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* Flood clock Friday afternoon to Friday late evening *
This article, published for the first time on Thursday afternoon, was updated on Friday morning.
The rainiest time of the year so far is moving to the Washington area. A clumsy storm that entered the area on Friday morning will take at least three days to pass. Until Sunday, computer models typically predict 1 to 3 inches of rain, with larger amounts possible at the local level – perhaps up to 4 inches.
The outlook for outdoor plans over the weekend is poor.
May, usually one of the best months in the area, had an unfavorable start this year. Forecasts of sunshine and warm temperatures have been thwarted by clouds over the past three days. In general, the maximum values do not reach the forecasts by about 5 degrees. Now comes the flood.
When is the “nice day” season of DC?
The rain, which begins on Friday morning, will continue periodically until Sunday. Although the rain may stop for a while on Friday afternoon, heavy rainfall and built-in thunderstorms are possible from evening to night, when the National Weather Service issued a flood alert.
“Excessive runoff can lead to flooding of rivers, streams, streams and other low-lying and flood-prone areas,” the meteorological service said.
The risk of flooding came into effect after Wednesday’s straits helped dampen the ground; some spots west of the ring road got up by 2 inches.
There is even an external chance that several thunderstorms late Friday will be severe with devastating gusts of wind, but more intense storms are likely to occur in southern and central Virginia, where several tornadoes cannot be ruled out.
The intensity of the rain should decrease a little on Saturday, but it will probably still fall moderately at times at low temperatures – only in the 50s. Light to moderate rain may persist until Saturday night, although calm areas are possible.
It will probably be harsh and humid on Sunday with rain and light rain – less than ideal for Mother’s Day – but most of the rain will have fallen. The maximum may not even reach 55.
When will we see the sun next time? This may take until Monday afternoon.
The responsible storm system is the same that sparked a tornado in Texas and Oklahoma on Wednesday, along with floods in eastern Oklahoma in the Ozarks.
Tornado, floods hit southern plains as storm threat shifts east
As it passes through our region, it will be cut off by the jet flow that usually helps such systems to move. Although it may often carry long periods of warm, sunny weather, these limits are particularly common at this time of year.
The lack of guiding currents over the weekend means that the storm will move at a snail’s pace, with the accumulation of precipitation.
Here’s how much rain is forecast on Sunday from different models for the area:
- American (GFS): 1.5 inches
- Canadian high resolution: 1.8 inches
- Canadian: 1.8 inches
- European: 1.8 inches
- NAM: 2.2 inches
- UKMet: 2.5 inches
If you look forward to sunshine and sustained heat, the long-term forecast is promising. Next week should offer a significant warming trend, with peaks rising in the 60s and 70s and reaching the 80s at the end of the week.
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