Alert archive / New York / Special Weather Statements in 2014

Special Weather Statement, NWS Buffalo, NY

August 5, 2014Cattaraugus County, New York

NWS Buffalo, NY issued this special weather statement at Aug 5, 2014, 2:22 PM EDT for Cattaraugus County, New York. It was in force for 38 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, 2014, 2:22 PM EDT (18:22 UTC)
Expired
Aug 5, 2014, 3:00 PM EDT
In force
38 min
Issued by
NWS Buffalo, NY

County Cattaraugus County, NY

The radar

The Buffalo radar (KBUF), 87 km from the middle of the area, began a volume at 18:24 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, 6.4 hours before the alert went out and 85 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 2014-08-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 429 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°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 2014-08-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 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
429 J/kg
Mixed-layer CIN
-42 J/kg
Mixed-layer LCL
837 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
68 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

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

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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 Aug 5, 1:18 PM EDT, 1 hour 4 minutes earlier.

Area forecast discussion, Aug 5, 1:18 PM EDT, 1 hour 4 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BUFFALO NY
118 PM EDT TUE AUG 5 2014

.SYNOPSIS...
A WEAK COLD FRONT WILL SETTLE ACROSS THE REGION THIS AFTERNOON...
BRINGING SCATTERED SHOWERS AND THUNDERSTORMS. HIGH PRESSURE WITH
SLIGHTLY COOLER AIR WILL MOVE ACROSS THE REGION BEHIND THE FRONT. A
FEW SHOWERS MAY STILL LINGER ON WEDNESDAY BEFORE DRY WEATHER RETURNS
BY THE END OF THE WEEK.

&&

.NEAR TERM /THROUGH WEDNESDAY/...
A MODEST SHORTWAVE WILL DIG INTO THE BASE OF A MEAN UPPER LEVEL
TROUGH OVER EASTERN CANADA/NEW ENGLAND TONIGHT. THIS SYSTEM WILL
PROVIDE THE LIKELIHOOD OF SHOWERS WITH SOME EMBEDDED THUNDERSTORMS
THROUGH THIS EVENING. CONVECTION OVER SOUTHERN ONTARIO AND FROM THE
SOUTHERN TIER TO FINGER LAKES WILL MOVE ACROSS THE ENTIRE AREA THIS
AFTERNOON AND EARLY EVENING. THINGS SHOULD DIMINISH TO ISOLATED
SHOWERS BY 03Z. LEFTOVER CLOUDS WILL REMAIN OVERNIGHT INTO EARLY
WEDNESDAY WITH ISOLATED -SHRA ESPECIALLY ACROSS THE SOUTHERN TIER.

ACTIVITY WILL DIMINISH FROM NORTH TO SOUTH TONIGHT AS HIGH
PRESSURE BUILDS DOWN BEHIND THE FRONT AND A NOTABLE AREA OF
SUBSIDENCE DEVELOPS ACROSS THE AREA IN ITS WAKE. CLOUDS WILL
GRADUALLY DECREASE ON WEDNESDAY...HOWEVER SCATTERED CONVECTION
POSSIBLE SOUTHERN TIER LATE WEDNESDAY MORNING INTO THE AFTERNOON IN
CLOSER PROXIMITY TO COLD FRONT.

&&

.SHORT TERM /WEDNESDAY NIGHT THROUGH THURSDAY/...
WHILE RIDGING BUILDS AT THE SURFACE...THE PERSISTENT UPPER TROUGH
MOVES TO OUR EAST DURING THE PERIOD. DIURNALLY DRIVEN SHOWERS ARE
EXPECTED BOTH WEDNESDAY AND THURSDAY. ON WEDNESDAY LINGERING
MOISTURE WILL RESULT IN THE SHOWERS/TSTMS ACROSS THE INLAND AREAS
WITH THE GREATEST THREAT ACROSS THE SOUTHERN TIER. ON THURSDAY THE
DIURNALLY DRIVEN SHOWERS WILL BE LIMITED TO THE NORTH COUNTRY.

TEMPERATURES CONTINUE TO BE COOL WITH DAYTIME HIGHS GENERALLY IN THE
LOWER TO MID 70S AND LOWS IN THE 50S.

&&

.LONG TERM /THURSDAY NIGHT THROUGH TUESDAY/...
IT STILL LOOKS LIKE IT WILL BE AN EXCEPTIONAL STRETCH OF WEATHER FOR
THE LONG TERM PERIOD...ESPECIALLY CONSIDERING THE RECENT WET PATTERN
OUR REGION HAS BEEN IN. THE LONGWAVE UPPER LEVEL TROUGH IS FINALLY
FORECAST TO SLIDE EAST...WITH AN UPPER LEVEL RIDGE TO BUILD IN ITS
WAKE. THIS WILL ALLOW A LARGE AREA OF SURFACE HIGH PRESSURE TO BUILD
ACROSS OUR REGION AND INFLUENCE OUR WEATHER THROUGH THE WEEKEND AND
INTO EARLY NEXT WEEK. MODEL GUIDANCE IS IN EXCELLENT
AGREEMENT...WITH SEVERAL RUNS OF THE GFS/ECMWF IN GOOD AGREEMENT.
EXPECT FAIR WEATHER WITH AMPLE SUNSHINE THROUGH THE ENTIRE PERIOD.
TEMPERATURES WILL START OFF NEAR TO SLIGHTLY BELOW NORMAL...BUT WILL
WARM WITH TIME. BY SUNDAY AND MONDAY...HIGHS SHOULD CLIMB INTO THE 80S
IN MOST AREAS.

&&

.AVIATION /17Z TUESDAY THROUGH SATURDAY/...
CONVECTION OVER SOUTHERN ONTARIO AND FROM THE SOUTHERN TIER TO
FINGER LAKES WILL MOVE ACROSS THE ENTIRE AREA THIS AFTERNOON AND
EARLY EVENING. THINGS SHOULD DIMINISH TO ISOLATED SHOWERS BY 03Z.
ANY CONVECTION WILL HAVE CEILINGS 2-3K FT AND VSBY AROUND 3SM.
LEFTOVER CLOUDS WILL REMAIN OVERNIGHT INTO EARLY WEDNESDAY WITH
ISOLATED -SHRA ESPECIALLY ACROSS THE SOUTHERN TIER. DRIER AIR
ADVECTS SOUTHWARD ON WEDNESDAY WITH CLOUDS GRADUALLY DECREASING.
SCATTERED CONVECTION POSSIBLE SOUTHERN TIER 14-20Z WEDNESDAY IN
CLOSER PROXIMITY TO COLD FRONT.

OUTLOOK...
WEDNESDAY NIGHT THROUGH SUNDAY...OTHER THAN VALLEY FOG...NO
SIGNIFICANT WEATHER EXPECTED.

&&

.MARINE...
A WEAK COLD FRONT WILL CROSS THE LOWER GREAT LAKES THIS AFTERNOON
BRINGING SCATTERED SHOWERS AND THUNDERSTORMS. OTHERWISE...FEW
CONCERNS FOR MARINE PURPOSES...AS LIGHT WINDS AND LOW SIGNIFICANT
WAVE HEIGHTS ARE EXPECTED THROUGH THE THE END OF THE WEEK.

&&

.BUF WATCHES/WARNINGS/ADVISORIES...
NY...NONE.
MARINE...NONE.

&&

SYNOPSIS...FRANKLIN
NEAR TERM...FRANKLIN
SHORT TERM...LEVAN
LONG TERM...APFFEL
AVIATION...FRANKLIN
MARINE...FRANKLIN
Hazardous weather outlook, Aug 5, 5:17 AM EDT, 9 hours 5 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BUFFALO NY
517 AM EDT TUE AUG 5 2014

NYZ001>008-010>014-019>021-085-060930-
NIAGARA-ORLEANS-MONROE-WAYNE-NORTHERN CAYUGA-OSWEGO-JEFFERSON-LEWIS-
NORTHERN ERIE-GENESEE-WYOMING-LIVINGSTON-ONTARIO-CHAUTAUQUA-
CATTARAUGUS-ALLEGANY-SOUTHERN ERIE-
517 AM EDT TUE AUG 5 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND NORTH CENTRAL NEW
YORK.

.DAY ONE...TODAY AND TONIGHT.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

THIS PRODUCT...ALONG WITH OTHER WATCHES...WARNINGS...ADVISORIES...
AND STATEMENTS ISSUED BY THE NATIONAL WEATHER SERVICE OFFICE IN
BUFFALO CAN BE FOUND ON THE INTERNET AT HTTP://WWW.WEATHER.GOV/BUF

LEZ020-040-041-LOZ042>045-062>065-SLZ022-024-060930-
UPPER NIAGARA RIVER AND BUFFALO HARBOR-
LAKE ERIE NEARSHORE WATERS FROM RIPLEY TO DUNKIRK-
LAKE ERIE NEARSHORE WATERS FROM DUNKIRK TO BUFFALO-
LAKE ONTARIO NEARSHORE WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
LAKE ONTARIO NEARSHORE WATERS FROM HAMLIN BEACH TO SODUS BAY-
LAKE ONTARIO NEARSHORE WATERS FROM SODUS BAY TO MEXICO BAY-
LAKE ONTARIO NEARSHORE WATERS FROM MEXICO BAY TO THE SAINT LAWRENCE
RIVER-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO SODUS BAY-
LAKE ONTARIO OPEN WATERS FROM SODUS BAY TO MEXICO BAY-
LAKE ONTARIO OPEN WATERS FROM MEXICO BAY TO THE SAINT LAWRENCE RIVER-
SAINT LAWRENCE RIVER FROM CAPE VINCENT TO OGDENSBURG-
SAINT LAWRENCE RIVER FROM OGDENSBURG TO SAINT REGIS-
517 AM EDT TUE AUG 5 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF LAKE ERIE...LAKE
ONTARIO AND SAINT LAWRENCE RIVER.

.DAY ONE...TODAY AND TONIGHT.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

THIS PRODUCT...ALONG WITH OTHER WATCHES...WARNINGS...ADVISORIES...
AND STATEMENTS ISSUED BY THE NATIONAL WEATHER SERVICE OFFICE IN
BUFFALO CAN BE FOUND ON THE INTERNET AT HTTP://WWW.WEATHER.GOV/BUF

In the hours before

Special weather statement, Aug 5, 2:22 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
222 PM EDT TUE AUG 5 2014

NYZ020-051900-
CATTARAUGUS NY-
222 PM EDT TUE AUG 5 2014

...STRONG THUNDERSTORM MOVING INTO THE AREA...

* AT 219 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  STRONG THUNDERSTORM CAPABLE OF PRODUCING SMALL HAIL...STRONG
  GUSTY WINDS...AND VERY HEAVY RAIN CAPABLE OF PRODUCING LOCALIZED
  FLOODING OF LOW LYING AND POOR DRAINAGE AREAS. THIS STORM WAS
  LOCATED 7 MILES NORTHWEST OF ALLEGANY PARK...AND MOVING EAST AT 20
  MPH.

* SOME LOCATIONS AFFECTED BY THE STRONG THUNDERSTORM MAY INCLUDE...
  SALAMANCA...

THIS STORM HAS THE POTENTIAL TO BECOME SEVERE AND PRODUCE LARGE HAIL
AND/OR DAMAGING WINDS.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE
INDOORS IMMEDIATELY!

LAT...LON 4227 7848 4200 7853 4204 7898 4224 7899

MITCHELL

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 5, 2:59 PM EDTSpecial Weather StatementBUFCattaraugus61 min
Aug 5, 3:36 PM EDTFlash Flood WarningBUFLivingston3 hr
Aug 5, 3:48 PM EDTAreal Flood AdvisoryBUFAllegany, Cattaraugus, Erie, Wyoming3 hr
Aug 5, 4:13 PM EDTFlash Flood WarningBUFAllegany, Cattaraugus, Erie, Livingston, Wyoming3 hr
Aug 5, 7:31 PM EDTSpecial Weather StatementBUFLewis29 min

Nearby

Special Weather Statements in New York, 2014Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.