Alert archive / New Jersey / Special Weather Statements in 2021

Special Weather Statement, NWS New York, NY

August 27, 2021Essex County, New Jersey

NWS New York, NY issued this special weather statement at Aug 27, 2021, 4:21 PM EDT for Essex County, New Jersey. It was in force for 54 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Aug 27, 2021, 4:21 PM EDT (20:21 UTC)
Expired: Aug 27, 2021, 5:15 PM EDT
In force: 54 min
Issued by: NWS New York, NY
Hail: 0.25 in
Wind: 40

County Essex County, NJ

The radar

The Philadelphia radar (KDIX), 98 km from the middle of the area, began a volume at 20:24 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.

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 8.4 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: 1159 J/kg
Mixed-layer CIN: -60 J/kg
Mixed-layer LCL: 1043 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 19 m²/s²
0-3 km storm-relative helicity: 22 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

378 
WWUS81 KOKX 272021
SPSOKX

Special Weather Statement
National Weather Service New York NY
421 PM EDT Fri Aug 27 2021
 
NJZ105-272115-
Western Essex NJ-
421 PM EDT Fri Aug 27 2021

...A strong thunderstorm will impact portions of northwestern Essex
County through 515 PM EDT...

At 421 PM EDT, Doppler radar was tracking a strong thunderstorm over 
East Hanover, or near Caldwell. This storm was moving slowly 
to the southwest, around 5 mph.

HAZARD...Winds in excess of 40 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects. Minor damage to outdoor objects is 
         possible.

Locations impacted include...
Livingston and Roseland. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

&&

LAT...LON 4081 7435 4082 7433 4085 7433 4085 7432
      4087 7433 4086 7432 4081 7425 4077 7432
TIME...MOT...LOC 2021Z 325DEG 4KT 4085 7434 

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

$$

MET

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 27, 3:31 PM EDT	Special Weather Statement	OKX	New York, Queens	44 min
Aug 27, 3:38 PM EDT	Small Craft Advisory	OKX		42 hr
Aug 27, 3:40 PM EDT	Areal Flood Advisory	OKX	Kings, New York, Queens, Richmond	3 hr
Aug 27, 3:58 PM EDT	Flash Flood Warning	OKX	Kings, Richmond	2 hr
Aug 27, 4:02 PM EDT	Special Marine Warning	OKX		118 min
Aug 27, 4:16 PM EDT	Special Weather Statement	OKX	Kings	44 min
Aug 27, 4:29 PM EDT	Areal Flood Advisory	OKX	Bronx, New York	17 min
Aug 27, 4:46 PM EDT	Flash Flood Warning	OKX	Bronx, New York, Queens	89 min
Aug 27, 4:50 PM EDT	Special Weather Statement	OKX	Richmond	55 min
Aug 27, 4:56 PM EDT	Areal Flood Advisory	OKX	Richmond	94 min
Aug 27, 5:00 PM EDT	Special Weather Statement	OKX	New York	60 min
Aug 27, 5:09 PM EDT	Special Weather Statement	OKX	Bronx	66 min
Aug 27, 5:11 PM EDT	Special Weather Statement	OKX	Richmond	49 min
Aug 27, 5:41 PM EDT	Flash Flood Warning	OKX	Richmond	2 hr
Aug 27, 3:08 PM EDT	Special Weather Statement	OKX		52 min
Aug 27, 4:37 PM EDT	Special Weather Statement	OKX		38 min
Aug 27, 7:04 PM EDT	Special Weather Statement	OKX		26 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.