Alert archive / Maryland / Special Weather Statements in 2016

Special Weather Statement, NWS Philadelphia/Mount Holly

August 15, 2016Kent County, Queen Anne's County, Maryland

NWS Philadelphia/Mount Holly issued this special weather statement at Aug 15, 2016, 6:56 PM EDT for Kent County, Queen Anne's County, Maryland. It was in force for 64 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
Aug 15, 2016, 6:56 PM EDT (22:56 UTC)
Expired
Aug 15, 2016, 8:00 PM EDT
In force
64 min
Issued by
NWS Philadelphia/Mount Holly

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

The radar

The Dover AFB radar (KDOX), 69 km from the middle of the area, began a volume at 22:57 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, 10.9 hours before the alert went out and 103 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, Washington/Dulle, VA at 12:00Z on 2016-08-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 163 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Washington/Dulle, VA at 12:00Z on 2016-08-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -11 square meters per square second.1939Sfc1 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
163 J/kg
Mixed-layer CIN
-212 J/kg
Mixed-layer LCL
1358 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
-11 m²/s²
0-3 km storm-relative helicity
12 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

898 
WWUS81 KPHI 152256
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
656 PM EDT MON AUG 15 2016
 
MDZ012-015-019-160000-
TALBOT-KENT-QUEEN ANNE'S-
656 PM EDT MON AUG 15 2016

...AN AREA OF STRONG THUNDERSTORMS WILL AFFECT KENT...NORTH CENTRAL
TALBOT AND CENTRAL QUEEN ANNE'S COUNTIES...

AT 654 PM EDT...AN AREA OF STRONG THUNDERSTORMS WAS ACROSS CENTRAL
MARYLAND AND IS MOVING EASTWARD AT 30 MPH. THESE STORMS HAVE HAD A
HISTORY OF PRODUCING SEVERE WEATHER. THEY WILL CROSS THE CHESAPEAKE
BAY SHORTY AND WILL ARRIVE ACROSS THE EASTERN SHORE COUNTIES BY 800
PM. IF THE STORMS DO NOT WEAKEN...YOU CAN EXPECT WARNINGS TO BE
ISSUED. 

LOCATIONS IMPACTED INCLUDE...
EASTON...CENTERVILLE...CHESTERTOWN...CENTREVILLE...ROCK HALL...
CHURCH HILL...OLD TOWN...STARR...COPPERVILLE...SKIPTON...WYE MILLS...
CHESTER...CARVILLE...OVERTON...LANGFORD...STARKEY CORNER...
GRASONVILLE...MORGNEC...CORDOVA AND QUEENSTOWN.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THESE STORMS.
LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

LAT...LON 3915 7628 3926 7622 3928 7594 3878 7601
      3881 7620 3885 7620 3886 7626 3888 7620
      3897 7625 3891 7624 3894 7627 3890 7628
      3891 7630
TIME...MOT...LOC 2254Z 278DEG 26KT 3911 7660 
$$

PO

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 14, 8:17 PM EDTSpecial Weather StatementPHIMercer43 min
Aug 14, 9:12 PM EDTSpecial Weather StatementPHIMercer, Middlesex33 min
Aug 14, 9:48 PM EDTSpecial Marine WarningPHI87 min
Aug 14, 9:49 PM EDTSevere Thunderstorm WarningPHICumberland, Salem41 min
Aug 14, 10:34 PM EDTSpecial Weather StatementPHICape May, Cumberland41 min
Aug 14, 11:13 PM EDTSpecial Weather StatementPHICape May17 min
Aug 15, 3:21 PM EDTHeat AdvisoryPHIAtlantic, Burlington, Cape May, Cumberland, Hunterdon, Middlesex and 4 more29 hr
Aug 15, 3:56 PM EDTSmall Craft AdvisoryPHI37 hr
Aug 14, 8:46 PM EDTSpecial Weather StatementPHIKent, Queen Anne's, Talbot29 min
Aug 14, 9:01 PM EDTSevere Thunderstorm WarningPHICaroline, Cecil, Kent, Queen Anne's, Talbot44 min
Aug 14, 9:34 PM EDTSevere Thunderstorm WarningPHICecil, Kent56 min
Aug 14, 9:42 PM EDTSevere Thunderstorm WarningPHICaroline, Kent, Queen Anne's49 min
Aug 15, 7:08 PM EDTSevere Thunderstorm WarningPHICaroline, Kent, Queen Anne's, Talbot37 min
Aug 15, 7:49 PM EDTSpecial Weather StatementPHIKent41 min
Aug 14, 10:36 PM EDTSpecial Weather StatementPHISussex24 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.