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Pittsburgh/Western PA Summer 2023


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27 minutes ago, KPITSnow said:

Man, you guys rip me for complaining about snow but the constant whining about 89 vs 90 is absurd lol

Did you you 7" or 8" during the Winter Storm Warning?

You might get mad at the use of a heat advisory when the heat index might not reach the 100 degree threshold.

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SEL7

   URGENT - IMMEDIATE BROADCAST REQUESTED
   Severe Thunderstorm Watch Number 557
   NWS Storm Prediction Center Norman OK
   220 PM EDT Fri Jul 28 2023

   The NWS Storm Prediction Center has issued a

   * Severe Thunderstorm Watch for portions of 
     Eastern Ohio
     Western Pennsylvania
     Western and northern West Virginia
     Lake Erie

   * Effective this Friday afternoon and evening from 220 PM until
     800 PM EDT.

   * Primary threats include...
     Scattered damaging wind gusts to 70 mph possible

   SUMMARY...A band of thunderstorms will spread eastward across
   eastern Ohio, West Virginia and western Pennsylvania through the
   afternoon, with an attendant threat for occasional wind damage.

   The severe thunderstorm watch area is approximately along and 45
   statute miles east and west of a line from 35 miles north northwest
   of Franklin PA to 40 miles south of Charleston WV. For a complete
   depiction of the watch see the associated watch outline update
   (WOUS64 KWNS WOU7).

   PRECAUTIONARY/PREPAREDNESS ACTIONS...

   REMEMBER...A Severe Thunderstorm Watch means conditions are
   favorable for severe thunderstorms in and close to the watch area.
   Persons in these areas should be on the lookout for threatening
   weather conditions and listen for later statements and possible
   warnings. Severe thunderstorms can and occasionally do produce
   tornadoes.

   &&

   AVIATION...A few severe thunderstorms with hail surface and aloft to
   0.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
   few cumulonimbi with maximum tops to 550. Mean storm motion vector
   27025.

   ...Thompson

 

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18 minutes ago, Ahoff said:

Yeah, looks like dew points stayed lower than expected.  That's ok though, less humid is always good.

What’s confusing to me is they keep continuing the heat advisory for us even though the threat of 100+ heat indices has passed. They’ve trimmed off the western counties but really they should just scrap it altogether.

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20 minutes ago, TimB said:

What’s confusing to me is they keep continuing the heat advisory for us even though the threat of 100+ heat indices has passed. They’ve trimmed off the western counties but really they should just scrap it altogether.

Advisory and watch is canceled 

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1 hour ago, TimB said:

What’s confusing to me is they keep continuing the heat advisory for us even though the threat of 100+ heat indices has passed. They’ve trimmed off the western counties but really they should just scrap it altogether.

Meanwhile, Ray Petlin said Elizabeth had a heat index of 109 and Pittsburgh recorded 105 today.  There's no way that's correct.  Where did he see that?

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6 hours ago, Ahoff said:

Did you you 7" or 8" during the Winter Storm Warning?

You might get mad at the use of a heat advisory when the heat index might not reach the 100 degree threshold.

Should the criteria be 100 though? The criteria is only 95 at Syracuse even though they have averaged 3 more 90+ days and 1 more 95+ day per year than Pittsburgh over the last 25 years. It doesn’t make much sense for our criteria to be higher than locations more prone to extreme heat.

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37 minutes ago, TheClimateChanger said:

Should the criteria be 100 though? The criteria is only 95 at Syracuse even though they have averaged 3 more 90+ days and 1 more 95+ day per year than Pittsburgh over the last 25 years. It doesn’t make much sense for our criteria to be higher than locations more prone to extreme heat.

No it doesn’t, but that’s the criteria for now.  Even if it was a 95 threshold I still don’t think we’d qualify today.  The heat index only 95 at one hourly update.

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High of 94F today at Morgantown. With today's extreme heat, I thought it would be a good opportunity to look at the climatology of extreme heat in the region.

Here are the most recent dates of 100+ at the regional climo sites:

Morgantown, New Philadelphia, and Zanesville: 7/7/2012

DuBois: 7/22/2011 [only date on record with 100+]

Pittsburgh: 7/15/1995 [back in the good ol' days when PIT used to be the warmest spot in the region]

Wheeling: 7/18/1942 [large gap in the threaded record from 1953 until 1998]

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