Alert archive / New York / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 82, NWS New York, NY

November 13, 2021Orange County, New York; Passaic County, New Jersey

NWS New York, NY issued this severe thunderstorm warning at Nov 13, 2021, 1:02 PM EST for Orange County, New York; Passaic County, New Jersey. It was in force for 47 min. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Nov 13, 2021, 1:02 PM EST (18:02 UTC)
Expired
Nov 13, 2021, 1:49 PM EST
In force
47 min
Issued by
NWS New York, NY
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Passaic County, NJ, Orange County, NY

The radar

The Brookhaven radar (KOKX), 129 km from the middle of the area, began a volume at 18:03 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Nov 13, 1:15 PM ESTHAIL 1Bloomingdale, NJ
Nov 13, 1:19 PM ESTHAIL 1Butler, NJ
Nov 13, 1:22 PM ESTHAIL 0.75Butler, NJ

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Nov 13, 12:27 PM ESTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 6.0 hours before the alert went out and 129 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Brookhaven, NY at 12:00Z on 2021-11-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 12:00Z on 2021-11-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 square meters per square second.1939587897117136Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1435 m above ground
0-6 km bulk shear
82 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
34 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

393 
WUUS51 KOKX 131802
SVROKX
NJC031-NYC071-131900-
/O.NEW.KOKX.SV.W.0082.211113T1802Z-211113T1900Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service New York NY
102 PM EST Sat Nov 13 2021

The National Weather Service in Upton NY has issued a

* Severe Thunderstorm Warning for...
  Passaic County in northeastern New Jersey...
  Central Orange County in southeastern New York...

* Until 200 PM EST.

* At 101 PM EST, a severe thunderstorm was located near Lake
  Telemark, or 11 miles southwest of West Milford, moving northeast
  at 40 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.

* Locations impacted include...
  Middletown, West Milford, Ringwood, Pompton Lakes, Monroe, Warwick,
  Goshen, Howells, Bloomingdale, Chester, Greenwood Lake, Florida,
  Harriman, Upper Greenwood Lake and Kiryas Joel.

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.

Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. 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 4152 7445 4140 7402 4121 7414 4115 7423
      4113 7421 4102 7427 4101 7427 4099 7430
      4100 7435 4101 7435 4101 7439 4103 7442
      4102 7443 4104 7443 4105 7445 4104 7450
      4107 7449 4109 7450 4120 7437 4129 7455
TIME...MOT...LOC 1801Z 204DEG 33KT 4100 7455 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

JC
1 follow-up statement
332 
WWUS51 KOKX 131849
SVSOKX

Severe Weather Statement
National Weather Service New York NY
149 PM EST Sat Nov 13 2021

NJC031-NYC071-131859-
/O.CAN.KOKX.SV.W.0082.000000T0000Z-211113T1900Z/
Passaic NJ-Orange NY-
149 PM EST Sat Nov 13 2021

...THE SEVERE THUNDERSTORM WARNING FOR PASSAIC AND CENTRAL ORANGE
COUNTIES IS CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 700 PM EST for
northeastern New Jersey...and southeastern New York.

LAT...LON 4152 7445 4140 7402 4121 7414 4115 7423
      4113 7421 4102 7427 4101 7427 4099 7430
      4100 7435 4101 7435 4101 7439 4103 7442
      4102 7443 4104 7443 4105 7445 4104 7450
      4107 7449 4109 7450 4120 7437 4129 7455
TIME...MOT...LOC 1846Z 204DEG 33KT 4141 7431 

$$

JC

The office that day

Everything else NWS New York, NY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 13, 12:47 PM ESTSpecial Weather StatementOKXOrange88 min
Nov 13, 1:26 PM ESTSevere Thunderstorm WarningOKXOrange, Putnam, Rockland, Westchester49 min
Nov 13, 1:48 PM ESTSevere Thunderstorm WarningOKXBronx, Kings, New York, Queens, Richmond42 min
Nov 13, 1:54 PM ESTSpecial Marine WarningOKX96 min
Nov 13, 2:11 PM ESTSpecial Weather StatementOKXPutnam49 min
Nov 13, 2:22 PM ESTSevere Thunderstorm WarningOKXKings, Nassau, Queens38 min
Nov 13, 2:47 PM ESTSpecial Marine WarningOKX58 min
Nov 13, 2:53 PM ESTTornado WarningOKXNassau, Suffolk37 min
Nov 13, 2:59 PM ESTSpecial Marine WarningOKX61 min
Nov 13, 3:18 PM ESTSpecial Weather StatementOKXSuffolk57 min
Nov 13, 3:20 PM ESTTornado WarningOKXSuffolk25 min
Nov 13, 3:36 PM ESTSpecial Marine WarningOKX54 min
Nov 13, 3:40 PM ESTTornado WarningOKXSuffolk24 min
Nov 13, 3:54 PM ESTSpecial Marine WarningOKX66 min
Nov 13, 3:57 PM ESTTornado WarningOKXSuffolk18 min
Nov 13, 4:07 PM ESTTornado WarningOKXSuffolk23 min
Nov 13, 4:11 PM ESTSpecial Marine WarningOKX47 min
Nov 13, 4:18 PM ESTSevere Thunderstorm WarningOKXSuffolk27 min
Nov 13, 4:30 PM ESTSevere Thunderstorm WarningOKXSuffolk30 min

Nearby

Severe Thunderstorm Warnings in New York, 2021Severe Thunderstorm Warnings in New Jersey, 2021Every severe thunderstorm warning in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.