SPC Day 1 Fire Weather Outlook
2024-04-27
SPC Day 1 Fire Weather Outlook
Day 1 Fire Weather Outlook NWS Storm Prediction Center Norman OK 1056 AM CDT Sat Apr 27 2024 Valid 271700Z - 281200Z ...CRITICAL FIRE WEATHER AREA FOR PORTIONS OF THE SOUTHERN HIGH PLAINS... The previous forecast remains on track, with some trimming of the fire weather highlights made where clouds and/or low-level moisture is expected to persist through the day. Clear skies are present behind the dryline, which is currently located over the eastern Texas Panhandle. RH is already dropping into the 15-25 percent range as the boundary layer mixes. With further daytime heating, surface RH should drop into the 10-20 percent range as westerly sustained surface winds approach 20+ mph, warranting the continuation of Critical highlights over portions of the southern High Plains. ..Squitieri.. 04/27/2024 .PREV DISCUSSION... /ISSUED 0158 AM CDT Sat Apr 27 2024/ ...Synopsis... A strong mid-level jet streak will round the base of the western trough today, with strong lee cyclogenesis resulting across the High Plains. Strengthening flow amid very dry conditions will lead to Elevated to Critical fire weather concerns across portions of the southern High Plains into the central High Plains. ...Southern and Central High Plains... A deeply mixed air mass is expected to be in be in place by this afternoon across portions of eastern New Mexico into and eastward into the Oklahoma/Texas Panhandles into southwestern Kansas. In these regions, sustained surface winds 20-30 mph will overlap afternoon relative humidity reductions to around 5-10 percent. The Critical area was expanded further into southwestern Kansas, given recent trends. While some spotty Extremely Critical conditions are possible, fuels do not yet support inclusion of an Extremely Critical area at this time. ...Please see www.spc.noaa.gov/fire for graphic product...
