Alert archive / New York / Special Weather Statements in 2021
Special Weather Statement, NWS New York, NY
NWS New York, NY issued this special weather statement at Aug 19, 2021, 3:21 AM EDT for Rockland County, New York. It was in force for 24 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 19, 2021, 3:21 AM EDT (07:21 UTC)
- Expired
- Aug 19, 2021, 3:45 AM EDT
- In force
- 24 min
- Issued by
- NWS New York, NY
- Hail
- 0.00 in
- Wind
- 40
County Rockland County, NY
The radar
The Brookhaven radar (KOKX), 118 km from the middle of the area, began a volume at 07:22 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 00:00Z, 7.4 hours before the alert went out and 118 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.
- Mixed-layer CAPE
- 491 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 580 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 62 m²/s²
- 0-3 km storm-relative helicity
- 103 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
561
WWUS81 KOKX 190721
SPSOKX
Special Weather Statement
National Weather Service New York NY
321 AM EDT Thu Aug 19 2021
NJZ002-103-NYZ067-069-190745-
Western Bergen NJ-Western Passaic NJ-Rockland NY-Orange NY-
321 AM EDT Thu Aug 19 2021
...A strong thunderstorm will impact portions of central Passaic,
southeastern Orange and Rockland Counties through 345 AM EDT...
At 320 AM EDT, Doppler radar was tracking a strong thunderstorm over
Ringwood, moving northeast at 45 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...
Ringwood, Monroe, Sloatsburg, Harriman, Oakland, Wanaque, Hillburn
and Tuxedo Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4102 7425 4106 7435 4134 7424 4127 7402
TIME...MOT...LOC 0720Z 206DEG 37KT 4110 7428
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH
$$
METThe office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 19, 3:30 AM EDT | Areal Flood Advisory | OKX | Rockland | 2 hr |
| Aug 19, 3:48 AM EDT | Tornado Warning | OKX | Orange, Rockland, Westchester | 27 min |
| Aug 19, 4:17 AM EDT | Tornado Warning | OKX | Rockland, Westchester | 28 min |
| Aug 19, 4:44 AM EDT | Tornado Warning | OKX | Putnam, Rockland, Westchester | 31 min |
| Aug 19, 3:00 PM EDT | Small Craft Advisory | OKX | 14 hr | |
| Aug 19, 2:43 AM EDT | Special Weather Statement | OKX | Passaic | 32 min |
| Aug 19, 2:53 AM EDT | Tornado Warning | OKX | Passaic | 23 min |
| Aug 19, 7:26 AM EDT | Areal Flood Advisory | OKX | Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region | 2 hr |
Nearby
Special Weather Statements in New York, 2021Every 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.