Alert archive / Maryland / Flash Flood Warnings in 2026

Flash Flood Warning 46, NWS Philadelphia/Mount Holly

July 18, 2026Kent County, Queen Anne's County, Maryland

NWS Philadelphia/Mount Holly issued this flash flood warning at Jul 18, 2026, 6:09 AM EDT for Kent County, Queen Anne's County, Maryland. It was in force for 55 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 18, 2026, 6:09 AM EDT (10:09 UTC)
Expired
Jul 18, 2026, 7:04 AM EDT
In force
55 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Flood severity
None

Counties Kent County, MD, Queen Anne's County, MD

The radar

The Dover AFB radar (KDOX), 79 km from the middle of the area, began a volume at 10:09 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.

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 00:00Z, 10.2 hours before the alert went out and 107 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 00:00Z on 2026-07-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 16 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 00:00Z on 2026-07-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 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
16 J/kg
Mixed-layer CIN
-327 J/kg
Mixed-layer LCL
1647 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
108 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

189 
WGUS51 KPHI 181009
FFWPHI
MDC029-035-181415-
/O.NEW.KPHI.FF.W.0046.260718T1009Z-260718T1415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mount Holly NJ
609 AM EDT Sat Jul 18 2026

The National Weather Service in Mount Holly has issued a

* Flash Flood Warning for...
  West Central Kent County in northeastern Maryland...
  North Central Queen Anne's County in northeastern Maryland...

* Until 1015 AM EDT.

* At 609 AM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 2 and 3 inches of rain 
  have fallen. The expected rainfall rate is 2 to 3 inches in 1 
  hour. Additional rainfall amounts of 1 to 2 inches are possible in 
  the warned area. Flash flooding is ongoing or expected to begin 
  shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar.

  IMPACT...Flooding of small creeks and streams, urban areas,
           highways, streets, and underpasses as well as other
           drainage and low lying areas.

* Some locations that may experience flash flooding include...
  Chestertown, Rock Hall, Langford, Old Town, Morgnec, Kennedyville 
  and Kingstown.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around...don't drown when encountering flooded roads. Most 
flood deaths occur in vehicles.

&&

LAT...LON 3920 7625 3922 7624 3924 7623 3926 7622
      3927 7621 3927 7620 3928 7620 3928 7619
      3931 7599 3915 7601 3913 7625 3914 7627
      3915 7627 3914 7628 3917 7627

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...2-3 INCHES IN 1 HOUR

$$

RCM
1 follow-up statement
043 
WGUS71 KPHI 181104
FFSPHI

Flash Flood Statement
National Weather Service Mount Holly NJ
704 AM EDT Sat Jul 18 2026

MDC029-035-181114-
/O.CAN.KPHI.FF.W.0046.000000T0000Z-260718T1415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Kent MD-Queen Anne's MD-
704 AM EDT Sat Jul 18 2026

...FLASH FLOOD WARNING IS CANCELLED FOR WEST CENTRAL KENT AND NORTH 
CENTRAL QUEEN ANNE'S COUNTIES...

Flood waters have receded. The heavy rain has ended. Flooding is no 
longer expected to pose a threat. Please continue to heed remaining 
road closures.

&&

LAT...LON 3920 7625 3922 7624 3924 7623 3926 7622
      3927 7621 3927 7620 3928 7620 3928 7619
      3931 7599 3915 7601 3913 7625 3914 7627
      3915 7627 3914 7628 3917 7627

$$

RCM

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 18, 2:12 AM EDTHeat AdvisoryPHICaroline, Queen Anne's, Talbot17 hr
Jul 18, 5:39 AM EDTFlash Flood WarningPHICaroline, Queen Anne's, Talbot62 min
Jul 18, 4:13 PM EDTSevere Thunderstorm WarningPHIKent, Queen Anne's62 min
Jul 18, 5:05 PM EDTSevere Thunderstorm WarningPHICaroline, Talbot40 min
Jul 18, 5:14 PM EDTSevere Thunderstorm WarningPHICaroline, Kent, Queen Anne's, Talbot61 min
Jul 18, 5:26 PM EDTSevere Thunderstorm Warning Destructive damage threatPHICaroline, Queen Anne's, Talbot49 min
Jul 18, 5:53 PM EDTSevere Thunderstorm Warning Considerable damage threatPHICaroline, Queen Anne's, Talbot52 min
Jul 18, 6:24 PM EDTSevere Thunderstorm WarningPHICaroline, Talbot20 min
Jul 18, 6:25 PM EDTFlash Flood WarningPHICaroline, Talbot4 hr
Jul 18, 6:27 PM EDTTornado WarningPHICaroline33 min
Jul 18, 6:40 PM EDTSevere Thunderstorm Warning Considerable damage threatPHICaroline36 min

Nearby

Flash Flood Warnings in Maryland, 2026Every flash flood 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.