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Robert Krier @eyesonsdskies.bsky.social · 3h

The San Diego River at Fashion Valley is expected to reach the so-called "action" level this morning. That's when barriers go up at low spots and getting around Mission Valley gets tricky. But no significant damage is expected. #sandiegoweather #CAwx

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Robert Krier @eyesonsdskies.bsky.social · 3h

Here's how much more rain the weather service thinks we'll get today. This was posted at 4:50 this morning. The mountains could get another half inch from a separate storm Monday and Tuesday, with a couple of tenths more possible in the valleys and a tenth or so at the coast. #sandiegoweather #CAwx

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Robert Krier @eyesonsdskies.bsky.social · 4h

How wet can it get? At 10:30 last night, we'd recorded about 0.3 of an inch of rain here in inland North County. By 7:15 this morning, we were over 2.3. Palomar Mountain is at the top of the leaderboard, with 3.17 as of 7 a.m. This is San Diego's biggest storm since February. #sandiegoweather #CAwx

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Robert Krier @eyesonsdskies.bsky.social · 13h

Rainfall totals are climbing, with many hours of at least moderate rain likely into Sunday night. Totals so far are mostly higher in South County, but North County is catching up. The storm is easing the fire risk, at least temporarily, at a time when it is often at its peak. #sandiegoweather #CAwx

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Robert Krier @eyesonsdskies.bsky.social · 22h

A little appetizer rain has been recorded around San Diego County. San Diego has since added another 0.02 of an inch. The strongest gust recorded at San Diego International has been 32 mph at 10:44 a.m. The bulk of the rain is still expected late tonight & Sunday morning. #sandiegoweather #CAwx

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Robert Krier @eyesonsdskies.bsky.social · 10/10/2026

Here are the National Weather Service's three possible scenarios with Rachel: #sandiegoweather #CAwx #Rachel

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Robert Krier @eyesonsdskies.bsky.social · 10/10/2026

Haven't been able to say this for many months this hot year: If you live in S.D. County & have automatic sprinklers, you can turn them off & leave 'em off for a week or more. The bulk of the rain should fall tonight & early Sunday, but it should be moist & cool into Tuesday. #sandiegoweather #CAwx

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Robert Krier @eyesonsdskies.bsky.social · 10/10/2026

Here's how much rain the weather service predicts for various communities between about noon today and early Tuesday: Oceanside, 1.15 inches; San Diego, 1.27; Chula Vista, 1.33; Fallbrook, 1.22; La Mesa, 1.38; Palomar Mountain, 2.26; Mount Laguna, 1.81; Borrego Springs, 0.65. #sandiegoweather #CAwx

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Robert Krier @eyesonsdskies.bsky.social · 10/10/2026

Rachel bears a slight resemblance to Hilary, which dropped 1.84 inches of rain on San Diego on Aug. 20-21, 2023. At its peak, Hilary was a much stronger storm. I wrote about Hilary for Voice of San Diego as it approached: voiceofsandiego.org/2023/08/18/w... #sandiegoweather #CAwx

voiceofsandiego.org

What San Diego Should Know About Hurricane Hilary

The local weather service is using some of its strongest warning language ever. Here's what you need to know

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Robert Krier @eyesonsdskies.bsky.social · 10/10/2026

As Rachel gets closer, the rainfall projections from the National Weather Service are rising. San Diego could get 1.5 inches of rain on Sunday alone. Palomar Mountain could get 2.5 inches. Then more is likely Monday and Tuesday from a separate storm from the north. #sandiegoweather #CAwx

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Climatologist49 @climatologist49.bsky.social · 09/10/2026

The Colorado River basin's 2025-26 water year (October-September) was the warmest on record. It was also the least snowy on record. Only 16.8% of the (below average) precipitation fell as snow - shattering the previous record low.

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Robert Krier @eyesonsdskies.bsky.social · 09/10/2026

Latest look at Rachel, lurking to San Diego's southwest. The tropical storm will approach the region Saturday night. From the weather service: A continued northern shift would increase potential for heavy rain across the county with a southern shift making it more localized. #sandiegoweather #CAwx

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Robert Krier @eyesonsdskies.bsky.social · 09/10/2026

Didn't know whether to use "it's not too often you see" or "I can't recall seeing." Going with: "This is a first for me." It's a warning & watches map with a coastal flood warning, a tropical storm watch, a flood watch AND an extreme heat warning. All in Southern California. #sandiegoweather #CAwx

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Robert Krier @eyesonsdskies.bsky.social · 09/10/2026

It's possible that some spots in San Diego County will experience tropical-storm-force winds from what's left of Rachel, but the National Hurricane Center's current map shows the odds are very slim. #CAwx #sandiegoweather

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miguelkm68.bsky.social @miguelkm68.bsky.social · 09/10/2026

Yes, the main wave of rain and wind will be Saturday night and Sunday morning for San Diego. The tropical wave will move quickly out to the northeast late Sunday. But then a polar jet driven storm coming out of the north will bring much cooler weather and showers through Monday or Monday night.

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Robert Krier @eyesonsdskies.bsky.social · 09/10/2026

Real rain? Rachel (right) is struggling to keep itself together, but the National Hurricane Center expects it to be a strong tropical storm at landfall, likely near the U.S.-Mexico border. Rainfall projections include totals from a separate storm from the north Mon. & Tues. #sandiegoweather #CAwx

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Robert Krier @eyesonsdskies.bsky.social · 09/10/2026

S.D. County is now under a tropical storm watch. The National Hurricane Center moved the probability cone back to the north. So far, winds west of the mountains will likely not top 30 mph. Mountains could get 40 mph gusts. Rainfall Sunday to Tuesday estimated at 0.7 to 1 inch. #sandiegoweather #CAwx

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Robert Krier @eyesonsdskies.bsky.social · 09/10/2026

In 2025, San Diego never hit 90°. This year, it has hit at least 93° 9 times: 4 times in Sept., 5 times this month. It just missed Wednesday, with a high of 89. Hottest days this year: Oct. 3: 105 Oct. 4: 100 Oct. 5: 97 Sept. 6 & 7, Oct. 2: 95 Sept. 9: 94 Sept. 8, Oct. 6: 93 #sandiegoweather #CAwx

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Robert Krier @eyesonsdskies.bsky.social · 08/10/2026

San Diego is now outside the National Hurricane Center's latest warning cone for Tropical Storm Rachel. That doesn't mean the city won't feel impacts. Heavy rain is still possible with the current projected track, but if Rachel veers a little north, impacts could be greater. #sandiegoweather #CAwx

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Robert Krier @eyesonsdskies.bsky.social · 08/10/2026

San Diego is now on the edge of the National Hurricane Center's warning cone for Tropical Storm Rachel. But the center notes: "Hazardous conditions can occur outside of the cone." The weather service says Rachel, combined with high tides, could cause some coastal flooding. #sandiegoweather #CAwx

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Robert Krier @eyesonsdskies.bsky.social · 08/10/2026

The weather service has a harder time predicting weather coming up from the southwest, like Tropical Storm Rachel. There aren't many prior examples, nor weather stations down there. But forecasters are increasingly confident S.D. County will get soaked starting late Saturday. #sandiegoweather #CAwx

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Robert Krier @eyesonsdskies.bsky.social · 08/10/2026

It’s a beautiful, warm night for playoff baseball at Petco. 81 degrees, clear and no wind, other than the breeze created by the rally towels. #Padres #CAwx #sandiegoweather

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Anthony Edwards @edwardsanthonyb.bsky.social · 07/10/2026

Bonkers: Sea levels are running 1.2ft above the late-20th century baseline in San Diego as sea surface temperatures are about 7°F warmer than normal. These highly anomalous ocean temperatures and heights will continue through winter along the California coast amid El Niño. #CAwx

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Robert Krier @eyesonsdskies.bsky.social · 07/10/2026

A week of record-breaking heat. What's next, a tropical storm? Well, maybe. There's still uncertainty in the forecast, but the National Hurricane Center's warning cone for what is now Hurricane Rachel covers northern Baja & San Diego County Sunday morning. Rachel would then be a tropical storm.

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Robert Krier @eyesonsdskies.bsky.social · 07/10/2026

One more scorcher? The weather service expects San Diego to hit 91 today for the 6th straight day. Thursday's high is forecast to be "only" 89 - still 14 degrees above normal. If the city hits 91 today, it would tie the daily record high set in 1951. #sandiegoweather #CAwx

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Daniel Swain @weatherwest.bsky.social · 06/10/2026

Just did some number crunching using latest (Oct 1) ECMWF seasonal data, and I must say that I've never seen such high predictive confidence in a very wet California winter. This is a truly extraordinary forecast amid a record-strength El Niño event. [Thread: please read to end.]

Model-relative sea surface temperature anomalies for November 2026–January 2027. The supplied grid is displayed without added smoothing or coastal filling. Beige marks land and gray marks missing ocean values. The main colour scale spans -2 to +10°F, with white at zero. Hot pink marks anomalies above +10°F. This map does not establish an operational ENSO category.

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Robert Krier @eyesonsdskies.bsky.social · 07/10/2026

San Diego reached 93° today - not a daily record. But several other spots in the county did set or tie records. Not setting records today but still very hot: Poway, 106; Santee, 105; Fallbrook, 103; Valley Center, 102; Rancho Bernardo, La Mesa, 101; Lemon Grove, 100. #sandiegoweather #CAwx

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Robert Krier @eyesonsdskies.bsky.social · 06/10/2026

San Diego's official weather station at the airport has hit 92°. It's the fifth straight day of 92 or hotter. The weather service expects Wednesday to reach 90. Normal high this time of year is 75. Besides blazing afternoons, the nights are setting records for highest minimum. #sandiegoweather #CAwx

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Prof. Eliot Jacobson @climatecasino.net · 06/10/2026

As the reflectivity (albedo) of Earth continues to set new record lows, more of the incoming solar radiation is absorbed by the Earth system, increasing the amount of energy available to heat the oceans, atmosphere, and land, and to melt ice.

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Robert Krier @eyesonsdskies.bsky.social · 06/10/2026

Yet another record-setting day in San Diego County. For the city of San Diego, it's the 4th straight day that set or tied a daily high record. With highs in the 90s expected Tuesday & Wednesday, this could go down as the city's hottest first week of October in its history. #sandiegoweather #CAwx

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Robert Krier @eyesonsdskies.bsky.social · 05/10/2026

The record heat just keeps on coming. The inland valleys should be back near or over 100 both Monday and Tuesday. The weather service expects San Diego to cool off a little but still be in the low 90s both days. #sandiegoweather #CAwx

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Robert Krier @eyesonsdskies.bsky.social · 05/10/2026

Another day, another 100°. San Diego reached the century mark for the 2nd straight day today (100) after 105 on Saturday. Other highs today: Santee, 107; Poway, 106; Escondido, San Pasqual Valley, 105; Fallbroook, Vista, 103; Rancho Bernardo, 102; Valley Center, Ramona, 101. #sandiegeoweather #CAwx

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Prof. Eliot Jacobson @climatecasino.net · 04/10/2026

our 'moment of doom' for Oct. 4, 2026 ~ Fountain alert! "But experts say the severity and duration of this year’s fall heatwave is extreme, and likely to become more common in the future as the climate crisis nudges global temperatures higher." www.theguardian.com/us-news/2026...

theguardian.com

Southern California swelters as late-season heatwave smothers region

Temperatures expected to hover around 100F in downtown LA and even hotter inland, raising concerns about wildfires

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Robert Krier @eyesonsdskies.bsky.social · 04/10/2026

San Diego officially topped out at 105° on Saturday. It broke the daily record of 104 set in 1987. It's the 6th hottest day in city history & hottest it's been in town since 1988. Vista hit 108. Many other spots set records for either highest maximum, highest minimum or both. #sandiegoweather #CAwx

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ScottCulkin 🇺🇸/🏴󠁧󠁢󠁳󠁣󠁴󠁿/🚒🚑(ret.)/🚴/🥁/⚽ @scottculkin.bsky.social · 04/10/2026

I've been in Bay Ho nearly 8 years now. It has never been hotter than today. Not even close!

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Robert Krier @eyesonsdskies.bsky.social · 03/10/2026

Hitting the century mark: San Diego has reached 100 degrees today. #sandiegoweather #CAwx

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Robert Krier @eyesonsdskies.bsky.social · 01/10/2026

Hotober: Another month, another round of heat. Sunday should cool off, but just a degree or 2. The inland valleys should remain around 100° through at least next Wednesday. The weather service has issued an extreme heat warning for 10 a.m. Friday to 8 p.m. next Thursday. #sandiegoweather #CAwx

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Robert Krier @eyesonsdskies.bsky.social · 01/10/2026

San Diego ended September with an average temperature of 74.8°, 3.1° warmer than normal. It was the 8th warmest September on record, going back 152 years. The city has been warmer than normal every month this year. The 0.02 of an inch of rain recorded was 0.10 below normal. #sandiegoweather #CAwx

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Climatologist49 @climatologist49.bsky.social · 01/10/2026

September 2026 was the warmest September on record for the Contiguous U.S. since 1895 according to PRISM climate data. 🔥🔥🔥

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Prof. Eliot Jacobson @climatecasino.net · 30/09/2026

Breaking News! The preliminary Nino 3.4 sea-surface temperature anomaly for Sept. 29th came in at 3.18°C above the 1991-2020 baseline. This marks yet another record all-time high and the 123rd consecutive record daily high at 1.1°C above the previous daily record set in 1997.

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miguelkm68.bsky.social @miguelkm68.bsky.social · 29/09/2026

I got 0.02 inch in Carmel Mountain Sun eve.

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Prof. Eliot Jacobson @climatecasino.net · 28/09/2026

For the last 3 days the Nino 3.4 sea-surface temperature anomaly has been hodling steady in record territory at about 3.10°C above the 1991-2020 baseline, well ahead of the previous record anomaly of 3.03°C set on November 19, 2015. The Climate 8-Ball thinks everything is fine.

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Robert Krier @eyesonsdskies.bsky.social · 28/09/2026

Almost all of the moisture from former Hurricane Odalys that was flowing flowing over San Diego County is now southeast of the county and moving northeast. Meanwhile, Hurricane Polo should hit the Baja coast today with sustained winds of around 115 mph. #Polo #sandiegoweather #CAwx

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Robert Krier @eyesonsdskies.bsky.social · 28/09/2026

Clouds that have spun off from Hurricane Odalys should be with us through this afternoon, says the weather service. Rain has mostly been confined to southern San Diego County. It should cool off a few degrees today, then start warming up again. #sandiegoweather #CAwx

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Robert Krier @eyesonsdskies.bsky.social · 28/09/2026

San Diego didn't exactly get drenched last night, but the 0.02 of an inch of rain recorded at the city's official weather station at the airport is the first measurable rain in town in nearly 4 months. The last time the city got more than a trace was May 29, also 0.02. #sandiegoweather #CAwx

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Robert Krier @eyesonsdskies.bsky.social · 28/09/2026

Polo will likely still be a major hurricane (category 3 or higher) when it makes landfall on the Baja coast. The National Hurricane Center says it probably will still be a hurricane after it crosses the peninsula and the Gulf of California and then makes landfall on the mainland.

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Robert Krier @eyesonsdskies.bsky.social · 28/09/2026

We're getting a light shower here in inland North County a little after 9 p.m. Only a few spots in southern San Diego County have recorded measurable rain today. #sandiegoweather #CAwx

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Laurel Busch @laurelbusch.bsky.social · 27/09/2026

My son texted from his cruise that the ship had been rocking for the past 12 hours and they put out the barf bags. They had to change the cruise itinerary to skip Ensenada and Cabo San Lucas and stop at Puerto Vallarta tomorrow instead. In case anyone is interested.

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Robert Krier @eyesonsdskies.bsky.social · 27/09/2026

Chance of rain today, mainly in southeastern San Diego County. My brother out in Jamul says he got a few minutes of rain earlier this morning. The weather service says the cloudiness is due to moisture spinning off Hurricane Odalys hundreds of miles to the south-southwest. #sandiegoweather #CAwx

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