Alert archive / Maryland / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 252, NWS Baltimore/Washington

July 9, 20264 counties in Maryland

NWS Baltimore/Washington issued this severe thunderstorm warning at Jul 9, 2026, 6:10 PM EDT for 4 counties in Maryland. It was in force for 65 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jul 9, 2026, 6:10 PM EDT (22:10 UTC)
Expired
Jul 9, 2026, 7:15 PM EDT
In force
65 min
Issued by
NWS Baltimore/Washington
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Calvert County, MD, Charles County, MD, Prince George's County, MD, Saint Mary's County, MD

The radar

The Dover AFB radar (KDOX), 105 km from the middle of the area, began a volume at 22:13 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Jul 9, 6:26 PM EDTTSTM WND DMG5 Ene Benedict, MDCalvert County 911 reports tree down onto powerlines on MD 231 in Prince Frederick.
Jul 9, 6:44 PM EDTTSTM WND DMG3 Wnw California, MDLarge tree down near the intersection of White Elm Court and Wildewood Parkway.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched 2 storm reports to this severe thunderstorm warning; the first came 16 minutes after it went out.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 9, 2:30 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 10.2 hours before the alert went out and 97 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Washington/Dulle, VA at 12:00Z on 2026-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1170 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Washington/Dulle, VA at 12:00Z on 2026-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1170 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
543 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
49 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

As transmitted.

789 
WUUS51 KLWX 092210
SVRLWX
MDC009-017-033-037-092315-
/O.NEW.KLWX.SV.W.0252.260709T2210Z-260709T2315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Baltimore MD/Washington DC
610 PM EDT Thu Jul 9 2026

The National Weather Service in Sterling Virginia has issued a

* Severe Thunderstorm Warning for...
  Northern St. Marys County in southern Maryland...
  Southern Calvert County in southern Maryland...
  Southeastern Prince Georges County in central Maryland...
  East central Charles County in southern Maryland...

* Until 715 PM EDT.

* At 609 PM EDT, a severe thunderstorm was located near Golden Beach,
  or near Hallowing Point, 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...
  Lexington Park, Chesapeake Ranch Estates, Prince Frederick, Cuckold
  Creek, Sheridan Point, Calvert Cliffs, Greenwell State Park,
  Hallowing Point, Saint Leonard Creek, Town Creek, Flag Harbor,
  California, Golden Beach, Lusby, Patuxent River Naval Air Station,
  Saint Leonard, Hollywood, Drum Point, Hughesville, and Long Beach.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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.

&&

LAT...LON 3826 7638 3825 7637 3837 7681 3844 7686
      3857 7680 3859 7672 3858 7650 3852 7649
      3839 7637 3839 7636 3832 7640 3830 7636
TIME...MOT...LOC 2209Z 283DEG 21KT 3846 7678 

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

$$

KR
3 follow-up statements
070 
WWUS51 KLWX 092242 RRA
SVSLWX

Severe Weather Statement
National Weather Service Baltimore MD/Washington DC
642 PM EDT Thu Jul 9 2026

MDC017-033-092252-
/O.CAN.KLWX.SV.W.0252.000000T0000Z-260709T2315Z/
Prince Georges MD-Charles MD-
642 PM EDT Thu Jul 9 2026

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN PRINCE GEORGES
AND EAST CENTRAL CHARLES COUNTIES IS CANCELLED...

The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for
southern Maryland.

&&

LAT...LON 3826 7638 3825 7637 3837 7681 3842 7670
      3852 7660 3858 7661 3858 7650 3852 7649
      3839 7636 3832 7640 3830 7636
TIME...MOT...LOC 2242Z 283DEG 21KT 3842 7654 

$$

MDC009-037-092315-
/O.CON.KLWX.SV.W.0252.000000T0000Z-260709T2315Z/
St. Marys MD-Calvert MD-
642 PM EDT Thu Jul 9 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM EDT
FOR CENTRAL ST. MARYS AND SOUTHERN CALVERT COUNTIES...

At 642 PM EDT, a severe thunderstorm was located over Saint Leonard
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...
Lexington Park, Chesapeake Ranch Estates, Prince Frederick, Cuckold
Creek, Sheridan Point, Calvert Cliffs, Greenwell State Park, Saint
Leonard Creek, Town Creek, Flag Harbor, California, Lusby, Patuxent
River Naval Air Station, Saint Leonard, Hollywood, Drum Point, Long
Beach, Calvert Beach, Port Republic, and Chaptico.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3826 7638 3825 7637 3837 7681 3842 7670
      3852 7660 3858 7661 3858 7650 3852 7649
      3839 7636 3832 7640 3830 7636
TIME...MOT...LOC 2242Z 283DEG 21KT 3842 7654 

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

$$

KR
970 
WWUS51 KLWX 092249
SVSLWX

Severe Weather Statement
National Weather Service Baltimore MD/Washington DC
649 PM EDT Thu Jul 9 2026

MDC009-037-092315-
/O.CON.KLWX.SV.W.0252.000000T0000Z-260709T2315Z/
St. Marys MD-Calvert MD-
649 PM EDT Thu Jul 9 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM EDT
FOR CENTRAL ST. MARYS AND SOUTHEASTERN CALVERT COUNTIES...

At 649 PM EDT, a severe thunderstorm was located over Cuckold Creek,
moving southeast 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...
Lexington Park, Chesapeake Ranch Estates, Greenwell State Park, Saint
Leonard Creek, Cuckold Creek, Town Creek, Calvert Cliffs, California,
Lusby, Patuxent River Naval Air Station, Hollywood, Drum Point,
Dowell, Hillville, Sotterley, and Tintop Hill.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3826 7638 3825 7637 3834 7670 3841 7662
      3843 7655 3844 7643 3839 7636 3832 7640
      3830 7636
TIME...MOT...LOC 2249Z 302DEG 22KT 3835 7650 

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

$$

KR
510 
WWUS51 KLWX 092310
SVSLWX

Severe Weather Statement
National Weather Service Baltimore MD/Washington DC
710 PM EDT Thu Jul 9 2026

MDC009-037-092320-
/O.EXP.KLWX.SV.W.0252.000000T0000Z-260709T2315Z/
St. Marys MD-Calvert MD-
710 PM EDT Thu Jul 9 2026

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL ST. MARYS AND
SOUTHEASTERN CALVERT COUNTIES WILL EXPIRE AT 715 PM EDT...

The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.  However, gusty
winds and heavy rain are still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for
southern Maryland.

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

&&

LAT...LON 3826 7638 3825 7637 3834 7670 3841 7662
      3843 7655 3844 7643 3839 7636 3832 7640
      3830 7636
TIME...MOT...LOC 2310Z 283DEG 21KT 3832 7635 

$$

KR

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Baltimore/Washington wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 9, 3:31 PM EDT, 2 hours 39 minutes earlier. Its key messages:

  • 1) Thunderstorms, some of which may produce damaging winds and heavy rain, are possible through Friday.
  • 2) Cooler & drier conditions at the start of next week, followed by an increase in heat & humidity midweek.
Area forecast discussion, Jul 9, 3:31 PM EDT, 2 hours 39 minutes before
Area Forecast Discussion
National Weather Service Baltimore MD/Washington DC
331 PM EDT Thu Jul 9 2026

.WHAT HAS CHANGED...
Severe Thunderstorm Watch Number 474 has been issued for most of
the area until 10 PM, although storms are likely to exit the
area sooner than that. Flood Watch was expanded westward to
include all of northern Maryland and portions of eastern West
Virginia. A Coastal Flood Advisory has been issued for Anne
Arundel County from 11 PM tonight through 5 AM Friday.

&&

.KEY MESSAGES...
- 1) Thunderstorms, some of which may produce damaging winds and
  heavy rain, are possible through Friday.

- 2) Cooler & drier conditions at the start of next week,
  followed by an increase in heat & humidity midweek.

&&

.DISCUSSION...
KEY MESSAGE 1...Thunderstorms, some of which may produce
damaging winds and heavy rain, are possible through Friday.

Thunderstorms will continue to increase in coverage and
intensity as they move east into a higher instability axis.
Locally damaging winds, isolated flash flooding, and frequent
lightning are the main threats. Activity should move east of the
Chesapeake Bay by 8 PM, if not sooner. It should remain quiet
overnight with patchy fog, especially in areas that saw rain
this afternoon.

Some degree of convective threat likely continues into Friday
given ample moisture in the atmosphere. However, a primarily
westerly flow often is known to negate the development of more
organized thunderstorm activity. Friday does mark the warmest
day of the remainder of the week with highs in the upper 80s to
low 90s. Depending on how much rainfall occurs during the
previous day, some level of flash flood risk may take place
again on Friday afternoon/evening, particularly south of I-66.

KEY MESSAGE 2...Cooler & drier conditions at the start of next
week, followed by an increase in heat & humidity midweek.

Broad upper-level ridging will continue to build over the Desert
Southwest and Rockies on Monday, allowing for continued high
pressure to settle over the area on Monday. Temperatures continue to
stay in the low-to-mid 80s at the start of the work week before
steadily rising into midweek as heights continue to build.
Temperatures could return to the 90s by Wednesday, with humidity
increasing somewhat as dewpoints go from the lower to upper 60s &
low 70s as temperatures rise.

To the north, a deep upper-level trough begins to form over eastern
Canada Thursday going into Friday. This could introduce
opportunities for showers & thunderstorms towards the end of the
week as this system continues to track eastward. While probability
outlooks could still change significantly being 7 days out, early ML
& AI outlooks have currently identified a 15%-30% probability for
severe weather occurrence associated with this system. As
details on this system become more defined, will have to
continue to monitor synoptic fluctuations in model guidance to help
identify any hazards associated with this system in the coming
days.

&&

.AVIATION /19Z THURSDAY THROUGH TUESDAY/...
Numerous to widespread showers and thunderstorms are expected
through 7 PM. Have maintained a TEMPO group in the 3 to 7 PM
timeframe with lesser chances for Charlottesville. Restrictions
are likely as these storms roll through, some of which could be
severe in nature. In the wake of these storms, initial
southerly winds turn more southwest to westerly tonight. Low
ceilings are again possible, particularly in areas which saw
heavier rainfall. Westerly winds on Friday may offset some of
the convective threat on Friday. However, some afternoon to
evening restrictions will again be possible.

A cold front moves through on Saturday which yields a shift to
northwesterly winds. These eventually turn more easterly on
Sunday into Monday as the boundary slides farther to the south.
Despite some weekend shower chances, mainly VFR conditions are
expected.

VFR conditions are anticipated across terminals between Monday and
Tuesday. Light easterly winds shift southwesterly Tuesday.

&&

.MARINE...
With summertime gradients in place, any potential for Small
Craft Advisories appears low through the weekend and into early
next week. Any hazardous conditions over the waterways will
again be tied to thunderstorms, lightning, and any gust
fronts/outflows. Special Marine Warnings may be needed for this
afternoon and evening as strong convection pushes eastward to
the I-95 metro areas. While westerly winds should offset some
of Friday's convective threat, some storms could impact the
waters during the core heating hours.

Winds remain below SCA thresholds Monday and Tuesday. Easterly winds
between 5-10 knots shift south to southwest on Tuesday.

&&

.TIDES/COASTAL FLOODING...
Anomalies are around 1 to 1.25 feet will continue through
tonight as winds remain southerly. This will likely result in
near minor flooding of vulnerable shoreline through the end of
the week. Annapolis is most likely to reach the minor flood
threshold, and a Coastal Flood Advisory has been issued for
tonight's high tide. A gradual decline in water levels is
expected this weekend.

&&

.LWX WATCHES/WARNINGS/ADVISORIES...
DC...Flood Watch until 11 PM EDT this evening for DCZ001.
MD...Flood Watch until 11 PM EDT this evening for MDZ004>006-008-
     011-013-014-503>508.
     Flood Watch until 7 PM EDT this evening for MDZ003-501-502-509-
     510.
     Coastal Flood Advisory from 11 PM this evening to 5 AM EDT
     Friday for MDZ014.
VA...Flood Watch until 11 PM EDT this evening for VAZ027-029>031-
     040-053-054-501-505>507-526-527.
     Flood Watch until 7 PM EDT this evening for VAZ028.
WV...Flood Watch until 7 PM EDT this evening for WVZ050>053-055-
     501>504.
MARINE...Flood Watch until 11 PM EDT this evening for ANZ530.

&&

DISCUSSION...LFR/BRO/SRT
AVIATION...LFR/BRO/SRT
MARINE...LFR/BRO/SRT
Hazardous weather outlook, Jul 9, 6:04 PM EDT, 6 minutes before
Hazardous Weather Outlook
National Weather Service Baltimore MD/Washington DC
604 PM EDT Thu Jul 9 2026

ANZ530>543-DCZ001-MDZ008-011-013-014-016>018-504-506-508-
VAZ053>057-527-102215-
Chesapeake Bay north of Pooles Island MD-
Chesapeake Bay from Pooles Island to Sandy Point MD-
Chesapeake Bay from Sandy Point to North Beach MD-
Chesapeake Bay from North Beach to Drum Point MD-
Chesapeake Bay from Drum Point MD to Smith Point VA-
Tidal Potomac from Key Bridge to Indian Head MD-
Tidal Potomac from Indian Head to Cobb Island MD-
Tidal Potomac from Cobb Island MD to Smith Point VA-
Patapsco River including Baltimore Harbor-
Chester River to Queenstown MD-Eastern Bay-
Choptank River to Cambridge MD and the Little Choptank River-
Patuxent River to Broomes Island MD-
Tangier Sound and the inland waters surrounding Bloodsworth
Island-District of Columbia-Cecil-Southern Baltimore-
Prince Georges-Anne Arundel-Charles-St. Marys-Calvert-
Central and Southeast Montgomery-Central and Southeast Howard-
Southeast Harford-Fairfax-Arlington/Falls Church/Alexandria-
Stafford-Spotsylvania-King George-
Central and Southeast Prince William/Manassas/Manassas Park-
604 PM EDT Thu Jul 9 2026

This Hazardous Weather Outlook is for the Maryland portion of the
Chesapeake Bay, Tidal Potomac River, and I-95 corridor through
central Maryland, northern Virginia, and District of Columbia.

.DAY ONE...Tonight

Flood Watches have been issued for the threat of flash flooding
from until 11 PM. This covers the I-95 corridor across Baltimore
and Washington, D.C., down to Prince William County.

Severe Thunderstorm Watch Number 474 has been issued for the
entire I-95 corridor until 10 PM tonight from northeast Maryland
to Spotsylvania County.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Skywarn Spotter network has been activated.

MDZ003>006-503-505-507-VAZ025>031-036>040-050-051-501-502-505>508-
526-WVZ050>053-055-102215-
Washington-Frederick-Carroll-Northern Baltimore-
Northwest Montgomery-Northwest Howard-Northwest Harford-Augusta-
Rockingham-Shenandoah-Page-Warren-Clarke-Nelson-Albemarle-Greene-
Madison-Rappahannock-Orange-Culpeper-Northern Fauquier-
Southern Fauquier-Western Loudoun-Eastern Loudoun-
Northern Virginia Blue Ridge-Central Virginia Blue Ridge-
Northwest Prince William-Hampshire-Morgan-Berkeley-Jefferson-
Hardy-
604 PM EDT Thu Jul 9 2026

This Hazardous Weather Outlook is for portions of eastern West
Virginia, northern and central Virginia, and central and western
Maryland.

.DAY ONE...Tonight

Flood Watches have been issued for the threat of flash flooding
until 11 PM for portions of north central and northeast Maryland.

A Severe Thunderstorm Watch remains in effect until 10 PM for
portions of north central and northeast Maryland.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Skywarn Spotter network has been activated.

MDZ501-502-509-510-VAZ503-504-WVZ501>506-102215-
Extreme Western Allegany-Central and Eastern Allegany-
Western Garrett-Eastern Garrett-Western Highland-Eastern Highland-
Western Grant-Eastern Grant-Western Mineral-Eastern Mineral-
Western Pendleton-Eastern Pendleton-
604 PM EDT Thu Jul 9 2026

This Hazardous Weather Outlook is for the Allegheny Front
counties in western Maryland, eastern West Virginia, and Highland
County Virginia.

.DAY ONE...Tonight

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Skywarn Spotter network has been activated.

In the hours before

Special weather statement, Jul 9, 3:40 PM EDT, 2 hours 30 minutes before
Special Weather Statement
National Weather Service Baltimore MD/Washington DC
340 PM EDT Thu Jul 9 2026

DCZ001-MDZ013-504-092015-
District of Columbia DC-Central and Southeast Montgomery MD-
Prince Georges MD-
340 PM EDT Thu Jul 9 2026

...A STRONG THUNDERSTORM WILL IMPACT THE NORTHWESTERN DISTRICT OF
COLUMBIA...SOUTHEASTERN MONTGOMERY AND NORTHWESTERN PRINCE GEORGES
COUNTIES THROUGH 415 PM EDT...

At 340 PM EDT, Doppler radar was tracking a strong thunderstorm over
Forest Glen, or near Langley Park, moving east at 10 mph.

HAZARD...Wind gusts up to 50 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Rockville, Bethesda, College Park, Greenbelt, Langley Park,
Beltsville, Bladensburg, University of Maryland, Fort Totten, Aspen
Hill, Potomac, North Bethesda, Laurel, Fairland, Hyattsville, White
Oak, Takoma Park, East Riverdale, Adelphi, and Colesville.

This includes the following highways...
 Interstate 95 in Maryland between mile markers 24 and 32.
 Interstate 270 in Maryland between mile markers 1 and 3.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

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

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for
District of Columbia...and central Maryland.

&&

LAT...LON 3911 7687 3894 7692 3895 7713 3897 7715
      3897 7718 3906 7715 3910 7707
TIME...MOT...LOC 1940Z 270DEG 10KT 3903 7705

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH

KR
Local storm report, Jul 9, 3:55 PM EDT, 2 hours 15 minutes before
Preliminary Local Storm Report
National Weather Service Baltimore MD/Washington DC
355 PM EDT Thu Jul 09 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0201 PM     Tstm Wnd Dmg     4 SE Frederick          39.40N  77.36W
07/09/2026                   Frederick          MD   911 Call Center

            Tree down near Pinecliff Drive and Old National Pike
            due to thunderstorms. Time estimated via radar.

&&

Event Number LWX2607321

SRT
Local storm report, Jul 9, 3:59 PM EDT, 2 hours 11 minutes before
Preliminary Local Storm Report
National Weather Service Baltimore MD/Washington DC
359 PM EDT Thu Jul 09 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0210 PM     Flash Flood      Frederick               39.43N  77.42W
07/09/2026                   Frederick          MD   911 Call Center

            Car stranded in estimated 2.5 feet of water along
            English Muffin Way. Water was reported to be up to car
            windows. Time estimated via radar.

&&

Event Number LWX2607322

SRT

The office that day

Everything else NWS Baltimore/Washington issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 9, 4:10 AM EDTFlood WatchLWXAllegany, Anne Arundel, Baltimore, Carroll, Cecil, Frederick and 7 more16 hr
Jul 9, 4:14 AM EDTCoastal Flood AdvisoryLWXHarford3 hr
Jul 9, 8:41 AM EDTSpecial Weather StatementLWXGarrett49 min
Jul 9, 1:51 PM EDTSevere Thunderstorm WarningLWXFrederick, Montgomery39 min
Jul 9, 2:04 PM EDTFlash Flood WarningLWXFrederick82 min
Jul 9, 2:13 PM EDTSevere Thunderstorm WarningLWXCarroll, Frederick, Howard, Montgomery32 min
Jul 9, 2:44 PM EDTSevere Thunderstorm WarningLWXMontgomery31 min
Jul 9, 2:55 PM EDTCoastal Flood AdvisoryLWXAnne Arundel14 hr
Jul 9, 3:26 PM EDTAreal Flood WarningLWXFrederick94 min
Jul 9, 4:17 PM EDTFlash Flood WarningLWXBaltimore, City of Baltimore3 hr
Jul 9, 5:12 PM EDTSevere Thunderstorm WarningLWXCharles33 min
Jul 9, 6:13 PM EDTTornado Warning Tornado observedLWXCharles, Saint Mary's17 min
Jul 9, 6:24 PM EDTSevere Thunderstorm WarningLWXCalvert, Prince George's24 min
Jul 9, 6:56 PM EDTAreal Flood WarningLWXBaltimore, City of Baltimore64 min

Nearby

Severe Thunderstorm Warnings in Maryland, 2026Every severe thunderstorm warning in 2026

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.