SPC - No watches are valid as of Sat Apr 20 00:55:01 UTC 2024

No watches are valid as of Sat Apr 20 00:55:01 UTC 2024.


SPC - No MDs are in effect as of Sat Apr 20 00:55:01 UTC 2024

No Mesoscale Discussions are in effect as of Sat Apr 20 00:55:01 UTC 2024.


SPC Apr 20, 2024 0100 UTC Day 1 Convective Outlook

SPC 0100Z Day 1 Outlook
      
Day 1 Outlook Image
Day 1 Convective Outlook  
NWS Storm Prediction Center Norman OK
0748 PM CDT Fri Apr 19 2024

Valid 200100Z - 201200Z

...NO SEVERE THUNDERSTORM AREAS FORECAST...

...SUMMARY...
Severe threat appears minimal with thunderstorms tonight.

...01z Update...

Very isolated thunderstorms continue this evening across the
southern Appalachian region into the Carolinas. This activity
developed in large part due to strong boundary-layer heating in
conjunction with frontal forcing and orographic influences. However,
nocturnal cooling and weak large-scale forcing favor gradual
weakening over the next few hours. While a few flashes of lightning
will be noted with the most robust updrafts, the probability of
severe appears too low to warrant a MRGL risk overnight.

Upstream, weak mid-level short-wave trough is advancing across far
west TX. This feature will encourage weak LLJ across the Edwards
Plateau later this evening, and a corridor of focused low-level warm
advection will become established from northwest TX into the Red
River region late. Elevated thunderstorms will develop along this
zone, and while hail can't be ruled out with the strongest storms,
the risk of hail, in excess of 1 inch, appears too low to warrant
severe probabilities.

..Darrow.. 04/20/2024

Read more

SPC Day 3-8 Fire Weather Outlook

SPC Day 3-8 Fire Weather Outlook
          
Day 3-8 Fire Weather Outlook Image
Day 3-8 Fire Weather Outlook RESENT 3
NWS Storm Prediction Center Norman OK
0548 PM CDT Fri Apr 19 2024

Valid 211200Z - 271200Z

An upper-level ridging pattern will persist across the western half
of the CONUS through at least Day 6/Wednesday, as multiple mid-level
troughs amplify while traversing the CONUS east of the Mississippi
River. Medium-range guidance members depict an appreciable chance
for accumulating rainfall from portions of the southern Plains to
the East Coast, which in combination with moist low-level
conditions, should limit significant wildfire-spread concerns.

By Days 7-8 (next Thursday-Friday), medium-range guidance shows a
mid-level trough amplifying over the Rockies, encouraging surface
cyclone development along the High Plains. A dryline should become
established across western Kansas into western Texas each afternoon,
with Elevated to Critically dry and windy conditions likely behind
the dryline. However, appreciable rainfall accumulations may occur
within the next few days over these same areas. Since the impacts of
rainfall upon available fuels is not yet understood, higher Critical
probabilities have been withheld this outlook.

..Squitieri.. 04/19/2024

...Please see www.spc.noaa.gov/fire for graphic product...

Read more





Chino Hills, Ca. Weather | www.ChinoHillsWeather.com