Alert archive / Maryland / Special Weather Statements in 2012

Special Weather Statement, NWS Philadelphia/Mount Holly

June 7, 2012Talbot County, Maryland

NWS Philadelphia/Mount Holly issued this special weather statement at Jun 7, 2012, 4:12 PM EDT for Talbot County, Maryland. It was in force for 48 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 7, 2012, 4:12 PM EDT (20:12 UTC)
Expired
Jun 7, 2012, 5:00 PM EDT
In force
48 min
Issued by
NWS Philadelphia/Mount Holly

County Talbot County, MD

The radar

The Dover AFB radar (KDOX), 44 km from the middle of the area, began a volume at 20:11 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, 8.2 hours before the alert went out and 86 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 2012-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 52 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°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 2012-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 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
52 J/kg
Mixed-layer CIN
-96 J/kg
Mixed-layer LCL
1309 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
43 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

354 
WWUS81 KPHI 072012
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
412 PM EDT THU JUN 7 2012

MDZ019-020-072100-
CAROLINE MD-TALBOT MD-
412 PM EDT THU JUN 7 2012

...A STRONG THUNDERSTORM WILL AFFECT PORTIONS OF CAROLINE AND TALBOT 
COUNTIES...

AT 408 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER EASTON...MOVING SOUTHEAST AT 20 MPH. THE
THUNDERSTORM WILL BE NEAR TANYARD...HAMBLETON AROUND 420 PM...TRAPPE
AROUND 425 PM...WINDYHILL...HARMONY AROUND 430 PM...CHOPTANK...
PRESTON AROUND 435 PM...AGNER AROUND 445 PM AND SMITHVILLE AROUND 450
PM.

VERY HEAVY RAIN WILL FALL FROM THIS STORM, AND WILL CAUSE WATER TO 
POND ON ROADS AND QUICKLY FILL ROADSIDE DITCHES.

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

CLOUD TO GROUND LIGHTNING IS OCCURRING. DO NOT SEEK SHELTER UNDER 
TREES WHEN LIGHTNING THREATENS, MOVE INDOORS WHEN A THUNDERSTORM 
APPROACHES.

LAT...LON 3872 7624 3892 7602 3882 7572 3865 7571
      3868 7576 3867 7580 3870 7581 3870 7584
      3867 7594 3863 7598 3859 7598

$$

FORECASTER: GORSE

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 7, 4:51 AM EDTCoastal Flood StatementPHIAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 4 more23 hr
Jun 7, 12:48 PM EDTSpecial Weather StatementPHIOcean42 min
Jun 7, 2:21 PM EDTSpecial Weather StatementPHIAtlantic54 min
Jun 7, 4:43 PM EDTSpecial Weather StatementPHIMonmouth62 min
Jun 7, 5:13 PM EDTSpecial Weather StatementPHIOcean47 min
Jun 7, 5:41 PM EDTSpecial Weather StatementPHIAtlantic34 min
Jun 7, 6:12 PM EDTSpecial Weather StatementPHIOcean48 min
Jun 7, 6:19 PM EDTSpecial Weather StatementPHIAtlantic41 min
Jun 7, 6:45 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington41 min
Jun 7, 6:57 PM EDTSpecial Marine WarningPHI63 min
Jun 7, 7:30 PM EDTSpecial Weather StatementPHIAtlantic60 min
Jun 7, 4:55 PM EDTSpecial Weather StatementPHIBucks35 min

Nearby

Special Weather Statements in Maryland, 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.