Alert archive / Maryland / Flash Flood Warnings in 2018
Flash Flood Warning 97, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Sep 8, 2018, 3:14 AM EDT for Kent County, Queen Anne's County, Talbot County, Maryland. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Sep 8, 2018, 3:14 AM EDT (07:14 UTC)
- Expired
- Sep 8, 2018, 6:02 AM EDT
- In force
- 3 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
Counties Kent County, MD, Queen Anne's County, MD, Talbot County, MD
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 00:00Z, 7.2 hours before the alert went out and 102 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
- 1088 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 1125 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 2 m²/s²
- 0-3 km storm-relative helicity
- 47 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
809
WGUS51 KPHI 080714
FFWPHI
MDC029-035-041-081115-
/O.NEW.KPHI.FF.W.0097.180908T0714Z-180908T1115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mount Holly NJ
314 AM EDT SAT SEP 8 2018
The National Weather Service in Mount Holly NJ has issued a
* Flash Flood Warning for...
Northern Talbot County in eastern Maryland...
Central Queen Anne's County in northeastern Maryland...
Southwestern Kent County in northeastern Maryland...
* Until 715 AM EDT.
* At 313 AM EDT, Doppler radar indicated heavy rain across the
warned area. Between one and two inches of rain have already
fallen in the last hour. Flash flooding is expected to begin
shortly in the areas of heaviest rain.
* Some locations that could experience flooding include...
Easton, Centerville, Talbot, Centreville, Romancoke, Rock Hall, St.
Michaels, Church Hill, Queen Anne, Old Town, Grasonville, Starr,
Skipton, Copperville, Langford, Matthews, Starkey Corner, Wye
Mills, Cordova and Carville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around...don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, country roads, farmland, and other low lying
spots.
Please report flooding to your local law enforcement agency when you
can do so safely.
A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.
&&
LAT...LON 3901 7620 3918 7627 3920 7599 3880 7594
3878 7632 3885 7627 3881 7620 3883 7619
3886 7626 3886 7621 3896 7625 3891 7624
3890 7625 3894 7627 3884 7637 3885 7638
$$
MPS2 follow-up statements
362
WGUS71 KPHI 080838
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
438 AM EDT SAT SEP 8 2018
MDC029-035-041-081115-
/O.CON.KPHI.FF.W.0097.000000T0000Z-180908T1115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Talbot MD-Queen Anne's MD-Kent MD-
438 AM EDT SAT SEP 8 2018
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 715 AM EDT FOR
NORTHERN TALBOT...CENTRAL QUEEN ANNE'S AND SOUTHWESTERN KENT
COUNTIES...
At 435 AM EDT, Doppler radar indicated heavy rain across the warned
area. Up to two inches of rain have already fallen. Flash flooding
will begin shortly.
Some locations that could experience flooding include...
Easton, Centerville, Talbot, Centreville, Romancoke, Rock Hall, St.
Michaels, Church Hill, Queen Anne, Old Town, Grasonville, Starr,
Skipton, Copperville, Langford, Matthews, Starkey Corner, Wye Mills,
Cordova and Carville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around...don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, country roads, farmland, and other low lying
spots.
Please report flooding to your local law enforcement agency when you
can do so safely.
&&
LAT...LON 3901 7620 3918 7627 3920 7599 3880 7594
3878 7632 3885 7627 3881 7620 3883 7619
3886 7626 3886 7621 3896 7625 3891 7624
3890 7625 3894 7627 3884 7637 3885 7638
$$
MPS638
WGUS71 KPHI 081002
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
602 AM EDT SAT SEP 8 2018
MDC029-035-041-081011-
/O.CAN.KPHI.FF.W.0097.000000T0000Z-180908T1115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Talbot MD-Queen Anne's MD-Kent MD-
602 AM EDT SAT SEP 8 2018
...THE FLASH FLOOD WARNING FOR NORTHERN TALBOT...CENTRAL QUEEN ANNE'S
AND SOUTHWESTERN KENT COUNTIES IS CANCELLED...
The heavy rain has ended. Flash Flooding is no longer expected to
pose a threat. Please continue to heed any remaining road closures,
and refer to the Areal Flood Warning now in effect.
LAT...LON 3901 7620 3918 7627 3920 7599 3880 7594
3878 7632 3885 7627 3881 7620 3883 7619
3886 7626 3886 7621 3896 7625 3891 7624
3890 7625 3894 7627 3884 7637 3885 7638
$$
MPSThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 7, 10:51 PM EDT | Special Weather Statement | PHI | Talbot | 39 min |
| Sep 7, 11:36 PM EDT | Special Weather Statement | PHI | Talbot | 24 min |
| Sep 8, 2:19 AM EDT | Special Weather Statement | PHI | Queen Anne's | 41 min |
| Sep 8, 3:34 AM EDT | Flood Watch | PHI | Cecil | 60 hr |
| Sep 8, 6:01 AM EDT | Areal Flood Warning | PHI | Kent, Queen Anne's, Talbot | 4 hr |
| Sep 8, 8:15 AM EDT | Areal Flood Advisory | PHI | Cecil | 119 min |
Nearby
Flash Flood Warnings in Maryland, 2018Every flash flood warning in 2018
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.