Alert archive / New York / Heat Advisories in 2011

Heat Advisory 1, NWS Buffalo, NY

July 20, 20118 counties in New York

NWS Buffalo, NY issued this heat advisory at Jul 20, 2011, 3:17 PM EDT for 8 counties in New York. It took effect at Jul 21, 2011, 12:00 PM EDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Jul 20, 2011, 3:17 PM EDT (19:17 UTC)
In effect from
Jul 21, 2011, 12:00 PM EDT
Expired
Jul 21, 2011, 6:56 PM EDT
In force
7 hr
Issued by
NWS Buffalo, NY

Counties Allegany County, NY, Cattaraugus County, NY, Chautauqua County, NY, Erie County, NY, Genesee County, NY, Jefferson County, NY, Lewis County, NY, Wyoming County, NY

The radar

The Buffalo radar (KBUF), 72 km from the middle of the area, began a volume at 19:17 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, 7.3 hours before the alert went out and 69 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 2011-07-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 291 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 2011-07-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 89 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
291 J/kg
Mixed-layer CIN
-73 J/kg
Mixed-layer LCL
898 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
89 m²/s²
0-3 km storm-relative helicity
125 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.9

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

237 
WWUS71 KBUF 201917
NPWBUF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
317 PM EDT WED JUL 20 2011

NYZ001>006-013-014-210330-
/O.UPG.KBUF.EH.A.0001.110721T1500Z-110721T2200Z/
/O.NEW.KBUF.EH.W.0001.110721T1600Z-110721T2300Z/
NIAGARA-ORLEANS-MONROE-WAYNE-NORTHERN CAYUGA-OSWEGO-LIVINGSTON-
ONTARIO-
INCLUDING THE CITIES OF...NIAGARA FALLS...MEDINA...ROCHESTER...
NEWARK...FAIR HAVEN...OSWEGO...GENESEO...CANANDAIGUA
317 PM EDT WED JUL 20 2011

...EXCESSIVE HEAT WARNING IN EFFECT FROM NOON TO 7 PM EDT
THURSDAY...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED AN EXCESSIVE
HEAT WARNING...WHICH IS IN EFFECT FROM NOON TO 7 PM EDT THURSDAY.
THIS UPGRADES THE EXCESSIVE HEAT WATCH WHICH WAS PREVIOUSLY IN
EFFECT.

* LOCATIONS...PORTIONS OF THE NIAGARA FRONTIER...GENESEE VALLEY...
  FINGER LAKES AND CENTRAL NEW YORK.

* TIMING...MIDDAY THURSDAY THROUGH EARLY THURSDAY EVENING.

* TEMPERATURES...HIGHS IN THE MID TO UPPER 90S ALONG WITH
  OPPRESSIVE HUMIDITY.

* HEAT INDEX VALUES...AROUND 105.

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 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.

&&

$$

NYZ010>012-019>021-085-210330-
/O.UPG.KBUF.EH.A.0001.110721T1500Z-110721T2200Z/
/O.NEW.KBUF.HT.Y.0001.110721T1600Z-110721T2300Z/
NORTHERN ERIE-GENESEE-WYOMING-CHAUTAUQUA-CATTARAUGUS-ALLEGANY-
SOUTHERN ERIE-
INCLUDING THE CITIES OF...BUFFALO...BATAVIA...WARSAW...
JAMESTOWN...OLEAN...WELLSVILLE...ORCHARD PARK...SPRINGVILLE
317 PM EDT WED JUL 20 2011

...HEAT ADVISORY IN EFFECT FROM NOON TO 7 PM EDT THURSDAY...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A HEAT
ADVISORY...WHICH IS IN EFFECT FROM NOON TO 7 PM EDT THURSDAY. THIS
REPLACES THE EXCESSIVE HEAT WATCH WHICH WAS PREVIOUSLY IN EFFECT.

* LOCATIONS...PORTIONS OF THE NIAGARA FRONTIER AND WESTERN
  SOUTHERN TIER.

* TIMING...MIDDAY THURSDAY THROUGH EARLY THURSDAY EVENING.

* TEMPERATURES...LOW TO MID 90S WITH OPPRESSIVE HUMIDITY...EXCEPT
  UPPER 80S ALONG THE LAKE ERIE SHORE.

* HEAT INDEX VALUES...AROUND 100...EXCEPT LOW TO MID 90S NEAR
  LAKE ERIE.

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.

&&

$$

NYZ007-008-210330-
/O.UPG.KBUF.EH.A.0001.110721T1500Z-110721T2200Z/
/O.NEW.KBUF.HT.Y.0001.110721T1600Z-110721T2300Z/
JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...WATERTOWN...LOWVILLE
317 PM EDT WED JUL 20 2011

...HEAT ADVISORY IN EFFECT FROM NOON TO 7 PM EDT THURSDAY...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A HEAT
ADVISORY...WHICH IS IN EFFECT FROM NOON TO 7 PM EDT THURSDAY. THIS
REPLACES THE EXCESSIVE HEAT WATCH WHICH WAS PREVIOUSLY IN EFFECT.

* LOCATIONS...EASTERN LAKE ONTARIO REGION.

* TIMING...MIDDAY THURSDAY THROUGH EARLY THURSDAY EVENING.
 
* TEMPERATURES...LOW TO MID 90S WITH OPPRESSIVE HUMIDITY...EXCEPT
  UPPER 80S NEAR LAKE ONTARIO.

* HEAT INDEX VALUES...AROUND 100...EXCEPT LOW TO MID 90S NEAR LAKE
  ONTARIO.

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/THOMAS
5 follow-up statements
282 
WWUS71 KBUF 210120
NPWBUF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
920 PM EDT WED JUL 20 2011

NYZ001>006-013-014-211000-
/O.CON.KBUF.EH.W.0001.110721T1600Z-110721T2300Z/
NIAGARA-ORLEANS-MONROE-WAYNE-NORTHERN CAYUGA-OSWEGO-LIVINGSTON-
ONTARIO-
INCLUDING THE CITIES OF...NIAGARA FALLS...MEDINA...ROCHESTER...
NEWARK...FAIR HAVEN...OSWEGO...GENESEO...CANANDAIGUA
920 PM EDT WED JUL 20 2011

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM NOON TO 7 PM EDT
THURSDAY...

AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM NOON TO 7 PM EDT
THURSDAY. 

* LOCATIONS...PORTIONS OF THE NIAGARA FRONTIER...GENESEE 
  VALLEY... FINGER LAKES AND CENTRAL NEW YORK. 

* TIMING...MIDDAY THURSDAY THROUGH EARLY THURSDAY EVENING.

* TEMPERATURES...HIGHS IN THE MID TO UPPER 90S ALONG WITH 
  OPPRESSIVE HUMIDITY. 

* HEAT INDEX VALUES...AROUND 105.

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 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.

&&

$$

NYZ010>012-019>021-085-211000-
/O.CON.KBUF.HT.Y.0001.110721T1600Z-110721T2300Z/
NORTHERN ERIE-GENESEE-WYOMING-CHAUTAUQUA-CATTARAUGUS-ALLEGANY-
SOUTHERN ERIE-
INCLUDING THE CITIES OF...BUFFALO...BATAVIA...WARSAW...
JAMESTOWN...OLEAN...WELLSVILLE...ORCHARD PARK...SPRINGVILLE
920 PM EDT WED JUL 20 2011

...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TO 7 PM EDT
THURSDAY...

A HEAT ADVISORY REMAINS IN EFFECT FROM NOON TO 7 PM EDT THURSDAY.

* LOCATIONS...PORTIONS OF THE NIAGARA FRONTIER AND WESTERN 
  SOUTHERN TIER. 

* TIMING...MIDDAY THURSDAY THROUGH EARLY THURSDAY EVENING.

* TEMPERATURES...LOW TO MID 90S WITH OPPRESSIVE HUMIDITY...
  EXCEPT UPPER 80S ALONG THE LAKE ERIE SHORE. 

* HEAT INDEX VALUES...AROUND 100...EXCEPT LOW TO MID 90S NEAR 
  LAKE ERIE. 

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.

&&

$$

NYZ007-008-211000-
/O.CON.KBUF.HT.Y.0001.110721T1600Z-110721T2300Z/
JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...WATERTOWN...LOWVILLE
920 PM EDT WED JUL 20 2011

...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TO 7 PM EDT
THURSDAY...

A HEAT ADVISORY REMAINS IN EFFECT FROM NOON TO 7 PM EDT THURSDAY.

* LOCATIONS...EASTERN LAKE ONTARIO REGION.

* TIMING...MIDDAY THURSDAY THROUGH EARLY THURSDAY EVENING.

* TEMPERATURES...LOW TO MID 90S WITH OPPRESSIVE HUMIDITY...
  EXCEPT UPPER 80S NEAR LAKE ONTARIO. 

* HEAT INDEX VALUES...AROUND 100...EXCEPT LOW TO MID 90S NEAR 
  LAKE ONTARIO. 

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.

&&

$$

APFFEL
153 
WWUS71 KBUF 210705
NPWBUF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
305 AM EDT THU JUL 21 2011

NYZ011-211515-
/O.UPG.KBUF.HT.Y.0001.110721T1600Z-110721T2300Z/
/O.EXA.KBUF.EH.W.0001.110721T1600Z-110721T2300Z/
GENESEE-
INCLUDING THE CITY OF...BATAVIA
305 AM EDT THU JUL 21 2011

...EXCESSIVE HEAT WARNING IN EFFECT FROM NOON TODAY TO 7 PM EDT
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED AN EXCESSIVE
HEAT WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 7 PM EDT
THIS EVENING. THE HEAT ADVISORY IS NO LONGER IN EFFECT. 

* LOCATIONS...GENESEE COUNTY.

* TIMING...MIDDAY THROUGH EARLY THIS EVENING.

* TEMPERATURES...IN THE MID 90S.

* HEAT INDEX VALUES...AS HIGH AS 105.

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 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>006-013-014-211515-
/O.CON.KBUF.EH.W.0001.110721T1600Z-110721T2300Z/
NIAGARA-ORLEANS-MONROE-WAYNE-NORTHERN CAYUGA-OSWEGO-LIVINGSTON-
ONTARIO-
INCLUDING THE CITIES OF...NIAGARA FALLS...MEDINA...ROCHESTER...
NEWARK...FAIR HAVEN...OSWEGO...GENESEO...CANANDAIGUA
305 AM EDT THU JUL 21 2011

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM NOON TODAY TO
7 PM EDT THIS EVENING...

AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM NOON TODAY TO
7 PM EDT THIS EVENING. 

* LOCATIONS...PORTIONS OF THE NIAGARA FRONTIER...GENESEE 
  VALLEY... FINGER LAKES AND CENTRAL NEW YORK. 

* TIMING...MIDDAY THROUGH EARLY THIS EVENING.

* TEMPERATURES...RANGING FROM THE MID 90S TO AROUND 100.

* HEAT INDEX VALUES...105 TO 110.

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 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.

&&

$$

NYZ010-012-019>021-085-211515-
/O.CON.KBUF.HT.Y.0001.110721T1600Z-110721T2300Z/
NORTHERN ERIE-WYOMING-CHAUTAUQUA-CATTARAUGUS-ALLEGANY-
SOUTHERN ERIE-
INCLUDING THE CITIES OF...BUFFALO...WARSAW...JAMESTOWN...OLEAN...
WELLSVILLE...ORCHARD PARK...SPRINGVILLE
305 AM EDT THU JUL 21 2011

...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 7 PM EDT
THIS EVENING...

A HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 7 PM EDT
THIS EVENING. 

* LOCATIONS...PORTIONS OF THE NIAGARA FRONTIER AND WESTERN 
  SOUTHERN TIER. 

* TIMING...MIDDAY THROUGH EARLY THIS EVENING.

* TEMPERATURES...IN THE LOWER TO MID 90S.

* HEAT INDEX VALUES...100 TO 104.

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.

&&

$$

NYZ007-008-211515-
/O.CON.KBUF.HT.Y.0001.110721T1600Z-110721T2300Z/
JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...WATERTOWN...LOWVILLE
305 AM EDT THU JUL 21 2011

...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 7 PM EDT
THIS EVENING...

A HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 7 PM EDT
THIS EVENING. 

* LOCATIONS...THE EASTERN LAKE ONTARIO REGION.

* TIMING...MIDDAY THROUGH EARLY THIS EVENING.

* TEMPERATURES...IN THE LOWER 90S.

* HEAT INDEX VALUES...AS HIGH AS 100 TO 104.

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.

&&

$$

JJR
714 
WWUS71 KBUF 211349
NPWBUF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
949 AM EDT THU JUL 21 2011

NYZ001>006-011-013-014-212200-
/O.CON.KBUF.EH.W.0001.110721T1600Z-110721T2300Z/
NIAGARA-ORLEANS-MONROE-WAYNE-NORTHERN CAYUGA-OSWEGO-GENESEE-
LIVINGSTON-ONTARIO-
INCLUDING THE CITIES OF...NIAGARA FALLS...MEDINA...ROCHESTER...
NEWARK...FAIR HAVEN...OSWEGO...BATAVIA...GENESEO...CANANDAIGUA
949 AM EDT THU JUL 21 2011

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM EDT THIS
EVENING...

AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM EDT THIS
EVENING. 

* LOCATIONS...PORTIONS OF THE NIAGARA FRONTIER...GENESEE 
  VALLEY... FINGER LAKES AND CENTRAL NEW YORK. 

* TIMING...THROUGH EARLY THIS EVENING.

* TEMPERATURES...RANGING FROM THE MID 90S TO AROUND 100.

* HEAT INDEX VALUES...105 TO 110.

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 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.

&&

$$

NYZ010-012-019>021-085-212200-
/O.CON.KBUF.HT.Y.0001.110721T1600Z-110721T2300Z/
NORTHERN ERIE-WYOMING-CHAUTAUQUA-CATTARAUGUS-ALLEGANY-
SOUTHERN ERIE-
INCLUDING THE CITIES OF...BUFFALO...WARSAW...JAMESTOWN...OLEAN...
WELLSVILLE...ORCHARD PARK...SPRINGVILLE
949 AM EDT THU JUL 21 2011

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING...

A HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING. 

* LOCATIONS...PORTIONS OF THE NIAGARA FRONTIER AND WESTERN 
  SOUTHERN TIER. 

* TIMING...THROUGH EARLY THIS EVENING.

* TEMPERATURES...IN THE LOWER TO MID 90S.

* HEAT INDEX VALUES...100 TO 104 EXCEPT LOW TO MID 90S NEAR LAKE
  ERIE.

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.

&&

$$

NYZ007-008-212200-
/O.CON.KBUF.HT.Y.0001.110721T1600Z-110721T2300Z/
JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...WATERTOWN...LOWVILLE
949 AM EDT THU JUL 21 2011

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING...

A HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING. 

* LOCATIONS...THE EASTERN LAKE ONTARIO REGION.

* TIMING...THROUGH EARLY THIS EVENING.

* TEMPERATURES...IN THE LOWER 90S.

* HEAT INDEX VALUES...AROUND 100.

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.

&&

$$

THOMAS
872 
WWUS71 KBUF 212102
NPWBUF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
502 PM EDT THU JUL 21 2011

NYZ001>006-011-013-014-212300-
/O.CON.KBUF.EH.W.0001.000000T0000Z-110721T2300Z/
NIAGARA-ORLEANS-MONROE-WAYNE-NORTHERN CAYUGA-OSWEGO-GENESEE-
LIVINGSTON-ONTARIO-
INCLUDING THE CITIES OF...NIAGARA FALLS...MEDINA...ROCHESTER...
NEWARK...FAIR HAVEN...OSWEGO...BATAVIA...GENESEO...CANANDAIGUA
502 PM EDT THU JUL 21 2011

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM EDT THIS
EVENING...

AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM EDT THIS
EVENING. 

* LOCATIONS...PORTIONS OF THE NIAGARA FRONTIER...GENESEE 
  VALLEY... FINGER LAKES AND CENTRAL NEW YORK. 

* TIMING...THROUGH EARLY THIS EVENING.

* TEMPERATURES...RANGING FROM THE MID 90S TO AROUND 100.

* HEAT INDEX VALUES...105 TO 110.

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 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.

&&

$$

NYZ010-012-019>021-085-212300-
/O.CON.KBUF.HT.Y.0001.000000T0000Z-110721T2300Z/
NORTHERN ERIE-WYOMING-CHAUTAUQUA-CATTARAUGUS-ALLEGANY-
SOUTHERN ERIE-
INCLUDING THE CITIES OF...BUFFALO...WARSAW...JAMESTOWN...OLEAN...
WELLSVILLE...ORCHARD PARK...SPRINGVILLE
502 PM EDT THU JUL 21 2011

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING...

A HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING. 

* LOCATIONS...PORTIONS OF THE NIAGARA FRONTIER AND WESTERN 
  SOUTHERN TIER. 

* TIMING...THROUGH EARLY THIS EVENING.

* TEMPERATURES...IN THE LOWER TO MID 90S.

* HEAT INDEX VALUES...100 TO 104 EXCEPT LOW TO MID 90S NEAR LAKE 
  ERIE. 

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.

&&

$$

NYZ007-008-212300-
/O.CON.KBUF.HT.Y.0001.000000T0000Z-110721T2300Z/
JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...WATERTOWN...LOWVILLE
502 PM EDT THU JUL 21 2011

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING...

A HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING. 

* LOCATIONS...THE EASTERN LAKE ONTARIO REGION.

* TIMING...THROUGH EARLY THIS EVENING.

* TEMPERATURES...IN THE LOWER 90S.

* HEAT INDEX VALUES...100 TO 104.

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.

&&

$$

APFFEL
844 
WWUS71 KBUF 212256
NPWBUF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
656 PM EDT THU JUL 21 2011

NYZ001>006-011-013-014-220000-
/O.CAN.KBUF.EH.W.0001.000000T0000Z-110721T2300Z/
NIAGARA-ORLEANS-MONROE-WAYNE-NORTHERN CAYUGA-OSWEGO-GENESEE-
LIVINGSTON-ONTARIO-
INCLUDING THE CITIES OF...NIAGARA FALLS...MEDINA...ROCHESTER...
NEWARK...FAIR HAVEN...OSWEGO...BATAVIA...GENESEO...CANANDAIGUA
656 PM EDT THU JUL 21 2011

...EXCESSIVE HEAT WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS CANCELLED THE
EXCESSIVE HEAT WARNING. 

TEMPERATURES WILL CONTINUE TO SLOWLY DROP THROUGH THE EVENING
HOURS. HOWEVER...IT WILL CONTINUE TO BE HUMID THIS EVENING...WITH
TEMPERATURES STILL IN THE LOWER 90S. HEAT INDEX VALUES WILL STILL BE
JUST SHY OF 100 THROUGH SUNSET.

$$

NYZ007-008-010-012-019>021-085-220000-
/O.CAN.KBUF.HT.Y.0001.000000T0000Z-110721T2300Z/
JEFFERSON-LEWIS-NORTHERN ERIE-WYOMING-CHAUTAUQUA-CATTARAUGUS-
ALLEGANY-SOUTHERN ERIE-
INCLUDING THE CITIES OF...WATERTOWN...LOWVILLE...BUFFALO...
WARSAW...JAMESTOWN...OLEAN...WELLSVILLE...ORCHARD PARK...
SPRINGVILLE
656 PM EDT THU JUL 21 2011

...HEAT ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS CANCELLED THE HEAT
ADVISORY. 

TEMPERATURES WILL CONTINUE TO SLOWLY DROP THROUGH THE EVENING
HOURS. HOWEVER...IT WILL CONTINUE TO BE HUMID THIS EVENING...WITH
TEMPERATURES STILL RANGING FROM THE MID 80S TO LOWER 90S. HEAT
INDEX VALUES WILL STILL BE IN THE MID TO UPPER 90S THROUGH SUNSET.

$$

APFFEL

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 Jul 20, 2:47 PM EDT, 30 minutes earlier.

Area forecast discussion, Jul 20, 2:47 PM EDT, 30 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BUFFALO NY
247 PM EDT WED JUL 20 2011

.SYNOPSIS...
A SULTRY MIDSUMMER AIRMASS OVER THE PLAINS STATES WILL PUSH INTO THE
LOWER GREAT LAKES TODAY AND THURSDAY...WITH TEMPERATURES PEAKING
ON THURSDAY WHEN WIDESPREAD HIGHS WELL INTO THE 90S ARE EXPECTED.
THE COMBINATION OF THE HEAT AND HUMIDITY WILL RESULT IN HEAT INDEX
VALUES EXCEEDING 100 OVER A LARGE PORTION OF THE AREA THURSDAY. A
DYING COOL FRONT WILL THEN CROSS THE REGION THURSDAY NIGHT AND BRING
AN OUTSIDE CHANCE FOR A FEW SHOWERS AND THUNDERSTORMS...FOLLOWED BY
SLIGHTLY COOLER TEMPERATURES ON FRIDAY.

&&

.NEAR TERM /THROUGH TONIGHT/...
AT 15Z HIGH PRESSURE CONTINUES TO BUILD ACROSS THE ATLANTIC
COASTLINE...JUST SOUTH OF NEW ENGLAND. ANOTHER DAY FILLED WITH
SUNSHINE AND WARMER AS WINDS CONTINUE FROM THE SOUTHWEST THROUGH THE
DAY.

COUPLED WITH PLENTIFUL SUNSHINE...850S RISING TO 20C TO 22C ALOFT
WILL TRANSLATE INTO HIGHS REACHING INTO THE LOWER TO MID 90S AWAY
FROM ANY LAKE INFLUENCES TODAY...WHILE THE IMMEDIATE
BUFFALO/WATERTOWN AREAS REMAIN A LITTLE COOLER DUE TO THE
PREVAILING SOUTHWESTERLY FLOW OFF LAKES ERIE AND ONTARIO. SURFACE
DEWPOINTS WILL GENERALLY BE IN THE MID TO UPPER 60S...RESULTING IN
HEAT INDEX VALUES RANGING THROUGH THE 90S...OR A LITTLE BELOW HEAT
ADVISORY CRITERIA.

TONIGHT...THE COMBINATION OF A GRADUALLY STRENGTHENING SOUTH TO
SOUTHWEST LOW LEVEL FLOW AND SLOWLY RISING DEWPOINTS WILL RESULT IN
SULTRY NIGHTTIME LOWS IN THE LOWER 70S ACROSS THE BULK OF THE
AREA...WITH THE BUFFALO AREA AND IMMEDIATE LAKE ERIE SHORELINE
LIKELY NOT FALLING BELOW THE MID 70S.

PRECIPITATION-WISE...THIS PERIOD SHOULD REMAIN LARGELY DRY AS OUR
AREA SHOULD BECOME INCREASINGLY CAPPED UNDER THE BUILDING UPPER
RIDGE. NORTH OF THE RIDGE...ANOTHER MCS-TYPE SYSTEM SHOULD DEVELOP
ACROSS CENTRAL ONTARIO AND TRACK EAST INTO QUEBEC...POSSIBLY
BRUSHING THE SAINT LAWRENCE VALLEY LATER TONIGHT. WILL LEAVE SOME
SLIGHT CHANCE POPS IN PLACE TO COVER THIS POSSIBILITY...WITH A DRY
FORECAST INDICATED OTHERWISE.

&&

.SHORT TERM /THURSDAY THROUGH SATURDAY NIGHT/...
THE UPPER LEVEL RIDGE LOOKS TO FLATTEN SLIGHTLY DURING THE PERIOD
WITH A WEAK SURFACE BOUNDARY SAGGING DOWN ACROSS THE AREA THURSDAY
NIGHT...EVENTUALLY DISSIPATING. LIMITED FORCING AND MOISTURE WITH
THIS BOUNDARY WILL ONLY SUPPORT MINIMAL PROBABILITIES FOR ANY
CONVECTION. A BUBBLE OF HIGH PRESSURE WILL BUILD ACROSS THE
LOWER LAKES FRIDAY AND SATURDAY. THE HEAT AND HUMIDITY PATTERN
WILL ERODE ONLY SLIGHTLY WITH BOTH DAYS STILL EXPERIENCING VERY
WARM TEMPERATURES AND PLENTY OF HUMIDITY. 850 MB TEMPERATURES STILL
BE CLOSE TO 20C BOTH DAYS...THEREFORE HIGHS GENERALLY NEAR 90F. A
WEAKER SOUTHWEST FLOW COULD RESULT IN THE IMMEDIATE BUFFALO AND
WATERTOWN AREAS POSSIBLY HOTTER THAN THURSDAY. WITH HUMIDITY
LEVELS STILL RATHER HIGH AND THE POTENTIAL FOR LAKE BREEZE
CONVERGENCE BOUNDARIES WOULD NOT RULE OF SOME ISOLATED DIURNALLY
DRIVEN CONVECTION BOTH DAYS...BUT CHANCES LOOK VERY LIMITED. CHANCES
FOR CONVECTION SHOULD INCREASE SUNDAY AHEAD OF APPROACHING COLD
FRONT.

&&

.LONG TERM /SUNDAY THROUGH WEDNESDAY/...
LATEST EXTENDED GUIDANCE CONTINUING TO SUGGEST WE WILL SEE THE
PASSAGE OF A SIGNIFICANT COLD FRONT IN THE SUNDAY NIGHT/MONDAY
MORNING TIME FRAME. THIS FRONT WILL FINALLY BREAK THE HEAT AND
HUMIDITY PATTERN IN PLACE ACROSS THE REGION. 12Z GFS SHOWING A
BETTER DEFINED SURFACE WAVE CROSSING ONTARIO/QUEBEC PROVIDING MORE
FORCING ALONG THE FRONTAL BOUNDARY RESULTING IN A BETTER CHANCE
FOR MORE ROBUST WIDESPREAD CONVECTION ALONG THE FRONT...WHILE THE
WEAKER 00Z ECMWF NOT SHOWING AS MUCH CONVECTION...BUT THERE
SHOULD BE AT LEAST SCATTERED CONVECTION WITH THE FRONT
NONETHELESS.

CANADIAN HIGH PRESSURE WILL BUILD DOWN BEHIND THE FRONT...BRINGING
TEMPERATURES TO MORE SEASONABLE LEVELS WITH MORE COMFORTABLE
HUMIDITY LEVELS FOR TUESDAY AND WEDNESDAY...ALONG WITH PLENTY OF
SUNSHINE.

&&

.AVIATION /19Z WEDNESDAY THROUGH MONDAY/...
AT 18Z VFR FLIGHT CONDITIONS WERE FOUND ACROSS THE REGION AS HIGH
PRESSURE BUILDS TOWARDS THE ATLANTIC COASTLINE THROUGH THE
AFTERNOON. WINDS DOWNWIND OF THE LAKES WILL LIGHTLY GUST THROUGH THE
AFTERNOON APPROACHING 20 KNOTS. TONIGHT DEWPOINTS WILL REMAIN HIGH
THOUGH WINDS SHOULD BE STRONG ENOUGH TO PREVENT MUCH FOG
FORMATION...SAVE FOR SOME HAZY CONDITIONS THAT MIGHT DROP VSBYS INTO
MVFR OCCASIONAL OVERNIGHT. AN MCS NORTH OF THE NORTH COUNTRY WILL
LIKELY BRING SOME HIGH CLOUD COVER LATE TONIGHT...THOUGH ANY STORMS
SHOULD REMAIN WELL TO THE NORTH OF THE REGION. TOMORROW WINDS WILL
INCREASE IN SPEED...WITH GUST NEAR 30 KNOTS DOWNWIND OF BOTH LAKE
ERIE AND ONTARIO ON A SOUTHWEST FLOW.

OUTLOOK...
THURSDAY NIGHT...MAINLY VFR WITH A CHANCE OF SHRA/TSRA.
FRIDAY AND SATURDAY...VFR.
SUNDAY AND MONDAY...VFR/MVFR WITH A CHANCE OF SHRA/TSRA.

&&

.MARINE...
LIGHT TO MODEST SOUTHWESTERLIES WILL BE FOUND ACROSS THE LOWER GREAT
LAKES THROUGH THIS EVENING...WITH WAVES AVERAGING LESS THAN 2 FEET.
LATER TONIGHT AND THURSDAY...A TIGHTENING PRESSURE GRADIENT WILL
CAUSE THESE SOUTHWESTERLIES TO FRESHEN...AND EVENTUALLY REACH INTO
THE ADVISORY RANGE ON THURSDAY.

&&

.CLIMATE...
THE BEAT GOES ON DURING THIS WARM AND DRY SUMMER OF 2011. MOST OF
WESTERN NY HAS RECEIVED LITTLE OR NO RAIN THIS MONTH AND LESS THAN
HALF THE NORMAL SINCE JUNE 1. TOPSOILS ARE PARCHED. SUNSHINE HAS
BEEN CONSTANT...89 PERCENT AT BUF THE FIRST 19 DAYS OF JULY...AND
TEMPS HAVE AVERAGED OVER 3 DEG ABOVE NORMAL. EVERY DAY HAS REACHED
AT LEAST 80 BUT ONE. OUR REGION HAS BEEN PLACED IN THE "D0"
DESIGNATION FOR EXCESSIVE DRYNESS.

AS FOR TEMPS...BUFFALO'S MINIMUM TEMP OF 75 ON JULY 19 SET A NEW
RECORD FOR THE DATE (BEATING 74/1977). IT WAS THE WARMEST DAILY
MINIMUM IN OVER 4 YEARS (SINCE 75 ON 7/9/07).

AND SOME RECORDS MAY BE IN JEOPARDY THE NEXT FEW DAYS. HERE ARE
THE RECORD MAXES FOR OUR 3 CLIMO SITES FOR THE WED-FRI PERIOD...

WED 7/20...BUF 91 (1994)...ROC 99 (1894)...ART 93 (1978)
THU 7/21...BUF 93 (1953)...ROC 97 (1994)...ART 94 (1994)
FRI 7/22...BUF 94 (1953)...ROC 97 (1955)...ART 94 (1955)

IN ADDITION...HERE ARE LAST DATES THAT MAX TEMP HAVE BEEN REACHED...

ROCHESTER...95...9/7/07
            98...7/6/93
           100...6/21/53
(ROCHESTER HAS REACHED 100 6 TIMES..3 IN 1936..2 IN 1911..1 IN 1953)

BUFFALO.....95...6/27/05.

&&

.BUF WATCHES/WARNINGS/ADVISORIES...
NY...EXCESSIVE HEAT WATCH FROM THURSDAY MORNING THROUGH THURSDAY
     AFTERNOON FOR NYZ001>008-010>014-019>021-085.
MARINE...NONE.

&&

SYNOPSIS...JJR
NEAR TERM...JJR/THOMAS
SHORT TERM...TMA
LONG TERM...TMA
AVIATION...THOMAS
MARINE...JJR/SFM
CLIMATE...SFM
Hazardous weather outlook, Jul 20, 5:11 AM EDT, 10 hours 6 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BUFFALO NY
511 AM EDT WED JUL 20 2011

NYZ001>008-010>014-019>021-085-210915-
NIAGARA-ORLEANS-MONROE-WAYNE-NORTHERN CAYUGA-OSWEGO-JEFFERSON-LEWIS-
NORTHERN ERIE-GENESEE-WYOMING-LIVINGSTON-ONTARIO-CHAUTAUQUA-
CATTARAUGUS-ALLEGANY-SOUTHERN ERIE-
511 AM EDT WED JUL 20 2011

...EXCESSIVE HEAT WATCH IN EFFECT FROM THURSDAY MORNING THROUGH
THURSDAY AFTERNOON...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND NORTH CENTRAL NEW
YORK.

.DAY ONE...TODAY AND TONIGHT.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   EXCESSIVE HEAT WATCH.

OPPRESSIVE HEAT AND HUMIDITY IS EXPECTED THURSDAY AND
FRIDAY. AFTERNOON HEAT INDEX VALUES WILL LIKELY EXCEED 100
DEGREES...ESPECIALLY AWAY FROM THE IMMEDIATE LAKESHORES.

.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-LOZ030-042>045-062>065-SLZ022-024-210915-
UPPER NIAGARA RIVER AND BUFFALO HARBOR-
LAKE ERIE NEARSHORE WATERS FROM RIPLEY TO DUNKIRK-
LAKE ERIE NEARSHORE WATERS FROM DUNKIRK TO BUFFALO-
LOWER NIAGARA RIVER-
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-
511 AM EDT WED JUL 20 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF LAKE ERIE...LAKE
ONTARIO AND SAINT LAWRENCE RIVER.

.DAY ONE...TODAY AND TONIGHT.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

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

SFM

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 20, 3:35 AM EDTExcessive Heat WatchBUFAllegany, Cattaraugus, Cayuga, Chautauqua, Erie, Genesee and 10 more12 hr
Jul 20, 3:17 PM EDTExcessive Heat WarningBUFCayuga, Genesee, Livingston, Monroe, Niagara, Ontario and 3 more28 hr
Jul 20, 3:38 PM EDTSmall Craft AdvisoryBUF30 hr

Nearby

Heat Advisories in New York, 2011Every heat advisory in 2011

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.