Alert archive / Pennsylvania / Special Weather Statements in 2021

Special Weather Statement, NWS Binghamton, NY

January 20, 2021Broome County, New York; Bradford County, Susquehanna County, Pennsylvania

NWS Binghamton, NY issued this special weather statement at Jan 20, 2021, 6:27 AM EST for Broome County, New York; Bradford County, Susquehanna County, Pennsylvania. It was in force for 63 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
Jan 20, 2021, 6:27 AM EST (11:27 UTC)
Expired
Jan 20, 2021, 7:30 AM EST
In force
63 min
Issued by
NWS Binghamton, NY

Counties Broome County, NY, Bradford County, PA, Susquehanna County, PA

The radar

The Binghamton radar (KBGM), 30 km from the middle of the area, began a volume at 11:27 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, 11.5 hours before the alert went out and 253 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 00:00Z on 2021-01-20Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Buffalo Intl Airport, NY at 00:00Z on 2021-01-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 154 square meters per square second.1939587897117Sfc1 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
922 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
154 m²/s²
0-3 km storm-relative helicity
199 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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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 Binghamton, NY wrote its last area forecast discussion before this special weather statement went out at Jan 20, 5:40 AM EST, 47 minutes earlier.

Area forecast discussion, Jan 20, 5:40 AM EST, 47 minutes before
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Hazardous weather outlook, Jan 20, 5:41 AM EST, 46 minutes before
Hazardous Weather Outlook
National Weather Service Binghamton NY
541 AM EST Wed Jan 20 2021

NYZ009-015>018-022>025-036-037-044>046-055>057-062-PAZ038>040-043-
044-047-048-072-211045-
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-
541 AM EST Wed Jan 20 2021

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

.DAY ONE...Today and tonight.

Snow showers this morning will lead to a slick commute. Allow extra
time to reach your destination. In addition, a few snow squalls will
be possible this afternoon with brief whiteout conditions.

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

Hazardous weather is not expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Local storm report, Jan 20, 12:32 AM EST, 5 hours 55 minutes before
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Special weather statement, Jan 20, 6:27 AM EST, 0 minutes before
Special Weather Statement
National Weather Service Binghamton NY
627 AM EST Wed Jan 20 2021

NYZ055>057-PAZ038>040-043-201230-
Tioga-Broome-Delaware-Wyoming-Susquehanna-Northern Wayne-Bradford-
627 AM EST Wed Jan 20 2021

...A SNOW SQUALL WILL AFFECT BROOME...SOUTHWESTERN DELAWARE...
SOUTHEASTERN TIOGA...SUSQUEHANNA...NORTHWESTERN WAYNE...BRADFORD AND
NORTHWESTERN WYOMING COUNTIES...

At 626 AM EST, a snow squall was located along a line extending from
near Afton to near Sylvania. Movement was southeast at 30 mph.

Locations impacted include...
Binghamton, Vestal, Johnson City, Endicott, Kirkwood, Conklin, Rush,
Jackson, Athens and Towanda.

Visibilities may drop quickly to less than a quarter of a mile in
this squall.

Conditions can deteriorate rapidly in winter weather situations. Be
prepared for snow or ice covered roads. Slow down and allow extra
time when traveling.

LAT...LON 4154 7623 4160 7688 4180 7689 4225 7565
      4220 7564 4220 7542 4228 7542 4196 7505
TIME...MOT...LOC 1126Z 332DEG 25KT 4226 7553 4176 7688

BJG

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 20, 7:39 AM ESTSpecial Weather StatementBGMSullivan51 min
Jan 20, 8:38 AM ESTSpecial Weather StatementBGMCayuga, Madison, Onondaga37 min
Jan 20, 9:14 AM ESTSpecial Weather StatementBGMCayuga, Cortland, Madison, Onondaga, Otsego61 min
Jan 20, 9:17 AM ESTSpecial Weather StatementBGMOneida43 min
Jan 20, 9:31 AM ESTSpecial Weather StatementBGMChemung, Schuyler, Steuben, Tioga, Tompkins44 min
Jan 20, 9:56 AM ESTSpecial Weather StatementBGMBroome, Chenango, Cortland, Tioga64 min
Jan 20, 10:02 AM ESTSpecial Weather StatementBGMMadison, Otsego58 min
Jan 20, 10:29 AM ESTSnow Squall WarningBGMBroome, Tioga, Tompkins31 min
Jan 20, 10:53 AM ESTSpecial Weather StatementBGMChemung37 min
Jan 20, 10:56 AM ESTSpecial Weather StatementBGMChenango, Delaware64 min
Jan 20, 11:05 AM ESTSpecial Weather StatementBGMBroome, Tioga40 min
Jan 20, 11:35 AM ESTSpecial Weather StatementBGMChemung55 min
Jan 20, 11:47 AM ESTSpecial Weather StatementBGMBroome, Tioga58 min
Jan 20, 11:58 AM ESTSpecial Weather StatementBGMDelaware62 min

Nearby

Special Weather Statements in Pennsylvania, 2021Special Weather Statements in New York, 2021Every special weather statement in 2021

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.