Spot Forecast
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
822 FNUS71 KLWX 270827 FWSLWX Spot Forecast for Key Bridge Response...USCG National Weather Service Baltimore MD/Washington DC 427 AM EDT Mon May 27 2024 Forecast is based on forecast start time of 0600 EDT on May 27. If conditions become unrepresentative...contact the National Weather Service. Please contact our office if you have questions or concerns with this forecast. .DISCUSSION... A strong cold front will push through the region tonight, triggering numerous showers and thunderstorms, some of which are likely to become severe. A secondary cold front will cross the area by mid- week before high pressure gradually builds in from the northwest by Friday. This leads to a period of below normal temperatures and low humidity. NW Branch Patapsco River at Baltimore MD MLLW Categories - Minor 3.4 ft, Moderate 4.6 ft, Major 6.0 ft MHHW Categories - Minor 1.7 ft, Moderate 2.9 ft, Major 4.3 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 27/09 AM 3.0 1.3 1.2 0.5 None 27/10 PM 2.2 0.5 1.1 0.5 None 28/10 AM 2.5 0.8 0.7 0.5 None 29/12 AM 1.9 0.2 0.6 0.5 None 29/12 PM 2.2 0.5 0.4 0.5 None .TODAY... Sky/weather.........Mostly cloudy (80-90 percent). Isolated showers early in the morning. Scattered showers and isolated thunderstorms late in the morning, then widespread showers and scattered thunderstorms late in the afternoon. Chance of pcpn......80 percent. Max temperature.....Around 81. Min humidity........79 percent. Surface winds (kts).South winds 9 to 14 knots. Wave height.........1 foot. CEILING (KFT).......8.3 increasing to 9.5 early in the morning, then decreasing to 2.2 late in the morning decreasing to 1.5 late in the morning increasing to 1.8 increasing to 2.7 early in the afternoon increasing to 3.5 increasing to 8.2 late in the afternoon decreasing to 6.4. Visibility..........8. TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........87 88 88 87 86 85 86 86 87 86 86 85 Weather cov..... ISO ISO ISO SCT SCT SCT WID WID WID WID Weather type.... RW RW RW RW RW RW RW RW RW RW Tstm cov........ ISO ISO ISO SCT SCT SCT SCT Chc of pcpn (%).10 10 20 20 20 50 50 50 80 80 80 80 Temp............69 70 72 72 73 74 75 75 76 77 78 77 RH..............93 93 90 90 90 90 87 87 85 82 82 82 SFC wnd dir.....SE SE S S S SE S S S S S S SFC wnd spd kts.9 9 10 10 11 12 13 14 14 14 13 13 SFC wnd gst.....15 14 15 15 16 19 18 19 20 19 19 18 Wave height (ft)1 1 1 1 1 1 1 1 1 1 1 1 Ceiling (kft)...8.3 9.5 9.5 2.2 1.5 2.2 1.8 2.2 2.7 3.5 8.2 6.4 Visibility (sm).9 10 10 10 9 9 10 10 10 10 9 8 .TONIGHT... Sky/weather.........Mostly cloudy (60-70 percent) then becoming mostly clear (20-30 percent). Widespread showers and scattered thunderstorms early in the evening, then chance of showers and isolated thunderstorms early in the evening. Chance of pcpn......80 percent. Min temperature.....Around 67. Max humidity........90 percent. Surface winds (kts).South winds 9 to 12 knots shifting to the southwest 6 to 9 knots early in the evening. Wave height.........1 foot. CEILING (KFT).......6.5 increasing to 25. Visibility..........8 increasing to 10 overnight. TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........81 76 72 65 59 52 40 28 16 14 12 10 Weather cov.....WID WID CHC CHC CHC Weather type....RW RW RW RW RW Tstm cov........SCT SCT ISO ISO ISO Chc of pcpn (%).80 80 40 40 40 10 10 10 0 0 0 0 Temp............77 77 76 75 75 74 73 73 72 71 70 70 RH..............82 82 82 84 84 87 87 84 81 84 84 81 SFC wnd dir.....S S SW SW SW SW SW W W W W W SFC wnd spd kts.12 9 9 8 7 6 6 6 7 7 7 7 SFC wnd gst.....16 14 13 12 11 10 10 10 11 11 10 10 Wave height (ft)1 1 1 1 0 0 0 0 0 0 0 0 Ceiling (kft)...6.5 6.5 7.3 9.1 25 25 25 25 25 25 25 25 Visibility (sm).8 8 8 8 9 9 10 10 10 10 10 10 .TUESDAY... Sky/weather.........Sunny (15-25 percent). Slight chance of showers late in the afternoon. Slight chance of thunderstorms late in the afternoon. Chance of pcpn......20 percent. Max temperature.....Around 80. Min humidity........50 percent. Surface winds (kts).West winds 7 to 9 knots. Wave height.........1 foot. CEILING (KFT).......25 early in the morning. Visibility..........10 early in the morning. TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM Sky (%).........7 1 4 14 31 35 Weather cov..... S CHC S CHC Weather type....NONE NONE NONE NONE RNSHWR RNSHWR Tstm cov........ Chc of pcpn (%).0 10 10 10 20 20 Temp............69 70 72 75 77 78 RH..............81 76 71 60 54 54 SFC wind (kts)..W 7 W 8 W 8 W 9 W 9 W 9 SFC wnd gst ....10 10 12 13 14 13 Wave height (ft)0 0 1 1 1 1 Ceiling (kft)...25 25 Visibility (sm).10 10 $$ Forecaster...Rosa Requested by...Jackie Gonzalez Type of request...MARINE .TAG 2413381.0/LWX .DELDT 05/27/24 .FormatterVersion 2.0.0 .EMAIL Sitlkeybridgeresponse2024@gmail.com,jpg112122@gmail.com,AF.A3.RSS.Weather@us.af.mil,nws-sterling-wxsupport@noaa.gov