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George BM

May Discobs 2020

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Good thing my yard got drenched a week ago. Just a few hundredths since.

Assuming nothing falls tonight(good bet) will finish with 3.25" for the month.

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Hmmm...some action on radar out toward the Shenandoah. Any chance it makes it to the urban corridor? Seems like some of the cooler air has already advected in so think it probably dies?

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23 minutes ago, WxUSAF said:

Hmmm...some action on radar out toward the Shenandoah. Any chance it makes it to the urban corridor? Seems like some of the cooler air has already advected in so think it probably dies?

I would love for it to make it and see a quick storm... but I guess well see... SPC did leave us in SLGT in the 0100 OTLK and disco did mention region has 1500 to 2000 MLCAPE available 

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Evening AFD update confirms what @WxUSAF posted above... guess maybe?

Area Forecast Discussion
National Weather Service Baltimore MD/Washington DC
922 PM EDT Fri May 29 2020

.SYNOPSIS...
A cold front will pass through tonight into early Saturday.
High pressure will build overhead Saturday night through early
next week. A warm front will move through the area Wednesday and
a weak cold front will stall out near the region late next
week.

&&

.NEAR TERM /UNTIL 6 AM SATURDAY MORNING/...
Meso-analysis suggests that the airmass east of I-81 remains
highly sheared and unstable, which the 00Z LWX RAOB confirms.
Much of this area has yet to be worked over. Consequently,
showers driven by shortwave energy have been able to develop
once it reached this airmass...something which WoFS runs has
been suggesting all day. The latest output indicating that a
more solid line should develop as it lifts toward the
DC/Baltimore burbs by 11pm-midnight. Have already issued one
Severe Tstm Warning, and would not rule out a few more.

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1 hour ago, WxUSAF said:

Hmmm...some action on radar out toward the Shenandoah. Any chance it makes it to the urban corridor? Seems like some of the cooler air has already advected in so think it probably dies?

east-facing windows just lit up like daytime, and the thunder followed.

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I’m getting very low clouds with partial rotation but want to get this out quick and observe  more 

Really cool to see clods that low moving  so fast Must of been leftover if something big somewhere 

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1 hour ago, WxUSAF said:

Hmmm...some action on radar out toward the Shenandoah. Any chance it makes it to the urban corridor? Seems like some of the cooler air has already advected in so think it probably dies?

       definitely weakening.    The evening period was always our best shot (if you back in the SVR thread, the guidance was pretty clear about this) at storms, but it's arriving just too late, as nocturnal cooling has really kicked in.

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Horrendous storm in Reisterstown. Going on near like 4 raindrops!

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2 hours ago, C.A.P.E. said:

Raining in my yard now.

#sprinkler

How much rain has your yard picked up so far this morning?

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54 minutes ago, George BM said:

How much rain has your yard picked up so far this morning?

I cover the rain gauge when I water, so no idea lol.

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Yea...firepit tonight will be perfect with 50s and 60s late evening. Might crack into the 40s by tomorrow morning.  Definitely Sunday night. 

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Hanging out at the fire  pit with my 17 and 16 year old daughters.  They're not embarrassed to be around me.................... yet :yikes:

 

I'm the cool dad actually...

I do have the fastest street car in the area :whistle: that doesn't hurt

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Next couple days look like perfection for early summer.

Decent chance of the first 90 degree day on Wed for many as the trough departs and the upper ridge briefly shifts east. Luckily it looks to be very short lived. Maybe it will help fuel some decent storms when the cold front moves through later in the day.

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5 minutes ago, North Balti Zen said:

What a perfect spring morning.

I sure wish we could squeeze few more of these days in before we roast. This is perfect weather. Gives you a little pep in your step waking up to this

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https://www.spaceweatherlive.com/en/news/view/411/20200531-have-we-passed-solar-minimum

Well...this article offers the theory that we may have hit the solar minimum back in December, saying:

"What can we take away from this? First of all if we take a look at the smoothed sunspot number, we first have to take a look at the sunspot number for each individual month. We can see here and on the image below that we had very low sunspot numbers between June and December of 2019. In January and April of this year the sunspot numbers were considerably higher. Based on the data available right now, we can estimate that December 2019 could have been the month of solar minimum. The graph of the Sun's polar magnetic field strength only fuels this theory as we could see earlier in this post how the sun's polar magnetic field strength has been dropping during the past few months indicating Solar Cycle 25 like already has begun"

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OK, I got my numbers together, here we go, May 2020....

Averaged high for month was 67.7 degrees vs the 74.4 degree average,  a -6.7 below normal AND a new record 'low max' for the month, breaking 2003's 69.5 degree reading by a good bit. The warmest temp recorded was 83.1 degrees on the 17th.The averaged low was 47.5 degrees vs the average of 48.0 degrees, a -0.5 below normal. The coldest temp recorded for the month was 29.4 degrees on the 10th. Overall averaged temp was 57.6 degrees vs the average of 61.2 degrees, a -3.6 below normal and slides into 3rd coolest May ever recorded here behind 1997's 55.8 degree and 2005's 57.1 degree readings. Total rainfall for the month was 6.32 inches vs a normal of 4.11 inches, a +2.21 above normal. The wettest day was on the 22nd with 1.31 inches falling. Although a big plus, not in top 5 largest years, with 2009's 8.03 inches leading the way. There were 17 days with measurable, 3 days with a 'T' and 11 dry days. Highest wind recorded was 31 mph on the 15th and 10th. I recorded 13 days with winds above 25 mph.

It was a record filled month, with 12 new ones! The above mentioned averaged high for the month, then 6 new record 'cool maxes' (to produce the monthly) on the 2nd, 7th, 10th, 12th, 19th and 21st. Three new record daily low temps on the 7th, 9th and 10th. Then two new daily rainfall records, 1.01 inches on the 21st and 1.22 inches on the 19th. Overall a cool and wet month.

Records kept since October 1979.

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