Alert archive / New York / Special Weather Statements in 2021

Special Weather Statement, NWS Albany, NY

September 28, 2021Dutchess County, New York

NWS Albany, NY issued this special weather statement at Sep 28, 2021, 12:21 PM EDT for Dutchess County, New York. 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
Sep 28, 2021, 12:21 PM EDT (16:21 UTC)
Expired
Sep 28, 2021, 1:15 PM EDT
In force
54 min
Issued by
NWS Albany, NY
Hail
0.00 in
Wind
30

County Dutchess County, NY

The radar

The Brookhaven radar (KOKX), 103 km from the middle of the area, began a volume at 16:21 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, 4.4 hours before the alert went out and 103 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 2021-09-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 116 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 12:00Z on 2021-09-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 38 square meters per square second.193958Sfc1 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
116 J/kg
Mixed-layer CIN
-338 J/kg
Mixed-layer LCL
1298 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
38 m²/s²
0-3 km storm-relative helicity
118 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted.

298 
WWUS81 KALY 281621
SPSALY

Special Weather Statement
National Weather Service Albany NY
1221 PM EDT Tue Sep 28 2021
 
CTZ001-013-MAZ025-NYZ060-061-064>066-281715-
Southern Litchfield CT-Northern Litchfield CT-Southern Berkshire MA-
Eastern Dutchess NY-Eastern Columbia NY-Western Columbia NY-
Western Dutchess NY-Eastern Ulster NY-
1221 PM EDT Tue Sep 28 2021

...An area of strong thunderstorms will impact portions of 
Litchfield, southern Berkshire, eastern Ulster, Dutchess and 
southern Columbia Counties through 115 PM EDT...

At 1220 PM EDT, Doppler radar was tracking a strong thunderstorm near
Staatsburg, or 8 miles southeast of Rhinebeck, moving east at 35 mph.

HAZARD...Winds in excess of 30 mph and heavy rain.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects. Heavy rains could cause flooding.

Locations impacted include...
Torrington, Poughkeepsie, New Milford, Kingston, Beacon, New Paltz,
Saugerties, Sherman, Rhinebeck, Pawling, Hyde Park, Milton,
Plattekill, Canton, Pleasant Valley, Thomaston, New Hartford, Hurley,
Wappingers Falls and Amenia.

This includes Interstate 87 between exits 18 and 20.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

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

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 4159 7395 4161 7411 4214 7404 4216 7303
      4215 7307 4197 7303 4197 7289 4181 7295
      4180 7302 4164 7298 4156 7316 4151 7316
      4151 7332 4147 7333 4151 7339 4149 7344
      4167 7352 4153 7353 4149 7393 4144 7398
TIME...MOT...LOC 1620Z 263DEG 31KT 4183 7382 

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...30 MPH

$$

NAS

Nearby

Special Weather Statements in New York, 2021Special Weather Statements in Connecticut, 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.