Alert archive / New York / Special Weather Statements in 2017

Special Weather Statement, NWS Buffalo, NY

June 15, 2017Livingston County, Monroe County, New York

NWS Buffalo, NY issued this special weather statement at Jun 15, 2017, 10:17 AM EDT for Livingston County, Monroe County, New York. It was in force for 58 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: Jun 15, 2017, 10:17 AM EDT (14:17 UTC)
Expired: Jun 15, 2017, 11:15 AM EDT
In force: 58 min
Issued by: NWS Buffalo, NY

Counties Livingston County, NY, Monroe County, NY

The radar

The Buffalo radar (KBUF), 90 km from the middle of the area, began a volume at 14:21 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 nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 2.3 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: 1392 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 90 m²/s²
0-3 km storm-relative helicity: 100 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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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 Jun 15, 7:09 AM EDT, 3 hours 8 minutes earlier.

Area forecast discussion, Jun 15, 7:09 AM EDT, 3 hours 8 minutes before

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Hazardous weather outlook, Jun 15, 5:04 AM EDT, 5 hours 13 minutes before

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In the hours before

Special weather statement, Jun 15, 9:16 AM EDT, 1 hour 1 minute before

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Special weather statement, Jun 15, 10:17 AM EDT, 0 minutes before

Special Weather Statement
National Weather Service Buffalo NY
1017 AM EDT THU JUN 15 2017

NYZ003-011>014-151515-
Ontario-Livingston-Wyoming-Genesee-Monroe-
1017 AM EDT THU JUN 15 2017

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT NORTHEASTERN WYOMING...
NORTHERN LIVINGSTON...MONROE...EASTERN GENESEE AND NORTHWESTERN
ONTARIO COUNTIES...

At 1015 AM EDT, radar indicated strong thunderstorms were located
along a line extending from near Byron to near Perry. Movement was
northeast at 25 mph.

Torrential rainfall is occurring with these storms, and may cause
ponding of water on roadways and localized flooding in the Rochester
Metro area. In addition, winds in excess of 30 mph and pea size hail
are possible with these storms.

Locations impacted include...
Rochester, Greece, Irondequoit, Chili, Geneseo, East Rochester,
Webster, Fairport, Brighton and Gates-North Gates.

This includes the following highways...
 Interstate 390 between exits 7 and 12.
 Interstate 90 between exits 47 and 44.

LAT...LON 4264 7799 4313 7806 4313 7800 4317 7800
      4333 7764 4328 7754 4332 7737 4328 7736
      4327 7738 4304 7737 4303 7733 4280 7730
TIME...MOT...LOC 1415Z 245DEG 21KT 4309 7800 4274 7795

Church

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 15, 9:16 AM EDT	Special Weather Statement	BUF	Genesee	59 min
Jun 15, 11:24 AM EDT	Special Weather Statement	BUF	Ontario, Wayne	66 min
Jun 15, 11:41 AM EDT	Flash Flood Watch	BUF	Allegany, Cattaraugus, Chautauqua, Erie, Genesee, Livingston and 4 more	11 hr
Jun 15, 3:46 PM EDT	Special Weather Statement	BUF	Allegany, Cattaraugus, Livingston, Ontario, Wyoming	3 hr
Jun 15, 4:16 PM EDT	Severe Thunderstorm Warning	BUF	Livingston, Ontario	44 min
Jun 15, 4:54 PM EDT	Severe Thunderstorm Warning	BUF	Ontario	66 min
Jun 15, 4:54 PM EDT	Severe Thunderstorm Warning	BUF	Genesee, Livingston, Monroe	51 min
Jun 15, 5:19 PM EDT	Flash Flood Warning	BUF	Allegany, Cattaraugus, Livingston, Ontario, Wyoming	7 hr
Jun 15, 5:26 PM EDT	Severe Thunderstorm Warning	BUF	Livingston, Ontario	64 min
Jun 15, 5:26 PM EDT	Severe Thunderstorm Warning	BUF	Genesee, Monroe, Orleans	49 min
Jun 15, 5:46 PM EDT	Severe Thunderstorm Warning	BUF	Monroe	29 min
Jun 15, 5:53 PM EDT	Special Marine Warning	BUF		52 min
Jun 15, 6:31 PM EDT	Special Weather Statement	BUF	Allegany	29 min
Jun 15, 6:42 PM EDT	Special Weather Statement	BUF	Monroe	63 min
Jun 15, 7:05 PM EDT	Flash Flood Warning	BUF	Livingston, Monroe, Ontario	3 hr

Nearby

Special Weather Statements in New York, 2017 Every special weather statement 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.