U.S. Alerts
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U.S. Day 1 Fire Weather Outlook

   ZCZC SPCFWDDY1 ALL
   FNUS21 KWNS 121510

   Day 1 Fire Weather Outlook  
   NWS Storm Prediction Center Norman OK
   0910 AM CST Tue Nov 12 2024

   Valid 121700Z - 131200Z

   The Elevated area in the Northeast was expanded southward based on
   current observations (winds gusting 20-45 mph, RH of 40-60%) and the
   latest high-resolution forecast guidance. RH and temperatures will
   be close to elevated criteria, but wind gusts of 25-50 mph and near
   to record setting high fire danger will create elevated to locally
   critical fire weather conditions in the outlook area. 

   The Elevated area in southern California remains on track. Overnight
   RH recovery was moderate to excellent with north-northwest wind
   gusts of 25-60 mph early this morning. The strongest winds will
   struggle to overlap with elevated/critical RH, but elevated fire
   weather conditions remain likely in portions of the Transverse
   Ranges/vicinity, primarily on southern/ocean-facing slopes.

   ..Nauslar.. 11/12/2024

   .PREV DISCUSSION... /ISSUED 0158 AM CST Tue Nov 12 2024/

   ...Synopsis...
   ...Southern California...
   A weak cold front will move across southern California through the
   morning. Behind this frontal passage, gusty northwest winds
   will be enhanced near favored downslope terrain features across
   Santa Barbra and Ventura Counties. Relative humidity will hover
   around elevated thresholds. Relative humidity will decrease,
   especially at mid/upper slopes, below critical relative humidity
   thresholds with poor overnight recovery tonight into D2/Wednesday
   morning. However, winds are expected to weaken below thresholds
   during this period. An Elevated delineation was maintained with this
   outlook.

   ...New England...
   Gusty northwesterly flow will overlap relative humidity reductions
   to 35-40 percent across New England this afternoon. Though relative
   humidity will be marginal, recent fire activity has shown fuels in
   this region are receptive to fire spread with drought conditions and
   very little recent rainfall. An Elevated delineation was included to
   cover this threat, given the potential for strong and gusty winds.
      

U.S. Day 2 Fire Weather Outlook


   ZCZC SPCFWDDY2 ALL
   FNUS22 KWNS 121900

   Day 2 Fire Weather Outlook  
   NWS Storm Prediction Center Norman OK
   0100 PM CST Tue Nov 12 2024

   Valid 131200Z - 141200Z

   The Elevated area was expanded slightly based on the latest
   high-resolution forecast guidance and current dry/windy conditions.
   Elsewhere, locally elevated conditions are possible in portions in
   southwest Texas and along the Sierra Front. Locally elevated
   conditions are also possible in the Appalachians from
   Tennessee-North Carolina border through the West Virginia-Virginia
   border as southeast winds strengthen with some downslope enhancement
   ahead of precipitation Wednesday night.

   ..Nauslar.. 11/12/2024

   .PREV DISCUSSION... /ISSUED 0200 AM CST Tue Nov 12 2024/

   ...Synopsis...
   Gusty post-frontal off-shore flow will continue across portions of
   the Northeast from far eastern PA and southern NJ extending
   northeast through southern New England. A very dry air mass will
   remain in place with relative humidity reductions to around 30-35
   percent likely. Given the drought conditions and receptive fuels in
   this region, an Elevated delineation was maintained with this
   outlook. Locally Critical conditions may be possible, though the
   limited spatial extent of this threat precludes the need to include
   a Critical area at this time.


U.S. Day 3-8 Fire Weather Outlook


   ZCZC SPCFWDD38 ALL
   FNUS28 KWNS 122135

   Day 3-8 Fire Weather Outlook  
   NWS Storm Prediction Center Norman OK
   0335 PM CST Tue Nov 12 2024

   Valid 141200Z - 201200Z

   Upper-level troughing is expected over both the East and West Coasts
   Day 3/Thursday - Day 5/Saturday, with upper-level ridging slowly
   shifting from over the central US to over portions of the eastern
   US. There is forecast uncertainty regarding how this amplified
   upper-level pattern progresses early next week, which will have
   ramifications for potential fire weather concerns in
   southern/central California and the Northeast. 

   ...Northeast and Mid-Atlantic...
   An approaching warm front with associated cloud cover and possible
   shower activity will limit fire weather concerns across the
   Mid-Atlantic and into portions of the Northeast on Day 3/Thursday.
   However, dry/breezy conditions are likely to develop across portions
   of the Mid-Atlantic and Northeast Day 4/Friday - Day 6/Saturday.
   Given the recent drought, lack of forecast rain, and near to record
   high fire danger, 40% probabilities were expanded and introduced
   during what appears to be a multi-day fire weather episode. Some
   forecast uncertainty remains regarding forecast precipitation and
   where the greatest overlap of elevated/critical winds/RH will be,
   but confidence is increasing in at least elevated fire weather
   conditions for portions of New Jersey, eastern Pennsylvania, the
   Hudson Valley/vicinity, and southern New England late this week
   through the weekend. 

   ...Southern/central California...
   Breezy/gusty north-northwest winds are possible in portions of
   central/southern California Day 5/Saturday into Day 7/Monday as
   multiple cold fronts sweep south and east over the region. The
   southern extent of forecast precipitation and the magnitude of these
   winds remain uncertain precluding 40% areas at this time. Confidence
   is increasing in an offshore/Santa Ana wind event mid-next week,
   which is on the edge of the outlook period. This event may start on
   Day 8/Tuesday and last multiple days. This will be monitored and if
   trends hold, probabilities will likely be added in subsequent
   extended outlooks.

   ..Nauslar.. 11/12/2024
      




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