Alert archive / New York / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 26, NWS New York, NY

June 21, 2021Orange County, New York

NWS New York, NY issued this severe thunderstorm warning at Jun 21, 2021, 8:47 PM EDT for Orange County, New York. It was in force for 43 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 21, 2021, 8:47 PM EDT (00:47 UTC)
Expired
Jun 21, 2021, 9:30 PM EDT
In force
43 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), 127 km from the middle of the area, began a volume at 00:48 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 21, 8:55 PM EDTTSTM WND DMGPort Jervis, NYPOLICE REPORT WIRES DOWN AT THE INTERSECTION OF ORANGE AND CANAL.

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 21, 4:33 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Albany, NY (KALY), launched 00:00Z, 0.8 hours before the alert went out and 144 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 2021-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1525 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 2021-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 218 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
1525 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
1247 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
218 m²/s²
0-3 km storm-relative helicity
283 m²/s²
Significant tornado parameter
1.1
Supercell composite
12.5

Open this sounding in Storm Lab

The text

As transmitted.

966 
WUUS51 KOKX 220047
SVROKX
NYC071-220130-
/O.NEW.KOKX.SV.W.0026.210622T0047Z-210622T0130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service New York NY
847 PM EDT Mon Jun 21 2021

The National Weather Service in Upton NY has issued a

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

* Until 930 PM EDT.

* At 847 PM EDT, severe thunderstorms were located along a line
  extending from near Matamoras to High Point to near Sussex to
  Pellettown to near Branchville, moving northeast at 30 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Severe thunderstorms will be near...
  Port Jervis around 855 PM EDT.
  Huguenot and Unionville around 900 PM EDT.
  Cuddebackville around 910 PM EDT.
  Otisville around 915 PM EDT.
  Middletown and Howells around 920 PM EDT.
  Warwick and Goshen around 930 PM EDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4150 7468 4150 7448 4157 7442 4160 7435
      4160 7433 4163 7426 4163 7425 4160 7425
      4159 7420 4158 7418 4152 7418 4144 7420
      4124 7428 4120 7435 4136 7469 4137 7469
      4139 7471 4140 7474 4143 7474 4143 7476
TIME...MOT...LOC 0047Z 231DEG 26KT 4135 7473 4130 7468 4123 7467 4115
7470 4110 7475

HAIL...<.75IN
WIND...60MPH
 
$$
1 follow-up statement
564 
WWUS51 KOKX 220112
SVSOKX

Severe Weather Statement
National Weather Service New York NY
912 PM EDT Mon Jun 21 2021

NYC071-220130-
/O.CON.KOKX.SV.W.0026.000000T0000Z-210622T0130Z/
Orange NY-
912 PM EDT Mon Jun 21 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM EDT
FOR CENTRAL ORANGE COUNTY...

At 912 PM EDT, severe thunderstorms were located along a line
extending from Haven to Howells to near Middletown to 6 miles north
of Vernon Valley to near Unionville, moving northeast at 45 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

These severe storms will be near...
  Middletown and Howells around 915 PM EDT.
  Goshen and Chester around 930 PM EDT.
  Montgomery around 935 PM EDT.
  Walden around 940 PM EDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4132 7460 4140 7458 4143 7465 4150 7463
      4150 7448 4157 7442 4160 7435 4160 7433
      4163 7426 4163 7425 4160 7425 4159 7420
      4158 7418 4152 7418 4144 7420 4124 7428
      4120 7435
TIME...MOT...LOC 0112Z 219DEG 40KT 4153 7452 4148 7447 4141 7446 4133
7449 4128 7454

HAIL...<.75IN
WIND...60MPH
 
$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 21, 8:38 PM EDTSpecial Weather StatementOKXOrange37 min
Jun 21, 9:09 PM EDTSpecial Weather StatementOKXRichmond51 min
Jun 21, 9:15 PM EDTSpecial Weather StatementOKXRockland45 min
Jun 21, 9:26 PM EDTSevere Thunderstorm WarningOKXOrange, Putnam, Rockland, Westchester49 min
Jun 21, 9:44 PM EDTTornado WarningOKXRockland, Westchester21 min
Jun 21, 10:13 PM EDTSpecial Weather StatementOKXPutnam, Westchester47 min
Jun 22, 5:26 AM EDTCoastal Flood StatementOKXNassau16 hr
Jun 22, 12:39 PM EDTSpecial Weather StatementOKXSuffolk51 min
Jun 22, 2:22 PM EDTSpecial Weather StatementOKXSuffolk53 min
Jun 22, 3:39 PM EDTSmall Craft AdvisoryOKX12 hr

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.