Alert archive / Maryland / Special Weather Statements in 2016

Special Weather Statement, NWS Philadelphia/Mount Holly

July 9, 2016Caroline County, Talbot County, Maryland

NWS Philadelphia/Mount Holly issued this special weather statement at Jul 9, 2016, 4:48 PM EDT for Caroline County, Talbot County, Maryland. It was in force for 57 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: Jul 9, 2016, 4:48 PM EDT (20:48 UTC)
Expired: Jul 9, 2016, 5:45 PM EDT
In force: 57 min
Issued by: NWS Philadelphia/Mount Holly

Counties Caroline County, MD, Talbot County, MD

The radar

The Dover AFB radar (KDOX), 69 km from the middle of the area, began a volume at 20:52 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, 8.8 hours before the alert went out and 102 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: 10 J/kg
Mixed-layer CIN: -183 J/kg
Mixed-layer LCL: 1248 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: -24 m²/s²
0-3 km storm-relative helicity: 68 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

250 
WWUS81 KPHI 092048
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
448 PM EDT SAT JUL 9 2016
 
MDZ015-019-020-092145-
CAROLINE-TALBOT-QUEEN ANNE'S-
448 PM EDT SAT JUL 9 2016

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

AT 447 PM EDT...A LINE OF STRONG THUNDERSTORMS WAS ALONG A LINE
EXTENDING FROM TALBOT TO NEAR TILGHMAN ISLAND...AND MOVING EAST AT 20
MPH.

WIND GUSTS UP TO 50 MPH AND PEA SIZE HAIL ARE POSSIBLE WITH THESE
STORMS.

LOCATIONS IMPACTED INCLUDE...
EASTON...TALBOT...DENTON...TRAPPE...ST. MICHAELS...OXFORD...
QUEEN ANNE...CHOPTANK...COPPERVILLE...HARMONY...TANYARD...SKIPTON...
WINDYHILL...TILGHMAN ISLAND...GRIFFIN...MATTHEWS...CORDOVA...
HAMBLETON AND HILLSBORO.

TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM...AND MAY CAUSE
LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

FREQUENT CLOUD TO GROUND LIGHTNING IS ALSO OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

THESE STORMS MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

LAT...LON 3876 7633 3890 7629 3879 7620 3879 7619
      3890 7620 3891 7625 3892 7621 3892 7627
      3893 7626 3893 7577 3857 7602 3868 7621
      3876 7622 3871 7628 3878 7629 3877 7631
      3867 7634 3873 7633 3876 7638
TIME...MOT...LOC 2047Z 270DEG 17KT 3883 7627 3872 7639 
$$

MEOLA

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 8, 8:12 PM EDT	Flash Flood Warning	PHI	Atlantic, Burlington	4 hr
Jul 9, 3:55 PM EDT	Severe Thunderstorm Warning	PHI	Gloucester, Salem	50 min
Jul 9, 4:08 PM EDT	Special Marine Warning	PHI		67 min
Jul 9, 4:15 PM EDT	Areal Flood Advisory	PHI	Gloucester, Salem	4 hr
Jul 9, 4:47 PM EDT	Special Weather Statement	PHI	Salem	43 min
Jul 9, 6:11 PM EDT	Special Weather Statement	PHI	Salem	34 min
Jul 9, 6:31 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Cumberland, Salem	44 min
Jul 9, 6:33 PM EDT	Special Marine Warning	PHI		57 min
Jul 9, 6:43 PM EDT	Areal Flood Advisory	PHI	Cumberland, Salem	4 hr
Jul 9, 7:07 PM EDT	Special Marine Warning	PHI		53 min
Jul 9, 7:07 PM EDT	Severe Thunderstorm Warning	PHI	Cape May, Cumberland	33 min
Jul 9, 7:33 PM EDT	Special Weather Statement	PHI	Warren	57 min
Jul 9, 12:35 PM EDT	Special Weather Statement	PHI	Berks	25 min
Jul 9, 12:59 PM EDT	Special Weather Statement	PHI	Berks	31 min
Jul 9, 1:27 PM EDT	Special Weather Statement	PHI	Berks	48 min
Jul 9, 2:40 PM EDT	Special Weather Statement	PHI	Chester	50 min
Jul 9, 3:17 PM EDT	Severe Thunderstorm Warning	PHI	Chester, Delaware	43 min
Jul 9, 5:00 PM EDT	Severe Thunderstorm Warning	PHI	Caroline, Queen Anne's, Talbot	30 min
Jul 9, 2:38 PM EDT	Special Weather Statement	PHI	Sussex	22 min
Jul 9, 3:13 PM EDT	Special Weather Statement	PHI	Sussex	62 min
Jul 9, 4:11 PM EDT	Special Weather Statement	PHI	New Castle	34 min
Jul 9, 5:31 PM EDT	Special Weather Statement	PHI	New Castle	29 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.