Alert archive / New York / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 3, NWS Buffalo, NY

May 29, 2016Monroe County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at May 29, 2016, 5:27 PM EDT for Monroe County, New York. It was in force for 21 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: May 29, 2016, 5:27 PM EDT (21:27 UTC)
Expired: May 29, 2016, 5:48 PM EDT
In force: 21 min
Issued by: NWS Buffalo, NY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Monroe County, NY

The radar

The Buffalo radar (KBUF), 74 km from the middle of the area, began a volume at 21:30 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.

What was reported inside it

Time	Report	Where	Remark
May 29, 5:30 PM EDT	TSTM WND DMG	1 Nw Mumford, NY	TREE DOWN AT OATKA CREEK RD AND RTE. 36

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 9.5 hours before the alert went out and 71 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: 316 J/kg
Mixed-layer CIN: -102 J/kg
Mixed-layer LCL: 1116 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: -1 m²/s²
0-3 km storm-relative helicity: 51 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

500 
WUUS51 KBUF 292127
SVRBUF
NYC055-292230-
/O.NEW.KBUF.SV.W.0003.160529T2127Z-160529T2230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
527 PM EDT SUN MAY 29 2016

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN MONROE COUNTY IN WESTERN NEW YORK...

* UNTIL 630 PM EDT

* AT 527 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR CHURCHVILLE...
  OR NEAR CHILI...MOVING EAST AT 10 MPH.

  HAZARD...60 MPH WIND GUSTS AND PENNY SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  ROCHESTER...GREECE...CHILI...BRIGHTON...GATES-NORTH GATES...HENRIETTA...
  SCOTTSVILLE AND CHURCHVILLE.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 INTERSTATE 390 NEAR EXIT 12.
 INTERSTATE 90 NEAR EXIT 46.

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 4304 7791 4304 7792 4309 7793 4310 7792
      4313 7791 4324 7763 4303 7756 4299 7791
TIME...MOT...LOC 2127Z 253DEG 9KT 4305 7786 

HAIL...0.75IN
WIND...60MPH
 
$$

WOOD

1 follow-up statement

777 
WWUS51 KBUF 292148
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
548 PM EDT SUN MAY 29 2016

NYC055-292157-
/O.CAN.KBUF.SV.W.0003.000000T0000Z-160529T2230Z/
MONROE NY-
548 PM EDT SUN MAY 29 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN MONROE COUNTY IS
CANCELLED...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING HAS BEEN CANCELLED.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
BUFFALO.

LAT...LON 4304 7791 4304 7792 4309 7793 4310 7792
      4313 7791 4324 7763 4303 7756 4299 7791
TIME...MOT...LOC 2145Z 253DEG 9KT 4306 7780 

$$

WOOD

The office that day

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

Issued	Product	Office	Counties	Lasted
May 29, 12:59 PM EDT	Special Weather Statement	BUF	Allegany	31 min
May 29, 1:15 PM EDT	Special Weather Statement	BUF	Ontario, Wayne	45 min
May 29, 1:43 PM EDT	Special Weather Statement	BUF	Allegany	32 min
May 29, 2:03 PM EDT	Special Weather Statement	BUF	Ontario, Wayne	42 min
May 29, 2:39 PM EDT	Special Weather Statement	BUF	Lewis	51 min
May 29, 2:49 PM EDT	Special Weather Statement	BUF	Ontario	26 min
May 29, 3:09 PM EDT	Special Weather Statement	BUF	Oswego	36 min
May 29, 3:19 PM EDT	Special Weather Statement	BUF	Ontario	56 min
May 29, 3:37 PM EDT	Special Weather Statement	BUF	Lewis	23 min
May 29, 4:17 PM EDT	Special Weather Statement	BUF	Livingston	28 min
May 29, 4:30 PM EDT	Special Weather Statement	BUF	Monroe	30 min
May 29, 4:40 PM EDT	Severe Thunderstorm Warning	BUF	Livingston, Monroe, Ontario	35 min
May 29, 5:06 PM EDT	Special Marine Warning	BUF		54 min
May 29, 5:16 PM EDT	Special Weather Statement	BUF	Ontario	44 min
May 29, 6:41 PM EDT	Flash Flood Warning	BUF	Livingston, Monroe, Ontario	3 hr

Nearby

Severe Thunderstorm Warnings in New York, 2016 Every severe thunderstorm warning in 2016

Sources

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