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E PA/NJ/DE Summer 2020 OBS Thread


Rtd208
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2 minutes ago, Hurricane Agnes said:

Now getting some winds... it has been mostly a lot of rain, thunder and lightning with just moderate wind.  Temp is holding at 69.  Now up to 2.02" of rain from this event so far.  Rain rate is averaging around 4.5"/hr.  Huzzah!

radar38-kdix-07062020.png

Huzzah indeed - you're getting pummeled!

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Rare Flash Flood Emergency issued -

 

Quote

WGUS51 KPHI 061857
 FFWPHI
 NJC005-007-015-PAC017-045-091-101-062300-
 /O.NEW.KPHI.FF.W.0011.200706T1857Z-200706T2300Z/
 /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
 
 BULLETIN - EAS ACTIVATION REQUESTED
 Flash Flood Warning
 National Weather Service Mount Holly NJ
 257 PM EDT Mon Jul 6 2020
 
 ...FLASH FLOOD EMERGENCY FOR THE NORTHERN PHILADELPHIA AREA...
 
 The National Weather Service in Mount Holly NJ has issued a
 
 * Flash Flood Warning for...
   Northwestern Camden County in southern New Jersey...
   North central Gloucester County in southern New Jersey...
   Central Burlington County in southern New Jersey...
   Southeastern Montgomery County in southeastern Pennsylvania...
   Southeastern Bucks County in southeastern Pennsylvania...
   Philadelphia County in southeastern Pennsylvania...
   Eastern Delaware County in southeastern Pennsylvania...
 
 * Until 700 PM EDT.
 
 * At 255 PM EDT, law enforcement reported several water rescues were 
   ongoing in northern Philadelphia. Widespread rainfall of 2 to 4 
   inches, with local amounts close to 5 inches, have occurred in the 
   Philadelphia metro area. This is a dangerous situation. Flash 
   flooding is already occurring. This replaces the previous flash 
   flood warning in effect for the area.
 
   THIS IS A FLASH FLOOD EMERGENCY FOR NORTHERN PHILADELPHIA. This is 
   a PARTICULARLY DANGEROUS SITUATION. SEEK HIGHER GROUND NOW!
 
   HAZARD...Life threatening flash flooding. Heavy rain producing 
            flash flooding.
 
   SOURCE...Law enforcement.
 
   IMPACT...This is a PARTICULARLY DANGEROUS SITUATION. SEEK HIGHER 
            GROUND NOW! Life threatening flash flooding of low water 
            crossings, small creeks and streams, urban areas, 
            highways, streets and underpasses.
 
 * Some locations that could experience flooding include...
   Philadelphia, Camden, Gloucester City, Cherry Hill, Bensalem,
   Evesham, Mount Laurel, Ewing, Norristown, Willingboro, Deptford,
   Voorhees, Medford, West Deptford, Lindenwold, Lansdale, West
   Norriton, East Norriton, Lumberton and Florence.
 
 PRECAUTIONARY/PREPAREDNESS ACTIONS...
 
 Protecting yourself from immediate threats to life and safety shall
 take priority.  Whenever possible, as long as it does not cause
 greater harm, all COVID-19 protective action guidance should be
 followed.
 
 Move to higher ground now. This is an extremely dangerous and
 life-threatening situation. Do not attempt to travel unless you are
 fleeing an area subject to flooding or under an evacuation order.
 
 Excessive runoff from heavy rainfall will cause flooding of small
 creeks and streams, urban areas, highways, streets, and underpasses
 as well as other drainage areas and low lying spots.
 
 &&
 
 LAT...LON 3981 7528 4004 7541 4007 7536 4006 7539
       4009 7542 4010 7545 4016 7549 4034 7494
       4030 7487 4024 7483 4022 7478 3981 7458
 
 FLASH FLOOD...OBSERVED
 FLASH FLOOD DAMAGE THREAT...CATASTROPHIC
 EXPECTED RAINFALL...1-2 INCHES IN 1 HOUR
 
 $$
 
 CMS

 

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21 minutes ago, Birds~69 said:

Rain wise will be S of us but really cool dark clouds/winds and constant distant thunder for now....

So parts of Philly picked up more than 4 feet of snow and I got a passing flurry or two. :blink:

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So far I have 3.09" of rain since ~1:00 pm (max rain rate hit 3.19"/hr so far). Temp is sitting at 69 now but I see the new batch coming this way.  The cells are slow-moving and dumping like crazy apparently.  Heard Hurricane Schwartz on and off on KYW the past hour and he was talking about all the back-building of the thunderstorms. The latest cluster might sideswipe me to the south if it continues the current storm motion.

radar79-kdix-07062020.png

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13 minutes ago, Hurricane Agnes said:

So far I have 3.09" of rain since ~1:00 pm (max rain rate hit 3.19"/hr so far). Temp is sitting at 69 now but I see the new batch coming this way.  The cells are slow-moving and dumping like crazy apparently.  Heard Hurricane Schwartz on and off on KYW the past hour and he was talking about all the back-building of the thunderstorms. The latest cluster might sideswipe me to the south if it continues the current storm motion.

radar79-kdix-07062020.png

Looks like it's trying to sag down this way - we'll see. Dark clouds and some rumbles of thunder off to the north. Nothing here earlier, but the cool breezes from Philly were nice.

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5 minutes ago, KamuSnow said:

Looks like it's trying to sag down this way - we'll see. Dark clouds and some rumbles of thunder off to the north. Nothing here earlier, but the cool breezes from Philly were nice.

Yeah that blob is expanding and contracting and expanding (back-building) and it looks like it is sagging towards Delco.

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3 minutes ago, Chief83 said:

Worcester - Pa   .50 of rain as of 4:30 PM. Most of the action so far has been to east - towards Cheltenham. Multiple water rescues in that area.  Heavy shower here now.

I'm about 4 miles to the SW of Cheltenham Twp.  I know that my sis in the next door Springfield Twp (in Wyndmoor) just had her power go out on her street in the past hour.  Transformer was sparking and then blew.

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22 minutes ago, Hurricane Agnes said:

I'm about 4 miles to the SW of Cheltenham Twp.  I know that my sis in the next door Springfield Twp (in Wyndmoor) just had her power go out on her street in the past hour.  Transformer was sparking and then blew.

Your elevation is pretty high (400 feet) so I assume/hopefully your safe from the flash flood emergency?

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1 minute ago, SnowLover22 said:

Your elevation is pretty high (400 feet) so I assume your safe from the flash flood emergency?

Yes but then if I go to the stores in Erdenheim or Flourtown during heavy rains like this, there's a big hill I would go down along Bethlehem Pike, and I know it probably floods there at Bethlehem Pk and Montgomery at the bottom of the hill.  That is why I am always impressed with Springfield Township because they have equipment to keep their storm drains cleared!!!  They also have a catch pond near there too and it's all part of the Wissahickon Watershed that they have been continually working on improving too.

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