Alert archive / New York / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 13, NWS Albany, NY

May 1, 2017Greene County, Ulster County, New York

NWS Albany, NY issued this severe thunderstorm warning at May 1, 2017, 9:17 PM EDT for Greene County, Ulster County, New York. It was in force for 28 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, 9:17 PM EDT (01:17 UTC)
Expired: May 1, 2017, 9:45 PM EDT
In force: 28 min
Issued by: NWS Albany, NY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Greene County, NY, Ulster County, NY

The radar

The Albany radar (KENX), 67 km from the middle of the area, began a volume at 01:21 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, 6:52 PM EDT	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Albany, NY (KALY), launched 00:00Z, 1.3 hours before the alert went out and 88 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: 973 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 271 m²/s²
0-3 km storm-relative helicity: 361 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

742 
WUUS51 KALY 020117
SVRALY
NYC039-111-020145-
/O.NEW.KALY.SV.W.0013.170502T0117Z-170502T0145Z/

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

The National Weather Service in Albany has issued a

* Severe Thunderstorm Warning for...
  Northwestern Ulster County in east central New York...
  Southwestern Greene County in east central New York...

* Until 945 PM EDT

* At 917 PM EDT, severe thunderstorms were located along a line
  extending from near Prattsville to near Jeffersonville, moving east
  at 35 mph.

  HAZARD...60 mph wind gusts. 

  SOURCE...Radar indicated. 

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

* Severe thunderstorms will be near, 
  Prattsville around 920 PM EDT. 

Other locations impacted by these severe thunderstorms include
Mapledale, West Settlement, Mosquito Point, North Lexington, Big
Indian, Oliverea, Lexington, Dairyland, Allaben and Four Corners.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Please report hail size...damaging winds and reports of trees down to
the National Weather Service by email at Alb.Stormreport@noaa.gov...
On Facebook at www.facebook.com/nwsalbany or twitter @nwsalbany

&&

LAT...LON 4172 7454 4175 7457 4182 7450 4188 7447
      4202 7478 4212 7456 4215 7453 4214 7450
      4217 7445 4220 7454 4235 7443 4236 7444
      4237 7441 4236 7425
TIME...MOT...LOC 0117Z 278DEG 31KT 4236 7445 4184 7492 

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

NAS

The office that day

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

Issued	Product	Office	Counties	Lasted
May 1, 8:13 PM EDT	Severe Thunderstorm Warning	ALY	Hamilton, Warren	62 min
May 1, 8:31 PM EDT	Severe Thunderstorm Warning	ALY	Fulton, Hamilton, Herkimer, Montgomery, Saratoga, Warren	44 min
May 1, 8:49 PM EDT	Severe Thunderstorm Warning	ALY	Schoharie	41 min
May 1, 8:57 PM EDT	Areal Flood Advisory	ALY	Fulton, Herkimer, Montgomery	3 hr
May 1, 9:06 PM EDT	Severe Thunderstorm Warning	ALY	Fulton, Hamilton, Montgomery, Saratoga, Warren	22 min
May 1, 9:25 PM EDT	Severe Thunderstorm Warning	ALY	Albany, Greene, Saratoga, Schenectady, Schoharie, Ulster	39 min
May 1, 9:55 PM EDT	Severe Thunderstorm Warning	ALY	Rensselaer, Washington	29 min
May 1, 11:03 PM EDT	Special Weather Statement	ALY	Greene	42 min
May 2, 12:06 AM EDT	Special Weather Statement	ALY	Columbia, Rensselaer	54 min
May 2, 12:19 AM EDT	Special Weather Statement	ALY	Ulster	26 min
May 2, 12:38 AM EDT	Special Weather Statement	ALY	Greene	37 min

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.