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July Discobs 2019

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I am guessing it was by spotters -- updated SWS doesn't say by who but a wall cloud was observed just north of Damascus

 

Severe Weather Statement
National Weather Service Baltimore MD/Washington DC
310 PM EDT Mon Jul 22 2019

MDC013-021-027-031-221930-
/O.CON.KLWX.TO.W.0031.000000T0000Z-190722T1930Z/
Carroll MD-Howard MD-Montgomery MD-Frederick MD-
310 PM EDT Mon Jul 22 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM EDT FOR SOUTH
CENTRAL CARROLL COUNTY IN NORTH CENTRAL MARYLAND...NORTHWESTERN
HOWARD...NORTH CENTRAL MONTGOMERY COUNTIES IN CENTRAL MARYLAND AND
SOUTHEASTERN FREDERICK COUNTIES IN NORTH CENTRAL MARYLAND...

At 309 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Green Valley, or near Damascus, moving northeast at
35 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation. A wall cloud was spotted north of
         Damascus.

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.

Other locations impacted by this tornadic thunderstorm include
Monrovia, Woodbine and Watersville.

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theres def a little inflow notch on that bow portion of the storm. not surprised they tornado warned it, though rotation looks broad. 

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Just now, Eskimo Joe said:

The TOR was warned off BWI terminal...had a better look compared to LWX.

ahhhhh looks much nicer on that radar

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BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Baltimore MD/Washington DC
319 PM EDT Mon Jul 22 2019

The National Weather Service in Sterling Virginia has issued a

* Severe Thunderstorm Warning for...
  Anne Arundel County in central Maryland...
  Southeastern Howard County in central Maryland...
  East central Montgomery County in central Maryland...
  Northeastern Prince Georges County in central Maryland...

* Until 415 PM EDT.

* At 319 PM EDT, a severe thunderstorm was located over Hillandale,
  or over Langley Park, moving east at 30 mph.

  HAZARD...60 to 65 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, Elkridge, Riviera Beach, Mayo, Naval Academy,
  Baltimore-Washington Airport, Severn River, Fort Smallwood State
  Park, University of Maryland, Gibson Island, Bodkin Point, Sillery
  Bay and Pinehurst.

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BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Baltimore MD/Washington DC
323 PM EDT Mon Jul 22 2019

The National Weather Service in Sterling Virginia has issued a

* Severe Thunderstorm Warning for...
  Eastern Carroll County in north central Maryland...
  Northwestern Baltimore City in northern Maryland...
  Harford County in northern Maryland...
  Baltimore County in northern Maryland...

* Until 430 PM EDT.

* At 322 PM EDT, severe thunderstorms with a history of producing
  wind damage and measured wind gusts to nearly 60 MPH were located
  along a line extending from 9 miles northeast of New Market to
  near Mount Airy, moving northeast at 50 mph.

  HAZARD...60 to 75 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...
  Baltimore, Pikesville, Cockeysville, Westminster, Aberdeen, Havre
  De Grace, Ellicott City, Towson, Bel Air South, Woodlawn,
  Randallstown, Parkville, Owings Mills, Bel Air North, Eldersburg,
  Carney, Milford Mill, Perry Hall, Reisterstown and Lochearn.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

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28 minutes ago, yoda said:
BULLETIN - EAS ACTIVATION REQUESTED
Severe Thunderstorm Warning
National Weather Service Baltimore MD/Washington DC
257 PM EDT Mon Jul 22 2019

The National Weather Service in Sterling Virginia has issued a

* Severe Thunderstorm Warning for...
  Southeastern Carroll County in north central Maryland...
  Northwestern Howard County in central Maryland...
  Northwestern Montgomery County in central Maryland...
  Southeastern Frederick County in north central Maryland...

* Until 345 PM EDT.

* At 256 PM EDT, a severe thunderstorm with a history of producing
  wind damage was located 7 miles south of Ballenger Creek, or 8
  miles south of Harry Grove Stadium, moving northeast at 35 mph.

  This is a very dangerous storm.

  HAZARD...60 to 80 mph wind gusts.

  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...
  Frederick, Westminster, Damascus, Eldersburg, Mount Airy,
  Walkersville, Sykesville, Oakland, New Market, Gamber,
  Discovery-Spring Garden, Green Valley, Linganore-Bartonsville,
  Clarksburg, New Windsor, Libertytown, Monrovia, Barnesville,
  Henryton and Winfield.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

These storms have a history of producing wind damage. Seek shelter
immediately in the center of the lowest level of a sturdy building
away from windows.

That’s some June 2012-ish rhetoric there

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7 minutes ago, supernovasky said:

Lol the storms are literally splitting around me in Germantown.

Welcome to Maryland's weather hole.  Rained for a few minutes here but that's not gonna cut it.  My yard is hard as rock.

On the plus side, the temp is down to 72.

 

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That was a really fast SWS update on the TW for Carroll/Baltimore... about 3 minutes after issuance of the TW, an SWS came out for it

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4 minutes ago, Eskimo Joe said:

New TOR for Carroll and Baltimore until 4pm

well shit. that's a little too close for comfort at home. 

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.74" of rain 71.8/69/74 currently. 

No damage to report at my house. The area of the Tornado warning went just to my South by about a couple of miles. Heavy blowing rain and occasional thunder and lightning. Just getting light rain now. 

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Severe Weather Statement
National Weather Service Baltimore MD/Washington DC
337 PM EDT Mon Jul 22 2019

MDC005-013-025-510-222030-
/O.CON.KLWX.SV.W.0417.000000T0000Z-190722T2030Z/
Carroll MD-Baltimore City MD-Harford MD-Baltimore MD-
337 PM EDT Mon Jul 22 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EDT
FOR EASTERN CARROLL...HARFORD AND BALTIMORE COUNTIES AND NORTHWESTERN
BALTIMORE CITY...

At 336 PM EDT, severe thunderstorms with a history of producing wind
damage and measured wind gusts to near 60 MPH were located along a
line extending from Westminster to Sykesville, moving northeast at
50 mph.

These are dangerous storms!

HAZARD...60 to 80 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...
Pikesville, Cockeysville, Westminster, Aberdeen, Havre De Grace,
Towson, Bel Air South, Randallstown, Parkville, Owings Mills, Bel Air
North, Eldersburg, Carney, Milford Mill, Perry Hall, Reisterstown,
Lochearn, Mays Chapel, Timonium and White Marsh.

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Just now, mappy said:

well shit. that's a little too close for comfort at home. 

Severe Weather Statement
National Weather Service Baltimore MD/Washington DC
339 PM EDT Mon Jul 22 2019

MDC005-013-222000-
/O.CON.KLWX.TO.W.0032.000000T0000Z-190722T2000Z/
Carroll MD-Baltimore MD-
339 PM EDT Mon Jul 22 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 400 PM EDT FOR EAST
CENTRAL CARROLL AND NORTHWESTERN BALTIMORE COUNTIES...

At 338 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Reese, moving east at 35 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.

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4 minutes ago, biodhokie said:

Welp. Behind this it seems like the HRRR/NAM was correct. Some people got some excitement but others have to live vicariously.

I'm impressed at how well the meso models have handled this so far.  The initial batch timing and location is pretty good.  The rest of us should be looking out for later this afternoon into the evening.

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4 minutes ago, biodhokie said:

Welp. Behind this it seems like the HRRR/NAM was correct. Some people got some excitement but others have to live vicariously.

lol

The FFW just started and teh front hasn't even come through yet... it will later.

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