Alert archive / New York / River Flood Warnings in 2022
River Flood Warning 6, NWS Buffalo, NY
NWS Buffalo, NY issued this river flood warning at Feb 17, 2022, 11:39 AM EST for Allegany County, Livingston County, Wyoming County, New York. It took effect at Feb 18, 2022, 3:00 AM EST. It was in force for 10 hr.
The area
The outline as issued.
The facts
- Issued
- Feb 17, 2022, 11:39 AM EST (16:39 UTC)
- In effect from
- Feb 18, 2022, 3:00 AM EST
- Expired
- Feb 18, 2022, 1:02 PM EST
- In force
- 10 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 16:42 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 11.66 ft at Feb 18, 2022, 6:00 AM EST.
- 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.
212
WGUS41 KBUF 171639
FLWBUF
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Buffalo NY
1139 AM EST Thu Feb 17 2022
...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.
Genesee River At Portageville affecting Wyoming, Livingston and
Allegany Counties.
Black Creek At Churchville affecting Monroe and Genesee Counties.
Cattaraugus Creek At Gowanda affecting Chautauqua, Erie,
Cattaraugus and Wyoming Counties.
Ellicott Creek Near Williamsville affecting Erie and Genesee
Counties.
Tonawanda Creek At Batavia affecting Wyoming, Erie, Niagara and
Genesee Counties.
.Heavy rain will fall on a deep primed snowpack leading to the melt
increasing. Flows in rivers will increase quickly and reach critical
levels.
For the Genesee River...including Wellsville, Portageville, Mt
Morris Dam, Avon, Rochester, Honeoye Falls...Minor flooding is
forecast.
For the Black Creek...including Churchville...Minor flooding is
forecast.
For the Cattaraugus Creek...including Gowanda...Minor flooding is
forecast.
For the Ellicott Creek...including Williamsville...Minor flooding is
forecast.
For the Tonawanda Creek...including Attica, Batavia, Rapids...Minor
flooding is forecast.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Please report observed flooding to local emergency services or law
enforcement and request they pass this information to the National
Weather Service when you can do so safely.
Additional information is available at www.weather.gov.
The next statement will be issued this evening at 1145 PM EST.
&&
NYC003-051-121-180445-
/O.NEW.KBUF.FL.W.0006.220218T1009Z-220219T0148Z/
/WLLN6.1.RS.220218T1009Z.220218T1800Z.220218T1948Z.NO/
1139 AM EST Thu Feb 17 2022
...FLOOD WARNING IN EFFECT FROM LATE TONIGHT TO TOMORROW EVENING...
* WHAT...Minor flooding is forecast.
* WHERE...Genesee River At Wellsville.
* WHEN...From late tonight to tomorrow evening.
* IMPACTS...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.
* ADDITIONAL DETAILS...
- At 10:45 AM EST Thursday the stage was 4.9 feet.
- Forecast...The river is expected to rise above flood stage
late tonight to a crest of 11.6 feet early tomorrow
afternoon. It will then fall below flood stage early tomorrow
afternoon.
- Flood stage is 11.0 feet.
- Flood History...This crest compares to a previous crest of
11.6 feet on 03/15/2007.
- http://www.weather.gov/safety/flood
&&
LAT...LON 4208 7784 4208 7775 4200 7775 4200 7792
4233 7816 4236 7803
$$
NYC009-013-029-121-180445-
/O.NEW.KBUF.FL.W.0007.220218T1017Z-220219T0200Z/
/GOWN6.1.RS.220218T1017Z.220218T1200Z.220218T2000Z.NO/
1139 AM EST Thu Feb 17 2022
...FLOOD WARNING IN EFFECT FROM LATE TONIGHT TO LATE TOMORROW
EVENING...
* WHAT...Minor flooding is forecast.
* WHERE...Cattaraugus Creek At Gowanda.
* WHEN...From late tonight to late tomorrow evening.
* IMPACTS...At 10.0 feet, Flood stage, flooding along right bank a
half mile to a mile downstream from Gowanda, mostly in industrial
and commercial areas. Watch for developing problems along Thatcher
Creek in Gowanda and at Sunset Bay at the mouth near Lake Erie.
* ADDITIONAL DETAILS...
- At 11:15 AM EST Thursday the stage was 5.2 feet.
- Potential ice jams through tonight may result in
more significant flooding localized near ice jams.
- Forecast...The river is expected to rise above flood stage
late tonight to a crest of 10.4 feet tomorrow morning. It
will then fall below flood stage tomorrow afternoon.
- Flood stage is 10.0 feet.
- Flood History...This crest compares to a previous crest of
10.4 feet on 03/15/2007.
- http://www.weather.gov/safety/flood
&&
LAT...LON 4262 7910 4251 7885 4259 7838 4247 7836
4238 7890 4254 7921
$$
NYC029-037-063-121-180445-
/O.NEW.KBUF.FL.W.0008.220218T1124Z-220219T1200Z/
/BTVN6.1.RS.220218T1124Z.220218T1800Z.220219T0600Z.UU/
1139 AM EST Thu Feb 17 2022
...FLOOD WARNING IN EFFECT FROM FRIDAY MORNING TO SATURDAY MORNING...
* WHAT...Minor flooding is forecast.
* WHERE...Tonawanda Creek At Batavia.
* WHEN...From Friday morning to Saturday morning.
* IMPACTS...At 9.0 feet, Flood stage, some flooding in Batavia,
possibly impacting Kibbe Park, Walnut Street, and Law Street.
Flooding in rural areas of Alexander and the lowlands of the
Alabama Swamps with some road closures likely.
* ADDITIONAL DETAILS...
- At 11:00 AM EST Thursday the stage was 2.9 feet.
- Forecast...The river is expected to rise above flood stage
tomorrow morning to a crest of 9.7 feet early tomorrow
afternoon. It will then fall below flood stage early Saturday
morning.
- Flood stage is 9.0 feet.
- Flood History...This crest compares to a previous crest of
9.9 feet on 07/14/2017.
- http://www.weather.gov/safety/flood
&&
LAT...LON 4299 7831 4305 7863 4315 7864 4315 7810
4293 7817 4293 7832
$$
NYC003-051-121-180445-
/O.NEW.KBUF.FL.W.0009.220218T1213Z-220219T0723Z/
/PRTN6.1.RS.220218T1213Z.220218T1800Z.220219T0122Z.NO/
1139 AM EST Thu Feb 17 2022
...FLOOD WARNING IN EFFECT FROM FRIDAY MORNING TO EARLY SATURDAY
MORNING...
* WHAT...Minor flooding is forecast.
* WHERE...Genesee River At Portageville.
* WHEN...From Friday morning to early Saturday morning.
* IMPACTS...At 19.0 feet, Flood stage, river begins to overflow into
agricultural lands from Belfast to Letchworth. Little damage.
* ADDITIONAL DETAILS...
- At 11:00 AM EST Thursday the stage was 10.2 feet.
- Forecast...The river is expected to rise above flood stage
tomorrow morning to a crest of 21.5 feet early tomorrow
afternoon. It will then fall below flood stage tomorrow
evening.
- Flood stage is 19.0 feet.
- Flood History...This crest compares to a previous crest of
21.6 feet on 06/21/1989.
- http://www.weather.gov/safety/flood
&&
LAT...LON 4241 7822 4262 7805 4260 7796 4242 7807
4236 7803 4233 7816
$$
NYC029-037-180445-
/O.NEW.KBUF.FL.W.0010.220218T1353Z-220219T1346Z/
/WILN6.1.RS.220218T1353Z.220219T0000Z.220219T0745Z.NO/
1139 AM EST Thu Feb 17 2022
...FLOOD WARNING IN EFFECT FROM FRIDAY MORNING TO SATURDAY MORNING...
* WHAT...Minor flooding is forecast.
* WHERE...Ellicott Creek Near Williamsville.
* WHEN...From Friday morning to Saturday morning.
* IMPACTS...At 8.0 feet, Flood stage, some flooding begins along
Aero Drive from Holtz to Transit Roads in Cheektowaga. Also some
flooding along the flood control project area in Amherst such as
the bike path and golf course. Minor flooding in Ellicott Creek
Park. Little or no overall damage.
* ADDITIONAL DETAILS...
- At 11:15 AM EST Thursday the stage was 4.3 feet.
- Forecast...The river is expected to rise above flood stage
tomorrow morning to a crest of 9.5 feet tomorrow evening. It
will then fall below flood stage early Saturday morning.
- Flood stage is 8.0 feet.
- Flood History...This crest compares to a previous crest of
9.7 feet on 12/23/2013.
- http://www.weather.gov/safety/flood
&&
LAT...LON 4293 7875 4301 7889 4304 7889 4304 7875
4295 7865 4293 7865
$$
NYC037-055-180445-
/O.NEW.KBUF.FL.W.0011.220218T1912Z-220220T1500Z/
/CHRN6.1.RS.220218T1912Z.220219T1200Z.220220T0900Z.NO/
1139 AM EST Thu Feb 17 2022
...FLOOD WARNING IN EFFECT FROM FRIDAY AFTERNOON TO LATE SUNDAY
MORNING...
* WHAT...Minor flooding is forecast.
* WHERE...Black Creek At Churchville.
* WHEN...From Friday afternoon to late Sunday morning.
* IMPACTS...At 6.0 feet, Flood stage, more widespread agricultural
land flooding, some backyard and basement flooding Churchville to
Chili but minimal damages.
* ADDITIONAL DETAILS...
- At 11:00 AM EST Thursday the stage was 2.8 feet.
- Forecast...The river is expected to rise above flood stage
early tomorrow afternoon to a crest of 6.8 feet Saturday
morning. It will then fall below flood stage early Sunday
morning.
- Flood stage is 6.0 feet.
- Flood History...This crest compares to a previous crest of
6.8 feet on 02/21/1981.
- http://www.weather.gov/safety/flood
&&
LAT...LON 4306 7770 4306 7805 4313 7805 4313 7791
4312 7765
$$
JLA3 follow-up statements
619
WGUS81 KBUF 180414
FLSBUF
Flood Statement
National Weather Service Buffalo NY
1114 PM EST Thu Feb 17 2022
...The Flood Warning continues for the following rivers in New
York...
Genesee River At Wellsville affecting Wyoming, Livingston and
Allegany Counties.
Genesee River At Portageville affecting Wyoming, Livingston and
Allegany Counties.
.Earlier heavy rain fell on a deep primed snowpack leading to rapid
snowmelt. Runoff from the earlier heavy rainfall and snowmelt will
cause flows in rivers to increase quickly and reach critical levels.
For the Genesee River...including Wellsville, Portageville, Mt
Morris Dam, Avon, Rochester, Honeoye Falls...Minor flooding is
forecast.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Please report observed flooding to local emergency services or law
enforcement and request they pass this information to the National
Weather Service when you can do so safely.
Additional information is available at www.weather.gov.
The next statement will be issued Friday morning at 1115 AM EST.
&&
NYC003-051-121-181615-
/O.EXT.KBUF.FL.W.0006.220218T0800Z-220218T2200Z/
/WLLN6.1.RS.220218T0824Z.220218T1200Z.220218T1551Z.NO/
1114 PM EST Thu Feb 17 2022
...FLOOD WARNING NOW IN EFFECT FROM LATE TONIGHT TO TOMORROW
AFTERNOON...
* WHAT...Minor flooding is forecast.
* WHERE...Genesee River At Wellsville.
* WHEN...From late tonight to tomorrow afternoon.
* IMPACTS...At 11.0 feet, Flood stage, banks overflow and begin to
flood low lying areas outside the levees in places such as Scio
and Whitesville. Minor damages.
* ADDITIONAL DETAILS...
- At 9:45 PM EST Thursday the stage was 8.1 feet.
- Forecast...The river is expected to rise above flood stage
late tonight to a crest of 12.8 feet tomorrow morning. It
will then fall below flood stage late tomorrow morning.
- Flood stage is 11.0 feet.
- Flood History...This crest compares to a previous crest of
12.9 feet on 05/22/1919.
- For more information please visit
http://www.weather.gov/safety/flood
&&
LAT...LON 4208 7784 4208 7775 4200 7775 4200 7792
4233 7816 4236 7803
$$
NYC003-051-121-181615-
/O.EXT.KBUF.FL.W.0009.220218T1100Z-220218T2130Z/
/PRTN6.1.RS.220218T1117Z.220218T1200Z.220218T1513Z.NO/
1114 PM EST Thu Feb 17 2022
...FLOOD WARNING NOW IN EFFECT FROM FRIDAY MORNING TO TOMORROW
AFTERNOON...
* WHAT...Minor flooding is forecast.
* WHERE...Genesee River At Portageville.
* WHEN...From Friday morning to tomorrow afternoon.
* IMPACTS...At 19.0 feet, Flood stage, river begins to overflow into
agricultural lands from Belfast to Letchworth. Little damage.
* ADDITIONAL DETAILS...
- At 10:00 PM EST Thursday the stage was 12.1 feet.
- Forecast...The river is expected to rise above flood stage
tomorrow morning to a crest of 19.7 feet tomorrow morning. It
will then fall below flood stage late tomorrow morning.
- Flood stage is 19.0 feet.
- Flood History...This crest compares to a previous crest of
19.7 feet on 01/13/2017.
- For more information please visit
http://www.weather.gov/safety/flood
&&
LAT...LON 4241 7822 4262 7805 4260 7796 4242 7807
4236 7803 4233 7816
$$
SJW993
WGUS81 KBUF 181138
FLSBUF
Flood Statement
National Weather Service Buffalo NY
638 AM EST Fri Feb 18 2022
...The Flood Warning is extended for the following rivers in New
York...
Genesee River At Portageville affecting Wyoming, Livingston and
Allegany Counties.
...The Flood Warning continues for the following rivers in New
York...
Genesee River At Wellsville affecting Wyoming, Livingston and
Allegany Counties.
.Heavy rain and snowmelt yesterday will continue to produce flooding
today.
For the Genesee River...including Wellsville, Portageville...Minor
flooding is forecast.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Caution is urged when walking near riverbanks.
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Please report observed flooding to local emergency services or law
enforcement and request they pass this information to the National
Weather Service when you can do so safely.
Additional information is available at www.weather.gov.
The next statement will be issued this afternoon at 245 PM EST.
&&
NYC003-051-121-182200-
/O.EXT.KBUF.FL.W.0009.000000T0000Z-220218T2200Z/
/PRTN6.1.RS.220218T1145Z.220218T1200Z.220218T1600Z.NO/
638 AM EST Fri Feb 18 2022
...FLOOD WARNING NOW IN EFFECT UNTIL LATE THIS AFTERNOON...
* WHAT...Minor flooding is forecast.
* WHERE...Genesee River At Portageville.
* WHEN...Until late this afternoon.
* IMPACTS...At 19.0 feet, Flood stage, river begins to overflow into
agricultural lands from Belfast to Letchworth. Little damage.
* ADDITIONAL DETAILS...
- At 6:00 AM EST Friday the stage was 16.4 feet.
- Forecast...The river is expected to rise above flood stage
this morning to a crest of 19.8 feet this morning. It will
then fall below flood stage late this morning.
- Flood stage is 19.0 feet.
- Flood History...This crest compares to a previous crest of
19.7 feet on 01/13/2017.
- http://www.weather.gov/safety/flood
&&
LAT...LON 4241 7822 4262 7805 4260 7796 4242 7807
4236 7803 4233 7816
$$
NYC003-051-121-181945-
/O.EXT.KBUF.FL.W.0006.000000T0000Z-220218T1938Z/
/WLLN6.1.RS.220218T0810Z.220218T1116Z.220218T1338Z.NO/
638 AM EST Fri Feb 18 2022
...FLOOD WARNING NOW IN EFFECT UNTIL THIS AFTERNOON...
* WHAT...Minor flooding is occurring and minor flooding is forecast.
* WHERE...Genesee River At Wellsville.
* WHEN...Until this afternoon.
* IMPACTS...At 11.0 feet, Flood stage, banks overflow and begin to
flood lowlying areas outside the levees in places such as Scio and
Whitesville. Minor damages.
* ADDITIONAL DETAILS...
- At 6:16 AM EST Friday the stage was 11.7 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 6:16 AM EST Friday was 11.7 feet.
- Forecast...The river is expected to fall below flood stage
this morning and continue falling to 5.6 feet early Monday
morning.
- Flood stage is 11.0 feet.
- Flood History...This crest compares to a previous crest of
11.6 feet on 03/15/2007.
- http://www.weather.gov/safety/flood
&&
LAT...LON 4208 7784 4208 7775 4200 7775 4200 7792
4233 7816 4236 7803
$$
Hitchcock361
WGUS81 KBUF 181802
FLSBUF
Flood Statement
National Weather Service Buffalo NY
102 PM EST Fri Feb 18 2022
...The Flood Warning is cancelled for the following rivers in New
York...
Genesee River At Wellsville affecting Wyoming, Livingston and
Allegany Counties.
NYC003-051-121-181915-
/O.CAN.KBUF.FL.W.0006.000000T0000Z-220218T1802Z/
/WLLN6.1.RS.220218T0810Z.220218T1130Z.220218T1455Z.NO/
102 PM EST Fri Feb 18 2022
...FLOOD WARNING IS CANCELLED...
The Flood Warning is cancelled for
the Genesee River At Wellsville.
* ADDITIONAL DETAILS...
- At 11:45 AM EST Friday the stage was 10.8 feet.
- Forecast...The river is expected to fall to 5.5 feet Monday
morning.
- River flow continues to remain high but water levels have
fallen below flood stage. Remember to heed all closures and
warnings from local authorities.
http://www.weather.gov/safety/flood
&&
LAT...LON 4208 7784 4208 7775 4200 7775 4200 7792
4233 7816 4236 7803
$$
ARWhat forecasters said that day
The local office's own words before this river flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Buffalo, NY wrote its last area forecast discussion before this river flood warning went out at Feb 17, 10:14 AM EST, 1 hour 25 minutes earlier.
Area forecast discussion, Feb 17, 10:14 AM EST, 1 hour 25 minutes before
Area Forecast Discussion
National Weather Service Buffalo NY
1014 AM EST Thu Feb 17 2022
.SYNOPSIS...
Unseasonably warm temperatures will continue most of today, and a
moisture laden frontal system will bring widespread rainfall. The
combination of snowmelt and rain will increase the risk of flooding,
especially along rivers, creeks, and low lying areas. Rain will
change to an icy mix and then to snow from northwest to southeast
tonight, with moderate snow accumulations across the Niagara
Frontier and Jefferson County. Widespread precipitation will taper
off to scattered snow showers Friday morning, with much colder air
moving back into the region.
&&
.NEAR TERM /THROUGH TONIGHT/...
National radar shows rain extending from the Lower Mississippi
Valley across the Ohio Valley into western and north central NY this
morning. A complex and impactful synoptic system will cross the area
over the next 24 hours with a myriad of weather concerns ranging
from rain and flooding to snow, ice, and a flash freeze.
Unseasonable warmth is in place early this morning with temperatures
well into the 40s areawide, and lower 50s on the lake plains aided
by gusty SSW downslope flow. Widespread rain will continue across
the forecast area this morning with amounts ranging from 0.30-0.60
across the Niagara Frontier and less than 0.25 inches elsewhere from
the last 6 hours.
Synoptic Setup...
A sharp frontal zone draped from the Southern Plains to southern
Quebec this morning will sag southeast through tonight, crossing our
region this evening. Meanwhile several baroclinic waves will run
northeast along the boundary, enhancing low level convergence,
frontogenesis, and differential thermal advection. A series of mid
level shortwaves will cross the region ahead of a trough digging
into the Great Lakes, and the eastern Great Lakes will remain in the
right entrance region of a strong 160+ knot upper level jet through
the period. 36+ hours of deep SSW flow ahead of the system will
transport a plume of anomalous moisture northward into the eastern
Great Lakes. The quality of moisture and dynamics coming together
will support widespread, moderate to heavy precipitation today and
tonight.
Rainfall...
Widespread precipitation will continue tonight, but will transition
to ice and then snow from northwest to southeast as colder air
rushes back into the region. Precipitation totals of 0.75" to 1.25"
are expected while the precipitation is falling as rain, with
additional liquid equivalent then falling as ice and/or snow as
temperatures cool. During the period of freezing rain precipitation
rates will be quite heavy, which will allow for runoff to continue
even with temperatures near or just below freezing.
Winter Weather...
Precipitation will be all rain through late afternoon. The surface
cold front will enter the Niagara Frontier and Saint Lawrence Valley
by very late afternoon or early evening. The very sharp temperature
gradient will bring a rapid drop in temperatures, with rain changing
to freezing rain by early evening across Niagara and northern
Jefferson counties. The change to ice will then progress steadily
southeast across the area, reaching Allegany County, the western
Finger Lakes, and areas southeast of Lake Ontario by late evening or
midnight. As the shallow wedge of cold air deepens the freezing rain
will mix with, or change to sleet. The wintry mix will last for a
few hours at any given location before the onset of deeper cold
advection allows for a change to snow from northwest to southeast.
The mix may change to snow as early as mid evening across the
Niagara Frontier.
As far as snow amounts go, there will be a very sharp drop off in
snow amounts with the southern edge of heavier snow bisecting the
northern portion of the CWA. Expect 4-7" of snow across Niagara and
Orleans counties and possibly far northern Jefferson County as well.
If precipitation changes to all snow fast enough, low end warning
amounts of over 7" cannot be ruled out in this area. The next row of
counties south, including Chautauqua, Erie, Genesee, Monroe may see
2-4" of snow, with less than 2" from the interior Southern Tier to
the western Finger Lakes and counties southeast of Lake Ontario. The
southern edge of heavier snow amounts will be very sensitive to the
position and timing of the front, but the past few model runs have
been fairly consistent.
For ice amounts, expect 0.10"-0.20" across much of Western NY and
the North Country, less than 0.10" from the interior Southern Tier
into the western Finger Lakes and points southeast of Lake Ontario.
Precipitation rates will be quite heavy during the freezing rain, so
there will likely be more QPF falling as freezing rain than these
numbers. High precipitation rates in freezing rain results in very
inefficient conversion to ice, with a large amount of runoff.
Winds...
SSW winds will continue to be quite gusty today, with gusts of 30-40
mph common across the area. Wind gusts will diminish with the
passage of the cold front late this afternoon and evening. There
will be a brief surge of stronger northerly winds overnight behind
the front as colder air rushes back into the region, and this will
bring gusts of 25-35 mph areawide and 40+mph along the south shore
of Lake Ontario.
Temperatures...
It will remain warm today, with temperatures in the 40s and 50s
through early to mid afternoon. Temperatures will then plummet from
northwest to southeast late afternoon and tonight with the passage
of the cold front. The rapid drop in temperatures in combination
with a wintry mix changing to snow will likely result in very
hazardous road conditions with ice on untreated surfaces, in some
cases with snow on top.
&&
.SHORT TERM /FRIDAY THROUGH FRIDAY NIGHT/...
Arctic air will briefly visit our region Friday, with limited lake
effect snow to the south and southeast of the Lakes. Lake effect
parameters peak midday, and a wealth of dry air by midday at 850 hPa
and higher will keep lake bands shallow. Snow of a couple of inches
is possible southeast of Lake Ontario before the snow tapers off
Friday afternoon.
Friday evening will generally be quiet with some clearing as a
surface ridge passes across the region. This will allow for
temperatures to quickly drop. Overnight lows will occur around or
just after midnight before warming aloft along with an increase in
clouds over a southerly flow will bring rising temperatures late.
Another sharp cold front will reach WNY late in the night as an
Alberta Clipper tracks across southern Canada. Ahead of this feature
snow...enhanced by the lakes...will fall late. An increasing LLJ of
40 knots at 2 to 3K feet and within steep lapse rates will mix down
ahead of the front allowing for southwest winds to increase to
around 35 to 40 mph northeast of the Lakes...creating blowing of
snow...which along with the falling snow will reduce visibilities.
Though brief, this time period late Friday Night will need to be
watched for snow squalls.
&&
.LONG TERM /SATURDAY THROUGH WEDNESDAY/...
Saturday, models continue to be in good agreement with a strong
shortwave and associated low passing across our region. While the
low will be filling, there will be a strong wind field with this
low, such that with cold air advection behind the front the
increased mixing heights will allow for gusts to at least 40 mph
across much of the region through the day. This cold front, passing
across the region midday, will also produce a burst of snow though
accumulations will be minor with just an inch or two. Though amounts
will be minor, the quick burst of snow with lowering visibilities
could impact travel early Saturday. Temperatures peaking ahead of
the front will likely fall through the afternoon hours.
There will be a brief window for lake effect snow Saturday Night as
the temperatures at 850 hPa plummet to the low negative teens
Celsius. Moisture and convergence looks to be greatest downwind of
Lake Ontario, though there will still be a fair amount of wind shear
through the boundary layer. Areas across the southern Tug Hill and
then southeast of Lake Ontario could receive several inches to
possibly near advisory level snows Saturday Night. Surface high
pressure will ridge across the Lakes later Saturday Night, ending
the lake snows now to the south of the Lakes as winds become
northerly.
As the winds slacken Saturday Night with the approaching surface
high late night radiational cooling conditions will drop temperatures
into the single digits inland, and likely below zero east of Lake
Ontario.
Early next week a long wave trough will develop over the western
coastline of the US, with downstream ridging building northward from
the Southeast. A zonal flow initially will become more
amplified...and active as pieces of energy from the upstream trough
eject across the Plains and towards the Great Lakes.
Surface high pressure will bring a dry day Sunday, and possibly
Monday as a frontal boundary lingers just to our west. By Tuesday
and Wednesday this frontal boundary will push eastward, with energy
aloft and moisture advection bringing another period of rainfall to
our region.
Temperatures above normal Sunday will be some 10 degrees or so above
normal Monday and Tuesday bringing another period of snowmelt (for
areas that did not completely melt during this currently warm
spell). Cold air advection later Wednesday will bring temperatures
dropping back to near normal late in the day.
&&
.AVIATION /15Z THURSDAY THROUGH MONDAY/...
Steady, widespread rain will continue to overspread the area
this morning with CIGS/VSBY deteriorating to MVFR. A cold front
will then move southeast across the area this afternoon, with
the resulting steep post-frontal inversion and ongoing moderate
to heavy precipitation allowing widespread IFR CIGS/VSBY to
develop this afternoon areawide. Added low level wind shear to
the TAFs this morning as there is little mixing with 50kts at 2k
feet. The low level jet will weaken by this afternoon.
The cold front will introduce a wedge of low level cold air,
allowing rain to change to a period of freezing rain from northwest
to southeast late this afternoon and evening. The freezing rain will
then mix with sleet as colder air deepens slightly, and then to snow
overnight from northwest to southeast. The wintry mix will be
moderate to heavy, with significant impacts to airfield operations
possible. The wintry mix will change to all snow after midnight, and
then taper off to light snow by Friday morning.
Outlook...
Friday...Early morning IFR in snow improving to MVFR/VFR.
Friday Night...Mainly VFR/MVFR with a chance of lake effect snow
showers and localized IFR possible to the south and southeast of
the Lakes.
Saturday...Snow showers likely with areas of IFR. Windy.
Sunday and Monday...Mainly VFR.
&&
.MARINE...
Strong SSW winds will continue through the first half of today. A
cold front will then cross the eastern Great Lakes from northwest to
southeast late afternoon and early evening. Winds will temporarily
diminish with the cold frontal passage. A surge of strong northerly
winds will then develop later tonight through Friday morning. This
will maintain Small Craft Advisory conditions on Lake Ontario and
Lake Erie through Friday.
A reinforcing cold front will move across the lake Saturday. Gale
force winds to 35 knots are possible Friday night into Saturday
behind the cold front. A Gale Watch is in effect on Lake Ontario.
&&
.HYDROLOGY...
...FLOODING LIKELY TODAY THROUGH FRIDAY...
A Flood Watch remains in effect for the entire region today
through Friday for multiple flood risks.
Widespread rain today and this evening will change to ice and
then snow tonight. Rainfall amounts of 0.75" to 1.25" are
expected, with additional QPF falling as ice and snow. Very warm
temperatures, higher dewpoints, and a gusty breeze will hasten
snowmelt today. The excessive runoff from rain and rapid
snowmelt will result in significant rises on area rivers,
creeks, and streams. Runoff will also likely result in flooding
of poor drainage areas.
The latest RFC forecasts suggest many of the larger rivers in
Western NY will reach or exceed flood stage, including all the
Buffalo area creeks, Tonawanda Creek, Cattaraugus Creek, the
upper Genesee, upper Allegheny, Black Creek, and Oatka Creek.
This is due to the combination of rain and snowmelt.
There is also a significant risk of ice jam flooding today and
tonight as the rising water aids in ice breakup. The Buffalo
area creeks and Cattaraugus Creek have a significant history of
ice jam flooding and are at greatest risk. Ice jams may result
in localized areas of greater flood impact as high flows back up
behind ice jams.
&&
.BUF WATCHES/WARNINGS/ADVISORIES...
NY...Flood Watch through Friday evening for NYZ001>008-010>014-
019>021-085.
Winter Weather Advisory from 7 PM this evening to 9 AM EST
Friday for NYZ003-007-010-011-019-085.
Winter Weather Advisory from 11 PM this evening to 9 AM EST
Friday for NYZ004>006-008.
Winter Weather Advisory from 5 PM this afternoon to 9 AM EST
Friday for NYZ001-002.
Winter Weather Advisory from 9 PM this evening to 9 AM EST
Friday for NYZ012>014-020-021.
MARINE...Small Craft Advisory until 7 AM EST Friday for LEZ040-041.
Gale Watch from late Friday night through Saturday
evening for LOZ042>045-062>065.
Small Craft Advisory until 7 PM EST Friday for LOZ043>045.
Small Craft Advisory until 1 PM EST Friday for LOZ042.
&&
SYNOPSIS...Hitchcock
NEAR TERM...Hitchcock/HSK
SHORT TERM...Thomas
LONG TERM...Thomas
AVIATION...Hitchcock/HSK
MARINE...Hitchcock
HYDROLOGY...HitchcockHazardous weather outlook, Feb 17, 4:05 AM EST, 7 hours 34 minutes before
Hazardous Weather Outlook National Weather Service Buffalo NY 405 AM EST Thu Feb 17 2022 NYZ004>006-008-180915- Wayne-Northern Cayuga-Oswego-Lewis- 405 AM EST Thu Feb 17 2022 ...FLOOD WATCH IN EFFECT FROM 10 AM EST THIS MORNING THROUGH FRIDAY EVENING... ...WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 9 AM EST FRIDAY... This Hazardous Weather Outlook is for portions of western and north central New York. .DAY ONE...Today and tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Flood Watch. Winter Weather Advisory. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Flood Watch. Winter Weather Advisory. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. This product, along with other watches, warnings, advisories, and statements issued by the National Weather Service office in Buffalo can be found on the internet at http://www.weather.gov/buf NYZ007-180915- Jefferson- 405 AM EST Thu Feb 17 2022 ...FLOOD WATCH IN EFFECT FROM 10 AM EST THIS MORNING THROUGH FRIDAY EVENING... ...WINTER WEATHER ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 9 AM EST FRIDAY... This Hazardous Weather Outlook is for portions of central New York. .DAY ONE...Today and tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Flood Watch. Winter Weather Advisory. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Flood Watch. Winter Weather Advisory. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. This product, along with other watches, warnings, advisories, and statements issued by the National Weather Service office in Buffalo can be found on the internet at http://www.weather.gov/buf NYZ012-013-020-021-180915- Wyoming-Livingston-Cattaraugus-Allegany- 405 AM EST Thu Feb 17 2022 ...FLOOD WATCH IN EFFECT THROUGH FRIDAY EVENING... ...WINTER WEATHER ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 9 AM EST FRIDAY... This Hazardous Weather Outlook is for portions of western New York. .DAY ONE...Today and tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Flood Watch. Winter Weather Advisory. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Flood Watch. Winter Weather Advisory. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. This product, along with other watches, warnings, advisories, and statements issued by the National Weather Service office in Buffalo can be found on the internet at http://www.weather.gov/buf NYZ001-002-180915- Niagara-Orleans- 405 AM EST Thu Feb 17 2022 ...FLOOD WATCH IN EFFECT THROUGH FRIDAY EVENING... ...WINTER WEATHER ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 9 AM EST FRIDAY... This Hazardous Weather Outlook is for portions of western New York. .DAY ONE...Today and tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Flood Watch. Winter Weather Advisory. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Flood Watch. Winter Weather Advisory. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. This product, along with other watches, warnings, advisories, and statements issued by the National Weather Service office in Buffalo can be found on the internet at http://www.weather.gov/buf NYZ003-010-011-019-085-180915- Monroe-Northern Erie-Genesee-Chautauqua-Southern Erie- 405 AM EST Thu Feb 17 2022 ...FLOOD WATCH IN EFFECT THROUGH FRIDAY EVENING... ...WINTER WEATHER ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 9 AM EST FRIDAY... This Hazardous Weather Outlook is for portions of western New York. .DAY ONE...Today and tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Flood Watch. Winter Weather Advisory. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Flood Watch. Winter Weather Advisory. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. This product, along with other watches, warnings, advisories, and statements issued by the National Weather Service office in Buffalo can be found on the internet at http://www.weather.gov/buf NYZ014-180915- Ontario- 405 AM EST Thu Feb 17 2022 ...FLOOD WATCH IN EFFECT FROM 10 AM EST THIS MORNING THROUGH FRIDAY EVENING... ...WINTER WEATHER ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 9 AM EST FRIDAY... This Hazardous Weather Outlook is for portions of western New York. .DAY ONE...Today and tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Flood Watch. Winter Weather Advisory. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Flood Watch. Winter Weather Advisory. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. This product, along with other watches, warnings, advisories, and statements issued by the National Weather Service office in Buffalo can be found on the internet at http://www.weather.gov/buf LEZ020-040-041-LOZ030-180915- Upper Niagara River and Buffalo Harbor- Lake Erie nearshore waters from Ripley to Dunkirk- Lake Erie nearshore waters from Dunkirk to Buffalo- Lower Niagara River- 405 AM EST Thu Feb 17 2022 This Hazardous Weather Outlook is for portions of Lake Erie and Lake Ontario. .DAY ONE...Today and tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. This product, along with other watches, warnings, advisories, and statements issued by the National Weather Service office in Buffalo can be found on the internet at http://www.weather.gov/buf LOZ042>045-062>065-180915- Lake Ontario nearshore waters from the Niagara River to Hamlin Beach- Lake Ontario nearshore waters from Hamlin Beach to Sodus Bay- Lake Ontario nearshore waters from Sodus Bay to Mexico Bay- Lake Ontario nearshore waters from Mexico Bay to the Saint Lawrence River- Lake Ontario open waters from the Niagara River to Hamlin Beach- Lake Ontario open waters from Hamlin Beach to Sodus Bay- Lake Ontario open waters from Sodus Bay to Mexico Bay- Lake Ontario open waters from Mexico Bay to the Saint Lawrence River- 405 AM EST Thu Feb 17 2022 ...GALE WATCH IN EFFECT FROM LATE FRIDAY NIGHT THROUGH SATURDAY EVENING... This Hazardous Weather Outlook is for portions of Lake Ontario. .DAY ONE...Today and tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Gale Watch. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. This product, along with other watches, warnings, advisories, and statements issued by the National Weather Service office in Buffalo can be found on the internet at http://www.weather.gov/buf SLZ022-024-180915- Saint Lawrence River from Cape Vincent to Ogdensburg- Saint Lawrence River from Ogdensburg to Saint Regis- 405 AM EST Thu Feb 17 2022 This Hazardous Weather Outlook is for the New York waters of the Saint Lawrence River. .DAY ONE...Today and tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. This product, along with other watches, warnings, advisories, and statements issued by the National Weather Service office in Buffalo can be found on the internet at http://www.weather.gov/buf Hitchcock
The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 17, 3:31 AM EST | Gale Watch | BUF | 24 hr | |
| Feb 17, 3:38 AM EST | Winter Weather Advisory | BUF | Allegany, Cattaraugus, Cayuga, Chautauqua, Erie, Genesee and 10 more | 29 hr |
| Feb 17, 6:34 AM EST | River Flood Warning | BUF | Erie | 33 hr |
| Feb 17, 6:34 AM EST | River Flood Warning | BUF | Erie, Wyoming | 36 hr |
| Feb 17, 6:34 AM EST | River Flood Warning | BUF | Erie, Wyoming | 38 hr |
| Feb 17, 8:31 AM EST | Areal Flood Warning | BUF | Cattaraugus, Chautauqua, Erie | 35 hr |
| Feb 17, 8:50 AM EST | Areal Flood Warning | BUF | Erie | 35 hr |
| Feb 17, 10:18 AM EST | River Flood Warning | BUF | Cattaraugus | 4 days |
| Feb 17, 10:18 AM EST | River Flood Warning | BUF | Cattaraugus | 43 hr |
| Feb 17, 11:39 AM EST | River Flood Warning | BUF | Erie, Genesee | 25 hr |
| Feb 17, 11:39 AM EST | River Flood Warning | BUF | Genesee, Monroe | 4 days |
| Feb 17, 11:39 AM EST | River Flood Warning | BUF | Cattaraugus, Chautauqua, Erie, Wyoming | 19 hr |
| Feb 17, 11:39 AM EST | River Flood Warning | BUF | Erie, Genesee, Niagara, Wyoming | 48 hr |
| Feb 17, 11:39 AM EST | River Flood Warning | BUF | Allegany, Livingston, Wyoming | 43 hr |
| Feb 17, 1:15 PM EST | Winter Storm Warning | BUF | Niagara, Orleans | 20 hr |
| Feb 17, 5:00 PM EST | Areal Flood Warning | BUF | Monroe | 46 hr |
| Feb 17, 6:35 PM EST | Small Craft Advisory | BUF | 18 hr |
Nearby
River Flood Warnings in New York, 2022Every river flood warning in 2022
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.