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Hurricane Ida's Remnants


SnowenOutThere
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BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Baltimore MD/Washington DC
1253 AM EDT Wed Sep 1 2021

The National Weather Service in Sterling Virginia has issued a

* Severe Thunderstorm Warning for...
  North central Orange County in central Virginia...
  South central Fauquier County in northern Virginia...
  Central Culpeper County in northern Virginia...

* Until 145 AM EDT.

* At 1253 AM EDT, a severe thunderstorm was located 7 miles northeast
  of Orange, moving northeast at 35 mph.

  HAZARD...60 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...
  Culpeper, Bealeton, Remington, Raccoon Ford, Elkwood, Catalpa,
  Stevensburg, Brandy Station, Rapidan, Lois, Everona, Winston,
  Lignum, Mitchells, Rixeyville and Alanthus.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 300 AM EDT for northern and
central Virginia. A Tornado Watch also remains in effect until 800 AM
EDT for northern Virginia.

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

A Tornado Watch remains in effect until 300 AM EDT for northern and
central Virginia. A Tornado Watch also remains in effect until 800 AM
EDT for northern Virginia.
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2 minutes ago, yoda said:

Tornado Watch issued till 8am for most of N VA/DC/MD


URGENT - IMMEDIATE BROADCAST REQUESTED
   Tornado Watch Number 481
   NWS Storm Prediction Center Norman OK
   1255 AM EDT Wed Sep 1 2021

   The NWS Storm Prediction Center has issued a

   * Tornado Watch for portions of 
     District Of Columbia
     Central and northern Maryland
     Northeastern Virginia
     Coastal Waters

   * Effective this Wednesday morning from 1255 AM until 800 AM EDT.

   * Primary threats include...
     A couple tornadoes possible
     Isolated damaging wind gusts to 70 mph possible

   SUMMARY...A potentially tornadic supercell on the fringes of Ida's
   remnants will exit tornado watch 480 in the next 1-2 hours and is
   moving generally toward the DC metro.  Other convection also may
   develop and become supercellular overnight, along a frontal zone
   draped across the watch area.

   The tornado watch area is approximately along and 30 statute miles
   either side of a line from 50 miles west southwest of Washington DC
   to 30 miles northeast of Baltimore MD. For a complete depiction of
   the watch see the associated watch outline update (WOUS64 KWNS
   WOU1).

   PRECAUTIONARY/PREPAREDNESS ACTIONS...

   REMEMBER...A Tornado Watch means conditions are favorable for
   tornadoes and severe thunderstorms in and close to the watch
   area. Persons in these areas should be on the lookout for
   threatening weather conditions and listen for later statements
   and possible warnings.
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4 minutes ago, yoda said:

Tornado Watch issued till 8am for most of N VA/DC/MD

40/20 on the tor probs

ULLETIN - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH OUTLINE UPDATE FOR WT 481
   NWS STORM PREDICTION CENTER NORMAN OK
   1255 AM EDT WED SEP 1 2021

   TORNADO WATCH 481 IS IN EFFECT UNTIL 800 AM EDT FOR THE
    FOLLOWING LOCATIONS

   DCC001-011200-
   /O.NEW.KWNS.TO.A.0481.210901T0455Z-210901T1200Z/

   DC 
   .    DISTRICT OF COLUMBIA COUNTIES INCLUDED ARE

   DISTRICT OF COLUMBIA 


   MDC003-005-013-017-021-025-027-031-033-510-011200-
   /O.NEW.KWNS.TO.A.0481.210901T0455Z-210901T1200Z/

   MD 
   .    MARYLAND COUNTIES INCLUDED ARE

   ANNE ARUNDEL         BALTIMORE           CARROLL             
   CHARLES              FREDERICK           HARFORD             
   HOWARD               MONTGOMERY          PRINCE GEORGES      


   MARYLAND INDEPENDENT CITIES INCLUDED ARE

   BALTIMORE CITY       


   VAC013-059-061-107-153-179-510-600-610-630-683-685-011200-
   /O.NEW.KWNS.TO.A.0481.210901T0455Z-210901T1200Z/

   VA 
   .    VIRGINIA COUNTIES INCLUDED ARE

   ARLINGTON            FAIRFAX             FAUQUIER            
   LOUDOUN              PRINCE WILLIAM      STAFFORD            


   VIRGINIA INDEPENDENT CITIES INCLUDED ARE

   ALEXANDRIA           FAIRFAX             FALLS CHURCH        
   FREDERICKSBURG       MANASSAS            MANASSAS PARK       
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1 minute ago, MDphotog said:

Wow, this cell could not hit at a worse time for the DC/Balt area.  Very few will be paying attention or even be awake.

Won’t they send alerts to everyone’s phones as it gets closer?

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BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Baltimore MD/Washington DC
109 AM EDT Wed Sep 1 2021

The National Weather Service in Sterling Virginia has issued a

* Severe Thunderstorm Warning for...
  Northeastern Orange County in central Virginia...
  Southeastern Fauquier County in northern Virginia...
  Southeastern Culpeper County in northern Virginia...

* Until 200 AM EDT.

* At 109 AM EDT, a severe thunderstorm was located 11 miles southeast
  of Culpeper, moving northeast at 30 mph.

  HAZARD...60 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...
  Rhoadesville, Lois, Everona, Verdiersville, Burr Hill, Locust
  Grove, Flat Run, Lignum, Lake Of The Woods, Richardsville,
  Morrisville, Goldvein, Sumerduck and Raccoon Ford.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 300 AM EDT for northern and
central Virginia. A Tornado Watch also remains in effect until 800 AM
EDT for northern Virginia.

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

A Tornado Watch remains in effect until 300 AM EDT for northern and
central Virginia. A Tornado Watch also remains in effect until 800 AM
EDT for northern Virginia.
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BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Baltimore MD/Washington DC
142 AM EDT Wed Sep 1 2021

The National Weather Service in Sterling Virginia has issued a

* Severe Thunderstorm Warning for...
  Central Fauquier County in northern Virginia...

* Until 230 AM EDT.

* At 142 AM EDT, a severe thunderstorm was located near Bealeton, or
  10 miles south of Warrenton, moving northeast 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...
  Warrenton, Bealeton, New Baltimore, Opal, Midland, Airlie, Broken
  Hill, Auburn and Casanova.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 300 AM EDT for northern
Virginia. A Tornado Watch also remains in effect until 800 AM EDT for
northern Virginia.

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

A Tornado Watch remains in effect until 300 AM EDT for northern
Virginia. A Tornado Watch also remains in effect until 800 AM EDT for
northern Virginia.

&&

LAT...LON 3875 7766 3870 7763 3855 7781 3857 7786
      3858 7787 3859 7787 3860 7786 3861 7787
      3862 7786 3863 7787 3881 7779
TIME...MOT...LOC 0542Z 214DEG 22KT 3857 7784

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
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4 minutes ago, yoda said:

ENH risk for new Day 1 SPC OTLK... N VA into DC along with C MD into the Delmarva... 10% tor and 15% wind 

 

Day 1 Convective Outlook  
   NWS Storm Prediction Center Norman OK
   1235 AM CDT Wed Sep 01 2021

   Valid 011200Z - 021200Z

   ...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS ACROSS PORTIONS
   OF THE MIDDLE ATLANTIC...

   ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS IMMEDIATELY
   SURROUNDING THE ENHANCED RISK AND ACROSS PARTS OF THE
   NORTHERN/CENTRAL PLAINS...

   ...SUMMARY...
   Several tornadoes and scattered damaging winds appear probable
   across parts of the Mid-Atlantic as the remnants of Ida move through
   the region later today. Isolated strong/severe storms may also occur
   across portions of the northern/central Plains.

   ...Middle Atlantic...

   Remnants of Ida are currently spreading northeast across the
   southern Appalachians early this morning. Surface low associated
   with this feature is forecast to track into southern WV by the start
   of the day1 period, then advance into northern VA by early
   afternoon. In response, warm front should advance north across NJ,
   ultimately orienting itself near Long Island during the evening.
   This boundary will serve as the northern demarcation of meaningful
   tornado potential.

   Have opted to extend 10% tornado probabilities a bit farther north
   across NJ due to the warm sector that should spread across much of
   the Garden State.

   Latest water-vapor imagery depicts a more open short-wave trough in
   association with the remnants of Ida. This feature will eject into
   WV by 18z, then east during the overnight hours as stronger 500mb
   flow translates into southern New England. Latest model guidance
   continues to suggest LLJ will strengthen across the Delmarva into NJ
   ahead of the low and strong vertical shear will prove sufficient for
   sustaining supercells. Additionally, while very moist air mass (PW
   values 2"+) will overspread this corridor, some boundary-layer
   heating is expected, especially across the Delmarva into southern NJ
   where surface temperatures could approach 80F. This should aid
   buoyancy and increase the likelihood for robust updrafts. Given the
   strength of the wind field, tornadoes appear possible with
   supercells until the surface low advances off the NJ coast later in
   the evening.
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8 minutes ago, yoda said:

South of Warrenton could use a TW right now 

Yeah that's the one.

I wonder how much consideration is given to not setting off 5 million cell phones and waking up a whole metro area with EAS activation at 2am.

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BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Baltimore MD/Washington DC
234 AM EDT Wed Sep 1 2021

The National Weather Service in Sterling Virginia has issued a

* Severe Thunderstorm Warning for...
  The northwestern City of Fairfax in northern Virginia...
  Northwestern Fairfax County in northern Virginia...

* Until 315 AM EDT.

* At 234 AM EDT, a severe thunderstorm was located over Centreville,
  moving northeast at 20 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...
  Centreville, Reston, Herndon, Fairfax, Vienna, Oakton, Sterling,
  Chantilly, Wolf Trap and Dunn Loring.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 800 AM EDT for northern
Virginia.

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

Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature`s leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.

A Tornado Watch remains in effect until 800 AM EDT for northern
Virginia.
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