All watches and warnings have ended. Wed, 5/29/19

max_weisenfeld

Severe Thunderstorm Warning

Severe Thunderstorm Warning
NJC013-017-039-NYC047-061-085-290145-
/O.NEW.KOKX.SV.W.0009.190529T0048Z-190529T0145Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service New York NY
848 PM EDT Tue May 28 2019
The National Weather Service in Upton NY has issued a
* Severe Thunderstorm Warning for...  Hudson County in northeastern New Jersey...  Central Union County in northeastern New Jersey...  Essex County in northeastern New Jersey...  Richmond County in southeastern New York...  Kings County in southeastern New York...  New York (Manhattan) County in southeastern New York...
* Until 945 PM EDT.
* At 848 PM EDT, a severe thunderstorm was located over Morris  Plains, or near Morristown, moving southeast at 30 mph.
  HAZARD...60 mph wind gusts and quarter size hail.
  SOURCE...Radar indicated.
  IMPACT...Minor hail damage to vehicles is possible. Expect wind           damage to trees and power lines.
* This severe thunderstorm will be near...  Summit around 905 PM EDT.  Millburn around 910 PM EDT.  Orange and Union around 915 PM EDT.  Newark and Elizabeth around 925 PM EDT.  Kearny around 930 PM EDT.  Jersey City and Bayonne around 935 PM EDT.  East Village and SoHo around 940 PM EDT.  The Verrazano Narrows Bridge and Bay Ridge around 945 PM EDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare immediately for large hail and damaging winds. People outside
should move immediately to shelter inside a strong building. Stay
away from windows.

max_weisenfeld

There is a tornado warning just to our west, covering Morristown, Madison, and Florham Park.


guy

which direction would a tornado be heading?


marylago

Wow! Thanks, Max. 


Jamie

wow what should we do?  Basement?  @sbenois 


sportsnut

Storm just rolled through here in Whippany about 10 minutes ago.  Was scary for a bit and we got a bit of small hail but the worst seems to be over for now.

Stay safe.


shoshannah

What are we supposed to do?


max_weisenfeld

The storm is over West Orange and Bloomfield moving from the west.


elsie

Basement, away from windows.


metaphysician

I’m opening all the windows a bit, to equalize the air pressure. It also makes it easier to hear the ‘freight train’ roar,  if a tornado comes this way. 


max_weisenfeld

Warning officially ends at 9:30


Eric

Is the next round coming to us?  Channel 4 just said this one has a potential for a tornado also.  Looks a little to our south, but pretty dam close from what I saw on the radar.


KevinF

Just got a 2nd alert on my iPhone, another warning until 10:15



sbenois

I drove out to Union to see if I can see anything.  HEAVY RAIN here right now.




Go to a basement or interior framed room.





sbenois

Major flooding by Stuyvesant in Union.


max_weisenfeld

All warnings have expired.  There is a flood advisory until 12:15am.  Good night.


angelak

Thank you very much, Max! I really appreciated this.


Veronica

Hope that you all got just a big scare tonight and that no one is hurt.


drummerboy

Tornado warnings suck.


max_weisenfeld

Today, Wednesday 5/29, we can again expect a thunderstorm or two in the afternoon.  Like yesterday, these storms could be severe and carry a risk of hail and high winds and a slight risk of a tornado.  As yesterday, the risk is higher just to our south, in Union County.

These storms, yesterday and today, are the remnants of the very severe storms that hit the midwest earlier this week.

On the maps below, the first map shows the risk of severe thunderstorms this afternoon, the second the risk of a tornado.  Note that for MAPSO the tornado risk is 2%, rising to 5% for Union.  Also note that the line for enhanced risk on the thunderstorm map runs just south of us, roughly along rt. 78.


sprout

Any sense of timing with school dismissal / rush hour? Thanks!


max_weisenfeld

The forecast for early evening today Wed 5/29 looks a lot like the forecast was for last night. There is a tornado watch that extends across PA and runs just south and west of the MAPSO area, just like last night. The models are showing significant activity, this time in a line of storms that should extend from Greenwich Conn to Philadelphia sometime between 5:30 and 8:00pm.

The image posted below is from a model called the HRRR -- this is a short-range (in time) model that runs every hour (the more general models run every 6 or 12) specifically designed for spotting this type of more local weather. The model run initiated at 3:00 this afternoon and is showing strong storms passing over our entire area at 7:00pm tonight.

In another post a little later this afternoon, I will explain a bit about the various types of watches and warnings and what they mean, but the bottom line is a tornado warning means that a tornado is immanent. When you hear a tornado warning, get to shelter, away from doors and windows. Last night there was a tornado in Sussex County, That is 30 miles as the cloud flies from MAPSO. A tornado can cover that distance in 15 minutes.


max_weisenfeld

Current Radar. Storms in a line from Harrisburg to West Milford right now, coming our way.


lukeysboat

shoot - my mother is with my son in Florham park until 6:30, then home to maplewood... should I have them leave early?



max_weisenfeld

So far the worst of it (that is, the tornado-y part) seems to be heading south of us. There is a warning just west of Philly right now. Fingers crossed.

The warning is the red box on the radar.


max_weisenfeld
lukeysboat said:
shoot - my mother is with my son in Florham park until 6:30, then home to maplewood... should I have them leave early?


 How is she driving in the rain in the rain?  The first line of storms is coming over Morris County already, so if she leaves now she would be right in front of it, more or less.


lukeysboat

Ok, I was more worried about tornadoes, though heavy rain is no good either... thanks - I will let her know....

And thank you for all your forecasting!


max_weisenfeld

Flood Advisory from the NWS for our area:

Flood Advisory


520 PM EDT Wed May 29 2019


The National Weather Service in Upton NY has issued a


* Urban and Small Stream Flood Advisory for...

Hudson County in northeastern New Jersey...

Passaic County in northeastern New Jersey...

Union County in northeastern New Jersey...

Bergen County in northeastern New Jersey...

// Essex County in northeastern New Jersey...//

Southern Westchester County in southeastern New York...

Southeastern Orange County in southeastern New York...

Kings County in southeastern New York...

Rockland County in southeastern New York...


* Until 815 PM EDT.


* At 517 PM EDT, Doppler radar indicated thunderstorms producing torrential rainfall. This will cause urban and small stream

flooding in the advisory area as the rain continues or moves into

the area from the west.


* Some locations that will experience flooding include...

Newark, Jersey City, Paterson, Elizabeth, Passaic, Bayonne, Wayne, Hoboken, Plainfield, Bloomfield, Hackensack, Linden, New City, Orange and Bergenfield.


max_weisenfeld

I am feeling pretty good that this is what we are going to get -- some thunder and lightning, some downpours possible, but it is unlikely we will see anything like last night here at this point. The main body of the storm is well south of us, with lots of lightning and wind in the Philly/Trenton area and east and north to the northern Jersey shore. That will continue much later than we will here, our rain will start tapering off around 7:00 although showers will linger for several hours after that.



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