July 22, 2011: A day of records
The crest of the extreme heat wave of July 2011 has passed, although temperatures are still going to be dangerously hot in the Mid-Atlantic and Northeast today. New York City (Central Park) will reach 100° again, as well as Philadelphia and possibly Washington Dulles. Heat index values could surpass the 110° mark today, and excessive heat warnings are in effect from New York City to South Carolina, as well as a large portion of the Central United States. Yesterday, the heat index soared past 120° in Wilmington, DE (124), Easton, MD (125), Annapolis, MD (120) and Atlantic City, NJ (122), among others. A more complete list of Friday's heat index extremes can be found here.
Numerous records fell yesterday as far north as Maine. There were plenty of daily records to talk about, but here are some of the noteworthy all-time record high temperatures:
• Newark, NJ: 108° (old record was 105° set in 2001)
• Washington Dulles, DC: 105° (old record was 104° on multiple dates)
• Bridgeport, CT: 103° (ties the old record set in 1957)
• Hartford, CT: 103° (old record was 102° set on multiple dates)
• New Haven, CT: 102° (old record was 101° set in 1926)
Baltimore hit 106°, one degree shy of their all-time high record which was set in 1936. New York City (Central Park) set a daily record of 104°, which was 2 degrees shy of their 106° all-time high record, which was also set in 1936. More on the record-setting year of 1936 in yesterday's blog from Jeff. Two notable all-time record high minimums were also set yesterday: 84° in New York (Central Park) and 86° in Newark, NJ.
Our weather historian, Christopher C. Burt, keeps track of 303 select stations in the U.S. with long standing record histories. So far this summer, seven of these have broken or tied their all-time maximum temperature records. Some of these were long-standing:
• Amarillo, TX 111° (1892)
• Dodge City, KS 110° (1874 tied)
• Newark, NJ 108° (1893)
• D.C. Dulles 105° (1962)
• Tallahassee, Fl 105° (1883)
• Hartford, CT 103° (1885)
• New Haven, CT 102° (1780)
The last summer to have more all-time high records than this year was 2002, which set 9. Christopher C. Burt estimates that yesterday probably rates in the top five hottest days on record for the mid-Atlantic states (Washington D.C. to Boston).
Invest 90L

Satellite imagery of NHC Invest 90L this morning.
Invest 90L is looking ragged on satellite as it makes its way across the Caribbean islands. While this wave looked ripe for eventual development earlier this week, it has really taken a turn for the worse as it moved across the Main Development Region of the North Atlantic. Today, low level circulation is could favorably be described as less than moderate, and almost nonexistent at higher levels. Today, not one of the global models I've looked at (ECMWF, NOGAPS, CMC, UKMET, or GFS) develop 90L, but they are coming into better agreement that the wave's track will be across the Caribbean islands and into the Gulf of Mexico, rather than up the east coast of Florida. This could be one of the reasons the models are not suggesting development—too much land interaction, not enough time over open warm waters. However, its hard to say that this wave will not show some signs of improvement when it reaches the Gulf. Water will be toasty, moisture will be relatively high, and wind shear will remain incredibly low. Today the National Hurricane Center is giving this wave a 20% chance of development over the next 48 hours. My forecast has been the same for the past two days, right around 20% chance of development over the lifetime of the wave.
Thanks to our weather historian Christopher C. Burt for some useful information on heat waves and yesterday's records. I'll have another blog on Monday.
Angela
Reader Comments
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The thing is that every time that JFV comes around, the blog gets affected..
In the "Barrio", Brooking NY, JFV was "Jaimito Fuma Veneno", a drug addict that everybody knew and helped by giving him food. He was killed in 1988..
Link for picture ???
Is that more north than before?
Link
Ah, that sucks.
Action: Quote | Ignore User
Well, I hope we do a bit better... lol
On the JFV conversation, I'm suggesting if u have a problem with a blogger, use the post related buttons. I'm about ready to start [-] everybody who keeps talking about JFV again. It's a really unnecessary distraction...
I agree. It makes this blog look bad. I don't know who JFV is or what he/she did, but it's not weather related and might deter new bloggers who are afraid to post and be accused of whatever.
Now on topic... 90L seems to be dying for the night. The cycle continues. It'll be back tomorrow afternoon though.
This is the CV system of the GFS at its peak.
Lets see what the 00z run, which I consider the most reliable run, looks like.
I wouldn't be so sure of that.
That's because everytime the name comes up, ... If people would not worry if someone was him, he could die a blog death.
Rain around us today, but not on us.
No menace, Juanito Fuma Veneno was really killed in 1988 in the "Barrio", New York. I went on vacation to visit family and he was very popular there...
Are you also called Juanito?
There was a Hurricane called Juan
Hurricane Juan was a significant hurricane that struck the southern part of Atlantic Canada in late September 2003. It was the tenth named storm and the sixth hurricane of the 2003 Atlantic hurricane season.
Juan formed southeast of Bermuda on September 24, 2003 out of a tropical wave that tracked into the subtropical Atlantic Ocean. It strengthened gradually in the warm waters of the Gulf Stream, reaching Category 2 strength on the Saffir-Simpson hurricane scale on September 27 while continuing to track northward. It peaked at 105 mph (165 km/h) as it rapidly approached the coast of Nova Scotia, losing little intensity over the cooler waters.
nop
Yeah, track wise it is similar. Although Nogaps moves at lower latitudes and the low it forms develops in 72hrs, the GFS in 252hrs.
It's far from fiction.
:|
It's not the same wave - someone pointed out the NGP develops teh wave that is getting ready to exit Africa. The GFS develops that out in early Aug.
Or the "!" button, which i've finally done.
Now, the topic is going to the TW that's left Africa and what some models are showing to become Don.
I'm actually paying more attention to the Nogaps since the development it shows is supposed to start soon.
GFS long range is as real as Tinkerbell. xD
wow according to that the high will block anything from turning north
Personally, the former.
Nah, that was Fabian. Juan struck Atlantic Canada, and Fabian hit Bermuda as a Category 3.
Jason posted the surface analysis map a page or 2 back - do believe they still have the low with it.
Yes could be interesting.
That wave at 40W has good vorticity.
Tropical Cyclone Advisory #1
TROPICAL DEPRESSION 09
9:00 AM JST July 25 2011
==========================================
SUBJECT: Tropical Depression In Sea East Of The Philippines
At 0:00 AM UTC, Tropical Depression (1004 hPa) located at 12.8N 128.1E has 10 minute sustained winds of 30 knots with gusts of 45 knots. The depression is reported as moving northwest at 10 knots
Dvorak Intensity: T2.0
Forecast and Intensity
========================
24 HRS: 15.0N 126.8E -(CAT 1/Tropical Storm)
Additional Information
=====================
Tropical depression will move at the same speed for the next 24 hours
Tropical depression will move northwest for the next 24 hours
Tropical depression will be upgraded to tropical storm within 24 hours
Tropical depression will develop because cyclone will stay in high sea surface temperature area
Final initial Dvorak number will be T2.0 after 24 hours
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