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Latest LA area simulation |
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54 hour simulation using WRF v. 2.2.1 on Mac OS X, commencing at 4 AM PST (5 AM PDT) on the date shown in the upper left corner of the forecast plots. Most of the pictures below show the 3 PM PST (4 PM PDT) forecasts for Days 1 and 2. Clicking on most pictures generate animations (or at least larger sized images).
If older images appear here, you may need to reload/refresh this page
The LA area MM5 run is here.
The MM5-WRF simulation comparison page.
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Experimental wind and humidity measures |
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Plots spawn new windows
| Maximum 10 m wind speed (mph) | Minimum near-surface relative humidity (%) |
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| Maximum dew point depression at 2 m (deg. C) | Maximum SAII index |
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| New Santa Ana index time series | SLP difference Daggett-LAX | Dewpoint depression at LAX |
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More plots:
850 mb max wind min RH
950 mb max wind min RH
Drying ratio
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Time-height plots at LAX |
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Click image to enlarge in new window
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Near-surface air temperature and winds |
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3 PM PST (4 PM PDT) forecast of 2 m temperature and 10 m winds is shown for Days 1 and 2. Animations open in new windows.
| Day 1 (11h forecast) | Day 2 (35h forecast) |
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Low-level relative humidity and winds at 750 m |
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3 PM PST (4 PM PDT) forecast shown for Days 1 and 2. Animation opens in a new window.
| Day 1 (11h forecast) | Day 2 (35h forecast) |
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Precipitation |
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Forecast precipitation accumulation. Clicking on image will spawn hourly animation in new
window.
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Vertical cross-sections |
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Basemap for these vertical cross-sections
Cross-section "A": West to east from the Channel Islands past the Banning area, showing winds and temperatures (in Celsius) at 3 PM PST (4 PM PDT) on Day 2 over the
lowest 3 km. Clicking on image will spawn hourly animation in a new window.
Cross-section "B": As above, but southwest-to-northeast crossing San Nicolas Is to near Mojave.
Cross-sections "A" and "B" intersect near Pt. Dume. Clicking on image will spawn hourly animation in a new window.
Cross-section "C": Northwest to southeast across the Tehachapi Mtns to the San Bernardinos. Shown is a clear air turbulence index along with winds.
Clicking on image will spawn hourly a
nimation in a new window.
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Precipitable water and 4 km winds for Domains 2 and 3 |
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Precipitable water (in millimeters) and 4 km winds
at 3 OM PST (4 PM PDT) for Day 2.
Clicking on images will spawn hourly animations in new windows.
| Domain 2 | Domain 3 |
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Lifting condensation level (LCL) for Domain 2 |
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Lifting condensation level (in meters)
at 3 PM PST (4 PM PDT) on Day 2.
Clicking on image will spawn hourly animation in a new window.
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Time series plots for selected locations |
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Plots spawn new windows
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Other plots |
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Plots spawn new windows
Page created by Robert Fovell