Alert archive / California / Heat Advisories in 2021
Heat Advisory 1, NWS Eureka, CA
NWS Eureka, CA issued this heat advisory at May 28, 2021, 2:16 PM PDT for Lake County, Mendocino County, Trinity County, California. It took effect at May 31, 2021, 11:00 AM PDT. It was in force for 33 hr.
The area
The counties it named.
The facts
- Issued
- May 28, 2021, 2:16 PM PDT (21:16 UTC)
- In effect from
- May 31, 2021, 11:00 AM PDT
- Expired
- Jun 1, 2021, 8:00 PM PDT
- In force
- 33 hr
- Issued by
- NWS Eureka, CA
Counties Lake County, CA, Mendocino County, CA, Trinity County, CA
The radar
The Beale AFB radar (KBBX), 128 km from the middle of the area, began a volume at 21:15 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, 9.3 hours before the alert went out and 235 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 581 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 63 m²/s²
- 0-3 km storm-relative helicity
- 68 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
986 WWUS76 KEKA 282116 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 216 PM PDT Fri May 28 2021 CAZ111-113>115-290730- /O.NEW.KEKA.HT.Y.0001.210531T1800Z-210601T0600Z/ Northeastern Mendocino Interior-Southeastern Mendocino Interior- Northern Lake-Southern Lake- 216 PM PDT Fri May 28 2021 ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 11 PM MONDAY... * WHAT...High temperatures exceeding 100 degrees. * WHERE...The valleys of Northeastern Mendocino Interior, Southeastern Mendocino Interior, and Lake counties. * WHEN...From 11 AM to 11 PM Monday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses to occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you 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. $$
15 follow-up statements
946 WWUS76 KEKA 290623 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 1123 PM PDT Fri May 28 2021 CAZ111-113>115-291430- /O.CON.KEKA.HT.Y.0001.210531T1800Z-210601T0600Z/ Northeastern Mendocino Interior-Southeastern Mendocino Interior- Northern Lake-Southern Lake- 1123 PM PDT Fri May 28 2021 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 11 PM PDT MONDAY... * WHAT...High temperatures exceeding 100 degrees. * WHERE...Southeastern Mendocino Interior, Northeastern Mendocino Interior, Northern Lake and Southern Lake Counties. * WHEN...From 11 AM to 11 PM PDT Monday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses to occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$
763 WWUS76 KEKA 290910 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 210 AM PDT Sat May 29 2021 CAZ107-108-110-291715- /O.EXB.KEKA.HT.Y.0001.210531T1800Z-210602T0300Z/ Northern Trinity-Southern Trinity-Northwestern Mendocino Interior- 210 AM PDT Sat May 29 2021 ...HEAT ADVISORY IN EFFECT FROM 11 AM MONDAY TO 8 PM PDT TUESDAY... * WHAT...Afternoon temperatures ranging from the upper 90s to low 100s. * WHERE...Northern Trinity, Southern Trinity and Northwestern Mendocino Interior Counties. * WHEN...From 11 AM Monday to 8 PM PDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses to occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ111-113>115-291715- /O.EXT.KEKA.HT.Y.0001.210531T1800Z-210602T0300Z/ Northeastern Mendocino Interior-Southeastern Mendocino Interior- Northern Lake-Southern Lake- 210 AM PDT Sat May 29 2021 ...HEAT ADVISORY NOW IN EFFECT FROM 11 AM MONDAY TO 8 PM PDT TUESDAY... * WHAT...Afternoon temperatures ranging from the upper 90s to low 100s. * WHERE...Southeastern Mendocino Interior, Northeastern Mendocino Interior, Northern Lake and Southern Lake Counties. * WHEN...From 11 AM Monday to 8 PM PDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses to occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$
671 WWUS76 KEKA 291717 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 1017 AM PDT Sat May 29 2021 CAZ107-108-110-111-113>115-300130- /O.CON.KEKA.HT.Y.0001.210531T1800Z-210602T0300Z/ Northern Trinity-Southern Trinity-Northwestern Mendocino Interior- Northeastern Mendocino Interior-Southeastern Mendocino Interior- Northern Lake-Southern Lake- 1017 AM PDT Sat May 29 2021 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM MONDAY TO 8 PM PDT TUESDAY... * WHAT...Afternoon temperatures ranging from the upper 90s to low 100s. * WHERE...Northern Trinity, Southern Trinity and Northwestern Mendocino Interior Counties. * WHEN...From 11 AM Monday to 8 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. && $$
979 WWUS76 KEKA 292128 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 228 PM PDT Sat May 29 2021 CAZ107-108-110-111-113>115-300530- /O.CON.KEKA.HT.Y.0001.210531T1800Z-210602T0300Z/ Northern Trinity-Southern Trinity-Northwestern Mendocino Interior- Northeastern Mendocino Interior-Southeastern Mendocino Interior- Northern Lake-Southern Lake- 228 PM PDT Sat May 29 2021 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM MONDAY TO 8 PM PDT TUESDAY... * WHAT...Afternoon temperatures ranging from the upper 90s to low 100s. * WHERE...Northern Trinity, Southern Trinity and Northwestern Mendocino Interior Counties. * WHEN...From 11 AM Monday to 8 PM PDT Tuesday. * IMPACTS...Hot temperatures may cause heat illnesses to occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$
181 WWUS76 KEKA 300518 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 1018 PM PDT Sat May 29 2021 CAZ107-108-110-111-113>115-301200- /O.CON.KEKA.HT.Y.0001.210531T1800Z-210602T0300Z/ Northern Trinity-Southern Trinity-Northwestern Mendocino Interior- Northeastern Mendocino Interior-Southeastern Mendocino Interior- Northern Lake-Southern Lake- 1018 PM PDT Sat May 29 2021 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM MONDAY TO 8 PM PDT TUESDAY... * WHAT...Afternoon temperatures ranging from the upper 90s to low 100s. * WHERE...Southern Trinity, Southeastern Mendocino Interior, Northwestern Mendocino Interior, Northeastern Mendocino Interior, Northern Lake, Southern Lake and Northern Trinity Counties. * WHEN...From 11 AM Monday to 8 PM PDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses to occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$
573 WWUS76 KEKA 300924 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 224 AM PDT Sun May 30 2021 CAZ107-108-110-111-113>115-301730- /O.CON.KEKA.HT.Y.0001.210531T1800Z-210602T0300Z/ Northern Trinity-Southern Trinity-Northwestern Mendocino Interior- Northeastern Mendocino Interior-Southeastern Mendocino Interior- Northern Lake-Southern Lake- 224 AM PDT Sun May 30 2021 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM MONDAY TO 8 PM PDT TUESDAY... * WHAT...Afternoon temperatures ranging from 95 to 110. * WHERE...Southern Trinity, Southeastern Mendocino Interior, Northwestern Mendocino Interior, Northeastern Mendocino Interior, Northern Lake, Southern Lake and Northern Trinity Counties. * WHEN...From 11 AM Monday to 8 PM PDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses to occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$
759 WWUS76 KEKA 301603 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 903 AM PDT Sun May 30 2021 CAZ107-108-110-111-113>115-310015- /O.CON.KEKA.HT.Y.0001.210531T1800Z-210602T0300Z/ Northern Trinity-Southern Trinity-Northwestern Mendocino Interior- Northeastern Mendocino Interior-Southeastern Mendocino Interior- Northern Lake-Southern Lake- 903 AM PDT Sun May 30 2021 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM MONDAY TO 8 PM PDT TUESDAY... * WHAT...Afternoon temperatures ranging from 95 to 108. * WHERE...Southern Trinity, Southeastern Mendocino Interior, Northwestern Mendocino Interior, Northeastern Mendocino Interior, Northern Lake, Southern Lake and Northern Trinity Counties. * WHEN...From 11 AM Monday to 8 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. && $$
043 WWUS76 KEKA 302059 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 159 PM PDT Sun May 30 2021 CAZ107-108-110-111-113>115-310500- /O.CON.KEKA.HT.Y.0001.210531T1800Z-210602T0300Z/ Northern Trinity-Southern Trinity-Northwestern Mendocino Interior- Northeastern Mendocino Interior-Southeastern Mendocino Interior- Northern Lake-Southern Lake- 159 PM PDT Sun May 30 2021 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM MONDAY TO 8 PM PDT TUESDAY... * WHAT...Afternoon temperatures ranging from 95 to 108. * WHERE...Southern Trinity, Southeastern Mendocino Interior, Northwestern Mendocino Interior, Northeastern Mendocino Interior, Northern Lake, Southern Lake and Northern Trinity Counties. * WHEN...From 11 AM Monday to 8 PM PDT Tuesday. * IMPACTS...Hot temperatures may cause heat illnesses to occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$
853 WWUS76 KEKA 310445 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 945 PM PDT Sun May 30 2021 CAZ107-108-110-111-113>115-311245- /O.CON.KEKA.HT.Y.0001.210531T1800Z-210602T0300Z/ Northern Trinity-Southern Trinity-Northwestern Mendocino Interior- Northeastern Mendocino Interior-Southeastern Mendocino Interior- Northern Lake-Southern Lake- 945 PM PDT Sun May 30 2021 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM MONDAY TO 8 PM PDT TUESDAY... * WHAT...Afternoon temperatures ranging from 95 to 108. * WHERE...Southern Trinity, Southeastern Mendocino Interior, Northwestern Mendocino Interior, Northeastern Mendocino Interior, Northern Lake, Southern Lake and Northern Trinity Counties. * WHEN...From 11 AM Monday to 8 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. && $$
420 WWUS76 KEKA 310917 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 217 AM PDT Mon May 31 2021 CAZ107-108-110-111-113>115-311730- /O.CON.KEKA.HT.Y.0001.210531T1800Z-210602T0300Z/ Northern Trinity-Southern Trinity-Northwestern Mendocino Interior- Northeastern Mendocino Interior-Southeastern Mendocino Interior- Northern Lake-Southern Lake- 217 AM PDT Mon May 31 2021 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM PDT TUESDAY... * WHAT...Afternoon temperatures ranging from 95 to 110. * WHERE...Southern Trinity, Southeastern Mendocino Interior, Northwestern Mendocino Interior, Northeastern Mendocino Interior, Northern Lake, Southern Lake and Northern Trinity Counties. * WHEN...From 11 AM this morning to 8 PM PDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses to occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$
776 WWUS76 KEKA 311729 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 1029 AM PDT Mon May 31 2021 CAZ107-108-110-111-113>115-010130- /O.CON.KEKA.HT.Y.0001.210531T1800Z-210602T0300Z/ Northern Trinity-Southern Trinity-Northwestern Mendocino Interior- Northeastern Mendocino Interior-Southeastern Mendocino Interior- Northern Lake-Southern Lake- 1029 AM PDT Mon May 31 2021 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT TUESDAY... * WHAT...Afternoon temperatures ranging from 95 to 107. * WHERE...Southern Trinity, Southeastern Mendocino Interior, Northwestern Mendocino Interior, Northeastern Mendocino Interior, Northern Lake, Southern Lake and Northern Trinity Counties. * WHEN...From 11 AM this morning to 8 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. && $$
622 WWUS76 KEKA 312111 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 211 PM PDT Mon May 31 2021 CAZ107-108-110-111-113>115-010515- /O.CON.KEKA.HT.Y.0001.000000T0000Z-210602T0300Z/ Northern Trinity-Southern Trinity-Northwestern Mendocino Interior- Northeastern Mendocino Interior-Southeastern Mendocino Interior- Northern Lake-Southern Lake- 211 PM PDT Mon May 31 2021 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT TUESDAY... * WHAT...Afternoon temperatures ranging from 95 to 107. * WHERE...Southern Trinity, Southeastern Mendocino Interior, Northwestern Mendocino Interior, Northeastern Mendocino Interior, Northern Lake, Southern Lake and Northern Trinity Counties. * WHEN...Until 8 PM PDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses to occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$
964 WWUS76 KEKA 010500 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 1000 PM PDT Mon May 31 2021 CAZ107-108-110-111-113>115-011300- /O.CON.KEKA.HT.Y.0001.000000T0000Z-210602T0300Z/ Northern Trinity-Southern Trinity-Northwestern Mendocino Interior- Northeastern Mendocino Interior-Southeastern Mendocino Interior- Northern Lake-Southern Lake- 1000 PM PDT Mon May 31 2021 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT TUESDAY... * WHAT...Afternoon temperatures ranging from 95 to 107. * WHERE...Southern Trinity, Southeastern Mendocino Interior, Northwestern Mendocino Interior, Northeastern Mendocino Interior, Northern Lake, Southern Lake and Northern Trinity Counties. * WHEN...Until 8 PM PDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses to occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$
286 WWUS76 KEKA 011237 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 537 AM PDT Tue Jun 1 2021 CAZ107-108-110-111-113>115-020300- /O.CON.KEKA.HT.Y.0001.000000T0000Z-210602T0300Z/ Northern Trinity-Southern Trinity-Northwestern Mendocino Interior- Northeastern Mendocino Interior-Southeastern Mendocino Interior- Northern Lake-Southern Lake- 537 AM PDT Tue Jun 1 2021 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...Afternoon temperatures ranging from 95 to 110. * WHERE...Southern Trinity, Southeastern Mendocino Interior, Northwestern Mendocino Interior, Northeastern Mendocino Interior, Northern Lake, Southern Lake and Northern Trinity Counties. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses to occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$
719 WWUS76 KEKA 020251 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 751 PM PDT Tue Jun 1 2021 CAZ107-108-110-111-113>115-020400- /O.EXP.KEKA.HT.Y.0001.000000T0000Z-210602T0300Z/ Northern Trinity-Southern Trinity-Northwestern Mendocino Interior- Northeastern Mendocino Interior-Southeastern Mendocino Interior- Northern Lake-Southern Lake- 751 PM PDT Tue Jun 1 2021 ...HEAT ADVISORY WILL EXPIRE AT 8 PM PDT THIS EVENING... $$
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 28, 2:16 AM PDT | Hazardous Seas Warning | EKA | 46 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.