El Niño update, October 28: what to know

What’s happening

• Active NWS alert: Freeze Warning, in effect until 9:00 AM PDT (NWS Eureka CA), for parts of Northwestern Interior Mendocino, Northeastern Interior Mendocino and Northern Lake. Source: NWS active alerts — CA (opens in a new tab)
• Active NWS alert: Coastal Flood Advisory, in effect until 3:00 PM PDT (NWS Eureka CA), for parts of Northern Coastal Humboldt. Source: NWS active alerts — CA (opens in a new tab)
• Active NWS alert: Coastal Flood Advisory, in effect until 6:00 PM PDT (NWS San Francisco CA), for parts of San Francisco, North Bay Interior Valleys and San Francisco Bay Shoreline. Source: NWS active alerts — CA (opens in a new tab)

What to watch for

• NOAA’s Climate Prediction Center says: “Slight risk of heavy precipitation for portions of the Pacific Northwest and northwestern California, Sat-Wed, Nov 7-11.” Source: CPC U.S. Hazards Outlook (opens in a new tab)
• NOAA’s Climate Prediction Center says: “Slight risk of high winds for coastal portions of the Pacific Northwest, and the northwestern California coast, Sat-Wed, Nov 7-11.” Source: CPC U.S. Hazards Outlook (opens in a new tab)
• The Weather Prediction Center says: “The AIFS runs have been persistent in showing more of a digging northern stream, which brings the southern stream shortwave (carrying an interestingly far south non-tropical surface low) farther east into southern California/northern Mexico…” Source: WPC Extended Forecast Discussion (opens in a new tab)

Active NWS alerts: Coastal Flood Advisory: 3 (CA) · Freeze Warning: 1 (CA) · Frost Advisory: 1 (CA)

What’s happening

• Active NWS alert: Coastal Flood Warning, in effect until 1:00 PM PDT (NWS San Diego CA), for parts of San Diego County Coastal Areas and Orange County Coastal. Source: NWS active alerts — CA (opens in a new tab)
• Active NWS alert: Coastal Flood Advisory, in effect until 2:00 PM PDT (NWS San Diego CA), for parts of San Diego County Coastal Areas and Orange County Coastal. Source: NWS active alerts — CA (opens in a new tab)
• Active NWS alert: Coastal Flood Advisory, in effect until 2:00 PM PDT (NWS Los Angeles/Oxnard CA), for parts of San Luis Obispo County Beaches, Santa Barbara County Central Coast Beaches and Santa Barbara County Southwestern Coast. Source: NWS active alerts — CA (opens in a new tab)

What to watch for

• The Weather Prediction Center says: “The AIFS runs have been persistent in showing more of a digging northern stream, which brings the southern stream shortwave (carrying an interestingly far south non-tropical surface low) farther east into southern California/northern Mexico…” Source: WPC Extended Forecast Discussion (opens in a new tab)

Active NWS alerts: Coastal Flood Advisory: 3 (CA) · Coastal Flood Warning: 1 (CA)

What’s happening

• Active NWS alert: Flood Warning (NWS Albuquerque NM), for parts of Rio Arriba, NM. Source: NWS active alerts — NM (opens in a new tab)
• Active NWS alert: Flood Advisory, in effect until 12:00 PM MDT (NWS Albuquerque NM), for parts of Rio Arriba, NM and Taos, NM. Source: NWS active alerts — NM (opens in a new tab)
• The Weather Prediction Center says: “As such, there is a high-end Slight Risk (level 2/4) of excessive rainfall across portions of West and Central Texas on Thursday, with a Marginal Risk (level 1/4) extending into southern New Mexico.” Source: WPC Short Range Forecast Discussion (opens in a new tab)

What to watch for

• NOAA’s Climate Prediction Center says: “Farther to the south, weak ridging is forecast across portions of the southwestern CONUS with downstream troughing predicted over the Southern Plains and Lower Mississippi Valley.” Source: CPC 6-10 / 8-14 Day Outlook Discussion (opens in a new tab)

Active NWS alerts: Flood Advisory: 1 (NM) · Flood Warning: 1 (NM)

What’s happening

• Active NWS alert: Coastal Flood Advisory, in effect until 5:00 AM CDT (NWS Corpus Christi TX), for parts of Aransas Islands, Kleberg Islands and Nueces Islands. Source: NWS active alerts — TX (opens in a new tab)
• Active NWS alert: Coastal Flood Advisory, in effect until 4:00 AM CDT (NWS New Orleans LA), for parts of Southern Hancock. Source: NWS active alerts — MS (opens in a new tab)
• Active NWS alert: Coastal Flood Statement, in effect until 7:00 AM CDT (NWS Brownsville TX), for parts of Kenedy Island, Willacy Island and Cameron Island. Source: NWS active alerts — TX (opens in a new tab)

What to watch for

No items for this region in this post.

Active NWS alerts: Coastal Flood Advisory: 2 (TX, MS) · Coastal Flood Statement: 1 (TX)

What’s happening

• Active NWS alert: Coastal Flood Warning, in effect until 8:00 PM EDT (NWS Miami FL), for parts of Coastal Broward County and Coastal Miami Dade County. Source: NWS active alerts — FL (opens in a new tab)
• Active NWS alert: Coastal Flood Warning, in effect until 5:00 AM EDT (NWS Key West FL), for parts of Monroe Upper Keys, Monroe Middle Keys and Monroe Lower Keys. Source: NWS active alerts — FL (opens in a new tab)
• Active NWS alert: Coastal Flood Warning, in effect until 2:00 AM EDT (NWS Jacksonville FL), for parts of Inland Flagler, Eastern Clay and Eastern Putnam. Source: NWS active alerts — FL (opens in a new tab)

What to watch for

No items for this region in this post.

Active NWS alerts: Rip Current Statement: 8 (FL, GA, SC, NC) · Coastal Flood Advisory: 7 (FL, NC) · Coastal Flood Warning: 7 (FL, GA) · Beach Hazards Statement: 4 (NC) · High Surf Advisory: 3 (FL) · Flood Warning: 2 (FL) · Coastal Flood Statement: 1 (FL)