Area Forecast Discussion
Issued by NWS Wilmington, NC

Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
-- Highlight Changed Discussion --
-- Discussion containing changed information from previous version are highlighted. --
878 FXUS62 KILM 311013 AFDILM Area Forecast Discussion National Weather Service Wilmington NC 613 AM EDT Fri May 31 2024 .SYNOPSIS... Unseasonably mild temperatures are expected through Saturday as dry high pressure moves from the Great Lakes to the eastern Carolinas. The high will push offshore Sunday, bringing warmer and more humid air across the area with isolated showers and thunderstorms possible most of next week. && .NEAR TERM /THROUGH TONIGHT/... Mid-level trof to swing off the E coast this morning. At the sfc, center of high pressure over the Great lakes, will re- assert itself across the area with a mini NNW-NNE surge of even cooler and drier air. Could even observe 40s dewpoints reaching the outskirts of the FA with some mixing from aloft possibly aiding. Upper 70s to lower 80s for todays maxes will be in the offering. The center of the Great Lakes high will begin its drop towards the Mid-Atlantic States and the Carolinas tonight. This will relax the sfc pg enough to the point of some locales dropping to calm for a good portion of the night. 50 to 55 degree lows will be common in the fcst tonight, except near 60 at the immediate coast where winds will have more of an easterly direction, crossing adjacent SSTs in the 70s. Scattered high cu or altocu will dominate today followed by thin cirrus tonight. && .SHORT TERM /SATURDAY THROUGH SUNDAY NIGHT/... Quiet forecast continues this period. High pressure just to the north of the area starts to push offshore by Saturday evening. Plenty of sunshine expected Saturday, with highs in the low-to- mid 80s. Seabreeze may actually limit the beaches to the upper 70s. As the high pressure moves offshore, return flow gets going, allowing for a warming and moistening trend. A weak shortwave moves through the area, with most of the forcing to the north. Cloud cover increases Saturday night and Sunday, and the atmosphere will try to squeeze out a light shower or two. However, most will stay dry. Despite the cloud cover, highs Sunday start to rebound, generally in the mid 80s. Lows Saturday night in the lower 60s, becoming the mid- to-upper 60s by Sunday night. && .LONG TERM /MONDAY THROUGH THURSDAY/... Offshore high pressure slowly drifts off further east, as the return flow continues. Temperatures continue to warm, with 90 degree readings likely by Tuesday. With more moisture coming into the fold, this brings back slight chances of showers and storms in the afternoon. Rain chances might get more robust by midweek, with a better looking Piedmont trough and possibly some shortwave forcing aloft. Forecast guidance is shaky on this idea though. Will need to see how this changes over time. && .AVIATION /12Z FRIDAY THROUGH TUESDAY/...
-- Changed Discussion --
VFR thru the 24 hr TAF Issuance period. Looking at a FEW/SCT 7k ft cloud deck thru this aftn. Thin cirrus will follow later this aftn thru tonight. Looking at NNW-NNE around 10 kt with few g15kt thru mid-afternoon. Winds will veer to the NE-E later this aftn/night as the sfc high drops toward the Carolinas from the Great Lakes. No pcpn for the foreseeable future. Extended Outlook...VFR dominates into Mon followed by isolated afternoon and evening TS beginning late Mon thru Tue.
-- End Changed Discussion --
&& .MARINE... Through Tonight...A secondary surge of even cooler and drier air will push across the waters this morning into tonight under NNW-NNE winds initially. The surge a result of the high over the Great Lakes reinforcing itself across the region as a mid- level trof swings off the Carolina Coasts and offshore this morning. The tightened sfc pg thru midday will relax some later this aftn thru tonight as the center of the high drops toward the Carolinas, with winds becoming NE-ENE direction. Seas will be governed by the short period wind driven waves at 3 to 5 second periods with an underlying ESE-SE small swell at 7+ second periods. Saturday through Tuesday...Benign marine conditions expected in the extended period. Easterly winds at 5-10kts become southeasterly by Saturday night, and then SSW by Sunday. Winds increase to 10-15kts briefly Sunday night through Monday morning. Seas mostly 1-2ft, with a few 3ft waves possible. && .ILM WATCHES/WARNINGS/ADVISORIES... NC...None. SC...None. MARINE...None. && $$ SYNOPSIS...IGB NEAR TERM...DCH SHORT TERM...IGB LONG TERM...IGB AVIATION...DCH MARINE...DCH/IGB