Alert archive / New York / Special Marine Warnings in 2017

Special Marine Warning 21, NWS Buffalo, NY

May 30, 2017

NWS Buffalo, NY issued this special marine warning at May 30, 2017, 1:52 AM EDT. It was in force for 83 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 30, 2017, 1:52 AM EDT (05:52 UTC)
Expired: May 30, 2017, 3:15 AM EDT
In force: 83 min
Issued by: NWS Buffalo, NY
Area: Storm-based polygon
Hail: 0.0 in
Wind: 34.0 mph

The radar

The Buffalo radar (KBUF), 89 km from the middle of the area, began a volume at 05:56 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 00:00Z, 5.9 hours before the alert went out and 90 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: 2549 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 116 m²/s²
0-3 km storm-relative helicity: 119 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

013 
WHUS51 KBUF 300552
SMWBUF
LEZ040-041-061-300715-
/O.NEW.KBUF.MA.W.0021.170530T0552Z-170530T0715Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
152 AM EDT TUE MAY 30 2017

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SPECIAL MARINE WARNING FOR...
  LAKE ERIE FROM RIPLEY TO DUNKIRK...

* UNTIL 315 AM EDT.

* AT 151 AM EDT...A STRONG THUNDERSTORM WAS LOCATED NEAR 
  ERIE...MOVING NORTHEAST AT 45 KNOTS.

  HAZARD...WIND GUSTS 34 KNOTS OR GREATER. 

  SOURCE...RADAR INDICATED. 

  IMPACT...SMALL CRAFT COULD BE DAMAGED IN BRIEFLY HIGHER WINDS AND 
           SUDDENLY HIGHER WAVES. 

* LOCATIONS IMPACTED INCLUDE...
  LAKE ERIE BEACH...VAN BUREN POINT...SUNSET BAY...ERIE...RIPLEY...
  BARCELONA...STURGEON POINT AND WANAKAH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO SAFE HARBOR UNTIL HAZARDOUS WEATHER PASSES.

&&

LAT...LON 4228 7973 4234 7982 4248 7985 4266 7938
      4252 7917 4246 7932 4243 7938 4238 7943
      4228 7963
TIME...MOT...LOC 0551Z 240DEG 43KT 4215 8019 

HAIL...0.00IN
WIND...>34KTS

$$

RSH

2 follow-up statements

104 
FZUS71 KBUF 300632
MWSBUF

MARINE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
232 AM EDT TUE MAY 30 2017

LEZ040-041-061-300715-
/O.CON.KBUF.MA.W.0021.000000T0000Z-170530T0715Z/
232 AM EDT TUE MAY 30 2017

...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 315 AM EDT...

FOR THE FOLLOWING AREAS...
  LAKE ERIE FROM RIPLEY TO DUNKIRK...

AT 231 AM EDT...A STRONG THUNDERSTORM WAS LOCATED NEAR RIPLEY...
MOVING NORTHEAST AT 45 KNOTS.

HAZARD...WIND GUSTS 34 KNOTS OR GREATER. 

SOURCE...RADAR INDICATED. 

IMPACT...SMALL CRAFT COULD BE DAMAGED IN BRIEFLY HIGHER WINDS AND 
         SUDDENLY HIGHER WAVES. 

LOCATIONS IMPACTED INCLUDE...
VAN BUREN POINT...SUNSET BAY...BARCELONA...LAKE ERIE BEACH...STURGEON
POINT...RIPLEY AND WANAKAH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO SAFE HARBOR UNTIL HAZARDOUS WEATHER PASSES.

&&

LAT...LON 4228 7973 4234 7982 4248 7985 4266 7938
      4252 7917 4246 7932 4243 7938 4238 7943
      4228 7963
TIME...MOT...LOC 0631Z 241DEG 43KT 4236 7962 

HAIL...0.00IN
WIND...>34KTS

$$

RSH

806 
FZUS71 KBUF 300656
MWSBUF

MARINE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
256 AM EDT TUE MAY 30 2017

LEZ040-041-061-300705-
/O.CAN.KBUF.MA.W.0021.000000T0000Z-170530T0715Z/
256 AM EDT TUE MAY 30 2017

...THE SPECIAL MARINE WARNING IS CANCELLED...

THE AFFECTED AREAS WERE... 
  LAKE ERIE FROM RIPLEY TO DUNKIRK...

THE THUNDERSTORMS HAVE WEAKENED AND MOVED INLAND SO THEY NO 
LONGER POSE A THREAT TO BOATERS.

LAT...LON 4228 7973 4234 7982 4248 7985 4266 7938
      4252 7917 4246 7932 4243 7938 4238 7943
      4228 7963
TIME...MOT...LOC 0648Z 240DEG 43KT 4251 7927 

$$

RSH

The office that day

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

Issued	Product	Office	Counties	Lasted
May 30, 1:14 AM EDT	Special Marine Warning	BUF		61 min
May 30, 1:05 PM EDT	Special Weather Statement	BUF	Allegany	25 min
May 30, 1:17 PM EDT	Special Weather Statement	BUF	Wayne	28 min
May 30, 1:18 PM EDT	Special Weather Statement	BUF	Ontario	27 min
May 30, 1:22 PM EDT	Special Weather Statement	BUF	Ontario	23 min
May 30, 1:32 PM EDT	Special Marine Warning	BUF		43 min
May 30, 1:34 PM EDT	Severe Thunderstorm Warning	BUF	Allegany, Cattaraugus, Erie, Livingston, Wyoming	30 min
May 30, 1:41 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga, Ontario, Wayne	49 min
May 30, 1:54 PM EDT	Special Weather Statement	BUF	Jefferson	36 min
May 30, 2:03 PM EDT	Severe Thunderstorm Warning	BUF	Allegany, Livingston	27 min
May 30, 2:10 PM EDT	Special Marine Warning	BUF		65 min
May 30, 2:10 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga, Oswego, Wayne	50 min
May 30, 2:21 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga, Ontario, Wayne	54 min
May 30, 3:13 PM EDT	Special Weather Statement	BUF	Ontario	32 min
May 30, 4:23 PM EDT	Special Weather Statement	BUF	Onondaga	22 min
May 30, 4:41 PM EDT	Special Weather Statement	BUF	Lewis	49 min

Nearby

Special Marine Warnings in New York, 2017 Every special marine 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.