Alert archive / Maryland / Flash Flood Warnings in 2014
Flash Flood Warning 48, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Aug 12, 2014, 5:59 PM EDT for Kent County, Queen Anne's County, Talbot County, Maryland. It was in force for 7 hr. 6 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
- Aug 12, 2014, 5:59 PM EDT (21:59 UTC)
- Expired
- Aug 13, 2014, 12:42 AM EDT
- In force
- 7 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 radar
The Dover AFB radar (KDOX), 63 km from the middle of the area, began a volume at 21:59 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 12, 7:15 PM EDT | HEAVY RAIN 3.45 | Centreville Landing, MD | |
| Aug 12, 7:30 PM EDT | FLASH FLOOD | 1 Sse Rock Hall, MD | NUMEROUS ROADS CLOSED DUE TO FLOODING IN ROCK HALL |
| Aug 12, 7:30 PM EDT | FLASH FLOOD | Chestertown, MD | NUMEROUS ROADS CLOSED IN CHESTERTOWN |
| Aug 12, 8:45 PM EDT | FLASH FLOOD | Grasonville, MD | 6 ONGOING WATER RESCUES REPORTED IN GRASONVILLE. SEVERAL HOMES REPORTED DAMAGE FROM FLOODING. |
| Aug 12, 8:45 PM EDT | FLASH FLOOD | Queenstown, MD | TWO ONGOING WATER RESCUES REPORTED IN QUEENSTOWN |
| Aug 12, 9:30 PM EDT | HEAVY RAIN 6.06 | Centreville Landing, MD |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 10.0 hours before the alert went out and 57 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
- 109 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 764 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 87 m²/s²
- 0-3 km storm-relative helicity
- 156 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
312
WGUS51 KPHI 122159
FFWPHI
MDC029-035-041-130200-
/O.NEW.KPHI.FF.W.0048.140812T2159Z-140813T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
559 PM EDT TUE AUG 12 2014
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHERN TALBOT COUNTY IN EASTERN MARYLAND...
KENT COUNTY IN NORTHEAST MARYLAND...
QUEEN ANNE'S COUNTY IN NORTHEAST MARYLAND...
THIS INCLUDES THE CITY OF CENTERVILLE...
* UNTIL 1000 PM EDT
* AT 554 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
HEAVY RAIN OVER THE WARNED AREA. ADDITIONAL VERY HEAVY RAINFALL
WAS CROSSING CHESAPEAKE BAY AND MOVING NORTHEASTWARD.
DOPPLER RADAR ESTIMATED PORTIONS OF QUEEN ANNE'S COUNTY HAS
RECEIVED BETWEEN 2.5 AND 3 INCHES OF RAIN. ADDITIONAL AMOUNTS OF 2
INCHES ARE POSSIBLE WITH LOCALLY HIGHER AMOUNTS.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
MILLINGTON...GRASONVILLE...SUDLERSVILLE...CHURCH HILL...
CHESTERTOWN...CENTREVILLE...WYE MILLS...STARKEY CORNER...STARR...
SKIPTON...ROCK HALL...QUEEN ANNE...OVERTON...OLD TOWN...NEWTOWN...
MORGNEC...MASSEY...LANGFORD...KENNEDYVILLE...HOPE...CRUMPTON...
CORDOVA...CHESTER AND CARVILLE
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.
&&
LAT...LON 3887 7626 3881 7621 3882 7620 3894 7624
3890 7624 3893 7628 3885 7634 3885 7635
3900 7629 3900 7618 3903 7625 3911 7625
3934 7617 3933 7576 3914 7575 3910 7584
3895 7595 3880 7592 3877 7597 3876 7638
$$4 follow-up statements
457
WGUS71 KPHI 130017
FFSPHI
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
817 PM EDT TUE AUG 12 2014
MDC029-035-041-130200-
/O.CON.KPHI.FF.W.0048.000000T0000Z-140813T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
KENT MD-QUEEN ANNE'S MD-TALBOT MD-
817 PM EDT TUE AUG 12 2014
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1000 PM EDT FOR
NORTHERN TALBOT...QUEEN ANNE'S AND KENT COUNTIES...
AT 813 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE AREAS OF HEAVY RAIN ACROSS PORTIONS OF KENT AND QUEEN
ANNE'S COUNTY. ADDITIONALLY THERE HAVE BEEN NUMEROUS REPORTS OF
FLOODING ACROSS BOTH COUNTIES.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MILLINGTON...
SUDLERSVILLE...CHURCH HILL...CHESTERTOWN...CENTREVILLE...
CENTERVILLE...STARKEY CORNER...STARR...OVERTON...OLD TOWN...
NEWTOWN...MORGNEC...MASSEY...LANGFORD...KENNEDYVILLE...HOPE...
CRUMPTON...CHESTER AND CARVILLE
LAT...LON 3887 7626 3881 7621 3882 7620 3894 7624
3890 7624 3893 7628 3885 7634 3885 7635
3900 7629 3900 7618 3903 7625 3911 7625
3934 7617 3933 7576 3914 7575 3910 7584
3895 7595 3880 7592 3877 7597 3876 7638
$$502
WGUS71 KPHI 130103
FFSPHI
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
903 PM EDT TUE AUG 12 2014
MDC041-130113-
/O.CAN.KPHI.FF.W.0048.000000T0000Z-140813T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
TALBOT MD-
903 PM EDT TUE AUG 12 2014
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR NORTHERN TALBOT
COUNTY...
LAT...LON 3900 7629 3898 7621 3900 7618 3903 7625
3911 7625 3934 7617 3933 7576 3914 7575
3911 7583 3895 7595 3892 7599 3894 7610
3888 7610 3885 7620 3892 7622 3894 7624
3890 7624 3893 7628 3885 7634
$$
MDC029-035-130200-
/O.CON.KPHI.FF.W.0048.000000T0000Z-140813T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
KENT MD-QUEEN ANNE'S MD-
903 PM EDT TUE AUG 12 2014
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1000 PM EDT FOR
QUEEN ANNE'S AND KENT COUNTIES...
AT 858 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A THUNDERSTORM PRODUCING FLASH FLOODING OVER THE WARNED
AREA.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MILLINGTON...
SUDLERSVILLE...CHURCH HILL...CHESTERTOWN...CENTREVILLE...
CENTERVILLE...STARKEY CORNER...STARR...OVERTON...OLD TOWN...
NEWTOWN...MORGNEC...MASSEY...LANGFORD...KENNEDYVILLE...HOPE...
CRUMPTON...CHESTER AND CARVILLE
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.
&&
LAT...LON 3900 7629 3898 7621 3900 7618 3903 7625
3911 7625 3934 7617 3933 7576 3914 7575
3911 7583 3895 7595 3892 7599 3894 7610
3888 7610 3885 7620 3892 7622 3894 7624
3890 7624 3893 7628 3885 7634
$$283
WGUS51 KPHI 130107
FFWPHI
MDC029-035-130600-
/O.EXT.KPHI.FF.W.0048.000000T0000Z-140813T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
907 PM EDT TUE AUG 12 2014
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS EXTENDED THE
* FLASH FLOOD WARNING FOR...
KENT COUNTY IN NORTHEAST MARYLAND...
QUEEN ANNE'S COUNTY IN NORTHEAST MARYLAND...
THIS INCLUDES THE CITY OF CENTERVILLE...
* UNTIL 200 AM EDT
* AT 903 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
VERY HEAVY RAIN WAS OCCURRING ACROSS PORTIONS OF QUEEN ANNE'S
COUNTY. ADDITIONALLY, NUMEROUS REPORTS OF FLASH FLOODING WERE
RECEIVED IN BOTH KENT AND QUEEN ANNE'S COUNTY AND THERE WERE
REPORTS OF WATER RESCUES IN GRASONVILLE AND QUEENSTOWN IN QUEEN
ANNE'S COUNTY.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
MILLINGTON...SUDLERSVILLE...CHURCH HILL...CHESTERTOWN...
CENTREVILLE...STARKEY CORNER...OVERTON...OLD TOWN...NEWTOWN...
MORGNEC...MASSEY...LANGFORD...KENNEDYVILLE...HOPE...CRUMPTON AND
CARVILLE
PRECAUTIONARY/PREPAREDNESS ACTIONS...
ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN
PORTIONS OF THE WARNED AREA.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.
&&
LAT...LON 3900 7629 3898 7621 3900 7618 3903 7625
3911 7625 3934 7617 3933 7576 3914 7575
3911 7583 3895 7595 3892 7599 3894 7610
3888 7610 3885 7620 3892 7622 3894 7624
3890 7624 3893 7628 3885 7634
$$346
WGUS71 KPHI 130442
FFSPHI
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1242 AM EDT WED AUG 13 2014
MDC029-035-130451-
/O.CAN.KPHI.FF.W.0048.000000T0000Z-140813T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
KENT MD-QUEEN ANNE'S MD-
1242 AM EDT WED AUG 13 2014
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR QUEEN ANNE'S AND
KENT COUNTIES...
THE FLASH FLOOD WARNING HAS BEEN REPLACED BY A FLOOD WARNING.
LAT...LON 3900 7629 3898 7621 3900 7618 3903 7625
3911 7625 3934 7617 3933 7576 3914 7575
3911 7583 3895 7595 3892 7599 3894 7610
3888 7610 3885 7620 3892 7622 3894 7624
3890 7624 3893 7628 3885 7634
$$
JRKThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 12, 3:47 PM EDT | Areal Flood Advisory | PHI | Cecil, Kent | 4 hr |
| Aug 12, 5:29 PM EDT | Areal Flood Advisory | PHI | Queen Anne's, Talbot | 4 hr |
| Aug 12, 7:02 PM EDT | Flash Flood Warning | PHI | Cecil, Kent, Queen Anne's | 4 hr |
Nearby
Flash Flood Warnings in Maryland, 2014Every flash flood warning in 2014
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.