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2023 Mid-Atlantic Severe Wx Thread (General Discussion)


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5 minutes ago, WxUSAF said:

I was just in the car and EAS came on the radio with a STW for Columbia. I was like WTF!?

70mph gusts now per warning

Severe Weather Statement
National Weather Service Baltimore MD/Washington DC
352 PM EDT Sat Jul 29 2023

MDC021-027-031-VAC059-107-292030-
/O.CON.KLWX.SV.W.0207.000000T0000Z-230729T2030Z/
Howard MD-Montgomery MD-Frederick MD-Loudoun VA-Fairfax VA-
352 PM EDT Sat Jul 29 2023

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EDT
FOR CENTRAL HOWARD AND MONTGOMERY COUNTIES IN CENTRAL MARYLAND...
SOUTH CENTRAL FREDERICK COUNTY IN NORTH CENTRAL MARYLAND...
NORTHEASTERN LOUDOUN AND NORTH CENTRAL FAIRFAX COUNTIES IN NORTHERN
VIRGINIA...

At 352 PM EDT, severe thunderstorms were located along a line
extending from near Point Of Rocks to Poolesville to Lansdowne,
moving east at 40 mph.

HAZARD...70 mph wind gusts and quarter size hail.

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, Germantown, Rockville, Bethesda, Gaithersburg, Leesburg,
Olney, Damascus, Broadlands, Lansdowne, Lowes Island, Poolesville,
Aspen Hill, Potomac, North Bethesda, Ashburn, Montgomery Village,
Sterling, North Potomac and Fairland.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Sterling Virginia.

&&

LAT...LON 3929 7693 3912 7691 3900 7699 3903 7765
      3915 7757 3926 7756
TIME...MOT...LOC 1952Z 267DEG 36KT 3921 7747 3912 7741 3907 7750

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
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BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Baltimore MD/Washington DC
424 PM EDT Sat Jul 29 2023

The National Weather Service in Sterling Virginia has issued a

* Severe Thunderstorm Warning for...
  The District of Columbia...
  Anne Arundel County in central Maryland...
  Southeastern Howard County in central Maryland...
  Southeastern Montgomery County in central Maryland...
  Northern Prince Georges County in central Maryland...
  Arlington County in northern Virginia...
  The City of Falls Church in northern Virginia...
  Northeastern Fairfax County in northern Virginia...

* Until 545 PM EDT.

* At 424 PM EDT, severe thunderstorms were located along a line
  extending from Savage-guilford to Hillandale to Reston, moving east
  at 35 mph.

  HAZARD...70 mph wind gusts and quarter size hail.

  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...
  Arlington, Alexandria, Columbia, Rockville, Bethesda, Reston,
  Bowie, Severn, Annapolis, College Park, Crofton, Herndon,
  Greenbelt, Langley Park, Beltsville, Vienna, Elkridge, Riviera
  Beach, Forestville and Falls Church.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Sterling Virginia.

&&

LAT...LON 3896 7645 3875 7651 3890 7742 3900 7735
      3911 7704 3923 7693 3919 7651 3918 7648
      3917 7648 3913 7641 3906 7642 3901 7637
TIME...MOT...LOC 2024Z 268DEG 29KT 3916 7682 3902 7700 3892 7735

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
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BULLETIN - EAS ACTIVATION REQUESTED
Severe Thunderstorm Warning
National Weather Service Baltimore MD/Washington DC
435 PM EDT Sat Jul 29 2023

The National Weather Service in Sterling Virginia has issued a

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

* Until 500 PM EDT.

* At 434 PM EDT, a severe thunderstorm was located over
  Savage-guilford, or near Elkridge, moving east at 35 mph.

  THIS IS A DESTRUCTIVE STORM FOR eastern Howard County and northern
Anne Arundel County.

  HAZARD...80 mph wind gusts and quarter size hail.

  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...
  Columbia, Severn, Elkridge, Riviera Beach, Baltimore-Washington
  Airport, Fort Smallwood State Park, Glen Burnie, Severna Park,
  Odenton, Laurel, Pasadena, Arnold, Lake Shore, Ferndale, Fort
  Meade, Millersville, Green Haven, Savage-guilford, South Gate and
  Scaggsville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

This is an EXTREMELY DANGEROUS SITUATION with tornado like wind
speeds expected. Mobile homes and high profile vehicles are
especially susceptible to winds of this magnitude and may be
overturned. For your protection move to an interior room on the
lowest floor of a building. This storm has the potential to cause
serious injury and significant property damage.

To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Sterling Virginia.

&&

LAT...LON 3920 7647 3919 7647 3919 7649 3918 7647
      3902 7650 3907 7686 3917 7683 3918 7677
      3920 7657 3919 7650 3920 7649
TIME...MOT...LOC 2034Z 268DEG 30KT 3913 7679

THUNDERSTORM DAMAGE THREAT...DESTRUCTIVE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...80 MPH
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Severe Weather Statement
National Weather Service Baltimore MD/Washington DC
441 PM EDT Sat Jul 29 2023

DCC001-MDC003-027-031-033-VAC013-059-610-292145-
/O.CON.KLWX.SV.W.0212.000000T0000Z-230729T2145Z/
District of Columbia DC-Anne Arundel MD-Howard MD-Montgomery MD-
Prince Georges MD-Arlington VA-City of Falls Church VA-Fairfax VA-
441 PM EDT Sat Jul 29 2023

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EDT
FOR THE DISTRICT OF COLUMBIA...ANNE ARUNDEL...SOUTHEASTERN HOWARD...
SOUTHEASTERN MONTGOMERY...NORTHERN PRINCE GEORGES...ARLINGTON AND
NORTHEASTERN FAIRFAX COUNTIES AND THE CITY OF FALLS CHURCH...

At 441 PM EDT, severe thunderstorms were located along a line
extending from Baltimore-Washington Airport to near Goddard to Pimmit
Hills, moving east at 35 mph.

HAZARD...70 mph wind gusts and quarter size hail.

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...
Arlington, Columbia, Bethesda, Reston, Bowie, Severn, Annapolis,
College Park, Crofton, Greenbelt, Langley Park, Beltsville, Vienna,
Elkridge, Riviera Beach, Forestville, Falls Church, Largo, Coral
Hills and Bladensburg.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Sterling Virginia.

&&

LAT...LON 3896 7645 3875 7651 3890 7741 3896 7736
      3896 7724 3911 7700 3922 7680 3919 7651
      3918 7649 3916 7647 3913 7641 3906 7642
      3901 7637
TIME...MOT...LOC 2041Z 268DEG 29KT 3916 7666 3902 7684 3892 7719

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
 
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Destructive tag still going for AA County storm

Severe Weather Statement
National Weather Service Baltimore MD/Washington DC
447 PM EDT Sat Jul 29 2023

MDC003-292100-
/O.CON.KLWX.SV.W.0214.000000T0000Z-230729T2100Z/
Anne Arundel MD-
447 PM EDT Sat Jul 29 2023

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM EDT
FOR NORTHERN ANNE ARUNDEL COUNTY...

At 447 PM EDT, a severe thunderstorm was located over Severn, moving
east at 30 mph.

THIS IS A DESTRUCTIVE STORM FOR NORTHERN ANNE ARUNDEL COUNTY.

HAZARD...80 mph wind gusts and quarter size hail.

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...
Severn, Glen Burnie, Severna Park, Odenton, Pasadena, Arnold, Lake
Shore, Fort Meade, Millersville, South Gate, Gambrills, Herald
Harbor, Crownsville, Chelsea Beach, Sherwood Forest and Belvedere
Heights.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This is an EXTREMELY DANGEROUS SITUATION with tornado like wind
speeds expected. Mobile homes and high profile vehicles are
especially susceptible to winds of this magnitude and may be
overturned. For your protection move to an interior room on the
lowest floor of a building. This storm has the potential to cause
serious injury and significant property damage.

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Sterling Virginia.

&&

LAT...LON 3906 7678 3915 7675 3912 7652 3911 7648
      3902 7650
TIME...MOT...LOC 2047Z 280DEG 27KT 3910 7667

THUNDERSTORM DAMAGE THREAT...DESTRUCTIVE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...80 MPH
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19 minutes ago, MN Transplant said:

NW DC is about to get nailed.  Definitely the loudest storm of the year over here, but it doesn't look like I'll get big wind.

THIS. Just finished mowing the back lawn about 20 min ago, with...literally...blue skies all around me, but I was shocked to hear a surprisingly earth-rumbling peal of thunder, and they've been coming in successive, booming waves ever since. And this has since happened...something wicked this way comes, likely from SW DC and Arlington County. Even darker now.

PXL_20230729_204308257-EDITa.jpg

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2 minutes ago, yoda said:

Destructive storm tag for DC

Severe Thunderstorm Warning
DCC001-MDC033-VAC013-292115-
/O.NEW.KLWX.SV.W.0216.230729T2055Z-230729T2115Z/

BULLETIN - EAS ACTIVATION REQUESTED
Severe Thunderstorm Warning
National Weather Service Baltimore MD/Washington DC
455 PM EDT Sat Jul 29 2023

The National Weather Service in Sterling Virginia has issued a

* Severe Thunderstorm Warning for...
  The District of Columbia...
  Central Prince Georges County in central Maryland...
  East central Arlington County in northern Virginia...

* Until 515 PM EDT.

* At 455 PM EDT, a severe thunderstorm was located over RFK Stadium,
  moving east at 30 mph.

  THIS IS A DESTRUCTIVE STORM FOR WASHINGTON DC.

  HAZARD...80 mph wind gusts and quarter size hail.

  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...
  Arlington, Clinton, Forestville, Largo, Coral Hills, Bladensburg,
  Nationals Park, Fedex Field, Howard University, Gallaudet
  University, Fort Totten, Reagan National Airport, Crystal City, RFK
  Stadium, Andrews Air Force Base, Landover, Camp Springs, Kettering,
  Walker Mill and Mitchellville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Sterling Virginia.

&&

LAT...LON 3886 7707 3895 7703 3893 7676 3877 7683
TIME...MOT...LOC 2055Z 282DEG 25KT 3890 7698

THUNDERSTORM DAMAGE THREAT...DESTRUCTIVE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...80 MPH
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