Alert archive / California / Heat Advisories in 2021
Heat Advisory 2, NWS San Francisco Bay Area, CA
NWS San Francisco Bay Area, CA issued this heat advisory at Jun 14, 2021, 1:17 PM PDT for 10 counties in California. It took effect at Jun 16, 2021, 11:00 AM PDT. It was in force for 58 hr.
The area
The counties it named.
The facts
- Issued
- Jun 14, 2021, 1:17 PM PDT (20:17 UTC)
- In effect from
- Jun 16, 2021, 11:00 AM PDT
- Expired
- Jun 18, 2021, 9:00 PM PDT
- In force
- 58 hr
- Issued by
- NWS San Francisco Bay Area, CA
Counties Alameda County, CA, Contra Costa County, CA, Marin County, CA, Monterey County, CA, Napa County, CA, San Benito County, CA, San Mateo County, CA, Santa Clara County, CA, Santa Cruz County, CA, Sonoma County, CA
The radar
The San Francisco radar (KMUX), 42 km from the middle of the area, began a volume at 20:19 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
Oakland, CA (KOAK), launched 12:00Z, 8.3 hours before the alert went out and 28 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
- 1 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 483 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- -41 m²/s²
- 0-3 km storm-relative helicity
- 51 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
652 WWUS76 KMTR 142017 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco Bay Area 117 PM PDT Mon Jun 14 2021 High pressure over the Four Corners builds westward over Southern California bringing hot temperatures to the Bay Area. Temperatures begin to increase on Tuesday with the hottest day of the week forecast to be on Thursday. Temperatures will slowly diminish into the weekend, but remain warm and dry. CAZ507-510-511-516>518-150400- /O.NEW.KMTR.EH.W.0001.210617T1800Z-210618T2000Z/ /O.NEW.KMTR.HT.Y.0002.210616T1800Z-210617T1800Z/ North Bay Mountains-East Bay Interior Valleys- East Bay Hills and the Diablo Range- Southern Salinas Valley/Arroyo Seco and Lake San Antonio- Santa Lucia Mountains and Los Padres National Forest- Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park- Including the cities of Angwin, Lagunitas-Forest Knolls, Woodacre, Concord, Antioch, Livermore, Walnut Creek, Pleasanton, Pittsburg, San Ramon, Blackhawk, Greenfield, and King City 117 PM PDT Mon Jun 14 2021 ...HEAT ADVISORY IN EFFECT FROM 11 AM WEDNESDAY TO 11 AM PDT THURSDAY... ...EXCESSIVE HEAT WARNING IN EFFECT FROM 11 AM THURSDAY TO 1 PM PDT FRIDAY... * WHAT...For the Heat Advisory, temperatures up to 94 to 99 expected. For the Excessive Heat Warning, dangerously hot conditions with temperatures from 98 to 108 expected. * WHERE...North Bay Mountains, East Bay Valleys and Mountains, Santa Lucia Mountains, Los Padres National Forest, Mountains of San Benito County and Interior Monterey County including Pinnacles National Park. * WHEN... For the Heat Advisory, from 11 AM Wednesday to 11 AM PDT Thursday. For the Excessive Heat Warning, from 11 AM Thursday to 1 PM PDT Friday. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. * ADDITIONAL DETAILS...Temperatures will increase on Wednesday, with the hottest day of the week on Thursday. While temperatures reduce on Friday, they will still be hot. 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. && $$ CAZ506-512-513-528-150400- /O.NEW.KMTR.HT.Y.0002.210616T1800Z-210618T2000Z/ North Bay Interior Valleys-Santa Cruz Mountains- Santa Clara Valley Including San Jose- Northern Salinas Valley/Hollister Valley and Carmel Valley- Including the cities of Santa Rosa, South Santa Rosa, Napa, San Rafael, Petaluma, Novato, Rohnert Park, Scotts Valley, Boulder Creek, Day Valley, San Jose, and Salinas 117 PM PDT Mon Jun 14 2021 ...HEAT ADVISORY IN EFFECT FROM 11 AM WEDNESDAY TO 1 PM PDT FRIDAY... * WHAT...Temperatures 92 to 100 expected. * WHERE...North Bay Interior Valleys, Santa Cruz Mountains, Santa Clara Valley Including San Jose and Hollister Valley. * WHEN...From 11 AM Wednesday to 1 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses to occur. * ADDITIONAL DETAILS...Temperatures will increase on Wednesday, with the hottest day of the week on Thursday. While temperatures reduce on Friday, they will still be hot. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ For more information from the National Weather Service visit http://weather.gov/mtr
13 follow-up statements
477 WWUS76 KMTR 150344 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco Bay Area 844 PM PDT Mon Jun 14 2021 CAZ507-510-511-516>518-151200- /O.EXT.KMTR.EH.W.0001.210617T1800Z-210619T0400Z/ /O.CON.KMTR.HT.Y.0002.210616T1800Z-210617T1800Z/ North Bay Mountains-East Bay Interior Valleys- East Bay Hills and the Diablo Range- Southern Salinas Valley/Arroyo Seco and Lake San Antonio- Santa Lucia Mountains and Los Padres National Forest- Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park- Including the cities of Angwin, Lagunitas-Forest Knolls, Woodacre, Concord, Antioch, Livermore, Walnut Creek, Pleasanton, Pittsburg, San Ramon, Blackhawk, Greenfield, and King City 844 PM PDT Mon Jun 14 2021 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM WEDNESDAY TO 11 AM PDT THURSDAY... ...EXCESSIVE HEAT WARNING NOW IN EFFECT FROM 11 AM THURSDAY TO 9 PM PDT FRIDAY... * WHAT...For the Heat Advisory, temperatures up to 94 to 99 expected. For the Excessive Heat Warning, dangerously hot conditions with temperatures from 98 to 108 expected. * WHERE...North Bay Mountains, East Bay Valleys and Mountains, Santa Lucia Mountains, Los Padres National Forest, Mountains of San Benito County and Interior Monterey County including Pinnacles National Park. * WHEN...For the Excessive Heat Warning, from 11 AM Thursday to 9 PM PDT Friday. For the Heat Advisory, from 11 AM Wednesday to 11 AM PDT Thursday. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. * ADDITIONAL DETAILS...Temperatures will increase on Wednesday, with the hottest day of the week on Thursday. While temperatures reduce on Friday, they will still be hot. 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. && $$ CAZ506-512-513-528-151200- /O.EXT.KMTR.HT.Y.0002.210616T1800Z-210619T0400Z/ North Bay Interior Valleys-Santa Cruz Mountains- Santa Clara Valley Including San Jose- Northern Salinas Valley/Hollister Valley and Carmel Valley- Including the cities of Santa Rosa, South Santa Rosa, Napa, San Rafael, Petaluma, Novato, Rohnert Park, Scotts Valley, Boulder Creek, Day Valley, San Jose, and Salinas 844 PM PDT Mon Jun 14 2021 ...HEAT ADVISORY NOW IN EFFECT FROM 11 AM WEDNESDAY TO 9 PM PDT FRIDAY... * WHAT...Temperatures 92 to 100 expected. * WHERE...North Bay Interior Valleys, Santa Cruz Mountains, Santa Clara Valley Including San Jose and Hollister Valley. * WHEN...From 11 AM Wednesday to 9 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses to occur. * ADDITIONAL DETAILS...Temperatures will increase on Wednesday, with the hottest day of the week on Thursday. While temperatures reduce on Friday, they will still be hot. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ For more information from the National Weather Service visit http://weather.gov/mtr
730 WWUS76 KMTR 150947 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco Bay Area 247 AM PDT Tue Jun 15 2021 CAZ507-510-511-516>518-152100- /O.CON.KMTR.EH.W.0001.210617T1800Z-210619T0400Z/ /O.CON.KMTR.HT.Y.0002.210616T1800Z-210617T1800Z/ North Bay Mountains-East Bay Interior Valleys- East Bay Hills and the Diablo Range- Southern Salinas Valley/Arroyo Seco and Lake San Antonio- Santa Lucia Mountains and Los Padres National Forest- Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park- Including the cities of Angwin, Lagunitas-Forest Knolls, Woodacre, Concord, Antioch, Livermore, Walnut Creek, Pleasanton, Pittsburg, San Ramon, Blackhawk, Greenfield, and King City 247 AM PDT Tue Jun 15 2021 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM WEDNESDAY TO 11 AM PDT THURSDAY... ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 11 AM THURSDAY TO 9 PM PDT FRIDAY... * WHAT...For the Heat Advisory, temperatures up to 94 to 102 expected. For the Excessive Heat Warning, dangerously hot conditions with temperatures from 98 to 108 expected. Additionally, overnight temperatures will only cool into the 70s if not lower 80s in the hills, ridges and peaks. * WHERE...North Bay Mountains, East Bay Valleys and Mountains, Santa Lucia Mountains, Los Padres National Forest, Mountains of San Benito County and Interior Monterey County including Pinnacles National Park. * WHEN...For the Excessive Heat Warning, from 11 AM Thursday to 9 PM PDT Friday. For the Heat Advisory, from 11 AM Wednesday to 11 AM PDT Thursday. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. * ADDITIONAL DETAILS...Temperatures will increase on Wednesday, with the hottest day of the week on Thursday. While temperatures reduce on Friday, they will still be hot. 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. && $$ CAZ506-512-513-528-152100- /O.CON.KMTR.HT.Y.0002.210616T1800Z-210619T0400Z/ North Bay Interior Valleys-Santa Cruz Mountains- Santa Clara Valley Including San Jose- Northern Salinas Valley/Hollister Valley and Carmel Valley- Including the cities of Santa Rosa, South Santa Rosa, Napa, San Rafael, Petaluma, Novato, Rohnert Park, Scotts Valley, Boulder Creek, Day Valley, San Jose, and Salinas 247 AM PDT Tue Jun 15 2021 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM WEDNESDAY TO 9 PM PDT FRIDAY... * WHAT...Temperatures 92 to 100 expected. * WHERE...North Bay Interior Valleys, Santa Cruz Mountains, Santa Clara Valley Including San Jose and Hollister Valley. * WHEN...From 11 AM Wednesday to 9 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses to occur. * ADDITIONAL DETAILS...Temperatures will increase on Wednesday, with the hottest day of the week on Thursday. While temperatures reduce on Friday, they will still be hot. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ For more information from the National Weather Service visit http://weather.gov/mtr
774 WWUS76 KMTR 152042 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco Bay Area 142 PM PDT Tue Jun 15 2021 CAZ507-510-511-516>518-160400- /O.CON.KMTR.EH.W.0001.210617T1800Z-210619T0400Z/ /O.CON.KMTR.HT.Y.0002.210616T1800Z-210617T1800Z/ North Bay Mountains-East Bay Interior Valleys- East Bay Hills and the Diablo Range- Southern Salinas Valley/Arroyo Seco and Lake San Antonio- Santa Lucia Mountains and Los Padres National Forest- Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park- Including the cities of Angwin, Lagunitas-Forest Knolls, Woodacre, Concord, Antioch, Livermore, Walnut Creek, Pleasanton, Pittsburg, San Ramon, Blackhawk, Greenfield, and King City 142 PM PDT Tue Jun 15 2021 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM WEDNESDAY TO 11 AM PDT THURSDAY... ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 11 AM THURSDAY TO 9 PM PDT FRIDAY... * WHAT...For the Heat Advisory, temperatures up to 94 to 102 expected. For the Excessive Heat Warning, dangerously hot conditions with temperatures from 98 to 108 expected. Additionally, overnight temperatures will only cool into the 70s if not lower 80s in the hills, ridges and peaks. * WHERE...North Bay Mountains, East Bay Valleys and Mountains, Santa Lucia Mountains, Los Padres National Forest, Mountains of San Benito County and Interior Monterey County including Pinnacles National Park. * WHEN...For the Excessive Heat Warning, from 11 AM Thursday to 9 PM PDT Friday. For the Heat Advisory, from 11 AM Wednesday to 11 AM PDT Thursday. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. * ADDITIONAL DETAILS...Temperatures will increase on Wednesday, with the hottest day of the week on Thursday. While temperatures reduce on Friday, they will still be hot. 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. && $$ CAZ506-512-513-528-160400- /O.CON.KMTR.HT.Y.0002.210616T1800Z-210619T0400Z/ North Bay Interior Valleys-Santa Cruz Mountains- Santa Clara Valley Including San Jose- Northern Salinas Valley/Hollister Valley and Carmel Valley- Including the cities of Santa Rosa, South Santa Rosa, Napa, San Rafael, Petaluma, Novato, Rohnert Park, Scotts Valley, Boulder Creek, Day Valley, San Jose, and Salinas 142 PM PDT Tue Jun 15 2021 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM WEDNESDAY TO 9 PM PDT FRIDAY... * WHAT...Temperatures 92 to 102 expected. * WHERE...North Bay Interior Valleys, Santa Cruz Mountains, Santa Clara Valley Including San Jose and Hollister Valley. * WHEN...From 11 AM Wednesday to 9 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses to occur. * ADDITIONAL DETAILS...Temperatures will increase on Wednesday, with the hottest day of the week on Thursday. While temperatures reduce on Friday, they will still be hot. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ For more information from the National Weather Service visit http://weather.gov/mtr
720 WWUS76 KMTR 160351 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco Bay Area 851 PM PDT Tue Jun 15 2021 CAZ507-510-511-516>518-161200- /O.CON.KMTR.EH.W.0001.210617T1800Z-210619T0400Z/ /O.CON.KMTR.HT.Y.0002.210616T1800Z-210617T1800Z/ North Bay Mountains-East Bay Interior Valleys- East Bay Hills and the Diablo Range- Southern Salinas Valley/Arroyo Seco and Lake San Antonio- Santa Lucia Mountains and Los Padres National Forest- Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park- Including the cities of Angwin, Lagunitas-Forest Knolls, Woodacre, Concord, Antioch, Livermore, Walnut Creek, Pleasanton, Pittsburg, San Ramon, Blackhawk, Greenfield, and King City 851 PM PDT Tue Jun 15 2021 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM WEDNESDAY TO 11 AM PDT THURSDAY... ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 11 AM THURSDAY TO 9 PM PDT FRIDAY... * WHAT...For the Heat Advisory, temperatures up to 94 to 102 expected. For the Excessive Heat Warning, dangerously hot conditions with temperatures from 98 to 108 expected. Additionally, overnight temperatures will only cool into the 70s if not lower 80s in the hills, ridges and peaks. * WHERE...North Bay Mountains, East Bay Valleys and Mountains, Santa Lucia Mountains, Los Padres National Forest, Mountains of San Benito County and Interior Monterey County including Pinnacles National Park. * WHEN...For the Excessive Heat Warning, from 11 AM Thursday to 9 PM PDT Friday. For the Heat Advisory, from 11 AM Wednesday to 11 AM PDT Thursday. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. * ADDITIONAL DETAILS...Temperatures will increase on Wednesday, with the hottest day of the week on Thursday. While temperatures reduce on Friday, they will still be hot. 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. && $$ CAZ506-512-513-528-161200- /O.CON.KMTR.HT.Y.0002.210616T1800Z-210619T0400Z/ North Bay Interior Valleys-Santa Cruz Mountains- Santa Clara Valley Including San Jose- Northern Salinas Valley/Hollister Valley and Carmel Valley- Including the cities of Santa Rosa, South Santa Rosa, Napa, San Rafael, Petaluma, Novato, Rohnert Park, Scotts Valley, Boulder Creek, Day Valley, San Jose, and Salinas 851 PM PDT Tue Jun 15 2021 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM WEDNESDAY TO 9 PM PDT FRIDAY... * WHAT...Temperatures 92 to 102 expected. * WHERE...North Bay Interior Valleys, Santa Cruz Mountains, Santa Clara Valley Including San Jose and Hollister Valley. * WHEN...From 11 AM Wednesday to 9 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses to occur. * ADDITIONAL DETAILS...Temperatures will increase on Wednesday, with the hottest day of the week on Thursday. While temperatures reduce on Friday, they will still be hot. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ For more information from the National Weather Service visit http://weather.gov/mtr
895 WWUS76 KMTR 161042 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco Bay Area 342 AM PDT Wed Jun 16 2021 CAZ507-510-511-516>518-162200- /O.CON.KMTR.EH.W.0001.210617T1800Z-210619T0400Z/ /O.CON.KMTR.HT.Y.0002.210616T1800Z-210617T1800Z/ North Bay Mountains-East Bay Interior Valleys- East Bay Hills and the Diablo Range- Southern Salinas Valley/Arroyo Seco and Lake San Antonio- Santa Lucia Mountains and Los Padres National Forest- Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park- Including the cities of Angwin, Lagunitas-Forest Knolls, Woodacre, Concord, Antioch, Livermore, Walnut Creek, Pleasanton, Pittsburg, San Ramon, Blackhawk, Greenfield, and King City 342 AM PDT Wed Jun 16 2021 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 11 AM PDT THURSDAY... ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 11 AM THURSDAY TO 9 PM PDT FRIDAY... * WHAT...For the Heat Advisory, temperatures up to 94 to 102 expected. For the Excessive Heat Warning, dangerously hot conditions with temperatures from 98 to 108 expected. The hottest interior locations may reach or exceed 110 deg F. Additionally, overnight temperatures will only cool into the 70s if not lower 80s in the hills, ridges and peaks. * WHERE...North Bay Mountains, East Bay Valleys and Mountains, Santa Lucia Mountains, Los Padres National Forest, Mountains of San Benito County and Interior Monterey County including Pinnacles National Park. * WHEN...For the Heat Advisory, from 11 AM this morning to 11 AM PDT Thursday. For the Excessive Heat Warning, from 11 AM Thursday to 9 PM PDT Friday. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. * ADDITIONAL DETAILS...Temperatures will increase on Wednesday, with the hottest day of the week on Thursday. While temperatures cool slightly on Friday near the coast, they will still be hot across the interior. 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. && $$ CAZ506-512-513-528-162200- /O.CON.KMTR.HT.Y.0002.210616T1800Z-210619T0400Z/ North Bay Interior Valleys-Santa Cruz Mountains- Santa Clara Valley Including San Jose- Northern Salinas Valley/Hollister Valley and Carmel Valley- Including the cities of Santa Rosa, South Santa Rosa, Napa, San Rafael, Petaluma, Novato, Rohnert Park, Scotts Valley, Boulder Creek, Day Valley, San Jose, and Salinas 342 AM PDT Wed Jun 16 2021 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 9 PM PDT FRIDAY... * WHAT...Temperatures 92 to 102 expected. * WHERE...North Bay Interior Valleys, Santa Cruz Mountains, Santa Clara Valley Including San Jose and Hollister Valley. * WHEN...From 11 AM this morning to 9 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses to occur. * ADDITIONAL DETAILS...Temperatures will increase on Wednesday, with the hottest day of the week on Thursday. While temperatures cool slightly on Friday near the coast, they will still be hot across the interior. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ For more information from the National Weather Service visit http://weather.gov/mtr
191 WWUS76 KMTR 162154 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco Bay Area 254 PM PDT Wed Jun 16 2021 CAZ507-510-511-516>518-171100- /O.CON.KMTR.EH.W.0001.210617T1800Z-210619T0400Z/ /O.CON.KMTR.HT.Y.0002.000000T0000Z-210617T1800Z/ North Bay Mountains-East Bay Interior Valleys- East Bay Hills and the Diablo Range- Southern Salinas Valley/Arroyo Seco and Lake San Antonio- Santa Lucia Mountains and Los Padres National Forest- Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park- Including the cities of Angwin, Lagunitas-Forest Knolls, Woodacre, Concord, Antioch, Livermore, Walnut Creek, Pleasanton, Pittsburg, San Ramon, Blackhawk, Greenfield, and King City 254 PM PDT Wed Jun 16 2021 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 11 AM PDT THURSDAY... ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 11 AM THURSDAY TO 9 PM PDT FRIDAY... * WHAT...For the Heat Advisory, temperatures in the low 90s up to 102 expected. For the Excessive Heat Warning, dangerously hot conditions with temperatures in the upper 90s up to 108 expected. The hottest interior locations may reach or exceed 110 deg F. Additionally, overnight temperatures will only cool into the 70s if not lower 80s in the hills, ridges and peaks. * WHERE...North Bay Mountains, East Bay Valleys and Mountains, Santa Lucia Mountains, Los Padres National Forest, Mountains of San Benito County and Interior Monterey County including Pinnacles National Park. * WHEN...For the Heat Advisory, until 11 AM PDT Thursday. For the Excessive Heat Warning, from 11 AM Thursday to 9 PM PDT Friday. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working outside or participating in outdoor activities. * ADDITIONAL DETAILS...Temperatures will be well above normal today, and will peak on Thursday. While temperatures cool slightly on Friday near the coast, they will still be hot across the interior. 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. && $$ CAZ506-512-513-528-171100- /O.CON.KMTR.HT.Y.0002.000000T0000Z-210619T0400Z/ North Bay Interior Valleys-Santa Cruz Mountains- Santa Clara Valley Including San Jose- Northern Salinas Valley/Hollister Valley and Carmel Valley- Including the cities of Santa Rosa, South Santa Rosa, Napa, San Rafael, Petaluma, Novato, Rohnert Park, Scotts Valley, Boulder Creek, Day Valley, San Jose, and Salinas 254 PM PDT Wed Jun 16 2021 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT FRIDAY... * WHAT...Temperatures in the low 90s up to 103 expected. * WHERE...North Bay Interior Valleys, Santa Cruz Mountains, Santa Clara Valley Including San Jose and Northern Salinas Valley/Hollister Valley and Carmel Valley. * WHEN...Until 9 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses to occur. * ADDITIONAL DETAILS...Temperatures will be well above normal today, and will peak on Thursday. While temperatures cool slightly on Friday near the coast, they will still be hot across the interior. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ For more information from the National Weather Service visit http://weather.gov/mtr
070 WWUS76 KMTR 171035 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco Bay Area 335 AM PDT Thu Jun 17 2021 CAZ507-510-511-516>518-172200- /O.CON.KMTR.EH.W.0001.210617T1800Z-210619T0400Z/ /O.CON.KMTR.HT.Y.0002.000000T0000Z-210617T1800Z/ North Bay Mountains-East Bay Interior Valleys- East Bay Hills and the Diablo Range- Southern Salinas Valley/Arroyo Seco and Lake San Antonio- Santa Lucia Mountains and Los Padres National Forest- Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park- Including the cities of Angwin, Lagunitas-Forest Knolls, Woodacre, Concord, Antioch, Livermore, Walnut Creek, Pleasanton, Pittsburg, San Ramon, Blackhawk, Greenfield, and King City 335 AM PDT Thu Jun 17 2021 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 11 AM PDT THIS MORNING... ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 9 PM PDT FRIDAY... * WHAT...For the Heat Advisory, temperatures in the low 90s up to 102 expected. For the Excessive Heat Warning, dangerously hot conditions with temperatures in the upper 90s up to 108 expected. The hottest interior locations may reach or exceed 110 deg F. Additionally, overnight temperatures will only cool into the 70s if not lower 80s in the hills, ridges and peaks. * WHERE...North Bay Mountains, East Bay Valleys and Mountains, Santa Lucia Mountains, Los Padres National Forest, Mountains of San Benito County and Interior Monterey County including Pinnacles National Park. * WHEN...For the Heat Advisory, until 11 AM PDT today. For the Excessive Heat Warning, from 11 AM today to 9 PM PDT Friday. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working outside or participating in outdoor activities. * ADDITIONAL DETAILS...Temperatures will be well above normal and will peak today. While temperatures cool slightly on Friday near the coast, they will still be hot across the interior. 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. && $$ CAZ506-512-513-528-172200- /O.CON.KMTR.HT.Y.0002.000000T0000Z-210619T0400Z/ North Bay Interior Valleys-Santa Cruz Mountains- Santa Clara Valley Including San Jose- Northern Salinas Valley/Hollister Valley and Carmel Valley- Including the cities of Santa Rosa, South Santa Rosa, Napa, San Rafael, Petaluma, Novato, Rohnert Park, Scotts Valley, Boulder Creek, Day Valley, San Jose, and Salinas 335 AM PDT Thu Jun 17 2021 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT FRIDAY... * WHAT...Temperatures in the low 90s up to 103 expected. * WHERE...North Bay Interior Valleys, Santa Cruz Mountains, Santa Clara Valley Including San Jose and Northern Salinas Valley/Hollister Valley and Carmel Valley. * WHEN...Until 9 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses to occur. * ADDITIONAL DETAILS...Temperatures will be well above normal and will peak today. While temperatures cool slightly on Friday near the coast, they will still be hot across the interior. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ For more information from the National Weather Service visit http://weather.gov/mtr
364 WWUS76 KMTR 171412 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco Bay Area 712 AM PDT Thu Jun 17 2021 CAZ507-510-511-516>518-172215- /O.CON.KMTR.EH.W.0001.210617T1800Z-210619T0400Z/ /O.CON.KMTR.HT.Y.0002.000000T0000Z-210617T1800Z/ North Bay Mountains-East Bay Interior Valleys- East Bay Hills and the Diablo Range- Southern Salinas Valley/Arroyo Seco and Lake San Antonio- Santa Lucia Mountains and Los Padres National Forest- Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park- Including the cities of Angwin, Lagunitas-Forest Knolls, Woodacre, Concord, Antioch, Livermore, Walnut Creek, Pleasanton, Pittsburg, San Ramon, Blackhawk, Greenfield, and King City 712 AM PDT Thu Jun 17 2021 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 11 AM PDT THIS MORNING... ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 9 PM PDT FRIDAY... * WHAT...For the Heat Advisory, temperatures in the low 90s up to 102 expected. For the Excessive Heat Warning, dangerously hot conditions with temperatures in the upper 90s up to 108 expected. The hottest interior locations may reach or exceed 110 deg F. Additionally, overnight temperatures will only cool into the 70s if not lower 80s in the hills, ridges and peaks. * WHERE...North Bay Mountains, East Bay Valleys and Mountains, Santa Lucia Mountains, Los Padres National Forest, Mountains of San Benito County and Interior Monterey County including Pinnacles National Park. * WHEN...For the Heat Advisory, until 11 AM PDT today. For the Excessive Heat Warning, from 11 AM today to 9 PM PDT Friday. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working outside or participating in outdoor activities. * ADDITIONAL DETAILS...Temperatures will be well above normal and will peak today. While temperatures cool slightly on Friday near the coast, they will still be hot across the interior. 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. && $$ CAZ508-172215- /O.EXB.KMTR.HT.Y.0002.210617T1800Z-210618T0400Z/ San Francisco Bay Shoreline- Including the cities of Oakland, Fremont, Hayward, Daly City, and Berkeley 712 AM PDT Thu Jun 17 2021 ...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 9 PM PDT THIS EVENING... * WHAT...Temperatures upper 80s to 97 expected. * WHERE...San Francisco Bay Shoreline. Hottest locations include, but not limited to, Woodside, Los Altos Hills, Los Altos, Stanford, Sunnyvale, and Loyola. * WHEN...From 11 AM this morning to 9 PM PDT this evening. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working outside or participating in outdoor activities. * ADDITIONAL DETAILS...Temperatures will be well above normal and will peak today. While temperatures cool slightly on Friday near the coast, they will still be hot across the interior. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ506-512-513-528-172215- /O.CON.KMTR.HT.Y.0002.000000T0000Z-210619T0400Z/ North Bay Interior Valleys-Santa Cruz Mountains- Santa Clara Valley Including San Jose- Northern Salinas Valley/Hollister Valley and Carmel Valley- Including the cities of Santa Rosa, South Santa Rosa, Napa, San Rafael, Petaluma, Novato, Rohnert Park, Scotts Valley, Boulder Creek, Day Valley, San Jose, and Salinas 712 AM PDT Thu Jun 17 2021 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT FRIDAY... * WHAT...Temperatures in the low 90s up to 103 expected. * WHERE...North Bay Interior Valleys, Santa Cruz Mountains, Santa Clara Valley Including San Jose and Northern Salinas Valley/Hollister Valley and Carmel Valley. * WHEN...Until 9 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses to occur. * ADDITIONAL DETAILS...Temperatures will be well above normal and will peak today. While temperatures cool slightly on Friday near the coast, they will still be hot across the interior. 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. && $$ For more information from the National Weather Service visit http://weather.gov/mtr
927 WWUS76 KMTR 171634 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco Bay Area 934 AM PDT Thu Jun 17 2021 CAZ507-510-511-516>518-180500- /O.CON.KMTR.EH.W.0001.210617T1800Z-210619T0400Z/ /O.CON.KMTR.HT.Y.0002.000000T0000Z-210617T1800Z/ North Bay Mountains-East Bay Interior Valleys- East Bay Hills and the Diablo Range- Southern Salinas Valley/Arroyo Seco and Lake San Antonio- Santa Lucia Mountains and Los Padres National Forest- Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park- Including the cities of Angwin, Lagunitas-Forest Knolls, Woodacre, Concord, Antioch, Livermore, Walnut Creek, Pleasanton, Pittsburg, San Ramon, Blackhawk, Greenfield, and King City 934 AM PDT Thu Jun 17 2021 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 11 AM PDT THIS MORNING... ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM PDT FRIDAY... * WHAT...For the Heat Advisory, temperatures in the low 90s up to 102 expected. For the Excessive Heat Warning, dangerously hot conditions with temperatures in the upper 90s up to 108 expected. The hottest interior locations may reach or exceed 110 deg F. Additionally, overnight temperatures will only cool into the 70s if not lower 80s in the hills, ridges and peaks. * WHERE...North Bay Mountains, East Bay Valleys and Mountains, Santa Lucia Mountains, Los Padres National Forest, Mountains of San Benito County and Interior Monterey County including Pinnacles National Park. * WHEN...For the Heat Advisory, until 11 AM PDT today. For the Excessive Heat Warning, from 11 AM today to 9 PM PDT Friday. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working outside or participating in outdoor activities. * ADDITIONAL DETAILS...Temperatures will be well above normal and will peak today. While temperatures cool slightly on Friday near the coast, they will still be hot across the interior. 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. && $$ CAZ529-180400- /O.EXA.KMTR.HT.Y.0002.210617T1800Z-210618T0400Z/ Northern Monterey Bay- Including the cities of Santa Cruz, Watsonville, and Live Oak 934 AM PDT Thu Jun 17 2021 ...HEAT ADVISORY IN EFFECT UNTIL 9 PM PDT THIS EVENING... * WHAT...Temperatures 90 to 100 expected. * WHERE...Northern Monterey Bay. * WHEN...From 11 AM this morning to 9 PM PDT this evening. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working outside or participating in outdoor activities. * ADDITIONAL DETAILS...Temperatures will be well above normal and will peak today. While temperatures cool slightly on Friday near the coast, they will still be hot across the interior. 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. && $$ CAZ506-512-513-528-180500- /O.CON.KMTR.HT.Y.0002.000000T0000Z-210619T0400Z/ North Bay Interior Valleys-Santa Cruz Mountains- Santa Clara Valley Including San Jose- Northern Salinas Valley/Hollister Valley and Carmel Valley- Including the cities of Santa Rosa, South Santa Rosa, Napa, San Rafael, Petaluma, Novato, Rohnert Park, Scotts Valley, Boulder Creek, Day Valley, San Jose, and Salinas 934 AM PDT Thu Jun 17 2021 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT FRIDAY... * WHAT...Temperatures in the low 90s up to 103 expected. * WHERE...North Bay Interior Valleys, Santa Cruz Mountains, Santa Clara Valley Including San Jose and Northern Salinas Valley/Hollister Valley and Carmel Valley. * WHEN...Until 9 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses to occur. * ADDITIONAL DETAILS...Temperatures will be well above normal and will peak today. While temperatures cool slightly on Friday near the coast, they will still be hot across the interior. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ508-180400- /O.CON.KMTR.HT.Y.0002.210617T1800Z-210618T0400Z/ San Francisco Bay Shoreline- Including the cities of Oakland, Fremont, Hayward, Daly City, and Berkeley 934 AM PDT Thu Jun 17 2021 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING... * WHAT...Temperatures upper 80s to 97 expected. * WHERE...San Francisco Bay Shoreline. Hottest locations include, but not limited to, Woodside, Los Altos Hills, Los Altos, Stanford, Sunnyvale, and Loyola. * WHEN...From 11 AM this morning to 9 PM PDT this evening. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working outside or participating in outdoor activities. * ADDITIONAL DETAILS...Temperatures will be well above normal and will peak today. While temperatures cool slightly on Friday near the coast, they will still be hot across the interior. 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. && $$ For more information from the National Weather Service visit http://weather.gov/mtr
391 WWUS76 KMTR 180355 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco Bay Area 855 PM PDT Thu Jun 17 2021 CAZ508-529-180500- /O.EXP.KMTR.HT.Y.0002.000000T0000Z-210618T0400Z/ San Francisco Bay Shoreline-Northern Monterey Bay- Including the cities of Oakland, Fremont, Hayward, Daly City, Berkeley, Santa Cruz, Watsonville, and Live Oak 855 PM PDT Thu Jun 17 2021 ...HEAT ADVISORY WILL EXPIRE AT 9 PM PDT THIS EVENING... The heat advisory will expire for areas around the San Francisco Bay Shoreline and Santa Cruz region at 9 pm this evening. Warm temperatures this evening will gradually cool overnight. Significant cooling is forecast for Friday around Santa Cruz while more seasonable temperatures are forecast for cities like Oakland and Fremont on Friday with forecast highs in the 80s to around 90. $$ CAZ507-510-511-516>518-181100- /O.CON.KMTR.EH.W.0001.000000T0000Z-210619T0400Z/ North Bay Mountains-East Bay Interior Valleys- East Bay Hills and the Diablo Range- Southern Salinas Valley/Arroyo Seco and Lake San Antonio- Santa Lucia Mountains and Los Padres National Forest- Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park- Including the cities of Angwin, Lagunitas-Forest Knolls, Woodacre, Concord, Antioch, Livermore, Walnut Creek, Pleasanton, Pittsburg, San Ramon, Blackhawk, Greenfield, and King City 855 PM PDT Thu Jun 17 2021 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM PDT FRIDAY... * WHAT...For the Excessive Heat Warning, dangerously hot conditions with temperatures in the upper 90s up to 108 expected. The hottest interior locations may reach or exceed 110 deg F. Additionally, overnight temperatures will only cool into the 70s if not lower 80s in the hills. * WHERE...North Bay Mountains, East Bay Valleys and Mountains, Santa Lucia Mountains, Los Padres National Forest, Mountains of San Benito County and Interior Monterey County including Pinnacles National Park. * WHEN...For the Excessive Heat Warning through 9 PM PDT Friday. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working outside or participating in outdoor activities. * ADDITIONAL DETAILS...While temperatures cool slightly on Friday near the coast, they will still be hot across the interior. 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. && $$ CAZ506-512-513-528-181100- /O.CON.KMTR.HT.Y.0002.000000T0000Z-210619T0400Z/ North Bay Interior Valleys-Santa Cruz Mountains- Santa Clara Valley Including San Jose- Northern Salinas Valley/Hollister Valley and Carmel Valley- Including the cities of Santa Rosa, South Santa Rosa, Napa, San Rafael, Petaluma, Novato, Rohnert Park, Scotts Valley, Boulder Creek, Day Valley, San Jose, and Salinas 855 PM PDT Thu Jun 17 2021 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT FRIDAY... * WHAT...Temperatures in the low 90s up to 103 expected. * WHERE...North Bay Interior Valleys, Santa Cruz Mountains, Santa Clara Valley Including San Jose and Northern Salinas Valley/Hollister Valley and Carmel Valley. * WHEN...Until 9 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses to occur. * ADDITIONAL DETAILS...Temperatures will be well above normal. While temperatures cool slightly on Friday near the coast, they will still be hot across the interior. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ For more information from the National Weather Service visit http://weather.gov/mtr
196 WWUS76 KMTR 181025 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco Bay Area 325 AM PDT Fri Jun 18 2021 CAZ507-510-511-516>518-182200- /O.CON.KMTR.EH.W.0001.000000T0000Z-210619T0400Z/ North Bay Mountains-East Bay Interior Valleys- East Bay Hills and the Diablo Range- Southern Salinas Valley/Arroyo Seco and Lake San Antonio- Santa Lucia Mountains and Los Padres National Forest- Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park- Including the cities of Angwin, Lagunitas-Forest Knolls, Woodacre, Concord, Antioch, Livermore, Walnut Creek, Pleasanton, Pittsburg, San Ramon, Blackhawk, Greenfield, and King City 325 AM PDT Fri Jun 18 2021 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING... * WHAT...For the Excessive Heat Warning, dangerously hot conditions with temperatures in the upper 90s up to 108 expected. The hottest interior locations may reach or exceed 110 deg F. * WHERE...North Bay Mountains, East Bay Valleys and Mountains, Santa Lucia Mountains, Los Padres National Forest, Mountains of San Benito County and Interior Monterey County including Pinnacles National Park. * WHEN...For the Excessive Heat Warning through 9 PM PDT this evening. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working outside or participating in outdoor activities. * ADDITIONAL DETAILS...While temperatures cool slightly on Friday near the coast, they will still be hot across the interior. 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. && $$ CAZ506-512-513-528-182200- /O.CON.KMTR.HT.Y.0002.000000T0000Z-210619T0400Z/ North Bay Interior Valleys-Santa Cruz Mountains- Santa Clara Valley Including San Jose- Northern Salinas Valley/Hollister Valley and Carmel Valley- Including the cities of Santa Rosa, South Santa Rosa, Napa, San Rafael, Petaluma, Novato, Rohnert Park, Scotts Valley, Boulder Creek, Day Valley, San Jose, and Salinas 325 AM PDT Fri Jun 18 2021 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING... * WHAT...Temperatures in the lower 90s up to 103 expected. * WHERE...North Bay Interior Valleys, Santa Cruz Mountains, Santa Clara Valley Including San Jose and Northern Salinas Valley/Hollister Valley and Carmel Valley. * WHEN...Until 9 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses to occur. * ADDITIONAL DETAILS...Temperatures will be well above normal. While temperatures cool slightly on Friday near the coast, they will still be hot across the interior. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ For more information from the National Weather Service visit http://weather.gov/mtr
209 WWUS76 KMTR 182133 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco Bay Area 233 PM PDT Fri Jun 18 2021 CAZ507-510-511-516>518-190400- /O.CON.KMTR.EH.W.0001.000000T0000Z-210619T0400Z/ North Bay Mountains-East Bay Interior Valleys- East Bay Hills and the Diablo Range- Southern Salinas Valley/Arroyo Seco and Lake San Antonio- Santa Lucia Mountains and Los Padres National Forest- Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park- Including the cities of Angwin, Lagunitas-Forest Knolls, Woodacre, Concord, Antioch, Livermore, Walnut Creek, Pleasanton, Pittsburg, San Ramon, Blackhawk, Greenfield, and King City 233 PM PDT Fri Jun 18 2021 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING... * WHAT...For the Excessive Heat Warning, dangerously hot conditions with temperatures in the upper 90s up to 108 expected. The hottest interior locations may reach or exceed 110 deg F. * WHERE...North Bay Mountains, East Bay Valleys and Mountains, Santa Lucia Mountains, Los Padres National Forest, Mountains of San Benito County and Interior Monterey County including Pinnacles National Park. * WHEN...For the Excessive Heat Warning through 9 PM PDT this evening. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working outside or participating in outdoor activities. * ADDITIONAL DETAILS...While temperatures cool slightly on Friday near the coast, they will still be hot across the interior. 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. && $$ CAZ506-512-513-528-190400- /O.CON.KMTR.HT.Y.0002.000000T0000Z-210619T0400Z/ North Bay Interior Valleys-Santa Cruz Mountains- Santa Clara Valley Including San Jose- Northern Salinas Valley/Hollister Valley and Carmel Valley- Including the cities of Santa Rosa, South Santa Rosa, Napa, San Rafael, Petaluma, Novato, Rohnert Park, Scotts Valley, Boulder Creek, Day Valley, San Jose, and Salinas 233 PM PDT Fri Jun 18 2021 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING... * WHAT...Temperatures in the lower 90s up to 105 expected. * WHERE...North Bay Interior Valleys, Santa Cruz Mountains, Santa Clara Valley Including San Jose and Northern Salinas Valley/Hollister Valley and Carmel Valley. * WHEN...Until 9 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses to occur. * ADDITIONAL DETAILS...Temperatures will be well above normal. While temperatures cool slightly on Friday near the coast, they will still be hot across the interior. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$
531 WWUS76 KMTR 190350 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco Bay Area 850 PM PDT Fri Jun 18 2021 CAZ507-510-511-516>518-190500- /O.EXP.KMTR.EH.W.0001.000000T0000Z-210619T0400Z/ North Bay Mountains-East Bay Interior Valleys- East Bay Hills and the Diablo Range- Southern Salinas Valley/Arroyo Seco and Lake San Antonio- Santa Lucia Mountains and Los Padres National Forest- Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park- Including the cities of Angwin, Lagunitas-Forest Knolls, Woodacre, Concord, Antioch, Livermore, Walnut Creek, Pleasanton, Pittsburg, San Ramon, Blackhawk, Greenfield, and King City 850 PM PDT Fri Jun 18 2021 ...EXCESSIVE HEAT WARNING WILL EXPIRE AT 9 PM PDT THIS EVENING... Conditions will still be hot, but not at excessive heat warning criteria for: far North Bay and far East Bay regions along with the Santa Lucia Mountains, Los Padres National Forest, Pinnacles National Park, and mountains of San Benito County. Therefore, the Excessive Heat Warning will be allowed to expire, but will evaluate to see if a Heat Advisory for these areas is needed. $$ CAZ506-512-513-528-190500- /O.EXP.KMTR.HT.Y.0002.000000T0000Z-210619T0400Z/ North Bay Interior Valleys-Santa Cruz Mountains- Santa Clara Valley Including San Jose- Northern Salinas Valley/Hollister Valley and Carmel Valley- Including the cities of Santa Rosa, South Santa Rosa, Napa, San Rafael, Petaluma, Novato, Rohnert Park, Scotts Valley, Boulder Creek, Day Valley, San Jose, and Salinas 850 PM PDT Fri Jun 18 2021 ...HEAT ADVISORY WILL EXPIRE AT 9 PM PDT THIS EVENING... Due to increasing influence from the marine layer, the Heat Advisory will be allowed to expire. $$ For more information from the National Weather Service visit http://weather.gov/mtr
The office that day
Everything else NWS San Francisco Bay Area, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 14, 2:02 AM PDT | Gale Watch | MTR | 13 hr | |
| Jun 14, 2:02 AM PDT | Small Craft Advisory | MTR | 6 days | |
| Jun 14, 1:17 PM PDT | Excessive Heat Warning | MTR | Alameda, Contra Costa, Monterey, San Benito | 4 days |
| Jun 14, 2:53 PM PDT | Gale Warning | MTR | 36 hr |
Nearby
Heat Advisories in California, 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.