Alert archive / New York / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 1, NWS Albany, NY

March 26, 2021Hamilton County, Herkimer County, New York

NWS Albany, NY issued this severe thunderstorm warning at Mar 26, 2021, 11:29 AM EDT for Hamilton County, Herkimer County, New York. It was in force for 46 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
Mar 26, 2021, 11:29 AM EDT (15:29 UTC)
Expired
Mar 26, 2021, 12:15 PM EDT
In force
46 min
Issued by
NWS Albany, NY
Area
Storm-based polygon
Hail
0.88 in
Wind
60.0 mph

Counties Hamilton County, NY, Herkimer County, NY

The radar

The Ft Drum radar (KTYX), 90 km from the middle of the area, began a volume at 15:33 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

TimeReportWhereRemark
Mar 26, 12:14 PM EDTTSTM WND DMG2 Wnw Long Lake, NYTREES DOWNED
Mar 26, 12:16 PM EDTTSTM WND DMGLong Lake, NYNUMEROUS TREES UPROOTED AND WIRES DOWNED ALONG ROUTE 30 IN LONG LAKE

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Mar 26, 11:11 AM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 3.5 hours before the alert went out and 145 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 2021-03-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 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 2021-03-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 202 square meters per square second.1939587897Sfc1 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
2 J/kg
Mixed-layer CIN
-438 J/kg
Mixed-layer LCL
578 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
202 m²/s²
0-3 km storm-relative helicity
311 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

474 
WUUS51 KALY 261529
SVRALY
NYC041-043-261615-
/O.NEW.KALY.SV.W.0001.210326T1529Z-210326T1615Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Albany NY
1129 AM EDT Fri Mar 26 2021

The National Weather Service in Albany has issued a

* Severe Thunderstorm Warning for...
  Northwestern Hamilton County in eastern New York...
  Northern Herkimer County in eastern New York...

* Until 1215 PM EDT.

* At 1129 AM EDT, severe thunderstorms were located along a line
  extending from near Star Lake to near Boonville, moving east at 55
  mph.

  HAZARD...60 mph wind gusts and nickel size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Speculator, Old Forge, Inlet, Blue Mountain Lake, Lake Eaton
  Campground, Brown Tract Pond Campground, Big Moose, Lake Durant
  Campground, Eighth Lake Campground, McKeever, Golden Beach
  Campground, Limekiln Lake Campground, Nicks Lake Campground, Eagle
  Bay, Forked Lake Public Campground, Raquette Lake, Alger Island
  Public Campground, Long Lake, Eagle Nest and Beaver River.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Large hail and damaging winds and continuous cloud to ground
lightning is occurring with these storms. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.

&&

Please report hail size...damaging winds and reports of trees down to
the National Weather Service by email at Alb.Stormreport@noaa.gov...
On Facebook at www.facebook.com/nwsalbany or twitter @nwsalbany

LAT...LON 4397 7425 4392 7434 4387 7428 4347 7449
      4339 7508 4409 7516 4405 7505 4412 7428
TIME...MOT...LOC 1529Z 257DEG 47KT 4414 7497 4341 7537 

HAIL...0.88IN
WIND...60MPH
 
$$

JLV
1 follow-up statement
267 
WWUS51 KALY 261559
SVSALY

Severe Weather Statement
National Weather Service Albany NY
1159 AM EDT Fri Mar 26 2021

NYC041-043-261615-
/O.CON.KALY.SV.W.0001.000000T0000Z-210326T1615Z/
Hamilton NY-Herkimer NY-
1159 AM EDT Fri Mar 26 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 PM EDT
FOR NORTHWESTERN HAMILTON AND CENTRAL HERKIMER COUNTIES...

At 1158 AM EDT, severe thunderstorms were located along a line
extending from near Piercefield to 11 miles north of Ohio, moving
east at 50 mph.

HAZARD...60 mph wind gusts and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Speculator, Inlet, Blue Mountain Lake, Lake Eaton Campground, Brown
Tract Pond Campground, Limekiln Lake Campground, Lake Durant
Campground, Eighth Lake Campground, Eagle Bay, Forked Lake Public
Campground, Raquette Lake, Golden Beach Campground, Alger Island
Public Campground, Long Lake, Eagle Nest, Perkins Clearing, Quaker
Beach, First Lake, Deerland and Robinwood.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Intense thunderstorm lines can produce brief tornadoes and widespread
significant wind damage. Although a tornado is not immediately
likely, it is best to move to an interior room on the lowest floor of
a building. These storms may cause serious injury and significant
property damage.

&&

LAT...LON 4358 7443 4351 7447 4347 7505 4357 7507
      4385 7481 4407 7481 4412 7428 4397 7425
      4392 7434 4387 7428
TIME...MOT...LOC 1558Z 256DEG 42KT 4421 7452 4348 7493 

TORNADO...POSSIBLE
HAIL...0.88IN
WIND...60MPH
 
$$

JLV

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 26, 9:28 AM EDTSpecial Weather StatementALYWarren47 min
Mar 26, 12:07 PM EDTSpecial Weather StatementALYWarren23 min
Mar 26, 12:16 PM EDTSevere Thunderstorm WarningALYHamilton, Herkimer, Warren44 min
Mar 26, 12:54 PM EDTSpecial Weather StatementALYWarren51 min
Mar 26, 1:49 PM EDTSpecial Weather StatementALYWarren41 min

Nearby

Severe Thunderstorm Warnings in New York, 2021Every severe thunderstorm warning 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.