Alert archive / New York / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 101, NWS Albany, NY

July 7, 20214 counties in New York

NWS Albany, NY issued this severe thunderstorm warning at Jul 7, 2021, 11:02 PM EDT for 4 counties in New York. It was in force for 58 min. 4 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
Jul 7, 2021, 11:02 PM EDT (03:02 UTC)
Expired
Jul 8, 2021, 12:00 AM EDT
In force
58 min
Issued by
NWS Albany, NY
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Columbia County, NY, Dutchess County, NY, Greene County, NY, Ulster County, NY

The radar

The Albany radar (KENX), 68 km from the middle of the area, began a volume at 03:03 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
Jul 7, 11:54 PM EDTTSTM WND DMG1 Sse Kerhonkson, NYA TREE WAS DOWNED IN THE ROADWAY ON FOORDMOORE ROAD NEAR ROUTES 44 AND 55
Jul 7, 11:58 PM EDTTSTM WND DMG1 Sse Lomontville, NYTREE DOWN ON WIRES ON ROUTE 209
Jul 8, 12:02 AM EDTTSTM WND DMG1 Nne Stone Ridge, NYTREE DOWN ON WIRES ON PINE BUSH ROAD NEAR STILBA LANE
Jul 8, 12:02 AM EDTTSTM WND DMG2 Wnw Lomontville, NYTREE DOWN ON WIRES ON ATWOOD ROAD NEAR VLY ATWOOD ROAD

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
Jul 7, 2:41 PM EDTSevere Thunderstorm WatchSPC10 hr

The nearest sounding before it

Albany, NY (KALY), launched 00:00Z, 3.0 hours before the alert went out and 88 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 00:00Z on 2021-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 821 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 00:00Z on 2021-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 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
821 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
930 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
126 m²/s²
Significant tornado parameter
0.3
Supercell composite
3.0

Open this sounding in Storm Lab

The text

As transmitted.

419 
WUUS51 KALY 080302
SVRALY
NYC021-027-039-111-080400-
/O.NEW.KALY.SV.W.0101.210708T0302Z-210708T0400Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Albany NY
1102 PM EDT Wed Jul 7 2021

The National Weather Service in Albany has issued a

* Severe Thunderstorm Warning for...
  Ulster County in east central New York...
  Northwestern Dutchess County in east central New York...
  Southwestern Columbia County in east central New York...
  Southern Greene County in east central New York...

* Until midnight EDT.

* At 1102 PM EDT, severe thunderstorms were located along a line
  extending from 8 miles southwest of Margaretville to Kerhonkson,
  moving northeast at 45 mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Kingston, Ellenville, Saugerties, Hunter, Hurley, Woodstock,
  Clermont, Red Hook, Windham, Prattsville, Napanoch, Woodland Valley
  Campground, Phoenicia, Mount Tremper, Olivebridge, Kerhonkson, West
  Hurley, Saugerties South, North-South Lake Campground and West
  Shokan.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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 4168 7445 4176 7456 4188 7445 4202 7478
      4212 7456 4215 7453 4214 7450 4217 7445
      4220 7454 4234 7444 4236 7441 4233 7419
      4207 7374 4165 7440
TIME...MOT...LOC 0302Z 243DEG 38KT 4206 7476 4179 7430 

HAIL...0.75IN
WIND...60MPH
 
$$

JPV
1 follow-up statement
418 
WWUS51 KALY 080333
SVSALY

Severe Weather Statement
National Weather Service Albany NY
1133 PM EDT Wed Jul 7 2021

NYC021-080342-
/O.CAN.KALY.SV.W.0101.000000T0000Z-210708T0400Z/
Columbia NY-
1133 PM EDT Wed Jul 7 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN COLUMBIA COUNTY
IS CANCELLED...

The storms which prompted the warning will not reach the area prior 
to warning expiration. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 100 AM EDT for
east central New York.

LAT...LON 4168 7445 4176 7456 4188 7445 4202 7478
      4212 7456 4215 7453 4214 7450 4217 7445
      4220 7454 4234 7444 4236 7441 4234 7428
      4229 7414 4200 7385 4165 7440
TIME...MOT...LOC 0332Z 238DEG 22KT 4212 7454 4192 7433 4170 7443 

$$

NYC027-039-111-080400-
/O.CON.KALY.SV.W.0101.000000T0000Z-210708T0400Z/
Ulster NY-Dutchess NY-Greene NY-
1133 PM EDT Wed Jul 7 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EDT
FOR ULSTER...NORTHWESTERN DUTCHESS AND SOUTHWESTERN GREENE
COUNTIES...

At 1132 PM EDT, severe thunderstorms were located along a line
extending from near Fleischmanns to near West Shokan to near
Ellenville, moving northeast at 25 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Kingston, Ellenville, Saugerties, Hunter, Hurley, Woodstock, Red
Hook, Windham, Prattsville, Kerhonkson, West Hurley, Napanoch,
Saugerties South, North-South Lake Campground, Woodland Valley
Campground, West Shokan, Kenneth L Wilson Campground, Lake Katrine,
Phoenicia and Mount Tremper.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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.

&&

LAT...LON 4168 7445 4176 7456 4188 7445 4202 7478
      4212 7456 4215 7453 4214 7450 4217 7445
      4220 7454 4234 7444 4236 7441 4234 7428
      4229 7414 4200 7385 4165 7440
TIME...MOT...LOC 0332Z 238DEG 22KT 4212 7454 4192 7433 4170 7443 

HAIL...0.75IN
WIND...60MPH
 
$$

JPV

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 7, 8:01 PM EDTSpecial Weather StatementALYDutchess44 min
Jul 7, 8:21 PM EDTAreal Flood AdvisoryALYColumbia3 hr
Jul 7, 8:23 PM EDTSevere Thunderstorm WarningALYDutchess67 min
Jul 7, 8:35 PM EDTSpecial Weather StatementALYUlster40 min
Jul 7, 8:37 PM EDTSpecial Weather StatementALYColumbia38 min
Jul 7, 8:47 PM EDTAreal Flood AdvisoryALYDutchess3 hr
Jul 7, 9:07 PM EDTAreal Flood AdvisoryALYColumbia, Dutchess, Ulster3 hr
Jul 7, 9:27 PM EDTSpecial Weather StatementALYColumbia33 min
Jul 7, 9:49 PM EDTSpecial Weather StatementALYGreene26 min
Jul 7, 10:31 PM EDTSpecial Weather StatementALYDutchess29 min
Jul 7, 10:46 PM EDTSpecial Weather StatementALYUlster29 min
Jul 7, 10:47 PM EDTSpecial Weather StatementALYDutchess28 min
Jul 7, 11:20 PM EDTSevere Thunderstorm WarningALYFulton, Herkimer, Montgomery, Schenectady, Schoharie55 min
Jul 7, 11:22 PM EDTSpecial Weather StatementALYDutchess38 min
Jul 8, 12:00 AM EDTSevere Thunderstorm WarningALYAlbany, Columbia, Dutchess, Greene, Rensselaer, Schoharie and 1 more60 min
Jul 8, 12:01 AM EDTSevere Thunderstorm WarningALYDutchess59 min
Jul 8, 12:13 AM EDTSpecial Weather StatementALYDutchess32 min
Jul 8, 12:15 AM EDTSpecial Weather StatementALYFulton, Montgomery, Saratoga, Schenectady45 min
Jul 8, 12:29 AM EDTAreal Flood AdvisoryALYColumbia, Dutchess, Greene, Ulster2 hr
Jul 8, 12:34 AM EDTSpecial Weather StatementALYAlbany, Rensselaer, Schenectady41 min
Jul 8, 12:54 AM EDTSpecial Weather StatementALYDutchess36 min
Jul 8, 12:58 AM EDTSpecial Weather StatementALYColumbia47 min
Jul 8, 3:57 AM EDTFlash Flood WatchALYColumbia, Dutchess, Greene, Ulster32 hr
Jul 8, 9:57 AM EDTAreal Flood AdvisoryALYColumbia, Dutchess, Ulster3 hr
Jul 8, 10:54 AM EDTFlash Flood WarningALYColumbia, Dutchess, Greene, Ulster3 hr
Jul 8, 11:28 AM EDTSpecial Weather StatementALYColumbia32 min
Jul 8, 2:14 PM EDTSpecial Weather StatementALYDutchess31 min
Jul 8, 3:10 PM EDTAreal Flood AdvisoryALYDutchess3 hr
Jul 8, 7:39 PM EDTSpecial Weather StatementALYHerkimer51 min
Jul 8, 7:46 PM EDTSpecial Weather StatementALYHerkimer44 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.