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E PA/NJ/DE Summer 2023 OBS Thread


JTA66
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Had heard on KYW that Mt. Holly had confirmed a tornado down in Delaware.  Was categorized as an EF1 -

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000
NOUS41 KPHI 102126
PNSPHI
DEZ001>004-MDZ012-015-019-020-NJZ001-007>010-012>027-PAZ054-055-
060>062-070-071-101>106-110930-

Public Information Statement
National Weather Service Mount Holly NJ
526 PM EDT Mon Jul 10 2023

...NWS Damage Survey for the July 9th, 2023 Tornado Event...

.Middletown DE...

Rating:                 EF-1
Estimated Peak Wind:    100 mph
Path Length /statute/:  1.19 miles
Path Width /maximum/:   200 yards
Fatalities:             0
Injuries:               0

Start Date:             07/09/2023
Start Time:             04:49 PM EDT
Start Location:         4 NE Middletown / New Castle County / DE 
Start Lat/Lon:          39.5035/ -75.6689

End Date:               07/09/2023
End Time:               04:51 PM EDT
End Location:           5 NE Middletown / New Castle County / DE
End Lat/Lon:            39.5132 / -75.6513

Survey Summary:
An EF-1 tornado began about 4 miles northeast of Middletown, DE just 
north of DE Route 896 (Boyds Corner Road) in a field just west of 
North Bayberry Parkway. Prior to the tornado development, some 
notable rear flank downdraft straight line wind damage occurred in 
the Bayberry South neighborhood. Several homes along South Bayberry 
Parkway, Puccini Lane, Chopin Drive, and Ravel Lane sustained 
primarily minor cosmetic damage to soffit and gutters. Some singles 
and siding were blown off as well. One home on Chopin Drive had a 
very small section of roof blown off. The rear flank downdraft winds 
continued northeast crossing DE Route 896 where a few small signs 
were blown over, including damage to the Bayberry North neighborhood 
sign. A single family house and detached garage near the 
intersection of North Bayberry Parkway and DE Route 896 sustained 
some cosmetic damage. Additionally, several trees sustained varying 
degrees of damage on and immediately surrounding this property. No 
additional straight line winds were found beyond this property.

The tornadic circulation began about 200 yards northwest of the 
aforementioned property where several small to medium sized softwood 
trees were damaged or uprooted, falling in a convergent pattern, 
along North Bayberry Parkway. The tornado continued northeast where 
it caused some minor damage to a small park playground and pavilion. 
The tornado moved northeast through a field and across a pond, then 
impacted one home along Plato Place. This home sustained some 
cosmetic damage and a fence was blown down. The tornado then 
continued into a tree line where some trees were uprooted, then 
emerging into a residential area along Milford Drive. This is where 
the tornadic circulation reached its maximum width of about 200 
yards. Additional trees were uprooted or snapped along the western 
loop of Milford Drive and a few homes sustained some minor cosmetic 
damage.

The tornado continued northeast toward the western loop of Milford 
Drive where it strengthened. A tree line of cedar trees had most 
trees uprooted. One home's detached garage had a garage door blown 
inward and an exterior wall pushed outward, but not completely 
collapsed. The home itself had several singles and shutters blown 
off. Another home had a back deck porch roof completely blown off 
and destroyed. A hot tub was blown off of its supports and flipped 
over and much of the patio furniture was blown dozens of yards away. 
Another detached garage at another residence sustained some minor 
cosmetic damage as well. The tornado continued along Ethel Court 
where primarily tree damage occurred, including another row of 
cedar trees that were blown down.

The tornado continued northeast along Bullen Drive, turning slightly 
left as the circulation began to occlude. Numerous small trees 
sustained varying degrees of damage just north of the Asbury Loop 
intersection. Several residences along Bullen Drive were impacted 
from near the intersections of South Red Fox Circle and North Red 
Fox Circle, particularly on the eastern side where the most 
significant damage was noted. Numerous trees were snapped or 
uprooted in this area. One home had a large chimney blown off, 
landing in the backyard. Another home had a large section of attic 
wall blown off along with roofing material blown off. The most 
significant damage from the tornado occurred to a home where the 
entire attached garage roof was blown off into the front yard. This 
home also had an upstairs window blown out and the northeast facing 
upstairs exterior wall was pushed outward, but not completely 
collapsed. The home northeast had nearly an entire side of the house 
stripped of siding. A home across the street had a portion of its 
porch roof lifted and another had 3 windows blown out along with 
other cosmetic damage.

The tornado then moved north-northeast crossing Angelo Court where 
two homes sustained minor cosmetic damage and had a few small trees 
uprooted. The tornado then dissipated as it reached Hyatts Corner 
Road. No known injuries or fatalities occurred from this tornado.

The survey team found additional wind damage farther northeast of 
where the tornadic circulation dissipated. A semi-truck was blown 
over on DE Route 1 southbound just downstream. Some corn was blown 
down in a field east of US Route 13, but there was no supporting 
evidence of a tornadic circulation in this area. Additional sporadic 
tree damage and some minor cosmetic damage to homes was found in 
residential areas along and off of Port Penn Road, including along 
Sugar Pine Drive and Dutch Neck Road. Some additional blown down 
corn was found in some fields farther along Dutch Neck Road. This 
damage was determined to be the result of straight line winds.

The National Weather Service would like to thank New Castle County 
Emergency Management and Mr. Lou Ruh for providing assistance with 
this survey.

&&

EF Scale: The Enhanced Fujita Scale classifies tornadoes into the
following categories:

EF0...Weak......65 to 85 mph
EF1...Weak......86 to 110 mph
EF2...Strong....111 to 135 mph
EF3...Strong....136 to 165 mph
EF4...Violent...166 to 200 mph
EF5...Violent...>200 mph

NOTE:
The information in this statement is preliminary and subject to
change pending final review of the event and publication in
NWS Storm Data.


$$

Staarmann

As an obs, I bottomed out at 67 earlier this morning and it's on its way up, with it currently mostly sunny and 73 with dp 66.

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It looks like a couple slightly above normal temp days are on tap for the area over the next couple of days. However, 90 degree plus temps look to yet again miss most of Chester County. Later tomorrow the weather looks to get a bit unsettled again with a good chance of showers and t-storms by Thursday night and chances continue through much of the upcoming weekend.
Records for today: High 99 (1936) / Low 45 (1898) / Rain 2.09" (2009)
image.png.134b20ac5e2fd7f77c3e509ab9e38559.png
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well, here it comes- first closing because of high Bacterial counts  in our area from the first flush of these intense downpours like I said a few days ago. More will be coming:

https://www.lehighvalleylive.com/news/2023/07/beltzville-lake-closes-to-swimming-following-high-bacterial-counts.html

By the way, another major sinkhole a mile from my house 

https://www.wfmz.com/news/area/lehighvalley/sinkhole-opens-behind-home-in-macungie/article_820c630c-1ff2-11ee-9973-47ea2197cdce.html#tncms-source=More-from-newsroom-(right-column)

 

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Friend in Cape Coral Florida says they are reporting significant Saharan Dust??  How can there be Saharan Dust when the across the Atlantic has been predominately west to east for weeks?  I have been looking at the Water Vapor Maps for weeks going back to June.  

Perhaps it is not Saharan Dust but rather smoke from the Wildfires in Canada?

 

Thoughts?

 

 

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1 hour ago, Kevin Reilly said:

Friend in Cape Coral Florida says they are reporting significant Saharan Dust??  How can there be Saharan Dust when the across the Atlantic has been predominately west to east for weeks?  I have been looking at the Water Vapor Maps for weeks going back to June.  

Perhaps it is not Saharan Dust but rather smoke from the Wildfires in Canada?

 

Thoughts?

 

 

Has seen the data and the science and can confirm it's Saharan.

 

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13 hours ago, Kevin Reilly said:

Friend in Cape Coral Florida says they are reporting significant Saharan Dust??  How can there be Saharan Dust when the across the Atlantic has been predominately west to east for weeks?  I have been looking at the Water Vapor Maps for weeks going back to June.  

Perhaps it is not Saharan Dust but rather smoke from the Wildfires in Canada?

 

Thoughts?

 

 

It's an annual/seasonal thing.  Some years are worse than others.  There are various global air and water currents and you'll notice that outside of the "locally grown" tropical cyclones near North America along the central/southern Atlantic, the Caribbean, and GOM, much of the rest come right off the west coast of Africa and traverse from east to west over the open ocean, following along what is dubbed the "trade winds" (which also correspond with ocean currents gong in similar directions). ;)

trade-winds-world-map.png

https://scijinks.gov/trade-winds/

ETA - I once had a coworker who mentioned that at the U.S. military facility near Dakar, Senegal, those stationed there could often watch the Saharan "dust" moving overhead towards the ocean.

As an obs, I didn't hit 90 yesterday (topped out at 88) and I think I have pretty much bottomed out at 68 this morning.  I expect I will hit at least 90 today and am currently partly sunny and 70, with dp 65.

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Yesterday was our 3rd straight slightly cooler than normal day...but temps the next 2 days should rise to above normal levels. We may even see a couple lower spots in the county hit 90 degrees. Some of the higher elevation spots have still yet to see a 90 degree day this summer. Philadelphia will today see their 7th such day. Rain chances increase by tomorrow night and at least a 50% chance of showers through much of the upcoming weekend.
Records for today: High 96 (1936) / Low 48 (1945) / Rain 3.58" (2004)
image.png.45b5153d3ceaa2f9cc954867c797438c.png
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I was interviewed by The Daily Local News in West Chester regarding the recent storms see his article below from the Daily Local.

https://www.dailylocal.com/2023/07/10/weekend-washout-sees-different-dump-of-drops-across-chester-county/?fbclid=IwAR2Zk8nJlYRTVp3aVFLP9n09uTzu9XhrauIxgPC5d4W1_ki85uF5euH-r4Q

 

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12 hours ago, Maxwell03 said:

Sheesh

SSTs July 12.jpeg

Yeah I have been hearing about the shore temps the past couple weeks and this is really early for those temps.  Usually don't see that until August.

I bottomed out at 71 this morning and so far have hit 93 for a high.

The humidity is definitely up more today than yesterday, even with the mostly clear sky and few clouds here and there much of the day.  It's currently clouding up a bit and 91 with dp 72.

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On 7/9/2023 at 3:28 PM, RedSky said:

Where is Newman he looks like ground zero at the moment

 

Just got home from a backpacking trip near Williamsport. Left on Sunday and the last text I got from my parents before losing phone service was "Rain won't let up, been pouring for hours". Can't believe I missed a historic flood in my area. 

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1 hour ago, Newman said:

Just got home from a backpacking trip near Williamsport. Left on Sunday and the last text I got from my parents before losing phone service was "Rain won't let up, been pouring for hours". Can't believe I missed a historic flood in my area. 

That's just the way she goes

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1 hour ago, Newman said:

Just got home from a backpacking trip near Williamsport. Left on Sunday and the last text I got from my parents before losing phone service was "Rain won't let up, been pouring for hours". Can't believe I missed a historic flood in my area. 

Think 4-5" up that way....maybe I heard incorrectly...NBC10.

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1 hour ago, Birds~69 said:

Think 4-5" up that way....maybe I heard incorrectly...NBC10.

PNS for Berks had one spotter report of 2.74" -

Quote

...Pennsylvania...

...Berks County...                
West Lawn                    6.69 in   1045 PM 07/09   360                  
Reading                      5.35 in   1054 PM 07/09   259                  
Sinking Spring               4.95 in   1043 PM 07/09   456                  
1.8 W Bern Twp               4.41 in   1000 PM 07/09   350                  
Sinking Spring (Wilson W)    4.29 in   1055 PM 07/09   334                  
Reading                      3.82 in   1045 PM 07/09   321                  
Hopewell                     3.70 in   1043 PM 07/09   443                  
Reading                      3.58 in   1050 PM 07/09   1115                 
Lenhartsville                2.99 in   1048 PM 07/09   583                  
Mertztown                    2.90 in   1045 PM 07/09   501                  
Fleetwood                    2.74 in   1045 PM 07/09   918                  
2.5 N Centerport             2.58 in   1000 PM 07/09   310                  
Oley                         2.57 in   1030 PM 07/09   426                  
Boyertown                    2.50 in   1050 PM 07/09   689                  
Harlem                       2.02 in   1045 PM 07/09   866                  
Jefferson Twp                1.96 in   1054 PM 07/09   206                  
                  

It all depended if you got stuck under a slow-moving cell that kept back-building.  There was a chaser recorded the flooding there in towns near Fleetwood (Oley & Blandon, etc) -

 

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