Alert archive / New York / Heat Advisories in 2018

Heat Advisory 3, NWS Buffalo, NY

June 29, 201810 counties in New York

NWS Buffalo, NY issued this heat advisory at Jun 29, 2018, 2:10 PM EDT for 10 counties in New York. It took effect at Jul 1, 2018, 8:00 PM EDT. It was in force for .

The area

The counties it named.

The facts

Issued
Jun 29, 2018, 2:10 PM EDT (18:10 UTC)
In effect from
Jul 1, 2018, 8:00 PM EDT
Expired
Jun 30, 2018, 3:59 AM EDT
In force
Issued by
NWS Buffalo, NY

Counties Cayuga 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

The radar

The Buffalo radar (KBUF), 90 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.

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 6.2 hours before the alert went out and 88 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 2018-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°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 2018-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 52 square meters per square second.193958Sfc1 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
1 J/kg
Mixed-layer CIN
-93 J/kg
Mixed-layer LCL
1326 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
52 m²/s²
0-3 km storm-relative helicity
90 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted.

695 
WWUS71 KBUF 291810
NPWBUF

URGENT - WEATHER MESSAGE
National Weather Service Buffalo NY
210 PM EDT Fri Jun 29 2018

NYZ010-300215-
/O.NEW.KBUF.EH.W.0001.180701T1600Z-180702T0000Z/
/O.NEW.KBUF.HT.Y.0003.180702T0000Z-180703T0200Z/
/O.EXT.KBUF.HT.Y.0002.180630T1600Z-180701T1600Z/
Northern Erie-
Including the city of Buffalo
210 PM EDT Fri Jun 29 2018

...HEAT ADVISORY NOW IN EFFECT FROM NOON SATURDAY TO NOON EDT
SUNDAY...
...EXCESSIVE HEAT WARNING IN EFFECT FROM NOON TO 8 PM EDT
SUNDAY...
...HEAT ADVISORY IN EFFECT FROM 8 PM SUNDAY TO 10 PM EDT MONDAY...

The National Weather Service in Buffalo has issued an Excessive
Heat Warning, which is in effect from noon to 8 PM EDT Sunday. A
Heat Advisory has also been issued. This Heat Advisory is in
effect from 8 PM Sunday to 10 PM EDT Monday.

* LOCATIONS...Northern Erie county.

* TIMING...The first Heat Advisory is in effect from late 
  Saturday morning through late Sunday morning. The Excessive 
  Heat Warning is in effect from late Sunday morning through 
  early Sunday evening. The second Heat Advisory is in effect 
  from early Sunday evening through late Monday evening.

* HEAT INDEX VALUES...In the mid 90s Saturday, near 105 Sunday,
  and near 100 Monday.

* IMPACTS...Consecutive days of dangerous heat and humidity will 
  bring an increased risk for heat related illness. The elderly, 
  very young, and those with heart and respiratory conditions 
  that don't have access to air conditioning are especially at 
  risk during long lasting heat waves.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Heat Advisory means that a period of hot temperatures is
expected. The combination of hot temperatures and high humidity
will combine to create a situation in which heat illnesses are
possible. Drink plenty of fluids...stay in an air-conditioned
room...stay out of the sun...and check in on relatives and
neighbors.

Take extra precautions if you work or spend time outside. when
possible...reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear light weight and loose fitting clothing when
possible and drink plenty of water.

To reduce risk during outdoor work...the occupational safety and
health administration recommends scheduling frequent rest breaks
in shaded or air conditioned environments. anyone overcome by
heat should be moved to a cool and shaded location. Heat stroke
is an emergency - call 9 1 1.

&&

$$

NYZ001>006-011-013-014-300215-
/O.NEW.KBUF.EH.W.0001.180701T1600Z-180702T0000Z/
/O.NEW.KBUF.HT.Y.0003.180702T0000Z-180703T0200Z/
/O.EXT.KBUF.HT.Y.0002.180630T1600Z-180701T1600Z/
Niagara-Orleans-Monroe-Wayne-Northern Cayuga-Oswego-Genesee-
Livingston-Ontario-
Including the cities of Niagara Falls, Medina, Rochester, Newark,
Fair Haven, Oswego, Batavia, Geneseo, and Canandaigua
210 PM EDT Fri Jun 29 2018

...HEAT ADVISORY NOW IN EFFECT FROM NOON SATURDAY TO NOON EDT
SUNDAY...
...EXCESSIVE HEAT WARNING IN EFFECT FROM NOON TO 8 PM EDT
SUNDAY...
...HEAT ADVISORY IN EFFECT FROM 8 PM SUNDAY TO 10 PM EDT MONDAY...

The National Weather Service in Buffalo has issued an Excessive
Heat Warning, which is in effect from noon to 8 PM EDT Sunday. A
Heat Advisory has also been issued. This Heat Advisory is in
effect from 8 PM Sunday to 10 PM EDT Monday.

* LOCATIONS...Niagara, Orleans, Monroe, Wayne, Northern Cayuga, 
  Oswego, Genesee, Livingston, and Ontario counties.

* TIMING...The first Heat Advisory is in effect from late 
  Saturday morning through late Sunday morning. The Excessive 
  Heat Warning is in effect from late Sunday morning through 
  early Sunday evening. The second Heat Advisory is in effect 
  from early Sunday evening through late Monday evening.

* HEAT INDEX VALUES...Near 100 Saturday, 105 to 110 Sunday, 100 to
  105 Monday.

* IMPACTS...Consecutive days of dangerous heat and humidity will 
  bring an increased risk for heat related illness. The elderly, 
  very young, and those with heart and respiratory conditions 
  that don't have access to air conditioning are especially at 
  risk during long lasting heat waves.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Heat Advisory means that a period of hot temperatures is
expected. The combination of hot temperatures and high humidity
will combine to create a situation in which heat illnesses are
possible. Drink plenty of fluids...stay in an air-conditioned
room...stay out of the sun...and check in on relatives and
neighbors.

Take extra precautions if you work or spend time outside. when
possible...reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear light weight and loose fitting clothing when
possible and drink plenty of water.

To reduce risk during outdoor work...the occupational safety and
health administration recommends scheduling frequent rest breaks
in shaded or air conditioned environments. anyone overcome by
heat should be moved to a cool and shaded location. Heat stroke
is an emergency - call 9 1 1.

&&

$$

NYZ012-019>021-085-300215-
/O.CON.KBUF.HT.Y.0002.180630T1600Z-180703T0200Z/
Wyoming-Chautauqua-Cattaraugus-Allegany-Southern Erie-
Including the cities of Warsaw, Jamestown, Olean, Wellsville, 
Orchard Park, and Springville
210 PM EDT Fri Jun 29 2018

...HEAT ADVISORY REMAINS IN EFFECT FROM NOON SATURDAY TO 10 PM
EDT MONDAY...

* LOCATIONS...Southern Erie and Wyoming counties and the western 
  Southern Tier.

* TIMING...From late Saturday morning through late Monday 
  evening.

* HEAT INDEX VALUES...As high as 100.

* IMPACTS...Consecutive days of dangerous heat and humidity will 
  bring an increased risk for heat related illness. The elderly, 
  very young, and those with heart and respiratory conditions 
  that don't have access to air conditioning are especially at 
  risk during long lasting heat waves.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Heat Advisory means that a period of hot temperatures is
expected. The combination of hot temperatures and high humidity
will combine to create a situation in which heat illnesses are
possible. Drink plenty of fluids...stay in an air-conditioned
room...stay out of the sun...and check in on relatives and
neighbors.

Take extra precautions if you work or spend time outside. when
possible...reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear light weight and loose fitting clothing when
possible and drink plenty of water.

To reduce risk during outdoor work...the occupational safety and
health administration recommends scheduling frequent rest breaks
in shaded or air conditioned environments. anyone overcome by
heat should be moved to a cool and shaded location. Heat stroke
is an emergency - call 9 1 1.

&&

$$

NYZ007-008-300215-
/O.CON.KBUF.HT.Y.0002.180630T1600Z-180703T0200Z/
Jefferson-Lewis-
Including the cities of Watertown and Lowville
210 PM EDT Fri Jun 29 2018

...HEAT ADVISORY REMAINS IN EFFECT FROM NOON SATURDAY TO 10 PM
EDT MONDAY...

* LOCATIONS...Jefferson and Lewis counties.

* TIMING...From late Saturday morning through late Monday 
  evening.

* HEAT INDEX VALUES...As high as 105.

* IMPACTS...Consecutive days of dangerous heat and humidity will 
  bring an increased risk for heat related illness. The elderly, 
  very young, and those with heart and respiratory conditions 
  that don't have access to air conditioning are especially at 
  risk during long lasting heat waves.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Heat Advisory means that a period of hot temperatures is
expected. The combination of hot temperatures and high humidity
will combine to create a situation in which heat illnesses are
possible. Drink plenty of fluids...stay in an air-conditioned
room...stay out of the sun...and check in on relatives and
neighbors.

Take extra precautions if you work or spend time outside. when
possible...reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear light weight and loose fitting clothing when
possible and drink plenty of water.

To reduce risk during outdoor work...the occupational safety and
health administration recommends scheduling frequent rest breaks
in shaded or air conditioned environments. anyone overcome by
heat should be moved to a cool and shaded location. Heat stroke
is an emergency - call 9 1 1.

&&

$$
2 follow-up statements
435 
WWUS71 KBUF 300205
NPWBUF

URGENT - WEATHER MESSAGE
National Weather Service Buffalo NY
1005 PM EDT Fri Jun 29 2018

NYZ010-301015-
/O.CON.KBUF.EH.W.0001.180701T1600Z-180702T0000Z/
/O.CON.KBUF.HT.Y.0002.180630T1600Z-180701T1600Z/
/O.CON.KBUF.HT.Y.0003.180702T0000Z-180703T0200Z/
Northern Erie-
Including the city of Buffalo
1005 PM EDT Fri Jun 29 2018

...HEAT ADVISORY REMAINS IN EFFECT FROM NOON SATURDAY TO NOON EDT
SUNDAY...
...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM NOON TO 8 PM EDT
SUNDAY...
...HEAT ADVISORY REMAINS IN EFFECT FROM 8 PM SUNDAY TO 10 PM EDT
MONDAY...

* LOCATIONS...Northern Erie county.

* TIMING...The first Heat Advisory is in effect from late 
  Saturday morning through late Sunday morning. The Excessive 
  Heat Warning is in effect from late Sunday morning through 
  early Sunday evening. The second Heat Advisory is in effect 
  from early Sunday evening through late Monday evening.

* HEAT INDEX VALUES...In the mid 90s Saturday, near 105 Sunday,
  and near 100 Monday.

* IMPACTS...Consecutive days of dangerous heat and humidity will 
  bring an increased risk for heat related illness. The elderly, 
  very young, and those with heart and respiratory conditions 
  that don't have access to air conditioning are especially at 
  risk during long lasting heat waves.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Heat Advisory means that a period of hot temperatures is
expected. The combination of hot temperatures and high humidity
will combine to create a situation in which heat illnesses are
possible. Drink plenty of fluids...stay in an air-conditioned
room...stay out of the sun...and check in on relatives and
neighbors.

Take extra precautions if you work or spend time outside. when
possible...reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear light weight and loose fitting clothing when
possible and drink plenty of water.

To reduce risk during outdoor work...the occupational safety and
health administration recommends scheduling frequent rest breaks
in shaded or air conditioned environments. anyone overcome by
heat should be moved to a cool and shaded location. Heat stroke
is an emergency - call 9 1 1.

&&

$$

NYZ001>006-011-013-014-301015-
/O.CON.KBUF.EH.W.0001.180701T1600Z-180702T0000Z/
/O.CON.KBUF.HT.Y.0002.180630T1600Z-180701T1600Z/
/O.CON.KBUF.HT.Y.0003.180702T0000Z-180703T0200Z/
Niagara-Orleans-Monroe-Wayne-Northern Cayuga-Oswego-Genesee-
Livingston-Ontario-
Including the cities of Niagara Falls, Medina, Rochester, Newark,
Fair Haven, Oswego, Batavia, Geneseo, and Canandaigua
1005 PM EDT Fri Jun 29 2018

...HEAT ADVISORY REMAINS IN EFFECT FROM NOON SATURDAY TO NOON EDT
SUNDAY...
...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM NOON TO 8 PM EDT
SUNDAY...
...HEAT ADVISORY REMAINS IN EFFECT FROM 8 PM SUNDAY TO 10 PM EDT
MONDAY...

* LOCATIONS...Niagara, Orleans, Monroe, Wayne, Northern Cayuga, 
  Oswego, Genesee, Livingston, and Ontario counties.

* TIMING...The first Heat Advisory is in effect from late 
  Saturday morning through late Sunday morning. The Excessive 
  Heat Warning is in effect from late Sunday morning through 
  early Sunday evening. The second Heat Advisory is in effect 
  from early Sunday evening through late Monday evening.

* HEAT INDEX VALUES...Near 100 Saturday, 105 to 110 Sunday, 100 to
  105 Monday.

* IMPACTS...Consecutive days of dangerous heat and humidity will 
  bring an increased risk for heat related illness. The elderly, 
  very young, and those with heart and respiratory conditions 
  that don't have access to air conditioning are especially at 
  risk during long lasting heat waves.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Heat Advisory means that a period of hot temperatures is
expected. The combination of hot temperatures and high humidity
will combine to create a situation in which heat illnesses are
possible. Drink plenty of fluids...stay in an air-conditioned
room...stay out of the sun...and check in on relatives and
neighbors.

Take extra precautions if you work or spend time outside. when
possible...reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear light weight and loose fitting clothing when
possible and drink plenty of water.

To reduce risk during outdoor work...the occupational safety and
health administration recommends scheduling frequent rest breaks
in shaded or air conditioned environments. anyone overcome by
heat should be moved to a cool and shaded location. Heat stroke
is an emergency - call 9 1 1.

&&

$$

NYZ012-019>021-085-301015-
/O.CON.KBUF.HT.Y.0002.180630T1600Z-180703T0200Z/
Wyoming-Chautauqua-Cattaraugus-Allegany-Southern Erie-
Including the cities of Warsaw, Jamestown, Olean, Wellsville, 
Orchard Park, and Springville
1005 PM EDT Fri Jun 29 2018

...HEAT ADVISORY REMAINS IN EFFECT FROM NOON SATURDAY TO 10 PM
EDT MONDAY...

* LOCATIONS...Southern Erie and Wyoming counties and the western 
  Southern Tier.

* TIMING...From late Saturday morning through late Monday 
  evening.

* HEAT INDEX VALUES...As high as 100.

* IMPACTS...Consecutive days of dangerous heat and humidity will 
  bring an increased risk for heat related illness. The elderly, 
  very young, and those with heart and respiratory conditions 
  that don't have access to air conditioning are especially at 
  risk during long lasting heat waves.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Heat Advisory means that a period of hot temperatures is
expected. The combination of hot temperatures and high humidity
will combine to create a situation in which heat illnesses are
possible. Drink plenty of fluids...stay in an air-conditioned
room...stay out of the sun...and check in on relatives and
neighbors.

Take extra precautions if you work or spend time outside. when
possible...reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear light weight and loose fitting clothing when
possible and drink plenty of water.

To reduce risk during outdoor work...the occupational safety and
health administration recommends scheduling frequent rest breaks
in shaded or air conditioned environments. anyone overcome by
heat should be moved to a cool and shaded location. Heat stroke
is an emergency - call 9 1 1.

&&

$$

NYZ007-008-301015-
/O.CON.KBUF.HT.Y.0002.180630T1600Z-180703T0200Z/
Jefferson-Lewis-
Including the cities of Watertown and Lowville
1005 PM EDT Fri Jun 29 2018

...HEAT ADVISORY REMAINS IN EFFECT FROM NOON SATURDAY TO 10 PM
EDT MONDAY...

* LOCATIONS...Jefferson and Lewis counties.

* TIMING...From late Saturday morning through late Monday 
  evening.

* HEAT INDEX VALUES...As high as 105.

* IMPACTS...Consecutive days of dangerous heat and humidity will 
  bring an increased risk for heat related illness. The elderly, 
  very young, and those with heart and respiratory conditions 
  that don't have access to air conditioning are especially at 
  risk during long lasting heat waves.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Heat Advisory means that a period of hot temperatures is
expected. The combination of hot temperatures and high humidity
will combine to create a situation in which heat illnesses are
possible. Drink plenty of fluids...stay in an air-conditioned
room...stay out of the sun...and check in on relatives and
neighbors.

Take extra precautions if you work or spend time outside. when
possible...reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear light weight and loose fitting clothing when
possible and drink plenty of water.

To reduce risk during outdoor work...the occupational safety and
health administration recommends scheduling frequent rest breaks
in shaded or air conditioned environments. anyone overcome by
heat should be moved to a cool and shaded location. Heat stroke
is an emergency - call 9 1 1.

&&

$$
027 
WWUS71 KBUF 300759
NPWBUF

URGENT - WEATHER MESSAGE
National Weather Service Buffalo NY
359 AM EDT Sat Jun 30 2018

NYZ010-301600-
/O.CAN.KBUF.HT.Y.0003.180702T0000Z-180703T0200Z/
/O.EXT.KBUF.EH.W.0001.180701T1600Z-180703T0200Z/
/O.CON.KBUF.HT.Y.0002.180630T1600Z-180701T1600Z/
Northern Erie-
Including the city of Buffalo
359 AM EDT Sat Jun 30 2018

...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO NOON EDT
SUNDAY...

...EXCESSIVE HEAT WARNING NOW IN EFFECT FROM NOON SUNDAY TO 10 PM
EDT MONDAY...

* LOCATIONS...Northern Erie County. The highest heat index values
  will be inland from the Lake Erie shore.

* TIMING...The Heat Advisory is in effect from noon today through
  noon Sunday. The Excessive Heat Warning is in effect from noon
  Sunday through late Monday evening. The highest heat index
  values will be from about noon through 8 PM each day.

* HEAT INDEX VALUES...As high as the mid to upper 90s today. As
  high as 105 Sunday and Monday.

* IMPACTS...Consecutive days of dangerous heat and humidity will
  bring an increased risk for heat related illness. The elderly,
  very young, pregnant, and those with heart and respiratory 
  conditions that don't have access to air conditioning are 
  especially at risk during long lasting heat waves.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

An Excessive Heat Warning means that a prolonged period of 
dangerously hot temperatures will occur. The combination of 
hot temperatures and high humidity will combine to create a 
dangerous situation in which heat illnesses are likely. Drink 
plenty of fluids...stay in an air-conditioned room...stay out 
of the sun...and check up on relatives and neighbors. 

Take extra precautions if you work or spend time outside.
When possible...reschedule strenuous activities to early
morning or evening. Know the signs and symptoms of heat
exhaustion and heat stroke. Wear light weight and loose
fitting clothing when possible and drink plenty of water.

To reduce risk during outdoor work...the occupational safety
and health administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments.
Anyone overcome by heat should be moved to a cool and
shaded location. Heat stroke is an emergency - call 9 1 1.

Young children and pets should never be left unattended in 
vehicles under any circumstances.  This is especially true 
during warm or hot weather when car interiors can reach 
lethal temperatures in a matter of minutes.

&&

$$

NYZ001>006-011-013-014-301600-
/O.CAN.KBUF.HT.Y.0003.180702T0000Z-180703T0200Z/
/O.EXT.KBUF.EH.W.0001.180701T1600Z-180703T0200Z/
/O.CON.KBUF.HT.Y.0002.180630T1600Z-180701T1600Z/
Niagara-Orleans-Monroe-Wayne-Northern Cayuga-Oswego-Genesee-
Livingston-Ontario-
Including the cities of Niagara Falls, Medina, Rochester, Newark,
Fair Haven, Oswego, Batavia, Geneseo, and Canandaigua
359 AM EDT Sat Jun 30 2018

...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO NOON EDT
SUNDAY...
...EXCESSIVE HEAT WARNING NOW IN EFFECT FROM NOON SUNDAY TO 10 PM
EDT MONDAY...

* LOCATIONS...Niagara, Orleans, Genesee, Monroe, Wayne, Northern
  Cayuga, Oswego, Livingston, and Ontario counties.

* TIMING...The Heat Advisory is in effect from noon today through
  noon Sunday. The Excessive Heat Warning is in effect from noon
  Sunday morning through late Monday evening. The highest heat
  index values will be from about noon through 8 PM each day.

* HEAT INDEX VALUES...As high as 100 to 104 today. As high as 104
  to 108 Sunday and Monday.

* IMPACTS...Consecutive days of dangerous heat and humidity will
  bring an increased risk for heat related illness. The elderly,
  very young, pregnant, and those with heart and respiratory 
  conditions that don't have access to air conditioning are 
  especially at risk during long lasting heat waves.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

An Excessive Heat Warning means that a prolonged period of 
dangerously hot temperatures will occur. The combination of 
hot temperatures and high humidity will combine to create a 
dangerous situation in which heat illnesses are likely. Drink 
plenty of fluids...stay in an air-conditioned room...stay out 
of the sun...and check up on relatives and neighbors. 

Take extra precautions if you work or spend time outside.
When possible...reschedule strenuous activities to early
morning or evening. Know the signs and symptoms of heat
exhaustion and heat stroke. Wear light weight and loose
fitting clothing when possible and drink plenty of water.

To reduce risk during outdoor work...the occupational safety
and health administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments.
Anyone overcome by heat should be moved to a cool and
shaded location. Heat stroke is an emergency - call 9 1 1.

Young children and pets should never be left unattended in 
vehicles under any circumstances.  This is especially true 
during warm or hot weather when car interiors can reach 
lethal temperatures in a matter of minutes.

&&

$$

NYZ012-019>021-085-301600-
/O.CON.KBUF.HT.Y.0002.180630T1600Z-180703T0200Z/
Wyoming-Chautauqua-Cattaraugus-Allegany-Southern Erie-
Including the cities of Warsaw, Jamestown, Olean, Wellsville, 
Orchard Park, and Springville
359 AM EDT Sat Jun 30 2018

...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 10 PM EDT
MONDAY...

* LOCATIONS...Southern Erie and Wyoming counties and the western 
  Southern Tier.

* TIMING...From noon today through late Monday evening. The
  highest heat index values will be from about noon through 8 PM
  each day.

* HEAT INDEX VALUES...In the upper 90s.

* IMPACTS...Consecutive days of dangerous heat and humidity will
  bring an increased risk for heat related illness. The elderly,
  very young, pregnant, and those with heart and respiratory 
  conditions that don't have access to air conditioning are 
  especially at risk during long lasting heat waves.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Heat Advisory means that a period of hot temperatures is
expected. The combination of hot temperatures and high humidity
will combine to create a situation in which heat illnesses are
possible. Drink plenty of fluids...stay in an air-conditioned
room...stay out of the sun...and check in on relatives and
neighbors.

Take extra precautions if you work or spend time outside. when
possible...reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear light weight and loose fitting clothing when
possible and drink plenty of water.

To reduce risk during outdoor work...the occupational safety and
health administration recommends scheduling frequent rest breaks
in shaded or air conditioned environments. anyone overcome by
heat should be moved to a cool and shaded location. Heat stroke
is an emergency - call 9 1 1.

&&

$$

NYZ007-008-301600-
/O.CON.KBUF.HT.Y.0002.180630T1600Z-180703T0200Z/
Jefferson-Lewis-
Including the cities of Watertown and Lowville
359 AM EDT Sat Jun 30 2018

...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 10 PM EDT
MONDAY...

* LOCATIONS...Jefferson and Lewis counties.

* TIMING...From noon today through late Monday evening. The
  highest heat index values will be from about noon through 8 PM 
  each day.

* HEAT INDEX VALUES...As high as the mid 90s today. As high as 100
  to 105 Sunday and Monday.

* IMPACTS...Consecutive days of dangerous heat and humidity will
  bring an increased risk for heat related illness. The elderly,
  very young, pregnant, and those with heart and respiratory 
  conditions that don't have access to air conditioning are 
  especially at risk during long lasting heat waves.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Heat Advisory means that a period of hot temperatures is
expected. The combination of hot temperatures and high humidity
will combine to create a situation in which heat illnesses are
possible. Drink plenty of fluids...stay in an air-conditioned
room...stay out of the sun...and check in on relatives and
neighbors.

Take extra precautions if you work or spend time outside. when
possible...reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear light weight and loose fitting clothing when
possible and drink plenty of water.

To reduce risk during outdoor work...the occupational safety and
health administration recommends scheduling frequent rest breaks
in shaded or air conditioned environments. anyone overcome by
heat should be moved to a cool and shaded location. Heat stroke
is an emergency - call 9 1 1.

&&

$$

HITCHCOCK/CHURCH

What forecasters said that day

The local office's own words before this heat advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Buffalo, NY wrote its last area forecast discussion before this heat advisory went out at Jun 29, 1:45 PM EDT, 25 minutes earlier.

Area forecast discussion, Jun 29, 1:45 PM EDT, 25 minutes before
Area Forecast Discussion
National Weather Service Buffalo NY
145 PM EDT Fri Jun 29 2018

.SYNOPSIS...
A prolonged heat wave is expected this weekend and into next week as
a high pressure system stalls along the East Coast. The combination
of heat and humidity will produce heat indices in excess of 95
degrees most days into next week, with the peak heating on Sunday
and Monday. During those days, heat index values will possibly max
out between 103 to 109 degrees near and along the Thruway south of
Lake Ontario.

&&

.NEAR TERM /THROUGH SATURDAY/...
Surface high pressure over the PA/WV Appalachians will move SE off
the Mid Atlantic coast by Saturday.  This feature will be the result
of an anomalously strong upper level ridge that's been advertised
all week.  The 595 mb ridge will be over PA saturday will easily be
3SD above normal for this time of year assuming a normal
distribution. But the Guassian/bell curve should be much steeper on
the right side for 500 mb ridges, meaning that this is an extreme
event, as higher heights are exceedingly rare for this part of the
US. Low level flow will allow heat originating from the dry desert
southwest into Western and Central NY by Saturday, starting a
prolonged heat wave. Low level moisture from agriculture and
abundant summer foliage will contribute to an increasingly humid
environment (transpiration), but with dry air above, there will be
no chance for convection, at least South of Lake Ontario.

To the north - over and north of Lake Superior and into Ontario,
expect several rounds of convection to move along the N side of the
upper level ridge and east toward Quebec.  Some of these storms will
have the potential to clip the St Lawrence region overnight and
again on Saturday.

For temperatures, overnight lows will be summer-like, but not
extreme, as warmer air will be barely on our doorstep.  Therefore
expect lows mostly in the 60s.  Saturday, we should see the first of
several near or above 90+F max temperature days with heat index
values in the 95-100F range in lower elevation areas away from lake
influences.

&&

.SHORT TERM /SATURDAY NIGHT THROUGH TUESDAY/...
...Scorching Heat and High Humidity Sunday and Monday...

A sprawling mid-level anti-cyclone will anchor itself near the
Middle Atlantic coast from Sunday into the early part of next week.
A dearth of moisture under this combined with sultry air creeping up
the back side of it into the central Great Lakes region will mean
temperatures will rapidly warm into the latter half of the weekend
and stay there for the foreseeable future.

On the back side of the massive mid-level high, warm advection will
be working overtime. This will draw 850 hPa temperatures up toward
and above +20C not only for Sunday, but also into early next week.

While the 500 hPa feature will be edged a bit eastward on Monday,
and the southern fringe of some short wave troughing will encroach
on the western flank of the forecast area, the vast majority of the
height falls, mid-level moisture advection, and lift will all be
centered well to our northwest. The preponderance of guidance
indicates little in the way of lift, moisture, and QPF...except for
the GFS. With that in mind, PoPs were ramped downward for Monday and
likewise, with less expectation of cloud cover, high temperatures
were ramped upward.

The net result of all of the above means that mixing out of low 20s
Celsius at 850 hPa will yield widespread 90s across the forecast
area. Further combining this with dewpoints in the 70F range will
produce afternoon heat index values surpassing 100F on a fairly
widespread basis through the short term forecast period. In fact,
for Sunday, given that the Niagara Frontier and northern Finger
Lakes will be approaching the 100F mark for actual temperatures,
heat index values will easily surpass 105F, thus heat advisories for
these locations will be upgraded to excessive heat warnings.

Very warm temperatures and very low chances of rain will continue
through Tuesday as the mid-level ridging gradually retrogrades
westward. This will yield slightly less vertical mixing, which
should keep temperatures down a bit more into the lower and mid 90s
on a widespread basis. Even still, high humidity values will mean a
likely continuation of heat advisories for much of the remainder of
the short term period.

&&

.LONG TERM /TUESDAY NIGHT THROUGH FRIDAY/...
The heat wave will continue through most, if not all, of the
long term forecast as the strong upper level ridge remains
parked from the Middle Atlantic to the Ohio Valley through the
rest of the week. While the hottest days will likely be behind
us, highs in the 90s seem a good bet all week.

Layer moisture will be a bit higher than during the weekend, so
increased diurnal cloud cover seems a good bet, and with this, lake
breeze-induced showers and thunderstorms are not out of the
question. However, given paltry forcing, most areas should still
remain dry.

&&

.AVIATION /18Z FRIDAY THROUGH WEDNESDAY/...
VFR conditions will last through Saturday with high pressure over
the Mid Atlantic coastline.

Outlook...
Saturday night through Sunday...VFR.
Monday through Wednesday...Mainly VFR with scattered -TSRA.

&&

.MARINE...
A strong high pressure system will move southeast across the eastern
Great Lakes through the weekend bringing hot conditions but minimal
winds and waves. A weak cold front is forecast to cross the eastern
Great Lakes later Monday into Tuesday.

&&

.BUF WATCHES/WARNINGS/ADVISORIES...
NY...Heat Advisory from noon Saturday to 10 PM EDT Monday for
     NYZ001>008-010>014-019>021-085.
MARINE...None.

&&

SYNOPSIS...Zaff
NEAR TERM...Church/Zaff
SHORT TERM...Fries
LONG TERM...Fries
AVIATION...Zaff
MARINE...Zaff
Hazardous weather outlook, Jun 29, 2:07 PM EDT, 3 minutes before
Hazardous Weather Outlook
National Weather Service Buffalo NY
207 PM EDT Fri Jun 29 2018

NYZ012-019>021-085-301815-
Wyoming-Chautauqua-Cattaraugus-Allegany-Southern Erie-
207 PM EDT Fri Jun 29 2018

...HEAT ADVISORY IN EFFECT FROM NOON SATURDAY TO 10 PM EDT MONDAY...

This Hazardous Weather Outlook is for portions of western New York.

.DAY ONE...This Afternoon and Tonight.

The probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Heat Advisory.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

This product, along with other watches, warnings, advisories, and
statements issued by the National Weather Service office in Buffalo
can be found on the internet at http://www.weather.gov/buf

NYZ001>006-010-011-013-014-301815-
Niagara-Orleans-Monroe-Wayne-Northern Cayuga-Oswego-Northern Erie-
Genesee-Livingston-Ontario-
207 PM EDT Fri Jun 29 2018

...HEAT ADVISORY IN EFFECT FROM NOON SATURDAY TO NOON EDT SUNDAY...
...EXCESSIVE HEAT WARNING IN EFFECT FROM NOON TO 8 PM EDT SUNDAY...
...HEAT ADVISORY IN EFFECT FROM 8 PM SUNDAY TO 10 PM EDT MONDAY...

This Hazardous Weather Outlook is for portions of western and north
central New York.

.DAY ONE...This Afternoon and Tonight.

The probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Heat Advisory.
   Excessive Heat Warning.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

This product, along with other watches, warnings, advisories, and
statements issued by the National Weather Service office in Buffalo
can be found on the internet at http://www.weather.gov/buf

NYZ007-008-301815-
Jefferson-Lewis-
207 PM EDT Fri Jun 29 2018

...HEAT ADVISORY IN EFFECT FROM NOON SATURDAY TO 10 PM EDT MONDAY...

This Hazardous Weather Outlook is for portions of central New York.

.DAY ONE...This Afternoon and Tonight.

The probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Heat Advisory.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

This product, along with other watches, warnings, advisories, and
statements issued by the National Weather Service office in Buffalo
can be found on the internet at http://www.weather.gov/buf

LEZ020-040-041-LOZ042>045-062>065-SLZ022-024-301815-
Upper Niagara River and Buffalo Harbor-
Lake Erie nearshore waters from Ripley to Dunkirk-
Lake Erie nearshore waters from Dunkirk to Buffalo-
Lake Ontario nearshore waters from the Niagara River to Hamlin Beach-
Lake Ontario nearshore waters from Hamlin Beach to Sodus Bay-
Lake Ontario nearshore waters from Sodus Bay to Mexico Bay-
Lake Ontario nearshore waters from Mexico Bay to the Saint Lawrence
River-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
Lake Ontario open waters from Hamlin Beach to Sodus Bay-
Lake Ontario open waters from Sodus Bay to Mexico Bay-
Lake Ontario open waters from Mexico Bay to the Saint Lawrence River-
Saint Lawrence River from Cape Vincent to Ogdensburg-
Saint Lawrence River from Ogdensburg to Saint Regis-
207 PM EDT Fri Jun 29 2018

This Hazardous Weather Outlook is for portions of Lake Erie, Lake
Ontario and Saint Lawrence River.

.DAY ONE...This Afternoon and Tonight.

The probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

This product, along with other watches, warnings, advisories, and
statements issued by the National Weather Service office in Buffalo
can be found on the internet at http://www.weather.gov/buf

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 3:33 AM EDTHeat AdvisoryBUFAllegany, Cattaraugus, Cayuga, Chautauqua, Erie, Genesee and 10 more4 days
Jun 29, 2:10 PM EDTExcessive Heat WarningBUFCayuga, Erie, Genesee, Jefferson, Lewis, Livingston and 6 more3 days

Nearby

Heat Advisories in New York, 2018Every heat advisory in 2018

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.