Jefferson Severe Watches & Warnings NOAA Weather Radio

Watches & Warnings

Severe Thunderstorm Watch
Issued: 7:53 PM EDT Aug. 21, 2018 – National Weather Service

Severe Thunderstorm Watch 346 remains in effect until 1000 PM EDT

WV
. West Virginia counties included are

Berkeley Hampshire Hardy
Jefferson Morgan


Public Information Statement
Issued: 6:47 PM EDT Aug. 21, 2018 – National Weather Service

The following are unofficial observations taken during the past 12
hours for storms that have been affecting our region. Appreciation is
extended to our Skywarn spotters for these reports. This summary is
also available on our home Page at weather.Gov/Baltimore

********************storm total rainfall********************

Location storm total time/date comments
                     rainfall of
                     /inches/ measurement

Maryland

... Allegany County...
   Mount Savage 1.50 310 PM 8/21 trained spotter

Virginia

... Arlington County...
   Ballston 1 SSW 2.20 553 PM 8/21 trained spotter

... Fairfax County...
   Dunn Loring 1 SSE 3.97 543 PM 8/21 trained spotter
   Chantilly 3 E 2.00 108 PM 8/21 trained spotter
   Baileys Crossroads 1 1.63 133 PM 8/21 trained spotter

West Virginia

... Grant County...
   Kline Gap 2 ESE 1.08 345 PM 8/21 trained spotter


*****metadata*****
:8/21/2018, 310 PM, MD, Allegany, Mount Savage, , , 39.69590, -78.87670, rain, 1.50, inch, trained spotter, storm total rainfall,
:8/21/2018, 553 PM, VA, Arlington, Ballston, 1, SSW, 38.86360, -77.12680, rain, 2.20, inch, trained spotter, storm total rainfall,
:8/21/2018, 543 PM, VA, Fairfax, Dunn Loring, 1, SSE, 38.87430, -77.21500, rain, 3.97, inch, trained spotter, storm total rainfall,
:8/21/2018, 108 PM, VA, Fairfax, Chantilly, 3, E, 38.87005, -77.35999, rain, 2.00, inch, trained spotter, storm total rainfall,
:8/21/2018, 133 PM, VA, Fairfax, Baileys Crossroads, 1, NNE, 38.86240, -77.12430, rain, 1.63, inch, trained spotter, storm total rainfall,
:8/21/2018, 345 PM, WV, Grant, Kline Gap, 2, ESE, 39.06560, -79.16140, rain, 1.08, inch, trained spotter, storm total rainfall,


Smz


647 PM EDT Tue Aug 21 2018

The following are unofficial observations taken during the past 12
hours for storms that have been affecting our region. Appreciation is
extended to our Skywarn spotters for these reports. This summary is
also available on our home Page at weather.Gov/Baltimore

********************storm total rainfall********************

Location storm total time/date comments
                     rainfall of
                     /inches/ measurement

Maryland

... Allegany County...
   Mount Savage 1.50 310 PM 8/21 trained spotter

Virginia

... Arlington County...
   Ballston 1 SSW 2.20 553 PM 8/21 trained spotter

... Fairfax County...
   Dunn Loring 1 SSE 3.97 543 PM 8/21 trained spotter
   Chantilly 3 E 2.00 108 PM 8/21 trained spotter
   Baileys Crossroads 1 1.63 133 PM 8/21 trained spotter

West Virginia

... Grant County...
   Kline Gap 2 ESE 1.08 345 PM 8/21 trained spotter


*****metadata*****
:8/21/2018, 310 PM, MD, Allegany, Mount Savage, , , 39.69590, -78.87670, rain, 1.50, inch, trained spotter, storm total rainfall,
:8/21/2018, 553 PM, VA, Arlington, Ballston, 1, SSW, 38.86360, -77.12680, rain, 2.20, inch, trained spotter, storm total rainfall,
:8/21/2018, 543 PM, VA, Fairfax, Dunn Loring, 1, SSE, 38.87430, -77.21500, rain, 3.97, inch, trained spotter, storm total rainfall,
:8/21/2018, 108 PM, VA, Fairfax, Chantilly, 3, E, 38.87005, -77.35999, rain, 2.00, inch, trained spotter, storm total rainfall,
:8/21/2018, 133 PM, VA, Fairfax, Baileys Crossroads, 1, NNE, 38.86240, -77.12430, rain, 1.63, inch, trained spotter, storm total rainfall,
:8/21/2018, 345 PM, WV, Grant, Kline Gap, 2, ESE, 39.06560, -79.16140, rain, 1.08, inch, trained spotter, storm total rainfall,


Smz

553 PM EDT Tue Aug 21 2018

The following are unofficial observations taken during the past 5
hours for the storm that has been affecting our region. Appreciation
is extended to our Skywarn spotters and cooperative observers for
these reports. This summary is also available on our home Page at
weather.Gov/baltimorethe following are unofficial observations taken
during the past 5 hours for the storm that has been affecting our
region. Appreciation is extended to Highway departments... cooperative
observers... Skywarn spotters and media for these reports. This
summary is also available on our home Page at weather.Gov/Baltimore

********************storm total rainfall********************

Location storm total time/date comments
                     rainfall of
                     /inches/ measurement

Maryland

... Allegany County...
   Mount Savage 1.50 310 PM 8/21 trained spotter

Virginia

... Fairfax County...
   Dunn Loring 1 SSE 3.97 543 PM 8/21 trained spotter
   Chantilly 3 E 2.00 108 PM 8/21 trained spotter
   Baileys Crossroads 1 1.63 133 PM 8/21 trained spotter


**********************24 hour rainfall**********************

Location 24 hour time/date comments
                     rainfall of
                     /inches/ measurement

Virginia

... Madison County...
   Big Meadows coop 1.64 100 PM 8/21 co-op observer

... Rappahannock County...
   Mathews Arm 3.00 130 PM 8/21 co-op observer

... Warren County...
   Front Royal 1.40 115 PM 8/21 co-op observer


*****metadata*****
:8/21/2018, 310 PM, MD, Allegany, Mount Savage, , , 39.69590, -78.87670, rain, 1.50, inch, trained spotter, storm total rainfall,
:8/21/2018, 543 PM, VA, Fairfax, Dunn Loring, 1, SSE, 38.87430, -77.21500, rain, 3.97, inch, trained spotter, storm total rainfall,
:8/21/2018, 108 PM, VA, Fairfax, Chantilly, 3, E, 38.87005, -77.35999, rain, 2.00, inch, trained spotter, storm total rainfall,
:8/21/2018, 133 PM, VA, Fairfax, Baileys Crossroads, 1, NNE, 38.86240, -77.12430, rain, 1.63, inch, trained spotter, storm total rainfall,
:8/21/2018, 100 PM, VA, Madison, Big Meadows coop, , , 38.52170, -78.43550, rain_24, 1.64, inch, co-op observer, 24-hourly rainfall,
:8/21/2018, 130 PM, VA, Rappahannock, Mathews Arm, , , 38.76670, -78.23330, rain_24, 3.00, inch, co-op observer, 24-hourly rainfall,
:8/21/2018, 115 PM, VA, Warren, Front Royal, , , 38.90420, -78.18220, rain_24, 1.40, inch, co-op observer, 24-hourly rainfall,


Smz


553 PM EDT Tue Aug 21 2018

The following are unofficial observations taken during the past 5
hours for the storm that has been affecting our region. Appreciation
is extended to our Skywarn spotters and cooperative observers for
these reports. This summary is also available on our home Page at
weather.Gov/baltimorethe following are unofficial observations taken
during the past 5 hours for the storm that has been affecting our
region. Appreciation is extended to Highway departments... cooperative
observers... Skywarn spotters and media for these reports. This
summary is also available on our home Page at weather.Gov/Baltimore

********************storm total rainfall********************

Location storm total time/date comments
                     rainfall of
                     /inches/ measurement

Maryland

... Allegany County...
   Mount Savage 1.50 310 PM 8/21 trained spotter

Virginia

... Fairfax County...
   Dunn Loring 1 SSE 3.97 543 PM 8/21 trained spotter
   Chantilly 3 E 2.00 108 PM 8/21 trained spotter
   Baileys Crossroads 1 1.63 133 PM 8/21 trained spotter


**********************24 hour rainfall**********************

Location 24 hour time/date comments
                     rainfall of
                     /inches/ measurement

Virginia

... Madison County...
   Big Meadows coop 1.64 100 PM 8/21 co-op observer

... Rappahannock County...
   Mathews Arm 3.00 130 PM 8/21 co-op observer

... Warren County...
   Front Royal 1.40 115 PM 8/21 co-op observer


*****metadata*****
:8/21/2018, 310 PM, MD, Allegany, Mount Savage, , , 39.69590, -78.87670, rain, 1.50, inch, trained spotter, storm total rainfall,
:8/21/2018, 543 PM, VA, Fairfax, Dunn Loring, 1, SSE, 38.87430, -77.21500, rain, 3.97, inch, trained spotter, storm total rainfall,
:8/21/2018, 108 PM, VA, Fairfax, Chantilly, 3, E, 38.87005, -77.35999, rain, 2.00, inch, trained spotter, storm total rainfall,
:8/21/2018, 133 PM, VA, Fairfax, Baileys Crossroads, 1, NNE, 38.86240, -77.12430, rain, 1.63, inch, trained spotter, storm total rainfall,
:8/21/2018, 100 PM, VA, Madison, Big Meadows coop, , , 38.52170, -78.43550, rain_24, 1.64, inch, co-op observer, 24-hourly rainfall,
:8/21/2018, 130 PM, VA, Rappahannock, Mathews Arm, , , 38.76670, -78.23330, rain_24, 3.00, inch, co-op observer, 24-hourly rainfall,
:8/21/2018, 115 PM, VA, Warren, Front Royal, , , 38.90420, -78.18220, rain_24, 1.40, inch, co-op observer, 24-hourly rainfall,


Smz

322 PM EDT Tue Aug 21 2018

... Public information statement...

... Severe weather safety rules...

Severe thunderstorms are possible this evening. Residents across
northwester Virginia... western and central Maryland and eastern
West Virginia should monitor this situation very closely and
ensure your NOAA weather radios are set to alert Mode. Severe
weather warnings for imminent damaging storms may become
necessary.

Here are some safety rules to keep in mind when severe weather is
expected or is occurring. If a warning is issued, seek shelter
indoors immediately. A severe thunderstorm is defined as producing
quarter size or greater hail and damaging wind gusts of 58 mph or
more.

Tornadoes can form very rapidly from severe thunderstorms. If a
Severe Thunderstorm Warning is issued for your area... monitor
local conditions closely and be ready to take quick action to save
your life.

Stay tuned to NOAA Weather Radio, commercial radio, information
sources from your phone, or television for the latest on this
potential severe weather event. Additional weather information, can
be found at weather.Gov/Washington or weather.Gov/Baltimore.


322 PM EDT Tue Aug 21 2018

... Public information statement...

... Severe weather safety rules...

Severe thunderstorms are possible this evening. Residents across
northwester Virginia... western and central Maryland and eastern
West Virginia should monitor this situation very closely and
ensure your NOAA weather radios are set to alert Mode. Severe
weather warnings for imminent damaging storms may become
necessary.

Here are some safety rules to keep in mind when severe weather is
expected or is occurring. If a warning is issued, seek shelter
indoors immediately. A severe thunderstorm is defined as producing
quarter size or greater hail and damaging wind gusts of 58 mph or
more.

Tornadoes can form very rapidly from severe thunderstorms. If a
Severe Thunderstorm Warning is issued for your area... monitor
local conditions closely and be ready to take quick action to save
your life.

Stay tuned to NOAA Weather Radio, commercial radio, information
sources from your phone, or television for the latest on this
potential severe weather event. Additional weather information, can
be found at weather.Gov/Washington or weather.Gov/Baltimore.