Alert archive / New York / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 59, NWS Buffalo, NY

July 14, 2014Monroe County, Ontario County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jul 14, 2014, 3:46 PM EDT for Monroe County, Ontario County, New York. It was in force for 59 min. 3 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
Jul 14, 2014, 3:46 PM EDT (19:46 UTC)
Expired
Jul 14, 2014, 4:45 PM EDT
In force
59 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon

Counties Monroe County, NY, Ontario County, NY

The radar

The Buffalo radar (KBUF), 107 km from the middle of the area, began a volume at 19:47 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
Jul 14, 4:24 PM EDTHAIL 0.5Canandaigua, NYHALF INCH HAIL REPORTED AT THE SHERIFFS OFFICE IN CANANDAIGUA
Jul 14, 4:38 PM EDTTSTM WND DMG1 S Ennerdale, NYTREE DOWN ALONG ROUTE 20 BETWEEN COUNTY ROUTES 47 AND 17.
Jul 14, 4:38 PM EDTTSTM WND DMG1 S Ennerdale, NYTWO TREES DOWN ALONG ROUTE 20 BETWEEN COUNTY ROUTES 47 AND 17 IN HOPEWELL. ALSO...A NEARBY CORN FIELD WAS FLATTENED IN GORHAM.

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, 7.8 hours before the alert went out and 104 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 2014-07-14Temperature 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, Buffalo Intl Airport, NY at 12:00Z on 2014-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 90 square meters per square second.1939587897Sfc1 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
919 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
90 m²/s²
0-3 km storm-relative helicity
147 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.

821 
WUUS51 KBUF 141946
SVRBUF
NYC055-069-142045-
/O.NEW.KBUF.SV.W.0059.140714T1946Z-140714T2045Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
346 PM EDT MON JUL 14 2014

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN MONROE COUNTY IN WESTERN NEW YORK
  NORTHWESTERN ONTARIO COUNTY IN WESTERN NEW YORK

* UNTIL 445 PM EDT

* AT 344 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 5 MILES
  SOUTHWEST OF VICTOR...OR 11 MILES SOUTH OF FAIRPORT...AND MOVING
  EAST AT 15 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...
  VICTOR...
  CANANDAIGUA...

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 4289 7755 4290 7756 4300 7758 4304 7715
      4283 7717
TIME...MOT...LOC 1946Z 270DEG 15KT 4294 7749

$$

HITCHCOCK
1 follow-up statement
647 
WWUS51 KBUF 142006
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
406 PM EDT MON JUL 14 2014

NYC055-142014-
/O.CAN.KBUF.SV.W.0059.000000T0000Z-140714T2045Z/
MONROE NY-
406 PM EDT MON JUL 14 2014

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MONROE COUNTY IS
CANCELLED...

THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED EAST OF 
THE COUNTY.

LAT...LON 4288 7747 4298 7746 4300 7715 4283 7717
TIME...MOT...LOC 2004Z 282DEG 18KT 4292 7737

$$

NYC069-142045-
/O.CON.KBUF.SV.W.0059.000000T0000Z-140714T2045Z/
ONTARIO NY-
406 PM EDT MON JUL 14 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM EDT
FOR CENTRAL ONTARIO COUNTY...

...A TORNADO WARNING ALSO REMAINS IN EFFECT UNTIL 445 PM EDT FOR 
CENTRAL ONTARIO COUNTY...

AT 403 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 IN ADDITION TO A 
POSSIBLE TORNADO. THIS STORM WAS LOCATED NEAR HOLCOMB...MOVING EAST 
AT 20 MPH.

SOME LOCATIONS IN THE WARNING INCLUDE...
  CANANDAIGUA...
  SHORTSVILLE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN THE PATH...PREPARE 
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND POTENTIALLY 
A TORNADO. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY 
INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

&&

LAT...LON 4288 7747 4298 7746 4300 7715 4283 7717
TIME...MOT...LOC 2004Z 282DEG 18KT 4292 7737

$$

HITCHCOCK

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 14, 2:30 PM EDTSpecial Weather StatementBUFAllegany60 min
Jul 14, 3:34 PM EDTSpecial Weather StatementBUFAllegany56 min
Jul 14, 3:39 PM EDTSpecial Weather StatementBUFOntario66 min
Jul 14, 3:57 PM EDTTornado WarningBUFOntario33 min
Jul 14, 4:28 PM EDTTornado WarningBUFOntario27 min
Jul 14, 4:51 PM EDTSmall Craft AdvisoryBUF54 hr
Jul 14, 6:43 PM EDTSpecial Weather StatementBUFCattaraugus47 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.