Alert archive / New York / Special Weather Statements in 2012

Special Weather Statement, NWS Buffalo, NY

August 5, 2012Monroe County, New York

NWS Buffalo, NY issued this special weather statement at Aug 5, 2012, 7:04 PM EDT for Monroe County, New York. It was in force for 56 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
Aug 5, 2012, 7:04 PM EDT (23:04 UTC)
Expired
Aug 5, 2012, 8:00 PM EDT
In force
56 min
Issued by
NWS Buffalo, NY

County Monroe County, NY

The radar

The Buffalo radar (KBUF), 66 km from the middle of the area, began a volume at 23:07 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, 11.1 hours before the alert went out and 64 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, Buffalo Intl Airport, NY at 12:00Z on 2012-08-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 128 joules per kilogram.LCLLFCEL10008507005003002001001 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, Buffalo Intl Airport, NY at 12:00Z on 2012-08-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 177 square meters per square second.19395878Sfc1 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
128 J/kg
Mixed-layer CIN
-41 J/kg
Mixed-layer LCL
1179 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
177 m²/s²
0-3 km storm-relative helicity
142 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

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

881 
WWUS81 KBUF 052304
SPSBUF

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
704 PM EDT SUN AUG 5 2012

NYZ001>003-010-011-060000-
ERIE NY-GENESEE NY-MONROE NY-NIAGARA NY-ORLEANS NY-
704 PM EDT SUN AUG 5 2012

...THUNDERSTORMS CROSSING THE LOWER GENESEE VALLEY...

* AT 700 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF STRONG THUNDERSTORMS CAPABLE OF PRODUCING VERY HEAVY RAIN. 
  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM ALBION TO 8
  MILES WEST OF OAKFIELD...AND MOVING EAST AT 25 MPH.

SOUTHEASTERN ORLEANS COUNTY...NORTHERN GENESEE COUNTY AND PORTIONS 
OF WESTERN MONROE COUNTY COULD PICK UP AS MUCH AS A HALF INCH OF 
RAIN WITH THIS LINE OF CONVECTION. 

LAT...LON 4335 7810 4324 7754 4300 7771 4304 7857

$$
RSH

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 5, 11:53 AM EDTSpecial Marine WarningBUF2 hr
Aug 5, 12:55 PM EDTSevere Thunderstorm WarningBUFCattaraugus, Chautauqua, Erie50 min
Aug 5, 1:24 PM EDTSevere Thunderstorm WarningBUFErie51 min
Aug 5, 1:36 PM EDTSevere Thunderstorm WarningBUFErie39 min
Aug 5, 1:56 PM EDTSevere Thunderstorm WarningBUFMonroe49 min
Aug 5, 2:12 PM EDTSevere Thunderstorm WarningBUFGenesee28 min
Aug 5, 2:27 PM EDTSevere Thunderstorm WarningBUFGenesee, Livingston, Wyoming33 min
Aug 5, 2:34 PM EDTSpecial Marine WarningBUF56 min
Aug 5, 2:40 PM EDTSevere Thunderstorm WarningBUFWayne50 min
Aug 5, 2:44 PM EDTSevere Thunderstorm WarningBUFMonroe21 min
Aug 5, 2:54 PM EDTSpecial Marine WarningBUF96 min
Aug 5, 2:57 PM EDTSevere Thunderstorm WarningBUFMonroe, Ontario33 min
Aug 5, 3:11 PM EDTSevere Thunderstorm WarningBUFCayuga, Oswego64 min
Aug 5, 3:42 PM EDTSevere Thunderstorm WarningBUFJefferson, Lewis, Oswego63 min
Aug 5, 3:49 PM EDTSevere Thunderstorm WarningBUFJefferson26 min
Aug 5, 3:57 PM EDTFlash Flood WarningBUFJefferson111 min
Aug 5, 4:11 PM EDTSevere Thunderstorm WarningBUFJefferson, Lewis49 min
Aug 5, 4:13 PM EDTSevere Thunderstorm WarningBUFOswego32 min
Aug 5, 4:32 PM EDTAreal Flood AdvisoryBUFJefferson77 min

Nearby

Special Weather Statements in New York, 2012Every special weather statement 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.