time Record***
Spokane: 102° (tied record set in 2015)
The Dalles, OR: 115° (old record: 105°, 2006) ***New June Record; Tied All-Time Record***
Vancouver: 87° (old record: 79°, 1937)
Victoria: 99° (old record: 85°, 1995) ***New All-Time Record***
Yakima, WA: 108° (tied record set in 2015) ***Tied June Record***

Additional all-time high temperature records will likely be surpassed tomorrow. After tomorrow, the core of the heat will shift somewhat to the north and east. Readings will remain much above normal in parts of eastern Washington State, Oregon, Idaho, and eastern British Columbia.

Records for select cities:

Kamloops, BC:
June 28: 100° (37.7°C), 2008
June 29: 102° (39.1°C), 2008

June record: 103° (39.5°C)
All-time record: 105° (40.8°C)

Portland:
June 28: 100°, 2008
June 29: 97°, 1951

June record: 112°
All-time record: 112°

Seattle:
June 28: 91°, 1995 and 2008
June 29: 93°, 1987

June record: 103°
All-time record: 103°

Spokane:
June 28: 105°, 2015
June 29: 98°, 1939

June record: 105°
All-time record: 108°

Climate change has increased the frequency, magnitude, and duration of extreme heat events in the United States and worldwide. Further increases are likely in coming decades as the world's climate continues to warm.

During the 1971-00 period, there was a statistical 0.9% probability that the temperature would reach or exceed 90° during June 26-28. For the 1991-20 period, that figure had increased to 2.0%. That's an implied 55% increase tied to climate change. Actual outcomes saw Seattle record 90° temperatures on 1.1% of days within that period during 1971-00 and 4.4% during the 1991-20 timeframe. For Portland, the statistical probability of a 90° day during the June 26-28 period was 6.2% during the 1971-00 period and 10.4% during the 1991-20 period. That's an implied 40% increase tied to climate change. The actual outcomes were 6.6% during the 1971-00 period and 12.2% during the 1991-20 period. That actual outcomes exceeded statistical outcomes is consistent with ongoing warming.   

In large part on account of Phoenix's recent extreme heat event, there is an implied 95% probability that June 2021 will become Phoenix's warmest June on record with a mean temperature near 95.0°. The existing record of 94.8° was set in 2013 and tied in 2016.

The ENSO Region 1+2 anomaly was +0.4°C and the Region 3.4 anomaly was -0.5°C for the week centered around June 16. For the past six weeks, the ENSO Region 1+2 anomaly has averaged -0.30°C and the ENSO Region 3.4 anomaly has averaged -0.25°C. Neutral ENSO conditions will likely prevail into at least mid-summer.

The SOI was -5.62 today.

The preliminary Arctic Oscillation (AO) figure was +0.456 today.

On June 25 the MJO was in Phase 1 at an amplitude of 1.357 (RMM). The June 24-adjusted amplitude was 1.305 (RMM).

In late April, the MJO moved through Phase 8 at an extreme amplitude (+3.000 or above). Only February 25, 1988 and March 18-19, 2015 had a higher amplitude at Phase 8. Both 1988 and 2015 went on to have an exceptionally warm July-August period. July-August 1988 had a mean temperature of 79.1°, which ranked 4th highest for that two-month period. July-August 2015 had a mean temperature of 78.9°, which ranked 5th highest for that two-month period. September 2015 was also the warmest September on record. The MJO's extreme passage through Phase 8 could provide the first hint of a hot summer.

Since 1896, 76% of years that saw Phoenix reach 115° or above in June, as occurred this year, had a warmer than July-August in the Middle Atlantic region. The ratio of top 30 July-August temperatures relative to bottom 30 temperatures was 6:1 in favor of the warmth. Overall, the ingredients continue to fall into place for a warmer than normal to potentially hot summer.

Based on sensitivity analysis applied to the latest guidance, there is an implied near 100% probability that New York City will have a warmer than normal June (1991-2020 normal). June will likely finish with a mean temperature near 74.1° (2.1° above normal).

 

back to back all time records?  thats a first!

 

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The last 3 days of June are averaging 86degs.(76/98), or +12.0.

Month to date is  73.0[+1.4].         June should end at  74.4[+2.4].

GFS effectively rains out the first 5 days of July.      Obviously not a continuous rain---just a steady threat.

After today's 115, Portland T improves while staying way AN---still no rain there for next 10 days, once again.

73*(90%RH) here at 6am., m. clear.           82* by 1pm.

 

 

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Morning thoughts...

It will be variably cloudy and hot. There could be a widely scattered afternoon shower or thundershower. Temperatures will likely reach the lower and perhaps middle 90s in most places today.  Likely high temperatures around the region include:

New York City (Central Park): 91°

Newark: 98°

Philadelphia: 93°

Normals:

New York City: 30-Year: 83.2°; 15-Year: 83.3°

Newark: 30-Year: 85.5°; 15-Year: 85.8°

Philadelphia: 30-Year: 86.6°; 15-Year: 87.0°

Much above normal temperatures will likely persist through mid-week.

Yesterday, Portland (112°) and Seattle (104°) established new all-time high temperature records. Lytton, BC set a national Canadian high temperature record of 116°. Today, Seattle and Portland will likely further increase their all-time high temperature records that they set yesterday. Lytton could challenge its record, as well.

Daily Records for June 26:

Portland: 100°, 2008 (Forecast: 108° to 120°)

Seattle: 91°, 2008 (Forecast: 103° to 115°) 

*-Forecast range is 1 sigma below and above the forecast mean.

The huge model spread suggests a 43% implied probability that Seattle will reach 110° and that Portland will reach 115°.

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17 minutes ago, crossbowftw3 said:

73/72 here, Syracuse never fell below 80.

They already set the June all-time daily warmest minimum yesterday.

Time Series Summary for SYRACUSE HANCOCK INTL AP, NY - Month of Jun
Click column heading to sort ascending, click again to sort descending.
Rank
Year
Highest Min Temperature 
Missing Count
1 2021 78 3
2 1999 77 0
3 2008 75 0
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Western Atlantic Ridge pumping heights and heat / humidity. So far much more clear than Saturday and it looks to be off to the races and full steam ahead the next  days.  Mid - upper 90s (in the warmer spots).  850 temps >18c through Thu pm.  81/72 here.  Pop up showers (Florida style) the next few days could produce some scattered heavy rains between the high heat.   Most area should tack on 3 or 4 more 90 degree days.

GFS and ECM still not fully aligned on timing and extent / duration of the front but both bring the brunt of the storms into the area by Fri (7/2) and into Sat (7/3) as the Western Atlantic Ridge is pushed east and subsequent front and cold front come through.   Jul 4th could be mainly storm or rain free but still a bit unstable.  Some heavier rains and will all be dependent if the ridge is stubborn to move out and front gets hung up or if it can clear and stall in the south (GA/N-S C)

Longer range heights look to balloon again towards the middle of next week.  Looks to be warm to hot again with more 90s by Jul 8th.

 

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59 minutes ago, bluewave said:

Models may be underestimating high temperature potential next several days around the region.The WAR is now going stronger than forecast. We may approach all-time June 500 mb heights.

 

E2970337-0084-4AA1-8C42-323346320892.png.101980e90887a68bf662b602ca5f1f44.png

the only thing that can save us it an easterly flow...

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54 minutes ago, SACRUS said:

Western Atlantic Ridge pumping heights and heat / humidity. So far much more clear than Saturday and it looks to be off to the races and full steam ahead the next  days.  Mid - upper 90s (in the warmer spots).  850 temps >18c through Thu pm.  81/72 here.  Pop up showers (Florida style) the next few days could produce some scattered heavy rains between the high heat.   Most area should tack on 3 or 4 more 90 degree days.

GFS and ECM still not fully aligned on timing and extent / duration of the front but both bring the brunt of the storms into the area by Fri (7/2) and into Sat (7/3) as the Western Atlantic Ridge is pushed east and subsequent front and cold front come through.   Jul 4th could be mainly storm or rain free but still a bit unstable.  Some heavier rains and will all be dependent if the ridge is stubborn to move out and front gets hung up or if it can clear and stall in the south (GA/N-S C)

Longer range heights look to balloon again towards the middle of next week.  Looks to be warm to hot again with more 90s by Jul 8th.

 

will the heat post july 8th be as hot as the current bout?

 

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