Alert archive / Nevada / Excessive Heat Warnings in 2021
Excessive Heat Warning 2, NWS Reno, NV
NWS Reno, NV issued this excessive heat warning at Jul 7, 2021, 9:15 AM PDT for 7 counties in Nevada; 4 counties in California. It was in force for 6 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
- Jul 7, 2021, 9:15 AM PDT (16:15 UTC)
- Expired
- Jul 13, 2021, 9:00 PM PDT
- In force
- 6 days
- Issued by
- NWS Reno, NV
Counties Lassen County, CA, Modoc County, CA, Plumas County, CA, Sierra County, CA, Churchill County, NV, Douglas County, NV, Lyon County, NV, Mineral County, NV, Pershing County, NV, Storey County, NV, Washoe County, NV
The radar
The Reno radar (KRGX), 18 km from the middle of the area, began a volume at 16:15 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
Reno, NV (KREV), launched 12:00Z, 4.3 hours before the alert went out and 126 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
- 4123 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- -3 m²/s²
- 0-3 km storm-relative helicity
- 23 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
715 WWUS75 KREV 071615 NPWREV URGENT - WEATHER MESSAGE National Weather Service Reno NV 915 AM PDT Wed Jul 7 2021 NVZ001-004-090000- /O.UPG.KREV.EH.A.0002.210710T1900Z-210713T0400Z/ /O.NEW.KREV.EH.W.0002.210707T1615Z-210713T0400Z/ Mineral and Southern Lyon Counties- Western Nevada Basin and Range including Pyramid Lake- Including the cities of Hawthorne, Yerington, Smith Valley, Mina, Schurz, Fernley, Fallon, Lovelock, Silver Springs, Nixon, and Imlay 915 AM PDT Wed Jul 7 2021 ...EXCESSIVE HEAT WARNING IN EFFECT UNTIL 9 PM PDT MONDAY... * WHAT...Dangerously hot conditions with high temperatures 100 to 105 through Friday rising to 102 to 109 for the weekend into early next week. Lows generally 65 to 75. * WHERE...Mineral and Southern Lyon Counties and Western Nevada Basin and Range including Pyramid Lake. * WHEN...Until 9 PM PDT Monday. * 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. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ070-071-NVZ003-005-090000- /O.CON.KREV.EH.A.0002.210710T1900Z-210713T0400Z/ Surprise Valley California-Lassen-Eastern Plumas- Eastern Sierra Counties-Greater Reno-Carson City-Minden Area- Northern Washoe County- Including the cities of Cedarville, Eagleville, Fort Bidwell, Portola, Susanville, Westwood, Sierraville, Loyalton, Sparks, Verdi, Gardnerville, Virginia City, Empire, and Gerlach 915 AM PDT Wed Jul 7 2021 ...EXCESSIVE HEAT WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON THROUGH MONDAY EVENING... * WHAT...Dangerously hot conditions with afternoon temperatures 100 to 108 for valleys, with mid 80s to mid 90s for mountains, across northeast California and western Nevada. * WHERE...Western Nevada Basin and Range including Pyramid Lake, Northern Washoe County, Surprise Valley California, Lassen- Eastern Plumas-Eastern Sierra Counties, Greater Reno-Carson City- Minden Area and Mineral and Southern Lyon Counties. * WHEN...From Saturday afternoon through Monday evening. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. * ADDITIONAL DETAILS...While not quite as hot this week, afternoon temperatures in the mid 90s to low 100s are expected for valleys so be prepared and take precautions for the heat, especially if you must be out in the sun. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Be prepared to drink plenty of fluids, stay in an air- conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ For more information from the National Weather Service visit http://weather.gov/rev
8 follow-up statements
888 WWUS75 KREV 072201 NPWREV URGENT - WEATHER MESSAGE National Weather Service Reno NV 301 PM PDT Wed Jul 7 2021 CAZ070-071-NVZ003-005-091200- /O.UPG.KREV.EH.A.0002.210710T1900Z-210713T0400Z/ /O.EXB.KREV.EH.W.0002.210710T1900Z-210713T0400Z/ Surprise Valley California-Lassen-Eastern Plumas- Eastern Sierra Counties-Greater Reno-Carson City-Minden Area- Northern Washoe County- Including the cities of Cedarville, Eagleville, Fort Bidwell, Portola, Susanville, Westwood, Sierraville, Loyalton, Sparks, Verdi, Gardnerville, Virginia City, Empire, and Gerlach 301 PM PDT Wed Jul 7 2021 ...EXCESSIVE HEAT WARNING IN EFFECT FROM NOON SATURDAY TO 9 PM PDT MONDAY... * WHAT...Dangerously hot conditions with afternoon temperatures 100 to 108 for valleys, with mid 80s to mid 90s for mountains, across northeast California and western Nevada. Lows mostly lower 60s to lower 70s for valleys, warmest urbanized and sparsely vegetated areas. * WHERE...Lassen-Eastern Plumas-Eastern Sierra Counties, Surprise Valley California, Greater Reno-Carson City-Minden Area and Northern Washoe County. * WHEN...From noon Saturday to 9 PM PDT Monday. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. * ADDITIONAL DETAILS...While not quite as hot through Friday, afternoon temperatures in the mid 90s to low 100s are expected for valleys so be prepared and take precautions for the heat, especially if you must be out in the sun. 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. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ NVZ001-004-091200- /O.CON.KREV.EH.W.0002.000000T0000Z-210713T0400Z/ Mineral and Southern Lyon Counties- Western Nevada Basin and Range including Pyramid Lake- Including the cities of Hawthorne, Yerington, Smith Valley, Mina, Schurz, Fernley, Fallon, Lovelock, Silver Springs, Nixon, and Imlay 301 PM PDT Wed Jul 7 2021 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM PDT MONDAY... * WHAT...Dangerously hot conditions with high temperatures 100 to 105 through Friday rising to 102 to 109 for the weekend into early next week. Lows generally 65 to 75. * WHERE...Mineral and Southern Lyon Counties and Western Nevada Basin and Range including Pyramid Lake. * WHEN...Until 9 PM PDT Monday. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ For more information from the National Weather Service visit http://weather.gov/rev
382 WWUS75 KREV 080955 NPWREV URGENT - WEATHER MESSAGE National Weather Service Reno NV 255 AM PDT Thu Jul 8 2021 NVZ004-090500- /O.NEW.KREV.LW.Y.0046.210708T2100Z-210709T0500Z/ /O.CON.KREV.EH.W.0002.000000T0000Z-210713T0400Z/ Western Nevada Basin and Range including Pyramid Lake- Including the cities of Fernley, Fallon, Lovelock, Silver Springs, Nixon, and Imlay 255 AM PDT Thu Jul 8 2021 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM PDT MONDAY... ...LAKE WIND ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO 10 PM PDT THIS EVENING... * WHAT...For the Excessive Heat Warning, dangerously hot conditions with high temperatures 100 to 105 through Friday rising to 102 to 109 for the weekend into early next week. Lows generally 65 to 75. For the Lake Wind Advisory, west winds 10 to 20 mph with gusts up to 35 mph expected. * WHERE...Western Nevada Basin and Range including Pyramid, Lahontan and Rye Patch. * WHEN...For the Excessive Heat Warning, until 9 PM PDT Monday. For the Lake Wind Advisory, from 2 PM this afternoon to 10 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. Small boats, kayaks and paddle boards will be prone to capsizing and should remain off lake waters until conditions improve. 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. && $$ NVZ003-090500- /O.NEW.KREV.LW.Y.0046.210708T2100Z-210709T0500Z/ /O.CON.KREV.EH.W.0002.210710T1900Z-210713T0400Z/ Greater Reno-Carson City-Minden Area- Including the cities of Sparks, Verdi, Gardnerville, and Virginia City 255 AM PDT Thu Jul 8 2021 ...LAKE WIND ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO 10 PM PDT THIS EVENING... ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM NOON SATURDAY TO 9 PM PDT MONDAY... * WHAT...For the Excessive Heat Warning, dangerously hot conditions with afternoon temperatures upper 90s to 105 and morning lows in the 60s to lower 70s expected. For the Lake Wind Advisory, southwest winds 10 to 20 mph with gusts up to 35 mph expected for Washoe Lake. * WHERE...Greater Reno-Carson City-Minden Area. * WHEN...For the Excessive Heat Warning, from noon Saturday to 9 PM PDT Monday. For the Lake Wind Advisory, from 2 PM this afternoon to 10 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. Small boats, kayaks and paddle boards will be prone to capsizing and should remain off lake waters until conditions improve. * ADDITIONAL DETAILS...While not quite as hot through Friday, afternoon temperatures in the mid 90s to near 100 are expected for valleys so be prepared and take precautions for the heat, especially if you must be out in the sun. 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. && $$ NVZ001-090500- /O.CON.KREV.EH.W.0002.000000T0000Z-210713T0400Z/ Mineral and Southern Lyon Counties- Including the cities of Hawthorne, Yerington, Smith Valley, Mina, and Schurz 255 AM PDT Thu Jul 8 2021 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM PDT MONDAY... * WHAT...Dangerously hot conditions with high temperatures 100 to 105 through Friday rising to 102 to 109 for the weekend into early next week. Lows generally 65 to 75. * WHERE...Mineral and Southern Lyon Counties. * WHEN...Until 9 PM PDT Monday. * 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. && $$ CAZ070-071-NVZ005-090500- /O.CON.KREV.EH.W.0002.210710T1900Z-210713T0400Z/ Surprise Valley California-Lassen-Eastern Plumas- Eastern Sierra Counties-Northern Washoe County- Including the cities of Cedarville, Eagleville, Fort Bidwell, Portola, Susanville, Westwood, Sierraville, Loyalton, Empire, and Gerlach 255 AM PDT Thu Jul 8 2021 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM NOON SATURDAY TO 9 PM PDT MONDAY... * WHAT...Dangerously hot conditions with afternoon temperatures 100 to 108 for valleys, with mid 80s to mid 90s for mountain communities. Morning lows in the lower 60s to lower 70s. * WHERE...Surprise Valley California, Lassen-Eastern Plumas- Eastern Sierra Counties and Northern Washoe County. * WHEN...From noon Saturday to 9 PM PDT Monday. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. * ADDITIONAL DETAILS...While not quite as hot through Friday, afternoon temperatures in the mid 90s to near 100 are expected for valleys so be prepared and take precautions for the heat, especially if you must be out in the sun. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ073-090500- /O.NEW.KREV.LW.Y.0046.210708T2100Z-210709T0500Z/ Mono County- Including the cities of Bridgeport, Coleville, Lee Vining, and Mammoth Lakes 255 AM PDT Thu Jul 8 2021 ...LAKE WIND ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO 10 PM PDT THIS EVENING... * WHAT...Southwest winds 10 to 20 mph with gusts up to 35 mph expected. * WHERE...Topaz, Bridgeport, Mono, and Crowley. * WHEN...From 2 PM this afternoon to 10 PM PDT this evening. * IMPACTS...Small boats, kayaks and paddle boards will be prone to capsizing and should remain off lake waters until conditions improve. PRECAUTIONARY/PREPAREDNESS ACTIONS... Check lake conditions before heading out and be prepared for a sudden increase in winds and wave heights. Consider postponing boating activities on the lake until a day with less wind. && $$ For more information from the National Weather Service visit http://weather.gov/rev
795 WWUS75 KREV 090509 NPWREV URGENT - WEATHER MESSAGE National Weather Service Reno NV 1009 PM PDT Thu Jul 8 2021 NVZ003-101100- /O.EXP.KREV.LW.Y.0046.000000T0000Z-210709T0500Z/ /O.CON.KREV.EH.W.0002.210710T1900Z-210713T0400Z/ Greater Reno-Carson City-Minden Area- Including the cities of Sparks, Verdi, Gardnerville, and Virginia City 1009 PM PDT Thu Jul 8 2021 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM NOON SATURDAY TO 9 PM PDT MONDAY... * WHAT...Dangerously hot conditions with afternoon temperatures upper 90s to 105 and morning lows in the 60s to lower 70s. * WHERE...Greater Reno-Carson City-Minden Area. * WHEN...From noon Saturday to 9 PM PDT Monday. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. * ADDITIONAL DETAILS...While not quite as hot through Friday, afternoon temperatures in the mid 90s to near 100 are expected for valleys so be prepared and take precautions for the heat, especially if you must be out in the sun. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ NVZ004-101100- /O.EXP.KREV.LW.Y.0046.000000T0000Z-210709T0500Z/ /O.CON.KREV.EH.W.0002.000000T0000Z-210713T0400Z/ Western Nevada Basin and Range including Pyramid Lake- Including the cities of Fernley, Fallon, Lovelock, Silver Springs, Nixon, and Imlay 1009 PM PDT Thu Jul 8 2021 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM PDT MONDAY... * WHAT...Dangerously hot conditions with high temperatures 100 to 105 through Friday rising to 102 to 109 for the weekend into early next week. Lows generally 65 to 75. * WHERE...Western Nevada Basin and Range including Pyramid Lake. * WHEN...Until 9 PM PDT Monday. * 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. && $$ CAZ073-090615- /O.EXP.KREV.LW.Y.0046.000000T0000Z-210709T0500Z/ Mono County- Including the cities of Bridgeport, Coleville, Lee Vining, and Mammoth Lakes 1009 PM PDT Thu Jul 8 2021 ...LAKE WIND ADVISORY HAS EXPIRED... Winds have dropped below advisory levels and no longer pose a threat on area lakes this evening. $$ NVZ001-101100- /O.CON.KREV.EH.W.0002.000000T0000Z-210713T0400Z/ Mineral and Southern Lyon Counties- Including the cities of Hawthorne, Yerington, Smith Valley, Mina, and Schurz 1009 PM PDT Thu Jul 8 2021 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM PDT MONDAY... * WHAT...Dangerously hot conditions with high temperatures 100 to 105 through Friday rising to 102 to 109 for the weekend into early next week. Lows generally 65 to 75. * WHERE...Mineral and Southern Lyon Counties. * WHEN...Until 9 PM PDT Monday. * 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. && $$ CAZ070-071-NVZ005-101100- /O.CON.KREV.EH.W.0002.210710T1900Z-210713T0400Z/ Surprise Valley California-Lassen-Eastern Plumas- Eastern Sierra Counties-Northern Washoe County- Including the cities of Cedarville, Eagleville, Fort Bidwell, Portola, Susanville, Westwood, Sierraville, Loyalton, Empire, and Gerlach 1009 PM PDT Thu Jul 8 2021 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM NOON SATURDAY TO 9 PM PDT MONDAY... * WHAT...Dangerously hot conditions with afternoon temperatures 100 to 108 for valleys, with mid 80s to mid 90s for mountain communities. Morning lows in the lower 60s to lower 70s. * WHERE...Surprise Valley California, Lassen-Eastern Plumas- Eastern Sierra Counties and Northern Washoe County. * WHEN...From noon Saturday to 9 PM PDT Monday. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. * ADDITIONAL DETAILS...While not quite as hot through Friday, afternoon temperatures in the mid 90s to near 100 are expected for valleys so be prepared and take precautions for the heat, especially if you must be out in the sun. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ For more information from the National Weather Service visit http://weather.gov/rev
823 WWUS75 KREV 101043 NPWREV URGENT - WEATHER MESSAGE National Weather Service Reno NV 343 AM PDT Sat Jul 10 2021 NVZ001-004-110600- /O.CON.KREV.EH.W.0002.000000T0000Z-210713T0400Z/ Mineral and Southern Lyon Counties- Western Nevada Basin and Range including Pyramid Lake- Including the cities of Hawthorne, Yerington, Smith Valley, Mina, Schurz, Fernley, Fallon, Lovelock, Silver Springs, Nixon, and Imlay 343 AM PDT Sat Jul 10 2021 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM PDT MONDAY... * WHAT...Dangerously hot conditions with high temperatures 102 to 109 this weekend into early next week. Lows generally 65 to 75. * WHERE...Mineral and Southern Lyon Counties. * WHEN...Until 9 PM PDT Monday. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. * ADDITIONAL DETAILS...Despite a slight cooling trend starting Tuesday, temperatures will remain above normal. These persistent hot conditions will continue to create heat risks for vulnerable groups throughout the rest of the week. 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. && $$ CAZ070-071-NVZ003-005-110600- /O.CON.KREV.EH.W.0002.210710T1900Z-210713T0400Z/ Surprise Valley California-Lassen-Eastern Plumas- Eastern Sierra Counties-Greater Reno-Carson City-Minden Area- Northern Washoe County- Including the cities of Cedarville, Eagleville, Fort Bidwell, Portola, Susanville, Westwood, Sierraville, Loyalton, Sparks, Verdi, Gardnerville, Virginia City, Empire, and Gerlach 343 AM PDT Sat Jul 10 2021 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM PDT MONDAY... * WHAT...Dangerously hot conditions with afternoon temperatures 100 to 108 for valleys, with mid 80s to mid 90s for mountain communities. Morning lows in the lower 60s to lower 70s. * WHERE...Surprise Valley California, Lassen-Eastern Plumas- Eastern Sierra Counties and Northern Washoe County. * WHEN...From noon today to 9 PM PDT Monday. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. * ADDITIONAL DETAILS...Despite a slight cooling trend starting Tuesday, temperatures will remain above normal. These persistent hot conditions will continue to create heat risks for vulnerable groups throughout the rest of the week. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ For more information from the National Weather Service visit http://weather.gov/rev
059 WWUS75 KREV 102210 NPWREV URGENT - WEATHER MESSAGE National Weather Service Reno NV 310 PM PDT Sat Jul 10 2021 CAZ070-071-NVZ001-003>005-130000- /O.EXT.KREV.EH.W.0002.000000T0000Z-210714T0400Z/ Surprise Valley California-Lassen-Eastern Plumas- Eastern Sierra Counties-Mineral and Southern Lyon Counties- Greater Reno-Carson City-Minden Area- Western Nevada Basin and Range including Pyramid Lake- Northern Washoe County- Including the cities of Cedarville, Eagleville, Fort Bidwell, Portola, Susanville, Westwood, Sierraville, Loyalton, Hawthorne, Yerington, Smith Valley, Mina, Schurz, Sparks, Verdi, Gardnerville, Virginia City, Fernley, Fallon, Lovelock, Silver Springs, Nixon, Imlay, Empire, and Gerlach 310 PM PDT Sat Jul 10 2021 ...EXCESSIVE HEAT WARNING NOW IN EFFECT UNTIL 9 PM PDT TUESDAY... * WHAT...Dangerously hot conditions with afternoon temperatures 99 to 109 for lower valleys, with mid 80s to mid 90s for mountain communities. Morning lows in the lower 60s to lower 70s. * WHERE...Surprise Valley California, Lassen-Eastern Plumas- Eastern Sierra Counties and Northern Washoe 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. * ADDITIONAL DETAILS...Despite a cooling trend with temperatures falling to more typical mid-summer heat for mid to late next week, heat risks for vulnerable groups will remain through next week. 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. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ For more information from the National Weather Service visit http://weather.gov/rev
577 WWUS75 KREV 120932 NPWREV URGENT - WEATHER MESSAGE National Weather Service Reno NV 232 AM PDT Mon Jul 12 2021 CAZ070-071-NVZ001-003>005-131215- /O.CON.KREV.EH.W.0002.000000T0000Z-210714T0400Z/ Surprise Valley California-Lassen-Eastern Plumas- Eastern Sierra Counties-Mineral and Southern Lyon Counties- Greater Reno-Carson City-Minden Area- Western Nevada Basin and Range including Pyramid Lake- Northern Washoe County- Including the cities of Cedarville, Eagleville, Fort Bidwell, Portola, Susanville, Westwood, Sierraville, Loyalton, Hawthorne, Yerington, Smith Valley, Mina, Schurz, Sparks, Verdi, Gardnerville, Virginia City, Fernley, Fallon, Lovelock, Silver Springs, Nixon, Imlay, Empire, and Gerlach 232 AM PDT Mon Jul 12 2021 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM PDT TUESDAY... * CHANGES...None. * WHAT...Dangerously hot conditions with afternoon temperatures 100 to 109 for lower valleys, with mid 80s to mid 90s for mountain communities. Morning lows in the lower 60s to lower 70s in lower elevation valleys. * WHERE...Most of Western Nevada and Northeast California. * 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. * ADDITIONAL DETAILS...High temperatures will be near record levels for many locations today and Tuesday. Overnight lows will be well above normal, lessening the ability for homes without air conditioning to cool off effectively. 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. && $$ For more information from the National Weather Service visit http://weather.gov/rev
275 WWUS75 KREV 131009 NPWREV URGENT - WEATHER MESSAGE National Weather Service Reno NV 309 AM PDT Tue Jul 13 2021 CAZ070-071-NVZ001-003>005-140400- /O.CON.KREV.EH.W.0002.000000T0000Z-210714T0400Z/ Surprise Valley California-Lassen-Eastern Plumas- Eastern Sierra Counties-Mineral and Southern Lyon Counties- Greater Reno-Carson City-Minden Area- Western Nevada Basin and Range including Pyramid Lake- Northern Washoe County- Including the cities of Cedarville, Eagleville, Fort Bidwell, Portola, Susanville, Westwood, Sierraville, Loyalton, Hawthorne, Yerington, Smith Valley, Mina, Schurz, Sparks, Verdi, Gardnerville, Virginia City, Fernley, Fallon, Lovelock, Silver Springs, Nixon, Imlay, Empire, and Gerlach 309 AM PDT Tue Jul 13 2021 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING... * CHANGES...None. * WHAT...Dangerously hot conditions with high temperatures today in lower elevation valleys of 98 to 105. Mountain communities will see highs in the upper 80s to near 90. Less hot Wednesday, with temperatures a little closer to normal Thursday through Saturday. * WHERE...Much of Western Nevada and Northeast California * 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. && $$ For more information from the National Weather Service visit http://weather.gov/rev
263 WWUS75 KREV 140346 NPWREV URGENT - WEATHER MESSAGE National Weather Service Reno NV 846 PM PDT Tue Jul 13 2021 CAZ070-071-NVZ001-003>005-140500- /O.EXP.KREV.EH.W.0002.000000T0000Z-210714T0400Z/ Surprise Valley California-Lassen-Eastern Plumas- Eastern Sierra Counties-Mineral and Southern Lyon Counties- Greater Reno-Carson City-Minden Area- Western Nevada Basin and Range including Pyramid Lake- Northern Washoe County- Including the cities of Cedarville, Eagleville, Fort Bidwell, Portola, Susanville, Westwood, Sierraville, Loyalton, Hawthorne, Yerington, Smith Valley, Mina, Schurz, Sparks, Verdi, Gardnerville, Virginia City, Fernley, Fallon, Lovelock, Silver Springs, Nixon, Imlay, Empire, and Gerlach 846 PM PDT Tue Jul 13 2021 ...EXCESSIVE HEAT WARNING WILL EXPIRE AT 9 PM PDT THIS EVENING... The Excessive Heat Warning will be allowed to expire as scheduled this evening. $$ For more information from the National Weather Service visit http://weather.gov/rev
What forecasters said that day
The local office's own words before this excessive heat warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Reno, NV wrote its last area forecast discussion before this excessive heat warning went out at Jul 7, 3:09 AM PDT, 6 hours 6 minutes earlier.
Area forecast discussion, Jul 7, 3:09 AM PDT, 6 hours 6 minutes before
Area Forecast Discussion
National Weather Service Reno NV
309 AM PDT Wed Jul 7 2021
.SYNOPSIS...
Hot, above average afternoon temperatures continue for the next
week with highs reaching 100 to 108 degrees for valleys in northeast
California and western Nevada over the weekend. Typical afternoon
breezes are expected through Thursday with lighter breezes Friday
through the weekend. Low thunderstorm chances return late in the
week.
&&
.SHORT TERM...
* Slight chance for isolated thunderstorms over Mono/Mineral
Counties each afternoon starting Thursday and continuing into
next week.
* Hot summer temperatures that will continue to trend hotter this
weekend.
Little change to the short term forecast outside some minor
maintenance to acknowledge updated model guidance. Speaking of
model guidance, it continues to pursue the notion for strong high
pressure building over the Desert Southwest into the Great Basin
region. High pressure ridging into western Nevada and the Sierra
will ensure skies remain mostly clear as a stable-dry southwest
upper flow increases over northeast CA and western NV through much
of the short term forecast.
Temperature-wise through Friday, afternoons will remain very warm in
Sierra valleys and hot in lower valleys with only a very minor down
tick in daytime temperatures possibly today and Thursday. For the
most part regional temperature reaming 5-10 degrees above average
through the remainder of the week. This trend will continue into
the weekend with some daytime and even higher overnight temps
either touching or exceeding record territory.
* It is still advised to continue to hydrate, stay in an air-
conditioned building, stay out of the sun, and check up on
relatives and neighbors.
* This cannot be reiterated more but young children and pets
should never be left unattended in vehicles.
Afternoon and evening breezes will approach more typical summer
levels today through Thursday. Another weak wave, however, will
push into the Pacific Northwest Thursday and drag its southern
extension across northern CA and NV as it flattens the upper
ridge. As this upper wave continues east into the northern Inter-
mountain West, the ridge axis will shift south and allow a more
west–east push of momentum over the northern Sierra and
northwest NV. The afternoon thermal/pressure gradient tightens in
response to the trough passage and will translate into a slight
pickup of wind Thursday afternoon with some gusts topping into the
35 mph range. As this upper trough axis passes over northern
CA/NV it complements the already hot/dry conditions over the
region so elevated fire weather concerns remain topic of concern.
Therefore a fire weather watch is in effect for areas within the
northern and southern Sierra Front Thursday afternoon and evening.
See the Fire Discussion if this is of interest to you.
Today, mid-level capping is expected to suppress any thunderstorm
development through the afternoon/evening with storm chances
remaining below 10%. A minor moisture increase in a weak southerly
upper flow into the central Sierra Thursday and Friday may sneak
into areas south of Highway 50. This could allow for a few cumulus
build-ups or even an isolated thunderstorm or two in the
afternoon over Mineral and southern Lyon counties as a modest
westerly wind convergence develops. Given surface convergence and
the modest intrusion of some mid -level moisture, thunderstorm
chances will still remain relatively low. But this could change as
storm chances briefly pop up into 10-15% territory given the
strong surface heating under clear skies which is enough to
overcome any mid level cap. -Amanda
.LONG TERM...Saturday through early next week
...Excessive heat watch continues for Saturday through Monday...
The upper ridge will finally break its restraints in the wake of
the Pacific Northwest upper trough and swell over the southwest
CONUS Friday and through the weekend. This will bring a trend up
in temperatures into the weekend with atrocious afternoon
temperatures topping out between 100 and 108 for valleys near and
below 5000 feet for the weekend (versus mid 90's to low 100's
prior to Saturday).
With both European and GEFS ensemble simulations still following
similar pattern, confidence remains high that lower valley
locations will see highs consistently topping triple digits into
early next week. NBM guidance suggests that there is around a 10%
chance for the all time record high (108) to be reached at the
Reno climate station over the weekend. The Sierra will not be able
to dodge this heat bullet either with highs reaching the
upper 80's to mid 90's by the weekend.
Thunderstorm chances begin slowly to peek up over eastern CA and
far western NV later in the week as the heat builds and encourages
higher terrain build-ups. Chances look to be running between
10-20% under the influence of the strong upper high; therefore,
any developing storms may have little effect in controlling the
repressive afternoon heat. -Snyder/Amanda
&&
.AVIATION...
VFR for the next couple of days across NE CA and western NV with
just some afternoon cumulus buildups over higher terrain areas.
Chances for a late afternoon and early evening thunderstorm in
Mono and Mineral Counties will continue to remain 10% or less
chance for the next 24-36hrs. Winds look fairly typical for summer
with afternoon and evening gusts generally in the 15-25 kt range
along the Sierra Front into western NV.
Hot afternoons may bring some concern for density altitudes this
week; however, hotter temperatures topping out between 100-108 F
this weekend may bring an increase concern over this week. Impacts
to CIG/VSBY from smoke/haze may still continue to be a concern
through the forecast period due to erratic fire activity of
regional wildfires. -Amanda
&&
.FIRE WEATHER...
* Hot, dry, and breezy this week with the strongest winds
expected on Thursday.
* Afternoon and evening thunderstorms possible Friday to Monday
for the Eastern Sierra and southern Sierra Front.
No major changes from when I wrote this yesterday afternoon. High
pressure over the Desert Southwest will lead to an extended
period of hot-dry conditions through the weekend and into early
next week. Afternoon and evening breezes will develop each day at
least through the end of the week as well. The heat and wind will
lead to enhanced fire weather concerns, especially Thursday.
Winds gusts should hang around 25-30 mph each day with a few pockets
reaching 35 mph. Thursday is looking a bit more concerning with low
pressure passing through the Pacific Northwest. This may increase
winds in valley locations near and above 30 mph, perhaps as high
as 40 mph in a few spots along the Sierra Front. A Fire Weather
Watch is in effect for Thursday afternoon and evening.
A few late afternoon and evening thunderstorms may return by
Friday and persist into Monday especially over the eastern Sierra
and as far north as South Tahoe, Douglas, and Lyon Counties. Heat
and lack of moisture would favor dry thunderstorms with gusty
outflow winds. Light steering flow aloft could allow for a couple
wetter storms over Mono County. Brong
&&
.REV Watches/Warnings/Advisories...
NV...Fire Weather Watch from Thursday afternoon through Thursday
evening NVZ420-421.
Excessive Heat Watch from Saturday afternoon through Monday
evening NVZ001-003>005.
Fire Weather Watch from Thursday afternoon through Thursday
evening NVZ423-458.
CA...Excessive Heat Watch from Saturday afternoon through Monday
evening CAZ070-071.
&&
For more information from the National Weather Service visit...
http://weather.gov/renoIn the hours before
Special weather statement, Jul 7, 3:35 AM PDT, 5 hours 40 minutes before
Special Weather Statement National Weather Service RENO NV 335 AM PDT Wed Jul 7 2021 CAZ072-073-NVZ002-090000- Greater Lake Tahoe Area-Mono County- Including the cities of South Lake Tahoe, Tahoe City, Truckee, Markleeville, Bridgeport, Coleville, Lee Vining, Mammoth Lakes, Stateline, Glenbrook, and Incline Village 335 AM PDT Wed Jul 7 2021 ...VERY HOT LATE THIS WEEK INTO EARLY NEXT WEEK... Strong high pressure will move over the Sierra late this week and persist at least into early next week. This is expected to push highs into the upper 80s to mid 90s for Sierra valleys starting Friday, with highs peaking in the upper 60s to upper 70s even over higher Sierra peaks. If you plan on venturing into the Sierra this weekend to escape the lower elevation heat, note that conditions will still feel quite hot for the afternoon hours, especially if you are exposed to the sun. Also, Lake Tahoe water temperatures are in the upper 60s so cold water shock is still possible which can greatly increase the chances for inhaling water and drowning. Personal flotation devices are recommended at all times. http://weather.gov/reno
The office that day
Everything else NWS Reno, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 1:23 PM PDT | Red Flag Warning | REV | Churchill, Douglas, Lyon, Mineral, Pershing, Storey and 1 more | 33 hr |
Nearby
Excessive Heat Warnings in Nevada, 2021Excessive Heat Warnings in California, 2021Every excessive heat warning 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.