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Post-Tropical Ida (Cat 4 hurricane @ Landfall @12:55pm EDT, 40 mph, 998 mb, 28 mph NE) - possible area flood impact, tornadoes, and severe weather

Hurricane Agnes

By Hurricane Agnes,
in Philadelphia Region

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SmokeEater
SmokeEater

Guys I can't even state how strong this tornado was, best pics I could get without dying... Tons of structure damage and people trapped. Sent from my SM-G973U using Tapatalk

Newman
Newman

I chased Mullica Hill with 4 other friends guys. Un-*******-believable damage. I've never seen anything like this in my life. At least an EF4. Saw the wall cloud and strong rotation, but we were in an

The Iceman
The Iceman

I will happily admit I was wrong on the heavy rain threat for i-95. The NAM/Euro/GFS all suck donkey dick 

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ChescoWx

ChescoWx

Posted
Posted

Up to 3.10" in East Nantmeal on the VP2 station and 3.03" on the Tempest so nice agreement on the automated stations - that said suspect more than that in the manual rain gauge in NW Chesco. Down here at the shore we had some sun and much warmer with temps in the low 80's while East Nantmeal stayed in the chilly 60's all day

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MattPetrulli

MattPetrulli

Posted
Posted

...TORNADO EMERGENCY FOR Bristol Croydon and Burlington...

The National Weather Service in Mount Holly NJ has issued a

* Tornado Warning for...
  Central Mercer County in central New Jersey...
  Northwestern Burlington County in southern New Jersey...
  Southeastern Bucks County in southeastern Pennsylvania...

* Until 730 PM EDT.
    
* At 702 PM EDT, a confirmed large and destructive tornado was
  observed over Beverly, or 12 miles southwest of Trenton, moving
  northeast at 40 mph.

  TORNADO EMERGENCY for Bristol Croydon and Burlington. This is a 0 
PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

  HAZARD...Deadly tornado.

  SOURCE...Radar confirmed tornado.

  IMPACT...You are in a life-threatening situation. Flying debris 
           may be deadly to those caught without shelter. Mobile 
           homes will be destroyed. Considerable damage to homes, 
           businesses, and vehicles is likely and complete 
           destruction is possible.

* Locations impacted include...
  Trenton, Bensalem, Ewing, Willingboro, Florence, Burlington,
  Bristol, Bordentown, Pennington, Beverly, Yardley, Tullytown,
  Langhorne, Washington Crossing, Windsor, Florence-Roebling,
  Woodside, Edinburg, White Horse and Andalusia.

This includes the following highways...
 New Jersey Turnpike between exits 6 and 6A.
 Pennsylvania Turnpike between mile markers 353 and 359.
 Interstate 95 in Pennsylvania between mile markers 34 and 40.
 Interstate 195 in New Jersey between mile markers 0 and 5.
 Interstate 295 in New Jersey between mile markers 57 and 76.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a large, extremely dangerous and potentially deadly
tornado has been confirmed. To protect your life, TAKE COVER NOW!
Move to an interior room on the lowest floor of a sturdy building.
Avoid windows. If in a mobile home, a vehicle or outdoors, move to
the closest substantial shelter and protect yourself from flying
debris.
 

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Hurricane Agnes

Hurricane Agnes

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WPC 5 pm update (winds have picked up, system has deepened a bit, but still moving at 25 mph ENE) -

Quote 
000
WTNT34 KWNH 012035
TCPAT4

BULLETIN
Post-Tropical Cyclone Ida Advisory Number  27
NWS Weather Prediction Center College Park MD   AL092021
500 PM EDT Wed Sep 01 2021

...POST-TROPICAL CYCLONE IDA BRINGING WIDESPREAD HEAVY RAIN AND
AREAS OF LIFE THREATENING FLASH FLOODING ALONG AND NEAR TRACK...
...AN ENHANCED RISK FOR TORNADOES ACROSS THE NORTHERN MID-ATLANTIC
AND FAR SOUTHERN NEW ENGLAND THROUGH THIS EVENING...


SUMMARY OF 500 PM EDT...2100 UTC...INFORMATION
----------------------------------------------
LOCATION...39.7N 77.0W
ABOUT 35 MI...60 KM E OF HAGERSTOWN MARYLAND
ABOUT 35 MI...55 KM S OF HARRISBURG PENNSYLVANIA
MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H
PRESENT MOVEMENT...ENE OR 65 DEGREES AT 25 MPH...41 KM/H
MINIMUM CENTRAL PRESSURE...999 MB...29.50 INCHES


WATCHES AND WARNINGS
--------------------
Flood and Flash Flood Watches are in effect for portions of the
central Appalachians, Mid-Atlantic, and into southern New York
and New England.

Tornado Watches are in effect for much of the Mid-Atlantic,
including portions of Delaware, Maryland, New Jersey, southeastern
Pennsylvania, Washington D.C., Virginia, and far northeastern North
Carolina.


DISCUSSION AND OUTLOOK
----------------------
At 500 PM EDT (2100 UTC), the center of Post-Tropical Cyclone Ida
was located near latitude 39.7 North, longitude 77.0 West. The
post-tropical cyclone is moving toward the east-northeast near 25
mph (41 km/h) and this motion is expected to continue. 

Maximum sustained winds are near 35 mph (55 km/h) with higher gusts.
Little change in strength is forecast during the next 36 hours. 

The estimated minimum central pressure is 999 mb (29.50 inches).


HAZARDS AFFECTING LAND
----------------------
RAINFALL: Post-Tropical Cyclone Ida will produce the following
rainfall totals:

Mid Atlantic to Southern New England: 3 to 8 inches with isolated
higher amounts through Thursday.

Significant and life-threatening flash flooding is likely from the
Mid-Atlantic into southern New England, especially across highly
urbanized metropolitan areas and areas of steep terrain. Widespread
moderate and major river flooding impacts are forecast from eastern
West Virginia and western Maryland into southern Pennsylvania and
New Jersey, particularly in the Monongahela, Potomac, Susquehanna,
Delaware, lower Hudson and Coastal Connecticut river basins.

Widespread minor to isolated major river flooding is occurring or
forecast from the Lower Mississippi Valley into far western Alabama
and northeast Georgia. Some rivers will remain elevated into next
week.

For the latest rainfall reports and wind gusts associated with
Post-Tropical Cyclone Ida, see the companion storm summary at
WBCSCCNS4 with the WMO header of ACUS44 KWBC or at the following
link:

www.wpc.ncep.noaa.gov/discussions/nfdscc4.html

TORNADOES: A few tornadoes are likely across portions of the
northern Mid-Atlantic into far southern New England through this
evening.


NEXT ADVISORY
-------------
Next complete advisory at 1100 PM EDT.

$$
Forecaster Churchill

FORECAST POSITIONS AND MAX WINDS

INIT  01/2100Z 39.7N  77.0W   30 KT  35 MPH...POST-TROP/EXTRATROP
 12H  02/0600Z 41.2N  72.9W   35 KT  40 MPH...POST-TROP/EXTRATROP
 24H  02/1800Z 44.2N  67.0W   35 KT  40 MPH...POST-TROP/EXTRATROP
 36H  03/0600Z 46.5N  62.9W   35 KT  40 MPH...POST-TROP/EXTRATROP

 

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