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October 17 - 26, 2021 Storm Summary - The CNRFC has published a comprehensive summary of the significant early season precipitation event affecting California and northern Nevada in October 2021. This study includes precipitation data, a discussion of weather conditions, resulting hydrologic impacts, and verification of CNRFC forecasts. To view this study, please visit our Storm Summaries webpage or go directly to the report.

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At Least One River Guidance (Flood Forecast) Point Is Currently or Forecast to Exceed Flood Stage

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				River Guidance Forecast Status (Approximately 5 Days) Graphical RVF Search Gage Information Place cursor over gage on map for readout. River / Creek Gage / Station Latest Stage (Raw Data) Latest Flow (Raw Data) Max Forecast Stage Max Forecast Flow Forecast Issue Time

81 Gages Forecast Normal Conditions (81.0% of Gages)	17 Gages Forecast Above Monitor Stage (17.0% of Gages)	2 Gages Forecast Above Flood Stage (2.0% of Gages)	0 Gages Forecast Above Danger Stage (0.0% of Gages)
Last Map Update: Wednesday March 22nd 2023 at 4:17 PM PDT (2 Minutes Old) (Data is updated every 5 minutes)

River Guidance Points Forecast Above Specified Stage Definitions (Select NWS ID for Specified Graphical RVF)

NWS ID	River / Creek	Gage / Station	Monitor Stage	Flood Stage	Danger Stage	Latest Observed Stage / Flow	Latest Observed Date / Time	Max Forecast Stage / Flow	Forecast Status
BRDC1	SALINAS	BRADLEY	12.0	14.0		11.82 / 8,821	03/22 03:30 PM PDT	13.4 / 13,218	Above Monitor
SPRC1	SALINAS	SPRECKELS	20.0	23.0		19.91 / 6,274	03/22 04:00 PM PDT	22.2 / 9,683	Above Monitor
GARC1	SISQUOC	GAREY	11.0	16.0		10.34 / 2,008	03/22 04:00 PM PDT	11.2 / 3,066	Above Monitor
YDRC1	SANTA MARGARITA	YSIDORA	8.2	11.2		9.59 / 3,753	03/22 03:15 PM PDT	9.5 / 3,644	Above Monitor
FSNC1	SAN DIEGO	FASHION VALLEY	7.5	11.3		7.43 / 536	03/22 03:15 PM PDT	7.6 / 577	Above Monitor
CLAC1	SACRAMENTO	COLUSA WEIR	60.9	70.1	71.1	60.91 / 0	03/22 04:00 PM PDT	61.0 / 1	Above Monitor
TISC1	SACRAMENTO	TISDALE WEIR	44.1	51.6	52.6	46.36 / 9,278	03/22 03:15 PM PDT	46.3 / 8,663	Above Monitor
FMWC1	SACRAMENTO	FREMONT WEIR	32.0	39.5	40.5	33.91 / 95,869	03/22 03:15 PM PDT	33.9 / 95,548	Above Monitor
RVBC1	SACRAMENTO	RIO VISTA	7.4	11.9	12.9	7.6 / NA	03/22 03:45 PM PDT	8.0 / NA	Above Monitor
LSBC1	YOLO BYPASS	LISBON	13.0	19.0	26.2	17.0 / NA	03/22 03:15 PM PDT	16.9 / NA	Above Monitor
CLKC1	CLEAR LAKE	LAKEPORT	8.0	9.0		8.23 / 344,383	03/22 03:15 PM PDT	8.3 / 346,357	Above Monitor
STVC1	MERCED	STEVINSON	68.0	71.0		70.77 / 5,583	03/22 04:00 PM PDT	72.1 / 6,568	Above Flood
NWMC1	SAN JOAQUIN	NEWMAN	63.0	69.4	70.4	65.56 / 17,261	03/22 03:45 PM PDT	65.9 / 18,921	Above Monitor
PATC1	SAN JOAQUIN	PATTERSON	48.0	54.7	55.7	49.94 / 18,596	03/22 03:45 PM PDT	50.5 / 19,983	Above Monitor
MDSC1	TUOLUMNE	MODESTO	50.5	55.0		54.52 / 10,510	03/22 03:45 PM PDT	54.5 / 10,484	Above Monitor
VNSC1	SAN JOAQUIN	VERNALIS	24.5	29.0	29.5	29.44 / 35,557	03/22 03:45 PM PDT	29.5 / 35,630	Above Flood
MOSC1	SAN JOAQUIN	MOSSDALE	19.5	28.5	29.5	20.2 / NA	03/22 03:45 PM PDT	20.2 / NA	Above Monitor
MHBC1	COSUMNES	MICHIGAN BAR	7.0	12.0		7.07 / 3,961	03/22 03:30 PM PDT	7.1 / 3,971	Above Monitor
MCNC1	COSUMNES	MCCONNELL	36.0	42.0		35.7 / NA	03/22 03:15 PM PDT	36.1 / NA	Above Monitor
NOTE Stage is presented in "Feet" while Flow (Storage at CLKC1) is presented in "cfs" ("Acre-Feet").

River Guidance Forecast Group Issuance and Next Update Times (Select Forecast Group for Specified Text RVF)

FG ID	Forecast Group		Issuance Time	Next Update Time
SE	North Coast	[ Alternate Link ]	Mar 22 2023 at 2:24 PM PDT	Mar 23 2023 at 9:00 AM PDT
RN	Russian Napa	[ Alternate Link ]	Mar 22 2023 at 2:52 PM PDT	Mar 23 2023 at 9:00 AM PDT
USA	Upper Sacramento	[ Alternate Link ]	Mar 22 2023 at 2:39 PM PDT	Mar 23 2023 at 9:00 AM PDT
LSC	Lower Sacramento	[ Alternate Link ]	Mar 22 2023 at 3:00 PM PDT	Mar 23 2023 at 9:00 AM PDT
SJ	San Joaquin	[ Alternate Link ]	Mar 22 2023 at 2:20 PM PDT	Mar 23 2023 at 9:00 AM PDT
CC	Central Coast	[ Alternate Link ]	Mar 22 2023 at 2:52 PM PDT	Mar 23 2023 at 9:00 AM PDT
SCA	Southern California	[ Alternate Link ]	Mar 22 2023 at 3:22 PM PDT	Mar 23 2023 at 9:00 AM PDT
ES	Eastern Sierra	[ Alternate Link ]	Mar 22 2023 at 3:09 PM PDT	Mar 23 2023 at 9:00 AM PDT
HBT	Humboldt	[ Alternate Link ]	Mar 22 2023 at 3:11 PM PDT	Mar 23 2023 at 9:00 AM PDT
SAC	Sacramento Delta (Tides)	[ Alternate Link ]	Mar 22 2023 at 6:14 AM PDT	Mar 23 2023 at 9:00 AM PDT

NOTE 1 The Klamath and North Coast river guidance points are included in the North Coast Forecast Group.
NOTE 2 The Feather Yuba, American, and Cache Putah river guidance points are included in the Lower Sacramento River Forecast Group.
NOTE 3 The Delta Region, Upper and Lower San Joaquin, and Tulare river guidance points are combined in the San Joaquin River Forecast Group.
NOTE 4 The Salinas Pajaro and South Bay river guidance points are included in the Central Coast Forecast Group.
NOTE 5 The Southern California and San Diego/Inland river guidance points are included in the Southern California Forecast Group.

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