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Area Forecast Discussion
Issued by NWS Wakefield, VA
Issued by NWS Wakefield, VA
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356 FXUS61 KAKQ 092028 AFDAKQ AREA FORECAST DISCUSSION National Weather Service Wakefield VA 428 PM EDT Tue Jul 9 2024 .SYNOPSIS... Hot and humid conditions are expected through Wednesday, with just isolated to widely scattered showers and storms possible, mainly in the afternoon and evening. A slow moving cold front moves into the region with ample moisture Thursday through Friday, bringing widespread showers and storms both days, and cooler daytime temperatures by Friday. Heat returns later in the weekend into early next week. && .NEAR TERM /UNTIL 6 AM WEDNESDAY MORNING/... As of 400 PM EDT Tuesday... Hot and humid conditions were prevailing across the region late this aftn, with temps in the lower to mid 90s with heat indices ranging from 102 to 108 across most of the area. Latest radar showed just isolated showers or tstms over wrn and srn portions of the region. Isolated showers/tstms will diminish by sunset. Otherwise, mostly clear to partly cloudy, warm and humid tonigth with lows in the mid to upper 70s. && .SHORT TERM /6 AM WEDNESDAY MORNING THROUGH FRIDAY/... As of 400 PM EDT Tuesday... Key Messages: - Another hot and humid day on Wednesday with widespread heat indices of 105-109 expected. - Isolated to scattered showers and storms are expected mainly Wednesday afternoon into early Thursday morning. - More widespread showers and storms are expected Thursday afternoon through Friday, as a frontal boundary will be stalled over the local area. The remnants of TC Beryl will track into the eastern Great Lakes on Wed. While the remnants of Beryl remain NW of the local area, the trailing cold front from the system weakens as it moves towards and into the local area Wed into Wed night. Another hot and humid day is expected Wed, with high temps again in the mid 90s for much of the area, esply inland/Piedmont locations. Dewpoints remaining at least in the mid 70s combined with the heat will bring another day of heat indices around or in excess of 105F. As a result, A Heat Advisory has been issued again for all areas, except the Lower MD/VA ern shore and Eastern Currituck county. Also, there is once again the potential for isolated to sctd aftn/evening showers and tstms (highest PoPs west of I-95). Isolated showers or storms may linger through Wed night into early Thu morning, although coverage and intensity will decrease after midnight. Lows Wed night will range from the lower 70s in the Piedmont, to the mid to upper 70s ewrd to the coast. Some "drier" air (dewpoints in the 60s) begins to work into the western half of the forecast area by Thu morning, as the weakening front pushes into ern portions of the region before stalling. This stalled front will be the focus for showers and tstms Thu through Fri. Sctd to numerous shower/storms are expected to develop Thu aftn/evening, with the highest coverage likely across ESE portions of the area. Locally heavy rainfall will be possible, with PWATs maximized (potentially ~2.00-2.50") east of Interstate 95. WPC currently has all of the area in a Marginal ERO for 12Z Thu into 12Z Fri. Severe weather is not anticipated, due to the very moist airmass and a lack of appreciable shear (less than 10 kt). It will not be as hot on Thu, due to more widespread clouds/pcpn, with highs generally in the upper 80s to lower 90s. The unsettled weather conditions continue into Thu night through Fri, as the front gradually pushes back WNW. Likely PoPs for showers/tstms with locally heavy rainfall possible. WPC has a Slight Risk of excessive rainfall on Fri. Remaining warm/humid Thu night with lows in the lower to mid 70s. Highs on Fri in the lower to mid 80s. && .LONG TERM /FRIDAY NIGHT THROUGH TUESDAY/... As of 420 PM EDT Tuesday... Sctd showers/tstms will gradually push to the ESE and off the coast Fri night through Sat evening. A more typical summertime pattern returns for Sat night through Tue, with isolated to sctd diurnally driven convection possible each day. Highs will be in the upper 80s to lower 90s Sat, and in the lower to mid 90s Sun through Tue. && .AVIATION /20Z TUESDAY THROUGH SUNDAY/... As of 215 PM EDT Tuesday... Mainly VFR conditions will prevail at the TAF sites this aftn into Wed aftn. Although, isolated MVFR conditions will be possible in any heavier shower or tstm that may develop. Mainly southerly winds 10 kt or less are expected through the period, but stronger S winds will occur Wed aftn. Outlook: Similar conditions Wed aftn/evening with isolated to sctd showers or tstms possible. A more unsettled weather pattern will prevail Thu into Sat, with chance to likely showers/storms along with reduced VSBYs/CIGs. && .MARINE... As of 345 PM EDT Tuesday... Key messages: - Potential for SCAs Late Wednesday afternoon into Thurs morning due to increasing southerly winds ahead of a cold front - Moderate Rip current Risk for Maryland and Northern VA Beaches on Wednesday. After a rather benign morning on the area waters, the winds have picked up this afternoon on the Chesapeake Bay with winds 10 - 15 kt with an occasional gust to 20 kt as the Bermuda noses closer to the coast. Winds on the coastal waters have picked up on the southern waters but are lagging some across the northern waters. Expect this increase in winds to continue through about midnight before relaxing a bit toward Wednesday morning. The approach of the remnants of Beryl tomorrow afternoon and into Wednesday evening will again kick the winds up toward SCA levels with 15 - 20 kt on the bay and 20 - 25 kt on the coastal waters as the southerly flow increases and the gradient tightens between the Bermuda High and remnants of Beryl. This should continue into early Thursday morning. Expect seas to kick up to 4 - 6 FT in the coastal waters and 2 - 3 ft on the Bay. For now will hold on on headlines as the event is mainly third period and the winds are just near the SCA criteria. The front associated with Beryl stalls along the coast on Thursday before getting pushed back westward later Thursday into Friday as a wave of low pressure develops across SC and pulls northwestward. Winds will weaken on Thursday afternoon and evening as the gradient relaxes along the stalled front with winds 10 - 15 kt. As the low develops to the south on Friday, could see and increase in winds, especially in the southern coastal waters, which could lead to more SCA conditions Friday into Saturday, but will see how this area of low pressure develops later in the week. && .AKQ WATCHES/WARNINGS/ADVISORIES... MD...Heat Advisory until 8 PM EDT this evening for MDZ021>024. NC...Heat Advisory until 8 PM EDT this evening for NCZ012>017- 030>032-102. Heat Advisory from 11 AM to 8 PM EDT Wednesday for NCZ012>017- 030>032. VA...Heat Advisory until 8 PM EDT this evening for VAZ048-060>062- 064>069-075>090-092-093-095>100-509>525. Heat Advisory from 11 AM to 8 PM EDT Wednesday for VAZ048- 060>062-064>069-075>090-092-093-095>098-509>525. MARINE...None. && $$ SYNOPSIS...TMG NEAR TERM...TMG SHORT TERM...AJB/TMG LONG TERM...AJB/TMG AVIATION...TMG MARINE...AM/ESS