Alert archive / New York / Special Marine Warnings in 2012

Special Marine Warning 21, NWS Buffalo, NY

July 26, 2012

NWS Buffalo, NY issued this special marine warning at Jul 26, 2012, 4:02 AM EDT. It was in force for 43 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
Jul 26, 2012, 4:02 AM EDT (08:02 UTC)
Expired
Jul 26, 2012, 4:45 AM EDT
In force
43 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon

The radar

The Buffalo radar (KBUF), 75 km from the middle of the area, began a volume at 08:03 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 (KPIT), launched 00:00Z, 8.0 hours before the alert went out and 239 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-pSkew-T log-p diagram, Pittsburgh, PA at 00:00Z on 2012-07-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 00:00Z on 2012-07-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 82 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
2457 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
82 m²/s²
0-3 km storm-relative helicity
169 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.

052 
WHUS51 KBUF 260802
SMWBUF
LEZ040-041-061-260845-
/O.NEW.KBUF.MA.W.0021.120726T0802Z-120726T0845Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
402 AM EDT THU JUL 26 2012

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SPECIAL MARINE WARNING FOR...
  LAKE ERIE FROM SILVER CREEK TO RIPLEY

* UNTIL 445 AM EDT

* AT 358 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF THUNDERSTORMS...PRODUCING STRONG WINDS OVER 35 KNOTS... 
  FROM 10 NM WEST OF DUNKIRK TO 15 NM WEST OF RIPLEY...MOVING
  SOUTHEAST AT 60 KNOTS.

* THESE STRONG THUNDERSTORMS WILL BE NEAR...
  SILVER CREEK...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ALL MARINE INTERESTS SHOULD REMAIN ALERT AND SMALL BOATS TAKE SHELTER
IMMEDIATELY.

&&

LAT...LON 4234 7981 4242 7984 4266 7938 4273 7921
      4269 7904 4264 7906 4261 7911 4255 7914
      4253 7924 4248 7933 4249 7935 4240 7946
      4230 7967 4228 7973
TIME...MOT...LOC 0802Z 322DEG 58KT 4252 7951 4219 8001

$$

TMA
1 follow-up statement
359 
FZUS71 KBUF 260849
MWSBUF

MARINE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
449 AM EDT THU JUL 26 2012

LEZ040-041-061-260859-
/O.EXP.KBUF.MA.W.0021.000000T0000Z-120726T0845Z/
449 AM EDT THU JUL 26 2012

...SPECIAL MARINE WARNING HAS EXPIRED...

THE THUNDERSTORMS THAT PROMPTED THE WARNING HAVE MOVED AWAY FROM THE
AREA.

LAT...LON 4234 7981 4242 7984 4266 7938 4273 7921
      4269 7904 4264 7906 4261 7911 4255 7914
      4253 7924 4248 7933 4249 7935 4240 7946
      4230 7967 4228 7973
TIME...MOT...LOC 0802Z 322DEG 58KT 4252 7951 4219 8001

$$

TMA

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 26, 2:38 AM EDTSpecial Marine WarningBUF39 min
Jul 26, 2:53 AM EDTSevere Thunderstorm WarningBUFErie, Niagara52 min
Jul 26, 2:59 AM EDTSpecial Marine WarningBUF61 min
Jul 26, 3:11 AM EDTSpecial Marine WarningBUF64 min
Jul 26, 3:20 AM EDTSevere Thunderstorm WarningBUFCattaraugus, Chautauqua, Erie55 min
Jul 26, 3:32 AM EDTSevere Thunderstorm WarningBUFGenesee, Wyoming43 min
Jul 26, 4:27 AM EDTSpecial Weather StatementBUFCattaraugus, Chautauqua63 min
Jul 26, 4:30 AM EDTSevere Thunderstorm WarningBUFCattaraugus, Chautauqua33 min
Jul 26, 1:07 PM EDTSpecial Weather StatementBUFCattaraugus, Chautauqua68 min
Jul 26, 1:16 PM EDTSevere Thunderstorm WarningBUFCattaraugus, Chautauqua59 min
Jul 26, 1:37 PM EDTSevere Thunderstorm WarningBUFCattaraugus, Chautauqua38 min
Jul 26, 2:12 PM EDTSevere Thunderstorm WarningBUFAllegany, Cattaraugus48 min
Jul 26, 2:18 PM EDTSevere Thunderstorm WarningBUFAllegany, Cattaraugus42 min
Jul 26, 2:39 PM EDTSevere Thunderstorm WarningBUFAllegany51 min

Nearby

Special Marine Warnings in New York, 2012Every special marine warning in 2012

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.