Alert archive / California / Flood Watches in 2021
Flood Watch 1, NWS Reno, NV
NWS Reno, NV issued this flood watch at Oct 21, 2021, 2:38 PM PDT for 8 counties in California; 4 counties in Nevada. It took effect at Oct 23, 2021, 11:00 PM PDT. It was in force for 34 hr.
The area
The counties it named.
The facts
- Issued
- Oct 21, 2021, 2:38 PM PDT (21:38 UTC)
- In effect from
- Oct 23, 2021, 11:00 PM PDT
- Expired
- Oct 25, 2021, 9:08 AM PDT
- In force
- 34 hr
- Issued by
- NWS Reno, NV
- Flood severity
- None
Counties Alpine County, CA, El Dorado County, CA, Lassen County, CA, Mono County, CA, Nevada County, CA, Placer County, CA, Plumas County, CA, Sierra County, CA, Douglas County, NV, Lyon County, NV, Storey County, NV, Washoe County, NV
The radar
The Reno radar (KRGX), 69 km from the middle of the area, began a volume at 21:41 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, 9.6 hours before the alert went out and 162 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
- 1118 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 97 m²/s²
- 0-3 km storm-relative helicity
- 190 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
208 WGUS65 KREV 212138 FFAREV URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Reno NV 238 PM PDT Thu Oct 21 2021 CAZ071-222145- /O.NEW.KREV.FA.A.0001.211024T0600Z-211025T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ /O.CON.KREV.FF.A.0003.211022T0600Z-211022T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Lassen-Eastern Plumas-Eastern Sierra Counties- Including the cities of Sierraville, Westwood, Susanville, Loyalton, and Portola 238 PM PDT Thu Oct 21 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 11 PM PDT THIS EVENING THROUGH FRIDAY MORNING... ...FLOOD WATCH IN EFFECT FROM SATURDAY EVENING THROUGH LATE SUNDAY NIGHT... The Flash Flood Watch continues for * A portion of northeast California, including the following area, Lassen-Eastern Plumas-Eastern Sierra Counties. * From 11 PM PDT this evening through Friday morning. * A short period of heavy rainfall is possible Thursday night and Friday morning in and downstream of the Dixie, Sheep, Walker, and Beckwourth burn scars. * Debris flows, ash flows, rock falls, and tree falls are possible with short bursts of heavy rainfall. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && The National Weather Service in Reno has issued a * Flood Watch for a portion of northeast California, including the following area, Lassen-Eastern Plumas-Eastern Sierra Counties. * From Saturday evening through late Sunday night. * Additional heavy rainfall from an atmospheric river will move into the region Saturday and continue into Sunday night. High snow levels will lower below 6000 feet by Monday morning. * Debris flows, ash flows, rock falls, and tree falls are possible, especially on or near burn scars and steep terrain. Rises on small creeks and streams are expected, equipment in and near river and creek channels should be moved to safety. Rock falls in canyons and ponding of water on roads will create hazardous driving conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ CAZ072-NVZ002-003-222145- /O.NEW.KREV.FA.A.0001.211024T1200Z-211025T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Greater Lake Tahoe Area-Greater Lake Tahoe Area-Greater Reno-Carson City-Minden Area- Including the cities of Truckee, Virginia City, Stateline, Tahoe City, Sparks, Glenbrook, Incline Village, Gardnerville, South Lake Tahoe, Markleeville, and Verdi 238 PM PDT Thu Oct 21 2021 ...FLOOD WATCH IN EFFECT FROM LATE SATURDAY NIGHT THROUGH MONDAY MORNING... The National Weather Service in Reno has issued a * Flood Watch for portions of east central California and western Nevada, including the following areas, in east central California, Greater Lake Tahoe Area. In western Nevada, Greater Lake Tahoe Area and Greater Reno-Carson City-Minden Area. * From late Saturday night through Monday morning. * Heavy rainfall from an atmospheric river will move into the region Saturday night and may continue into Monday morning. High snow levels will lower to near 6000 feet sometime Monday. * Debris flows, ash flows, rock falls, and tree falls are possible, especially on or near burn scars and steep terrain. This includes the Tamarack, Caldor, and Numbers burn scars. Rises on small creeks and streams are expected, equipment in and near river and creek channels should be moved to safety. Rock falls in canyons and ponding of water on roads will create hazardous driving conditions, especially along Interstate 80 between Truckee and Reno. Localized urban flooding is also possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be alert for possible Flood Warnings. && $$ CAZ073-222145- /O.NEW.KREV.FA.A.0001.211024T1800Z-211026T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Mono County- Including the cities of Bridgeport, Lee Vining, Coleville, and Mammoth Lakes 238 PM PDT Thu Oct 21 2021 ...FLOOD WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY AFTERNOON... The National Weather Service in Reno has issued a * Flood Watch for a portion of east central California, including the following area, Mono County. * From Sunday morning through Monday afternoon. * Heavy rainfall from an atmospheric river will move into the eastern Sierra by Sunday morning and may continue into Monday afternoon. High snow levels will lower to near 7000 feet sometime Monday. * Debris flows, ash flows, rock falls, and tree falls are possible, especially on or near burn scars and steep terrain. This includes the Slink and Boot burn scars. Rises on small creeks and streams are expected, equipment in and near river and creek channels should be moved to safety. Rock falls in canyons and ponding of water on roads will create hazardous driving conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be alert for possible Flood Warnings. && $$ BB
6 follow-up statements
617 WGUS65 KREV 221756 FFAREV Flood Watch National Weather Service Reno NV 1056 AM PDT Fri Oct 22 2021 .The heaviest rain is moving out of the area this morning with the next system still on track to move into the region Saturday evening. CAZ071-230200- /O.EXP.KREV.FF.A.0003.000000T0000Z-211022T1800Z/ /O.CON.KREV.FA.A.0001.211024T0600Z-211025T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Lassen-Eastern Plumas-Eastern Sierra Counties- Including the cities of Sierraville, Westwood, Susanville, Loyalton, and Portola 1056 AM PDT Fri Oct 22 2021 ...FLOOD WATCH REMAINS IN EFFECT FROM SATURDAY EVENING THROUGH LATE SUNDAY NIGHT... ...FLASH FLOOD WATCH WILL EXPIRE AT 11 AM PDT THIS MORNING... The Flood Watch continues for * A portion of northeast California, including the following area, Lassen-Eastern Plumas-Eastern Sierra Counties. * From Saturday evening through late Sunday night. * Additional heavy rainfall from an atmospheric river will move into the region Saturday and continue into Sunday night. High snow levels will lower below 6000 feet by Monday morning. * Debris flows, ash flows, rock falls, and tree falls are possible, especially on or near burn scars and steep terrain. Rises on small creeks and streams are expected, equipment in and near river and creek channels should be moved to safety. Rock falls in canyons and ponding of water on roads will create hazardous driving conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop. && The Flash Flood Watch for a portion of northeast California, including the following area, Lassen-Eastern Plumas-Eastern Sierra Counties will expire at 11 AM PDT this morning. Please continue to heed remaining road closures. $$ CAZ072-NVZ002-003-230200- /O.CON.KREV.FA.A.0001.211024T1200Z-211025T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Greater Lake Tahoe Area-Greater Lake Tahoe Area-Greater Reno-Carson City-Minden Area- Including the cities of Truckee, Virginia City, Stateline, Tahoe City, Sparks, Glenbrook, Incline Village, Gardnerville, South Lake Tahoe, Markleeville, and Verdi 1056 AM PDT Fri Oct 22 2021 ...FLOOD WATCH REMAINS IN EFFECT FROM LATE SATURDAY NIGHT THROUGH MONDAY MORNING... The Flood Watch continues for * Portions of east central California and western Nevada, including the following areas, in east central California, Greater Lake Tahoe Area. In western Nevada, Greater Lake Tahoe Area and Greater Reno-Carson City-Minden Area. * From late Saturday night through Monday morning. * Heavy rainfall from an atmospheric river will move into the region Saturday night and may continue into Monday morning. High snow levels will lower to near 6000 feet sometime Monday. * Debris flows, ash flows, rock falls, and tree falls are possible, especially on or near burn scars and steep terrain. This includes the Tamarack, Caldor, and Numbers burn scars. Rises on small creeks and streams are expected, equipment in and near river and creek channels should be moved to safety. Rock falls in canyons and ponding of water on roads will create hazardous driving conditions, especially along Interstate 80 between Truckee and Reno. Localized urban flooding is also possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop. && $$ CAZ073-230200- /O.CON.KREV.FA.A.0001.211024T1800Z-211026T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Mono County- Including the cities of Bridgeport, Lee Vining, Coleville, and Mammoth Lakes 1056 AM PDT Fri Oct 22 2021 ...FLOOD WATCH REMAINS IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY AFTERNOON... The Flood Watch continues for * A portion of east central California, including the following area, Mono County. * From Sunday morning through Monday afternoon. * Heavy rainfall from an atmospheric river will move into the eastern Sierra by Sunday morning and may continue into Monday afternoon. High snow levels will lower to near 7000 feet sometime Monday. * Debris flows, ash flows, rock falls, and tree falls are possible, especially on or near burn scars and steep terrain. This includes the Slink and Boot burn scars. Rises on small creeks and streams are expected, equipment in and near river and creek channels should be moved to safety. Rock falls in canyons and ponding of water on roads will create hazardous driving conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop. && $$ DJ
173 WGUS65 KREV 222057 FFAREV Flood Watch National Weather Service Reno NV 157 PM PDT Fri Oct 22 2021 CAZ071-232300- /O.CON.KREV.FA.A.0001.211024T0600Z-211025T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Lassen-Eastern Plumas-Eastern Sierra Counties- Including the cities of Sierraville, Westwood, Susanville, Loyalton, and Portola 157 PM PDT Fri Oct 22 2021 ...FLOOD WATCH REMAINS IN EFFECT FROM SATURDAY EVENING THROUGH LATE SUNDAY NIGHT... The Flood Watch continues for * A portion of northeast California, including the following area, Lassen-Eastern Plumas-Eastern Sierra Counties. * From Saturday evening through late Sunday night. * Additional heavy rainfall from an atmospheric river will move into the region Saturday and continue into Sunday night. High snow levels will lower below 6000 feet by Monday morning. * Debris flows, ash flows, rock falls, and tree falls are possible, especially on or near burn scars and steep terrain. Rises on small creeks and streams are expected, equipment in and near river and creek channels should be moved to safety. Rock falls in canyons and ponding of water on roads will create hazardous driving conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ CAZ072-NVZ002-003-232300- /O.CON.KREV.FA.A.0001.211024T1200Z-211025T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Greater Lake Tahoe Area-Greater Lake Tahoe Area-Greater Reno-Carson City-Minden Area- Including the cities of Truckee, Virginia City, Stateline, Tahoe City, Sparks, Glenbrook, Incline Village, Gardnerville, South Lake Tahoe, Markleeville, and Verdi 157 PM PDT Fri Oct 22 2021 ...FLOOD WATCH REMAINS IN EFFECT FROM LATE SATURDAY NIGHT THROUGH MONDAY MORNING... The Flood Watch continues for * Portions of east central California and western Nevada, including the following areas, in east central California, Greater Lake Tahoe Area. In western Nevada, Greater Lake Tahoe Area and Greater Reno-Carson City-Minden Area. * From late Saturday night through Monday morning. * Heavy rainfall from an atmospheric river will move into the region Saturday night and may continue into Monday morning. High snow levels will lower to near 6000 feet sometime Monday. * Debris flows, ash flows, rock falls, and tree falls are possible, especially on or near burn scars and steep terrain. This includes the Tamarack, Caldor, and Numbers burn scars. Rises on small creeks and reams are expected, equipment in and near river and creek channels should be moved to safety. Rock falls in canyons and ponding of water on roads will create hazardous driving conditions, specially along Interstate 80 between Truckee and Reno. Localized urban flooding is also possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be alert for possible Flood Warnings. && $$ CAZ073-232300- /O.CON.KREV.FA.A.0001.211024T1800Z-211026T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Mono County- Including the cities of Bridgeport, Lee Vining, Coleville, and Mammoth Lakes 157 PM PDT Fri Oct 22 2021 ...FLOOD WATCH REMAINS IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY AFTERNOON... The Flood Watch continues for * A portion of east central California, including the following area, Mono County. * From Sunday morning through Monday afternoon. * Heavy rainfall from an atmospheric river will move into the eastern Sierra by Sunday morning and may continue into Monday afternoon. High snow levels will lower to near 7000 feet sometime Monday. * Debris flows, ash flows, rock falls, and tree falls are possible, especially on or near burn scars and steep terrain. This includes the Slink and Boot burn scars. Rises on small creeks and streams are expected, equipment in and near river and creek channels should be moved to safety. Rock falls in canyons and ponding of water on roads will create hazardous driving conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be alert for possible Flood Warnings. && $$ BB
926 WGUS65 KREV 231906 FFAREV Flood Watch National Weather Service Reno NV 1206 PM PDT Sat Oct 23 2021 CAZ071-241915- /O.CON.KREV.FA.A.0001.211024T0600Z-211025T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Lassen-Eastern Plumas-Eastern Sierra Counties- Including the cities of Sierraville, Westwood, Susanville, Loyalton, and Portola 1206 PM PDT Sat Oct 23 2021 ...FLOOD WATCH REMAINS IN EFFECT FROM 11 PM PDT THIS EVENING THROUGH LATE SUNDAY NIGHT... The Flood Watch continues for * A portion of northeast California, including the following area, Lassen-Eastern Plumas-Eastern Sierra Counties. * From 11 PM PDT this evening through late Sunday night. * Heavy rainfall from a strong atmospheric river will move into the region tonight and continue through Sunday and Sunday night. Total rainfall of 2-4 inches east of Highway 395 and 4-6 inches west of Highway 395 in Northeast California. * Debris flows, ash flows, rock falls, and tree falls are likely, especially on or near burn scars and steep terrain. Significant rises on rivers, small creeks and streams are expected. Equipment in and near river and creek channels should be moved to safety. Rock falls in canyons and ponding of water on roads will create hazardous driving conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ CAZ072-NVZ002-003-241915- /O.CON.KREV.FA.A.0001.211024T1200Z-211025T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Greater Lake Tahoe Area-Greater Lake Tahoe Area-Greater Reno-Carson City-Minden Area- Including the cities of Truckee, Virginia City, Stateline, Tahoe City, Sparks, Glenbrook, Incline Village, Gardnerville, South Lake Tahoe, Markleeville, and Verdi 1206 PM PDT Sat Oct 23 2021 ...FLOOD WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH MONDAY MORNING... The Flood Watch continues for * Portions of east central California and western Nevada, including the following areas, in east central California, Greater Lake Tahoe Area. In western Nevada, Greater Lake Tahoe Area and Greater Reno-Carson City-Minden Area. * From late tonight through Monday morning. * Heavy rainfall from a strong atmospheric river will move into the region tonight and continue through Sunday and Sunday night. Total rainfall of 1.5 to 3 inches for Western Nevada cities, 3-4 inches for foothill areas, and 4-6 inches for the Tahoe Basin, Truckee, and Markleeville areas. * Debris flows, ash flows, rock falls, and tree falls are likely, especially on or near burn scars and steep terrain. This includes the Caldor, Tamarack, and Numbers Fires. Significant rises on rivers, small creeks and streams are expected. Equipment in and near river and creek channels should be moved to safety. Rock falls in canyons and ponding of water on roads will create hazardous driving conditions. This can especially be an issue on Interstate 80 between Reno and Truckee. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ CAZ073-241915- /O.CON.KREV.FA.A.0001.211024T1800Z-211026T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Mono County- Including the cities of Bridgeport, Lee Vining, Coleville, and Mammoth Lakes 1206 PM PDT Sat Oct 23 2021 ...FLOOD WATCH REMAINS IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY AFTERNOON... The Flood Watch continues for * A portion of east central California, including the following area, Mono County. * From Sunday morning through Monday afternoon. * Heavy rainfall from a strong atmospheric river will move into the region tonight and continue through Sunday and into Monday. Total rainfall of 2 to 4 inches along Highway 395. * Debris flows, ash flows, rock falls, and tree falls are likely, especially on or near burn scars and steep terrain. This includes the Slink, Boot, and Tamarack Fires. Significant rises on rivers, small creeks and streams are expected. Equipment in and near river and creek channels should be moved to safety. Rock falls in canyons and ponding of water on roads will create hazardous driving conditions. This can especially be an issue along Highway 395 in the Walker River Canyon. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ CS
003 WGUS65 KREV 241541 FFAREV Flood Watch National Weather Service Reno NV 841 AM PDT Sun Oct 24 2021 CAZ071-251200- /O.CON.KREV.FA.A.0001.000000T0000Z-211025T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Lassen-Eastern Plumas-Eastern Sierra Counties- Including the cities of Sierraville, Westwood, Susanville, Loyalton, and Portola 841 AM PDT Sun Oct 24 2021 ...FLOOD WATCH REMAINS IN EFFECT THROUGH LATE TONIGHT... The Flood Watch continues for * A portion of northeast California, including the following area, Lassen-Eastern Plumas-Eastern Sierra Counties. * Through late tonight. * Heavy rainfall from a strong atmospheric river will continue through tonight. Total rainfall of 2-4 inches east of Highway 395 and 4-6 inches west of Highway 395 in Northeast California. * Debris flows, ash flows, rock falls, and tree falls are likely, especially on or near burn scars and steep terrain. Significant rises on rivers, small creeks and streams are expected. Equipment in and near river and creek channels should be moved to safety. Rock falls in canyons and ponding of water on roads will create hazardous driving conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop. && $$ CAZ072-NVZ002-003-251200- /O.CON.KREV.FA.A.0001.000000T0000Z-211025T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Greater Lake Tahoe Area-Greater Lake Tahoe Area-Greater Reno-Carson City-Minden Area- Including the cities of Truckee, Virginia City, Stateline, Tahoe City, Sparks, Glenbrook, Incline Village, Gardnerville, South Lake Tahoe, Markleeville, and Verdi 841 AM PDT Sun Oct 24 2021 ...FLOOD WATCH REMAINS IN EFFECT THROUGH MONDAY MORNING... The Flood Watch continues for * Portions of east central California and western Nevada, including the following areas, in east central California, Greater Lake Tahoe Area. In western Nevada, Greater Lake Tahoe Area and Greater Reno-Carson City-Minden Area. * Through Monday morning. * Heavy rainfall from a strong atmospheric river will continue through tonight. Total rainfall of 1.5 to 3 inches for Western Nevada cities, 3-4 inches for foothill areas, and 4-6 inches for the Tahoe Basin, Truckee, and Markleeville areas. * Debris flows, ash flows, rock falls, and tree falls are likely, especially on or near burn scars and steep terrain. This includes the Caldor, Tamarack, and Numbers Fires. Significant rises on rivers, small creeks and streams are expected. Equipment in and near river and creek channels should be moved to safety. Rock falls in canyons and ponding of water on roads will create hazardous driving conditions. This can especially be an issue on Interstate 80 between Reno and Truckee. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop. && $$ CAZ073-251200- /O.CON.KREV.FA.A.0001.211024T1800Z-211026T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Mono County- Including the cities of Bridgeport, Lee Vining, Coleville, and Mammoth Lakes 841 AM PDT Sun Oct 24 2021 ...FLOOD WATCH REMAINS IN EFFECT THROUGH MONDAY AFTERNOON... The Flood Watch continues for * A portion of east central California, including the following area, Mono County. * Through Monday afternoon. * Heavy rainfall from a strong atmospheric river will continue through Monday. Total rainfall of 2 to 4 inches along Highway 395. * Debris flows, ash flows, rock falls, and tree falls are likely, especially on or near burn scars and steep terrain. This includes the Slink, Boot, and Tamarack Fires. Significant rises on rivers, small creeks and streams are expected. Equipment in and near river and creek channels should be moved to safety. Rock falls in canyons and ponding of water on roads will create hazardous driving conditions. This can especially be an issue along Highway 395 in the Walker River Canyon. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop. && $$ DJ
041 WGUS65 KREV 251048 FFAREV Flood Watch National Weather Service Reno NV 348 AM PDT Mon Oct 25 2021 CAZ071-251200- /O.CAN.KREV.FA.A.0001.000000T0000Z-211025T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Lassen-Eastern Plumas-Eastern Sierra Counties- Including the cities of Sierraville, Westwood, Susanville, Loyalton, and Portola 348 AM PDT Mon Oct 25 2021 ...FLOOD WATCH IS CANCELLED... The Flood Watch for a portion of northeast California, including the following area, Lassen-Eastern Plumas-Eastern Sierra Counties has been cancelled. The Flood Watch is cancelled. Rain has either diminished or changed to snow, so flooding is no longer expected to pose a threat. Please continue to heed remaining road closures and slow down when driving on wet roads. $$ CAZ072-NVZ002-003-251200- /O.CAN.KREV.FA.A.0001.000000T0000Z-211025T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Greater Lake Tahoe Area-Greater Lake Tahoe Area-Greater Reno-Carson City-Minden Area- Including the cities of Truckee, Virginia City, Stateline, Tahoe City, Sparks, Glenbrook, Incline Village, Gardnerville, South Lake Tahoe, Markleeville, and Verdi 348 AM PDT Mon Oct 25 2021 ...FLOOD WATCH IS CANCELLED... The Flood Watch for portions of east central California and western Nevada, including the following areas, in east central California, Greater Lake Tahoe Area. In western Nevada, Greater Lake Tahoe Area and Greater Reno-Carson City-Minden Area has been cancelled. The Flood Watch is cancelled. Rain has changed to snow in the Tahoe basin and in foothill locations of far western Nevada, and will slowly diminish this morning for lower valleys. Therefore the threat of flooding has decreased. Please continue to heed remaining road closures and slow down when driving on wet roads. $$ CAZ073-251900- /O.CON.KREV.FA.A.0001.000000T0000Z-211026T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Mono County- Including the cities of Bridgeport, Lee Vining, Coleville, and Mammoth Lakes 348 AM PDT Mon Oct 25 2021 ...FLOOD WATCH REMAINS IN EFFECT THROUGH THIS AFTERNOON... The Flood Watch continues for * A portion of east central California, including the following area, Mono County. * Through this afternoon. * Rain will continue through this morning with an additional 1-2 inches along Highway 395. The rain will change to snow in higher elevations as colder air spreads southward. * Debris flows, ash flows, rock falls, and tree falls are likely, especially on or near burn scars and steep terrain. This includes the Slink, Boot, and Tamarack Fires. Significant rises on rivers, small creeks and streams are expected. Rock falls in canyons and ponding of water on roads will create hazardous driving conditions. This can especially be an issue along Highway 395 in the Walker River Canyon. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop. && $$ MJD
370 WGUS65 KREV 251608 FFAREV Flood Watch National Weather Service Reno NV 908 AM PDT Mon Oct 25 2021 CAZ073-251715- /O.CAN.KREV.FA.A.0001.000000T0000Z-211026T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Mono County- Including the cities of Bridgeport, Lee Vining, Coleville, and Mammoth Lakes 908 AM PDT Mon Oct 25 2021 ...FLOOD WATCH IS CANCELLED... The Flood Watch for a portion of east central California, including the following area, Mono County has been cancelled. Heavy rain has ended across the area with snow levels lowering below 6500 to 7000 feet. Expect high flows on rivers, creeks, and streams to continue he rest of today as water passes into the lower portions of the Walker and Owens River basins. Please continue to use caution while traveling around the region the rest of today. $$ BB
The office that day
Everything else NWS Reno, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 21, 2:35 PM PDT | Winter Storm Watch | REV | Alpine, El Dorado, Mono, Nevada, Placer | 45 hr |
Nearby
Flood Watches in California, 2021Flood Watches in Nevada, 2021Every flood watch 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.