Alert archive / Maryland / Special Weather Statements in 2012

Special Weather Statement, NWS Philadelphia/Mount Holly

February 24, 2012Caroline County, Queen Anne's County, Talbot County, Maryland

NWS Philadelphia/Mount Holly issued this special weather statement at Feb 24, 2012, 3:16 PM EST for Caroline County, Queen Anne's County, Talbot 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
Feb 24, 2012, 3:16 PM EST (20:16 UTC)
Expired
Feb 24, 2012, 4:00 PM EST
In force
44 min
Issued by
NWS Philadelphia/Mount Holly

Counties Caroline County, MD, Queen Anne's County, MD, Talbot County, MD

The radar

The Dover AFB radar (KDOX), 56 km from the middle of the area, began a volume at 20:17 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, 8.3 hours before the alert went out and 114 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 2012-02-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2012-02-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 220 square meters per square second.1939587897117136Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
602 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
220 m²/s²
0-3 km storm-relative helicity
268 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.

347 
WWUS81 KPHI 242016
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
316 PM EST FRI FEB 24 2012

DEZ002-003-MDZ012-015-019-020-242100-
CAROLINE MD-INLAND SUSSEX DE-KENT DE-KENT MD-QUEEN ANNE'S MD-
TALBOT MD-
316 PM EST FRI FEB 24 2012

...A FEW STRONG THUNDERSTORMS WILL AFFECT CAROLINE...KENT...QUEEN 
ANNE'S...SUSSEX AND TALBOT COUNTIES...

AT 313 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN 
AREA OF STRONG THUNDERSTORMS OVER CHESAPEAKE BAY MOVING EAST AT 35 
MPH. THE THUNDERSTORMS WILL AFFECT WYE MILLS... CENTERVILLE AND 
KINGSTOWN BY AROUND 320 PM...CARVILLE...SKIPTON...STARKEY 
CORNER...EASTON AROUND 325 PM...STARR AND HOPE AROUND 330 PM.

WIND GUSTS TO 50 MPH ARE POSSIBLE WITH THIS STORM.

LAT...LON 3872 7631 3883 7631 3887 7625 3881 7621
      3882 7620 3894 7624 3884 7638 3904 7632
      3899 7627 3900 7618 3903 7625 3920 7625
      3926 7586 3925 7576 3920 7575 3920 7555
      3873 7555 3867 7575 3869 7590 3858 7605

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 24, 3:34 AM ESTGale WarningPHI45 hr
Feb 24, 3:40 AM ESTWind AdvisoryPHIAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 10 more42 hr
Feb 24, 4:06 AM ESTSpecial Weather StatementPHIAtlantic, Camden, Cumberland54 min
Feb 24, 4:38 PM ESTSpecial Marine WarningPHI82 min
Feb 24, 3:49 PM ESTSpecial Weather StatementPHIKent26 min
Feb 24, 4:07 PM ESTSpecial Weather StatementPHIKent, Sussex53 min
Feb 24, 4:14 PM ESTSevere Thunderstorm WarningPHISussex31 min
Feb 24, 5:03 PM ESTSpecial Weather StatementPHISussex42 min
Feb 24, 3:29 PM ESTSevere Thunderstorm WarningPHICaroline, Queen Anne's, Talbot46 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.