Storm Prediction Center Day 2 Fire Weather Outlook
Created: Thu Jun 22 16:54:02 UTC 2017 ( | )
Click for Day 2 FireWX Areal Outline Product (KWNSPFWFD2)
ZCZC SPCFWDDY2 ALL FNUS22 KWNS 221649 Day 2 Fire Weather Outlook NWS Storm Prediction Center Norman OK 1149 AM CDT Thu Jun 22 2017 Valid 231200Z - 241200Z No changes have been made to the ongoing forecast. ..Cohen.. 06/22/2017 .PREV DISCUSSION... /ISSUED 0333 AM CDT Thu Jun 22 2017/ ...Synopsis... Broadly cyclonic flow aloft will exist across much of the Lower 48 today as a series of progressive shortwave troughs migrate eastward across the northern Plains and Great Lakes region. Broad height falls in the central Rockies will aid in continuing to weaken the Southwestern U.S. ridge throughout the day. At the surface, high pressure will build into the Rockies and adjacent Plains, which will result in a tempering of low-level wind fields in most areas during peak heating hours. Although very hot and dry conditions will likely exist during the afternoon and early evening, notable fire weather concerns will be limited to a small part of southern California as weaker wind fields and a lessened thunderstorm risk will mitigate the overall fire weather risk elsewhere. ...Southern California... Gusty, southwesterly onshore flow will once again occur during the afternoon and evening hours in coastal ranges, exceeding 20mph at times. The near-coastal airmass will quickly modify with inland extent as a result of insolation and surface heating, with 90s-100 degree F surface temperatures and 10-15% RH becoming common. Fuels will also be dry across the region. An elevated fire weather delineation has been made to address this threat. ...Please see www.spc.noaa.gov/fire for graphic product...
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