Alert archive / California / Excessive Heat Warnings in 2017
Excessive Heat Warning 2, NWS Eureka, CA
NWS Eureka, CA issued this excessive heat warning at Aug 30, 2017, 2:35 PM PDT for 4 counties in California. It took effect at Aug 31, 2017, 12:00 PM PDT. It was in force for 3 days. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 30, 2017, 2:35 PM PDT (21:35 UTC)
- In effect from
- Aug 31, 2017, 12:00 PM PDT
- Expired
- Sep 3, 2017, 9:54 PM PDT
- In force
- 3 days
- Issued by
- NWS Eureka, CA
Counties Del Norte County, CA, Humboldt County, CA, Mendocino County, CA, Trinity County, CA
The radar
The Eureka (Bunker Hill) radar (KBHX), 60 km from the middle of the area, began a volume at 21:35 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
Medford/Jackson, OR (KMFR), launched 12:00Z, 9.6 hours before the alert went out and 204 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
- 2002 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- -3 m²/s²
- 0-3 km storm-relative helicity
- 63 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
167 WWUS76 KEKA 302135 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 235 PM PDT Wed Aug 30 2017 ...PROLONGED HEATWAVE EXPECTED LATE THIS WEEK THROUGH EARLY NEXT WEEK... .A prolonged period of excessive heat is expected late this week through early next week. Afternoon interior temperatures will rise into the upper 90s to triple digits Thursday, reach peak heat Friday and Saturday, and remain above normal through at least Monday. A high risk of heat related illnesses is expected, particularly for population groups that are most sensitive to heat. CAZ107-108-110>113-311045- /O.UPG.KEKA.EH.A.0002.170831T1900Z-170905T0400Z/ /O.NEW.KEKA.EH.W.0002.170831T1900Z-170903T2100Z/ Northern Trinity-Southern Trinity-Northwestern Mendocino Interior- Northeastern Mendocino Interior-Southwestern Mendocino Interior- Southeastern Mendocino Interior- 235 PM PDT Wed Aug 30 2017 ...EXCESSIVE HEAT WARNING IN EFFECT FROM NOON THURSDAY TO 2 PM PDT SUNDAY... The National Weather Service in Eureka has issued an Excessive Heat Warning...which is in effect from noon Thursday to 2 PM PDT Sunday. The Excessive Heat Watch is no longer in effect. * LOCATIONS INCLUDE...Weaverville...Burnt Ranch...Trinity Center...Hayfork...Ruth...Leggett...Laytonville...Willits... Covelo...Boonville...Comptche...Ukiah...Hopland.... * TEMPERATURES...High temperatures between 100 and 115 with overnight lows in the 60s in the valleys and 70s on the ridges. * IMPACTS...Moderate to high risk of heat illness for those who are sensitive to heat or for those who are exposed to the sun and active for long durations. This heat will also be dangerous to anyone without proper hydration or adequate cooling. Heat stress is possible for livestock and outdoor pets. * FOR A DETAILED VIEW OF THE HAZARD AREA...visit http://www.wrh.noaa.gov/map PRECAUTIONARY/PREPAREDNESS ACTIONS... An Excessive Heat Warning means that a prolonged period of dangerously hot temperatures will occur. The combination of hot temperatures and high humidity will combine to create a dangerous situation in which heat illnesses are likely. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear light weight and loose fitting clothing when possible and drink plenty of water. To reduce risk during outdoor work the occupational safety and health administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency - call 911. && $$ CAZ102-104>106-311045- /O.EXT.KEKA.EH.A.0002.170901T1800Z-170903T2100Z/ Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- 235 PM PDT Wed Aug 30 2017 ...EXCESSIVE HEAT WATCH NOW IN EFFECT FROM FRIDAY MORNING THROUGH SUNDAY AFTERNOON... * LOCATIONS INCLUDE...Gasquet...Orleans...Willow ...Creek... Petrolia...Honeydew...Ettersberg...Garberville...Bridgeville. * TEMPERATURES...High temperatures between 100 and 110 with overnight lows in the 50 and 60s. * IMPACTS...Moderate to high risk of heat illness for those who are sensitive to heat or for those who are exposed to the sun and active for long durations. This heat will also be dangerous to anyone without proper hydration or adequate cooling. Heat stress is possible for livestock and outdoor pets. * FOR A DETAILED VIEW OF THE HAZARD AREA...visit http://www.wrh.noaa.gov/map $$
13 follow-up statements
982 WWUS76 KEKA 311051 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 351 AM PDT Thu Aug 31 2017 ...PROLONGED HEATWAVE EXPECTED LATE THIS WEEK THROUGH EARLY NEXT WEEK... .A prolonged period of excessive heat is expected late this week through early next week. Afternoon interior temperatures will rise into the upper 90s to triple digits Thursday, reach peak heat Friday and Saturday, and remain above normal through at least Monday. A high risk of heat related illnesses is expected, particularly for population groups that are most sensitive to heat. CAZ102-104>106-010000- /O.UPG.KEKA.EH.A.0002.170901T1800Z-170903T2100Z/ /O.NEW.KEKA.HT.Y.0006.170831T1900Z-170901T1900Z/ /O.EXB.KEKA.EH.W.0002.170901T1900Z-170904T0300Z/ Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- 351 AM PDT Thu Aug 31 2017 ...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO NOON PDT FRIDAY... ...EXCESSIVE HEAT WARNING IN EFFECT FROM NOON FRIDAY TO 8 PM PDT SUNDAY... The National Weather Service in Eureka has issued an Excessive Heat Warning...which is in effect from noon Friday to 8 PM PDT Sunday. a Heat Advisory has also been issued. This Heat Advisory is in effect from noon today to noon PDT Friday. The Excessive Heat Watch is no longer in effect. * LOCATIONS INCLUDE...Gasquet...Petrolia...Honeydew... Ettersberg...Orleans...Willow Creek...Garberville... Bridgeville. * TEMPERATURES...High temperatures between 95 and 103 today...and between 103 and 113 Friday, Saturday and Sunday. Overnight lows ranging from the upper 50s in deep valleys to near 70 in higher terrain. * IMPACTS...Moderate to high risk of heat illness for those who are sensitive to heat or for those who are exposed to the sun and active for long durations. This heat will also be dangerous to anyone without proper hydration or adequate cooling. Heat stress is possible for livestock and outdoor pets. * FOR A DETAILED VIEW OF THE HAZARD AREA...visit http://www.wrh.noaa.gov/map PRECAUTIONARY/PREPAREDNESS ACTIONS... An Excessive Heat Warning means that a prolonged period of dangerously hot temperatures will occur. The combination of hot temperatures and high humidity will combine to create a dangerous situation in which heat illnesses are likely. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear light weight and loose fitting clothing when possible and drink plenty of water. To reduce risk during outdoor work the occupational safety and health administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency - call 911. && $$ CAZ107-108-110>113-010000- /O.EXT.KEKA.EH.W.0002.170831T1900Z-170904T0300Z/ Northern Trinity-Southern Trinity-Northwestern Mendocino Interior- Northeastern Mendocino Interior-Southwestern Mendocino Interior- Southeastern Mendocino Interior- 351 AM PDT Thu Aug 31 2017 ...EXCESSIVE HEAT WARNING NOW IN EFFECT FROM NOON TODAY TO 8 PM PDT SUNDAY... * LOCATIONS INCLUDE...Hayfork...Ruth...Boonville...Comptche... Ukiah...Hopland...Leggett...Laytonville...Willits...Covelo... Weaverville...Burnt ...Ranch...Trinity Center. * TEMPERATURES...High temperatures between 100 and 107 today...and between 105 and 115 Friday, Saturday and Sunday. Overnight lows ranging from the upper 50s in deep valleys to near 70 in higher terrain. * IMPACTS...High risk of heat illness for those who are sensitive to heat or for those who are exposed to the sun and active for long durations. This heat will also be dangerous to anyone without proper hydration or adequate cooling. Heat stress is possible for livestock and outdoor pets. * FOR A DETAILED VIEW OF THE HAZARD AREA...visit http://www.wrh.noaa.gov/map PRECAUTIONARY/PREPAREDNESS ACTIONS... An Excessive Heat Warning means that a prolonged period of dangerously hot temperatures will occur. The combination of hot temperatures and high humidity will combine to create a dangerous situation in which heat illnesses are likely. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear light weight and loose fitting clothing when possible and drink plenty of water. To reduce risk during outdoor work the occupational safety and health administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency - call 911. $$
581 WWUS76 KEKA 312213 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 313 PM PDT Thu Aug 31 2017 ...PROLONGED HEATWAVE EXPECTED LATE THIS WEEK THROUGH EARLY NEXT WEEK... .A prolonged period of excessive heat is expected late this week through early next week. Afternoon interior temperatures will rise into the upper 90s to triple digits Thursday, reach peak heat Friday and Saturday, and remain above normal through at least Monday. A high risk of heat related illnesses is expected, particularly for population groups that are most sensitive to heat. CAZ102-104>106-011115- /O.CON.KEKA.EH.W.0002.170901T1900Z-170904T0300Z/ /O.CON.KEKA.HT.Y.0006.000000T0000Z-170901T1900Z/ Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- 313 PM PDT Thu Aug 31 2017 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL NOON PDT FRIDAY... ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM NOON FRIDAY TO 8 PM PDT SUNDAY... * LOCATIONS INCLUDE...Gasquet...Orleans...Willow ...Creek... Petrolia...Honeydew...Ettersberg...Garberville...Bridgeville. * TEMPERATURES...High temperatures between 95 and 103 today...and between 103 and 113 Friday, Saturday and Sunday. Overnight lows ranging from the upper 50s in deep valleys to near 70 in higher terrain. * IMPACTS...Moderate to high risk of heat illness for those who are sensitive to heat or for those who are exposed to the sun and active for long durations. This heat will also be dangerous to anyone without proper hydration or adequate cooling. Heat stress is possible for livestock and outdoor pets. * FOR A DETAILED VIEW OF THE HAZARD AREA...visit http://www.wrh.noaa.gov/map $$ CAZ107-108-110>113-011115- /O.CON.KEKA.EH.W.0002.000000T0000Z-170904T0300Z/ Northern Trinity-Southern Trinity-Northwestern Mendocino Interior- Northeastern Mendocino Interior-Southwestern Mendocino Interior- Southeastern Mendocino Interior- 313 PM PDT Thu Aug 31 2017 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SUNDAY... * LOCATIONS INCLUDE...Hayfork...Ruth...Boonville...Comptche... Ukiah...Hopland...Leggett...Laytonville...Willits...Covelo... Weaverville...Burnt...Ranch...Trinity Center. * TEMPERATURES...High temperatures between 100 and 107 today...and between 105 and 115 Friday, Saturday and Sunday. Overnight lows ranging from the upper 50s in deep valleys to near 70 in higher terrain. * IMPACTS...Moderate to high risk of heat illness for those who are sensitive to heat or for those who are exposed to the sun and active for long durations. This heat will also be dangerous to anyone without proper hydration or adequate cooling. Heat stress is possible for livestock and outdoor pets. * FOR A DETAILED VIEW OF THE HAZARD AREA...visit http://www.wrh.noaa.gov/map $$
090 WWUS76 KEKA 312223 CCA NPWEKA URGENT - WEATHER MESSAGE...CORRECTED National Weather Service Eureka CA 323 PM PDT Thu Aug 31 2017 ...PROLONGED HEATWAVE EXPECTED LATE THIS WEEK THROUGH EARLY NEXT WEEK... .A prolonged period of excessive heat is expected late this week through early next week. Afternoon interior temperatures will rise into the upper 90s to triple digits Thursday, reach peak heat Friday and Saturday, and remain above normal through at least Monday. A high risk of heat related illnesses is expected, particularly for population groups that are most sensitive to heat. CAZ102-104>106-011115- /O.CON.KEKA.EH.W.0002.170901T1900Z-170904T0300Z/ /O.CON.KEKA.HT.Y.0006.000000T0000Z-170901T1900Z/ Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- 323 PM PDT Thu Aug 31 2017 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL NOON PDT FRIDAY... ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM NOON FRIDAY TO 8 PM PDT SUNDAY... * LOCATIONS INCLUDE...Gasquet...Orleans...Willow ...Creek... Petrolia...Honeydew...Ettersberg...Garberville...Bridgeville. * TEMPERATURES...High temperatures between 95 and 103 today...and between 103 and 113 Friday, Saturday and Sunday. Overnight lows ranging from the upper 50s in deep valleys to near 70 in higher terrain. * IMPACTS...Moderate to high risk of heat illness for those who are sensitive to heat or for those who are exposed to the sun and active for long durations. This heat will also be dangerous to anyone without proper hydration or adequate cooling. Heat stress is possible for livestock and outdoor pets. * FOR A DETAILED VIEW OF THE HAZARD AREA...visit http://www.wrh.noaa.gov/map $$ CAZ107-108-110>113-011115- /O.COR.KEKA.EH.W.0002.000000T0000Z-170904T0300Z/ Northern Trinity-Southern Trinity-Northwestern Mendocino Interior- Northeastern Mendocino Interior-Southwestern Mendocino Interior- Southeastern Mendocino Interior- 323 PM PDT Thu Aug 31 2017 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SUNDAY... * LOCATIONS INCLUDE...Hayfork...Ruth...Boonville...Comptche... Ukiah...Hopland...Leggett...Laytonville...Willits...Covelo... Weaverville...Burnt...Ranch...Trinity Center. * TEMPERATURES...High temperatures between 100 and 107 today...and between 105 and 115 Friday, Saturday and Sunday. Overnight lows ranging from the upper 50s in deep valleys to near 70 in higher terrain. Local areas with heavy smoke may see slightly cooler temperatures. * IMPACTS...Moderate to high risk of heat illness for those who are sensitive to heat or for those who are exposed to the sun and active for long durations. This heat will also be dangerous to anyone without proper hydration or adequate cooling. Heat stress is possible for livestock and outdoor pets. * FOR A DETAILED VIEW OF THE HAZARD AREA...visit http://www.wrh.noaa.gov/map $$
289 WWUS76 KEKA 011105 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 405 AM PDT Fri Sep 1 2017 ...PROLONGED HEATWAVE EXPECTED LATE THIS WEEK THROUGH EARLY NEXT WEEK... .A prolonged period of excessive heat is expected late this week through early next week. Afternoon interior temperatures will rise into the upper 90s to triple digits Thursday, reach peak heat Friday and Saturday, and remain above normal through at least Monday. A high risk of heat related illnesses is expected, particularly for population groups that are most sensitive to heat. CAZ102-104>106-020015- /O.CON.KEKA.EH.W.0002.170901T1900Z-170904T0300Z/ /O.CON.KEKA.HT.Y.0006.000000T0000Z-170901T1900Z/ Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- 405 AM PDT Fri Sep 1 2017 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL NOON PDT TODAY... ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM PDT SUNDAY... * LOCATIONS INCLUDE...Gasquet...Orleans...Willow ...Creek... Petrolia...Honeydew...Ettersberg...Garberville...Bridgeville. * TEMPERATURES...High temperatures between 100 and 113 today, Saturday and Sunday. Overnight lows ranging from the upper 50s in deep valleys to near 70 in higher terrain. * IMPACTS...Moderate to high risk of heat illness for those who are sensitive to heat or for those who are exposed to the sun and active for long durations. This heat will also be dangerous to anyone without proper hydration or adequate cooling. Heat stress is possible for livestock and outdoor pets. * IMPACTS...Moderate risk of heat illness for those who are sensitive to heat or for those who are exposed to the sun and active for long durations. This heat will also be dangerous to anyone without proper hydration or adequate cooling. Heat stress is possible for livestock and outdoor pets. * FOR A DETAILED VIEW OF THE HAZARD AREA...visit http://www.wrh.noaa.gov/map $$ CAZ107-108-110>113-020015- /O.CON.KEKA.EH.W.0002.000000T0000Z-170904T0300Z/ Northern Trinity-Southern Trinity-Northwestern Mendocino Interior- Northeastern Mendocino Interior-Southwestern Mendocino Interior- Southeastern Mendocino Interior- 405 AM PDT Fri Sep 1 2017 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SUNDAY... * LOCATIONS INCLUDE...Hayfork...Ruth...Boonville...Comptche... Ukiah...Hopland...Leggett...Laytonville...Willits...Covelo... Weaverville...Burnt...Ranch...Trinity Center. * TEMPERATURES...High temperatures between 105 and 115 today, Saturday and Sunday. Overnight lows ranging from the upper 50s in deep valleys to near 70 in higher terrain. Local areas with heavy smoke may see slightly cooler temperatures. * IMPACTS...Moderate to high risk of heat illness for those who are sensitive to heat or for those who are exposed to the sun and active for long durations. This heat will also be dangerous to anyone without proper hydration or adequate cooling. Heat stress is possible for livestock and outdoor pets. * FOR A DETAILED VIEW OF THE HAZARD AREA...visit http://www.wrh.noaa.gov/map $$
957 WWUS76 KEKA 011902 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 1202 PM PDT Fri Sep 1 2017 ...PROLONGED HEATWAVE EXPECTED THROUGH EARLY NEXT WEEK... .A prolonged period of excessive heat is expected through early next week. Afternoon interior temperatures will peak today and Saturday, and remain above normal through at least Monday. A high risk of heat related illnesses is expected, particularly for population groups that are most sensitive to heat. CAZ102-104>106-021115- /O.EXP.KEKA.HT.Y.0006.000000T0000Z-170901T1900Z/ /O.CON.KEKA.EH.W.0002.000000T0000Z-170904T0300Z/ Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- 1202 PM PDT Fri Sep 1 2017 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SUNDAY... * LOCATIONS INCLUDE...Gasquet...Orleans...Willow ...Creek... Petrolia...Honeydew...Ettersberg...Garberville...Bridgeville. * TEMPERATURES...High temperatures between 100 and 113 today, Saturday and Sunday. Overnight lows ranging from the upper 50s in deep valleys to near 70 in higher terrain. Local areas with heavy smoke may see slightly cooler temperatures. * IMPACTS...Moderate to high risk of heat illness for those who are sensitive to heat or for those who are exposed to the sun and active for long durations. This heat will also be dangerous to anyone without proper hydration or adequate cooling. Heat stress is possible for livestock and outdoor pets. * FOR A DETAILED VIEW OF THE HAZARD AREA...visit http://www.wrh.noaa.gov/map && $$ CAZ107-108-110>113-021115- /O.CON.KEKA.EH.W.0002.000000T0000Z-170904T0300Z/ Northern Trinity-Southern Trinity-Northwestern Mendocino Interior- Northeastern Mendocino Interior-Southwestern Mendocino Interior- Southeastern Mendocino Interior- 1202 PM PDT Fri Sep 1 2017 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SUNDAY... * LOCATIONS INCLUDE...Hayfork...Ruth...Boonville...Comptche... Ukiah...Hopland...Leggett...Laytonville...Willits...Covelo... Weaverville...Burnt ...Ranch...Trinity Center. * TEMPERATURES...High temperatures between 105 and 115 today, Saturday and Sunday. Overnight lows ranging from the upper 50s in deep valleys to near 70 in higher terrain. Local areas with heavy smoke may see slightly cooler temperatures. * IMPACTS...Moderate to high risk of heat illness for those who are sensitive to heat or for those who are exposed to the sun and active for long durations. This heat will also be dangerous to anyone without proper hydration or adequate cooling. Heat stress is possible for livestock and outdoor pets. * FOR A DETAILED VIEW OF THE HAZARD AREA...visit http://www.wrh.noaa.gov/map $$
479 WWUS76 KEKA 012119 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 219 PM PDT Fri Sep 1 2017 ...PROLONGED HEATWAVE EXPECTED THROUGH EARLY NEXT WEEK... .A prolonged period of excessive heat is expected through early next week. Afternoon interior temperatures will peak this afternoon and Saturday, and remain above normal through at least Monday. A high risk of heat related illnesses is expected, particularly for population groups that are most sensitive to heat. CAZ102-104>108-110>113-021030- /O.CON.KEKA.EH.W.0002.000000T0000Z-170904T0300Z/ Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- Northern Trinity-Southern Trinity-Northwestern Mendocino Interior- Northeastern Mendocino Interior-Southwestern Mendocino Interior- Southeastern Mendocino Interior- 219 PM PDT Fri Sep 1 2017 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SUNDAY... * LOCATIONS INCLUDE...Hayfork...Ruth...Gasquet...Boonville... Comptche...Ukiah...Hopland...Leggett...Laytonville...Willits... Covelo...Orleans...Willow ...Creek...Petrolia...Honeydew... Ettersberg...Weaverville...Burnt Ranch...Trinity Center... Garberville...Bridgeville. * TEMPERATURES...High temperatures between 105 and 115 today, Saturday and Sunday. Overnight lows ranging from the upper 50s in deep valleys to near 70 in higher terrain. Local areas with heavy smoke may see slightly cooler temperatures. * IMPACTS...Moderate to high risk of heat illness for those who are sensitive to heat or for those who are exposed to the sun and active for long durations. This heat will also be dangerous to anyone without proper hydration or adequate cooling. Heat stress is possible for livestock and outdoor pets. * FOR A DETAILED VIEW OF THE HAZARD AREA...visit http://www.wrh.noaa.gov/map $$
090 WWUS76 KEKA 021319 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 619 AM PDT Sat Sep 2 2017 ...PROLONGED HEATWAVE EXPECTED THROUGH EARLY NEXT WEEK... .A prolonged period of excessive heat is expected through early next week. Afternoon interior temperatures will peak this afternoon and Saturday, and remain above normal through at least Monday. A high risk of heat related illnesses is expected, particularly for population groups that are most sensitive to heat. CAZ102-104>108-110>113-030230- /O.CON.KEKA.EH.W.0002.000000T0000Z-170904T0300Z/ Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- Northern Trinity-Southern Trinity-Northwestern Mendocino Interior- Northeastern Mendocino Interior-Southwestern Mendocino Interior- Southeastern Mendocino Interior- 619 AM PDT Sat Sep 2 2017 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SUNDAY... * LOCATIONS INCLUDE...Hayfork...Ruth...Gasquet...Boonville... Comptche...Ukiah...Hopland...Leggett...Laytonville...Willits... Covelo...Orleans...Willow ...Creek...Petrolia...Honeydew... Ettersberg...Weaverville...Burnt Ranch...Trinity Center... Garberville...Bridgeville. * TEMPERATURES...High temperatures between 105 and 115 today and Sunday. Overnight lows ranging from the upper 50s in deep valleys to near 70 in higher terrain. Local areas with heavy smoke may see slightly cooler temperatures. * IMPACTS...Moderate to high risk of heat illness for those who are sensitive to heat or for those who are exposed to the sun and active for long durations. This heat will also be dangerous to anyone without proper hydration or adequate cooling. Heat stress is possible for livestock and outdoor pets. * FOR A DETAILED VIEW OF THE HAZARD AREA...visit http://www.wrh.noaa.gov/map $$
419 WWUS76 KEKA 021741 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 1041 AM PDT Sat Sep 2 2017 ...PROLONGED HEATWAVE EXPECTED THROUGH EARLY NEXT WEEK... .A prolonged period of excessive heat is expected through early next week. The heat will peak today but temperatures will remain above normal through at least Monday. A high risk of heat related illnesses is expected, particularly for population groups that are most sensitive to heat. CAZ102-104>108-110>113-030645- /O.CON.KEKA.EH.W.0002.000000T0000Z-170904T0300Z/ Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- Northern Trinity-Southern Trinity-Northwestern Mendocino Interior- Northeastern Mendocino Interior-Southwestern Mendocino Interior- Southeastern Mendocino Interior- 1041 AM PDT Sat Sep 2 2017 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SUNDAY... * LOCATIONS INCLUDE...Hayfork...Ruth...Gasquet...Ukiah... ... Hopland...Covelo...Willow ...Creek...Orleans...Patrolia... Honeydew...Ettersberg...Weaverville...Burnt Ranch...Trinity Center...Garberville...Bridgeville...Boonville...Comptche... Legget...Laytonville...Willits. * TEMPERATURES...High temperatures between 105 and 115 today and Sunday. Overnight lows ranging from the upper 50s in deep valleys to 70 to 80 degrees in the higher terrain. Local areas with heavy smoke may see slightly cooler temperatures. * IMPACTS...Moderate to high risk of heat illness for those who are sensitive to heat or for those who are exposed to the sun and active for long durations. This heat will also be dangerous to anyone without proper hydration or adequate cooling. Heat stress is possible for livestock and outdoor pets. * FOR A DETAILED VIEW OF THE HAZARD AREA...visit http://www.wrh.noaa.gov/map An Excessive Heat Warning means that a prolonged period of dangerously hot temperatures will occur. The combination of hot temperatures and high humidity will combine to create a dangerous situation in which heat illnesses are likely. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. $$ CAZ101-103-109-030200- /O.NEW.KEKA.HT.Y.0007.170902T1741Z-170903T0200Z/ Coastal Del Norte-Northern Humboldt Coast-Mendocino Coast- 1041 AM PDT Sat Sep 2 2017 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM PDT THIS EVENING... The National Weather Service in Eureka has issued a Heat Advisory...which is in effect until 7 PM PDT this evening. * LOCATIONS INCLUDE...Smith River...McKinleyville...Arcata... Eureka...Fortuna...Fort Bragg...Mendocino. * TEMPERATURES...High temperatures today between 80 and 90 with overnight lows tonight in the upper 50s and lower 60s. Some localized areas may reach the mid 90s for highs today. * IMPACTS...Moderate risk of heat illness for those who are sensitive to heat or for those who are exposed to the sun and active for long durations. This heat will also be dangerous to anyone without proper hydration or adequate cooling. Heat stress is possible for livestock and outdoor pets. * FOR A DETAILED VIEW OF THE HAZARD AREA...visit http://www.wrh.noaa.gov/map PRECAUTIONARY/PREPAREDNESS ACTIONS... A Heat Advisory means that a period of hot temperatures is expected. The combination of hot temperatures and high humidity will combine to create a situation in which heat illnesses are possible. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$
324 WWUS76 KEKA 021818 CCA NPWEKA URGENT - WEATHER MESSAGE...CORRECTED National Weather Service Eureka CA 1118 AM PDT Sat Sep 2 2017 ...PROLONGED HEATWAVE EXPECTED THROUGH EARLY NEXT WEEK... .A prolonged period of excessive heat is expected through early next week. The heat will peak today but temperatures will remain above normal through at least Monday. A high risk of heat related illnesses is expected, particularly for population groups that are most sensitive to heat. CAZ102-104>108-110>113-030645- /O.CON.KEKA.EH.W.0002.000000T0000Z-170904T0300Z/ Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- Northern Trinity-Southern Trinity-Northwestern Mendocino Interior- Northeastern Mendocino Interior-Southwestern Mendocino Interior- Southeastern Mendocino Interior- 1118 AM PDT Sat Sep 2 2017 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SUNDAY... * LOCATIONS INCLUDE...Hayfork...Ruth...Gasquet...Ukiah... ... Hopland...Covelo...Willow ...Creek...Orleans...Patrolia... Honeydew...Ettersberg...Weaverville...Burnt Ranch...Trinity Center...Garberville...Bridgeville...Boonville...Comptche... Legget...Laytonville...Willits. * TEMPERATURES...High temperatures between 105 and 115 today and Sunday. Overnight lows ranging from the upper 50s in deep valleys to 70 to 80 degrees in the higher terrain. Local areas with heavy smoke may see slightly cooler temperatures. * IMPACTS...Moderate to high risk of heat illness for those who are sensitive to heat or for those who are exposed to the sun and active for long durations. This heat will also be dangerous to anyone without proper hydration or adequate cooling. Heat stress is possible for livestock and outdoor pets. * FOR A DETAILED VIEW OF THE HAZARD AREA...visit http://www.wrh.noaa.gov/map An Excessive Heat Warning means that a prolonged period of dangerously hot temperatures will occur. The combination of hot temperatures and high humidity will combine to create a dangerous situation in which heat illnesses are likely. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. $$ CAZ101-103-109-030200- /O.COR.KEKA.HT.Y.0007.170902T1817Z-170903T0200Z/ Coastal Del Norte-Northern Humboldt Coast-Mendocino Coast- 1118 AM PDT Sat Sep 2 2017 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM PDT THIS EVENING... The National Weather Service in Eureka has issued a Heat Advisory...which is in effect until 7 PM PDT this evening. * LOCATIONS INCLUDE...Smith River...Crescent City... McKinleyville...Arcata...Eureka...Fortuna...Fort Bragg and Mendocino. * TEMPERATURES...High temperatures today between 80 and 90 with overnight lows tonight in the upper 50s and lower 60s. Some localized areas may reach the mid 90s for highs today. * IMPACTS...Moderate risk of heat illness for those who are sensitive to heat or for those who are exposed to the sun and active for long durations. This heat will also be dangerous to anyone without proper hydration or adequate cooling. Heat stress is possible for livestock and outdoor pets. * FOR A DETAILED VIEW OF THE HAZARD AREA...visit http://www.wrh.noaa.gov/map PRECAUTIONARY/PREPAREDNESS ACTIONS... A Heat Advisory means that a period of hot temperatures is expected. The combination of hot temperatures and high humidity will combine to create a situation in which heat illnesses are possible. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$
010 WWUS76 KEKA 030211 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 711 PM PDT Sat Sep 2 2017 ...PROLONGED HEATWAVE EXPECTED THROUGH EARLY NEXT WEEK... .A prolonged period of excessive heat is expected through early next week. The heat will peak today but temperatures will remain above normal through at least Monday. A high risk of heat related illnesses is expected, particularly for population groups that are most sensitive to heat. CAZ101-103-109-030315- /O.EXP.KEKA.HT.Y.0007.000000T0000Z-170903T0200Z/ Coastal Del Norte-Northern Humboldt Coast-Mendocino Coast- 711 PM PDT Sat Sep 2 2017 ...HEAT ADVISORY HAS EXPIRED... $$ CAZ102-104>108-110>113-031515- /O.CON.KEKA.EH.W.0002.000000T0000Z-170904T0300Z/ Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- Northern Trinity-Southern Trinity-Northwestern Mendocino Interior- Northeastern Mendocino Interior-Southwestern Mendocino Interior- Southeastern Mendocino Interior- 711 PM PDT Sat Sep 2 2017 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SUNDAY... * LOCATIONS INCLUDE...Hayfork...Ruth...Gasquet...Ukiah... Hopland...Covelo...Willow Creek...Orleans...Patrolia... Honeydew...Ettersberg...Weaverville...Burnt Ranch...Trinity Center...Garberville...Bridgeville...Boonville...Comptche... Legget...Laytonville...Willits. * TEMPERATURES...Overnight lows ranging from the upper 50s in deep valleys to 70 to 80 degrees in the higher terrain. High temperatures between 105 and 115 on Sunday. Local areas with heavy smoke may see cooler temperatures. * IMPACTS...Moderate to high risk of heat illness for those who are sensitive to heat or for those who are exposed to the sun and active for long durations. This heat will also be dangerous to anyone without proper hydration or adequate cooling. Heat stress is possible for livestock and outdoor pets. * FOR A DETAILED VIEW OF THE HAZARD AREA...visit http://www.wrh.noaa.gov/map $$
119 WWUS76 KEKA 031057 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 357 AM PDT Sun Sep 3 2017 ...PROLONGED HEATWAVE EXPECTED THROUGH EARLY NEXT WEEK... .A prolonged period of excessive heat is expected through this evening. The heat will peak today but temperatures will remain above normal through at least Monday. A high risk of heat related illnesses is expected, particularly for population groups that are most sensitive to heat. CAZ102-104>108-110>113-040000- /O.EXT.KEKA.EH.W.0002.000000T0000Z-170904T0500Z/ Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- Northern Trinity-Southern Trinity-Northwestern Mendocino Interior- Northeastern Mendocino Interior-Southwestern Mendocino Interior- Southeastern Mendocino Interior- 357 AM PDT Sun Sep 3 2017 ...EXCESSIVE HEAT WARNING NOW IN EFFECT UNTIL 10 PM PDT THIS EVENING... * LOCATIONS INCLUDE...Hayfork...Ruth...Gasquet...Ukiah... ... Hopland...Covelo...Orleans...Willow ...Creek...Petrolia... Honeydew...Ettersberg...Weaverville...Burnt Ranch...Trinity Center...Garberville...Bridgeville...Boonville...Comptche... Leggett...Laytonville...Willits. * TEMPERATURES...High temperatures between 100 and 110 are likely today. Local areas with heavy smoke may see slightly cooler temperatures. * IMPACTS...Moderate to high risk of heat illness for those who are sensitive to heat or for those who are exposed to the sun and active for long durations. This heat will also be dangerous to anyone without proper hydration or adequate cooling. Heat stress is possible for livestock and outdoor pets. * FOR A DETAILED VIEW OF THE HAZARD AREA...visit http://www.wrh.noaa.gov/map $$ CAZ101-103-109-040000- /O.NEW.KEKA.HT.Y.0008.170903T1700Z-170904T0500Z/ Coastal Del Norte-Northern Humboldt Coast-Mendocino Coast- 357 AM PDT Sun Sep 3 2017 ...HEAT ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 10 PM PDT THIS EVENING... The National Weather Service in Eureka has issued a Heat Advisory...which is in effect from 10 AM this morning to 10 PM PDT this evening. * LOCATIONS INCLUDE...Crescent City...Arcata...Eureka... Fortuna...Fort ...Bragg...Point Arena. * TEMPERATURES...High temperatures between 80 and 95 are likely today. Local areas with heavy smoke may see slightly cooler temperatures. * IMPACTS...Moderate risk of heat illness for those who are sensitive to heat or for those who are exposed to the sun and active for long durations. This heat will also be dangerous to anyone without proper hydration or adequate cooling. Heat stress is possible for livestock and outdoor pets. * FOR A DETAILED VIEW OF THE HAZARD AREA...visit http://www.wrh.noaa.gov/map PRECAUTIONARY/PREPAREDNESS ACTIONS... A Heat Advisory means that a period of hot temperatures is expected. The combination of hot temperatures and high humidity will combine to create a situation in which heat illnesses are possible. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear light weight and loose fitting clothing when possible and drink plenty of water. To reduce risk during outdoor work the occupational safety and health administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency - call 911. && $$
686 WWUS76 KEKA 040008 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 508 PM PDT Sun Sep 3 2017 ...PROLONGED HEATWAVE EXPECTED THROUGH EARLY NEXT WEEK... .A prolonged period of excessive heat is expected through this evening. The heat will peak today but temperatures will remain above normal through at least Monday. A high risk of heat related illnesses is expected, particularly for population groups that are most sensitive to heat. CAZ102-104>108-110>113-040500- /O.CON.KEKA.EH.W.0002.000000T0000Z-170904T0500Z/ Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- Northern Trinity-Southern Trinity-Northwestern Mendocino Interior- Northeastern Mendocino Interior-Southwestern Mendocino Interior- Southeastern Mendocino Interior- 508 PM PDT Sun Sep 3 2017 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING... * LOCATIONS INCLUDE...Hayfork...Ruth...Gasquet...Ukiah... ... Hopland...Covelo...Orleans...Willow ...Creek...Petrolia... Honeydew...Ettersberg...Weaverville...Burnt Ranch...Trinity Center...Garberville...Bridgeville...Boonville...Comptche... Leggett...Laytonville...Willits. * TEMPERATURES...High temperatures between 100 and 110 are likely today. Local areas with heavy smoke may see slightly cooler temperatures. * IMPACTS...Moderate to high risk of heat illness for those who are sensitive to heat or for those who are exposed to the sun and active for long durations. This heat will also be dangerous to anyone without proper hydration or adequate cooling. Heat stress is possible for livestock and outdoor pets. * FOR A DETAILED VIEW OF THE HAZARD AREA...visit http://www.wrh.noaa.gov/map $$ CAZ101-103-109-040500- /O.CON.KEKA.HT.Y.0008.000000T0000Z-170904T0500Z/ Coastal Del Norte-Northern Humboldt Coast-Mendocino Coast- 508 PM PDT Sun Sep 3 2017 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING... * LOCATIONS INCLUDE...Crescent City...Arcata...Eureka... Fortuna...Fort ...Bragg...Point Arena. * TEMPERATURES...High temperatures between 80 and 95 are likely today. Local areas with heavy smoke may see slightly cooler temperatures. * IMPACTS...Moderate risk of heat illness for those who are sensitive to heat or for those who are exposed to the sun and active for long durations. This heat will also be dangerous to anyone without proper hydration or adequate cooling. Heat stress is possible for livestock and outdoor pets. * FOR A DETAILED VIEW OF THE HAZARD AREA...visit http://www.wrh.noaa.gov/map $$
533 WWUS76 KEKA 040454 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 954 PM PDT Sun Sep 3 2017 CAZ102-104>108-110>113-040600- /O.CAN.KEKA.EH.W.0002.000000T0000Z-170904T0500Z/ Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- Northern Trinity-Southern Trinity-Northwestern Mendocino Interior- Northeastern Mendocino Interior-Southwestern Mendocino Interior- Southeastern Mendocino Interior- 954 PM PDT Sun Sep 3 2017 ...EXCESSIVE HEAT WARNING IS CANCELLED... The National Weather Service in Eureka has cancelled the Excessive Heat Warning. $$ CAZ101-103-109-040600- /O.EXP.KEKA.HT.Y.0008.000000T0000Z-170904T0500Z/ Coastal Del Norte-Northern Humboldt Coast-Mendocino Coast- 954 PM PDT Sun Sep 3 2017 ...HEAT ADVISORY WILL EXPIRE AT 10 PM PDT THIS EVENING... $$
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 30, 2:48 AM PDT | Gale Watch | EKA | 12 hr | |
| Aug 30, 3:21 AM PDT | Fire Weather Watch | EKA | 12 hr | |
| Aug 30, 2:22 PM PDT | Gale Warning | EKA | 37 hr | |
| Aug 30, 3:15 PM PDT | Fire Weather Watch | EKA | 12 hr | |
| Aug 30, 3:15 PM PDT | Red Flag Warning | EKA | 42 hr |
Nearby
Excessive Heat Warnings in California, 2017Every excessive heat warning in 2017
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.