Fire Weather Outlook Discussion
Issued by NWS
Issued by NWS
125 FNUS21 KWNS 101632 FWDDY1 Day 1 Fire Weather Outlook NWS Storm Prediction Center Norman OK 1031 AM CST Mon Nov 10 2025 Valid 101700Z - 111200Z ...Southeast/Northern Gulf Coast... Dry northwest flow in the wake of a strong cold front will continue to promote elevated fire weather concerns to the Southeast and northern Gulf Coast through this afternoon. Dewpoints along the Gulf Coast currently in the 20s will drop further into the lower teens by the afternoon, resulting in afternoon relative humidity values in the 20-30% range, despite cooler temperatures. Recent rainfall across southern GA should mitigate fire spread potential, but pockets of dry, drought stressed fuels remain within the region. The drier fuels aligning with dry and breezy offshore winds should still support an elevated fire weather threat today. ...Southern California... A modest offshore pressure gradient remains over the Southern CA region with surface high pressure situated over the Great Basin/interior Southwest. Current surface observations across the region show wind gusts of around 30 mph from the east-northeast in favored terrain gaps. Relative humidity values of 15-20% combined with the breezy offshore winds will support isolated elevated fire weather threat through the morning, with improving conditions heading into the afternoon as offshore pressure gradient diminishes. ..Williams.. 11/10/2025 .PREV DISCUSSION... /ISSUED 1253 AM CST Mon Nov 10 2025/ ...Synopsis... A dry continental air mass has infiltrated the Southeast and Gulf Coast states in the wake of a strong cold front. Within the base of an amplified large-scale trough over the East, strong deep-layer west-northwesterly flow will overspread this dry (albeit cool) air mass through the day. This, combined with a tight pressure gradient, will yield 15-20 mph sustained west-northwesterly surface winds (with higher gusts) amid 20-30 percent RH during the afternoon. While some areas that received rainfall along the passing front on Sunday may have a slightly reduced fire risk (i.e., parts of southern GA), ongoing drought conditions will still favor elevated fire-weather conditions for much of the central Gulf Coast states and southern GA. Farther west, expansive surface high pressure over the Great Basin will maintain a tightened offshore pressure gradient across southern CA. As a result, warm, dry, and breezy/gusty conditions across the wind-prone mountains and valleys of Los Angeles and Ventura Counties will yield a locally elevated fire-weather risk. ...Please see www.spc.noaa.gov/fire for graphic product... $$