Alert archive / New York / Flash Flood Watches in 2017

Flash Flood Watch 5, NWS Buffalo, NY

October 28, 20179 counties in New York

NWS Buffalo, NY issued this flash flood watch at Oct 28, 2017, 4:02 AM EDT for 9 counties in New York. It took effect at Oct 29, 2017, 4:00 PM EDT. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Oct 28, 2017, 4:02 AM EDT (08:02 UTC)
In effect from
Oct 29, 2017, 4:00 PM EDT
Expired
Oct 30, 2017, 3:56 AM EDT
In force
12 hr
Issued by
NWS Buffalo, NY
Flood severity
None

Counties Allegany County, NY, Cayuga County, NY, Jefferson County, NY, Lewis County, NY, Livingston County, NY, Monroe County, NY, Ontario County, NY, Oswego County, NY, Wayne County, NY

The radar

The Ft Drum radar (KTYX), 119 km from the middle of the area, began a volume at 08:03 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

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 8.0 hours before the alert went out and 149 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-pSkew-T log-p diagram, Buffalo Intl Airport, NY at 00:00Z on 2017-10-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Buffalo Intl Airport, NY at 00:00Z on 2017-10-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 231 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
1856 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
231 m²/s²
0-3 km storm-relative helicity
303 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

331 
WGUS61 KBUF 280802
FFABUF

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Buffalo NY
402 AM EDT Sat Oct 28 2017


NYZ003-004-013-014-021-281615-
/O.NEW.KBUF.FF.A.0005.171029T2000Z-171030T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Monroe-Wayne-Livingston-Ontario-Allegany-
Including the cities of Rochester, Newark, Geneseo, Canandaigua, 
and Wellsville
402 AM EDT Sat Oct 28 2017

...FLASH FLOOD WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH
MONDAY MORNING...

The National Weather Service in Buffalo has issued a

* Flash Flood Watch for a portion of western New York... 
  including the following counties...Allegany...Livingston... 
  Monroe...Ontario and Wayne. 

* From Sunday afternoon through Monday morning.

* Numerous rounds of moderate to heavy rainfall are expected
  across the Genesee Valley and western Finger Lakes Sunday
  through early Monday. Rainfall totals of 2 to 3 inches are
  possible over a 48 hour period.

* Excessive runoff from the heavy rainfall may result in flooding
  of low lying areas and also small streams and creeks. Drainage
  inlets clogged by leaves may increase the risk of street
  flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flash Flood Watch means the threat of flash flooding exists
along rivers and creeks. If you are in the watch area you should
monitor weather conditions closely. Be ready to move to higher
ground if flooding is observed or a warning is issued. Stay tuned
to weather radio or other radio and tv stations for further
updates.

&&

$$

NYZ005>008-281615-
/O.NEW.KBUF.FF.A.0005.171029T2000Z-171030T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Northern Cayuga-Oswego-Jefferson-Lewis-
Including the cities of Fair Haven, Oswego, Watertown, 
and Lowville
402 AM EDT Sat Oct 28 2017

...FLASH FLOOD WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH
MONDAY MORNING...

The National Weather Service in Buffalo has issued a

* Flash Flood Watch for a portion of central New York... 
  including the following counties...Jefferson...Lewis... 
  Northern Cayuga and Oswego. 

* From Sunday afternoon through Monday morning.

* Numerous rounds of moderate to heavy rainfall are expected
  across the eastern Lake Ontario region Sunday through early
  Monday. Rainfall totals of 3 to 5 inches are possible over a 48
  hour period.

* Excessive runoff from the heavy rainfall may result in
  significant flooding of low lying areas and also small streams
  and creeks. Drainage inlets clogged by leaves may increase the
  risk of street flooding. Flooding of larger rivers such as the
  Black River, Moose River, and Salmon River is also possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flash Flood Watch means the threat of flash flooding exists
along rivers and creeks. If you are in the watch area you should
monitor weather conditions closely. Be ready to move to higher
ground if flooding is observed or a warning is issued. Stay tuned
to weather radio or other radio and tv stations for further
updates.

&&

$$

HITCHCOCK/CHURCH
8 follow-up statements
432 
WGUS61 KBUF 281609
FFABUF

Flood Watch
National Weather Service Buffalo NY
1209 PM EDT Sat Oct 28 2017

NYZ003-004-013-014-021-290015-
/O.CON.KBUF.FF.A.0005.171029T2000Z-171030T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Monroe-Wayne-Livingston-Ontario-Allegany-
Including the cities of Rochester, Newark, Geneseo, Canandaigua, 
and Wellsville
1209 PM EDT Sat Oct 28 2017

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON
THROUGH MONDAY MORNING...

The Flash Flood Watch continues for

* A portion of western New York...including the following 
  counties...Allegany...Livingston...Monroe...Ontario and Wayne. 

* From Sunday afternoon through Monday morning.

* Numerous rounds of moderate to heavy rainfall are expected 
  across the Genesee Valley and western Finger Lakes Sunday 
  through early Monday. Rainfall totals of 2 to 3 inches are 
  possible over a 48 hour period. 

* Excessive runoff from the heavy rainfall may result in 
  flooding of low lying areas and also small streams and creeks. 
  Drainage inlets clogged by leaves may increase the risk of 
  street flooding. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flash Flood Watch means the threat of flash flooding exists
along rivers and creeks. If you are in the watch area you should
monitor weather conditions closely. Be ready to move to higher
ground if flooding is observed or a warning is issued. Stay tuned
to weather radio or other radio and tv stations for further
updates.

&&

$$

NYZ005>008-290015-
/O.CON.KBUF.FF.A.0005.171029T2000Z-171030T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Northern Cayuga-Oswego-Jefferson-Lewis-
Including the cities of Fair Haven, Oswego, Watertown, 
and Lowville
1209 PM EDT Sat Oct 28 2017

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON
THROUGH MONDAY MORNING...

The Flash Flood Watch continues for

* A portion of central New York...including the following 
  counties...Jefferson...Lewis...Northern Cayuga and Oswego. 

* From Sunday afternoon through Monday morning.

* Numerous rounds of moderate to heavy rainfall are expected 
  across the eastern Lake Ontario region Sunday through early 
  Monday. Rainfall totals of 3 to 5 inches are possible over a 
  48 hour period. 

* Excessive runoff from the heavy rainfall may result in 
  significant flooding of low lying areas and also small streams 
  and creeks. Drainage inlets clogged by leaves may increase the 
  risk of street flooding. Flooding of larger rivers such as the 
  Black River, Moose River, and Salmon River is also possible. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flash Flood Watch means the threat of flash flooding exists
along rivers and creeks. If you are in the watch area you should
monitor weather conditions closely. Be ready to move to higher
ground if flooding is observed or a warning is issued. Stay tuned
to weather radio or other radio and tv stations for further
updates.

&&

$$

ZAFF
555 
WGUS61 KBUF 282218
FFABUF

Flood Watch
National Weather Service Buffalo NY
618 PM EDT Sat Oct 28 2017

NYZ003-004-013-014-021-290630-
/O.CON.KBUF.FF.A.0005.171029T2000Z-171030T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Monroe-Wayne-Livingston-Ontario-Allegany-
Including the cities of Rochester, Newark, Geneseo, Canandaigua, 
and Wellsville
618 PM EDT Sat Oct 28 2017

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON
THROUGH MONDAY MORNING...

The Flash Flood Watch continues for

* A portion of western New York...including the following 
  counties...Allegany...Livingston...Monroe...Ontario and Wayne. 

* From Sunday afternoon through Monday morning.

* Numerous rounds of moderate to heavy rainfall are expected 
  across the Genesee Valley and western Finger Lakes Sunday 
  through early Monday. Rainfall totals of 2 to 3 inches are 
  possible over a 48 hour period. 

* Excessive runoff from the heavy rainfall may result in 
  flooding of low lying areas and also small streams and creeks. 
  Drainage inlets clogged by leaves may increase the risk of 
  street flooding. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flash Flood Watch means the threat of flash flooding exists
along rivers and creeks. If you are in the watch area you should
monitor weather conditions closely. Be ready to move to higher
ground if flooding is observed or a warning is issued. Stay tuned
to weather radio or other radio and tv stations for further
updates.

&&

$$

NYZ005>008-290630-
/O.CON.KBUF.FF.A.0005.171029T2000Z-171030T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Northern Cayuga-Oswego-Jefferson-Lewis-
Including the cities of Fair Haven, Oswego, Watertown, 
and Lowville
618 PM EDT Sat Oct 28 2017

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON
THROUGH MONDAY MORNING...

The Flash Flood Watch continues for

* A portion of central New York...including the following 
  counties...Jefferson...Lewis...Northern Cayuga and Oswego. 

* From Sunday afternoon through Monday morning.

* Numerous rounds of moderate to heavy rainfall are expected 
  across the eastern Lake Ontario region Sunday through early 
  Monday. Rainfall totals of 3 to 5 inches are possible over a 
  48 hour period. 

* Excessive runoff from the heavy rainfall may result in 
  significant flooding of low lying areas and also small streams 
  and creeks. Drainage inlets clogged by leaves may increase the 
  risk of street flooding. Flooding of larger rivers such as the 
  Black River, Moose River, and Salmon River is also possible. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flash Flood Watch means the threat of flash flooding exists
along rivers and creeks. If you are in the watch area you should
monitor weather conditions closely. Be ready to move to higher
ground if flooding is observed or a warning is issued. Stay tuned
to weather radio or other radio and tv stations for further
updates.

&&

$$
369 
WGUS61 KBUF 290211
FFABUF

Flood Watch
National Weather Service Buffalo NY
1011 PM EDT Sat Oct 28 2017

NYZ003-004-013-014-021-291015-
/O.CON.KBUF.FF.A.0005.171029T2000Z-171030T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Monroe-Wayne-Livingston-Ontario-Allegany-
Including the cities of Rochester, Newark, Geneseo, Canandaigua, 
and Wellsville
1011 PM EDT Sat Oct 28 2017

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON
THROUGH MONDAY MORNING...

The Flash Flood Watch continues for

* A portion of western New York...including the following 
  counties...Allegany...Livingston...Monroe...Ontario and Wayne. 

* From Sunday afternoon through Monday morning.

* Numerous rounds of moderate to heavy rainfall are expected 
  across the Genesee Valley and western Finger Lakes Sunday 
  through early Monday. Rainfall totals of 2 to 3 inches are 
  possible over a 48 hour period. 

* Excessive runoff from the heavy rainfall may result in 
  flooding of low lying areas and also small streams and creeks. 
  Drainage inlets clogged by leaves may increase the risk of 
  street flooding. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flash Flood Watch means the threat of flash flooding exists
along rivers and creeks. If you are in the watch area you should
monitor weather conditions closely. Be ready to move to higher
ground if flooding is observed or a warning is issued. Stay tuned
to weather radio or other radio and tv stations for further
updates.

&&

$$

NYZ005>008-291015-
/O.CON.KBUF.FF.A.0005.171029T2000Z-171030T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Northern Cayuga-Oswego-Jefferson-Lewis-
Including the cities of Fair Haven, Oswego, Watertown, 
and Lowville
1011 PM EDT Sat Oct 28 2017

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON
THROUGH MONDAY MORNING...

The Flash Flood Watch continues for

* A portion of central New York...including the following 
  counties...Jefferson...Lewis...Northern Cayuga and Oswego. 

* From Sunday afternoon through Monday morning.

* Numerous rounds of moderate to heavy rainfall are expected 
  across the eastern Lake Ontario region Sunday through early 
  Monday. Rainfall totals of 3 to 5 inches are possible over a 
  48 hour period. 

* Excessive runoff from the heavy rainfall may result in 
  significant flooding of low lying areas and also small streams 
  and creeks. Drainage inlets clogged by leaves may increase the 
  risk of street flooding. Flooding of larger rivers such as the 
  Black River, Moose River, and Salmon River is also possible. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flash Flood Watch means the threat of flash flooding exists
along rivers and creeks. If you are in the watch area you should
monitor weather conditions closely. Be ready to move to higher
ground if flooding is observed or a warning is issued. Stay tuned
to weather radio or other radio and tv stations for further
updates.

&&

$$
078 
WGUS61 KBUF 290821
FFABUF

Flood Watch
National Weather Service Buffalo NY
421 AM EDT Sun Oct 29 2017


NYZ003-004-013-014-021-291630-
/O.CON.KBUF.FF.A.0005.171029T2000Z-171030T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Monroe-Wayne-Livingston-Ontario-Allegany-
Including the cities of Rochester, Newark, Geneseo, Canandaigua, 
and Wellsville
421 AM EDT Sun Oct 29 2017

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 4 PM EDT THIS
AFTERNOON THROUGH MONDAY MORNING...

The Flash Flood Watch continues for

* A portion of western New York...including the following 
  counties...Allegany...Livingston...Monroe...Ontario and Wayne. 

* From 4 PM EDT this afternoon through Monday morning.

* Numerous rounds of moderate to heavy rainfall are expected
  across the Genesee Valley and western Finger Lakes today through
  early Monday. Rainfall totals of 2 to 3 inches are expected 
  over a 48 hour period. 

* Excessive runoff from the heavy rainfall may result in 
  flooding of low lying areas and also small streams and creeks. 
  Drainage inlets clogged by leaves may increase the risk of 
  street flooding. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flash Flood Watch means the threat of flash flooding exists
along rivers and creeks. If you are in the watch area you should
monitor weather conditions closely. Be ready to move to higher
ground if flooding is observed or a warning is issued. Stay tuned
to weather radio or other radio and tv stations for further
updates.

&&

$$

NYZ005>008-291630-
/O.CON.KBUF.FF.A.0005.171029T2000Z-171030T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Northern Cayuga-Oswego-Jefferson-Lewis-
Including the cities of Fair Haven, Oswego, Watertown, 
and Lowville
421 AM EDT Sun Oct 29 2017

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 4 PM EDT THIS
AFTERNOON THROUGH MONDAY MORNING...

The Flash Flood Watch continues for

* A portion of central New York...including the following 
  counties...Jefferson...Lewis...Northern Cayuga and Oswego. 

* From 4 PM EDT this afternoon through Monday morning.

* Numerous rounds of moderate to heavy rainfall are expected
  across the eastern Lake Ontario region today through early 
  Monday. Rainfall totals of 3 to 5 inches are possible over a 48 
  hour period. 

* Excessive runoff from the heavy rainfall may result in 
  significant flooding of low lying areas and also small streams 
  and creeks. Drainage inlets clogged by leaves may increase the 
  risk of street flooding. Flooding of larger rivers such as the 
  Black River, Moose River, and Salmon River is also possible. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flash Flood Watch means the threat of flash flooding exists
along rivers and creeks. If you are in the watch area you should
monitor weather conditions closely. Be ready to move to higher
ground if flooding is observed or a warning is issued. Stay tuned
to weather radio or other radio and tv stations for further
updates.

&&

$$

HITCHCOCK/CHURCH
946 
WGUS61 KBUF 291345
FFABUF

Flood Watch
National Weather Service Buffalo NY
945 AM EDT Sun Oct 29 2017


NYZ003-004-013-014-021-292200-
/O.CON.KBUF.FF.A.0005.171029T2000Z-171030T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Monroe-Wayne-Livingston-Ontario-Allegany-
Including the cities of Rochester, Newark, Geneseo, Canandaigua, 
and Wellsville
945 AM EDT Sun Oct 29 2017

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 4 PM EDT THIS
AFTERNOON THROUGH MONDAY MORNING...

The Flash Flood Watch continues for

* A portion of western New York...including the following 
  counties...Allegany...Livingston...Monroe...Ontario and Wayne. 

* From 4 PM EDT this afternoon through Monday morning.

* Numerous rounds of moderate to heavy rainfall are expected 
  across the Genesee Valley and western Finger Lakes today 
  through early Monday. Rainfall totals of 2 to 3 inches are 
  expected over a 48 hour period. 

* Excessive runoff from the heavy rainfall may result in 
  flooding of low lying areas and also small streams and creeks. 
  Drainage inlets clogged by leaves may increase the risk of 
  street flooding. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flash Flood Watch means the threat of flash flooding exists
along rivers and creeks. If you are in the watch area you should
monitor weather conditions closely. Be ready to move to higher
ground if flooding is observed or a warning is issued. Stay tuned
to weather radio or other radio and tv stations for further
updates.

&&

$$

NYZ005>008-292200-
/O.CON.KBUF.FF.A.0005.171029T2000Z-171030T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Northern Cayuga-Oswego-Jefferson-Lewis-
Including the cities of Fair Haven, Oswego, Watertown, 
and Lowville
945 AM EDT Sun Oct 29 2017

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 4 PM EDT THIS
AFTERNOON THROUGH MONDAY MORNING...

The Flash Flood Watch continues for

* A portion of central New York...including the following
  counties...Jefferson...Lewis...Oswego...and Northern Cayuga.
 
* From 4 PM EDT this afternoon through Monday morning.

* Numerous rounds of moderate to heavy rainfall are expected
  across the eastern Lake Ontario region today through early
  Monday. The heaviest rainfall is expected to be tonight.
  Rainfall totals of 3 to 5 inches are expected over a 48 hour
  period.

* Excessive runoff from the heavy rainfall may result in 
  significant flooding of low lying areas and also small streams 
  and creeks. Drainage inlets clogged by leaves may increase the 
  risk of street flooding. Flooding of larger rivers such as the 
  Black River, Moose River, and Salmon River is also possible. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flash Flood Watch means the threat of flash flooding exists
along rivers and creeks. If you are in the watch area you should
monitor weather conditions closely. Be ready to move to higher
ground if flooding is observed or a warning is issued. Stay tuned
to weather radio or other radio and tv stations for further
updates.

&&

$$

Apffel
400 
WGUS61 KBUF 291855
FFABUF

Flood Watch
National Weather Service Buffalo NY
255 PM EDT Sun Oct 29 2017


NYZ003-004-013-014-021-300300-
/O.CON.KBUF.FF.A.0005.171029T2000Z-171030T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Monroe-Wayne-Livingston-Ontario-Allegany-
Including the cities of Rochester, Newark, Geneseo, Canandaigua, 
and Wellsville
255 PM EDT Sun Oct 29 2017

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH MONDAY MORNING...

The Flash Flood Watch continues for

* A portion of western New York...including the following 
  counties...Allegany...Livingston...Monroe...Ontario and Wayne. 

* Through Monday morning.

* Numerous rounds of moderate to heavy rainfall are expected
  across the Genesee Valley and western Finger Lakes through 
  early Monday. Rainfall totals of 2 to 3 inches are expected over
  a 48 hour period. 

* Excessive runoff from the heavy rainfall may result in 
  flooding of low lying areas and also small streams and creeks. 
  Drainage inlets clogged by leaves may increase the risk of 
  street flooding. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flash Flood Watch means the threat of flash flooding exists
along rivers and creeks. If you are in the watch area you should
monitor weather conditions closely. Be ready to move to higher
ground if flooding is observed or a warning is issued. Stay tuned
to weather radio or other radio and tv stations for further
updates.

&&

$$

NYZ005>008-300300-
/O.CON.KBUF.FF.A.0005.171029T2000Z-171030T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Northern Cayuga-Oswego-Jefferson-Lewis-
Including the cities of Fair Haven, Oswego, Watertown, 
and Lowville
255 PM EDT Sun Oct 29 2017

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH MONDAY MORNING...

The Flash Flood Watch continues for

* A portion of central New York...including the following 
  counties...Jefferson...Lewis...Northern Cayuga and Oswego. 

* Through Monday morning.

* Moderate to heavy rainfall are expected across the eastern Lake
  Ontario region through early evening, then heavy rainfall will
  move into the area late tonight through early Monday. Rainfall 
  totals of 3 to 5 inches are expected over a 48 hour period. 

* Excessive runoff from the heavy rainfall may result in 
  significant flooding of low lying areas and also small streams 
  and creeks. Drainage inlets clogged by leaves may increase the 
  risk of street flooding. Flooding of larger rivers such as the 
  Black River, Moose River, and Salmon River is also possible. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flash Flood Watch means the threat of flash flooding exists
along rivers and creeks. If you are in the watch area you should
monitor weather conditions closely. Be ready to move to higher
ground if flooding is observed or a warning is issued. Stay tuned
to weather radio or other radio and tv stations for further
updates.

&&

$$

Apffel
055 
WGUS61 KBUF 300119
FFABUF

Flood Watch
National Weather Service Buffalo NY
919 PM EDT Sun Oct 29 2017

NYZ003-004-013-014-021-300930-
/O.CON.KBUF.FF.A.0005.000000T0000Z-171030T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Monroe-Wayne-Livingston-Ontario-Allegany-
Including the cities of Rochester, Newark, Geneseo, Canandaigua, 
and Wellsville
919 PM EDT Sun Oct 29 2017

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH MONDAY MORNING...

The Flash Flood Watch continues for

* A portion of western New York...including the following 
  counties...Allegany...Livingston...Monroe...Ontario and Wayne. 

* Through Monday morning.

* Numerous rounds of moderate to heavy rainfall are expected 
  across the Genesee Valley and western Finger Lakes through 
  early Monday. Rainfall totals of 2 to 3 inches are expected 
  over a 48 hour period. 

* Excessive runoff from the heavy rainfall may result in 
  flooding of low lying areas and also small streams and creeks. 
  Drainage inlets clogged by leaves may increase the risk of 
  street flooding. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flash Flood Watch means the threat of flash flooding exists
along rivers and creeks. If you are in the watch area you should
monitor weather conditions closely. Be ready to move to higher
ground if flooding is observed or a warning is issued. Stay tuned
to weather radio or other radio and tv stations for further
updates.

&&

$$

NYZ005>008-300930-
/O.CON.KBUF.FF.A.0005.000000T0000Z-171030T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Northern Cayuga-Oswego-Jefferson-Lewis-
Including the cities of Fair Haven, Oswego, Watertown, 
and Lowville
919 PM EDT Sun Oct 29 2017

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH MONDAY MORNING...

The Flash Flood Watch continues for

* A portion of central New York...including the following 
  counties...Jefferson...Lewis...Northern Cayuga and Oswego. 

* Through Monday morning.

* Moderate to heavy rainfall are expected across the eastern 
  Lake Ontario region through early evening, then heavy rainfall 
  will move into the area late tonight through early Monday. 
  Rainfall totals of 3 to 5 inches are expected over a 48 hour 
  period. 

* Excessive runoff from the heavy rainfall may result in 
  significant flooding of low lying areas and also small streams 
  and creeks. Drainage inlets clogged by leaves may increase the 
  risk of street flooding. Flooding of larger rivers such as the 
  Black River, Moose River, and Salmon River is also possible. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flash Flood Watch means the threat of flash flooding exists
along rivers and creeks. If you are in the watch area you should
monitor weather conditions closely. Be ready to move to higher
ground if flooding is observed or a warning is issued. Stay tuned
to weather radio or other radio and tv stations for further
updates.

&&

$$
783 
WGUS61 KBUF 300756
FFABUF

Flood Watch
National Weather Service Buffalo NY
356 AM EDT Mon Oct 30 2017

NYZ003>008-013-014-021-300900-
/O.CAN.KBUF.FF.A.0005.000000T0000Z-171030T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Monroe-Wayne-Northern Cayuga-Oswego-Jefferson-Lewis-Livingston-
Ontario-Allegany-
Including the cities of Rochester, Newark, Fair Haven, Oswego, 
Watertown, Lowville, Geneseo, Canandaigua, and Wellsville
356 AM EDT Mon Oct 30 2017

...FLASH FLOOD WATCH IS CANCELLED...

The Flash Flood Watch for portions of central and western New
York has been replaced by Flood Warnings.

$$

Church

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 28, 3:50 AM EDTLakeshore Flood WatchBUFCayuga, Jefferson, Monroe, Niagara, Orleans, Oswego and 1 more25 hr
Oct 28, 3:54 AM EDTHigh Wind WatchBUFCayuga, Jefferson, Lewis, Monroe, Oswego, Wayne25 hr
Oct 28, 4:07 AM EDTGale WatchBUF24 hr

Nearby

Flash Flood Watches in New York, 2017Every flash flood watch in 2017

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.