Alert archive / New York / River Flood Warnings in 2021

River Flood Warning 3, NWS Buffalo, NY

August 19, 2021Allegany County, Livingston County, Wyoming County, New York

NWS Buffalo, NY issued this river flood warning at Aug 19, 2021, 7:22 AM EDT for Allegany County, Livingston County, Wyoming County, New York. It took effect at Aug 19, 2021, 7:36 AM EDT. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Aug 19, 2021, 7:22 AM EDT (11:22 UTC)
In effect from
Aug 19, 2021, 7:36 AM EDT
Expired
Aug 19, 2021, 2:10 PM EDT
In force
7 hr
Issued by
NWS Buffalo, NY
Area
Storm-based polygon
Flood severity
Minor

Counties Allegany County, NY, Livingston County, NY, Wyoming County, NY

The radar

The Buffalo radar (KBUF), 114 km from the middle of the area, began a volume at 11:25 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 river

Written for the forecast point Genesee River at Wellsville (WLLN6). The gauge peaked at 11.01 ft at Aug 19, 2021, 10:00 AM EDT.

actionminormoderate5101508/1908/20
Action stage
9 ft
Minor stage
11 ft
Moderate stage
14 ft
Major stage
17 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 04221000, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

The text

As transmitted.

639 
WGUS41 KBUF 191122
FLWBUF

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Buffalo NY
722 AM EDT Thu Aug 19 2021

...The National Weather Service in Buffalo NY has issued a Flood 
Warning for the following rivers in New York...

  Genesee River At Wellsville affecting Wyoming, Livingston and 
  Allegany Counties.

For the Genesee River...including Wellsville...Minor flooding is 
forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Additional information is available at www.weather.gov.

The next statement will be issued this afternoon at 230 PM EDT.

&&


NYC003-051-121-191830-
/O.NEW.KBUF.FL.W.0003.210819T1136Z-210819T1818Z/
/WLLN6.1.ER.210819T1136Z.210819T1200Z.210819T1218Z.NO/
722 AM EDT Thu Aug 19 2021

The National Weather Service in Buffalo has issued a

* Flood Warning for
  the Genesee River At Wellsville.
* Until this afternoon.
* At 6:45 AM EDT Thursday the stage was 10.8 feet.
* Flood stage is 11.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage this 
  morning to a crest of 11.1 feet this morning. It will then fall 
  below flood stage late this morning.
* Impact...At 11.0 feet, Flood stage, banks overflow and begin to 
  flood lowlying areas outside the levees in places such as Scio and 
  Whitesville. Minor damages.
* Flood History...This crest compares to a previous crest of 11.1 
  feet on 01/13/2017.


&&

LAT...LON 4208 7784 4208 7775 4200 7775 4200 7792
      4233 7816 4236 7803

$$

Apffel
1 follow-up statement
684 
WGUS81 KBUF 191810
FLSBUF

Flood Statement
National Weather Service Buffalo NY
210 PM EDT Thu Aug 19 2021

...The Flood Warning is cancelled for the following rivers in New 
York...

  Genesee River At Wellsville affecting Wyoming, Livingston and 
  Allegany Counties.

NYC003-051-121-191915-
/O.CAN.KBUF.FL.W.0003.000000T0000Z-210819T1810Z/
/WLLN6.1.ER.210819T1345Z.210819T1400Z.210819T1415Z.NO/
210 PM EDT Thu Aug 19 2021

...The Flood Warning for the Genesee River At Wellsville has been 
cancelled...

The Flood Warning is cancelled for
  the Genesee River At Wellsville.
* At 1:45 PM EDT Thursday the stage was 10.7 feet.
* Flood stage is 11.0 feet.
* Forecast...The river is expected to fall to 5.1 feet Sunday 
  morning.

&&


             Fld   Observed           Forecasts (2 pm EDT)     
Location     Stg   Stg   Day/Time     Fri   Sat   Sun          

Genesee River
Wellsville   11.0  10.7  Thu 1 pm EDT 6.0   5.3   MSG          





&&

LAT...LON 4208 7784 4208 7775 4200 7775 4200 7792
      4233 7816 4236 7803

$$

JLA

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 19, 12:21 AM EDTAreal Flood WarningBUFLivingston, Ontario, Wayne6 hr
Aug 19, 4:40 AM EDTSmall Craft AdvisoryBUF9 hr
Aug 19, 6:27 AM EDTAreal Flood WarningBUFLewis, Oswego16 hr
Aug 19, 7:48 AM EDTAreal Flood WarningBUFAllegany9 hr
Aug 19, 3:42 PM EDTRiver Flood WarningBUFJefferson, Lewis, Oneida19 hr

Nearby

River Flood Warnings in New York, 2021Every river 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; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.