The National Weather Service issued a Flood Watch for much of the Washington, D.C., metropolitan area, for early Wednesday morning, forecasting a day of strange, wet weather for local residents.

The county is also under a winter weather advisory after the NWS predicted yesterday afternoon that the area will see between one and three inches of snow and sleet accumulation. That advisory is in effect from 10 a.m. today to 1 a.m. on Thursday.

According to the NWS, potential flooding could take place from 4 p.m. today through Thursday morning. The agency is projecting that the D.C. area will see one to two inches of rainfall, which could lead to isolated flooding, especially when coupled with earlier precipitation.

“You should monitor later forecasts and be alert for possible flood warnings,” the NWS said. “Those living in areas prone to flooding should be prepared to take action should flooding develop.”

Photo via vantagehill/Flickr

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A Winter Storm Watch has been issued for most of the region, including Fairfax County, on Wednesday.

The National Weather Service says that more than five inches of snow are expected in the area. The watch is in effect from 7 a.m. on Wednesday to 4 a.m. on Thursday.

Here’s more from the alert:

* WHEN…From Wednesday morning through late Wednesday night. Snow will most likely overspread the area later Wednesday morning into Wednesday afternoon. Precipitation may mix with rain and sleet at times later Wednesday afternoon and Wednesday night.

* IMPACTS…Travel could be very difficult to impossible.

PRECAUTIONARY/PREPAREDNESS ACTIONS… Monitor the latest forecasts for updates on this situation.

Photo by Brianna Nelson

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Monday Morning Notes

Dense Fog Advisory In Effect — The National Weather Service has issued a dense fog advisory for the area until 10 am. today. If driving, slow down, use your headlights, and leave plenty of distance between you and other vehicles. [NWS]

Delivery Times for FCPS Meal Sites, Bus Stops Change — “Beginning Monday, 11/9, delivery times and some bus stops for grab and go meals distributed on bus routes will change. These changes are due to the need for more buses to transport students returning to school for in-person learning.” [Fairfax County Public Schools]

Update from Fairfax County Fire and Rescue Department on COVID-19 — As of this Sunday, four people in the department have tested positive. So far, 64 personnel have fully recovered.  [FCFRD]

Photo by Ray Copson

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A Wind Advisory is in effect for most of the day through 2 p.m. today (Monday).

The National Weather Service cautions that winds with gusts of up to 50 mph are expected in most of the region.

Here’s more from the alert:

* IMPACTS…Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects.

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Update at 12:30 p.m. — The National Weather Service has now upgraded central Fairfax County and the City of Fairfax from a flood watch to a flood warning, which will remain in effect until 4 p.m.

As of 12:03 p.m., between one and two inches of rain have fallen in the county, and an additional one to two inches of rain could potentially fall in the area covered by the flood warning. Reston is among the locations considered at risk of flooding.

Earlier — A Flood Watch is in effect for most of the region until 10 p.m. today, according to the National Weather Service.

Remnants of Hurricane Zeta are expected to dump two to three inches of rain on the area.

NWS warns that heavy rain could lead to flooding of small streams, creeks, and urban areas. Clogged drains due to leaf buildup might also cause flooding issues.

Here’s more from the alert:

Do not enter or cross flowing water or water of unknown depth. Stay away or be swept away. River banks and culverts can becom unstable and unsafe.

A Flood Watch means there is a potential for flooding based on current forecasts. You should monitor later forecasts and be alert for possible flood warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.

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Friday Morning Notes

Feedback Sought for Reston Association Website — As the association prepares to launch a new website in 2021, a survey aims to gauge how users interact with the current website. Possibilities for consideration also include new features like text messaging, a mobile app, and other online functions. [RA]

Dense Fog Advisory In Effect Until 10 a.m. — The National Weather Service has issued yet another advisory until 10 a.m. today. Drivers should ensure there is adequate distance between vehicles. [Fairfax County Fire and Rescue Department]

First Budget Hearing Set for November — Reston Association’s Board of Directors will hold a public hearing on the 2021 budget on November 4 at 6:30 p.m. via Zoom. [RA]

Photo via vantagehill/Flickr

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A dense fog advisory is in effect for most of the area until 11 a.m. today (Friday).

Here’s more from the National Weather Service:

* WHAT…Visibility one-quarter or less in dense fog.

* WHERE…Portions of central, northern and northeastern

Virginia.

* WHEN…Until 11 AM EDT this morning.

* IMPACTS…Hazardous driving conditions due to low visibility.

* ADDITIONAL DETAILS…Please reduce your speed and allow yourself additional distance between you and the vehicle in front of you.

NWS encourages residents to use their headlines if driving and leave plenty of distance between vehicles.

Photo via vantagehill/Flickr

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Updated 6 p.m. — A Severe Thunderstorm Warning is now in effect until 6:30 p.m.

Earlier: A Severe Thunderstorm Watch is in effect for Reston and Herndon until 8 p.m. today (Friday). The watch covers 13 counties.

A Flash Flood Watch is in effect from 5 p.m. today to 4 a.m. on Saturday.

The National Weather Service says that scattered showers and thunderstorms will hit the area this evening, potentially causing heavy rain in some areas.

Storms remain in the forecast as Tropical Storm Laura makes its way to the region. The storm is expected to affect Virginia on Saturday, according to forecasters.

Photo via vantagehill/Flickr

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Get ready for another summer thunderstorm. A Flash Flood Watch will be in effect in Fairfax County this afternoon and evening.

The National Weather Service says that thunderstorms and showers could bring 1-2 inches of rain with some areas possibly getting up to 4 inches.

“A cold front will move into the area Wednesday and then stall out,” according to NWS. “Numerous slow-moving showers and thunderstorms will pose a risk of flash flooding.”

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Prepare for more rain today (Friday).

A Flash Flood Watch is in effect from noon today through late tonight, according to the National Weather Service.

Here’s more from the alert:

PRECAUTIONARY/PREPAREDNESS ACTIONS…

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED

Photo via vantagehill/Flickr

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A Tropical Storm Warning is in effect for the area today as Tropical Storm Isaias brings rain and the possibility of flooding.

A Flash Flood Watch and coastal Flood Warnings are in effect today into tonight.

The storm is expected to move rapidly over St. Mary’s County this morning and exit the Chesapeake Bay by midday.

Forecasters say that the threat of flash flooding is likely as rainfall continues to move northward. Totals of between three to six inches are expected. The highest amounts are expected over the I-95 corridor in the early afternoon.

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Prepare for a wet beginning to the workweek.

A flood watch is in effect from this evening through Tuesday evening as Tropical Storm Isaias makes its way to the region.

A severe thunderstorm warning is also in effect until 4:30 p.m. today.

A potential for between three to six inches of rain is possible.

Here’s more from the National Weather Service:

* RAINFALL ASSOCIATED WITH TROPICAL STORM ISAIAS IS EXPECTED T START SPREADING NORTHWARD LATE MONDAY NIGHT AND CONTINUE INTO TUESDAY EVENING. WIDESPREAD RAINFALL TOTALS OF 3 TO 6 INCHES  ARE EXPECTED WITH LOCALIZED HIGHER AMOUNTS POSSIBLE. 

* THIS AMOUNT OF RAIN IS LIKELY TO RESULT IN SIGNIFICANT FLASH FLOODING OF SMALL STREAMS AND CREEKS MONDAY NIGHT INTO TUESDAY EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION. SHOULD FLASH FLOOD WARNINGS BE ISSUED

File photo

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A flash flood watch has been issued for today (Tuesday).

The watch will be in effect from 3 p.m. this afternoon into the 11 p.m., according to the National Weather Service.

Here’s more from the alert:

* A SLOW-MOVING COLD FRONT WILL INTERSECT A HOT AND HUMID AIR MASS RESULTING IN SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS LATE THIS AFTERNOON AND EVENING. MULTIPLE ROUNDS OF THUNDERSTORMS ARE POSSIBLE, WHICH COULD RESULT IN ISOLATED  RAINFALL AMOUNTS OF 2 TO 3 INCHES IN A SHORT AMOUNT OF TIME. THESE RAINFALL AMOUNTS MAY RESULT IN RAPID RISES OF WATER ON  SMALL STREAMS AND CREEKS, AS WELL AS IN URBAN AND POOR DRAINAGE AREAS.

PRECAUTIONARY/PREPAREDNESS ACTIONS… A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED

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A severe thunderstorm warning is in effect for Fairfax County. The National Weather Service issued the alert until 4 p.m. today.

A flash flood warning is also in effect until 6:30 p.m. today.

Here’s more from the alert:

HAZARD…Scattered damaging wind gusts up to 60 mph and isolated
hail up to quarter size.

SOURCE…Radar indicated.

IMPACT…Damaging winds will cause some trees and large branches to fall. This could injure those outdoors, as well as damage homes and vehicles. Roadways may become blocked by downed trees. Localized power outages are possible. Unsecured light objects may become projectiles.

Residents are encouraged to stay indoors and seek shelter.

https://twitter.com/fairfaxcounty/status/1286012617404882944?s=21

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A heatwave continues throughout the region today (Wednesday). A flash flood watch is also in effect until 11 p.m.

The National Weather Service has issued a heat advisory from 11 a.m. to 8 p.m. today.

Here’s more from the advisory:

* WHAT…Heat index values up to 109 expected.

* WHERE…The District of Columbia, central, northern and southern Maryland and central and northern Virginia.

* WHEN…From 11 AM this morning to 8 PM EDT this evening. 

* IMPACTS…Hot temperatures and high humidity may cause heat illnesses to occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational

Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location.

Heat stroke is an emergency! Call 9 1 1. CDC recommends that if you need to go to a cooling center, wear a cloth face covering. While you are there, wash your hands with soap, or use hand sanitizer, often. Face covers should not be used by children under the age of 2. They also should not be used by people having trouble breathing, or who are unconscious, injured, or can’t remove the mask themselves.

Photo by Marjorie Copson

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