Alert archive / New York / Freeze Warnings in 2020

Freeze Warning 3, NWS Buffalo, NY

May 8, 202012 counties in New York

NWS Buffalo, NY issued this freeze warning at May 8, 2020, 1:32 PM EDT for 12 counties in New York. It took effect at May 8, 2020, 8:00 PM EDT. It was in force for 15 hr. 5 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
May 8, 2020, 1:32 PM EDT (17:32 UTC)
In effect from
May 8, 2020, 8:00 PM EDT
Expired
May 9, 2020, 11:00 AM EDT
In force
15 hr
Issued by
NWS Buffalo, NY

Counties Cayuga County, NY, Chautauqua County, NY, Erie County, NY, Genesee County, NY, Livingston County, NY, Monroe County, NY, Niagara County, NY, Ontario County, NY, Orleans County, NY, Oswego County, NY, Wayne County, NY, Wyoming County, NY

The radar

The Buffalo radar (KBUF), 74 km from the middle of the area, began a volume at 17:31 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
May 9, 6:00 AM EDTSNOW 0.53 S Scipio Center, NY24-HOUR SNOWFALL.
May 9, 6:30 AM EDTSNOW 0.23 Ese Cayuga, NY24-HOUR SNOWFALL.
May 9, 7:00 AM EDTSNOW 0.24 Nne Cayuga, NY24-HOUR SNOWFALL.
May 9, 7:00 AM EDTSNOW 0.3Auburn, NY24-HOUR SNOWFALL.
May 9, 7:09 AM EDTSNOW 4.28 N Redfield, NY

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, 5.5 hours before the alert went out and 71 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 2020-05-08Temperature 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 2020-05-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -152 square meters per square second.1939587897117Sfc1 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
1597 m above ground
0-6 km bulk shear
80 kt
0-1 km storm-relative helicity
-152 m²/s²
0-3 km storm-relative helicity
41 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

758 
WWUS71 KBUF 081732
NPWBUF

URGENT - WEATHER MESSAGE
National Weather Service Buffalo NY
132 PM EDT Fri May 8 2020

NYZ001>006-010>014-019-085-090145-
/O.NEW.KBUF.FZ.W.0003.200509T0000Z-200509T1500Z/
Niagara-Orleans-Monroe-Wayne-Northern Cayuga-Oswego-Northern Erie-
Genesee-Wyoming-Livingston-Ontario-Chautauqua-Southern Erie-
Including the cities of Niagara Falls, Medina, Rochester, Newark,
Fair Haven, Oswego, Buffalo, Batavia, Warsaw, Geneseo, 
Canandaigua, Jamestown, Orchard Park, and Springville
132 PM EDT Fri May 8 2020

...FREEZE WARNING IN EFFECT FROM 8 PM THIS EVENING TO 11 AM EDT
SATURDAY...

* WHAT...Sub-freezing temperatures expected. Low temperatures
  tonight will range from around 30 near the immediate lakeshores
  to the lower to mid 20s inland away from the lakes.

* WHERE...Niagara, Orleans, Monroe, Wayne, Northern Cayuga, 
  Oswego, Erie, Genesee, Wyoming, Livingston, Ontario, and 
  Chautauqua counties.

* WHEN...From 8 PM this evening to 11 AM EDT Saturday.

* IMPACTS...Frost and freeze conditions will kill crops, other 
  sensitive vegetation and possibly damage unprotected outdoor 
  plumbing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

&&

$$

Apffel
4 follow-up statements
850 
WWUS71 KBUF 082334
NPWBUF

URGENT - WEATHER MESSAGE
National Weather Service Buffalo NY
734 PM EDT Fri May 8 2020

NYZ001>006-010>014-019-085-090800-
/O.CON.KBUF.FZ.W.0003.200509T0000Z-200509T1500Z/
Niagara-Orleans-Monroe-Wayne-Northern Cayuga-Oswego-Northern Erie-
Genesee-Wyoming-Livingston-Ontario-Chautauqua-Southern Erie-
Including the cities of Niagara Falls, Medina, Rochester, Newark,
Fair Haven, Oswego, Buffalo, Batavia, Warsaw, Geneseo, 
Canandaigua, Jamestown, Orchard Park, and Springville
734 PM EDT Fri May 8 2020

...FREEZE WARNING REMAINS IN EFFECT UNTIL 11 AM EDT SATURDAY...

* WHAT...Sub-freezing temperatures expected. Low temperatures 
  tonight will range from around 30 near the immediate 
  lakeshores to the lower to mid 20s inland away from the lakes.

* WHERE...Niagara, Orleans, Monroe, Wayne, Northern Cayuga, 
  Oswego, Erie, Genesee, Wyoming, Livingston, Ontario, and 
  Chautauqua counties.

* WHEN...From 8 PM this evening to 11 AM EDT Saturday.

* IMPACTS...Frost and freeze conditions will kill crops, other 
  sensitive vegetation and possibly damage unprotected outdoor 
  plumbing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

&&

$$
412 
WWUS71 KBUF 090240
NPWBUF

URGENT - WEATHER MESSAGE
National Weather Service Buffalo NY
1040 PM EDT Fri May 8 2020

NYZ001>006-010>014-019-085-091045-
/O.CON.KBUF.FZ.W.0003.000000T0000Z-200509T1500Z/
Niagara-Orleans-Monroe-Wayne-Northern Cayuga-Oswego-Northern Erie-
Genesee-Wyoming-Livingston-Ontario-Chautauqua-Southern Erie-
Including the cities of Niagara Falls, Medina, Rochester, Newark,
Fair Haven, Oswego, Buffalo, Batavia, Warsaw, Geneseo, 
Canandaigua, Jamestown, Orchard Park, and Springville
1040 PM EDT Fri May 8 2020

...FREEZE WARNING REMAINS IN EFFECT UNTIL 11 AM EDT SATURDAY...

* WHAT...Sub-freezing temperatures expected. Low temperatures 
  tonight will range from around 30 near the immediate 
  lakeshores to the lower to mid 20s inland away from the lakes.

* WHERE...Niagara, Orleans, Monroe, Wayne, Northern Cayuga, 
  Oswego, Erie, Genesee, Wyoming, Livingston, Ontario, and 
  Chautauqua counties.

* WHEN...From 8 PM this evening to 11 AM EDT Saturday.

* IMPACTS...Frost and freeze conditions will kill crops, other 
  sensitive vegetation and possibly damage unprotected outdoor 
  plumbing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

&&

$$
640 
WWUS71 KBUF 090754
NPWBUF

URGENT - WEATHER MESSAGE
National Weather Service Buffalo NY
354 AM EDT Sat May 9 2020

NYZ001>006-010>014-019-085-091500-
/O.CON.KBUF.FZ.W.0003.000000T0000Z-200509T1500Z/
Niagara-Orleans-Monroe-Wayne-Northern Cayuga-Oswego-Northern Erie-
Genesee-Wyoming-Livingston-Ontario-Chautauqua-Southern Erie-
Including the cities of Niagara Falls, Medina, Rochester, Newark,
Fair Haven, Oswego, Buffalo, Batavia, Warsaw, Geneseo, 
Canandaigua, Jamestown, Orchard Park, and Springville
354 AM EDT Sat May 9 2020

...FREEZE WARNING REMAINS IN EFFECT UNTIL 11 AM EDT THIS
MORNING...

* WHAT...Sub-freezing temperatures in the lower to middle 20s
  inland, with temperatures in the upper 20s to near 30 degrees 
  near Lake Erie and Lake Ontario.

* WHERE...Niagara, Orleans, Monroe, Wayne, Northern Cayuga, 
  Oswego, Erie, Genesee, Wyoming, Livingston, Ontario, and 
  Chautauqua counties.

* WHEN...Until 11 AM EDT this morning.

* IMPACTS...Frost and freeze conditions will kill crops, other 
  sensitive vegetation and possibly damage unprotected outdoor 
  plumbing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly. Those that have 
in-ground sprinkler systems should drain them and cover above- 
ground pipes to protect them from freezing.

&&

$$
JLA
999 
WWUS71 KBUF 091441
NPWBUF

URGENT - WEATHER MESSAGE
National Weather Service Buffalo NY
1041 AM EDT Sat May 9 2020

NYZ001>006-010>014-019-085-091545-
/O.EXP.KBUF.FZ.W.0003.000000T0000Z-200509T1500Z/
Niagara-Orleans-Monroe-Wayne-Northern Cayuga-Oswego-Northern Erie-
Genesee-Wyoming-Livingston-Ontario-Chautauqua-Southern Erie-
Including the cities of Niagara Falls, Medina, Rochester, Newark,
Fair Haven, Oswego, Buffalo, Batavia, Warsaw, Geneseo, 
Canandaigua, Jamestown, Orchard Park, and Springville
1041 AM EDT Sat May 9 2020

...FREEZE WARNING WILL EXPIRE AT 11 AM EDT THIS MORNING...

Temperatures will continue to gradually warm.

$$

TMA

The office that day

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

IssuedProductOfficeCountiesLasted
May 8, 2:54 PM EDTSmall Craft AdvisoryBUF44 hr
May 8, 3:51 PM EDTLakeshore Flood WatchBUFCayuga, Oswego, Wayne12 hr

Nearby

Freeze Warnings in New York, 2020Every freeze warning in 2020

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.