Tysons, VA

Get ready for a chilly Saturday — a Freeze Warning has been issued for Fairfax County for tomorrow (Nov. 2).

Temperatures as low as 30 degrees are expected from 2-9 a.m. with frost and freeze conditions.

More from the National Weather Service:

…FREEZE WARNING IN EFFECT FROM 2 AM TO 9 AM EDT SATURDAY…

* WHAT…Sub-freezing temperatures as low as 30 expected.

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

* WHEN…From 2 AM to 9 AM EDT Saturday.

* IMPACTS…Frost and freeze conditions will kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

NWS recommends that people prevent possible bursting of pipes by wrapping, draining or slowly let dripping from them. People are also encouraged to cover above-ground pipes.

Photo by Paddy O Sullivan/Unsplash

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The National Weather Service has issued a Tornado Watch for Fairfax County and the D.C. region.

The Tornado Watch is in effect until midnight.

Storms with heavy rain and strong winds are expected to reach Fairfax County between 7-9 p.m., forecasters warn. Trick-or-treaters and Halloween party-goers should seek shelter.

The National Weather Service issued this statement:

…DAMAGING LINE OF THUNDERSTORMS LIKELY TO MOVE EAST ACROSS THE AREA BETWEEN MID AFTERNOON AND MIDNIGHT…

A line of thunderstorms is expected to move east across the region. These storms will bring the possibility of damaging wind gusts and isolated tornadoes. Please be sheltered when these thunderstorms pass through your area.

The most likely timing of the line ranges from mid to late afternoon for the Potomac Highlands, to the evening for the Baltimore/Washington metros, to between 9pm and midnight for areas east of I-95 to the Chesapeake Bay. The storms will likely last an hour or less in most areas.

Stay informed. For more exact timing for your location, consult the forecast for your community at our website weather.gov or our Facebook or Twitter feeds for National Weather Service Baltimore/Washington.

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The National Weather Service issued a Wind Advisory for Fairfax County and surrounding areas.

The advisory says that gusts could reach up to 50 miles per hour. The advisory is in effect until 6 p.m.

More from the National Weather Service:

…WIND ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING… * WHAT…WEST WINDS 15 TO 20 MPH WITH GUSTS UP TO 45 MPH. * WHERE…THE DISTRICT OF COLUMBIA, CENTRAL AND SOUTHERN MARYLAND AND NORTHERN VIRGINIA. * WHEN…UNTIL 6 PM EDT THIS EVENING. * 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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The Tysons area is under a Severe Thunderstorm Warning, which includes the D.C. area.

The warning will last until 5:45 p.m. People can expect winds up to 60 miles per hour with “quarter size hail.”

More from the National Weather Service:

At 4:57 PM EDT, severe thunderstorms were located along a line extending from near Great Falls to Fairfax to near Bull Run, moving east at 25 mph…

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.

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A Severe Thunderstorm Watch is now in effect for Fairfax County.

The National Weather Service issued the watch at 3:25 p.m. today (Wednesday). It will last until 10 p.m.

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A Severe Thunderstorm Watch is now in effect for Fairfax County.

The National Weather Service issued the watch at 3 p.m. today (Tuesday). It will last until 9 p.m.

Forecasters say stray thunderstorms and showers are possible for the Tysons area.

File photo

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Updated at 4:25 p.m. — Fairfax County is now under a Flood Warning. 

Earlier: Fairfax County and surrounding areas could see some major thunderstorms and damaging winds this afternoon (Thursday).

The National Weather Service recently issued a Severe Thunderstorm Warning that will last until 4 p.m.

More from the National Weather Service:

Until 400 PM EDT.

* At 316 PM EDT, a severe thunderstorm was located over Chantilly, or near Centreville, moving southeast at 15 mph.

HAZARD…60 mph wind gusts.

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.

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The National Weather Service issued Flash Flood Watch for Fairfax County and surrounding areas.

The watch was issued around noon and is in effect until 8 p.m. tonight (July 31).

More from NWS:

* Until 8 PM EDT this evening

* Showers and thunderstorms capable of producing very heavy
rainfall are expected across the area this afternoon and into
the evening. This heavy rain may lead to localized total
rainfall amounts of up to 3 inches. Much of this rain may fall
in short periods of time in any given location, resulting in the
risk for flash flooding.

Heavy rain up to 3 inches could pose a risk for flash flooding, according to NWS.

File photo

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Update at 2:50 p.m. — The National Weather Service has issued a Severe Thunderstorm Warning for portions of McLean, Vienna and Tysons.

More from NWS:

THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR… THE NORTHWESTERN DISTRICT OF COLUMBIA… SOUTHEASTERN MONTGOMERY COUNTY IN CENTRAL MARYLAND… NORTHWESTERN PRINCE GEORGES COUNTY IN CENTRAL MARYLAND… EAST CENTRAL LOUDOUN COUNTY IN NORTHERN VIRGINIA… NORTHEASTERN FAIRFAX COUNTY IN NORTHERN VIRGINIA…

* UNTIL 330 PM EDT.

* AT 244 PM EDT, A SEVERE THUNDERSTORM WAS LOCATED OVER RESTON, MOVING EAST AT 25 MPH.

HAZARD…60 MPH WIND GUSTS.

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.

* LOCATIONS IMPACTED INCLUDE… ROCKVILLE, BETHESDA, GAITHERSBURG, RESTON, OLNEY, HERNDON, LANGLEY PARK, VIENNA, LOWES ISLAND, MCLEAN, AMERICAN LEGION BRIDGE, ASPEN HILL, POTOMAC, NORTH BETHESDA, OAKTON, STERLING, NORTH POTOMAC, TYSONS CORNER, HYATTSVILLE AND WHITE OAK.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A BUILDING.

Earlier: Fairfax County and surrounding areas could see some thunderstorms, flash flooding, rain and strong wind today (Monday).

The National Weather Service recently issued a Severe Thunderstorm Watch that will go into effect at 10 p.m. — possibly overlapping with the Flash Flood Watch, which begins at 3 p.m. and lasts until “late tonight.”

The county can expect heavy rain around 1-2 inches that could cause flash flooding later this afternoon and tonight. Strong thunderstorms may hit northwestern Fairfax County, with gusts up to 50 miles per hour.

The National Weather Service also issued a Special Weather Statement:

…SEVERE THUNDERSTORMS POSSIBLE THIS AFTERNOON AND EVENING…

A cold front approaching the region will interact with an unstable airmass to result in showers and thunderstorms. Some of these thunderstorms may become severe, especially between 2 PM this afternoon and 9 PM this evening.

The main threats with these storms will be:
* Damaging wind gusts
* Heavy rainfall and flash flooding
* Frequent lightning

Take time today to review your severe weather action plan. Have a way to receive alerts from the National Weather Service, and be ready to seek safe shelter should storms approach your neighborhood or a warning is issued.

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An Excessive Heat Warning will be in effect for Fairfax County and surrounding areas for much of today (Friday).

The National Weather Service said the warning will last from 11 a.m. to 9 p.m. Heat index values could reach 110 degrees today.

Currently, Saturday and Sunday are under an Excessive Heat Watch.

More from NWS:

…EXCESSIVE HEAT WARNING IN EFFECT FROM 11 AM THIS MORNING TO 9 PM EDT THIS EVENING…
…EXCESSIVE HEAT WATCH REMAINS IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY EVENING…
…EXCESSIVE HEAT WATCH REMAINS IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY EVENING…

* HEAT INDEX VALUES…Near 110 degrees today, then potentially 110 to 115 degrees Saturday and Sunday due to temperatures in the upper 90s to around 100 degrees and dewpoints in the lower to middle 70s.

* Impacts…Dangerously high temperatures and humidity could quickly cause heat stress or heat stroke if precautions are not taken.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

An Excessive Heat Warning means that a prolonged period of dangerously high temperatures will occur. The combination of extreme temperatures and high humidity will create a dangerous situation in which heat illnesses are expected. Check in on relatives and neighbors.

Fairfax County Fire and Rescue wants people to keep cool and practice heat safety whether inside or outside. The fie department also has a guide for how to identify the symptoms of heat exhaustion and heat stroke — and what to do.

In addition to the heat, an Air Quality Alert has been issued for today.

More from NWS:

A Code Orange Air Quality Alert means that air pollution concentrations within the region may become unhealthy for sensitive groups. Sensitive groups include children, people suffering from asthma, heart disease or other lung diseases and the elderly. The effects of air pollution can be minimized by avoiding strenuous activity or exercise outdoors.

https://twitter.com/fairfaxcounty/status/1151893172836065280

Photo by Kent Pilcher on Unsplash

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