Alert archive / New York / Special Weather Statements in 2021

Special Weather Statement, NWS Albany, NY

August 7, 2021Otsego County, New York

NWS Albany, NY issued this special weather statement at Aug 7, 2021, 6:21 PM EDT for Otsego County, New York. It was in force for 39 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 7, 2021, 6:21 PM EDT (22:21 UTC)
Expired
Aug 7, 2021, 7:00 PM EDT
In force
39 min
Issued by
NWS Albany, NY
Hail
0.00 in
Wind
40

County Otsego County, NY

The radar

The Albany radar (KENX), 83 km from the middle of the area, began a volume at 22:21 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

Albany, NY (KALY), launched 12:00Z, 10.4 hours before the alert went out and 97 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, Albany, NY at 12:00Z on 2021-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 81 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, Albany, NY at 12:00Z on 2021-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 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
81 J/kg
Mixed-layer CIN
-138 J/kg
Mixed-layer LCL
1169 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
104 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

292 
WWUS81 KALY 072221
SPSALY

Special Weather Statement
National Weather Service Albany NY
621 PM EDT Sat Aug 7 2021
 
NYZ038-072300-
Southern Herkimer NY-
621 PM EDT Sat Aug 7 2021

...A strong thunderstorm will impact portions of southern Herkimer
County through 700 PM EDT...

At 620 PM EDT, Doppler radar was tracking a strong thunderstorm over
Cedarville, or 7 miles southwest of Ilion, moving east at 20 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...
Ilion, Herkimer, Little Falls, Mohawk, Frankfort, West Winfield,
Jordanville, Cedarville, Elizabethtown, Warren, Ingham Mills,
Jersalem Hill, Spinnerville, Corrado Corners, Cedar Lake, North
Ilion, Gulph, South Columbia, South Ilion and Kelhi Corners.

This includes Interstate 90 between exits 29A and 30.
 
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.

&&

LAT...LON 4309 7477 4307 7477 4302 7474 4286 7476
      4290 7488 4284 7489 4283 7492 4291 7510
      4286 7514 4286 7521 4288 7521 4288 7520
      4301 7521
TIME...MOT...LOC 2220Z 262DEG 20KT 4293 7515 

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

$$

DBT

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 7, 1:47 PM EDTSpecial Weather StatementALYWarren43 min
Aug 7, 2:40 PM EDTAreal Flood AdvisoryALYSaratoga, Schenectady105 min
Aug 7, 3:15 PM EDTSpecial Weather StatementALYRensselaer45 min
Aug 7, 4:03 PM EDTSpecial Weather StatementALYRensselaer42 min

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.