SEVERE THUNDERSTORM WARNING NOW, watch until 5:00 pm, Wind advisory and thunderstorm possible Tues April 21

Tuesday April 21

A line of thunderstorms is expected to move through the area this afternoon between 2 and 5. The storms will bring a heavy 20 mph breeze with the possibility of gusts in the 40 - 50 mph range. The NWS has issued a Wind Advisory that runs from 5:00 pm until 2:00 am but there is some indication in the models this morning that the line of storms may arrive in our area as early as 2:00 pm, bringing heavy rain and gusting winds.

After the storms move through there will still be a chance of gusty wind for a few hours. The highest win would be in the storms, though.

There is also a frost warning for tonight, so if you have started putting out your house plants, get them in this morning before the weather arrives.

Below is an image from the High Resolution NAM model this morning showing the line of storms at 2:00 pm extending from Norfolk Va to Greenwich Cn.Wind Advisory


From the NWS:

URGENT - WEATHER MESSAGE National Weather Service New York NY 541 AM EDT Tue Apr 21 2020

Northern Fairfield-Northern New Haven-Southern Fairfield- Southern New Haven-Western Passaic-Eastern Passaic-Western Bergen- Eastern Bergen-Western Essex-Western Union-Orange-Putnam-Rockland- Northern Westchester-Southern Westchester-Northwestern Suffolk- Southwestern Suffolk-

541 AM EDT Tue Apr 21 2020 ...WIND ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 2 AM EDT WEDNESDAY...

...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT WEDNESDAY...

* WHAT...For the Wind Advisory, northwest winds 10 to 20 mph with gusts up to 50 mph expected. For the Freeze Warning, sub- freezing temperatures as low as 26 expected.

* WHERE...Portions of northeast New Jersey, southern Connecticut and southeast New York.

* WHEN...For the Wind Advisory, from 5 PM this afternoon to 2 AM EDT Wednesday. For the Freeze Warning, from midnight tonight to 9 AM EDT Wednesday.

* IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing.


Bump.

Thunderstorm in Mahwah now


The NWS has issued a SEVERE THUNDERSTORM WATCH for our area until 5:00 pm.

A severe thunderstorm watch means that conditions exist that are favorable to the formation of severe storms. Pay attention to your phone or other accurate media sources for later possible warnings.

A line of thunderstorms is approaching our area from the west, currently on a line from Baltimore northeast to Poughkeepsie. Some of these storms may develop gusty winds or small hail. There may be heavy rain during a particular storm.

ETA for this line of storms is 2:30 - 3:30 pm.

From the NWS:
Severe Thunderstorm Watch

SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 128 NWS STORM PREDICTION CENTER NORMAN OK
125 PM EDT TUE APR 21 2020

SEVERE THUNDERSTORM WATCH 128 IS IN EFFECT UNTIL 500 PM EDT FOR THE FOLLOWING LOCATIONS

. NEW JERSEY COUNTIES INCLUDED ARE

ATLANTIC BERGEN BURLINGTON
CAMDEN CAPE MAY CUMBERLAND
ESSEX GLOUCESTER HUDSON
HUNTERDON MERCER MIDDLESEX
MONMOUTH MORRIS OCEAN
PASSAIC SALEM SOMERSET
UNION


Severe thunderstorm watch for Maplewood. May get some gusty winds with these "thunderstorms", if you want to call them that.

Edit: Max beat me to it.


SEVERE THUNDERSTORM *WARNING* NOW IN EFFECT

Severe Thunderstorm Warning

Severe Thunderstorm Warning
NJC003-013-017-031-039-211830-
/O.NEW.KOKX.SV.W.0005.200421T1756Z-200421T1830Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service New York NY
156 PM EDT Tue Apr 21 2020

The National Weather Service in Upton NY has issued a

* Severe Thunderstorm Warning for...
Hudson County in northeastern New Jersey...
Eastern Passaic County in northeastern New Jersey...
Union County in northeastern New Jersey...
South central Bergen County in northeastern New Jersey...
Essex County in northeastern New Jersey...

* Until 230 PM EDT.

* At 154 PM EDT, severe thunderstorms were located along a line
extending from near Pompton Lakes to near Skillman, moving east at
35 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.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Large hail and damaging winds and continuous cloud to ground
lightning is occurring with these storms. Move indoors immediately.
Lightning is one of nature`s leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.

&&

LAT...LON 4061 7431 4060 7446 4062 7442 4066 7440
4067 7440 4065 7445 4067 7446 4076 7436
4076 7438 4079 7437 4082 7433 4086 7432
4087 7434 4091 7433 4091 7429 4089 7428
4091 7427 4087 7403 4060 7424 4059 7429
TIME...MOT...LOC 1754Z 283DEG 31KT 4104 7429 4046 7472

HAIL...1.00IN
WIND...60MPH


That said, looks like the worst is going around us to the north and south.  These are geographically small cells.


These are basically just some gusty showers. Pretty shocked they warned these.


WxNut2.0 said:

These are basically just some gusty showers. Pretty shocked they warned these.

 I jumped out of my damn skin when the siren went off on the radio -- totally not expecting it.  Wrote a post based on the warning and then looked at the radar and went, "huh?"

The Mt. Holly radar is off line for servicing.  Do you think they are just being super cautious in the blind spot?


We are getting it here tight now on the Eastern Shore of Maryland.
Crazy rain and a lot of thunder.  Winds just starting to kick up.


max_weisenfeld said:

WxNut2.0 said:

These are basically just some gusty showers. Pretty shocked they warned these.

 I jumped out of my damn skin when the siren went off on the radio -- totally not expecting it.  Wrote a post based on the warning and then looked at the radar and went, "huh?"

The Mt. Holly radar is off line for servicing.  Do you think they are just being super cautious in the blind spot?

 Nah, these are close enough to the radar out on LI and the TDWRs at the airports to know whats actually happening. I think they're probably warning them because the wind fields aloft are pretty strong and some of that could mix down. There was a gust of 71 in the Bronx within the storm that is now tornado warned. 


Actually a pretty strong tornado vortex signature over Long Island Sound. Likely a pretty decent one.


And now the sun is shining and it is beautiful outside.




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