Alert archive / New York / Areal Flood Warnings in 2021

Areal Flood Warning 1, NWS Albany, NY

July 12, 2021Schoharie County, New York

NWS Albany, NY issued this areal flood warning at Jul 12, 2021, 1:10 AM EDT for Schoharie County, New York. It was in force for 4 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: Jul 12, 2021, 1:10 AM EDT (05:10 UTC)
Expired: Jul 12, 2021, 4:45 AM EDT
In force: 4 hr
Issued by: NWS Albany, NY
Area: Storm-based polygon
Flood severity: None

County Schoharie County, NY

The radar

The Albany radar (KENX), 31 km from the middle of the area, began a volume at 05:13 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

Albany, NY (KALY), launched 00:00Z, 5.2 hours before the alert went out and 51 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 845 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: -108 m²/s²
0-3 km storm-relative helicity: 123 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 Albany, NY wrote its last area forecast discussion before this areal flood warning went out at Jul 12, 1:10 AM EDT, 0 minutes earlier.

Area forecast discussion, Jul 12, 1:10 AM EDT, 0 minutes before

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Hazardous weather outlook, Jul 11, 3:50 PM EDT, 9 hours 20 minutes before

Hazardous Weather Outlook
National Weather Service Albany NY
350 PM EDT Sun Jul 11 2021

CTZ001-013-NYZ058>061-063>066-121100-
Northern Litchfield-Southern Litchfield-Western Greene-
Eastern Greene-Western Columbia-Eastern Columbia-Western Ulster-
Eastern Ulster-Western Dutchess-Eastern Dutchess-
350 PM EDT Sun Jul 11 2021

...FLASH FLOOD WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH LATE
MONDAY NIGHT...

This Hazardous Weather Outlook is for northwestern Connecticut and
for the eastern Catskills, mid Hudson Valley and southern Taconics
of eastern New York.

.DAY ONE...Tonight.

There is a low probability for widespread hazardous weather.

.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.

There is a marginal risk for severe thunderstorms Monday afternoon
and evening, with the primary risk being isolated damaging wind
gusts.

There is a chance of thunderstorms Wednesday through Saturday,
mainly during the afternoon and evening hours.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to relay rainfall amounts and
flooding to the National Weather Service in Albany New York while
following all local, state and CDC guidelines.

MAZ001-025-NYZ038>041-047>054-082>084-VTZ013>015-121100-
Northern Berkshire-Southern Berkshire-Southern Herkimer-
Southern Fulton-Montgomery-Northern Saratoga-Schoharie-
Western Schenectady-Eastern Schenectady-Southern Saratoga-
Western Albany-Eastern Albany-Western Rensselaer-Eastern Rensselaer-
Northern Fulton-Southeast Warren-Southern Washington-Bennington-
Western Windham-Eastern Windham-
350 PM EDT Sun Jul 11 2021

...FLASH FLOOD WATCH IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH
MONDAY AFTERNOON...

This Hazardous Weather Outlook is for western Massachusetts, the
Mohawk Valley, Lake George Saratoga region, greater Capital Region,
Schoharie County and northeast Catskills, and the central and
northern Taconics of eastern New York, and for southern Vermont.

.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.

There is a marginal risk for severe thunderstorms Monday afternoon
and evening for areas near and south of Interstate 90 in New York,
with the primary risk being isolated damaging wind gusts.

There is a chance of thunderstorms Wednesday through Saturday,
mainly during the afternoon and evening hours.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to relay rainfall amounts and
flooding to the National Weather Service in Albany New York while
following all local, state and CDC guidelines.

NYZ032-033-042-043-121100-
Northern Herkimer-Hamilton-Northern Warren-Northern Washington-
350 PM EDT Sun Jul 11 2021

This Hazardous Weather Outlook is for the southern Adirondacks of east
central New York and eastern New York.

.DAY ONE...Tonight.

Although locally heavy rain will be possible tonight, the threat for
widespread hazardous weather is low.

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

There is a chance of thunderstorms Wednesday through Saturday, mainly
during the afternoon and evening hours.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Local storm report, Jul 11, 10:43 PM EDT, 2 hours 27 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ALBANY NY
1043 PM EDT SUN JUL 11 2021

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

0722 PM     HEAVY RAIN       DELANSON                42.77N  74.19W
07/11/2021  M1.13 INCH       SCHENECTADY        NY   WEATHERNET6

            WEATHERNET6

0916 PM     HEAVY RAIN       RICHMONDVILLE           42.63N  74.59W
07/11/2021  M1.24 INCH       SCHOHARIE          NY   WEATHERNET6

            WEATHERNET6

1033 PM     HEAVY RAIN       CHARLOTTEVILLE          42.52N  74.70W
07/11/2021  M1.90 INCH       SCHOHARIE          NY   WEATHERNET6

            WEATHERNET6

&&

EVENT NUMBER ALY2103563
EVENT NUMBER ALY2103564
EVENT NUMBER ALY2103565

THOMPSON

Local storm report, Jul 11, 11:37 PM EDT, 1 hour 33 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ALBANY NY
1137 PM EDT SUN JUL 11 2021

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

1125 PM     HEAVY RAIN       BUSKIRK                 42.94N  73.45W
07/11/2021  M1.00 INCH       RENSSELAER         NY   CO-OP OBSERVER

&&

EVENT NUMBER ALY2103566

THOMPSON

Local storm report, Jul 12, 12:58 AM EDT, 12 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 11, 8:38 PM EDT	Areal Flood Advisory	ALY	Schoharie	3 hr
Jul 11, 9:33 PM EDT	Areal Flood Advisory	ALY	Albany, Montgomery, Rensselaer, Saratoga, Schenectady, Schoharie	3 hr
Jul 11, 10:16 PM EDT	Flash Flood Warning	ALY	Schoharie	3 hr
Jul 11, 11:01 PM EDT	Areal Flood Advisory	ALY	Albany, Rensselaer, Saratoga, Washington	3 hr
Jul 12, 12:40 AM EDT	Areal Flood Advisory	ALY	Albany, Columbia, Greene, Montgomery, Rensselaer, Saratoga and 2 more	4 hr
Jul 12, 3:37 AM EDT	Areal Flood Advisory	ALY	Fulton, Herkimer	3 hr
Jul 12, 5:58 AM EDT	Areal Flood Advisory	ALY	Ulster	2 hr
Jul 12, 7:33 AM EDT	Areal Flood Advisory	ALY	Columbia, Dutchess	2 hr

Nearby

Areal Flood Warnings in New York, 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.