Alert archive / New York / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 28, NWS New York, NY

June 30, 2021Orange County, New York

NWS New York, NY issued this severe thunderstorm warning at Jun 30, 2021, 7:12 PM EDT for Orange County, New York. It was in force for 48 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 30, 2021, 7:12 PM EDT (23:12 UTC)
Expired
Jun 30, 2021, 8:00 PM EDT
In force
48 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), 114 km from the middle of the area, began a volume at 23:14 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
Jun 30, 7:15 PM EDTTSTM WND DMG1 S Scotchtown, NYWALLKILL POLICE REPORTS NUMEROUS TREES DOWN.

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
Jun 30, 3:21 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 11.2 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-pSkew-T log-p diagram, Albany, NY at 12:00Z on 2021-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 113 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 2021-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 66 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
113 J/kg
Mixed-layer CIN
-257 J/kg
Mixed-layer LCL
1162 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
66 m²/s²
0-3 km storm-relative helicity
98 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

664 
WUUS51 KOKX 302312
SVROKX
NYC071-010000-
/O.NEW.KOKX.SV.W.0028.210630T2312Z-210701T0000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service New York NY
712 PM EDT Wed Jun 30 2021

The National Weather Service in Upton NY has issued a

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

* Until 800 PM EDT.

* At 712 PM EDT, a severe thunderstorm was located near Montgomery,
  or near Walden, moving northeast at 35 mph.

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

  SOURCE...Radar indicated.

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

* This severe thunderstorm will be near...
  Montgomery around 715 PM EDT.
  Walden around 725 PM EDT.
  New Windsor and Gardnertown around 730 PM EDT.
  Newburgh around 735 PM EDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4161 7410 4160 7409 4161 7407 4158 7405
      4159 7395 4157 7396 4155 7399 4153 7400
      4145 7400 4136 7437 4153 7441 4161 7425
      4158 7413 4161 7413
TIME...MOT...LOC 2312Z 246DEG 32KT 4150 7429 

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

MW
2 follow-up statements
206 
WWUS51 KOKX 302336
SVSOKX

Severe Weather Statement
National Weather Service New York NY
736 PM EDT Wed Jun 30 2021

NYC071-010000-
/O.CON.KOKX.SV.W.0028.000000T0000Z-210701T0000Z/
Orange NY-
736 PM EDT Wed Jun 30 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR NORTHEASTERN ORANGE COUNTY...

At 736 PM EDT, a severe thunderstorm was located near Marlboro, or
near Newburgh, moving northeast at 35 mph.

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

SOURCE...Radar indicated.

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

This severe thunderstorm will remain over mainly rural areas of
northeastern Orange County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4161 7410 4160 7409 4161 7407 4158 7405
      4159 7395 4157 7396 4155 7399 4153 7400
      4145 7400 4136 7437 4149 7433 4155 7418
      4158 7413 4161 7413
TIME...MOT...LOC 2336Z 246DEG 32KT 4159 7403 

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

MW
729 
WWUS51 KOKX 302356
SVSOKX

Severe Weather Statement
National Weather Service New York NY
756 PM EDT Wed Jun 30 2021

NYC071-010006-
/O.EXP.KOKX.SV.W.0028.000000T0000Z-210701T0000Z/
Orange NY-
756 PM EDT Wed Jun 30 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN ORANGE COUNTY
WILL EXPIRE AT 800 PM EDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for
southeastern New York.

LAT...LON 4161 7410 4160 7409 4161 7407 4158 7405
      4159 7395 4157 7396 4155 7399 4153 7400
      4145 7400 4136 7437 4149 7433 4155 7418
      4158 7413 4161 7413
TIME...MOT...LOC 2356Z 246DEG 32KT 4166 7383 

$$

MW

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 30, 6:12 PM EDTSpecial Weather StatementOKXOrange48 min
Jun 30, 7:05 PM EDTSpecial Weather StatementOKXOrange40 min
Jun 30, 7:10 PM EDTSpecial Weather StatementOKXOrange50 min
Jun 30, 7:15 PM EDTSpecial Weather StatementOKXDutchess45 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.