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HEAT WAVE 6 now underway....probably will last 5 days


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Here are some composite 500 maps for periods that had at least 2 consecutive days 100+ at D.C., with one being 103+. Should probably work back to 102 at least as 103 is out on a limb for heat here. The maps I pulled were from the hottest day of each stretch. Most look fairly similar on their own, at least with a big fat subtropical ridge. The 1930s maps are a bit different with the highest heights centered well west of others.

1980 and beyond (4)

post-1615-0-84595500-1311006273.gif

Early period (5)

post-1615-0-42510300-1311006281.gif

All (9)

post-1615-0-01903500-1311006285.gif

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What do you think - contest Thur-Sun? Highs only? The three airports?

yeah that would probably work.. going to be clustering but out of 12 data pts someone should win. ;)

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7pm Friday - GFS 850T = 26.1....fully mixed out is ~105/106F......I have to at least consider the possibility that we get 104-106 on Friday.

I'm putting some foil on the sidewalk and slow roasting a bunch of rotiserries on Friday. Everyone is free to come over for some bird and beer.

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* Not a forecast *

7pm Friday - GFS 850T = 26.1....fully mixed out is ~105/106F......I have to at least consider the possibility that we get 104-106 on Friday.

hard to predict near all time records. would be neat to see i guess.

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We'll get a 104 ob and then switch to a S wind and drop to 98 :P

im not convinced the dca therm can read past 102 so hopefully it doesnt get stuck there on the hot day.

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im not convinced the dca therm can read past 102 so hopefully it doesnt get stuck there on the hot day.

Fair enough. What I really want is my thermometer to hit 100. On the super-hot days it has lagged DCA by 4 or 5. Stupid trees and elevation.

LWX throwing out some big numbers:

THE CENTER OF THE HIGH WILL BE OVERHEAD FRIDAY CAUSING EXTREME HEAT OVER THE REGION. MAX TEMPS WILL LIKELY EXCEED 100 DEGREES ACROSS MOST LOCATIONS WITH SOME AREAS POSSIBLY APPROACHING 105 DEGREES. HEAT INDICES UP TO 115 DEGREES ARE POSSIBLE FRIDAY AFTERNOON AND EARLY EVENING. AN EXCESSIVE HEAT WATCH MAY BE WARRANTED FOR FRIDAY.

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Sort of weather related....

This is for the PJM Interconnection area which includes our entire region.

The highest Peak Demand for electricity last year occurred on July 6th at 136,680 MW. My high temperature that day was 98.4F. DCA was 102 and IAD was 100.

The all time Peak Demand was 144,644 MW on August 2, 2006. It was 96 at CRW that day, 99 at DCA and 97 at IAD. The temperatures were lower than last year's peak date so we apparently are using less electricty and/or becoming more efficient with its use.

An all time record usage for a Saturday (weekend) was set last year on July 24.

It will be interesting to see if we set an all time record for electricity usage on Friday.

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So, if we were to use our winter SECS/HECS/BECS slang to describe summer weather, would it be fair to say we are facing a 'Biblical East Coast Heat' (BECH)? And if it stays hot next week, would that be a son-of-a-BECH?

(sorry!) :whistle:

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Thanks for sharing this data.

I just looked at PJM data for today and it looks like we are running at 143,668 MW.

See http://www.pjm.com/pub/account/lmpgen/lmppost.html

Could be a good bet to break the all time record on Thursday or Friday.

Sort of weather related....

This is for the PJM Interconnection area which includes our entire region.

The highest Peak Demand for electricity last year occurred on July 6th at 136,680 MW. My high temperature that day was 98.4F. DCA was 102 and IAD was 100.

The all time Peak Demand was 144,644 MW on August 2, 2006. It was 96 at CRW that day, 99 at DCA and 97 at IAD. The temperatures were lower than last year's peak date so we apparently are using less electricty and/or becoming more efficient with its use.

An all time record usage for a Saturday (weekend) was set last year on July 24.

It will be interesting to see if we set an all time record for electricity usage on Friday.

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* Not a forecast *

7pm Friday - GFS 850T = 26.1....fully mixed out is ~105/106F......I have to at least consider the possibility that we get 104-106 on Friday.

Hopefully, the GFS warm bias at 850 will keep the 850 temps lower than 26C. I kind of wish we still had the cold bias version running.

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