Alert archive / Maryland / Flash Flood Warnings in 2014

Flash Flood Warning 15, NWS Philadelphia/Mount Holly

June 19, 2014Cecil County, Kent County, Queen Anne's County, Maryland

NWS Philadelphia/Mount Holly issued this flash flood warning at Jun 19, 2014, 1:43 AM EDT for Cecil County, Kent County, Queen Anne's County, Maryland. It was in force for 4 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: Jun 19, 2014, 1:43 AM EDT (05:43 UTC)
Expired: Jun 19, 2014, 5:45 AM EDT
In force: 4 hr
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Flood severity: None

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

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 00:00Z, 5.7 hours before the alert went out and 113 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1758 J/kg
Mixed-layer CIN: -22 J/kg
Mixed-layer LCL: 1858 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 53 m²/s²
0-3 km storm-relative helicity: 91 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 7.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

407 
WGUS51 KPHI 190543
FFWPHI
MDC015-029-035-190945-
/O.NEW.KPHI.FF.W.0015.140619T0543Z-140619T0945Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
143 AM EDT THU JUN 19 2014

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTH CENTRAL CECIL COUNTY IN NORTHEAST MARYLAND...
  KENT COUNTY IN NORTHEAST MARYLAND...
  CENTRAL QUEEN ANNE'S COUNTY IN NORTHEAST MARYLAND...
  THIS INCLUDES THE CITY OF CENTERVILLE...

* UNTIL 545 AM EDT

* AT 140 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THAT UP TO AROUND THREE INCHES OF RAIN HAD ALREADY FALLEN OVER
  PARTS OF THE WARNING AREA. AN ADDITIONAL INCH OR TWO OF RAINFALL
  IS EXPECTED ALONG WITH SOME FLASH FLOODING.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  CHESTERTOWN...CECILTON...BETTERTON...NEWTOWN...MORGNEC...
  MILLINGTON...MASSEY...KENNEDYVILLE AND CRUMPTON

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3905 7631 3903 7625 3906 7624 3917 7629
      3930 7619 3932 7619 3938 7611 3939 7605
      3944 7600 3946 7602 3948 7600 3948 7582
      3912 7581 3903 7588 3902 7624 3904 7629
      3902 7629 3901 7632

$$

IOVINO

1 follow-up statement

045 
WGUS71 KPHI 190749
FFSPHI

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
349 AM EDT THU JUN 19 2014

MDC015-029-035-190757-
/O.CAN.KPHI.FF.W.0015.000000T0000Z-140619T0945Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CECIL MD-KENT MD-QUEEN ANNE'S MD-
349 AM EDT THU JUN 19 2014

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR CENTRAL QUEEN
ANNE'S...KENT AND SOUTH CENTRAL CECIL COUNTIES...

THE HEAVY RAIN HAS MOVED WELL TO THE EAST OF THE REGION AND MUCH OF 
THE STANDING WATER HAS HAD A CHANCE TO DRAIN. AS A RESULT, THE FLASH 
FLOOD WARNING HAS BEEN CANCELLED.

LAT...LON 3905 7631 3903 7625 3906 7624 3917 7629
      3930 7619 3932 7619 3938 7611 3939 7605
      3944 7600 3946 7602 3948 7600 3948 7582
      3912 7581 3903 7588 3902 7624 3904 7629
      3902 7629 3901 7632

$$

IOVINO

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 18, 10:51 PM EDT	Special Weather Statement	PHI	Cecil, Kent, Queen Anne's	84 min
Jun 18, 11:36 PM EDT	Severe Thunderstorm Warning	PHI	Cecil, Kent	54 min
Jun 19, 12:43 AM EDT	Special Weather Statement	PHI	Caroline, Cecil, Kent, Queen Anne's, Talbot	2 hr
Jun 19, 1:30 AM EDT	Areal Flood Advisory	PHI	Cecil, Kent	4 hr
Jun 19, 2:01 AM EDT	Severe Thunderstorm Warning	PHI	Caroline, Queen Anne's, Talbot	59 min
Jun 19, 5:38 PM EDT	Special Weather Statement	PHI	Talbot	52 min

Nearby

Flash Flood Warnings in Maryland, 2014 Every 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; the sounding from the Mesonet's radiosonde archive.