Alert archive / New York / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 76, NWS Binghamton, NY

August 29, 2018Steuben County, Yates County, New York

NWS Binghamton, NY issued this severe thunderstorm warning at Aug 29, 2018, 4:47 PM EDT for Steuben County, Yates County, New York. It was in force for 43 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
Aug 29, 2018, 4:47 PM EDT (20:47 UTC)
Expired
Aug 29, 2018, 5:30 PM EDT
In force
43 min
Issued by
NWS Binghamton, NY
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Steuben County, NY, Yates County, NY

The radar

The Binghamton radar (KBGM), 107 km from the middle of the area, began a volume at 20:50 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 12:00Z, 8.8 hours before the alert went out and 130 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 2018-08-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 503 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 2018-08-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 105 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
503 J/kg
Mixed-layer CIN
-35 J/kg
Mixed-layer LCL
1051 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
105 m²/s²
0-3 km storm-relative helicity
105 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.1

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 Aug 29, 2:39 PM EDT, 2 hours 8 minutes earlier.

Area forecast discussion, Aug 29, 2:39 PM EDT, 2 hours 8 minutes before
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Hazardous weather outlook, Aug 29, 3:04 AM EDT, 13 hours 43 minutes before
Hazardous Weather Outlook
National Weather Service Binghamton NY
304 AM EDT Wed Aug 29 2018

NYZ009-015>018-022>025-036-037-044>046-055>057-062-PAZ038>040-043-
044-047-048-072-300715-
Northern Oneida-Yates-Seneca-Southern Cayuga-Onondaga-Steuben-
Schuyler-Chemung-Tompkins-Madison-Southern Oneida-Cortland-Chenango-
Otsego-Tioga-Broome-Delaware-Sullivan-Bradford-Susquehanna-
Northern Wayne-Wyoming-Lackawanna-Luzerne-Pike-Southern Wayne-
304 AM EDT Wed Aug 29 2018

...HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...

This Hazardous Weather Outlook is for central New York and
northeast Pennsylvania.

.DAY ONE...Today and Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Heat Advisory.

A cold front will approach the region late this afternoon through the
early evening, with showers and thunderstorms likely. A few of the
storms could produce strong, gusty winds.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Special weather statement, Aug 29, 3:29 PM EDT, 1 hour 18 minutes before
Special Weather Statement
National Weather Service Binghamton NY
329 PM EDT WED AUG 29 2018

NYZ017-018-292015-
Onondaga NY-Southern Cayuga NY-
329 PM EDT WED AUG 29 2018

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT...NORTHWESTERN CAYUGA
AND NORTHERN ONONDAGA COUNTIES UNTIL 415 PM EDT...

At 328 PM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from 6 miles north of Baldwinsville to Plainville to
near Weedsport to near Montezuma. Movement was east at 45 mph.

Winds in excess of 40 mph will be possible with these storms.

Strong thunderstorms will be near...
  Baldwinsville around 335 PM EDT.
  Cicero and Liverpool around 350 PM EDT.
  Camillus around 355 PM EDT.
  New York State Fairgrounds and Galeville around 400 PM EDT.
  Syracuse around 405 PM EDT.
  Bridgeport around 410 PM EDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy rainfall is also occurring with these storms, and may lead to
minor flooding. Do not drive your vehicle through flooded roadways.

Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 4320 7608 4318 7599 4313 7595 4310 7598
      4308 7596 4303 7606 4297 7673 4302 7670
      4303 7649 4318 7647 4323 7641 4323 7630
      4320 7628 4322 7626 4323 7626 4324 7627
      4320 7622 4322 7620 4327 7621
TIME...MOT...LOC 1928Z 258DEG 38KT 4324 7633 4314 7645 4309 7654 4302
7666

MLJ
Special weather statement, Aug 29, 3:42 PM EDT, 1 hour 5 minutes before
Special Weather Statement
National Weather Service Binghamton NY
342 PM EDT WED AUG 29 2018

NYZ009-036-037-292030-
Southern Oneida NY-Madison NY-Northern Oneida NY-
342 PM EDT WED AUG 29 2018

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT...ONEIDA AND
NORTHWESTERN MADISON COUNTIES UNTIL 430 PM EDT...

At 341 PM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Nicks Lake Campground to near McKeever to
near Boonville to near Bridgeport. Movement was east southeast at 25
mph.

Winds in excess of 40 mph will be possible with these storms.

Strong thunderstorms will be near...
  Boonville around 345 PM EDT.
  Forestport around 405 PM EDT.
  Alder Creek around 410 PM EDT.
  Oneida and Lenox around 415 PM EDT.
  Verona and Remsen around 425 PM EDT.
  Sherrill and Stockbridge around 430 PM EDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy rainfall is also occurring with these storms, and may lead to
minor flooding. Do not drive your vehicle through flooded roadways.

Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 4333 7508 4330 7515 4326 7516 4324 7512
      4288 7568 4311 7597 4313 7595 4314 7597
      4317 7598 4318 7596 4315 7589 4324 7587
      4343 7558 4343 7552 4361 7511
TIME...MOT...LOC 1941Z 306DEG 15KT 4368 7508 4358 7520 4353 7529 4316
7586

MLJ
Special weather statement, Aug 29, 4:08 PM EDT, 39 minutes before
Special Weather Statement
National Weather Service Binghamton NY
408 PM EDT WED AUG 29 2018

NYZ022-292045-
Steuben NY-
408 PM EDT WED AUG 29 2018

...STRONG THUNDERSTORM WILL AFFECT...NORTHERN STEUBEN COUNTY UNTIL
445 PM EDT...

At 407 PM EDT, Doppler radar was tracking a strong thunderstorm 7
miles southwest of Dansville, moving east at 40 mph.

Winds in excess of 40 mph will be possible with this storm.

This strong thunderstorm will be near...
  Arkport around 415 PM EDT.
  Wayland and South Dansville around 420 PM EDT.
  Haskinville around 425 PM EDT.
  Cohocton around 430 PM EDT.
  Avoca around 435 PM EDT.
  Kanona around 440 PM EDT.
  Urbana and Pulteney around 445 PM EDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy rainfall is also occurring with this storm, and may lead to
minor flooding. Do not drive your vehicle through flooded roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 4253 7772 4254 7766 4258 7765 4258 7715
      4250 7715 4249 7713 4251 7711 4251 7710
      4232 7710 4240 7773
TIME...MOT...LOC 2007Z 275DEG 40KT 4250 7782

MLJ
Special weather statement, Aug 29, 4:33 PM EDT, 14 minutes before
Special Weather Statement
National Weather Service Binghamton NY
433 PM EDT WED AUG 29 2018

NYZ017-018-036-044-292115-
Onondaga NY-Cortland NY-Southern Cayuga NY-Madison NY-
433 PM EDT WED AUG 29 2018

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT...SOUTHWESTERN
MADISON...EAST CENTRAL CAYUGA...NORTHERN CORTLAND AND SOUTHEASTERN
ONONDAGA COUNTIES UNTIL 515 PM EDT...

At 431 PM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Marcellus to near Niles. Movement was east
at 30 mph.

Strong wind gusts will be possible with these storms.

Strong thunderstorms will be near...
  Otisco around 445 PM EDT.
  La Fayette around 450 PM EDT.
  Tully around 455 PM EDT.
  Pompey and Manlius around 500 PM EDT.
  Watervale around 505 PM EDT.
  Fabius around 510 PM EDT.
  Cazenovia and Nelson around 515 PM EDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy rainfall is also occurring with these storms, and may lead to
minor flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4304 7559 4303 7555 4300 7555 4273 7574
      4273 7586 4272 7589 4271 7589 4277 7644
      4299 7628
TIME...MOT...LOC 2031Z 270DEG 26KT 4293 7627 4283 7634

TAC

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 29, 3:29 PM EDTSpecial Weather StatementBGMCayuga46 min
Aug 29, 3:42 PM EDTSpecial Weather StatementBGMMadison, Oneida48 min
Aug 29, 4:08 PM EDTSpecial Weather StatementBGMSteuben37 min
Aug 29, 4:33 PM EDTSpecial Weather StatementBGMMadison42 min
Aug 29, 6:34 PM EDTSpecial Weather StatementBGMSteuben41 min
Aug 29, 7:40 PM EDTSpecial Weather StatementBGMChemung50 min
Aug 29, 7:50 PM EDTSevere Thunderstorm WarningBGMChemung, Schuyler, Steuben, Tioga, Tompkins55 min

Nearby

Severe Thunderstorm Warnings in New York, 2018Every severe thunderstorm warning in 2018

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.