Alert archive / New York / Special Weather Statements in 2015

Special Weather Statement, NWS Buffalo, NY

May 27, 2015Niagara County, New York

NWS Buffalo, NY issued this special weather statement at May 27, 2015, 6:19 PM EDT for Niagara County, New York. It was in force for 41 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 27, 2015, 6:19 PM EDT (22:19 UTC)
Expired: May 27, 2015, 7:00 PM EDT
In force: 41 min
Issued by: NWS Buffalo, NY

County Niagara County, NY

The radar

The Buffalo radar (KBUF), 12 km from the middle of the area, began a volume at 22:22 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 nearest sounding before it

Pittsburgh, PA (KAGC), launched 12:00Z, 10.3 hours before the alert went out and 308 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: 683 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: -32 m²/s²
0-3 km storm-relative helicity: 30 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Buffalo, NY wrote its last area forecast discussion before this special weather statement went out at May 27, 3:17 PM EDT, 3 hours 2 minutes earlier.

Area forecast discussion, May 27, 3:17 PM EDT, 3 hours 2 minutes before

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Hazardous weather outlook, May 27, 4:54 AM EDT, 13 hours 25 minutes before

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In the hours before

Special weather statement, May 27, 6:19 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
619 PM EDT WED MAY 27 2015

NYZ001-010-085-272300-
NORTHERN ERIE-NIAGARA-SOUTHERN ERIE-
619 PM EDT WED MAY 27 2015

...A STRONG THUNDERSTORM WILL AFFECT NIAGARA...NORTHEASTERN ERIE.

AT 616 PM EDT...A LINE OF STRONG THUNDERSTORMS WERE ABOUT 10 MILES
SOUTHWEST OF NIAGARA FALLS TO ABOUT 15 MILES SOUTHWEST OF
BUFFALO...MOVING EAST AT 40 MPH.

WIND GUSTS UP TO 50 MPH ARE POSSIBLE WITH THESE STORMS AS THEY MOVE
THROUGH THE AREA THROUGH 7 PM.

LOCATIONS IMPACTED INCLUDE...
BUFFALO...CHEEKTOWAGA...NIAGARA FALLS...WEST SENECA...NORTH
TONAWANDA...CLARENCE...LOCKPORT...LACKAWANNA...KENMORE...DEPEW...
AMHERST...TONAWANDA...LANCASTER...EAST AURORA...WILLIAMSVILLE...GRAND
ISLAND...ELMA...NEWFANE...PENDLETON AND MARILLA.

THIS INCLUDES INTERSTATE 90 BETWEEN EXITS 56 AND 49.

THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

LAT...LON 4314 7904 4326 7906 4336 7863 4337 7846
      4287 7846 4287 7849 4279 7849 4275 7889
      4278 7885 4284 7886 4299 7894 4296 7894
      4300 7902 4307 7900 4304 7890 4300 7894
      4302 7889 4304 7889 4307 7895 4308 7907
TIME...MOT...LOC 2216Z 254DEG 37KT 4303 7924

CHURCH

The office that day

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

Issued	Product	Office	Counties	Lasted
May 27, 4:19 AM EDT	Small Craft Advisory	BUF		15 hr
May 27, 6:03 PM EDT	Special Marine Warning	BUF		87 min
May 27, 7:02 PM EDT	Special Marine Warning	BUF		58 min
May 27, 7:35 PM EDT	Special Weather Statement	BUF	Genesee, Livingston, Wyoming	40 min
May 27, 7:53 PM EDT	Severe Thunderstorm Warning	BUF	Genesee, Livingston, Monroe, Ontario, Wyoming	26 min

Nearby

Special Weather Statements in New York, 2015 Every special weather statement in 2015

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.