Alert archive / New York / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 21, NWS Binghamton, NY

May 1, 20174 counties in New York

NWS Binghamton, NY issued this severe thunderstorm warning at May 1, 2017, 5:42 PM EDT for 4 counties in New York. It was in force for 48 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 1, 2017, 5:42 PM EDT (21:42 UTC)
Expired: May 1, 2017, 6:30 PM EDT
In force: 48 min
Issued by: NWS Binghamton, NY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Cayuga County, NY, Seneca County, NY, Steuben County, NY, Yates County, NY

The radar

The Binghamton radar (KBGM), 110 km from the middle of the area, began a volume at 21:44 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 1, 2:12 PM EDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 9.7 hours before the alert went out and 131 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1242 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 306 m²/s²
0-3 km storm-relative helicity: 318 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

636 
WUUS51 KBGM 012142
SVRBGM
NYC011-099-101-123-012230-
/O.NEW.KBGM.SV.W.0021.170501T2142Z-170501T2230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Binghamton NY
542 PM EDT MON MAY 1 2017

The National Weather Service in Binghamton has issued a

* Severe Thunderstorm Warning for...
  Seneca County in central New York...
  Yates County in central New York...
  Northwestern Cayuga County in central New York...
  North central Steuben County in central New York...

* Until 630 PM EDT

* At 542 PM EDT, severe thunderstorms were located along a line
  extending from near Ferguson Corners to Branchport, moving
  northeast at 55 mph.

  HAZARD...60 mph wind gusts. 

  SOURCE...Radar indicated. 

  IMPACT...Expect damage to roofs, siding, and trees. 

* Severe thunderstorms will be near, 
  Benton and Ferguson Corners around 545 PM EDT. 
  Penn Yan and Milo Center around 550 PM EDT. 
  Dresden and Mays Mills around 555 PM EDT. 
  Waterloo, Willard and Kendaia around 600 PM EDT. 
  Seneca Falls, Romulus and Cayuga around 605 PM EDT. 
  Aurora, Levanna and Canoga around 610 PM EDT. 
  Auburn, Sennett and Union Springs around 615 PM EDT. 
  Fleming around 620 PM EDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

A tornado watch remains in effect until 1000 PM EDT for central New
York.

LAT...LON 4258 7737 4267 7737 4276 7731 4277 7697
      4301 7696 4302 7649 4283 7648 4246 7741
      4258 7742
TIME...MOT...LOC 2142Z 239DEG 50KT 4280 7715 4259 7716 

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

PCF

1 follow-up statement

777 
WWUS51 KBGM 012208
SVSBGM

Severe Weather Statement
National Weather Service Binghamton NY
608 PM EDT MON MAY 1 2017

NYC101-012217-
/O.CAN.KBGM.SV.W.0021.000000T0000Z-170501T2230Z/
Steuben NY-
608 PM EDT MON MAY 1 2017

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL STEUBEN COUNTY
IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A tornado watch remains in effect until 1000 PM EDT for central New
York.

LAT...LON 4274 7671 4265 7695 4277 7701 4277 7697
      4301 7696 4302 7649 4283 7648
TIME...MOT...LOC 2207Z 231DEG 47KT 4302 7690 4278 7673 

$$

NYC011-099-123-012230-
/O.CON.KBGM.SV.W.0021.000000T0000Z-170501T2230Z/
Seneca NY-Yates NY-Cayuga NY-
608 PM EDT MON MAY 1 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR SENECA...NORTHEASTERN YATES AND NORTHWESTERN CAYUGA COUNTIES...

At 607 PM EDT, severe thunderstorms were located along a line
extending from near Clyde to near Aurora, moving northeast at 55 mph.

HAZARD...60 mph wind gusts. 

SOURCE...Radar indicated. 

IMPACT...Expect damage to roofs, siding, and trees. 

These severe storms will be near...
  Lehigh Vly Jct around 610 PM EDT. 
  Union Springs and Cayuga around 615 PM EDT. 
  Auburn, Fleming and Throopsville around 620 PM EDT. 
  Sennett and Melrose Park around 625 PM EDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

A tornado watch remains in effect until 1000 PM EDT for central New
York.

LAT...LON 4274 7671 4265 7695 4277 7701 4277 7697
      4301 7696 4302 7649 4283 7648
TIME...MOT...LOC 2207Z 231DEG 47KT 4302 7690 4278 7673 

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

PCF

The office that day

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

Issued	Product	Office	Counties	Lasted
May 1, 4:55 PM EDT	Severe Thunderstorm Warning	BGM	Steuben	50 min
May 1, 5:02 PM EDT	Severe Thunderstorm Warning	BGM	Steuben, Yates	43 min
May 1, 5:40 PM EDT	Severe Thunderstorm Warning	BGM	Chemung, Schuyler, Seneca, Steuben, Yates	50 min
May 1, 6:14 PM EDT	Severe Thunderstorm Warning	BGM	Cayuga, Cortland, Onondaga, Schuyler, Seneca, Tompkins	46 min
May 1, 6:23 PM EDT	Areal Flood Advisory	BGM	Cayuga, Cortland, Onondaga, Tompkins	112 min
May 1, 6:24 PM EDT	Severe Thunderstorm Warning	BGM	Chemung, Cortland, Schuyler, Steuben, Tioga, Tompkins	66 min
May 1, 6:30 PM EDT	Severe Thunderstorm Warning	BGM	Cayuga, Madison, Oneida, Onondaga	60 min
May 1, 6:49 PM EDT	Severe Thunderstorm Warning	BGM	Cortland, Madison, Oneida, Onondaga	56 min
May 1, 7:02 PM EDT	Areal Flood Advisory	BGM	Madison, Oneida	118 min
May 1, 7:14 PM EDT	Severe Thunderstorm Warning	BGM	Broome, Chenango, Cortland, Madison, Tioga, Tompkins	61 min
May 1, 7:16 PM EDT	Severe Thunderstorm Warning	BGM	Madison, Oneida	59 min
May 1, 7:41 PM EDT	Areal Flood Advisory	BGM	Broome	2 hr
May 1, 7:47 PM EDT	Areal Flood Advisory	BGM	Steuben	3 hr

Nearby

Severe Thunderstorm Warnings in New York, 2017 Every severe thunderstorm warning in 2017

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.