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2020 Mid-Atlantic Severe Weather - General Thread

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5 minutes ago, Mrs.J said:

Sun back out over here. 78/76 it really did not cool off at all after all the rain. Currently sitting at .46".

Definitely still soupy airmass . Could be another round . ...or a round in my case:lol:.

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Severe Weather Statement
National Weather Service Baltimore MD/Washington DC
500 PM EDT Thu Sep 3 2020

DCC001-MDC027-031-033-VAC059-032130-
/O.CON.KLWX.SV.W.0438.000000T0000Z-200903T2130Z/
District of Columbia DC-Howard MD-Montgomery MD-Prince Georges MD-
Fairfax VA-
500 PM EDT Thu Sep 3 2020

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR THE NORTHERN DISTRICT OF COLUMBIA...SOUTH CENTRAL HOWARD...
SOUTHEASTERN MONTGOMERY...NORTHWESTERN PRINCE GEORGES AND
NORTHEASTERN FAIRFAX COUNTIES...

At 459 PM EDT, a severe thunderstorm with a history of producing
measured wind gusts to near 60 mph was located over Aspen Hill, or
near Rockville, moving east at 30 mph.

HAZARD...70 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...
Columbia, Rockville, Bethesda, Gaithersburg, Reston, Olney, College
Park, Greenbelt, Langley Park, Beltsville, Bladensburg, American
Legion Bridge, Fort Totten, University of Maryland, Howard
University, Aspen Hill, Potomac, North Bethesda, Montgomery Village
and North Potomac.

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BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Baltimore MD/Washington DC
510 PM EDT Thu Sep 3 2020

The National Weather Service in Sterling Virginia has issued a

* Tornado Warning for...
  Southeastern Montgomery County in central Maryland...
  Northeastern Prince Georges County in central Maryland...

* Until 545 PM EDT.

* At 510 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Kemp Mill, or near Langley Park, moving east at 30
  mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...For those in the direct path of a tornado touchdown,
           flying debris will be dangerous to those caught without
           shelter. Damage to roofs, siding, and windows may occur.
           Mobile homes may be damaged or destroyed. Tree damage is
           likely.

* This dangerous storm will be near...
  Adelphi around 515 PM EDT.
  College Park and Greenbelt around 520 PM EDT.
  Beltsville and New Carrollton around 525 PM EDT.
  Lanham-Seabrook and Goddard around 530 PM EDT.
  Mitchellville and Woodmore around 535 PM EDT.
  Bowie around 540 PM EDT.

Other locations impacted by this tornadic thunderstorm include Berwyn
Heights, Four Corners, Glenn Dale, Calverton, Wheaton and Silver
Spring.

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BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Baltimore MD/Washington DC
505 PM EDT Thu Sep 3 2020

The National Weather Service in Sterling Virginia has issued a

* Tornado Warning for...
  Baltimore City in northern Maryland...
  Southern Harford County in northern Maryland...
  Southeastern Baltimore County in northern Maryland...

* Until 545 PM EDT.

* At 505 PM EDT, a severe thunderstorm capable of producing a tornado
  was located near Baltimore, moving east at 25 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...For those in the direct path of a tornado touchdown,
           flying debris will be dangerous to those caught without
           shelter. Damage to roofs, siding, and windows may occur.
           Mobile homes may be damaged or destroyed. Tree damage is
           likely.

* This dangerous storm will be near...
  Hampton around 515 PM EDT.
  Baltimore and Parkville around 520 PM EDT.
  Carney around 525 PM EDT.
  Perry Hall, Rosedale and Rossville around 530 PM EDT.
  Middle River, Back River, Dundalk, Essex and White Marsh around
  535 PM EDT.
  Bowleys Quarters around 545 PM EDT.

Other locations impacted by this tornadic thunderstorm include
Nottingham, Fullerton, Ruxton, Lutherville, Riderwood, Eudowood,
Chase, Bradshaw, Brooklandville and Eastpoint.

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ULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Baltimore MD/Washington DC
516 PM EDT Thu Sep 3 2020

The National Weather Service in Sterling Virginia has issued a

* Severe Thunderstorm Warning for...
  The northeastern District of Columbia...
  Anne Arundel County in central Maryland...
  Northern Prince Georges County in central Maryland...

* Until 615 PM EDT.

* At 516 PM EDT, severe thunderstorms were located along a line
  extending from near Laurel to College Park to Friendship Village,
  moving east at 30 mph.

  HAZARD...70 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...
  Bowie, Severn, Annapolis, College Park, Crofton, Greenbelt, Langley
  Park, Beltsville, Forestville, Largo, Bladensburg, Mayo, Shady
  Side, Deale, Naval Academy, Gibson Island, Sillery Bay, Fedex
  Field, Magothy River and Pinehurst.

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Looks like we dodged a bullet here. Nasty storm to my north and another to my south. Just a few flashes and rumbles and some moderate rain.

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The core of the radar-indicated winds passed over us, but I don't think we gusted much above 30-40 mph here.  Torrential rain (10+ in/hr) and lots of lightning were the big story here.

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Severe Weather Statement
National Weather Service Baltimore MD/Washington DC
524 PM EDT Thu Sep 3 2020

DCC001-MDC003-033-032215-
/O.CON.KLWX.SV.W.0439.000000T0000Z-200903T2215Z/
District of Columbia DC-Anne Arundel MD-Prince Georges MD-
524 PM EDT Thu Sep 3 2020

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM EDT
FOR THE NORTHEASTERN DISTRICT OF COLUMBIA...ANNE ARUNDEL AND NORTHERN
PRINCE GEORGES COUNTIES...

At 524 PM EDT, severe thunderstorms were located along a line
extending from Laurel to Greenbelt to Fort Totten, moving east at 30
mph.

These are very dangerous storms.

HAZARD...Widespread damaging wind gusts up to 80 mph.

SOURCE...Radar indicated.

IMPACT...Expect considerable damage to trees and power lines. Your
         life is at significant risk if outdoors. In addition to
         some trees falling into homes, wind damage is possible to
         roofs, sheds, open garages, and mobile homes.

Locations impacted include...
Bowie, Severn, Annapolis, College Park, Crofton, Greenbelt, Langley
Park, Beltsville, Forestville, Largo, Bladensburg, Mayo, Shady Side,
Deale, Naval Academy, Gibson Island, Sillery Bay, Fedex Field,
Magothy River and Pinehurst.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1000 PM EDT for District of
Columbia...and central Maryland.

This is an EXTREMELY DANGEROUS SITUATION. These storms will likely
produce widespread wind damage across College Park, Greenbelt and
Beltsville. SEEK SHELTER NOW inside a sturdy structure and stay away
from windows.

&&

LAT...LON 3896 7645 3877 7650 3891 7701 3901 7698
      3911 7690 3911 7685 3910 7684 3911 7682
      3912 7641 3906 7642 3901 7636
TIME...MOT...LOC 2124Z 281DEG 26KT 3911 7683 3899 7687 3895 7702

HAIL...<.75IN
WIND...80MPH

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NBC4 Washington on-air met thinks a tornado warning may be coming in for DC soon, hook over NW DC.  I did notice an outflow boundary on radar earlier west of Arlington/south of McLean along I-66, however.

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4 minutes ago, BrandonC_TX said:

NBC4 Washington on-air met thinks a tornado warning may be coming in for DC soon, hook over NW DC.  I did notice an outflow boundary on radar earlier west of Arlington/south of McLean along I-66, however.

That's clearly a hook echo over the Tenleytown area of NW DC.

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