Alert archive / New York / Frost Advisories in 2020

Frost Advisory 2, NWS Buffalo, NY

May 6, 202012 counties in New York

NWS Buffalo, NY issued this frost advisory at May 6, 2020, 4:17 AM EDT for 12 counties in New York. It took effect at May 7, 2020, 1:00 AM EDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
May 6, 2020, 4:17 AM EDT (08:17 UTC)
In effect from
May 7, 2020, 1:00 AM EDT
Expired
May 7, 2020, 8:00 AM EDT
In force
7 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 08:19 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, 8.3 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 00:00Z on 2020-05-06Temperature 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 2020-05-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 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
2724 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
26 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

181 
WWUS71 KBUF 060817
NPWBUF

URGENT - WEATHER MESSAGE
National Weather Service Buffalo NY
417 AM EDT Wed May 6 2020

NYZ001>003-010>013-019-085-061630-
/O.NEW.KBUF.FR.Y.0002.200507T0500Z-200507T1200Z/
Niagara-Orleans-Monroe-Northern Erie-Genesee-Wyoming-Livingston-
Chautauqua-Southern Erie-
Including the cities of Niagara Falls, Medina, Rochester, 
Buffalo, Batavia, Warsaw, Geneseo, Jamestown, Orchard Park, 
and Springville
417 AM EDT Wed May 6 2020

...FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM EDT THURSDAY...

* WHAT...Temperatures in the lower to mid 30s will result in 
  frost formation.

* WHERE...Niagara, Orleans, Monroe, Erie, Genesee, Wyoming, 
  Livingston, and Chautauqua counties.

* WHEN...From 1 AM to 8 AM EDT Thursday.

* IMPACTS...Frost could kill sensitive outdoor vegetation if 
  left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

NYZ004>006-014-061200-
/O.CON.KBUF.FR.Y.0001.000000T0000Z-200506T1200Z/
Wayne-Northern Cayuga-Oswego-Ontario-
Including the cities of Newark, Fair Haven, Oswego, 
and Canandaigua
417 AM EDT Wed May 6 2020

...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING...

* WHAT...Temperatures in the lower to mid 30s will result in 
  frost formation.

* WHERE...Wayne, Northern Cayuga, Oswego, and Ontario counties.

* WHEN...Until 8 AM EDT this morning.

* IMPACTS...Frost could kill sensitive outdoor vegetation if 
  left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

TMA
6 follow-up statements
073 
WWUS71 KBUF 061202
NPWBUF

URGENT - WEATHER MESSAGE
National Weather Service Buffalo NY
802 AM EDT Wed May 6 2020

NYZ004>006-014-062015-
/O.EXP.KBUF.FR.Y.0001.000000T0000Z-200506T1200Z/
/O.EXA.KBUF.FR.Y.0002.200507T0500Z-200507T1200Z/
Wayne-Northern Cayuga-Oswego-Ontario-
Including the cities of Newark, Fair Haven, Oswego, 
and Canandaigua
802 AM EDT Wed May 6 2020

...FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM EDT THURSDAY...

* WHAT...Temperatures in the lower to mid 30s will result in 
  frost formation.

* WHERE...Wayne, Northern Cayuga, Oswego, and Ontario counties.

* WHEN...From 1 AM to 8 AM EDT Thursday.

* IMPACTS...Frost could damage or kill sensitive outdoor 
  vegetation if left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

NYZ001>003-010>013-019-085-062015-
/O.CON.KBUF.FR.Y.0002.200507T0500Z-200507T1200Z/
Niagara-Orleans-Monroe-Northern Erie-Genesee-Wyoming-Livingston-
Chautauqua-Southern Erie-
Including the cities of Niagara Falls, Medina, Rochester, 
Buffalo, Batavia, Warsaw, Geneseo, Jamestown, Orchard Park, 
and Springville
802 AM EDT Wed May 6 2020

...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 8 AM EDT
THURSDAY...

* WHAT...Temperatures in the low to mid 30s will result in frost 
  formation.

* WHERE...Niagara, Orleans, Monroe, Erie, Genesee, Wyoming, 
  Livingston, and Chautauqua counties.

* WHEN...From 1 AM to 8 AM EDT Thursday.

* IMPACTS...Frost could damage or kill sensitive outdoor 
  vegetation if left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

Hitchcock
261 
WWUS71 KBUF 061739
NPWBUF

URGENT - WEATHER MESSAGE
National Weather Service Buffalo NY
139 PM EDT Wed May 6 2020

NYZ001>006-010>014-019-085-070145-
/O.CON.KBUF.FR.Y.0002.200507T0500Z-200507T1200Z/
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
139 PM EDT Wed May 6 2020

...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 8 AM EDT
THURSDAY...

* WHAT...Temperatures in the lower to mid 30s will result in 
  frost formation.

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

* WHEN...From 1 AM to 8 AM EDT Thursday.

* IMPACTS...Frost could damage or kill sensitive outdoor 
  vegetation if left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

Hitchcock
465 
WWUS71 KBUF 062319
NPWBUF

URGENT - WEATHER MESSAGE
National Weather Service Buffalo NY
719 PM EDT Wed May 6 2020

NYZ001>006-010>014-019-085-070730-
/O.CON.KBUF.FR.Y.0002.200507T0500Z-200507T1200Z/
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
719 PM EDT Wed May 6 2020

...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 8 AM EDT
THURSDAY...

* WHAT...Temperatures in the lower to mid 30s will result in 
  frost formation.

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

* WHEN...From 1 AM to 8 AM EDT Thursday.

* IMPACTS...Frost could damage or kill sensitive outdoor 
  vegetation if left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$
163 
WWUS71 KBUF 070201
NPWBUF

URGENT - WEATHER MESSAGE
National Weather Service Buffalo NY
1001 PM EDT Wed May 6 2020

NYZ001>006-010>014-019-085-071015-
/O.CON.KBUF.FR.Y.0002.200507T0500Z-200507T1200Z/
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
1001 PM EDT Wed May 6 2020

...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 8 AM EDT
THURSDAY...

* WHAT...Temperatures in the upper 20s will result in frost 
  formation.

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

* WHEN...From 1 AM to 8 AM EDT Thursday.

* IMPACTS...Frost could kill sensitive outdoor vegetation if 
  left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$
790 
WWUS71 KBUF 070725
NPWBUF

URGENT - WEATHER MESSAGE
National Weather Service Buffalo NY
325 AM EDT Thu May 7 2020

NYZ001>006-010>014-019-085-071200-
/O.CON.KBUF.FR.Y.0002.000000T0000Z-200507T1200Z/
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
325 AM EDT Thu May 7 2020

...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING...

* WHAT...Temperatures in the lower to mid 30s will result in 
  frost formation.

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

* WHEN...Until 8 AM EDT this morning.

* IMPACTS...Frost could kill sensitive outdoor vegetation if 
  left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$
978 
WWUS71 KBUF 071200
NPWBUF

URGENT - WEATHER MESSAGE
National Weather Service Buffalo NY
800 AM EDT Thu May 7 2020

NYZ001>006-010>014-019-085-071300-
/O.EXP.KBUF.FR.Y.0002.000000T0000Z-200507T1200Z/
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
800 AM EDT Thu May 7 2020

...FROST ADVISORY HAS EXPIRED...

Temperatures will continue to quickly warm this morning.

$$

Hitchcock

The office that day

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

IssuedProductOfficeCountiesLasted
May 5, 10:19 PM EDTFrost AdvisoryBUFCayuga, Ontario, Oswego, Wayne10 hr

Nearby

Frost Advisories in New York, 2020Every frost advisory 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.