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E PA/NJ/DE Summer 2023 OBS Thread


JTA66
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12z guidance really doesn't bring any further clarification for our area. There's still 2 distinct camps. The NAM and HRRR both weaken the convection before it gets to SE PA while some of the CAM's and RGEM bring a strong line through the area in the 6-10 PM range. Will be interesting to see which verifies.

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1 hour ago, The Iceman said:

12z guidance really doesn't bring any further clarification for our area. There's still 2 distinct camps. The NAM and HRRR both weaken the convection before it gets to SE PA while some of the CAM's and RGEM bring a strong line through the area in the 6-10 PM range. Will be interesting to see which verifies.

I had some sun for a few minutes right after my last post and it self-destructed fairly quickly.  I think it is trying though.

There is a low off the coast of NC and a high to the NE of that across from ME, and that combo seems to be advecting easterly winds and ocean stuff over this area (at least up where I am NW of downtown).

Currently overcast and 79 with dp 75.

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Was just out for a walk, feeling that warm breeze.  Something coming, hope it fizzles before it arrives at my location.  Right next door, Lancaster Co, and south, Cecil have TOR watches up. I forgot to put my umbrella down at the river cottage (Elk-Cecil Co) uh oh.  

80D-76DP-87%RH  Gross.

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Here we go -

Quote

Tornado Watch

TORNADO WATCH OUTLINE UPDATE FOR WT 605
NWS STORM PREDICTION CENTER NORMAN OK
315 PM EDT MON AUG 7 2023

TORNADO WATCH 605 IS IN EFFECT UNTIL 1100 PM EDT FOR THE
 FOLLOWING LOCATIONS

PAC011-015-017-025-029-045-069-077-079-089-091-095-101-103-115-
127-131-080300-
/O.NEW.KWNS.TO.A.0605.230807T1915Z-230808T0300Z/

PA
.    PENNSYLVANIA COUNTIES INCLUDED ARE

BERKS                BRADFORD            BUCKS
CARBON               CHESTER             DELAWARE
LACKAWANNA           LEHIGH              LUZERNE
MONROE               MONTGOMERY          NORTHAMPTON
PHILADELPHIA         PIKE                SUSQUEHANNA
WAYNE                WYOMING
$$

 

Quote

Tornado Watch

TORNADO WATCH OUTLINE UPDATE FOR WT 605
NWS STORM PREDICTION CENTER NORMAN OK
315 PM EDT MON AUG 7 2023

TORNADO WATCH 605 IS IN EFFECT UNTIL 1100 PM EDT FOR THE
 FOLLOWING LOCATIONS

NJC001-005-007-009-011-015-019-021-033-041-080300-
/O.NEW.KWNS.TO.A.0605.230807T1915Z-230808T0300Z/

NJ
.    NEW JERSEY COUNTIES INCLUDED ARE

ATLANTIC             BURLINGTON          CAMDEN
CAPE MAY             CUMBERLAND          GLOUCESTER
HUNTERDON            MERCER              SALEM
WARREN
$$

 

Quote

Tornado Watch

TORNADO WATCH OUTLINE UPDATE FOR WT 605
NWS STORM PREDICTION CENTER NORMAN OK
315 PM EDT MON AUG 7 2023

TORNADO WATCH 605 IS IN EFFECT UNTIL 1100 PM EDT FOR THE
 FOLLOWING LOCATIONS

DEC001-003-005-080300-
/O.NEW.KWNS.TO.A.0605.230807T1915Z-230808T0300Z/

DE
.    DELAWARE COUNTIES INCLUDED ARE

KENT                 NEW CASTLE          SUSSEX
$$

 

 

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Ray's work -

Quote

Tornado Warning

Tornado Warning
PAC029-072245-
/O.NEW.KPHI.TO.W.0030.230807T2208Z-230807T2245Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mount Holly NJ
608 PM EDT Mon Aug 7 2023

The National Weather Service in Mount Holly NJ has issued a

* Tornado Warning for...
  Central Chester County in southeastern Pennsylvania...

* Until 645 PM EDT.

* At 608 PM EDT, a severe thunderstorm capable of producing a tornado
  was located near Coatesville, or 12 miles west of West Chester,
  moving northeast at 50 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without
           shelter. Mobile homes will be damaged or destroyed.
           Damage to roofs, windows, and vehicles will occur.  Tree
           damage is likely.

* Locations impacted include...
  West Chester, Phoenixville, Coatesville, Downingtown, Paoli,
  Chester Springs, Pughtown, Lionville, Marshallton,
  Lionville-Marchwood, West Goshen, Malvern, South Coatesville,
  Modena, Exton, Thorndale, Chesterbrook and Devon-Berwyn.

This includes Pennsylvania Turnpike between mile markers 308 and 323.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3986 7586 3989 7592 4021 7563 4004 7541
TIME...MOT...LOC 2208Z 227DEG 43KT 3992 7583

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

RCM

 

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2 minutes ago, Amped said:

Radar looks Nasty. 60-70kt velocities shooting up I95 from Wilmington. Does anyone post on this forum anymore?

Are you missing all the posts above you? :P

STS up all over the place.

Quote

Severe Thunderstorm Warning

Severe Thunderstorm Warning
DEC003-MDC029-NJC005-007-015-019-021-033-PAC011-017-029-045-091-101-
072330-
/O.NEW.KPHI.SV.W.0271.230807T2221Z-230807T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
621 PM EDT Mon Aug 7 2023

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  New Castle County in northern Delaware...
  Northern Kent County in northeastern Maryland...
  Camden County in southern New Jersey...
  Mercer County in central New Jersey...
  Salem County in southern New Jersey...
  Southeastern Hunterdon County in northwestern New Jersey...
  Gloucester County in southern New Jersey...
  Northwestern Burlington County in southern New Jersey...
  Montgomery County in southeastern Pennsylvania...
  Southeastern Berks County in eastern Pennsylvania...
  Bucks County in southeastern Pennsylvania...
  Chester County in southeastern Pennsylvania...
  Philadelphia County in southeastern Pennsylvania...
  Delaware County in southeastern Pennsylvania...

* Until 730 PM EDT.

* At 620 PM EDT, severe thunderstorms were located along a line
  extending from near Honey Brook to near Kennett Square to near
  Cecilton, moving northeast at 55 mph.

  HAZARD...70 mph wind gusts and nickel size hail.

  SOURCE...Emergency management.

  IMPACT...Expect considerable tree damage. Damage is likely to
           mobile homes, roofs, and outbuildings.

* Locations impacted include...
  Philadelphia, Trenton, Camden, Wilmington, Newark, Middletown, West
  Chester, Gloucester City, Cherry Hill, Bensalem, Evesham, Mount
  Laurel, Ewing, Norristown, Chester, Willingboro, Deptford,
  Voorhees, Medford and Pottstown.

This includes the following highways...
 New Jersey Turnpike between exits 1 and 8.
 Pennsylvania Turnpike between mile markers 296 and 359.
 Northeast Extension between mile markers 21 and 39.
 Interstate 95 in Pennsylvania between mile markers 0 and 40.
 Interstate 95 in Delaware between mile markers 2 and 23.
 Interstate 76 in Pennsylvania between mile markers 327 and 351.
 Interstate 76 in New Jersey between mile markers 0 and 3.
 Interstate 195 in New Jersey between mile markers 0 and 7.
 Interstate 295 in New Jersey between mile markers 0 and 76.
 Interstate 676 in Pennsylvania between mile markers 0 and 1.
 Interstate 676 in New Jersey between mile markers 0 and 4.
 Interstate 476 in Pennsylvania between mile markers 0 and 19.
 Interstate 176 in Pennsylvania between mile markers 1 and 3.
 Atlantic City Expressway between mile markers 32 and 44.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1100 PM EDT for northern
Delaware...northeastern Maryland...southern, central, northern and
northwestern New Jersey...and eastern and southeastern Pennsylvania.

For your protection move to an interior room on the lowest floor of a
building.

This is a DANGEROUS SITUATION. These storms are producing widespread
wind damage across Chester County. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows! This is an EXTREMELY DANGEROUS
SITUATION. These storms are producing widespread wind damage across
Chester County. SEEK SHELTER NOW inside a sturdy structure and stay
away from windows!

A Tornado Watch remains in effect until 1100 PM EDT for northern
Delaware...northeastern Maryland...southern, central, northern and
northwestern New Jersey...and eastern and southeastern Pennsylvania.

&&

LAT...LON 4057 7482 4052 7477 4052 7479 4038 7473
      4039 7464 4033 7462 4024 7449 4018 7461
      4009 7456 3973 7473 3968 7479 3934 7590
      3937 7588 3939 7577 3961 7578 3985 7568
      4009 7594 4014 7588 4019 7595
TIME...MOT...LOC 2220Z 247DEG 47KT 4012 7591 3987 7564 3943 7583

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...OBSERVED
MAX WIND GUST...70 MPH

$$

RCM

 

kdix_20230807_2221_BR_0.41.png

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