Alert archive / New York / Heat Advisories in 2021
Heat Advisory 6, NWS Buffalo, NY
NWS Buffalo, NY issued this heat advisory at Aug 11, 2021, 10:15 PM EDT for 12 counties in New York. It took effect at Aug 12, 2021, 11:00 AM EDT. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Aug 11, 2021, 10:15 PM EDT (02:15 UTC)
- In effect from
- Aug 12, 2021, 11:00 AM EDT
- Expired
- Aug 12, 2021, 6:52 PM EDT
- In force
- 8 hr
- Issued by
- NWS Buffalo, NY
Counties Cayuga County, NY, Erie County, NY, Genesee County, NY, Jefferson 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), 98 km from the middle of the area, began a volume at 02:18 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, 2.3 hours before the alert went out and 95 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.
- Mixed-layer CAPE
- 186 J/kg
- Mixed-layer CIN
- -148 J/kg
- Mixed-layer LCL
- 1519 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 115 m²/s²
- 0-3 km storm-relative helicity
- 178 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.3
The text
As transmitted.
416 WWUS71 KBUF 120215 NPWBUF URGENT - WEATHER MESSAGE National Weather Service Buffalo NY 1015 PM EDT Wed Aug 11 2021 NYZ001>007-010>014-085-121015- /O.NEW.KBUF.HT.Y.0006.210812T1500Z-210813T0000Z/ Niagara-Orleans-Monroe-Wayne-Northern Cayuga-Oswego-Jefferson- Northern Erie-Genesee-Wyoming-Livingston-Ontario-Southern Erie- Including the cities of Niagara Falls, Medina, Rochester, Newark, Fair Haven, Oswego, Watertown, Buffalo, Batavia, Warsaw, Geneseo, Canandaigua, Orchard Park, and Springville 1015 PM EDT Wed Aug 11 2021 ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY... * WHAT...Heat index values in the mid 90s to as high as 100 expected. * WHERE...Niagara, Orleans, Monroe, Wayne, Northern Cayuga, Oswego, Jefferson, Erie, Genesee, Wyoming, Livingston, and Ontario counties. * WHEN...From 11 AM to 8 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses to occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. 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 lightweight and loose fitting clothing when possible. 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. && $$
3 follow-up statements
571 WWUS71 KBUF 120900 NPWBUF URGENT - WEATHER MESSAGE National Weather Service Buffalo NY 500 AM EDT Thu Aug 12 2021 NYZ001>007-010>014-085-121700- /O.CON.KBUF.HT.Y.0006.210812T1500Z-210813T0000Z/ Niagara-Orleans-Monroe-Wayne-Northern Cayuga-Oswego-Jefferson- Northern Erie-Genesee-Wyoming-Livingston-Ontario-Southern Erie- Including the cities of Niagara Falls, Medina, Rochester, Newark, Fair Haven, Oswego, Watertown, Buffalo, Batavia, Warsaw, Geneseo, Canandaigua, Orchard Park, and Springville 500 AM EDT Thu Aug 12 2021 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS EVENING... * WHAT...Heat index values of 95 to as high as 100 expected. * WHERE...Niagara, Orleans, Monroe, Wayne, Northern Cayuga, Oswego, Jefferson, Erie, Genesee, Wyoming, Livingston, and Ontario counties. * WHEN...From 11 AM this morning to 8 PM EDT this evening. * IMPACTS...Temperatures near 90 and high humidity may cause heat illnesses to occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$
401 WWUS71 KBUF 121442 NPWBUF URGENT - WEATHER MESSAGE National Weather Service Buffalo NY 1042 AM EDT Thu Aug 12 2021 NYZ001>007-010>014-085-130000- /O.CON.KBUF.HT.Y.0006.210812T1500Z-210813T0000Z/ Niagara-Orleans-Monroe-Wayne-Northern Cayuga-Oswego-Jefferson- Northern Erie-Genesee-Wyoming-Livingston-Ontario-Southern Erie- Including the cities of Niagara Falls, Medina, Rochester, Newark, Fair Haven, Oswego, Watertown, Buffalo, Batavia, Warsaw, Geneseo, Canandaigua, Orchard Park, and Springville 1042 AM EDT Thu Aug 12 2021 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Heat index values in the mid to upper 90s expected. * WHERE...Niagara, Orleans, Monroe, Wayne, Northern Cayuga, Oswego, Jefferson, Erie, Genesee, Wyoming, Livingston, and Ontario counties. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses to occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. 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 lightweight and loose fitting clothing when possible. 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. && $$ Apffel
629 WWUS71 KBUF 122252 NPWBUF URGENT - WEATHER MESSAGE National Weather Service Buffalo NY 652 PM EDT Thu Aug 12 2021 NYZ001>007-010>014-085-130000- /O.CAN.KBUF.HT.Y.0006.000000T0000Z-210813T0000Z/ Niagara-Orleans-Monroe-Wayne-Northern Cayuga-Oswego-Jefferson- Northern Erie-Genesee-Wyoming-Livingston-Ontario-Southern Erie- Including the cities of Niagara Falls, Medina, Rochester, Newark, Fair Haven, Oswego, Watertown, Buffalo, Batavia, Warsaw, Geneseo, Canandaigua, Orchard Park, and Springville 652 PM EDT Thu Aug 12 2021 ...HEAT ADVISORY IS CANCELLED... $$
The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 11, 10:12 PM EDT | Small Craft Advisory | BUF | 16 hr | |
| Aug 12, 8:01 AM EDT | Special Weather Statement | BUF | Chautauqua | 74 min |
Nearby
Heat Advisories in New York, 2021Every heat advisory in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.