Sullivan County, NY Tornado
April 22nd, 2023
By: Febe Rothenberg (Student Volunteer Summer 2023)
Summary:
An EF2 Tornado hit Sullivan County, NY on April 22nd, 2023. The path of damage was 10 miles long, but the worst damage was around Callicoon Center, NY.
Pre-Event:
WPC surface analysis at 18z
A low pressure system had moved north of Toronto with the warm front almost stationary.
SPC Day 1 Outlook Valid 4/22
The marginal risk got extended northward into NY which added a 2% tornado risk.
“For the Delmarva area and northward, locally damaging gusts will likely be the primary threat, though backed surface winds and increasing low-level shear/SRH may support a tornado or two as well.”
Storm Track and timing from Monroe County, PA to Sullivan County, NY
5:17 pm
Weak rotation over Monroe County, PA
5:29 pm
Rotation moves into Pike County, PA.
5:55 pm
Rotation begins to strengthen just south of Greeley, PA.
6:06 pm
Rotation starts to weaken over Greeley, PA.
6:12 pm
Rotation strengthens again by the Delaware River.
Tornado warning issued at 6:10 pm
6:15 pm
Rotation broadens.
6:19 pm
Rotation broadens and weakens.
6:32 pm
Rotation couplet tightens again.
6:40 pm
Tornado touches down on Callicoon Center Road.
6:43 pm
Severe Thunderstorm Warning with "Tornado possible" tag is issued to replace the Tornado Warning that will expire shortly.
Rotation tightens, but still no reports.
6:47 pm
Rotation becomes messy and disorganized with poor vertical continuity.
Tornado warning reissued at 6:49 pm
6:50 pm
Rotation weakens again. A possible debris signature appears.
6:57 pm
Odd, tight signature
7:01 pm
Gone!
