HomeMy WebLinkAbout_Possible SPAM_ Barracuda_ Fwd_ NWS Los Angeles_Oxnard Fire Conference Call Summary Notes_ Monday Aug_ 29th.msgCAUTION: This message originated outside of our City of Diamond Bar network.
All,
Below you will find this weeks weather update from NWS. An Excessive Heat Warning will be issued for Wednesday-Labor Day. More information to come.
For any cities that will be activating a cooling center, and you would like to have it mapped under the Ready LA County/heat page, please let me know so that I can connect you.
It's going to be a hot week. Stay cool.
Diana Manzano-Garcia, MPA
Disaster Management Area Coordinator
Area D Office of Disaster Management
500 W. Bonita Ave, Suite 5
San Dimas, CA. 91773
Office: 909-394-3399
Cell/Text Message: 626-201-0919
Office: Mon-Thu
dmanzano@areadonline.com
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Begin forwarded message:
From: David Gomberg - NOAA Federal <david.gomberg@noaa.gov>
Subject: NWS Los Angeles/Oxnard Fire Conference Call Summary Notes: Monday Aug. 29th
Date: August 29, 2022 at 1:19:39 PM PDT
Greetings.
Thank you for joining the fire weather conference call. Here is a summary of key highlights discussed on the call. Eric Boldt will be holding a webinar on Tuesday at 11 am in place
of a fire call tomorrow.
*** Elevated to brief critical fire weather conditions across all areas away from immediate coast Wednesday through Labor Day due to a long duration heat wave with low humidities and
potential for large vertical plume growth ***
*** Mid level monsoonal moisture and instability possible across LA and Ventura counties on Sunday and Labor Day ***
TUESDAY : Warming/drying trend develops
* Temperatures:
* max 70-89 coastal plain, 90-105 valleys, lower mountains, and deserts
* warmest in Antelope Valley
* min 70-80 Tuesday night across foothills/lower mountains
* Humidity:
* Minimum 12-25% (driest Antelope Valley)
* Winds:
* Typical onshore sea-breezes in afternoon/evening
* Northwest-north winds gusting 25-40 mph Tuesday night across I-5 corridor and western Santa Ynez mountains/foothills
WEDNESDAY-LABOR DAY : Significant long duration heat wave likely away from the immediate coast
*** EXCESSIVE HEAT WARNING FOR VALLEYS, MOUNTAINS, DESERTS, AND INLAND PORTIONS OF LA/VENTURA COASTAL PLAIN AND SANTA BARBARA SOUTH COAST ***
* Temperatures:
* Coastal Plain max 76-96, except 80-100 possible on Sunday and Labor Day
* Valleys, Foothills, Lower Mountains, Deserts max 97-110, except 100-112 possible on Sunday (Warmest Antelope Valley, San Fernando/Santa Clarita Valleys, San Luis Obispo Interior
Valleys)
* Hot sundowner wind event Wednesday evening will likely keep temperatures in 90-100 degree range across foothills/wind prone canyons of Santa Barbara south coast
* Mixing heights 10,000-18,000 feet across interior each afternoon
* min 72-85 each night across valleys, foothills/lower mountains
* Humidity:
* Minimum 8-20%
* Humidity levels falling to 15-25% for sundowner event Wednesday evening (foothills/wind prone canyons)
* Some uncertainty in humidity levels across LA/Ventura counties by Sunday/Monday due to potential influx of mid level monsoonal moisture
* Poor overnight recoveries, especially foothills/mountains
* Winds:
* Typical onshore sea-breezes in afternoon/evening for most areas
* Except northwest-north winds gusting 25-45 mph Wednesday night across western portions of Santa Ynez range and adjacent foothills/canyons and I-5 corridor
* Strongest sundowner winds near Gaviota/Refugio
* Peak SBA-SMX gradient -4 to -4.5 mb Wednesday evening
* Assessment:
* Elevated to brief critical fire weather conditions all areas away from immediate coast due to extended heat wave with low humidities
* Gusty northwest to north winds Wednesday night across I-5 corridor and western portions of Santa Barbara south coast/Santa Ynez mountains will bring greatest chance of brief critical
conditions (1-3 hours Red Flag conditions possible)
* Many portions of SW California now have critically dry fuel moisture levels, bringing increased risk of large fire growth with upcoming heat wave
* Some uncertainty with Sunday/Monday time frame
* Potential weak offshore flow could generate very hot temperatures
* Potential influx of mid level monsoon moisture/instability across LA/Ventura counties may impact temperature/humidity forecasts (10 percent chance of elevated thunderstorms)
* Potential for large vertical plume growth for any new fires away from the coast due to hot/unstable conditions
* Similar long duration heat waves generated large plume dominated fires in late August/early September (i.e. Station/Bobcat fires)
Read the full fire weather planning forecast: https://go.usa.gov/xRFM3 <https://go.usa.gov/xRFM3>
Monitor the current conditions with the Fire Weather Snooper at: https://www.weather.gov/lox/fwmV3 <https://www.weather.gov/lox/fwmV3>
Monitor the latest Warnings, Watches, and Advisories here: https://go.usa.gov/xfrA3 <https://go.usa.gov/xfrA3>
Fire One Page is a one-stop-shop for fire weather links: https://www.weather.gov/lox/fire <https://www.weather.gov/lox/fire>
We continue to be open and staff 24/7 for any weather related needs.
If you have any questions, please do not respond to this email, but call us at 805-988-6626 (unlisted).
--
David Gomberg
Fire Weather Program Manager
NWS Los Angeles/Oxnard
09) 839-7000 | info@diamondbarca.gov
www.diamondbarca.gov
For information about this bulletin, contact the City's Public Information Division at (909) 839-7055 or info@diamondbarca.gov <mailto:info@diamondbarca.gov?subject=City%20Hall%20Weekly%20Highlights>
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