Alert archive / New Jersey / Special Weather Statements in 2021

Special Weather Statement, NWS New York, NY

August 11, 2021Bergen County, Essex County, Passaic County, New Jersey

NWS New York, NY issued this special weather statement at Aug 11, 2021, 7:21 PM EDT for Bergen County, Essex County, Passaic County, New Jersey. It was in force for 39 min. 2 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: Aug 11, 2021, 7:21 PM EDT (23:21 UTC)
Expired: Aug 11, 2021, 8:00 PM EDT
In force: 39 min
Issued by: NWS New York, NY
Hail: 0.00 in
Wind: 40

Counties Bergen County, NJ, Essex County, NJ, Passaic County, NJ

The radar

The Philadelphia radar (KDIX), 109 km from the middle of the area, began a volume at 23:23 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

Time	Report	Where	Remark
Aug 11, 8:02 PM EDT	TSTM WND DMG	1 Ne West Paterson, NJ	CORRECTS PREVIOUS NON-TSTM WND DMG REPORT FROM 1 NE WEST PATERSON. SHERIFF REPORTS DAMAGE TO COUNTY FAIR TENTS IN GARRETT MOUNTAIN.
Aug 11, 8:02 PM EDT	NON-TSTM WND DMG	1 Ne West Paterson, NJ	SHERIFF REPORTS DAMAGE TO COUNTY FAIR TENTS IN GARRETT MOUNTAIN.

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

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 11.4 hours before the alert went out and 123 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 977 J/kg
Mixed-layer CIN: -44 J/kg
Mixed-layer LCL: 711 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 29 m²/s²
0-3 km storm-relative helicity: 18 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

512 
WWUS81 KOKX 112321
SPSOKX

Special Weather Statement
National Weather Service New York NY
721 PM EDT Wed Aug 11 2021
 
NJZ002-004-006-103>107-120000-
Hudson NJ-Eastern Essex NJ-Western Bergen NJ-Western Passaic NJ-
Western Union NJ-Western Essex NJ-Eastern Bergen NJ-
Eastern Passaic NJ-
721 PM EDT Wed Aug 11 2021

...Strong thunderstorms will impact portions of Hudson, Passaic,
central Bergen and Essex Counties through 800 PM EDT...

At 721 PM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Green Pond to near Caldwell. Movement was
east at 25 mph.

HAZARD...Winds in excess of 40 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects.

Locations impacted include...
Paterson, Passaic, Wayne, Bloomfield, Hackensack, Orange, Paramus,
Ridgewood, Summit, Lyndhurst, Millburn, Rutherford, Secaucus, Ramsey
and Harrison.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

Torrential rainfall is also occurring with these storms and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 4109 7450 4113 7421 4110 7413 4080 7398
      4075 7402 4070 7438 4073 7439 4076 7436
      4076 7438 4079 7437 4086 7432 4090 7434
      4090 7427 4093 7429 4097 7428 4100 7430
      4103 7442 4102 7443 4105 7445 4104 7450
TIME...MOT...LOC 2321Z 263DEG 22KT 4106 7448 4081 7429 

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

$$

FEB

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 11, 3:55 PM EDT	Special Weather Statement	OKX	Orange	50 min
Aug 11, 4:13 PM EDT	Severe Thunderstorm Warning	OKX	Orange	47 min
Aug 11, 4:15 PM EDT	Severe Thunderstorm Warning	OKX	Orange, Putnam	45 min
Aug 11, 4:20 PM EDT	Special Weather Statement	OKX	Orange	40 min
Aug 11, 4:45 PM EDT	Excessive Heat Watch	OKX	Bronx, Kings, Nassau, New York, Orange, Putnam and 5 more	23 hr
Aug 11, 5:10 PM EDT	Severe Thunderstorm Warning	OKX	Orange	50 min
Aug 11, 5:51 PM EDT	Severe Thunderstorm Warning	OKX	Orange, Putnam	39 min
Aug 11, 6:01 PM EDT	Special Weather Statement	OKX	Orange	29 min
Aug 11, 6:30 PM EDT	Special Weather Statement	OKX	Putnam	30 min
Aug 11, 7:58 PM EDT	Special Weather Statement	OKX	Rockland, Westchester	32 min
Aug 11, 7:28 PM EDT	Areal Flood Advisory	OKX	Bergen, Essex, Hudson, Passaic	2 hr
Aug 11, 7:46 PM EDT	Severe Thunderstorm Warning	OKX	Bergen, Essex, Hudson, Passaic	44 min
Aug 11, 5:22 PM EDT	Special Weather Statement	OKX		38 min

Nearby

Special Weather Statements in New Jersey, 2021 Every special weather statement 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.