Alert archive / New York / Special Marine Warnings in 2014

Special Marine Warning 21, NWS Buffalo, NY

June 17, 2014

NWS Buffalo, NY issued this special marine warning at Jun 17, 2014, 6:28 PM EDT. It was in force for 92 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: Jun 17, 2014, 6:28 PM EDT (22:28 UTC)
Expired: Jun 17, 2014, 8:00 PM EDT
In force: 92 min
Issued by: NWS Buffalo, NY
Area: Storm-based polygon

The radar

The Buffalo radar (KBUF), 50 km from the middle of the area, began a volume at 22:28 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
Jun 17, 7:52 PM EDT	TSTM WND DMG	Wilson, NY	TREES AND POWER LINES DOWN ACROSS TOWNSHIP

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, 10.5 hours before the alert went out and 51 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: 128 J/kg
Mixed-layer CIN: -86 J/kg
Mixed-layer LCL: 1154 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 83 m²/s²
0-3 km storm-relative helicity: 144 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

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

086 
WHUS51 KBUF 172228
SMWBUF
LOZ030-042-062-180000-
/O.NEW.KBUF.MA.W.0021.140617T2228Z-140618T0000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
628 PM EDT TUE JUN 17 2014

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SPECIAL MARINE WARNING FOR...
  THE LOWER NIAGARA RIVER
  LAKE ONTARIO FROM THE NIAGARA RIVER TO HAMLIN BEACH

* UNTIL 800 PM EDT

* AT 625 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A THUNDERSTORM...PRODUCING STRONG WINDS OVER 35 KNOTS AND          
  POTENTIALLY LARGE HAIL...  ABOUT 10 NM EAST OF BURLINGTON...MOVING 
  EAST AT 45 KNOTS.

* THIS STRONG THUNDERSTORM WILL BE NEAR...
  THE MOUTH OF THE NIAGARA RIVER...
  WILSON...
  OLCOTT...
  THIRTY-MILE POINT...
  POINT BREEZE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BOATERS SHOULD GO TO A SAFE HARBOR IMMEDIATELY. IF POSSIBLE REMAIN 
BELOW DECK TO AVOID THE THREAT OF LIGHTNING AND LARGE HAIL. STRONG 
GUSTY WINDS AND HIGH WAVES MAY QUICKLY CAPSIZE YOUR CRAFT. BOATS IN 
PORT SHOULD NOT VENTURE OUT UNTIL THE STORM HAS PASSED.

&&

LAT...LON 4360 7795 4336 7796 4337 7853 4326 7905
      4323 7904 4324 7906 4340 7917
TIME...MOT...LOC 2226Z 259DEG 44KT 4325 7949

$$

JJR

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 17, 2:15 PM EDT	Special Weather Statement	BUF	Monroe	60 min
Jun 17, 2:20 PM EDT	Special Weather Statement	BUF	Livingston	55 min
Jun 17, 2:28 PM EDT	Severe Thunderstorm Warning	BUF	Livingston, Ontario, Wyoming	62 min
Jun 17, 2:40 PM EDT	Severe Thunderstorm Warning	BUF	Monroe, Ontario, Wayne	65 min
Jun 17, 2:41 PM EDT	Special Marine Warning	BUF		64 min
Jun 17, 3:15 PM EDT	Special Marine Warning	BUF		45 min
Jun 17, 3:58 PM EDT	Special Marine Warning	BUF		62 min
Jun 17, 6:33 PM EDT	Special Marine Warning	BUF		57 min
Jun 17, 7:00 PM EDT	Special Marine Warning	BUF		60 min
Jun 17, 7:08 PM EDT	Severe Thunderstorm Warning	BUF	Monroe, Niagara, Orleans	67 min
Jun 17, 7:27 PM EDT	Special Marine Warning	BUF		33 min
Jun 17, 7:29 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson, Lewis	46 min
Jun 17, 7:39 PM EDT	Severe Thunderstorm Warning	BUF	Erie, Genesee, Monroe, Niagara, Orleans, Wyoming	66 min
Jun 17, 7:56 PM EDT	Special Marine Warning	BUF		64 min
Jun 17, 7:59 PM EDT	Special Marine Warning	BUF		91 min

Nearby

Special Marine Warnings in New York, 2014 Every special marine warning in 2014

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.