Alert archive / New York / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 116, NWS Binghamton, NY

July 31, 2014Cayuga County, Onondaga County, Seneca County, New York

NWS Binghamton, NY issued this severe thunderstorm warning at Jul 31, 2014, 6:46 AM EDT for Cayuga County, Onondaga County, Seneca County, New York. It was in force for 44 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 31, 2014, 6:46 AM EDT (10:46 UTC)
Expired: Jul 31, 2014, 7:30 AM EDT
In force: 44 min
Issued by: NWS Binghamton, NY
Area: Storm-based polygon

Counties Cayuga County, NY, Onondaga County, NY, Seneca County, NY

The radar

The Binghamton radar (KBGM), 93 km from the middle of the area, began a volume at 10:50 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 00:00Z, 10.8 hours before the alert went out and 177 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 102 J/kg
Mixed-layer CIN: -16 J/kg
Mixed-layer LCL: 1077 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: 22 m²/s²
0-3 km storm-relative helicity: 60 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Binghamton, NY wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 31, 6:44 AM EDT, 2 minutes earlier.

Area forecast discussion, Jul 31, 6:44 AM EDT, 2 minutes before

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Hazardous weather outlook, Jul 31, 3:46 AM EDT, 3 hours before

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In the hours before

Special weather statement, Jul 31, 6:01 AM EDT, 45 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BINGHAMTON NY
601 AM EDT THU JUL 31 2014

NYZ016-017-311100-
CAYUGA NY-SENECA NY-
601 AM EDT THU JUL 31 2014

...STRONG THUNDERSTORM WILL AFFECT NORTHERN SENECA AND WEST CENTRAL
CAYUGA COUNTIES...

* AT 559 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  STRONG THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL...STRONG GUSTY
  WINDS TO 40 MPH...AND VERY HEAVY RAIN.  THIS STORM WAS LOCATED 16 MILES WEST
  OF WATERLOO...AND MOVING EAST AT 30 MPH.

* THE STRONG THUNDERSTORM WILL BE NEAR...
  BORDER CITY AT 620 AM EDT...
  PACKWOOD CORNERS AND ROSE HILL AT 625 AM EDT...
  WATERLOO AND DUBLIN AT 630 AM EDT...
  SENECA FALLS AND MAGEE AT 635 AM EDT...
  LEHIGH VLY JCT AND TYRE AT 640 AM EDT...
  CAYUGA AND UNION SPRINGS AT 645 AM EDT...
  FOSTERVILLE AND MONTEZUMA AT 650 AM EDT...
  THROOPSVILLE AND FLEMING AT 655 AM EDT...

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

LAT...LON 4288 7697 4301 7697 4302 7695 4303 7660
      4286 7652 4277 7698 4287 7699

HEDEN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 31, 6:01 AM EDT	Special Weather Statement	BGM	Seneca	59 min
Jul 31, 6:20 AM EDT	Severe Thunderstorm Warning	BGM	Cayuga, Seneca	25 min
Jul 31, 7:35 AM EDT	Special Weather Statement	BGM	Onondaga	55 min
Jul 31, 8:30 AM EDT	Special Weather Statement	BGM	Madison, Oneida	60 min
Jul 31, 5:35 PM EDT	Special Weather Statement	BGM	Oneida	55 min

Nearby

Severe Thunderstorm Warnings in New York, 2014 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.