Alert archive / Delaware / Special Weather Statements in 2012

Special Weather Statement, NWS Philadelphia/Mount Holly

June 22, 2012Kent County, Sussex County, Delaware

NWS Philadelphia/Mount Holly issued this special weather statement at Jun 22, 2012, 4:29 PM EDT for Kent County, Sussex County, Delaware. It was in force for 61 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
Jun 22, 2012, 4:29 PM EDT (20:29 UTC)
Expired
Jun 22, 2012, 5:30 PM EDT
In force
61 min
Issued by
NWS Philadelphia/Mount Holly

Counties Kent County, DE, Sussex County, DE

The radar

The Dover AFB radar (KDOX), 9 km from the middle of the area, began a volume at 20:29 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, 8.5 hours before the alert went out and 94 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 2012-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1129 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 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 2012-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -2 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
1129 J/kg
Mixed-layer CIN
-93 J/kg
Mixed-layer LCL
1361 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
-2 m²/s²
0-3 km storm-relative helicity
53 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.6

Open this sounding in Storm Lab

The text

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

360 
WWUS81 KPHI 222029
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
429 PM EDT FRI JUN 22 2012

DEZ002>004-222130-
DELAWARE BEACHES DE-INLAND SUSSEX DE-KENT DE-
429 PM EDT FRI JUN 22 2012

...STRONG THUNDERSTORMS WILL AFFECT KENT AND SUSSEX COUNTIES...

AT 424 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
STRONG THUNDERSTORMS ACROSS KENT AND SUSSEX COUNTIES IN DELAWARE. 
THE SHOWERS AND THUNDERSTORMS WERE MOVING NORTHEAST AT 15 MPH. 

WIND GUSTS TO 50 MPH...FREQUENT CLOUD TO GROUND LIGHTNING...HEAVY 
RAIN...AND HAIL ARE POSSIBLE WITH THESE STORMS.

DO NOT SEEK SHELTER UNDER TREES WHEN LIGHTNING THREATENS...MOVE 
INDOORS WHEN A THUNDERSTORM APPROACHES.


LAT...LON 3845 7563 3928 7572 3931 7543 3926 7539
      3907 7539 3898 7530 3892 7530 3880 7517
      3880 7508 3861 7504 3844 7505

$$

ROBERTSON

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 22, 10:12 AM EDTSpecial Weather StatementPHIOcean33 min
Jun 22, 11:57 AM EDTSpecial Weather StatementPHIOcean63 min
Jun 22, 12:15 PM EDTSpecial Weather StatementPHIOcean60 min
Jun 22, 12:18 PM EDTSevere Thunderstorm WarningPHIOcean42 min
Jun 22, 12:21 PM EDTSpecial Marine WarningPHI84 min
Jun 22, 12:23 PM EDTSpecial Marine WarningPHI97 min
Jun 22, 12:44 PM EDTAreal Flood AdvisoryPHIOcean2 hr
Jun 22, 12:53 PM EDTSevere Thunderstorm WarningPHIOcean52 min
Jun 22, 12:59 PM EDTSevere Thunderstorm WarningPHIOcean61 min
Jun 22, 1:10 PM EDTFlash Flood WarningPHIOcean6 hr
Jun 22, 1:37 PM EDTSpecial Weather StatementPHIBurlington83 min
Jun 22, 1:42 PM EDTSpecial Marine WarningPHI63 min
Jun 22, 1:46 PM EDTSevere Thunderstorm WarningPHIOcean59 min
Jun 22, 1:49 PM EDTSpecial Weather StatementPHIOcean56 min
Jun 22, 1:59 PM EDTSevere Thunderstorm WarningPHIBurlington, Monmouth, Ocean73 min
Jun 22, 2:04 PM EDTSpecial Marine WarningPHI56 min
Jun 22, 2:31 PM EDTAreal Flood AdvisoryPHIBurlington, Camden, Monmouth, Ocean119 min
Jun 22, 2:34 PM EDTSpecial Weather StatementPHIAtlantic56 min
Jun 22, 2:39 PM EDTSpecial Marine WarningPHI96 min
Jun 22, 2:42 PM EDTSpecial Weather StatementPHIBurlington, Ocean63 min
Jun 22, 2:46 PM EDTSpecial Weather StatementPHIMonmouth59 min
Jun 22, 2:51 PM EDTSpecial Marine WarningPHI54 min
Jun 22, 3:16 PM EDTSpecial Weather StatementPHIAtlantic, Burlington, Camden, Ocean59 min
Jun 22, 3:28 PM EDTSpecial Marine WarningPHI62 min
Jun 22, 3:40 PM EDTSpecial Marine WarningPHI65 min
Jun 22, 3:43 PM EDTAreal Flood AdvisoryPHIAtlantic2 hr
Jun 22, 3:55 PM EDTSevere Thunderstorm WarningPHIMorris, Sussex65 min
Jun 22, 4:00 PM EDTFlash Flood WarningPHIBurlington43 min
Jun 22, 4:05 PM EDTSpecial Marine WarningPHI85 min
Jun 22, 4:09 PM EDTSevere Thunderstorm WarningPHIHunterdon, Warren66 min
Jun 22, 4:11 PM EDTSevere Thunderstorm WarningPHICape May, Cumberland44 min
Jun 22, 4:15 PM EDTSpecial Weather StatementPHIAtlantic, Burlington, Ocean60 min
Jun 22, 4:26 PM EDTSpecial Marine WarningPHI94 min
Jun 22, 4:27 PM EDTAreal Flood AdvisoryPHIAtlantic, Burlington, Camden, Ocean2 hr
Jun 22, 4:49 PM EDTSpecial Weather StatementPHICape May56 min
Jun 22, 5:00 PM EDTSevere Thunderstorm WarningPHIHunterdon, Morris, Somerset, Sussex, Warren45 min
Jun 22, 5:05 PM EDTSpecial Weather StatementPHIAtlantic, Ocean55 min
Jun 22, 5:16 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Ocean59 min
Jun 22, 5:23 PM EDTSpecial Marine WarningPHI97 min
Jun 22, 5:45 PM EDTSevere Thunderstorm WarningPHIMiddlesex, Monmouth, Morris, Somerset42 min
Jun 22, 5:48 PM EDTSpecial Weather StatementPHIMercer57 min
Jun 22, 5:54 PM EDTSpecial Marine WarningPHI96 min
Jun 22, 6:13 PM EDTSpecial Weather StatementPHIBurlington, Camden, Gloucester, Mercer, Ocean, Salem62 min
Jun 22, 6:16 PM EDTSpecial Weather StatementPHIBurlington, Camden, Gloucester, Mercer, Ocean, Salem119 min
Jun 22, 7:02 PM EDTAreal Flood AdvisoryPHIBurlington, Camden, Gloucester102 min
Jun 22, 7:04 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Gloucester56 min
Jun 22, 7:06 PM EDTSevere Thunderstorm WarningPHISalem54 min
Jun 22, 7:30 PM EDTSpecial Marine WarningPHI60 min
Jun 22, 7:42 PM EDTFlash Flood WarningPHISalem93 min
Jun 22, 7:52 PM EDTFlash Flood WarningPHIBurlington, Camden, Mercer, Monmouth73 min
Jun 22, 7:57 PM EDTSevere Thunderstorm WarningPHICamden, Gloucester, Salem69 min
Jun 22, 2:42 AM EDTSpecial Weather StatementPHICarbon63 min
Jun 22, 2:51 PM EDTSevere Thunderstorm WarningPHIMonroe54 min
Jun 22, 3:25 PM EDTSpecial Weather StatementPHICarbon, Monroe50 min
Jun 22, 1:01 PM EDTSpecial Weather StatementPHISussex29 min
Jun 22, 1:32 PM EDTAreal Flood AdvisoryPHISussex118 min
Jun 22, 2:09 PM EDTSpecial Weather StatementPHISussex66 min
Jun 22, 3:15 PM EDTSpecial Weather StatementPHISussex60 min
Jun 22, 3:30 PM EDTAreal Flood AdvisoryPHISussex2 hr
Jun 22, 3:38 PM EDTSpecial Weather StatementPHISussex67 min
Jun 22, 5:33 PM EDTSpecial Weather StatementPHISussex57 min
Jun 22, 5:53 PM EDTAreal Flood AdvisoryPHISussex50 min
Jun 22, 6:13 PM EDTSevere Thunderstorm WarningPHICecil62 min
Jun 22, 7:31 PM EDTSpecial Weather StatementPHIKent59 min

Nearby

Special Weather Statements in Delaware, 2012Every special weather statement in 2012

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.