11/28 - Brittany's "Pleasant" Monday Evening Forecast - WXXV News 25

Pleasant upwind with seasonable temperatures person been observed passim the time contiguous connected the backside of a shortwave trough lifting into mid-atlantic CONUS arsenic tallness rises and unchangeable aerial support things quiescent today. This volition change, however, opening overnight contiguous successful mentation for a much prolific, heavy trough that volition excavation into the cardinal plains. A lee cyclone is processing implicit eastbound Colorado successful the exit portion of this trough and volition way eastward crossed Kansas contiguous which volition tighten the aboveground unit gradient crossed the Southern Plains and Gulf Coast starring to advection of seasonably affluent moisture from the Gulf of Mexico into the Lower MS River Valley. This volition pb to improvement of debased stratus and advection fog crossed the country Tuesday greeting arsenic this moisture streams northward starring to a dreary greeting for those commuting.

By mid-morning, the lukewarm beforehand volition person rapidly precocious northward leaving a wide unfastened lukewarm assemblage crossed overmuch of confederate Louisiana and southwest Mississippi. Thermodynamic profiles volition statesman to go favorable for much robust updrafts to make successful the lukewarm sector.

A 2nd circular of convective enactment much intimately associated with the frontal bound is expected aboriginal Tuesday nighttime into the greeting connected Wednesday which could besides inactive transportation a terrible upwind threat, though overmuch much constricted successful nature. Thermodynamic profiles look to wane arsenic diurnal forcing weakens and the trough lifts retired of the country and upwind profiles go much unidirectional starring to much linear convective modes. This volition marque this circular of storms chiefly a damaging upwind menace arsenic they determination done overnight. The caveat with this circular being the uncertainty of however the lukewarm assemblage convection earlier successful the time modifies the situation these storms volition walk through. Excessive rainfall volition besides beryllium imaginable Tuesday day done Wednesday greeting arsenic these storms way crossed the country fixed the affluent moisture and anomalously precocious PWAT values betwixt 1.8 to 2″. The menace for locally dense rainfall volition beryllium highest successful confederate MS and the Florida Parishes wherever storms producing rainfall rates of 1- 3″/hr could determination implicit the aforesaid areas, particularly fixed the imaginable for rainfall with the 2nd circular of storms overnight. The beforehand volition past determination done connected Wednesday greeting clearing retired rainfall chances with gusty winds upwards of 20-25 mph from the northbound connected the backside of the boundary.