Alert archive / New York / Lakeshore Flood Warnings in 2021

Lakeshore Flood Warning 2, NWS Buffalo, NY

March 25, 2021Chautauqua County, Erie County, New York

NWS Buffalo, NY issued this lakeshore flood warning at Mar 25, 2021, 2:08 PM EDT for Chautauqua County, Erie County, New York. It took effect at Mar 26, 2021, 8:00 AM EDT. It was in force for 8 hr. 20 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Mar 25, 2021, 2:08 PM EDT (18:08 UTC)
In effect from
Mar 26, 2021, 8:00 AM EDT
Expired
Mar 26, 2021, 3:58 PM EDT
In force
8 hr
Issued by
NWS Buffalo, NY

Counties Chautauqua County, NY, Erie County, NY

The radar

The Buffalo radar (KBUF), 55 km from the middle of the area, began a volume at 18:13 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.

What was reported inside it

TimeReportWhereRemark
Mar 26, 11:07 AM EDTNON-TSTM WND GST 60Kenmore, NY
Mar 26, 11:36 AM EDTNON-TSTM WND DMG1 E Dunkirk, NYTREE DOWN ON COURTNEY ST.
Mar 26, 11:48 AM EDTNON-TSTM WND GST 683 Ene Dunkirk, NYASOS STATION KDKK DUNKIRK AIRPORT.
Mar 26, 11:54 AM EDTNON-TSTM WND GST 602 Nne Cheektowaga, NYASOS STATION KBUF BUFFALO AIRPORT.
Mar 26, 11:57 AM EDTNON-TSTM WND DMG1 S Depew, NYTREES/POWER LINES DOWN ACROSS BROADWAY.
Mar 26, 11:57 AM EDTNON-TSTM WND DMG1 Ssw Clarence, NYTREES/POWER LINES DOWN.
Mar 26, 11:57 AM EDTNON-TSTM WND DMG1 W Hamburg, NYTREES/POWER LINES DOWN.
Mar 26, 12:00 PM EDTNON-TSTM WND GST 691 Nw Dunkirk, NYMESONET STATION DBLN6 3 NNW FREDONIA.
Mar 26, 12:00 PM EDTNON-TSTM WND DMG1 S Hamburg, NYTREE DOWN, FROM SOCIAL MEDIA.
Mar 26, 12:10 PM EDTNON-TSTM WND GST 602 Sw Fredonia, NYMESONET STATION FRED FREDONIA.
Mar 26, 12:15 PM EDTNON-TSTM WND DMG2 Sw West Seneca, NYLARGE TREE LIMB DOWN.
Mar 26, 12:21 PM EDTNON-TSTM WND DMG1 Nw East Aurora, NYTREE DOWN ON CAR ON NORTH WILLOW STREET, NO INJURIES.
Mar 26, 12:30 PM EDTNON-TSTM WND DMG1 Se Blasdell, NYTREE DOWN. FROM SOCIAL MEDIA.
Mar 26, 12:55 PM EDTNON-TSTM WND DMGOrchard Park, NYLARGE PINE TREE DOWN. FROM SOCIAL MEDIA.
Mar 26, 12:57 PM EDTNON-TSTM WND DMG1 Sw North Boston, NYTREE DOWN ON SOUTH FEDDICK RD.
Mar 26, 12:57 PM EDTNON-TSTM WND DMG4 Nnw Eden, NYNORTH CREEK RD IN HAMBURG BETWEEN BURKE RD AND ROUTE 5 CLOSED DUE TO TREES/WIRES DOWN.
Mar 26, 12:57 PM EDTNON-TSTM WND DMG4 Nnw Eden, NYLAKEVIEW RD IN HAMBURG CLOSED FROM CENTER ST TO ROUTE 5 DUE TO TREES/WIRES DOWN.
Mar 26, 12:57 PM EDTNON-TSTM WND DMGHamburg, NYEAST CHURCH ST CLOSED DUE TO TREES/WIRES DOWN.
Mar 26, 1:00 PM EDTNON-TSTM WND DMG3 Nw Lackawanna, NYPOWER POLES DOWN AT TIFFT FARM.
Mar 26, 1:25 PM EDTNON-TSTM WND DMG2 Sw Orchard Park, NYTREE FALLEN OVER ONTO POWER LINES ON ARMOR DUELLS RD.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 6.1 hours before the alert went out and 55 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 2021-03-25Temperature 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 2021-03-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 127 square meters per square second.1939587897117136Sfc1 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
1358 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
127 m²/s²
0-3 km storm-relative helicity
175 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

177 
WHUS41 KBUF 251808
CFWBUF

URGENT - IMMEDIATE BROADCAST REQUESTED
Lakeshore Hazard Message
National Weather Service Buffalo NY
208 PM EDT Thu Mar 25 2021

NYZ010-019-085-260215-
/O.UPG.KBUF.LS.A.0002.210326T1200Z-210326T2000Z/
/O.NEW.KBUF.LS.W.0002.210326T1200Z-210326T2000Z/
Northern Erie-Chautauqua-Southern Erie-
208 PM EDT Thu Mar 25 2021

...LAKESHORE FLOOD WARNING IN EFFECT FROM 8 AM TO 4 PM EDT
FRIDAY...

* WHAT...Significant lakeshore flooding expected.

* WHERE...Erie and Chautauqua counties.

* WHEN...From 8 AM to 4 PM EDT Friday.

* IMPACTS...The rapid rise in water levels at the eastern end of 
  Lake Erie will result in lakeshore flooding along the Lake 
  Erie shore. Flooding is likely along Route 5 in Hamburg, 
  Buffalo Harbor and Canalside, Dunkirk Harbor, and other flood 
  prone locations. Very high wave action will also result in 
  significant shoreline erosion.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Lakeshore Flood Warning means lakeshore flooding is occurring,
is imminent, or is expected to occur. For your safety, stay off
breakwaters, piers, rock outcroppings and beaches! Waves are
often larger than they appear and can easily wash you away.
Expect significant beach erosion and debris, local road closures
and extremely dangerous boating conditions.

&&

$$

TMA
4 follow-up statements
210 
WHUS41 KBUF 260141
CFWBUF

Lakeshore Hazard Message
National Weather Service Buffalo NY
941 PM EDT Thu Mar 25 2021

NYZ010-019-085-261000-
/O.CON.KBUF.LS.W.0002.210326T1200Z-210326T2000Z/
Northern Erie-Chautauqua-Southern Erie-
941 PM EDT Thu Mar 25 2021

...LAKESHORE FLOOD WARNING REMAINS IN EFFECT FROM 8 AM TO 4 PM
EDT FRIDAY...

* WHAT...Lakeshore flooding expected.

* WHERE...Erie and Chautauqua counties.

* WHEN...From 8 AM to 4 PM EDT Friday.

* IMPACTS...A rapid rise in water levels at the eastern end of
  Lake Erie will result in lakeshore flooding along the Lake Erie
  shore. Flooding is expected along the Lake Erie shoreline,
  possibly impacting Route 5 in Hamburg. Some flooding is also 
  possible in Buffalo Harbor and Canalside, Dunkirk Harbor, and 
  other flood prone locations. Very high wave action will also 
  result in shoreline erosion.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Lakeshore Flood Warning means lakeshore flooding is occurring,
is imminent, or is expected to occur. For your safety, stay off
breakwaters, piers, rock outcroppings and beaches! Waves are
often larger than they appear and can easily wash you away.
Expect significant beach erosion and debris, local road closures
and extremely dangerous boating conditions.

&&

$$

Apffel
547 
WHUS41 KBUF 260900
CFWBUF

Lakeshore Hazard Message
National Weather Service Buffalo NY
500 AM EDT Fri Mar 26 2021

NYZ010-019-085-261700-
/O.CON.KBUF.LS.W.0002.210326T1200Z-210326T2000Z/
Northern Erie-Chautauqua-Southern Erie-
500 AM EDT Fri Mar 26 2021

...LAKESHORE FLOOD WARNING REMAINS IN EFFECT FROM 8 AM THIS
MORNING TO 4 PM EDT THIS AFTERNOON...

* WHAT...Lakeshore flooding expected.

* WHERE...Erie and Chautauqua counties.

* WHEN...From 8 AM to 4 PM EDT Friday.

* IMPACTS...A rapid rise in water levels at the eastern end of
  Lake Erie will result in lakeshore flooding along the Lake Erie
  shore. Flooding is expected along the Lake Erie  shoreline, 
  possibly impacting Route 5 in Hamburg. Some flooding is also 
  possible in Buffalo Harbor and Canalside, Dunkirk Harbor, and 
  other flood prone locations. Very high wave action will also 
  result in shoreline erosion.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Lakeshore Flood Warning means lakeshore flooding is occurring,
is imminent, or is expected to occur. For your safety, stay off
breakwaters, piers, rock outcroppings and beaches! Waves are
often larger than they appear and can easily wash you away.
Expect significant beach erosion and debris, local road closures
and extremely dangerous boating conditions.

&&

$$
259 
WHUS41 KBUF 261457
CFWBUF

Lakeshore Hazard Message
National Weather Service Buffalo NY
1057 AM EDT Fri Mar 26 2021

NYZ010-019-085-262000-
/O.CON.KBUF.LS.W.0002.000000T0000Z-210326T2000Z/
Northern Erie-Chautauqua-Southern Erie-
1057 AM EDT Fri Mar 26 2021

...LAKESHORE FLOOD WARNING REMAINS IN EFFECT UNTIL 4 PM EDT THIS
AFTERNOON...

* WHAT...Lakeshore flooding expected.

* WHERE...Lake Erie shore of Erie and Chautauqua counties.

* WHEN...From 8 AM to 4 PM EDT Friday.

* IMPACTS...A rapid rise in water levels at the eastern end of 
  Lake Erie will result in lakeshore flooding along the Lake 
  Erie shore. Flooding is expected along the Lake Erie 
  shoreline, possibly impacting Route 5 in Hamburg. Some 
  flooding is also possible in Buffalo Harbor and Canalside, 
  Dunkirk Harbor, and other flood prone locations. Very high 
  wave action will also result in shoreline erosion. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Lakeshore Flood Warning means lakeshore flooding is occurring,
is imminent, or is expected to occur. For your safety, stay off
breakwaters, piers, rock outcroppings and beaches! Waves are
often larger than they appear and can easily wash you away.
Expect significant beach erosion and debris, local road closures
and extremely dangerous boating conditions.

&&

$$

Hitchcock
061 
WHUS41 KBUF 261958
CFWBUF

Lakeshore Hazard Message
National Weather Service Buffalo NY
358 PM EDT Fri Mar 26 2021

NYZ010-019-085-262100-
/O.CAN.KBUF.LS.W.0002.000000T0000Z-210326T2000Z/
Northern Erie-Chautauqua-Southern Erie-
358 PM EDT Fri Mar 26 2021

...LAKESHORE FLOOD WARNING IS CANCELLED...

No additional lakeshore flooding is expected.

$$

Apffel

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 24, 11:04 PM EDTSpecial Marine WarningBUF56 min
Mar 24, 11:10 PM EDTSpecial Weather StatementBUFNiagara50 min
Mar 25, 4:26 AM EDTGale WarningBUF39 hr
Mar 25, 2:12 PM EDTHigh Wind WarningBUFCattaraugus, Chautauqua, Erie, Genesee, Monroe, Niagara and 2 more26 hr
Mar 25, 2:12 PM EDTWind AdvisoryBUFAllegany, Cayuga, Jefferson, Livingston, Monroe, Ontario and 2 more29 hr

Nearby

Lakeshore Flood Warnings in New York, 2021Every lakeshore 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.