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July pattern discussion


Typhoon Tip

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Dry Begets Wet.

Only 0.26" here today.

At 5:40pm the MVL Td hit 70F for the first time of the season following the rain.

This was one of those rain events that just makes it more humid because its not a FROPA...it rains, and then just adds more low level moisture to the point that you've got ground fog in spots, and the pavement steams when the sun comes back out. That's like deep summer stuff with the hillsides shrouded in mist and fog from like 80-100% RH with temps in the 70s.

Glad we live there
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Well yeah, my normal low is in that range and we hit that yesterday morning prior to 88F in the afternoon.

Much bigger difference to have a 62/53 type day over 88/53 even if they both have the same near normal minimum temp.

Heating is more a daytime high thing this time of year...it's gotta be cold enough for long enough to turn the heat on. Plenty of days in the past couple months my house has been in the mid-50s when I wake up cause the low was 39F but I don't hit the heat cause it'll be 75F by noon.

some understand some don't
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Congrats on the backdoor all.

 

you know what annoys me ?

 

this:

 post-904-0-71813000-1467981559_thumb.jpg

 

where's the backdoor?    

 

i get that there are other kinds of boundaries in the atmosphere - like, they're not going to annotate a cold front along the leading edge of an MCS swath.. etc..    but, BD's have enough distinction that some effort should be taken in my mind.  if you loop the hi res sat imagery you can clearly see a llv jet paralleling the Maine Coast, punching SW through SNE, and it has a discerned front edge presently in western MA/CT.  almost looks like a mocking penis head ...

 

our day is screwed now, and we don't even get the courtesy of a reach around distinction as to why? - jerks.  NY is behind their frontal drape, and they're getting spectacular weather before some fun convection...  not fair - haha!

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I noticed the US drought monitor has upgraded parts of Mass, NH and extreme SW Maine into severe drought.  Do you think someone should start a thread on the drought or just keep rainfall or lack there of in this July pattern thread?  If one of the mod's think we should do that I'll let them, I don't want to start a new thread myself.

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I noticed the US drought monitor has upgraded parts of Mass, NH and extreme SW Maine into severe drought. Do you think someone should start a thread on the drought or just keep rainfall or lack there of in this July pattern thread? If one of the mod's think we should do that I'll let them, I don't want to start a new thread myself.

I'd fire one up as things are getting very, very dire
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What a furnace. Prepare

What we do know, however, is that there are strong signals from

both the GFS and ECMWF ensembles that there will be significant

heat beginning Wednesday or Thursday and possibly continuing into

next weekend. There are high probabilities of temperatures above

90 in those ensembles and even decent probabilities of hitting 100

degrees by Friday or Saturday. It takes three days of 90+ to call

it a heat wave and that looks like a distinct possibility. With

increasing humidity, we could be looking at the need for Heat

Advisories. Have continued with above-guidance maximum temperature

forecasts...reaching the mid 90s Thursday and Friday, but would

not be surprised if they are a bit higher in later forecasts.

The weather will be mainly dry, but the risk for isolated

thunderstorms will begin to increase by Thursday as higher

dewpoints move in with increasing instability. Despite instability

in western sections Wednesday, warm 700 mb temperatures are

expected to provide a cap for any convection then.

Although beyond the extent of this forecast period, the following

weekend looks a tad cooler on the current operational GFS but

even hotter...above 100 on the current operational ECMWF run for

Sunday. You should definitely prepare for hot weather later this

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Someone at BOX for SNE

We meh?

Models signaling a possible heat wave in the interior as 850 mb

temps increase to 18-20C. There may be some issues with clouds

Thu/Fri which could impact temps but the pattern favors highs in the

lower 90s interior with some mid 90s possible if clouds are not an

issue. Looks dry Wed with limited instability, then risk of

showers/t-storms begin to increase Thu/Fri as mid level trof

approaches and dewpoints/instability increase. We may have a front

moving into the region Fri and deep layer shear increases ahead of

the trof so will have to watch Fri for a possible active day of

convection. If temps can reach mid 90s Thu/Fri we may be near heat

advisory criteria as dewpoints may approach 70.

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