Alert archive / Maryland / Areal Flood Advisories in 2021
Areal Flood Advisory 29, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this areal flood advisory at Jun 10, 2021, 2:16 PM EDT for Caroline County, Kent County, Queen Anne's County, Maryland. It was in force for 3 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 10, 2021, 2:16 PM EDT (18:16 UTC)
- Expired
- Jun 10, 2021, 5:30 PM EDT
- In force
- 3 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Caroline County, MD, Kent County, MD, Queen Anne's County, MD
The radar
The Dover AFB radar (KDOX), 76 km from the middle of the area, began a volume at 18:20 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 12:00Z, 6.3 hours before the alert went out and 117 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.
- Mixed-layer CAPE
- 163 J/kg
- Mixed-layer CIN
- -61 J/kg
- Mixed-layer LCL
- 987 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- -6 m²/s²
- 0-3 km storm-relative helicity
- 6 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
426
WGUS81 KPHI 101816
FLSPHI
Flood Advisory
National Weather Service Mount Holly NJ
216 PM EDT Thu Jun 10 2021
MDC011-029-035-102130-
/O.NEW.KPHI.FA.Y.0029.210610T1816Z-210610T2130Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Caroline MD-Kent MD-Queen Anne's MD-
216 PM EDT Thu Jun 10 2021
The National Weather Service in Mount Holly has issued a
* Flood Advisory for...
Northwestern Caroline County in eastern Maryland...
Northwestern Kent County in northeastern Maryland...
Northeastern Queen Anne's County in northeastern Maryland...
* Until 530 PM EDT.
* At 216 PM EDT, Doppler radar indicated heavy rain due to
thunderstorms. Minor flooding is ongoing or expected to begin
shortly in the advisory area. Between 1.5 and 2.5 inches of rain
have fallen. An additional 1 to 2 inches of rain are possible.
* Some locations that will experience flooding include...
Chestertown, Church Hill, Millington, Sudlersville, Morgnec,
Crumpton, Starkey Corner, Kennedyville, Old Town, Langford,
Newtown, and Barclay.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 3919 7626 3927 7621 3927 7620 3928 7620
3928 7619 3929 7618 3929 7617 3932 7619
3934 7616 3933 7615 3933 7614 3933 7613
3934 7613 3925 7576 3922 7575 3905 7583
$$
JEOThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 10, 12:59 PM EDT | Special Weather Statement | PHI | Caroline | 46 min |
| Jun 10, 1:48 PM EDT | Special Weather Statement | PHI | Kent, Queen Anne's | 57 min |
| Jun 10, 2:00 PM EDT | Special Weather Statement | PHI | Caroline | 45 min |
| Jun 10, 3:14 PM EDT | Special Weather Statement | PHI | Wicomico | 31 min |
Nearby
Areal Flood Advisories in Maryland, 2021Every areal flood advisory in 2021
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.