Alert archive / New York / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 17, NWS New York, NY

June 8, 2021Orange County, New York

NWS New York, NY issued this severe thunderstorm warning at Jun 8, 2021, 1:28 PM EDT for Orange County, New York. It was in force for 62 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: Jun 8, 2021, 1:28 PM EDT (17:28 UTC)
Expired: Jun 8, 2021, 2:30 PM EDT
In force: 62 min
Issued by: NWS New York, NY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Orange County, NY

The radar

The Albany radar (KENX), 118 km from the middle of the area, began a volume at 17:31 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

Time	Report	Where	Remark
Jun 8, 1:32 PM EDT	TSTM WND DMG	Chester, NY	TREES REPORTED DOWN ON A HOUSE IN CHESTER.

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

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 5.5 hours before the alert went out and 128 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 740 J/kg
Mixed-layer CIN: -106 J/kg
Mixed-layer LCL: 1004 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: 14 m²/s²
0-3 km storm-relative helicity: 9 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

178 
WUUS51 KOKX 081728
SVROKX
NYC071-081830-
/O.NEW.KOKX.SV.W.0017.210608T1728Z-210608T1830Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service New York NY
128 PM EDT Tue Jun 8 2021

The National Weather Service in Upton NY has issued a

* Severe Thunderstorm Warning for...
  Orange County in southeastern New York...

* Until 230 PM EDT.

* At 127 PM EDT, an area of severe thunderstorms were located over 
  central Orange County, moving northeast at 15 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Expect damage to trees and power lines.

* Locations impacted include...
  Newburgh, Monroe, Walden, Warwick, Goshen, New Windsor,
  Gardnertown, Chester, Montgomery, Greenwood Lake, Florida,
  Harriman, Kiryas Joel, Woodbury and Scotchtown.

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 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.

&&

LAT...LON 4163 7425 4160 7425 4158 7413 4161 7413
      4160 7409 4161 7407 4158 7405 4159 7395
      4157 7396 4155 7399 4153 7400 4146 7400
      4145 7399 4138 7402 4115 7425 4128 7453
      4163 7426
TIME...MOT...LOC 1727Z 233DEG 10KT 4128 7435 

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

JC

1 follow-up statement

791 
WWUS51 KOKX 081827
SVSOKX

Severe Weather Statement
National Weather Service New York NY
227 PM EDT Tue Jun 8 2021

NYC071-081837-
/O.EXP.KOKX.SV.W.0017.000000T0000Z-210608T1830Z/
Orange NY-
227 PM EDT Tue Jun 8 2021

...THE SEVERE THUNDERSTORM WARNING FOR ORANGE COUNTY WILL EXPIRE AT
230 PM EDT...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.  However heavy rain is still possible with this
thunderstorm.

LAT...LON 4163 7425 4160 7425 4158 7413 4161 7413
      4160 7409 4161 7407 4158 7405 4159 7395
      4157 7396 4155 7399 4153 7400 4146 7400
      4145 7399 4138 7402 4115 7425 4128 7453
      4163 7426
TIME...MOT...LOC 1827Z 233DEG 10KT 4138 7417 

$$

JC

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 8, 12:04 AM EDT	Marine Dense Fog Advisory	OKX		9 hr
Jun 8, 12:24 PM EDT	Areal Flood Advisory	OKX	Orange	3 hr
Jun 8, 12:49 PM EDT	Special Weather Statement	OKX	Orange	41 min
Jun 8, 1:07 PM EDT	Flash Flood Warning	OKX	Orange	3 hr
Jun 8, 2:02 PM EDT	Areal Flood Advisory	OKX	Orange	118 min
Jun 8, 2:07 PM EDT	Severe Thunderstorm Warning	OKX	Putnam, Westchester	38 min
Jun 8, 2:26 PM EDT	Special Weather Statement	OKX	Putnam, Rockland, Westchester	49 min
Jun 8, 2:40 PM EDT	Severe Thunderstorm Warning	OKX	Rockland, Westchester	35 min
Jun 8, 3:06 PM EDT	Areal Flood Advisory	OKX	Rockland, Westchester	114 min
Jun 8, 3:10 PM EDT	Severe Thunderstorm Warning	OKX	Bronx, Rockland, Westchester	50 min
Jun 8, 3:28 PM EDT	Special Marine Warning	OKX		62 min
Jun 8, 3:29 PM EDT	Severe Thunderstorm Warning	OKX	Bronx, Kings, New York, Queens, Richmond	46 min
Jun 8, 3:30 PM EDT	Flash Flood Warning	OKX	Rockland, Westchester	3 hr
Jun 8, 3:49 PM EDT	Flash Flood Warning	OKX	Bronx, Kings, New York, Queens, Richmond	2 hr
Jun 8, 4:10 PM EDT	Special Marine Warning	OKX		43 min
Jun 8, 4:15 PM EDT	Severe Thunderstorm Warning	OKX	Bronx, Kings, Nassau, New York, Queens, Richmond	43 min
Jun 8, 4:30 PM EDT	Special Marine Warning	OKX		45 min
Jun 8, 4:31 PM EDT	Flash Flood Warning	OKX	Nassau, Queens	56 min

Nearby

Severe Thunderstorm Warnings in New York, 2021 Every 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.