Watches, Warnings & Advisories



4 products issued by NWS for: Chillum MD

Flood Warning

Flood Warning
National Weather Service Baltimore MD/Washington DC
836 PM EDT Mon Jul 14 2025

MDC003-027-033-150145-
/O.NEW.KLWX.FA.W.0083.250715T0036Z-250715T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Anne Arundel MD-Howard MD-Prince Georges MD-
836 PM EDT Mon Jul 14 2025

...FLOOD WARNING IN EFFECT UNTIL 945 PM EDT THIS EVENING...
...REPLACES FLASH FLOOD WARNING...

* WHAT...Urban area and small stream flooding caused by excessive
  rainfall is occurring.

* WHERE...A portion of central Maryland, including the following
  counties, Anne Arundel, Howard and Prince Georges.

* WHEN...Until 945 PM EDT.

* IMPACTS...Numerous roads remain closed due to flooding. It will
  take several hours for all the water from these storms to work
  through local drainage systems in urban areas.

* ADDITIONAL DETAILS...
  - At 836 PM EDT, local law enforcement reported flooding in the
    warned area.  Between 2.5 and 3 inches of rain have fallen.
  - Flooding impacts will continue, but no additional rainfall is
    expected.
  - Some locations that will experience flooding include...
    Columbia...                        Severn...
    Elkridge...                        Laurel...
    Fort Meade...                      Savage-guilford...
    South Gate...                      Scaggsville...
    Ilchester...                       Burtonsville...
    Jessup...                          Savage...
    Georgetown...                      Harmans...
    Montpelier...
  - Please visit www.weather.gov/safety/flood for flood safety
    and preparedness information

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.

&&

LAT...LON 3922 7676 3919 7674 3918 7673 3918 7672
      3915 7665 3905 7685 3910 7687 3912 7689
      3913 7689


$$

CJL




Flood Warning

Flood Warning
National Weather Service Baltimore MD/Washington DC
831 PM EDT Mon Jul 14 2025

MDC031-033-150200-
/O.NEW.KLWX.FA.W.0082.250715T0031Z-250715T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Montgomery MD-Prince Georges MD-
831 PM EDT Mon Jul 14 2025

...FLOOD WARNING IN EFFECT UNTIL 10 PM EDT THIS EVENING...
...REPLACES FLASH FLOOD WARNING...

* WHAT...Urban area and small stream flooding caused by excessive
  rainfall is occurring.

* WHERE...A portion of central Maryland, including the following
  counties, Montgomery and Prince Georges.

* WHEN...Until 1000 PM EDT.

* IMPACTS...Numerous roads remain closed due to flooding. It will
  take several hours for all the water from these storms to work
  through local drainage systems in urban areas.

* ADDITIONAL DETAILS...
  - At 831 PM EDT, emergency management reported flooding in the
    warned area.  Between 2 and 3 inches of rain have fallen.
  - Flooding impacts will continue, but no additional rainfall is
    expected.
  - Some locations that will experience flooding include...
    Rockville...                       Bethesda...
    Olney...                           College Park...
    Langley Park...                    Beltsville...
    Aspen Hill...                      North Bethesda...
    Laurel...                          Fairland...
    White Oak...                       Redland...
    Takoma Park...                     Adelphi...
    Colesville...                      Kemp Mill...
    Chevy Chase...                     North Kensington...
    South Kensington...                Forest Glen...
  - Please visit www.weather.gov/safety/flood for flood safety
    and preparedness information

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.

&&

LAT...LON 3899 7704 3899 7705 3899 7709 3900 7710
      3906 7713 3910 7713 3915 7708 3914 7696
      3913 7696 3913 7695 3913 7692 3912 7689
      3910 7687 3905 7685 3904 7686 3899 7696
      3899 7703


$$

CJL




Flood Watch

Flood Watch
National Weather Service Baltimore MD/Washington DC
806 PM EDT Mon Jul 14 2025

MDZ008-013-014-016>018-VAZ036-037-050-055>057-150400-
/O.CON.KLWX.FA.A.0026.000000T0000Z-250715T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cecil-Prince Georges-Anne Arundel-Charles-St. Marys-Calvert-
Nelson-Albemarle-Orange-Stafford-Spotsylvania-King George-
806 PM EDT Mon Jul 14 2025

...FLOOD WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...

* WHAT...Flash flooding caused by excessive rainfall continues to be
  possible.

* WHERE...Portions of Maryland, including the following areas, Anne
  Arundel, Calvert, Cecil, Charles, Prince Georges and St. Marys and
  Virginia, including the following areas, Albemarle, King George,
  Nelson, Orange, Spotsylvania and Stafford.

* WHEN...Until midnight EDT tonight.

* IMPACTS...Excessive runoff may result in flooding of rivers,
  creeks, streams, and other low-lying and flood-prone locations.
  Flooding may occur in poor drainage and urban areas.

* ADDITIONAL DETAILS...
  - Showers and thunderstorms producing heavy rainfall continue
    to move across the area through this evening. Rainfall rates
    up to 2 to 3 inches per hour are likely, that could lead to
    scattered instances of flash flooding. This is most likely in
    areas that see multiple rounds of storms, and that could see
    storm total rain amounts of 4 to 6 inches.
  - Please visit www.weather.gov/safety/flood for flood safety
    and preparedness information

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.

&&

$$

KR




Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Baltimore MD/Washington DC
205 PM EDT Mon Jul 14 2025

ANZ530>543-DCZ001-MDZ008-011-013-014-016>018-504-506-508-
VAZ053>057-527-151815-
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-
205 PM EDT Mon Jul 14 2025

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...This Afternoon and Tonight

A Flood Watch is in effect from 2PM this afternoon through this
evening. Scattered instances of flooding are expected. There is a
potential for more widespread flooding with considerable impact.

A few severe thunderstorms are also possible which may bring
isolated instances of damaging wind gusts.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

Scattered instances of flash flooding are possible Tuesday
afternoon.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$