Alert archive / New York / River Flood Warnings in 2021

River Flood Warning 2, NWS Buffalo, NY

July 17, 20214 counties in New York

NWS Buffalo, NY issued this river flood warning at Jul 17, 2021, 4:35 PM EDT for 4 counties in New York. It was in force for 10 hr.

The area

The outline as issued.

The facts

Issued
Jul 17, 2021, 4:35 PM EDT (20:35 UTC)
Expired
Jul 18, 2021, 2:20 AM EDT
In force
10 hr
Issued by
NWS Buffalo, NY
Area
Storm-based polygon
Flood severity
Minor

Counties Cattaraugus County, NY, Chautauqua County, NY, Erie County, NY, Wyoming County, NY

The radar

The Buffalo radar (KBUF), 47 km from the middle of the area, began a volume at 20:36 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 Cattaraugus Creek at Gowanda (GOWN6). The gauge peaked at 11.47 ft at Jul 17, 2021, 7:00 PM EDT.

actionminormoderate51007/1707/1807/19
Action stage
8 ft
Minor stage
10 ft
Moderate stage
12 ft
Major stage
14 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 04213500, 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.

262 
WGUS41 KBUF 172035
FLWBUF

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Buffalo NY
435 PM EDT Sat Jul 17 2021

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

  Cattaraugus Creek At Gowanda affecting Chautauqua, Erie, 
  Cattaraugus and Wyoming Counties.

For the Cattaraugus Creek...including Gowanda...Minor flooding is 
forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

Caution is urged when walking near riverbanks.

Additional information is available at www.weather.gov.

The next statement will be issued late tonight at 445 AM EDT.

&&


NYC009-013-029-121-180845-
/O.NEW.KBUF.FL.W.0002.210717T2035Z-210718T1537Z/
/GOWN6.1.ER.210717T2008Z.210718T0000Z.210718T0936Z.NO/
435 PM EDT Sat Jul 17 2021

The National Weather Service in Buffalo has issued a

* Flood Warning for
  the Cattaraugus Creek At Gowanda.
* From this afternoon to late tomorrow morning.
* At 4:17 PM EDT Saturday the stage was 10.3 feet.
* Flood stage is 10.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 4:17 PM EDT Saturday was 10.3 feet.
* Forecast...The river is expected to rise to a crest of 11.3 feet 
  this evening. It will then fall below flood stage late tonight.
* Impact...At 10.0 feet, Flood stage, flooding along right bank a 
  half mile to a mile downstream from Gowanda, mostly in industrial 
  and commercial areas. Watch for developing problems along Thatcher 
  Creek in Gowanda and at Sunset Bay at the mouth near Lake Erie.
* Flood History...This crest compares to a previous crest of 11.2 
  feet on 01/12/2018.


&&

LAT...LON 4262 7910 4251 7885 4259 7838 4247 7836
      4238 7890 4254 7921

$$

JJR
2 follow-up statements
846 
WGUS41 KBUF 172257
FLWBUF

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Buffalo NY
657 PM EDT Sat Jul 17 2021

...Forecast flooding changed from Minor to Moderate severity and 
increased in duration for the following rivers in New York...

  Cattaraugus Creek At Gowanda affecting Chautauqua, Erie, 
  Cattaraugus and Wyoming Counties.

For the Cattaraugus Creek...including Gowanda...Moderate flooding is 
forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

Caution is urged when walking near riverbanks.

Additional information is available at www.weather.gov.

The next statement will be issued Sunday morning at 700 AM EDT.

&&


NYC009-013-029-121-181100-
/O.EXT.KBUF.FL.W.0002.000000T0000Z-210718T1434Z/
/GOWN6.2.ER.210717T2008Z.210718T0000Z.210718T0834Z.NO/
657 PM EDT Sat Jul 17 2021

...Forecast flooding increased from Minor to Moderate severity and 
increased in duration until late tomorrow morning...

The Flood Warning continues for
  the Cattaraugus Creek At Gowanda.
* Until late tomorrow morning.
* At 6:47 PM EDT Saturday the stage was 11.1 feet.
* Flood stage is 10.0 feet.
* Minor flooding is occurring and moderate flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 6:47 PM EDT Saturday was 11.6 feet.
* Forecast...The river is expected to rise to a crest of 12.0 feet 
  this evening. It will then fall below flood stage late tonight.
* Impact...At 12.0 feet, Moderate flood, residential flooding begins 
  downstream of Gowanda, especially on the right bank. Flooding also 
  possible at Sunset Bay on Lake Erie and along Thatcher Brook in 
  Gowanda.
* Flood History...This crest compares to a previous crest of 12.0 
  feet on 06/26/1998.


&&

LAT...LON 4262 7910 4251 7885 4259 7838 4247 7836
      4238 7890 4254 7921

$$

JJR
196 
WGUS81 KBUF 180620
FLSBUF

Flood Statement
National Weather Service Buffalo NY
220 AM EDT Sun Jul 18 2021

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

  Cattaraugus Creek At Gowanda affecting Chautauqua, Erie, 
  Cattaraugus and Wyoming Counties.

NYC009-013-029-121-180730-
/O.CAN.KBUF.FL.W.0002.000000T0000Z-210718T0620Z/
/GOWN6.2.ER.210717T2008Z.210718T0000Z.210718T0834Z.NO/
220 AM EDT Sun Jul 18 2021

...The Flood Warning for the Cattaraugus Creek At Gowanda has been 
cancelled...

The Flood Warning is cancelled for
  the Cattaraugus Creek At Gowanda.
* At 1:15 AM EDT Sunday the stage was 9.6 feet.
* Flood stage is 10.0 feet.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 6:47 PM EDT Saturday was 11.6 feet.
* Forecast...The river will continue to fall this morning.


&&

LAT...LON 4262 7910 4251 7885 4259 7838 4247 7836
      4238 7890 4254 7921

$$

HSK

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 17, 4:15 AM EDTBeach Hazards StatementBUFChautauqua, Monroe, Niagara, Orleans, Wayne32 hr
Jul 17, 4:42 AM EDTSpecial Weather StatementBUFChautauqua48 min
Jul 17, 6:12 AM EDTAreal Flood WarningBUFErie, Genesee, Livingston, Monroe, Niagara, Orleans and 1 more13 hr
Jul 17, 7:39 AM EDTSpecial Weather StatementBUFChautauqua36 min
Jul 17, 7:59 AM EDTFlash Flood WarningBUFChautauqua3 hr
Jul 17, 9:11 AM EDTAreal Flood WarningBUFChautauqua3 hr
Jul 17, 1:48 PM EDTSevere Thunderstorm WarningBUFAllegany42 min
Jul 17, 2:10 PM EDTAreal Flood WarningBUFMonroe40 hr
Jul 17, 3:15 PM EDTFlash Flood WarningBUFCattaraugus, Erie6 hr
Jul 17, 3:15 PM EDTTornado WarningBUFCattaraugus, Erie30 min
Jul 17, 3:46 PM EDTSevere Thunderstorm WarningBUFAllegany, Cattaraugus, Erie, Wyoming44 min
Jul 17, 4:30 PM EDTSpecial Weather StatementBUFLivingston45 min
Jul 17, 5:15 PM EDTAreal Flood WarningBUFLivingston, Ontario3 hr
Jul 17, 5:28 PM EDTAreal Flood WarningBUFAllegany, Cattaraugus5 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.