Alert archive / New York / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 13, NWS Buffalo, NY

May 21, 2022Jefferson County, Lewis County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at May 21, 2022, 3:50 PM EDT for Jefferson County, Lewis County, New York. It was in force for 20 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: May 21, 2022, 3:50 PM EDT (19:50 UTC)
Expired: May 21, 2022, 4:10 PM EDT
In force: 20 min
Issued by: NWS Buffalo, NY
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Jefferson County, NY, Lewis County, NY

The radar

The Ft Drum radar (KTYX), 28 km from the middle of the area, began a volume at 19:50 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.

Issued	Product	Office	Lasted
May 21, 3:18 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 7.8 hours before the alert went out and 195 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: 102 J/kg
Mixed-layer CIN: -697 J/kg
Mixed-layer LCL: 770 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 92 m²/s²
0-3 km storm-relative helicity: 165 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.0

Open this sounding in Storm Lab

The text

As transmitted.

411 
WUUS51 KBUF 211950
SVRBUF
NYC045-049-212045-
/O.NEW.KBUF.SV.W.0013.220521T1950Z-220521T2045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Buffalo NY
350 PM EDT Sat May 21 2022

The National Weather Service in Buffalo has issued a

* Severe Thunderstorm Warning for...
  East central Jefferson County in central New York...
  Northern Lewis County in central New York...

* Until 445 PM EDT.

* At 350 PM EDT, a severe thunderstorm was located over West
  Carthage, or 10 miles southeast of Fort Drum, moving east at 25
  mph.

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

  SOURCE...Radar indicated.

  IMPACT...Minor damage to vehicles is possible. Expect wind damage 
           to trees and power lines.

* Locations impacted include...
  Carthage, West Carthage, Herrings, Denmark, Copenhagen,
  Harrisville, Croghan, Castorland, Belfort and Soft Maple Reservoir.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4383 7574 4398 7578 4417 7534 4410 7517
      4386 7514
TIME...MOT...LOC 1950Z 254DEG 20KT 4395 7561 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Reynolds

1 follow-up statement

969 
WWUS51 KBUF 212010
SVSBUF

Severe Weather Statement
National Weather Service Buffalo NY
410 PM EDT Sat May 21 2022

NYC045-049-212020-
/O.CAN.KBUF.SV.W.0013.000000T0000Z-220521T2045Z/
Jefferson NY-Lewis NY-
410 PM EDT Sat May 21 2022

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL JEFFERSON AND
NORTHERN LEWIS COUNTIES IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 1100 PM EDT for
central New York.

LAT...LON 4383 7574 4398 7578 4417 7534 4410 7517
      4386 7514
TIME...MOT...LOC 2008Z 254DEG 20KT 4398 7546 

$$

Reynolds

The office that day

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

Issued	Product	Office	Counties	Lasted
May 21, 1:07 PM EDT	Special Marine Warning	BUF		38 min
May 21, 1:44 PM EDT	Special Marine Warning	BUF		61 min
May 21, 3:03 PM EDT	Special Weather Statement	BUF	Lewis	57 min
May 21, 3:22 PM EDT	Special Marine Warning	BUF		53 min
May 21, 3:38 PM EDT	Special Marine Warning	BUF		52 min
May 21, 3:46 PM EDT	Severe Thunderstorm Warning	BUF	Lewis	59 min
May 21, 3:52 PM EDT	Severe Thunderstorm Warning	BUF	Oswego	49 min
May 21, 5:36 PM EDT	Special Weather Statement	BUF	Chautauqua	54 min
May 21, 5:53 PM EDT	Severe Thunderstorm Warning	BUF	Cattaraugus, Chautauqua	67 min
May 21, 6:33 PM EDT	Special Weather Statement	BUF	Niagara	27 min
May 21, 6:37 PM EDT	Special Marine Warning	BUF		53 min
May 21, 6:51 PM EDT	Special Weather Statement	BUF	Cattaraugus	54 min
May 21, 7:05 PM EDT	Special Weather Statement	BUF	Niagara	55 min
May 21, 7:15 PM EDT	Severe Thunderstorm Warning	BUF	Allegany, Cattaraugus, Wyoming	60 min
May 21, 7:23 PM EDT	Special Marine Warning	BUF		2 hr
May 21, 7:26 PM EDT	Special Marine Warning	BUF		2 hr
May 21, 7:42 PM EDT	Special Weather Statement	BUF	Genesee, Orleans	63 min
May 21, 7:53 PM EDT	Areal Flood Warning	BUF	Cattaraugus, Chautauqua	6 hr
May 21, 7:58 PM EDT	Severe Thunderstorm Warning	BUF	Allegany, Cattaraugus, Erie, Genesee, Livingston, Wyoming	62 min

Nearby

Severe Thunderstorm Warnings in New York, 2022 Every 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.