Alert archive / New York / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 63, NWS Buffalo, NY

August 1, 2014Monroe County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Aug 1, 2014, 5:43 PM EDT for Monroe County, New York. It was in force for 47 min. 2 reports 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
Aug 1, 2014, 5:43 PM EDT (21:43 UTC)
Expired
Aug 1, 2014, 6:30 PM EDT
In force
47 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon

County Monroe County, NY

The radar

The Buffalo radar (KBUF), 95 km from the middle of the area, began a volume at 21:44 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

TimeReportWhereRemark
Aug 1, 5:55 PM EDTTSTM WND DMG1 E Greece, NYTREE ON LATTA NEAR STUTSON.
Aug 1, 5:55 PM EDTTSTM WND DMGCharlotte, NYMULTIPLE WIRES AND TREES DOWN. LAKE AVE AND RIVER STREET.

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, 9.7 hours before the alert went out and 93 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 2014-08-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 51 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 2014-08-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 90 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
51 J/kg
Mixed-layer CIN
-86 J/kg
Mixed-layer LCL
1183 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
90 m²/s²
0-3 km storm-relative helicity
125 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.

724 
WUUS51 KBUF 012143
SVRBUF
NYC055-012230-
/O.NEW.KBUF.SV.W.0063.140801T2143Z-140801T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
543 PM EDT FRI AUG 1 2014

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL MONROE COUNTY IN WESTERN NEW YORK

* UNTIL 630 PM EDT

* AT 541 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  GATES...OR NEAR ROCHESTER...AND MOVING NORTHEAST AT 25 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...
  IRONDEQUOIT BAY...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

&&

LAT...LON 4332 7770 4330 7767 4328 7762 4325 7757
      4324 7753 4313 7771 4333 7773 4333 7771
TIME...MOT...LOC 2143Z 218DEG 21KT 4318 7761

$$

RSH
2 follow-up statements
460 
WWUS51 KBUF 012222
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
622 PM EDT FRI AUG 1 2014

NYC055-012230-
/O.CON.KBUF.SV.W.0063.000000T0000Z-140801T2230Z/
MONROE NY-
622 PM EDT FRI AUG 1 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR CENTRAL MONROE COUNTY...

AT 619 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED NEAR GATES-NORTH GATES...MOVING NORTHEAST AT 35 MPH.

SOME LOCATIONS IN THE WARNING INCLUDE...
  GREECE AND THE NORTHWESTERN SUBURBS OF ROCHESTER

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

&&

LAT...LON 4332 7770 4330 7767 4328 7762 4325 7757
      4324 7753 4313 7771 4333 7773 4333 7771
TIME...MOT...LOC 2221Z 222DEG 29KT 4315 7771

$$

RSH
750 
WWUS51 KBUF 012237
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
637 PM EDT FRI AUG 1 2014

NYC055-012242-
/O.EXP.KBUF.SV.W.0063.000000T0000Z-140801T2230Z/
MONROE NY-
637 PM EDT FRI AUG 1 2014

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL MONROE COUNTY HAS
EXPIRED...

AT 632 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED THAT THE SEVERE
THUNDERSTORM THAT PROMPTED THE WARNING HAD WEAKENED AND WAS NO LONGER
SEVERE...THUS THE WARNING HAS BEEN ALLOWED TO EXPIRE.

HOWEVER RADAR INDICATED THAT HEAVY RAIN...SMALL HAIL...AND GUSTY 
WINDS WERE STILL POSSIBLE FROM ADDITIONAL STRONG THUNDERSTORMS MOVING 
INTO THE SAME AREA. THESE STORMS SHOULD MOVE OFFSHORE OVER LAKE 
ONTARIO BETWEEN 715 AND 730 PM.

LAT...LON 4332 7770 4330 7767 4328 7762 4325 7757
      4324 7753 4313 7771 4333 7773 4333 7771
TIME...MOT...LOC 2222Z 222DEG 29KT 4316 7770

$$

MITCHELL

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 1, 4:53 PM EDTSpecial Weather StatementBUFLivingston37 min
Aug 1, 5:13 PM EDTSpecial Weather StatementBUFMonroe47 min
Aug 1, 5:28 PM EDTSevere Thunderstorm WarningBUFMonroe, Wayne40 min
Aug 1, 5:34 PM EDTSpecial Marine WarningBUF56 min
Aug 1, 6:18 PM EDTSpecial Marine WarningBUF57 min
Aug 1, 6:49 PM EDTSpecial Weather StatementBUFMonroe26 min
Aug 1, 6:56 PM EDTSevere Thunderstorm WarningBUFOntario, Wayne64 min
Aug 1, 7:52 PM EDTSpecial Marine WarningBUF83 min

Nearby

Severe Thunderstorm Warnings in New York, 2014Every severe thunderstorm 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.