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Updated forecast: Plummeting temperatures and high winds Friday in D.C. area
2022-02-21 00:00:00.0     华盛顿邮报-华盛顿特区     原网页

       

       Radar courtesy MyRadar | ? OpenStreetMap contributors

       * Wind advisory until 10 a.m. today | High wind warning in northern Maryland *

       9:10 a.m. — BWI Airport gusts to 64 mph; Nearly 30,000 without power in Maryland

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       Just after 9 a.m., BWI Marshall Airport clocked a wind gust of 64 mph. Winds have tended to be most intense in our northern areas. The high winds have led to over 28,000 power outages in Maryland, according to PowerOutage.US. The outages are scattered throughout the northern part of the state, with the greatest number in Baltimore County.

       Here are some select peak gusts logged by the National Weather Service Friday morning:

       Shade Side: 65 mph Martinsburg: 60 mph Ballenger Creek: 58 mph Leesburg: 53 mph Hagerstown: 52 mph Reagan National Airport: 49 mph Annapolis: 49 mph Centreville: 47 mph Frederick: 46 mph

       8:50 a.m. — Temperatures plummet amid howling winds

       Since between around 5 and 6 a.m., when the cold front blasted through the Washington region, winds have gusted to 40 to 50 mph and temperatures have crashed. At 6 a.m. it was 66 degrees at Reagan National Airport. By 8 a.m., it was just 51 as winds gusted to 46 mph.

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       At Dulles, the temperature tumbled from 65 at 5 a.m. to 46 at 8 a.m.

       At The Washington Post weather station downtown, the temperature dropped from 67.5 degrees at 5:34 a.m. to 47 at 8:45 a.m.

       Temperatures aren’t done falling. They should settle around 40 by midday but it will feel closer to 30 factoring in the wind through the afternoon. Winds will ease some, but gusts to at least 25 to 30 mph are probable all day.

       Today’s daily digit

       A somewhat subjective rating of the day’s weather, on a scale of 0 to 10.

       5/10: Quickly diminishing cloud cover and a very early rain exit are niceties. But a damaging wind gust is possible in the morning, plus daytime wind chills are in the 30s.

       Express forecast

       Today: Skies clear. Gusty winds. Highs: Daytime 40s. Tonight: Mostly clear, dying wind. Lows: 20s. Tomorrow: Fairly sunny. Gusty late. Highs: Mid-40s to 50. Sunday: Clear. Breezy late. Highs: Low to mid-40s.

       Forecast in detail

       Wind gusts near 50 mph are possible this morning as rain exits, and again tomorrow afternoon. Hit-or-miss wind damage is possible. Temperatures are fairly cool until Presidents’ Day on Monday, which promises to be warm, but at least we’re mostly sunny through the holiday weekend as well.

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       Today (Friday): Morning northwesterly winds may near 50 mph. Rain tries to end by sunrise (if not earlier) and clouds quickly diminish after that. Early warm temperatures fall until midday, where they should halt for a few hours in the mid-40s to perhaps a few upper 40s, especially south of town. Daytime wind chills likely stay in the 30s. Confidence: Medium-High

       Tonight: Evening northwest winds calm heading into the night. Skies are mostly to fully clear. As is often the case, a calm and clear night can more easily get chilly. Low temperatures may be in the 20s regionwide, with temperatures nearer 30 perhaps downtown and along the Bay. Confidence: High

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       Follow us on YouTube, Facebook, Twitter and Instagram for the latest updates. Keep reading for the forecast into next week …

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       Tomorrow (Saturday): It’s a fairly bright day but midday clouds mark the passage of another cold front. High temperatures head toward the mid-40s to around 50. Southwesterly breezes in the morning turn into northwesterly winds in the afternoon. They crank much higher, with gusts perhaps again near 40 or 50 mph, especially north of Interstate 66. Confidence: Medium-High

       Tomorrow night: Evening northwesterly winds could still gust near 40 mph but they’ll calm almost fully by dawn. Skies should stay mostly clear. Low temperatures bottom out in the upper teens to mid-20s. Confidence: Medium-High

       Sunday: Behind the cold front, our high temperatures only get into the low to mid-40s. Skies are very sunny, and winds are under control in the morning, but a few afternoon southerly gusts near 20 mph are possible. Confidence: Medium-High

       A look ahead

       Sunday night: Clear skies are likely and breezes, if any, should be moderate. Low temperatures drop into the upper 20s to mid-30s. Confidence: Medium

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       Sunny and warm on Presidents’ Day (Monday) with high temperatures near 60 degrees to mid-60s. Southerly breezes help bring in some warmth. A few clouds are possible nearer sunset as the next storm system slowly marches toward our region. Forecast changes are not very likely since the atmosphere wants to behave in a predictable way. We don’t usually have such forecast confidence this far out. Confidence: Medium-High

       Mild conditions continue through Tuesday, but clouds and increasing odds of rain are likely. Daytime temperatures may stay mainly in the 50s, especially if we see some rain, as it appears now. However, southerly breezes might continue to push temperatures above 60 degrees during the evening hours. Confidence: Medium

       Read more about Capital Weather Gang’s confidence rating.

       


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关键词: High wind warning     breezes     Airport gusts     temperatures     winds     Confidence     Advertisement     forecast    
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