Alert archive / Maryland / Special Weather Statements in 2016

Special Weather Statement, NWS Philadelphia/Mount Holly

April 7, 2016Caroline County, Queen Anne's County, Talbot County, Maryland

NWS Philadelphia/Mount Holly issued this special weather statement at Apr 7, 2016, 5:48 PM EDT for Caroline County, Queen Anne's County, Talbot County, Maryland. It was in force for 42 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: Apr 7, 2016, 5:48 PM EDT (21:48 UTC)
Expired: Apr 7, 2016, 6:30 PM EDT
In force: 42 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), 66 km from the middle of the area, began a volume at 21:50 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, 9.8 hours before the alert went out and 67 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 32 J/kg
Mixed-layer CIN: -33 J/kg
Mixed-layer LCL: 605 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 299 m²/s²
0-3 km storm-relative helicity: 259 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

270 
WWUS81 KPHI 072148
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
548 PM EDT THU APR 7 2016
 
MDZ012-015-019-020-072230-
CAROLINE-TALBOT-KENT-QUEEN ANNE'S-
548 PM EDT THU APR 7 2016

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT SOUTHWESTERN KENT...
TALBOT...QUEEN ANNE'S AND CAROLINE COUNTIES...

AT 546 PM EDT...A LINE OF STRONG THUNDERSTORMS WAS ALONG A LINE
EXTENDING FROM NEAR CHESAPEAKE BAY BRIDGE TO NEAR TILGHMAN ISLAND TO
11 MILES SOUTH OF CAMBRIDGE...AND MOVING NORTHEAST AT 65 MPH.

WIND GUSTS TO AROUND 40 MPH AND PEA SIZE HAIL ARE POSSIBLE WITH
THESE STORMS.

BRIEF HEAVY RAINFALL IS ALSO OCCURRING WITH THESE STORMS...AND MAY
CAUSE LOCALIZED FLOODING.

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.

LOCATIONS IMPACTED INCLUDE...
EASTON...CENTERVILLE...TALBOT...DENTON...CENTREVILLE...FEDERALSBURG...
GREENSBORO...OAKLAND...RIDGELY...TRAPPE...ST. MICHAELS...CHURCH HILL...
PRESTON...OXFORD...SUDLERSVILLE...GOLDSBORO...QUEEN ANNE...OLD TOWN...
CHOPTANK AND STARR.

LAT...LON 3896 7636 3904 7631 3898 7628 3900 7617
      3901 7618 3912 7625 3925 7577 3865 7571
      3870 7590 3857 7604 3868 7621 3876 7622
      3872 7630 3876 7630 3868 7634 3897 7625
      3884 7637 3885 7638
TIME...MOT...LOC 2146Z 244DEG 57KT 3904 7636 3872 7628 3840 7606 
$$

GORSE

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 6, 8:07 PM EDT	Coastal Flood Advisory	PHI	Salem	5 hr
Apr 7, 3:30 AM EDT	Wind Advisory	PHI	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 3 more	12 hr
Apr 7, 3:41 AM EDT	Gale Warning	PHI		14 hr
Apr 7, 12:22 PM EDT	Special Weather Statement	PHI	Camden, Cumberland, Gloucester, Salem	38 min
Apr 7, 1:06 PM EDT	Special Weather Statement	PHI	Burlington, Camden, Gloucester	54 min
Apr 7, 1:34 PM EDT	Special Weather Statement	PHI	Hunterdon, Morris, Somerset, Sussex, Warren	56 min
Apr 7, 1:49 PM EDT	Special Weather Statement	PHI	Middlesex	56 min
Apr 7, 3:33 PM EDT	Small Craft Advisory	PHI		33 hr
Apr 7, 3:51 PM EDT	Special Marine Warning	PHI		39 min
Apr 7, 3:56 PM EDT	Special Weather Statement	PHI	Cape May	49 min
Apr 7, 4:24 PM EDT	Special Marine Warning	PHI		51 min
Apr 7, 6:42 PM EDT	Special Marine Warning	PHI		48 min
Apr 7, 7:08 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Cape May, Cumberland	37 min
Apr 7, 7:29 PM EDT	Special Marine Warning	PHI		46 min
Apr 7, 7:40 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Ocean	50 min
Apr 7, 12:08 PM EDT	Severe Thunderstorm Warning	PHI	Chester, Delaware	37 min
Apr 7, 1:03 PM EDT	Special Weather Statement	PHI	Bucks, Delaware, Montgomery, Philadelphia	42 min
Apr 7, 10:49 AM EDT	Special Weather Statement	PHI	Caroline, Cecil, Kent, Queen Anne's, Talbot	86 min
Apr 7, 5:31 PM EDT	Special Weather Statement	PHI	Kent	44 min
Apr 7, 3:16 PM EDT	Special Weather Statement	PHI	Sussex	44 min
Apr 7, 6:19 PM EDT	Special Weather Statement	PHI	New Castle	56 min
Apr 7, 6:27 PM EDT	Special Weather Statement	PHI	Kent, Sussex	48 min
Apr 7, 6:37 PM EDT	Severe Thunderstorm Warning	PHI	Kent, New Castle, Sussex	38 min

Nearby

Special Weather Statements in Maryland, 2016 Every 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.