Alert archive / Pennsylvania / Areal Flood Warnings in 2021

Areal Flood Warning 20, NWS Binghamton, NY

August 23, 2021Luzerne County, Pennsylvania

NWS Binghamton, NY issued this areal flood warning at Aug 23, 2021, 2:01 AM EDT for Luzerne County, Pennsylvania. It was in force for 6 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: Aug 23, 2021, 2:01 AM EDT (06:01 UTC)
Expired: Aug 23, 2021, 8:00 AM EDT
In force: 6 hr
Issued by: NWS Binghamton, NY
Area: Storm-based polygon
Flood severity: None

County Luzerne County, PA

The radar

The Binghamton radar (KBGM), 114 km from the middle of the area, began a volume at 06:02 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

Brookhaven, NY (KOKX), launched 00:00Z, 6.0 hours before the alert went out and 264 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: 59 J/kg
Mixed-layer CIN: -168 J/kg
Mixed-layer LCL: 610 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: -22 m²/s²
0-3 km storm-relative helicity: -66 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 Aug 23, 1:24 AM EDT, 37 minutes earlier.

Area forecast discussion, Aug 23, 1:24 AM EDT, 37 minutes before

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Hazardous weather outlook, Aug 22, 8:23 PM EDT, 5 hours 38 minutes before

Hazardous Weather Outlook
National Weather Service Binghamton NY
823 PM EDT Sun Aug 22 2021

NYZ009-015>018-022>025-037-240030-
Northern Oneida-Yates-Seneca-Southern Cayuga-Onondaga-Steuben-
Schuyler-Chemung-Tompkins-Southern Oneida-
823 PM EDT Sun Aug 22 2021

This Hazardous Weather Outlook is for central New York.

.DAY ONE...Tonight.

Hazardous weather is not expected at this time.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Hot and humid weather for much of the week will lead to heat indices
well into the 80s and even lower 90s, particularly for the valleys
and urban areas.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

NYZ055-PAZ038-240030-
Tioga-Bradford-
823 PM EDT Sun Aug 22 2021

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

.DAY ONE...Tonight.

Hazardous weather is not expected at this time.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Rain associated with Henri will continue across the region into
Monday morning, with anywhere from 0.50 to 1.50 inches of storm
total precipitation by late Monday. Higher amounts will be possible
in thunderstorms Monday afternoon. Isolated flooding issues will be
possible.

Hot and humid weather for much of the week will lead to heat indices
well into the 80s and even lower 90s, particularly for the valleys
and urban areas.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

NYZ036-044>046-056-057-062-PAZ039-040-043-044-047-048-072-240030-
Madison-Cortland-Chenango-Otsego-Broome-Delaware-Sullivan-
Susquehanna-Northern Wayne-Wyoming-Lackawanna-Luzerne-Pike-
Southern Wayne-
823 PM EDT Sun Aug 22 2021

...FLASH FLOOD WATCH IN EFFECT THROUGH MONDAY EVENING...

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

.DAY ONE...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...Monday through Saturday.

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

   Flash Flood Watch.

Hot and humid weather for much of the week will lead to heat indices
well into the 80s and even lower 90s, particularly for the valleys
and urban areas.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Local storm report, Aug 23, 12:06 AM EDT, 1 hour 55 minutes before

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Local storm report, Aug 23, 12:14 AM EDT, 1 hour 47 minutes before

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Local storm report, Aug 23, 12:22 AM EDT, 1 hour 39 minutes before

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Local storm report, Aug 23, 12:24 AM EDT, 1 hour 37 minutes before

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Local storm report, Aug 23, 12:31 AM EDT, 1 hour 30 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BINGHAMTON NY
1231 AM EDT MON AUG 23 2021

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

1200 AM     HEAVY RAIN       3 W BARRYVILLE          41.48N 74.98W
08/23/2021  M3.00 INCH       SULLIVAN           NY   PUBLIC

&&

BJG

Local storm report, Aug 23, 12:33 AM EDT, 1 hour 28 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BINGHAMTON NY
1233 AM EDT MON AUG 23 2021

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

1200 AM     HEAVY RAIN       CHENANGO BRIDGE         42.17N 75.87W
08/23/2021  M2.50 INCH       BROOME             NY   PUBLIC

&&

BJG

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 22, 8:27 PM EDT	Areal Flood Advisory	BGM	Broome, Chenango, Madison	8 hr
Aug 22, 8:52 PM EDT	Flash Flood Warning	BGM	Madison	3 hr
Aug 22, 9:09 PM EDT	Flash Flood Warning	BGM	Chenango	3 hr
Aug 22, 9:40 PM EDT	Areal Flood Advisory	BGM	Broome, Cortland	3 hr
Aug 22, 10:46 PM EDT	Areal Flood Advisory	BGM	Tioga, Tompkins	2 hr
Aug 23, 12:13 AM EDT	Areal Flood Warning	BGM	Madison	3 hr
Aug 23, 12:13 AM EDT	Areal Flood Warning	BGM	Chenango	3 hr
Aug 22, 8:33 PM EDT	Areal Flood Advisory	BGM	Pike, Wayne	6 hr
Aug 22, 8:48 PM EDT	Flash Flood Warning	BGM	Lackawanna	3 hr
Aug 22, 9:15 PM EDT	Flash Flood Warning	BGM	Wayne	3 hr
Aug 22, 10:17 PM EDT	Flash Flood Warning	BGM	Luzerne	4 hr
Aug 22, 11:18 PM EDT	Areal Flood Advisory	BGM	Luzerne, Wyoming	5 hr
Aug 23, 12:13 AM EDT	Areal Flood Warning	BGM	Lackawanna	8 hr
Aug 23, 12:13 AM EDT	Areal Flood Warning	BGM	Wayne	8 hr
Aug 23, 4:34 AM EDT	Areal Flood Advisory	BGM	Susquehanna, Wyoming	67 min
Aug 23, 6:27 AM EDT	River Flood Warning	BGM	Lackawanna	4 hr

Nearby

Areal Flood Warnings in Pennsylvania, 2021 Every 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; radar from the NEXRAD Level II archive.