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Elev 604 ft, 39.62 °N, 78.02 °W

Big Pool, MD Severe Weather Alertstar_ratehome

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Personal Weather Station
Location: Big Pool, MD
Elevation: 604ft
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Active Weather Alerts

Severe Thunderstorm Warning
Issued: 10:20 PM Jul. 4, 2026 – National Weather Service
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM EDT
FOR SOUTHEASTERN WASHINGTON AND CENTRAL FREDERICK COUNTIES IN NORTH
CENTRAL MARYLAND...NORTHEASTERN FREDERICK COUNTY IN NORTHWESTERN
VIRGINIA...NORTHERN JEFFERSON AND CENTRAL BERKELEY COUNTIES IN THE
PANHANDLE OF WEST VIRGINIA...

At 619 PM EDT, severe thunderstorms were located along a line
extending from near Inwood to Ballenger Creek, moving east 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...
Frederick, Martinsburg, Shepherdstown, Harry Grove Stadium, Ballenger
Creek, Walkersville, Ranson, Boonsboro, Inwood, Braddock Heights,
Kearneysville, Clover Hill, Discovery-Spring Garden,
Linganore-Bartonsville, Berkeley, Jefferson, Myersville, Keedysville,
Libertytown, and Sharpsburg.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&


HAIL THREAT...RADAR INDICATED;
MAX HAIL SIZE...<.75 IN;
WIND THREAT...RADAR INDICATED;
MAX WIND GUST...60 MPH

Severe Thunderstorm Warning
Issued: 10:15 PM Jul. 4, 2026 – National Weather Service
The National Weather Service in Sterling Virginia has issued a

* Severe Thunderstorm Warning for...
Northeastern Washington County in north central Maryland...
Northwestern Carroll County in north central Maryland...
Northwestern Frederick County in north central Maryland...

* Until 645 PM EDT.

* At 614 PM EDT, a severe thunderstorm was located near Clover Hill,
or near Thurmont, moving northeast at 20 mph.

THIS IS A DESTRUCTIVE STORM FOR EASTERN WASHINGTON COUNTY MARYLAND
AND NORTHERN FREDERICK COUNTY MARYLAND.

HAZARD...80 mph wind gusts and half dollar 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...
Thurmont, Emmitsburg, Walkersville, Boonsboro, Smithsburg, Mount
Aetna, Mount Lena, San Mar, Wolfsville, Myersville, Cavetown,
Sabillasville, Fort Ritchie, Ringgold, Harney, Utica, Pleasant
Walk, Rocky Ridge, Highfield, and Graceham.

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.

This is an EXTREMELY DANGEROUS SITUATION. This storm is producing
widespread wind damage across eastern Washington County Maryland and
northern Frederick County Maryland. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows!

Large hail, damaging wind, and continuous cloud to ground lightning
are 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.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&


THUNDERSTORM DAMAGE THREAT...DESTRUCTIVE;
HAIL THREAT...RADAR INDICATED;
MAX HAIL SIZE...1.25 IN;
WIND THREAT...RADAR INDICATED;
MAX WIND GUST...80 MPH

Extreme Heat Warning
Issued: 9:03 PM Jul. 4, 2026 – National Weather Service
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

* WHAT...Dangerously hot conditions with heat index values up to 105
to 109 expected.

* WHERE...Portions of north central Maryland, northwest Virginia,
and eastern and panhandle West Virginia.

* WHEN...Until 8 PM EDT this evening.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.

* ADDITIONAL DETAILS...Prolonged excessive heat may impact power,
water, and transportation systems. Heat index values of 95 to 100
are possible again Sunday afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.

&&

Severe Thunderstorm Watch
Issued: 6:16 PM Jul. 4, 2026 – National Weather Service
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
457 IN EFFECT UNTIL 10 PM EDT THIS EVENING FOR THE FOLLOWING
AREAS

THE DISTRICT OF COLUMBIA

IN MARYLAND THIS WATCH INCLUDES 16 COUNTIES

IN CENTRAL MARYLAND

ANNE ARUNDEL                       HOWARD
MONTGOMERY
PRINCE GEORGES

IN NORTH CENTRAL MARYLAND

CARROLL                       FREDERICK
WASHINGTON

IN NORTHEAST MARYLAND

CECIL

IN NORTHERN MARYLAND

BALTIMORE
BALTIMORE CITY
HARFORD

IN SOUTHERN MARYLAND

CALVERT                       CHARLES
ST. MARYS

IN WESTERN MARYLAND

ALLEGANY                       GARRETT

IN VIRGINIA THIS WATCH INCLUDES 34 COUNTIES

IN CENTRAL VIRGINIA

ALBEMARLE
CITY OF CHARLOTTESVILLE
CITY OF FREDERICKSBURG
GREENE                       KING GEORGE
NELSON                       ORANGE
SPOTSYLVANIA

IN NORTHERN VIRGINIA

ARLINGTON
CITY OF ALEXANDRIA
CITY OF FAIRFAX
CITY OF FALLS CHURCH
CITY OF MANASSAS
CITY OF MANASSAS PARK
CULPEPER                       FAIRFAX
FAUQUIER                       LOUDOUN
PRINCE WILLIAM
STAFFORD

IN NORTHWEST VIRGINIA

CITY OF WINCHESTER
CLARKE                       FREDERICK
MADISON                       PAGE
RAPPAHANNOCK
SHENANDOAH                       WARREN

IN WESTERN VIRGINIA

AUGUSTA
CITY OF HARRISONBURG
CITY OF STAUNTON
CITY OF WAYNESBORO
HIGHLAND                       ROCKINGHAM

IN WEST VIRGINIA THIS WATCH INCLUDES 8 COUNTIES

IN EASTERN WEST VIRGINIA

GRANT                       HAMPSHIRE
HARDY                       MINERAL
PENDLETON

IN PANHANDLE WEST VIRGINIA

BERKELEY                       JEFFERSON
MORGAN

THIS INCLUDES THE CITIES OF ABERDEEN, ABINGDON, ADAMS MORGAN,
ADEN, AIRLIE, ALBIN, ALEXANDRIA, ALONZAVILLE, ALSOP, ANDORA,
ANNANDALE, ANNAPOLIS, ANTIOCH, APPLETON, ARCO, ARKENDALE,
ARLINGTON, ARNOLD, BAKERTON, BALLENGER CREEK, BALLSTON,
BALTIMORE, BARCROFT, BARKSDALE, BAY VIEW, BEAN SETTLEMENT,
BENTONVILLE, BERKELEY SPGS, BERRYVILLE, BERRYVILLE, BETHEL,
BETHESDA, BLAKE, BLOOMERY, BOHEMIAS MILLS, BOWIE, BOYDS, BRADY,
BRAKE, BRANDYWINE, BRANTWOOD, BROKENBURG, BROOKFIELD,
BROOMES ISLAND, BUCKEYSTOWN, BUCKTON, BURKE, BURR HILL, BYNUM,
CABINS, CALIFORNIA, CALLAWAY, CARDOVA, CATALPA, CATONSVILLE,
CEDAR GROVE, CEDARVILLE, CHANTILLY, CHARLES TOWN,
CHARLOTTESVILLE, CHERRYDALE, CHESAPEAKE BEACH, CHESTER GAP,
CHRISTIAN, CHURCHVILLE, CLARKSVILLE, CLARY, CLINTON,
CLOVER CREEK, COLLEGE PARK, COLUMBIA, COMPTON, COUNTRYSIDE,
COVE POINT, CULPEPER, CUMBERLAND, DAHLGREN, DALE CITY, DAMERON,
DRUM POINT, DULLES INTERNATIONAL AIRPORT, DUNDALK, DUNKIRK,
EDGEWOOD, ELDERSBURG, ELLERSLIE, ESSEX, EVERONA, FAIRFAX,
FAIRFAX STATION, FAIRVIEW, FALLS CHURCH, FALMOUTH, FELLS POINT,
FISHER, FIVE FORKS, FORDSVILLE, FORT ASHBY, FOUR CORNERS,
FRANKLIN, FREDERICK, FREDERICKSBURG, FRENCHBURG, FRONT ROYAL,
FROSTBURG, GAINESBORO, GAITHERSBURG, GAMBER, GARRISONVILLE,
GATEWOOD, GERMANTOWN, GLEEDSVILLE, GLEN BURNIE, GLEN ECHO,
GLENDIE, GLENMONT, GRANTSVILLE, GREENBELT, GREENFIELD,
HAGERSTOWN, HALFWAY, HAMBURG, HANCOCK, HARFORD FURNACE,
HARRISONBURG, HAWKINSTOWN, HEADSVILLE, HICKORY, HIGHTOWN,
HISTORIC ELLICOTT CITY, HOWELLSVILLE, INDEPENDENT HILL, KEYSER,
KIMBALL, KLINE GAP, LAHORE, LAKE RIDGE, LANDES, LANGLEY,
LEESBURG, LEXINGTON PARK, LIBERTY, LINVILLE, LONG BEACH,
LUCKETTS, LURAY, MADISON MILLS, MADISON RUN, MAGNOLIA, MAGNOLIA,
MANASSAS, MANASSAS PARK, MARTINSBURG, MASONVILLE, MASSAPONAX,
MCCOOLE, MCDOWELL, MCLEAN, MCNEILL, MIDDLEWAY, MILL GAP,
MILLVILLE, MONTCLAIR, MONTEBELLO, MONTEREY, MONTPELIER,
MOOREFIELD, MOUNT CLIFTON, MOUNT HARMONY, MOUNT JACKSON,
MOUNTAIN LAKE PARK, MUSTOE, NASONS, NEW CREEK, OAK FLAT,
OAK GROVE, OAKLAND, ORANGE, OVERTON, PARK HEIGHTS, PARK MILLS,
PARKVILLE, PARTLOW, PAW PAW, PETERSBURG, PINEY POINT, POINTS,
POST OAK, PURGITSVILLE, RANDALLSTOWN, RANSON, RAPIDAN, RAWLINGS,
REAGAN NATIONAL AIRPORT, RESTON, REVA, RIDGE, RIDGEVILLE,
RIDGEWAY, RILEYVILLE, RIVERCREST, RIVERTON, ROLLINS FORK, ROMNEY,
ROSSLYN, RUDDLE, RUSSELLDALE, SEVERN, SEVERNA PARK, SEYMOURVILLE,
SHADY GROVE, SHADY GROVE, SHENANDOAH JUNCTION, SHILOH,
SILVER SPRING, SIMPSONVILLE, SKYLAND, SMITH CROSSROADS,
SOTTERLEY, SOUTH GATE, SPOTSYLVANIA COURT, SPOTTSWOOD,
SPRINGFIELD, ST. CHARLES, STAUNTON, STERLING PARK, STEVENSBURG,
STRASBURG, STRINGTOWN, STUARTS DRAFT, SUGAR GROVE,
SUITLAND-SILVER HILL, TANTALLON, THREE CHURCHES, TOWSON,
TURNBULL, TWYMANS MILL, UNIONVILLE, WALDORF, WAPOCOMO, WARRENTON,
WASHINGTON, WAYNESBORO, WELTON, WESTMINSTER, WIDEWATER,
WINCHESTER, WINSTON, WOODBRIDGE, WOODLAWN, WOODSTOCK,
AND WOODSTOCK.

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