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Track Hurricane Hilary Storm Coverage Heading to SoCal






Major TV stations in Los Angeles and San Diego are covering the rare hurricane heading to Southern California.
 
Phoenix news tonight reported it would be the first hurricane of that type and direction since 1939.
 
The "dead center" of the hurricane's path goes right over the Coachella Valley.... Palm Springs all the way down to the Salton Sea. We are anticipating 6" to 7" of rain in the mountains surrounding the valley, and about 5" in the valley itself. Since the mountain rains run off into our valley, that means the flow through the stormwater protection channels will be the equivalent of as much as 10" of rain... about three times the normal annual rain here in the desert.

Flood control channels: Stormwater Protection & Flood Control | Coachella Valley Water District - Official Website
 
Phoenix news tonight reported it would be the first hurricane of that type and direction since 1939.
Keep in mind that as soon as the hurricane crosses Baja California, starting somewhere near Ensenada, B.C., it will no longer be a hurricane. By the time it gets to the US border, it will be a tropical storm.
 
Any chance of tornadoes being triggered by this storm? I'm picturing the unintentionally funny LA tornado scene in "The Day After Tomorrow."
 
Keep in mind that as soon as the hurricane crosses Baja California, starting somewhere near Ensenada, B.C., it will no longer be a hurricane. By the time it gets to the US border, it will be a tropical storm.
Keep in mind that, while weather predicting has improved immensely in recent years, it's still a prediction. They do get it wrong sometimes, for better or worse. ("Worse" could mean the target area is off by some distance, or that the hurricane does not devolve into a tropical storm before hitting the Southland.)

Anyone who lives (or has lived) back East knows the danger of presuming that the predicted path of an impending hurricane means they don't need to waste their time preparing for it. No shortage of my former New York City-area neighbors who rode out Superstorm Sandy can attest to that little fact.
 
Keep in mind that, while weather predicting has improved immensely in recent years, it's still a prediction. They do get it wrong sometimes, for better or worse. ("Worse" could mean the target area is off by some distance, or that the hurricane does not devolve into a tropical storm before hitting the Southland.)

Anyone who lives (or has lived) back East knows the danger of presuming that the predicted path of an impending hurricane means they don't need to waste their time preparing for it. No shortage of my former New York City-area neighbors who rode out Superstorm Sandy can attest to that little fact.
The coastal waters are too cold for this storm not to lose its hurricane status before reaching San Diego, never mind L.A, But torrential rain and 50-70 mph wind is very dangerous.
 
The coastal waters are too cold for this storm not to lose its hurricane status before reaching San Diego, never mind L.A, But torrential rain and 50-70 mph wind is very dangerous.
We're in luck that the water isn't over 70 in the San Diego like it was a couple weeks ago. We'll find out if this storm's a bust or not, at least the rain would mitigate the fire danger for awhile.
 
Is there a chance that they could call evacuations in low-lying areas? If Hilary continues on her path, even as a tropical storm, it could be devastating to Southern California and especially the Imperial Valley. Remember Allison in 2001? It was a tropical storm but caused some of Houston's worst flooding ever (until Harvey, that is).

Bring on the rain, and I hope Hilary takes it up to ID/MT/eastern WA as remnants to put out some of the wildfires that are burning out there.
 
LA County and LA City Hall just had press conference to respond to the rare hurricane heading to Southern California.
It's not "rare". It is the first time ever that a hurricane may actually touch the SoCal border area.
On the bright side, The Salton Sea will get much needed water.
Not enough to make much of a difference. Even though the whole Coachella Valley drains into the Sea as a last resort (through big, dry, empty channels), not enough water will make it in that direction to raise the level more than perhaps a foot. Most of the rain soaks down into the aquifer, which is an even better thing as "The Desert" has water for decades down there.
 
Is there a chance that they could call evacuations in low-lying areas? If Hilary continues on her path, even as a tropical storm, it could be devastating to Southern California and especially the Imperial Valley. Remember Allison in 2001? It was a tropical storm but caused some of Houston's worst flooding ever (until Harvey, that is).
The Imperial Valley is a great big sponge, and can absorb water very fast. It is mostly agricultural land or desert. It does have, though, direct paths for the water to drain into the Salton Sea and it's sloped like the natural seabed it once was.

The danger is in urban areas like the greater Palm Springs area where the natural terrain has been covered with houses, roads and parking lots where heavy rains can't drain easily.
Bring on the rain, and I hope Hilary takes it up to ID/MT/eastern WA as remnants to put out some of the wildfires that are burning out there.
The risk of excessive rains in already burnt areas is mudslides and flooding... very dangerous.
 
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The coastal waters are too cold for this storm not to lose its hurricane status before reaching San Diego, never mind L.A, But torrential rain and 50-70 mph wind is very dangerous.
There is considerable talk now (including a text bulletin with alert tonnes I just got from Riverside County) saying that since the eye has moved a bit more to the West that it is possible that hurricane force winds could cross the border for a number of miles. That would mean that Calexico, Brawley, Indio, La Quinta, Palm Desert and Palm Springs as well as all the border areas of San Diego might get very close to hurricane winds or even a real hurricane.

I have been through more hurricanes than I can remember in my decades in Puerto Rico, and borderline hurricanes are not that destructive. A few signs blow down, but the real issue is the rain. Few die from the winds. They die from flooding.
 
Keep in mind that, while weather predicting has improved immensely in recent years, it's still a prediction. They do get it wrong sometimes, for better or worse. ("Worse" could mean the target area is off by some distance, or that the hurricane does not devolve into a tropical storm before hitting the Southland.)

Anyone who lives (or has lived) back East knows the danger of presuming that the predicted path of an impending hurricane means they don't need to waste their time preparing for it. No shortage of my former New York City-area neighbors who rode out Superstorm Sandy can attest to that little fact.
As mentioned earlier, the risk is in flooding, with the winds being a vastly lesser evil. I had the eye of a Cat 4 go right over my neighborhood, but no damage to my house. I lived on a hillside on the southern side of San Juan, so no flooding.
 
I guess the parts of the Los Angeles River which can sometimes be dry for long periods (where the drag race scene in Grease and a bunch of TV shows and movies have been filmed) will get some use!
 
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