Storm Prediction Center Fire Weather Outlook - thorntonweather.com

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Updated: Tue, 01-Dec-2020 1:15am MST

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Day 1 fire weather outlook and map Day 2 fire weather outlook and map
Day 1 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0101 AM CST Tue Dec 01 2020 Valid 011200Z - 021200Z ...Synopsis... Early morning water-vapor imagery reveals an upper-level trough that is beginning to dig southward into the Central Rockies. This feature will drive a couple areas of fire weather concerns for today by 1) reinforcing surface high pressure across the Northwest and 2) supporting a deepening lee trough and a subsequent southward surge of cold air along the High Plains. Elsewhere, recent widespread precipitation and cooler air behind a strong surface low over the Northeast will negate any fire weather potential. ...Southern California... Recent guidance remains in reasonably good agreement regarding the strengthening of surface high pressure over the Pacific Northwest/northern Great Basin today through early Wednesday. This will gradually augment offshore pressure-gradient winds over the next 24 hours for the southern CA coast. Early morning surface observations show ongoing elevated (with a few stations reporting critical) conditions within the higher terrain of southern CA. These conditions should largely persist with a gradual increase in coverage through 12 UTC Wednesday. Critical conditions remain most likely across northern Los Angeles and Ventura counties early Wednesday morning, but should be localized enough to preclude the need for a critical delineation. ...Southeast New Mexico... Westerly downslope winds are forecast to increase across eastern NM and far western TX ahead of a southward surging cold front and in response to a deepening lee low. Sustained winds near 15 mph appear likely this afternoon with gusts upwards of 25-30 mph possible. Downslope warming and drying, coupled with deep boundary-layer mixing, should yield RH values in the low teens - especially closer to terrain features. While a few hours of elevated conditions appear likely prior to the frontal passage, recent reports from the region suggest that fuels are only modestly receptive with ERC values near or only slightly above seasonal normal. Due to the meager nature of the fuels, highlights are not introduced in this outlook. ..Moore.. 12/01/2020 ...Please see www.spc.noaa.gov/fire for graphic product... Day 2 Fire Weather Outlook
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