Alert archive / New York / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 30, NWS New York, NY

July 21, 2022Bronx County, New York County, Westchester County, New York; Bergen County, Essex County, Passaic County, New Jersey

NWS New York, NY issued this severe thunderstorm warning at Jul 21, 2022, 12:32 PM EDT for Bronx County, New York County, Westchester County, New York; Bergen County, Essex County, Passaic County, New Jersey. It was in force for 43 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 21, 2022, 12:32 PM EDT (16:32 UTC)
Expired
Jul 21, 2022, 1:15 PM EDT
In force
43 min
Issued by
NWS New York, NY
Area
Storm-based polygon
Tornado
Possible
Hail
1.0 in
Wind
60.0 mph

Counties Bergen County, NJ, Essex County, NJ, Passaic County, NJ, Bronx County, NY, New York County, NY, Westchester County, NY

The radar

The Brookhaven radar (KOKX), 99 km from the middle of the area, began a volume at 16:32 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 21, 11:37 AM EDTSevere Thunderstorm WatchSPC9 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 4.5 hours before the alert went out and 99 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, Brookhaven, NY at 12:00Z on 2022-07-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 715 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 12:00Z on 2022-07-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 133 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
715 J/kg
Mixed-layer CIN
-65 J/kg
Mixed-layer LCL
1080 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
133 m²/s²
0-3 km storm-relative helicity
170 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.6

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS New York, NY wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 21, 10:43 AM EDT, 1 hour 49 minutes earlier.

Area forecast discussion, Jul 21, 10:43 AM EDT, 1 hour 49 minutes before
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Hazardous weather outlook, Jul 21, 11:45 AM EDT, 47 minutes before
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In the hours before

Special weather statement, Jul 21, 12:26 PM EDT, 6 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 21, 12:56 PM EDTSevere Thunderstorm WarningOKXBronx, New York49 min
Jul 21, 1:07 PM EDTSpecial Marine WarningOKX53 min
Jul 21, 1:10 PM EDTSpecial Weather StatementOKXWestchester50 min
Jul 21, 1:14 PM EDTAreal Flood AdvisoryOKXBronx, New York, Westchester61 min
Jul 21, 1:14 PM EDTSevere Thunderstorm WarningOKXPutnam, Rockland, Westchester46 min
Jul 21, 1:18 PM EDTSevere Thunderstorm WarningOKXBronx, Nassau, New York, Queens42 min
Jul 21, 1:36 PM EDTSpecial Weather StatementOKXPutnam24 min
Jul 21, 1:54 PM EDTSevere Thunderstorm WarningOKXNassau, Suffolk51 min
Jul 21, 1:59 PM EDTSevere Thunderstorm WarningOKXPutnam, Westchester46 min
Jul 21, 2:03 PM EDTSpecial Weather StatementOKXBronx, New York42 min
Jul 21, 2:15 PM EDTAreal Flood AdvisoryOKXNassau, Queens, Suffolk90 min
Jul 21, 2:37 PM EDTSevere Thunderstorm Warning Considerable damage threatOKXNassau, Suffolk38 min
Jul 21, 2:53 PM EDTFlash Flood WarningOKXNassau, Suffolk61 min
Jul 21, 3:06 PM EDTSpecial Marine WarningOKX39 min
Jul 21, 3:14 PM EDTSevere Thunderstorm WarningOKXSuffolk46 min
Jul 21, 3:41 PM EDTSpecial Weather StatementOKXNassau19 min
Jul 21, 3:57 PM EDTSpecial Marine WarningOKX9 min
Jul 21, 4:01 PM EDTSpecial Weather StatementOKXSuffolk29 min
Jul 21, 4:13 PM EDTSpecial Weather StatementOKXSuffolk17 min
Jul 21, 7:14 PM EDTRip Current StatementOKXKings, Nassau, Queens, Suffolk26 hr
Jul 21, 12:26 PM EDTSpecial Weather StatementOKXBergen, Essex49 min
Jul 21, 12:45 PM EDTAreal Flood AdvisoryOKXBergen, Essex, Passaic90 min
Jul 21, 2:34 PM EDTSevere Thunderstorm WarningOKXNaugatuck Valley Planning Region29 min

Nearby

Severe Thunderstorm Warnings in New York, 2022Severe Thunderstorm Warnings in New Jersey, 2022Every severe thunderstorm warning in 2022

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.