Alert archive / California / Heat Advisories in 2021
Heat Advisory 4, NWS Eureka, CA
NWS Eureka, CA issued this heat advisory at Jun 24, 2021, 1:56 PM PDT for 4 counties in California. It took effect at Jun 26, 2021, 2:00 PM PDT. It was in force for 3 days.
The area
The counties it named.
The facts
- Issued
- Jun 24, 2021, 1:56 PM PDT (20:56 UTC)
- In effect from
- Jun 26, 2021, 2:00 PM PDT
- Expired
- Jun 29, 2021, 9:00 PM PDT
- In force
- 3 days
- Issued by
- NWS Eureka, CA
Counties Humboldt County, CA, Lake County, CA, Mendocino County, CA, Trinity County, CA
The radar
The Eureka (Bunker Hill) radar (KBHX), 102 km from the middle of the area, began a volume at 20:55 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, 8.9 hours before the alert went out and 267 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 543 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 54 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
491 WWUS76 KEKA 242056 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 156 PM PDT Thu Jun 24 2021 CAZ107-108-111-114-115-250500- /O.UPG.KEKA.EH.A.0003.210626T2100Z-210629T0400Z/ /O.NEW.KEKA.EH.W.0002.210626T2100Z-210630T0400Z/ Northern Trinity-Southern Trinity-Northeastern Mendocino Interior- Northern Lake-Southern Lake- 156 PM PDT Thu Jun 24 2021 ...EXCESSIVE HEAT WARNING IN EFFECT FROM 2 PM SATURDAY TO 9 PM TUESDAY... * WHAT...Dangerously hot conditions with temperatures up to 108 expected. * WHERE...Trinity County, Lake County, and Northeastern Mendocino Interior. * WHEN...From 2 PM Saturday to 9 PM Tuesday. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. 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, schedule 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. $$ CAZ105-250500- /O.UPG.KEKA.EH.A.0003.210626T2100Z-210629T0400Z/ /O.NEW.KEKA.HT.Y.0004.210626T2100Z-210628T0400Z/ Northern Humboldt Interior- 156 PM PDT Thu Jun 24 2021 ...HEAT ADVISORY IN EFFECT FROM 2 PM SATURDAY TO 9 PM SUNDAY... * WHAT...Temperatures up to 103 expected. * WHERE...Northern Humboldt Interior. * WHEN...From 2 PM Saturday to 9 PM Sunday. * IMPACTS...Hot temperatures may cause heat illnesses to occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, schedule frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. $$
18 follow-up statements
091 WWUS76 KEKA 250348 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 848 PM PDT Thu Jun 24 2021 CAZ107-108-111-114-115-251200- /O.CON.KEKA.EH.W.0002.210626T2100Z-210630T0400Z/ Northern Trinity-Southern Trinity-Northeastern Mendocino Interior- Northern Lake-Southern Lake- 848 PM PDT Thu Jun 24 2021 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 2 PM SATURDAY TO 9 PM PDT TUESDAY... * WHAT...Dangerously hot conditions with temperatures up to 110 expected. * WHERE...Southern Trinity, Northeastern Mendocino Interior, Northern Trinity, Southern Lake and Northern Lake Counties. * WHEN...From 2 PM Saturday to 9 PM PDT Tuesday. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. 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. && $$ CAZ105-251200- /O.CON.KEKA.HT.Y.0004.210626T2100Z-210628T0400Z/ Northern Humboldt Interior- 848 PM PDT Thu Jun 24 2021 ...HEAT ADVISORY REMAINS IN EFFECT FROM 2 PM SATURDAY TO 9 PM PDT SUNDAY... * WHAT...Temperatures up to 103 expected. * WHERE...Northern Humboldt Interior County. * WHEN...From 2 PM Saturday to 9 PM PDT Sunday. * IMPACTS...Hot temperatures may cause heat illnesses to occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$
179 WWUS76 KEKA 251015 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 315 AM PDT Fri Jun 25 2021 CAZ107-108-111-114-115-251900- /O.CON.KEKA.EH.W.0002.210626T2100Z-210630T0400Z/ Northern Trinity-Southern Trinity-Northeastern Mendocino Interior- Northern Lake-Southern Lake- 315 AM PDT Fri Jun 25 2021 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 2 PM SATURDAY TO 9 PM PDT TUESDAY... * WHAT...Dangerously hot conditions. Valley high temperatures of 105 to 110 expected. Overnight lows mainly in the 60s. * WHERE...Southern Trinity, Northeastern Mendocino Interior, Northern Trinity, Southern Lake and Northern Lake Counties. * WHEN...From 2 PM Saturday to 9 PM PDT Tuesday. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. 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. && $$ CAZ110-113-251900- /O.EXA.KEKA.HT.Y.0004.210626T2100Z-210628T0400Z/ Northwestern Mendocino Interior-Southeastern Mendocino Interior- 315 AM PDT Fri Jun 25 2021 ...HEAT ADVISORY IN EFFECT FROM 2 PM SATURDAY TO 9 PM PDT SUNDAY... * WHAT...Valley high temperatures of 102 to 108 expected. Overnight lows mainly in the upper 50s. * WHERE...Southeast Mendocino County, including Ukiah, Hopland, Potter Valley, and Dos Rios. * WHEN...From 2 PM Saturday to 9 PM PDT Sunday. * IMPACTS...Hot temperatures may cause heat illnesses to occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ105-251900- /O.CON.KEKA.HT.Y.0004.210626T2100Z-210628T0400Z/ Northern Humboldt Interior- 315 AM PDT Fri Jun 25 2021 ...HEAT ADVISORY REMAINS IN EFFECT FROM 2 PM SATURDAY TO 9 PM PDT SUNDAY... * WHAT...Valley high temperatures of 100 to 106 expected. Overnight lows mainly in the 60s. * WHERE...Portions of Interior Northern Humboldt County, including Willow Creek, Hoopa, and Orleans. * WHEN...From 2 PM Saturday to 9 PM PDT Sunday. * IMPACTS...Hot temperatures 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. && $$
820 WWUS76 KEKA 251847 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 1147 AM PDT Fri Jun 25 2021 CAZ107-108-111-114-115-260300- /O.CON.KEKA.EH.W.0002.210626T2100Z-210630T0400Z/ Northern Trinity-Southern Trinity-Northeastern Mendocino Interior- Northern Lake-Southern Lake- 1147 AM PDT Fri Jun 25 2021 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 2 PM SATURDAY TO 9 PM PDT TUESDAY... * WHAT...Dangerously hot conditions. Valley high temperatures of 105 to 110 expected. Overnight lows mainly in the 60s. * WHERE...Southern Trinity, Northeastern Mendocino Interior, Northern Trinity, Southern Lake and Northern Lake Counties. * WHEN...From 2 PM Saturday to 9 PM PDT Tuesday. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ105-110-113-260300- /O.CON.KEKA.HT.Y.0004.210626T2100Z-210628T0400Z/ Northern Humboldt Interior-Northwestern Mendocino Interior- Southeastern Mendocino Interior- 1147 AM PDT Fri Jun 25 2021 ...HEAT ADVISORY REMAINS IN EFFECT FROM 2 PM SATURDAY TO 9 PM PDT SUNDAY... * WHAT...Valley high temperatures of 102 to 108 expected. Overnight lows mainly in the upper 50s. * WHERE...Southeast Mendocino County, including Ukiah, Hopland, Potter Valley, and Dos Rios. * WHEN...From 2 PM Saturday to 9 PM PDT Sunday. * IMPACTS...Hot temperatures 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. && $$
912 WWUS76 KEKA 260128 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 628 PM PDT Fri Jun 25 2021 CAZ107-108-111-114-115-260930- /O.CON.KEKA.EH.W.0002.210626T2100Z-210630T0400Z/ Northern Trinity-Southern Trinity-Northeastern Mendocino Interior- Northern Lake-Southern Lake- 628 PM PDT Fri Jun 25 2021 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 2 PM SATURDAY TO 9 PM PDT TUESDAY... * WHAT...Dangerously hot conditions. Valley high temperatures of 105 to 110 expected. Overnight lows mainly in the 60s. * WHERE...Southern Trinity, Northeastern Mendocino Interior, Northern Trinity, Southern Lake and Northern Lake Counties. * WHEN...From 2 PM Saturday to 9 PM PDT Tuesday. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ105-110-113-260930- /O.CON.KEKA.HT.Y.0004.210626T2100Z-210628T0400Z/ Northern Humboldt Interior-Northwestern Mendocino Interior- Southeastern Mendocino Interior- 628 PM PDT Fri Jun 25 2021 ...HEAT ADVISORY REMAINS IN EFFECT FROM 2 PM SATURDAY TO 9 PM PDT SUNDAY... * WHAT...Valley high temperatures of 102 to 108 expected. Overnight lows mainly in the upper 50s. * WHERE...Southeastern Mendocino Interior, Northwestern Mendocino Interior and Northern Humboldt Interior Counties. * WHEN...From 2 PM Saturday to 9 PM PDT Sunday. * IMPACTS...Hot temperatures 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. && $$
060 WWUS76 KEKA 260921 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 221 AM PDT Sat Jun 26 2021 CAZ107-108-111-114-115-261900- /O.CON.KEKA.EH.W.0002.210626T2100Z-210630T0400Z/ Northern Trinity-Southern Trinity-Northeastern Mendocino Interior- Northern Lake-Southern Lake- 221 AM PDT Sat Jun 26 2021 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 9 PM PDT TUESDAY... * WHAT...Dangerously hot conditions. Valley high temperatures of 105 to 110 expected. Overnight lows mainly in the 60s. * WHERE...Southern Trinity, Northeastern Mendocino Interior, Northern Trinity, Southern Lake and Northern Lake Counties. * WHEN...From 2 PM this afternoon to 9 PM PDT Tuesday. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ105-110-113-261900- /O.CON.KEKA.HT.Y.0004.210626T2100Z-210628T0400Z/ Northern Humboldt Interior-Northwestern Mendocino Interior- Southeastern Mendocino Interior- 221 AM PDT Sat Jun 26 2021 ...HEAT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 9 PM PDT SUNDAY... * WHAT...Valley high temperatures of 102 to 108 expected. Overnight lows mainly in the upper 50s. * WHERE...The Northern Humboldt Interior including Willow Creek, Hoopa, and Orleans. Southeast Mendocino County, including Ukiah, Hopland, Potter Valley, and Dos Rios. * WHEN...From 2 PM this afternoon to 9 PM PDT Sunday. * IMPACTS...Hot temperatures 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. && $$
169 WWUS76 KEKA 261851 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 1151 AM PDT Sat Jun 26 2021 CAZ107-108-111-114-115-270500- /O.CON.KEKA.EH.W.0002.210626T2100Z-210630T0400Z/ Northern Trinity-Southern Trinity-Northeastern Mendocino Interior- Northern Lake-Southern Lake- 1151 AM PDT Sat Jun 26 2021 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM TUESDAY... * WHAT...Dangerously hot conditions. Valley high temperatures of 105 to 110 expected. Overnight lows mainly in the 60s. * WHERE...Trinity County, Lake County, and Northeastern Mendocino Interior. * WHEN...From 2 PM this afternoon to 9 PM Tuesday. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, schedule frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. $$ CAZ105-110-113-270500- /O.CON.KEKA.HT.Y.0004.210626T2100Z-210628T0400Z/ Northern Humboldt Interior-Northwestern Mendocino Interior- Southeastern Mendocino Interior- 1151 AM PDT Sat Jun 26 2021 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM SUNDAY... * WHAT...Valley high temperatures of 102 to 108 expected. Overnight lows mainly in the upper 50s. * WHERE...The Northern Humboldt Interior including Willow Creek, Hoopa, and Orleans. Southeast Mendocino County, including Ukiah, Hopland, Potter Valley, and Dos Rios. * WHEN...From 2 PM this afternoon to 9 PM Sunday. * IMPACTS...Hot temperatures 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, schedule 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. $$
085 WWUS76 KEKA 270334 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 834 PM PDT Sat Jun 26 2021 CAZ107-108-111-114-115-271145- /O.CON.KEKA.EH.W.0002.000000T0000Z-210630T0400Z/ Northern Trinity-Southern Trinity-Northeastern Mendocino Interior- Northern Lake-Southern Lake- 834 PM PDT Sat Jun 26 2021 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM PDT TUESDAY... * WHAT...Dangerously hot conditions. Valley high temperatures of 105 to 110 expected. Overnight lows mainly in the 60s. * WHERE...Southern Trinity, Northeastern Mendocino Interior, Northern Trinity, Southern Lake and Northern Lake Counties. * WHEN...Until 9 PM PDT Tuesday. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ105-110-113-271145- /O.CON.KEKA.HT.Y.0004.000000T0000Z-210628T0400Z/ Northern Humboldt Interior-Northwestern Mendocino Interior- Southeastern Mendocino Interior- 834 PM PDT Sat Jun 26 2021 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT SUNDAY... * WHAT...Valley high temperatures of 102 to 108 expected. Overnight lows mainly in the upper 50s. * WHERE...Southeastern Mendocino Interior, Northwestern Mendocino Interior and Northern Humboldt Interior Counties. * WHEN...Until 9 PM PDT Sunday. * IMPACTS...Hot temperatures 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. && $$
990 WWUS76 KEKA 271104 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 404 AM PDT Sun Jun 27 2021 CAZ108-111-114-115-271915- /O.EXB.KEKA.HT.Y.0004.210628T0400Z-210630T0400Z/ /O.EXT.KEKA.EH.W.0002.000000T0000Z-210628T0400Z/ Southern Trinity-Northeastern Mendocino Interior-Northern Lake- Southern Lake- 404 AM PDT Sun Jun 27 2021 ...EXCESSIVE HEAT WARNING NOW IN EFFECT UNTIL 9 PM PDT THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 9 PM PDT TUESDAY... * WHAT...For the Excessive Heat Warning today, dangerously hot conditions with high temperatures of 102 to 108, with overnight lows in the 60s. For the Heat Advisory Monday and Tuesday, high temperatures in the upper 90s and low 100s. * WHERE...Southern Trinity, Northeastern Mendocino Interior, Northern Lake and Southern Lake Counties. * WHEN...For the Excessive Heat Warning, until 9 PM PDT this evening. For the Heat Advisory, from 9 PM this evening to 9 PM PDT Tuesday. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ107-271915- /O.CON.KEKA.EH.W.0002.000000T0000Z-210630T0400Z/ Northern Trinity- 404 AM PDT Sun Jun 27 2021 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM PDT TUESDAY... * WHAT...Dangerously hot conditions. Valley high temperatures of 105 to 110 expected today, then 100 to 105 Monday and Tuesday. Overnight lows in the 60s and low 70s. * WHERE...Northern Trinity County. * WHEN...Until 9 PM PDT Tuesday. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. 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. && $$ CAZ105-110-113-271915- /O.CON.KEKA.HT.Y.0004.000000T0000Z-210628T0400Z/ Northern Humboldt Interior-Northwestern Mendocino Interior- Southeastern Mendocino Interior- 404 AM PDT Sun Jun 27 2021 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING... * WHAT...Valley high temperatures of 102 to 108 expected. Overnight lows near 60. * WHERE...The Northern Humboldt Interior including Willow Creek, Hoopa, and Orleans. Southeast Mendocino County, including Ukiah, Hopland, Potter Valley, and Dos Rios. * WHEN...Until 9 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses to occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$
803 WWUS76 KEKA 271842 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 1142 AM PDT Sun Jun 27 2021 CAZ108-111-114-115-280245- /O.CON.KEKA.EH.W.0002.000000T0000Z-210628T0400Z/ /O.CON.KEKA.HT.Y.0004.210628T0400Z-210630T0400Z/ Southern Trinity-Northeastern Mendocino Interior-Northern Lake- Southern Lake- 1142 AM PDT Sun Jun 27 2021 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING... ...HEAT ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 9 PM PDT TUESDAY... * WHAT...For the Excessive Heat Warning today, dangerously hot conditions with high temperatures of 102 to 108, with overnight lows in the 60s. For the Heat Advisory Monday and Tuesday, high temperatures in the upper 90s and low 100s. * WHERE...Southern Trinity, Northeastern Mendocino Interior, Northern Lake and Southern Lake Counties. * WHEN...For the Excessive Heat Warning, until 9 PM PDT this evening. For the Heat Advisory, from 9 PM this evening to 9 PM PDT Tuesday. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. 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. && $$ CAZ107-280245- /O.CON.KEKA.EH.W.0002.000000T0000Z-210630T0400Z/ Northern Trinity- 1142 AM PDT Sun Jun 27 2021 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM PDT TUESDAY... * WHAT...Dangerously hot conditions. Valley high temperatures of 105 to 110 expected today, then 100 to 105 Monday and Tuesday. Overnight lows in the 60s and low 70s. * WHERE...Northern Trinity County. * WHEN...Until 9 PM PDT Tuesday. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ105-110-113-280245- /O.CON.KEKA.HT.Y.0004.000000T0000Z-210628T0400Z/ Northern Humboldt Interior-Northwestern Mendocino Interior- Southeastern Mendocino Interior- 1142 AM PDT Sun Jun 27 2021 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING... * WHAT...Valley high temperatures of 102 to 108 expected. Overnight lows near 60. * WHERE...The Northern Humboldt Interior including Willow Creek, Hoopa, and Orleans. Southeast Mendocino County, including Ukiah, Hopland, Potter Valley, and Dos Rios. * WHEN...Until 9 PM PDT this evening. * IMPACTS...Hot temperatures 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. && $$
679 WWUS76 KEKA 280232 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 732 PM PDT Sun Jun 27 2021 CAZ108-111-114-115-281045- /O.CON.KEKA.EH.W.0002.000000T0000Z-210628T0400Z/ /O.CON.KEKA.HT.Y.0004.210628T0400Z-210630T0400Z/ Southern Trinity-Northeastern Mendocino Interior-Northern Lake- Southern Lake- 732 PM PDT Sun Jun 27 2021 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING... ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT TUESDAY... * WHAT...For the Excessive Heat Warning, dangerously hot conditions with high temperatures of 102 to 108, with overnight lows in the 60s. For the Heat Advisory Monday and Tuesday, high temperatures in the upper 90s and low 100s. * WHERE...Southern Trinity, Northeastern Mendocino Interior, Southern Lake and Northern Lake Counties. * WHEN...For the Excessive Heat Warning, until 9 PM PDT this evening. For the Heat Advisory, until 9 PM PDT Tuesday. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ107-281045- /O.CON.KEKA.EH.W.0002.000000T0000Z-210630T0400Z/ Northern Trinity- 732 PM PDT Sun Jun 27 2021 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM PDT TUESDAY... * WHAT...Dangerously hot conditions. Valley high temperatures of 100 to 105 Monday and Tuesday. Overnight lows in the 60s and low 70s. * WHERE...Northern Trinity County. * WHEN...Until 9 PM PDT Tuesday. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. 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. && $$ CAZ105-110-113-280400- /O.CON.KEKA.HT.Y.0004.000000T0000Z-210628T0400Z/ Northern Humboldt Interior-Northwestern Mendocino Interior- Southeastern Mendocino Interior- 732 PM PDT Sun Jun 27 2021 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING... * WHAT...Valley high temperatures of 102 to 108 expected. Overnight lows near 60. * WHERE...Southeastern Mendocino Interior, Northwestern Mendocino Interior and Northern Humboldt Interior Counties. * WHEN...Until 9 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses to occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$
356 WWUS76 KEKA 280346 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 846 PM PDT Sun Jun 27 2021 CAZ108-111-114-115-281200- /O.EXP.KEKA.EH.W.0002.000000T0000Z-210628T0400Z/ /O.CON.KEKA.HT.Y.0004.210628T0400Z-210630T0400Z/ Southern Trinity-Northeastern Mendocino Interior-Northern Lake- Southern Lake- 846 PM PDT Sun Jun 27 2021 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT TUESDAY... * WHAT...For the Heat Advisory Monday and Tuesday, high temperatures in the upper 90s and low 100s. * WHERE...Southern Trinity, Northeastern Mendocino Interior, Southern Lake and Northern Lake Counties. * WHEN...Until 9 PM PDT Tuesday. * IMPACTS...Hot temperatures 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. && $$ CAZ105-110-113-280500- /O.EXP.KEKA.HT.Y.0004.000000T0000Z-210628T0400Z/ Northern Humboldt Interior-Northwestern Mendocino Interior- Southeastern Mendocino Interior- 846 PM PDT Sun Jun 27 2021 ...HEAT ADVISORY WILL EXPIRE AT 9 PM PDT THIS EVENING... $$ CAZ107-281200- /O.CON.KEKA.EH.W.0002.000000T0000Z-210630T0400Z/ Northern Trinity- 846 PM PDT Sun Jun 27 2021 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM PDT TUESDAY... * WHAT...Dangerously hot conditions. Valley high temperatures of 100 to 106 Monday and Tuesday. Overnight lows in the 60s and low 70s. * WHERE...Northern Trinity County. * WHEN...Until 9 PM PDT Tuesday. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. 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. && $$
968 WWUS76 KEKA 281040 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 340 AM PDT Mon Jun 28 2021 CAZ108-111-281145- /O.CAN.KEKA.HT.Y.0004.000000T0000Z-210630T0400Z/ Southern Trinity-Northeastern Mendocino Interior- 340 AM PDT Mon Jun 28 2021 ...HEAT ADVISORY IS CANCELLED... The latest forecast temperatures have lowered a bit from earlier forecasts. While it will continue to be hot this week, with high temperatures in the upper 90s to low 100s, overnight lows in the valleys will be mainly in the 50s. The overall risk of heat related illness for most individuals will be relatively low in southern Trinity and northeastern Mendocino County. $$ CAZ107-282000- /O.CON.KEKA.EH.W.0002.000000T0000Z-210630T0400Z/ Northern Trinity- 340 AM PDT Mon Jun 28 2021 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM PDT TUESDAY... * WHAT...Dangerously hot conditions. Valley high temperatures of 100 to 106 Monday and Tuesday. Overnight lows generally in the 60s. * WHERE...Northern Trinity County. * WHEN...Until 9 PM PDT Tuesday. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. 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. && $$ CAZ114-115-282000- /O.CON.KEKA.HT.Y.0004.000000T0000Z-210630T0400Z/ Northern Lake-Southern Lake- 340 AM PDT Mon Jun 28 2021 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT TUESDAY... * WHAT...High temperatures in the upper 90s and low 100s. Overnight lows mainly in the 60s. * WHERE...Lake County. * WHEN...Until 9 PM PDT Tuesday. * IMPACTS...Hot temperatures may cause heat illnesses to occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$
827 WWUS76 KEKA 281947 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 1247 PM PDT Mon Jun 28 2021 CAZ107-290400- /O.CON.KEKA.EH.W.0002.000000T0000Z-210630T0400Z/ Northern Trinity- 1247 PM PDT Mon Jun 28 2021 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM PDT TUESDAY... * WHAT...Dangerously hot conditions with temperatures up to 105. * WHERE...Northern Trinity County. * WHEN...Until 9 PM PDT Tuesday. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. 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. && $$ CAZ114-115-290400- /O.CON.KEKA.HT.Y.0004.000000T0000Z-210630T0400Z/ Northern Lake-Southern Lake- 1247 PM PDT Mon Jun 28 2021 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT TUESDAY... * WHAT...Temperatures up to 105. * WHERE...Northern Lake and Southern Lake Counties. * WHEN...Until 9 PM PDT Tuesday. * IMPACTS...Hot temperatures may cause heat illnesses to occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$
261 WWUS76 KEKA 281950 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 1250 PM PDT Mon Jun 28 2021 CAZ107-290400- /O.CON.KEKA.EH.W.0002.000000T0000Z-210630T0400Z/ Northern Trinity- 1250 PM PDT Mon Jun 28 2021 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM PDT TUESDAY... * WHAT...Dangerously hot conditions with temperatures up to 105. * WHERE...Northern Trinity County. * WHEN...Until 9 PM PDT Tuesday. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. 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. && $$ CAZ114-115-290400- /O.EXT.KEKA.HT.Y.0004.000000T0000Z-210701T0400Z/ Northern Lake-Southern Lake- 1250 PM PDT Mon Jun 28 2021 ...HEAT ADVISORY NOW IN EFFECT UNTIL 9 PM PDT WEDNESDAY... * WHAT...Temperatures up to 105. * WHERE...Northern Lake and Southern Lake Counties. * WHEN...Until 9 PM PDT Wednesday. * IMPACTS...Hot temperatures may cause heat illnesses to occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$
368 WWUS76 KEKA 290225 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 725 PM PDT Mon Jun 28 2021 CAZ107-291030- /O.CON.KEKA.EH.W.0002.000000T0000Z-210630T0400Z/ Northern Trinity- 725 PM PDT Mon Jun 28 2021 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM PDT TUESDAY... * WHAT...Dangerously hot conditions with high temperatures up to 105 and low temperatures in the 60s. * WHERE...Northern Trinity County. * WHEN...Until 9 PM PDT Tuesday. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. 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. && $$ CAZ114-115-291030- /O.CON.KEKA.HT.Y.0004.000000T0000Z-210701T0400Z/ Northern Lake-Southern Lake- 725 PM PDT Mon Jun 28 2021 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT WEDNESDAY... * WHAT...Temperatures up to 104. * WHERE...Northern Lake and Southern Lake Counties. * WHEN...Until 9 PM PDT Wednesday. * IMPACTS...Hot temperatures may cause heat illnesses to occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$
558 WWUS76 KEKA 291031 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 331 AM PDT Tue Jun 29 2021 CAZ107-292245- /O.CON.KEKA.EH.W.0002.000000T0000Z-210630T0400Z/ Northern Trinity- 331 AM PDT Tue Jun 29 2021 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING... * WHAT...Dangerously hot conditions with temperatures up to around 105 and low temperatures in the 60s. * WHERE...Northern Trinity County. * WHEN...Until 9 PM PDT this evening. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. 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. && $$ CAZ114-115-292245- /O.CON.KEKA.HT.Y.0004.000000T0000Z-210701T0400Z/ Northern Lake-Southern Lake- 331 AM PDT Tue Jun 29 2021 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT WEDNESDAY... * WHAT...Temperatures up to around 104. * WHERE...Northern Lake and Southern Lake Counties. * WHEN...Until 9 PM PDT Wednesday. * IMPACTS...Hot temperatures may cause heat illnesses to occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$
280 WWUS76 KEKA 292101 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 201 PM PDT Tue Jun 29 2021 CAZ107-301100- /O.NEW.KEKA.HT.Y.0005.210630T1800Z-210701T0400Z/ /O.CON.KEKA.EH.W.0002.000000T0000Z-210630T0400Z/ Northern Trinity- 201 PM PDT Tue Jun 29 2021 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 9 PM PDT WEDNESDAY... * WHAT...For the Excessive Heat Warning, dangerously hot conditions with temperatures up to 104. For the Heat Advisory, temperatures up to 103 expected. * WHERE...Northern Trinity County. * WHEN...For the Excessive Heat Warning, until 9 PM PDT this evening. For the Heat Advisory, from 11 AM to 9 PM PDT Wednesday. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. 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. && $$ CAZ114-115-300400- /O.EXT.KEKA.HT.Y.0004.000000T0000Z-210630T0400Z/ Northern Lake-Southern Lake- 201 PM PDT Tue Jun 29 2021 ...HEAT ADVISORY NOW IN EFFECT UNTIL 9 PM PDT THIS EVENING... * WHAT...Temperatures up to 103. * WHERE...Northern Lake and Southern Lake Counties. * WHEN...Until 9 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses to occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$
084 WWUS76 KEKA 300331 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 831 PM PDT Tue Jun 29 2021 CAZ107-301145- /O.EXP.KEKA.EH.W.0002.000000T0000Z-210630T0400Z/ /O.CON.KEKA.HT.Y.0005.210630T1800Z-210701T0400Z/ Northern Trinity- 831 PM PDT Tue Jun 29 2021 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 9 PM PDT WEDNESDAY... * WHAT...Temperatures up to 102 expected. * WHERE...Northern Trinity County. * WHEN...From 11 AM to 9 PM PDT Wednesday. * IMPACTS...Hot temperatures 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. && $$ CAZ114-115-300445- /O.EXP.KEKA.HT.Y.0004.000000T0000Z-210630T0400Z/ Northern Lake-Southern Lake- 831 PM PDT Tue Jun 29 2021 ...HEAT ADVISORY WILL EXPIRE AT 9 PM PDT THIS EVENING... $$
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 23, 5:07 PM PDT | Special Weather Statement | EKA | 23 min | |
| Jun 23, 7:55 PM PDT | Red Flag Warning | EKA | 26 hr | |
| Jun 24, 1:56 PM PDT | Excessive Heat Warning | EKA | Lake, Mendocino, Trinity | 5 days |
| Jun 24, 2:21 PM PDT | Coastal Flood Advisory | EKA | Humboldt | 12 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.