Alert archive / Maryland / Special Weather Statements in 2016

Special Weather Statement, NWS Philadelphia/Mount Holly

April 7, 2016Kent County, Maryland

NWS Philadelphia/Mount Holly issued this special weather statement at Apr 7, 2016, 5:31 PM EDT for Kent County, Maryland. It was in force for 44 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
Apr 7, 2016, 5:31 PM EDT (21:31 UTC)
Expired
Apr 7, 2016, 6:15 PM EDT
In force
44 min
Issued by
NWS Philadelphia/Mount Holly

County Kent County, MD

The radar

The Dover AFB radar (KDOX), 80 km from the middle of the area, began a volume at 21:34 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

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 9.5 hours before the alert went out and 15 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, Phillips Aaf/Abe, MD at 12:00Z on 2016-04-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 32 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, Phillips Aaf/Abe, MD at 12:00Z on 2016-04-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 299 square meters per square second.1939587897Sfc1 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
32 J/kg
Mixed-layer CIN
-33 J/kg
Mixed-layer LCL
605 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
299 m²/s²
0-3 km storm-relative helicity
259 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

564 
WWUS81 KPHI 072131
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
531 PM EDT THU APR 7 2016
 
MDZ008-012-015-072215-
CECIL-KENT-QUEEN ANNE'S-
531 PM EDT THU APR 7 2016

...A STRONG THUNDERSTORM WILL AFFECT NORTHERN KENT...SOUTHEASTERN
CECIL AND NORTHERN QUEEN ANNE'S COUNTIES...

AT 531 PM EDT...A STRONG THUNDERSTORM WAS OVER NEWTOWN...OR 11 MILES
EAST OF MIDDLE RIVER...MOVING EAST AT 40 MPH.

WIND GUSTS UP TO 40 MPH AND PEA SIZE HAIL ARE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
CHESTERTOWN...CECILTON...MILLINGTON...BETTERTON...CAYOTS...NEWTOWN...
SASSAFRAS...KENNEDYVILLE...BOHEMIAS MILLS...WARWICK...MASSEY...MORGNEC AND
GALENA.

BRIEF HEAVY RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY
CAUSE LOCALIZED FLOODING. 

LAT...LON 3928 7620 3929 7617 3932 7618 3934 7616
      3933 7614 3935 7613 3937 7609 3937 7606
      3940 7604 3952 7578 3926 7577 3922 7624
TIME...MOT...LOC 2131Z 256DEG 33KT 3927 7616 
$$

GORSE

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 6, 8:07 PM EDTCoastal Flood AdvisoryPHISalem5 hr
Apr 7, 3:30 AM EDTWind AdvisoryPHIAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 3 more12 hr
Apr 7, 3:41 AM EDTGale WarningPHI14 hr
Apr 7, 12:22 PM EDTSpecial Weather StatementPHICamden, Cumberland, Gloucester, Salem38 min
Apr 7, 1:06 PM EDTSpecial Weather StatementPHIBurlington, Camden, Gloucester54 min
Apr 7, 1:34 PM EDTSpecial Weather StatementPHIHunterdon, Morris, Somerset, Sussex, Warren56 min
Apr 7, 1:49 PM EDTSpecial Weather StatementPHIMiddlesex56 min
Apr 7, 3:33 PM EDTSmall Craft AdvisoryPHI33 hr
Apr 7, 3:51 PM EDTSpecial Marine WarningPHI39 min
Apr 7, 3:56 PM EDTSpecial Weather StatementPHICape May49 min
Apr 7, 4:24 PM EDTSpecial Marine WarningPHI51 min
Apr 7, 6:42 PM EDTSpecial Marine WarningPHI48 min
Apr 7, 7:08 PM EDTSevere Thunderstorm WarningPHIAtlantic, Cape May, Cumberland37 min
Apr 7, 7:29 PM EDTSpecial Marine WarningPHI46 min
Apr 7, 7:40 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Ocean50 min
Apr 7, 12:08 PM EDTSevere Thunderstorm WarningPHIChester, Delaware37 min
Apr 7, 1:03 PM EDTSpecial Weather StatementPHIBucks, Delaware, Montgomery, Philadelphia42 min
Apr 7, 10:49 AM EDTSpecial Weather StatementPHICaroline, Cecil, Kent, Queen Anne's, Talbot86 min
Apr 7, 5:48 PM EDTSpecial Weather StatementPHICaroline, Queen Anne's, Talbot42 min
Apr 7, 3:16 PM EDTSpecial Weather StatementPHISussex44 min
Apr 7, 6:19 PM EDTSpecial Weather StatementPHINew Castle56 min
Apr 7, 6:27 PM EDTSpecial Weather StatementPHIKent, Sussex48 min
Apr 7, 6:37 PM EDTSevere Thunderstorm WarningPHIKent, New Castle, Sussex38 min

Nearby

Special Weather Statements in Maryland, 2016Every special weather statement in 2016

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.