Alert archive / Delaware / Special Weather Statements in 2016

Special Weather Statement, NWS Philadelphia/Mount Holly

August 14, 2016Sussex County, Delaware

NWS Philadelphia/Mount Holly issued this special weather statement at Aug 14, 2016, 10:36 PM EDT for Sussex County, Delaware. It was in force for 24 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 14, 2016, 10:36 PM EDT (02:36 UTC)
Expired
Aug 14, 2016, 11:00 PM EDT
In force
24 min
Issued by
NWS Philadelphia/Mount Holly

County Sussex County, DE

The radar

The Dover AFB radar (KDOX), 27 km from the middle of the area, began a volume at 02:35 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

Wallops Is Stn, VA (KWAL), launched 00:00Z, 2.6 hours before the alert went out and 80 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, Wallops Is Stn, VA at 00:00Z on 2016-08-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3071 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, Wallops Is Stn, VA at 00:00Z on 2016-08-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 58 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
3071 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
1317 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
58 m²/s²
0-3 km storm-relative helicity
77 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

695 
WWUS81 KPHI 150236
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1036 PM EDT SUN AUG 14 2016
 
DEZ003-004-150300-
DELAWARE BEACHES-INLAND SUSSEX-
1036 PM EDT SUN AUG 14 2016

...A LINE OF SHOWERS WILL AFFECT SUSSEX COUNTY...

AT 1035 PM EDT...A LINE OF SHOWERS WAS ALONG A LINE EXTENDING FROM
NEAR MILTON TO NEAR HEBRON...AND MOVING SOUTHEAST AT 15 MPH.

WIND GUSTS UP TO 40 MPH ARE POSSIBLE WITH THESE SHOWERS. A GUST
FRONT WILL PRECEDE THESE SHOWERS...SO THE GUSTY WINDS COULD ARRIVE
WELL BEFORE ANY RAIN.

LOCATIONS IMPACTED INCLUDE...
GEORGETOWN...MILLSBORO...LAUREL...LEWES...MILTON...DELMAR...
DAGSBORO...HENLOPEN ACRES...SYCAMORE...GUMBORO...
CAPE HENLOPEN STATE PARK...LONG NECK...FRANKFORD...
DEWEY BEACH AND BETHEL.

LAT...LON 3846 7569 3853 7570 3890 7529 3879 7516
      3878 7512 3880 7509 3864 7506 3863 7507
      3869 7508 3869 7514 3864 7513 3862 7509
      3859 7521 3857 7518 3859 7512 3845 7528
TIME...MOT...LOC 0235Z 325DEG 13KT 3885 7526 3848 7567 
$$

SFJ

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, 6:56 PM EDTSpecial Weather StatementPHIKent, Queen Anne's64 min
Aug 15, 7:08 PM EDTSevere Thunderstorm WarningPHICaroline, Kent, Queen Anne's, Talbot37 min
Aug 15, 7:49 PM EDTSpecial Weather StatementPHIKent41 min

Nearby

Special Weather Statements in Delaware, 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.