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SANTA MARGARITA - YSIDORA (YDRC1)

Latitude: 33.31º N	Longitude: 117.35º W	Elevation: 75 Feet
Location: San Diego County in California		Bulletin Group: Southern California		River Group: San Diego/Inland

Issuance Time:

Dec 07, 2023 at 2:12 PM PST

Monitor Stage: 8.2 Feet

Flood Stage: 11.2 Feet

Please Note:

Ensemble forecasts produced by CNRFC only consider meteorological uncertainty and do not account for hydrologic uncertainty.

Threshold Exceedance Plot Product Information

CSV Ensemble File Download (Data in feet): YDRC1

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		Official Forecast (Deterministic)

		Prob. of Threshold Exceedance
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What information is considered in this forecast?

Verification / Historical Plots
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Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Impacts - E19 Information
8.2 Feet	Personnel begin regular patrols along the levee.
11.2 Feet	Vandegrift Road has begun to flood downstream of the gage. Stuart Mesa Road closures can be expected.
13.3 Feet	Vandegrift Road flooded for several miles downstream of the gage site. Stuart Mesa Road is flooded near the bridge.
16.0 Feet	Widespread inundation on Camp Pendleton with base evacuations likely. 01/16/1993 - flood of record.

Official 7 Day National Weather Service Forecast (CAZ043)

Today: Partly cloudy with patchy fog this morning and becoming mostly sunny. Highs around 70. Light winds.

Tonight: Mostly clear. Lows 43 to 49. Areas of winds north 10 mph becoming east 10 to 20 mph with gusts to 30 mph overnight.

Saturday: Mostly sunny. Highs 72 to 77. Areas of winds east 10 to 20 mph. Gusts to 35 mph and becoming 30 mph in the afternoon.

Saturday Night: Mostly clear. Lows 42 to 50. Areas of winds east 10 to 20 mph with gusts to 30 mph.

Sunday: Mostly sunny. Highs 71 to 76 near the coast to 77 inland. Areas of winds northeast 10 to 15 mph with gusts to 30 mph becoming north in the afternoon.

Sunday Night: Partly cloudy. Lows 43 to 50.

Monday: Mostly cloudy in the morning and becoming partly cloudy. Highs 68 to 72 near the coast to 73 inland.

Monday Night: Partly cloudy. Lows 42 to 50.

Tuesday: Partly cloudy in the morning and becoming mostly sunny. Highs 65 to 70 near the coast to 71 inland.

Tuesday Night: Mostly clear. Lows 43 to 50.

Wednesday: Mostly sunny. Highs 71 to 75.

Wednesday Night: Mostly clear. Lows 42 to 49.

Thursday: Mostly sunny. Highs around 70 near the coast to 72 inland.

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