Alert archive / New York / Areal Flood Warnings in 2021

Areal Flood Warning 30, NWS Binghamton, NY

October 27, 2021Broome County, New York

NWS Binghamton, NY issued this areal flood warning at Oct 27, 2021, 1:58 AM EDT for Broome County, New York. It was in force for 15 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Oct 27, 2021, 1:58 AM EDT (05:58 UTC)
Expired
Oct 27, 2021, 5:00 PM EDT
In force
15 hr
Issued by
NWS Binghamton, NY
Area
Storm-based polygon
Flood severity
None

County Broome County, NY

The nearest sounding before it

Brookhaven, NY (KOKX), launched 00:00Z, 6.0 hours before the alert went out and 285 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, Brookhaven, NY at 00:00Z on 2021-10-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 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, Brookhaven, NY at 00:00Z on 2021-10-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -56 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
3 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
482 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
-56 m²/s²
0-3 km storm-relative helicity
115 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 areal flood 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 areal flood warning went out at Oct 27, 1:15 AM EDT, 43 minutes earlier.

Area forecast discussion, Oct 27, 1:15 AM EDT, 43 minutes before
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Hazardous weather outlook, Oct 26, 3:55 PM EDT, 10 hours 3 minutes before
Hazardous Weather Outlook
National Weather Service Binghamton NY
355 PM EDT Tue Oct 26 2021

NYZ045-046-055>057-062-PAZ038>040-043-044-047-048-072-272000-
Chenango-Otsego-Tioga-Broome-Delaware-Sullivan-Bradford-Susquehanna-
Northern Wayne-Wyoming-Lackawanna-Luzerne-Pike-Southern Wayne-
355 PM EDT Tue Oct 26 2021

...FLASH FLOOD WATCH IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...

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

.DAY ONE...This afternoon and tonight.

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

   Flash Flood Watch.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

More rain will fall Friday to Saturday possibly causing more flash
flooding.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures. Please relay
any information about severe weather to the NWS while following
local, state and CDC guidelines.

NYZ009-015>018-022>025-036-037-044-272000-
Northern Oneida-Yates-Seneca-Southern Cayuga-Onondaga-Steuben-
Schuyler-Chemung-Tompkins-Madison-Southern Oneida-Cortland-
355 PM EDT Tue Oct 26 2021

This Hazardous Weather Outlook is for central New York.

.DAY ONE...This afternoon and tonight.

Rain will continue into tonight before ending. Flash flooding and
river flooding are possible. You should monitor later forecasts and
be prepared to take action should Flash Flood Warnings be issued.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

More rain will fall Friday to Saturday possibly causing more flash
flooding.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures. Please relay
any information about severe weather to the NWS while following
local, state and CDC guidelines.

In the hours before

Local storm report, Oct 26, 11:55 PM EDT, 2 hours 3 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BINGHAMTON NY
1155 PM EDT TUE OCT 26 2021

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0640 PM     HEAVY RAIN       LOCH SHELDRAKE          41.77N 74.67W
10/26/2021  M4.70 INCH       SULLIVAN           NY   PUBLIC

&&

BJG
Local storm report, Oct 26, 11:56 PM EDT, 2 hours 2 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BINGHAMTON NY
1156 PM EDT TUE OCT 26 2021

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0630 PM     HEAVY RAIN       PORT CRANE              42.17N 75.83W
10/26/2021  M2.33 INCH       BROOME             NY   PUBLIC

&&

BJG
Local storm report, Oct 26, 11:57 PM EDT, 2 hours 1 minute before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BINGHAMTON NY
1157 PM EDT TUE OCT 26 2021

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0550 PM     HEAVY RAIN       FOREST CITY             41.65N 75.47W
10/26/2021  M2.60 INCH       SUSQUEHANNA        PA   PUBLIC

&&

BJG
Local storm report, Oct 27, 12:18 AM EDT, 1 hour 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BINGHAMTON NY
1218 AM EDT WED OCT 27 2021

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0600 PM     FLASH FLOOD      1 SSW SYRACUSE          43.03N 76.15W
10/26/2021                   ONONDAGA           NY   911 CALL CENTER

            FLOODED ROADWAYS IN THE VICINITY OF KIRK
            PARK.

&&

BJG
Local storm report, Oct 27, 12:21 AM EDT, 1 hour 37 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BINGHAMTON NY
1221 AM EDT WED OCT 27 2021

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0600 PM     FLASH FLOOD      CAMILLUS                43.04N 76.31W
10/26/2021                   ONONDAGA           NY   911 CALL CENTER

            NUMEROUS FLOODED ROADWAYS AND HOMES.
            VOLUNTARY EVACUATION OF 14 HOMES DUE TO
            FLOODING.

&&

BJG
Local storm report, Oct 27, 12:51 AM EDT, 1 hour 7 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Oct 26, 8:15 PM EDTAreal Flood WarningBGMCayuga12 hr
Oct 26, 8:25 PM EDTAreal Flood WarningBGMBroome, Cayuga, Chenango, Cortland, Onondaga, Tioga and 1 more6 hr
Oct 26, 10:32 PM EDTAreal Flood WarningBGMCayuga, Schuyler, Seneca, Yates3 hr
Oct 26, 11:40 PM EDTRiver Flood WarningBGMBroome15 hr
Oct 27, 12:14 AM EDTRiver Flood WarningBGMTioga44 hr
Oct 27, 12:50 AM EDTRiver Flood WarningBGMWyoming7 hr
Oct 27, 10:16 AM EDTRiver Flood WarningBGMBradford19 hr

Nearby

Areal Flood Warnings in New York, 2021Every areal flood warning 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.