Alert archive / New York / Lakeshore Flood Warnings in 2017

Lakeshore Flood Warning 21, NWS Buffalo, NY

November 18, 20177 counties in New York

NWS Buffalo, NY issued this lakeshore flood warning at Nov 18, 2017, 2:37 PM EST for 7 counties in New York. It took effect at Nov 19, 2017, 5:00 AM EST. It was in force for 20 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
Nov 18, 2017, 2:37 PM EST (19:37 UTC)
In effect from
Nov 19, 2017, 5:00 AM EST
Expired
Nov 20, 2017, 1:00 AM EST
In force
20 hr
Issued by
NWS Buffalo, NY

Counties Cayuga County, NY, Jefferson County, NY, Monroe County, NY, Niagara County, NY, Orleans County, NY, Oswego County, NY, Wayne County, NY

The radar

The Buffalo radar (KBUF), 132 km from the middle of the area, began a volume at 19:37 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 12:00Z, 7.6 hours before the alert went out and 129 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 12:00Z on 2017-11-18Temperature 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 12:00Z on 2017-11-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 165 square meters per square second.19395878Sfc1 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
1640 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
165 m²/s²
0-3 km storm-relative helicity
250 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

668 
WHUS41 KBUF 181937
CFWBUF

URGENT - IMMEDIATE BROADCAST REQUESTED
LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
237 PM EST SAT NOV 18 2017

NYZ001>004-190345-
/O.UPG.KBUF.LS.A.0020.171119T1000Z-171120T0600Z/
/O.NEW.KBUF.LS.W.0021.171119T1000Z-171120T0600Z/
NIAGARA-ORLEANS-MONROE-WAYNE-
237 PM EST SAT NOV 18 2017

...LAKESHORE FLOOD WARNING IN EFFECT FROM 5 AM SUNDAY TO 1 AM EST
MONDAY...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A LAKESHORE
FLOOD WARNING, WHICH IS IN EFFECT FROM 5 AM SUNDAY TO 1 AM EST
MONDAY. THE LAKESHORE FLOOD WATCH IS NO LONGER IN EFFECT.

* LOCATIONS...NIAGARA, ORLEANS, MONROE, AND WAYNE COUNTIES.

* LAKE SHORE FLOODING...VERY STRONG NORTHWEST WINDS WILL DEVELOP 
  BEHIND A COLD FRONT LATE TONIGHT AND CONTINUE THROUGH SUNDAY 
  INTO SUNDAY NIGHT. THE STRONG WINDS AND BUILDING WAVES WILL 
  COMBINE WITH ABOVE NORMAL LAKE LEVELS TO INCREASE SHORELINE 
  EROSION.

* TIMING...FROM LATE TONIGHT THROUGH OVERNIGHT SUNDAY NIGHT.

* IMPACTS...A SIGNIFICANT INCREASE IN SHORELINE EROSION, 
  ESPECIALLY IN AREAS WHERE THE LAKESHORE IS UNSTABLE FOLLOWING 
  THE EROSION FROM EARLIER IN THE YEAR. SOME MINOR LAKESHORE 
  FLOODING IS POSSIBLE IN BAYS AND INLETS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A LAKESHORE FLOOD WARNING MEANS LAKESHORE FLOODING IS OCCURRING,
IS IMMINENT, OR IS EXPECTED TO OCCUR. PEOPLE IN THE WARNING AREA
SHOULD TAKE IMMEDIATE ACTION TO PROTECT LIFE AND PROPERTY. LISTEN
TO LOCAL RADIO...TELEVISION...OR NOAA WEATHER RADIO FOR FURTHER
INFORMATION.

&&

$$

NYZ005>007-190345-
/O.UPG.KBUF.LS.A.0020.171119T1000Z-171120T0600Z/
/O.NEW.KBUF.LS.W.0021.171119T1000Z-171120T0600Z/
NORTHERN CAYUGA-OSWEGO-JEFFERSON-
237 PM EST SAT NOV 18 2017

...LAKESHORE FLOOD WARNING IN EFFECT FROM 5 AM SUNDAY TO 1 AM EST
MONDAY...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A LAKESHORE
FLOOD WARNING, WHICH IS IN EFFECT FROM 5 AM SUNDAY TO 1 AM EST
MONDAY. THE LAKESHORE FLOOD WATCH IS NO LONGER IN EFFECT.

* LOCATIONS...NORTHERN CAYUGA, OSWEGO, AND JEFFERSON COUNTIES.

* LAKE SHORE FLOODING...VERY STRONG WEST WINDS WILL DEVELOP 
  BEHIND A COLD FRONT LATE TONIGHT AND BECOME NORTHWEST AND 
  CONTINUE THROUGH THE DAY SUNDAY INTO SUNDAY NIGHT. THE STRONG 
  WINDS AND BUILDING WAVES WILL COMBINE WITH ABOVE NORMAL LAKE 
  LEVELS TO INCREASE SHORELINE EROSION.

* TIMING...FROM LATE TONIGHT THROUGH OVERNIGHT SUNDAY NIGHT.

* IMPACTS...A SIGNIFICANT INCREASE IN SHORELINE EROSION, 
  ESPECIALLY IN AREAS WHERE THE LAKESHORE IS UNSTABLE FOLLOWING 
  THE EROSION FROM EARLIER IN THE YEAR. SOME MINOR LAKESHORE 
  FLOODING IS POSSIBLE IN BAYS AND INLETS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A LAKESHORE FLOOD WARNING MEANS LAKESHORE FLOODING IS OCCURRING,
IS IMMINENT, OR IS EXPECTED TO OCCUR. PEOPLE IN THE WARNING AREA
SHOULD TAKE IMMEDIATE ACTION TO PROTECT LIFE AND PROPERTY. LISTEN
TO LOCAL RADIO...TELEVISION...OR NOAA WEATHER RADIO FOR FURTHER
INFORMATION.

&&

$$

TMA
7 follow-up statements
655 
WHUS41 KBUF 190227
CFWBUF

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
927 PM EST SAT NOV 18 2017

NYZ001>004-191030-
/O.CON.KBUF.LS.W.0021.171119T1000Z-171120T0600Z/
NIAGARA-ORLEANS-MONROE-WAYNE-
927 PM EST SAT NOV 18 2017

...LAKESHORE FLOOD WARNING REMAINS IN EFFECT FROM 5 AM SUNDAY TO
1 AM EST MONDAY...

* LOCATIONS...NIAGARA, ORLEANS, MONROE, AND WAYNE COUNTIES.

* LAKE SHORE FLOODING...VERY STRONG NORTHWEST WINDS WILL DEVELOP 
  BEHIND A COLD FRONT LATE TONIGHT AND CONTINUE THROUGH SUNDAY 
  INTO SUNDAY NIGHT. THE STRONG WINDS AND BUILDING WAVES WILL 
  COMBINE WITH ABOVE NORMAL LAKE LEVELS TO INCREASE SHORELINE 
  EROSION.

* TIMING...FROM LATE TONIGHT THROUGH OVERNIGHT SUNDAY NIGHT.

* IMPACTS...A SIGNIFICANT INCREASE IN SHORELINE EROSION, 
  ESPECIALLY IN AREAS WHERE THE LAKESHORE IS UNSTABLE FOLLOWING 
  THE EROSION FROM EARLIER IN THE YEAR. SOME MINOR LAKESHORE 
  FLOODING IS POSSIBLE IN BAYS AND INLETS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A LAKESHORE FLOOD WARNING MEANS LAKESHORE FLOODING IS OCCURRING,
IS IMMINENT, OR IS EXPECTED TO OCCUR. PEOPLE IN THE WARNING AREA
SHOULD TAKE IMMEDIATE ACTION TO PROTECT LIFE AND PROPERTY. LISTEN
TO LOCAL RADIO...TELEVISION...OR NOAA WEATHER RADIO FOR FURTHER
INFORMATION.

&&

$$

NYZ005>007-191030-
/O.CON.KBUF.LS.W.0021.171119T1000Z-171120T0600Z/
NORTHERN CAYUGA-OSWEGO-JEFFERSON-
927 PM EST SAT NOV 18 2017

...LAKESHORE FLOOD WARNING REMAINS IN EFFECT FROM 5 AM SUNDAY TO
1 AM EST MONDAY...

* LOCATIONS...NORTHERN CAYUGA, OSWEGO, AND JEFFERSON COUNTIES.

* LAKE SHORE FLOODING...VERY STRONG WEST WINDS WILL DEVELOP 
  BEHIND A COLD FRONT LATE TONIGHT AND BECOME NORTHWEST AND 
  CONTINUE THROUGH THE DAY SUNDAY INTO SUNDAY NIGHT. THE STRONG 
  WINDS AND BUILDING WAVES WILL COMBINE WITH ABOVE NORMAL LAKE 
  LEVELS TO INCREASE SHORELINE EROSION.

* TIMING...FROM LATE TONIGHT THROUGH OVERNIGHT SUNDAY NIGHT.

* IMPACTS...A SIGNIFICANT INCREASE IN SHORELINE EROSION, 
  ESPECIALLY IN AREAS WHERE THE LAKESHORE IS UNSTABLE FOLLOWING 
  THE EROSION FROM EARLIER IN THE YEAR. SOME MINOR LAKESHORE 
  FLOODING IS POSSIBLE IN BAYS AND INLETS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A LAKESHORE FLOOD WARNING MEANS LAKESHORE FLOODING IS OCCURRING,
IS IMMINENT, OR IS EXPECTED TO OCCUR. PEOPLE IN THE WARNING AREA
SHOULD TAKE IMMEDIATE ACTION TO PROTECT LIFE AND PROPERTY. LISTEN
TO LOCAL RADIO...TELEVISION...OR NOAA WEATHER RADIO FOR FURTHER
INFORMATION.

&&

$$
283 
WHUS41 KBUF 190640
CFWBUF

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
140 AM EST SUN NOV 19 2017

NYZ001>004-191445-
/O.CON.KBUF.LS.W.0021.171119T1000Z-171120T0600Z/
NIAGARA-ORLEANS-MONROE-WAYNE-
140 AM EST SUN NOV 19 2017

...LAKESHORE FLOOD WARNING REMAINS IN EFFECT FROM 5 AM EARLY THIS
MORNING TO 1 AM EST MONDAY...

* LOCATIONS...NIAGARA, ORLEANS, MONROE, AND WAYNE COUNTIES.

* LAKE SHORE FLOODING...VERY STRONG NORTHWEST WINDS WILL DEVELOP
  BEHIND A COLD FRONT AND CONTINUE THROUGH SUNDAY INTO SUNDAY 
  NIGHT. THE STRONG WINDS AND BUILDING WAVES WILL COMBINE WITH 
  ABOVE NORMAL LAKE LEVELS TO INCREASE SHORELINE EROSION.

* TIMING...FROM EARLY THIS MORNING THROUGH OVERNIGHT TONIGHT.

* IMPACTS...A SIGNIFICANT INCREASE IN SHORELINE EROSION, 
  ESPECIALLY IN AREAS WHERE THE LAKESHORE IS UNSTABLE FOLLOWING 
  THE EROSION FROM EARLIER IN THE YEAR. SOME MINOR LAKESHORE 
  FLOODING IS POSSIBLE IN BAYS AND INLETS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A LAKESHORE FLOOD WARNING MEANS LAKESHORE FLOODING IS OCCURRING,
IS IMMINENT, OR IS EXPECTED TO OCCUR. PEOPLE IN THE WARNING AREA
SHOULD TAKE IMMEDIATE ACTION TO PROTECT LIFE AND PROPERTY. LISTEN
TO LOCAL RADIO...TELEVISION...OR NOAA WEATHER RADIO FOR FURTHER
INFORMATION.

&&

$$

NYZ005>007-191445-
/O.CON.KBUF.LS.W.0021.171119T1000Z-171120T0600Z/
NORTHERN CAYUGA-OSWEGO-JEFFERSON-
140 AM EST SUN NOV 19 2017

...LAKESHORE FLOOD WARNING REMAINS IN EFFECT FROM 5 AM EARLY THIS
MORNING TO 1 AM EST MONDAY...

* LOCATIONS...NORTHERN CAYUGA, OSWEGO, AND JEFFERSON COUNTIES.

* LAKE SHORE FLOODING...VERY STRONG WEST WINDS WILL DEVELOP 
  BEHIND A COLD FRONT LATE TONIGHT AND BECOME NORTHWEST AND 
  CONTINUE THROUGH THE DAY SUNDAY INTO SUNDAY NIGHT. THE STRONG 
  WINDS AND BUILDING WAVES WILL COMBINE WITH ABOVE NORMAL LAKE 
  LEVELS TO INCREASE SHORELINE EROSION.

* TIMING...FROM EARLY THIS MORNING THROUGH OVERNIGHT TONIGHT.

* IMPACTS...A SIGNIFICANT INCREASE IN SHORELINE EROSION, 
  ESPECIALLY IN AREAS WHERE THE LAKESHORE IS UNSTABLE FOLLOWING 
  THE EROSION FROM EARLIER IN THE YEAR. SOME MINOR LAKESHORE 
  FLOODING IS POSSIBLE IN BAYS AND INLETS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A LAKESHORE FLOOD WARNING MEANS LAKESHORE FLOODING IS OCCURRING,
IS IMMINENT, OR IS EXPECTED TO OCCUR. PEOPLE IN THE WARNING AREA
SHOULD TAKE IMMEDIATE ACTION TO PROTECT LIFE AND PROPERTY. LISTEN
TO LOCAL RADIO...TELEVISION...OR NOAA WEATHER RADIO FOR FURTHER
INFORMATION.

&&

$$
794 
WHUS41 KBUF 190901
CFWBUF

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
401 AM EST SUN NOV 19 2017

NYZ001>004-191700-
/O.CON.KBUF.LS.W.0021.171119T1000Z-171120T0600Z/
NIAGARA-ORLEANS-MONROE-WAYNE-
401 AM EST SUN NOV 19 2017

...LAKESHORE FLOOD WARNING REMAINS IN EFFECT UNTIL 1 AM EST
MONDAY...

* LOCATIONS...NIAGARA, ORLEANS, MONROE, AND WAYNE COUNTIES.

* LAKE SHORE FLOODING...STRONG NORTHWEST WINDS WILL CONTINUE TODAY
  AND INTO TONIGHT. THE STRONG WINDS AND BUILDING WAVES WILL 
  COMBINE WITH ABOVE NORMAL LAKE LEVELS TO INCREASE SHORELINE 
  EROSION.

* TIMING...FROM EARLY THIS MORNING THROUGH OVERNIGHT TONIGHT.

* IMPACTS...A SIGNIFICANT INCREASE IN SHORELINE EROSION, 
  ESPECIALLY IN AREAS WHERE THE LAKESHORE IS UNSTABLE FOLLOWING 
  THE EROSION FROM EARLIER IN THE YEAR. SOME MINOR LAKESHORE 
  FLOODING IS POSSIBLE IN BAYS AND INLETS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A LAKESHORE FLOOD WARNING MEANS LAKESHORE FLOODING IS OCCURRING,
IS IMMINENT, OR IS EXPECTED TO OCCUR. PEOPLE IN THE WARNING AREA
SHOULD TAKE IMMEDIATE ACTION TO PROTECT LIFE AND PROPERTY. LISTEN
TO LOCAL RADIO...TELEVISION...OR NOAA WEATHER RADIO FOR FURTHER
INFORMATION.

&&

$$

NYZ005>007-191700-
/O.CON.KBUF.LS.W.0021.171119T1000Z-171120T0600Z/
NORTHERN CAYUGA-OSWEGO-JEFFERSON-
401 AM EST SUN NOV 19 2017

...LAKESHORE FLOOD WARNING REMAINS IN EFFECT UNTIL 1 AM EST
MONDAY...

* LOCATIONS...NORTHERN CAYUGA, OSWEGO, AND JEFFERSON COUNTIES.

* LAKE SHORE FLOODING...STRONG WEST WINDS WILL DEVELOP BEHIND A
  COLD FRONT EARLY THIS MORNING...THEN WILL BECOME NORTHWEST AND
  CONTINUE THROUGH THE REST OF TODAY AND INTO TONIGHT. THE STRONG
  WINDS AND BUILDING WAVES WILL COMBINE WITH ABOVE NORMAL LAKE 
  LEVELS TO INCREASE SHORELINE EROSION.

* TIMING...FROM EARLY THIS MORNING THROUGH OVERNIGHT TONIGHT.

* IMPACTS...A SIGNIFICANT INCREASE IN SHORELINE EROSION, 
  ESPECIALLY IN AREAS WHERE THE LAKESHORE IS UNSTABLE FOLLOWING 
  THE EROSION FROM EARLIER IN THE YEAR. SOME MINOR LAKESHORE 
  FLOODING IS POSSIBLE IN BAYS AND INLETS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A LAKESHORE FLOOD WARNING MEANS LAKESHORE FLOODING IS OCCURRING,
IS IMMINENT, OR IS EXPECTED TO OCCUR. PEOPLE IN THE WARNING AREA
SHOULD TAKE IMMEDIATE ACTION TO PROTECT LIFE AND PROPERTY. LISTEN
TO LOCAL RADIO...TELEVISION...OR NOAA WEATHER RADIO FOR FURTHER
INFORMATION.

&&

$$

JJR
151 
WHUS41 KBUF 191151
CFWBUF

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
651 AM EST SUN NOV 19 2017

NYZ001>004-192000-
/O.CON.KBUF.LS.W.0021.000000T0000Z-171120T0600Z/
NIAGARA-ORLEANS-MONROE-WAYNE-
651 AM EST SUN NOV 19 2017

...LAKESHORE FLOOD WARNING REMAINS IN EFFECT UNTIL 1 AM EST
MONDAY...

* LOCATIONS...NIAGARA, ORLEANS, MONROE, AND WAYNE COUNTIES.

* LAKE SHORE FLOODING...STRONG NORTHWEST WINDS WILL CONTINUE
  TODAY INTO TONIGHT. THE STRONG WINDS AND BUILDING WAVES WILL 
  COMBINE WITH ABOVE NORMAL LAKE LEVELS TO INCREASE SHORELINE 
  EROSION.

* TIMING...THROUGH TONIGHT.

* IMPACTS...A SIGNIFICANT INCREASE IN SHORELINE EROSION, 
  ESPECIALLY IN AREAS WHERE THE LAKESHORE IS UNSTABLE FOLLOWING 
  THE EROSION FROM EARLIER IN THE YEAR. SOME MINOR LAKESHORE 
  FLOODING IS POSSIBLE IN BAYS AND INLETS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A LAKESHORE FLOOD WARNING MEANS LAKESHORE FLOODING IS OCCURRING,
IS IMMINENT, OR IS EXPECTED TO OCCUR. PEOPLE IN THE WARNING AREA
SHOULD TAKE IMMEDIATE ACTION TO PROTECT LIFE AND PROPERTY. LISTEN
TO LOCAL RADIO...TELEVISION...OR NOAA WEATHER RADIO FOR FURTHER
INFORMATION.

&&

$$

NYZ005>007-192000-
/O.CON.KBUF.LS.W.0021.000000T0000Z-171120T0600Z/
NORTHERN CAYUGA-OSWEGO-JEFFERSON-
651 AM EST SUN NOV 19 2017

...LAKESHORE FLOOD WARNING REMAINS IN EFFECT UNTIL 1 AM EST
MONDAY...

* LOCATIONS...NORTHERN CAYUGA, OSWEGO, AND JEFFERSON COUNTIES.

* LAKE SHORE FLOODING...STRONG WEST WINDS WILL DEVELOP BEHIND A 
  COLD FRONT EARLY THIS MORNING...THEN WILL BECOME NORTHWEST AND 
  CONTINUE THROUGH THE REST OF TODAY AND INTO TONIGHT. THE 
  STRONG WINDS AND BUILDING WAVES WILL COMBINE WITH ABOVE NORMAL 
  LAKE LEVELS TO INCREASE SHORELINE EROSION.

* TIMING...THROUGH TONIGHT.

* IMPACTS...A SIGNIFICANT INCREASE IN SHORELINE EROSION, 
  ESPECIALLY IN AREAS WHERE THE LAKESHORE IS UNSTABLE FOLLOWING 
  THE EROSION FROM EARLIER IN THE YEAR. SOME MINOR LAKESHORE 
  FLOODING IS POSSIBLE IN BAYS AND INLETS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A LAKESHORE FLOOD WARNING MEANS LAKESHORE FLOODING IS OCCURRING,
IS IMMINENT, OR IS EXPECTED TO OCCUR. PEOPLE IN THE WARNING AREA
SHOULD TAKE IMMEDIATE ACTION TO PROTECT LIFE AND PROPERTY. LISTEN
TO LOCAL RADIO...TELEVISION...OR NOAA WEATHER RADIO FOR FURTHER
INFORMATION.

&&

$$
541 
WHUS41 KBUF 191920
CFWBUF

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
220 PM EST SUN NOV 19 2017

NYZ001>004-200330-
/O.CON.KBUF.LS.W.0021.000000T0000Z-171120T0600Z/
NIAGARA-ORLEANS-MONROE-WAYNE-
220 PM EST SUN NOV 19 2017

...LAKESHORE FLOOD WARNING REMAINS IN EFFECT UNTIL 1 AM EST
MONDAY...

* LOCATIONS...NIAGARA, ORLEANS, MONROE, AND WAYNE COUNTIES.

* LAKE SHORE FLOODING...STRONG NORTHWEST WINDS WILL CONTINUE  
  INTO TONIGHT. THE STRONG WINDS AND BUILDING WAVES WILL COMBINE 
  WITH ABOVE NORMAL LAKE LEVELS TO INCREASE SHORELINE EROSION.

* TIMING...THROUGH OVERNIGHT TONIGHT.

* IMPACTS...A SIGNIFICANT INCREASE IN SHORELINE EROSION, 
  ESPECIALLY IN AREAS WHERE THE LAKESHORE IS UNSTABLE FOLLOWING 
  THE EROSION FROM EARLIER IN THE YEAR. SOME MINOR LAKESHORE 
  FLOODING IS POSSIBLE IN BAYS AND INLETS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A LAKESHORE FLOOD WARNING MEANS LAKESHORE FLOODING IS OCCURRING,
IS IMMINENT, OR IS EXPECTED TO OCCUR. PEOPLE IN THE WARNING AREA
SHOULD TAKE IMMEDIATE ACTION TO PROTECT LIFE AND PROPERTY. LISTEN
TO LOCAL RADIO...TELEVISION...OR NOAA WEATHER RADIO FOR FURTHER
INFORMATION.

&&

$$

NYZ005>007-200330-
/O.CON.KBUF.LS.W.0021.000000T0000Z-171120T0600Z/
NORTHERN CAYUGA-OSWEGO-JEFFERSON-
220 PM EST SUN NOV 19 2017

...LAKESHORE FLOOD WARNING REMAINS IN EFFECT UNTIL 1 AM EST
MONDAY...

* LOCATIONS...NORTHERN CAYUGA, OSWEGO, AND JEFFERSON COUNTIES.

* LAKE SHORE FLOODING...STRONG NORTHWEST WINDS WILL CONTINUE  
  INTO TONIGHT. THE STRONG WINDS AND BUILDING WAVES WILL COMBINE 
  WITH ABOVE NORMAL LAKE LEVELS TO INCREASE SHORELINE EROSION.

* TIMING...THROUGH OVERNIGHT TONIGHT.

* IMPACTS...A SIGNIFICANT INCREASE IN SHORELINE EROSION, 
  ESPECIALLY IN AREAS WHERE THE LAKESHORE IS UNSTABLE FOLLOWING 
  THE EROSION FROM EARLIER IN THE YEAR. SOME MINOR LAKESHORE 
  FLOODING IS POSSIBLE IN BAYS AND INLETS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A LAKESHORE FLOOD WARNING MEANS LAKESHORE FLOODING IS OCCURRING,
IS IMMINENT, OR IS EXPECTED TO OCCUR. PEOPLE IN THE WARNING AREA
SHOULD TAKE IMMEDIATE ACTION TO PROTECT LIFE AND PROPERTY. LISTEN
TO LOCAL RADIO...TELEVISION...OR NOAA WEATHER RADIO FOR FURTHER
INFORMATION.

&&

$$

TMA
358 
WHUS41 KBUF 192355
CFWBUF

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
655 PM EST SUN NOV 19 2017

NYZ001>004-200600-
/O.CON.KBUF.LS.W.0021.000000T0000Z-171120T0600Z/
NIAGARA-ORLEANS-MONROE-WAYNE-
655 PM EST SUN NOV 19 2017

...LAKESHORE FLOOD WARNING REMAINS IN EFFECT UNTIL 1 AM EST
MONDAY...

* LOCATIONS...NIAGARA, ORLEANS, MONROE, AND WAYNE COUNTIES.

* LAKE SHORE FLOODING...STRONG NORTHWEST WINDS WILL CONTINUE 
  INTO TONIGHT. THE STRONG WINDS AND BUILDING WAVES WILL COMBINE 
  WITH ABOVE NORMAL LAKE LEVELS TO INCREASE SHORELINE EROSION.

* TIMING...THROUGH OVERNIGHT TONIGHT.

* IMPACTS...A SIGNIFICANT INCREASE IN SHORELINE EROSION, 
  ESPECIALLY IN AREAS WHERE THE LAKESHORE IS UNSTABLE FOLLOWING 
  THE EROSION FROM EARLIER IN THE YEAR. SOME MINOR LAKESHORE 
  FLOODING IS POSSIBLE IN BAYS AND INLETS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A LAKESHORE FLOOD WARNING MEANS LAKESHORE FLOODING IS OCCURRING,
IS IMMINENT, OR IS EXPECTED TO OCCUR. PEOPLE IN THE WARNING AREA
SHOULD TAKE IMMEDIATE ACTION TO PROTECT LIFE AND PROPERTY. LISTEN
TO LOCAL RADIO...TELEVISION...OR NOAA WEATHER RADIO FOR FURTHER
INFORMATION.

&&

$$

NYZ005>007-200600-
/O.CON.KBUF.LS.W.0021.000000T0000Z-171120T0600Z/
NORTHERN CAYUGA-OSWEGO-JEFFERSON-
655 PM EST SUN NOV 19 2017

...LAKESHORE FLOOD WARNING REMAINS IN EFFECT UNTIL 1 AM EST
MONDAY...

* LOCATIONS...NORTHERN CAYUGA, OSWEGO, AND JEFFERSON COUNTIES.

* LAKE SHORE FLOODING...STRONG NORTHWEST WINDS WILL CONTINUE 
  INTO TONIGHT. THE STRONG WINDS AND BUILDING WAVES WILL COMBINE 
  WITH ABOVE NORMAL LAKE LEVELS TO INCREASE SHORELINE EROSION.

* TIMING...THROUGH OVERNIGHT TONIGHT.

* IMPACTS...A SIGNIFICANT INCREASE IN SHORELINE EROSION, 
  ESPECIALLY IN AREAS WHERE THE LAKESHORE IS UNSTABLE FOLLOWING 
  THE EROSION FROM EARLIER IN THE YEAR. SOME MINOR LAKESHORE 
  FLOODING IS POSSIBLE IN BAYS AND INLETS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A LAKESHORE FLOOD WARNING MEANS LAKESHORE FLOODING IS OCCURRING,
IS IMMINENT, OR IS EXPECTED TO OCCUR. PEOPLE IN THE WARNING AREA
SHOULD TAKE IMMEDIATE ACTION TO PROTECT LIFE AND PROPERTY. LISTEN
TO LOCAL RADIO...TELEVISION...OR NOAA WEATHER RADIO FOR FURTHER
INFORMATION.

&&

$$
409 
WHUS41 KBUF 200601
CFWBUF

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
101 AM EST MON NOV 20 2017

NYZ001>007-200715-
/O.EXP.KBUF.LS.W.0021.000000T0000Z-171120T0600Z/
NIAGARA-ORLEANS-MONROE-WAYNE-NORTHERN CAYUGA-OSWEGO-JEFFERSON-
101 AM EST MON NOV 20 2017

...LAKESHORE FLOOD WARNING HAS EXPIRED...

WAVES HAVE DROPPED BELOW LEVELS THAT WOULD CAUSE ANY EROSION AND
SUBSEQUENT LAKE SHORE FLOODING.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 17, 8:59 PM ESTGale WarningBUF40 hr
Nov 18, 2:40 PM ESTWinter Storm WatchBUFCayuga, Oswego24 hr
Nov 18, 2:40 PM ESTWinter Weather AdvisoryBUFCattaraugus, Chautauqua, Erie, Wayne, Wyoming42 hr
Nov 18, 2:50 PM ESTSmall Craft AdvisoryBUF5 days

Nearby

Lakeshore Flood Warnings in New York, 2017Every lakeshore flood warning 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.