Alert archive / New York / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 171, NWS Albany, NY

September 15, 20214 counties in New York

NWS Albany, NY issued this severe thunderstorm warning at Sep 15, 2021, 12:54 PM EDT for 4 counties in New York. It was in force for 51 min. 1 report 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
Sep 15, 2021, 12:54 PM EDT (16:54 UTC)
Expired
Sep 15, 2021, 1:45 PM EDT
In force
51 min
Issued by
NWS Albany, NY
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

Counties Fulton County, NY, Montgomery County, NY, Saratoga County, NY, Schenectady County, NY

The radar

The Albany radar (KENX), 46 km from the middle of the area, began a volume at 16:58 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
Sep 15, 12:56 PM EDTHAIL 0.88Fultonville, NY

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
Sep 15, 11:55 AM EDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 4.9 hours before the alert went out and 45 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 2021-09-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 856 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 2021-09-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 214 square meters per square second.19395878Sfc1 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
856 J/kg
Mixed-layer CIN
-92 J/kg
Mixed-layer LCL
766 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
214 m²/s²
0-3 km storm-relative helicity
248 m²/s²
Significant tornado parameter
0.7
Supercell composite
6.3

Open this sounding in Storm Lab

The text

As transmitted.

244 
WUUS51 KALY 151654
SVRALY
NYC035-057-091-093-151745-
/O.NEW.KALY.SV.W.0171.210915T1654Z-210915T1745Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Albany NY
1254 PM EDT Wed Sep 15 2021

The National Weather Service in Albany has issued a

* Severe Thunderstorm Warning for...
  North central Schenectady County in east central New York...
  Southeastern Fulton County in eastern New York...
  Northern Saratoga County in east central New York...
  Southeastern Montgomery County in eastern New York...

* Until 145 PM EDT.

* At 1254 PM EDT, a severe thunderstorm was located over Fonda,
  moving east at 35 mph.

  HAZARD...60 mph wind gusts and half dollar size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* This severe thunderstorm will be near...
  Fort Johnson around 100 PM EDT.
  Amsterdam around 105 PM EDT.
  Broadalbin and Hagaman around 110 PM EDT.
  Glenville around 115 PM EDT.
  Galway around 120 PM EDT.
  Rock City Falls around 130 PM EDT.
  Milton, Ballston Spa and North Ballston Spa around 135 PM EDT.
  Saratoga Springs around 145 PM EDT.

Other locations impacted by this severe thunderstorm include Parkis
Mills, Meco, Charleston, West Perth, Fultonville, West Milton,
Glenwild, Young Corners, Greenfield Center and Wiley Corners.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This storm is producing large hail in Fonda. SEEK SHELTER NOW inside 
a sturdy structure and stay away from windows!

Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. 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.

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

&&

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 4282 7444 4302 7451 4328 7393 4301 7369
TIME...MOT...LOC 1654Z 250DEG 32KT 4295 7434 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Frugis

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 15, 7:02 AM EDTSpecial Weather StatementALYHamilton, Herkimer58 min
Sep 15, 12:19 PM EDTSpecial Weather StatementALYSaratoga26 min
Sep 15, 12:31 PM EDTSevere Thunderstorm WarningALYMontgomery, Schenectady, Schoharie59 min
Sep 15, 12:47 PM EDTSpecial Weather StatementALYSaratoga, Washington28 min
Sep 15, 1:05 PM EDTSpecial Weather StatementALYWashington25 min
Sep 15, 1:18 PM EDTSevere Thunderstorm WarningALYSaratoga, Washington57 min
Sep 15, 1:21 PM EDTFlash Flood WarningALYFulton, Montgomery3 hr
Sep 15, 1:28 PM EDTAreal Flood AdvisoryALYFulton, Montgomery, Saratoga, Schenectady9 min
Sep 15, 1:32 PM EDTAreal Flood AdvisoryALYSaratoga, Washington16 min
Sep 15, 1:37 PM EDTFlash Flood WarningALYFulton, Montgomery, Saratoga, Schenectady3 hr
Sep 15, 1:45 PM EDTAreal Flood AdvisoryALYWashington2 hr
Sep 15, 1:46 PM EDTSevere Thunderstorm WarningALYSaratoga, Washington44 min
Sep 15, 1:48 PM EDTFlash Flood WarningALYSaratoga, Washington3 hr
Sep 15, 1:52 PM EDTAreal Flood AdvisoryALYWashington3 hr
Sep 15, 1:55 PM EDTAreal Flood AdvisoryALYMontgomery, Schenectady, Schoharie3 hr
Sep 15, 2:13 PM EDTSpecial Weather StatementALYSchenectady32 min
Sep 15, 2:15 PM EDTSevere Thunderstorm WarningALYWashington60 min
Sep 15, 2:22 PM EDTAreal Flood AdvisoryALYRensselaer, Saratoga, Schenectady, Washington26 min
Sep 15, 2:26 PM EDTSpecial Weather StatementALYSchoharie34 min
Sep 15, 2:28 PM EDTSevere Thunderstorm WarningALYRensselaer, Saratoga, Washington62 min
Sep 15, 2:35 PM EDTSpecial Weather StatementALYRensselaer25 min
Sep 15, 2:48 PM EDTFlash Flood WarningALYRensselaer, Saratoga, Schenectady, Washington3 hr
Sep 15, 2:56 PM EDTSpecial Weather StatementALYRensselaer49 min
Sep 15, 2:59 PM EDTAreal Flood AdvisoryALYAlbany, Rensselaer3 hr
Sep 15, 2:59 PM EDTSpecial Weather StatementALYAlbany31 min
Sep 15, 3:00 PM EDTSevere Thunderstorm WarningALYRensselaer60 min
Sep 15, 3:03 PM EDTAreal Flood AdvisoryALYWashington3 hr
Sep 15, 3:19 PM EDTSpecial Weather StatementALYUlster26 min
Sep 15, 3:29 PM EDTSpecial Weather StatementALYRensselaer31 min
Sep 15, 3:33 PM EDTSpecial Weather StatementALYGreene27 min
Sep 15, 3:39 PM EDTSevere Thunderstorm WarningALYAlbany, Columbia, Greene, Rensselaer66 min
Sep 15, 3:48 PM EDTAreal Flood AdvisoryALYAlbany, Columbia, Greene, Rensselaer3 hr
Sep 15, 3:50 PM EDTSpecial Weather StatementALYUlster25 min
Sep 15, 4:02 PM EDTAreal Flood AdvisoryALYColumbia, Rensselaer3 hr
Sep 15, 4:19 PM EDTSpecial Weather StatementALYColumbia26 min
Sep 15, 4:31 PM EDTSevere Thunderstorm WarningALYColumbia, Greene, Rensselaer59 min
Sep 15, 4:41 PM EDTAreal Flood AdvisoryALYColumbia, Greene, Rensselaer3 hr
Sep 15, 4:51 PM EDTAreal Flood AdvisoryALYGreene, Ulster3 hr
Sep 15, 5:00 PM EDTSpecial Weather StatementALYGreene30 min
Sep 15, 5:13 PM EDTSpecial Weather StatementALYUlster32 min
Sep 15, 5:16 PM EDTAreal Flood WarningALYFulton, Hamilton, Montgomery, Saratoga, Schenectady, Schoharie and 2 more3 hr
Sep 15, 5:26 PM EDTFlash Flood WarningALYUlster2 hr
Sep 15, 5:30 PM EDTAreal Flood AdvisoryALYUlster3 hr
Sep 15, 5:31 PM EDTSpecial Weather StatementALYColumbia29 min
Sep 15, 5:41 PM EDTSpecial Weather StatementALYUlster34 min
Sep 15, 5:48 PM EDTFlash Flood WarningALYColumbia, Greene97 min
Sep 15, 5:55 PM EDTSpecial Weather StatementALYGreene35 min
Sep 15, 6:08 PM EDTSpecial Weather StatementALYColumbia37 min
Sep 15, 6:32 PM EDTSpecial Weather StatementALYDutchess43 min
Sep 15, 7:39 PM EDTSpecial Weather StatementALYUlster36 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.