Alert archive / Maryland / Special Weather Statements in 2021

Special Weather Statement, NWS Philadelphia/Mount Holly

October 25, 2021Kent County, Queen Anne's County, Maryland

NWS Philadelphia/Mount Holly issued this special weather statement at Oct 25, 2021, 5:42 PM EDT for Kent County, Queen Anne's 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: Oct 25, 2021, 5:42 PM EDT (21:42 UTC)
Expired: Oct 25, 2021, 6:30 PM EDT
In force: 48 min
Issued by: NWS Philadelphia/Mount Holly
Hail: 0.25 in
Wind: 40

Counties Kent County, MD, Queen Anne's County, MD

The radar

The Dover AFB radar (KDOX), 72 km from the middle of the area, began a volume at 21:46 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, 9.7 hours before the alert went out and 117 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1230 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 213 m²/s²
0-3 km storm-relative helicity: 196 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

658 
WWUS81 KPHI 252142
SPSPHI

Special Weather Statement
National Weather Service Mount Holly NJ
542 PM EDT Mon Oct 25 2021
 
DEZ001-002-MDZ012-015-020-252230-
Kent DE-New Castle DE-Queen Anne's MD-Kent MD-Caroline MD-
542 PM EDT Mon Oct 25 2021

...Strong thunderstorms will impact portions of southwestern New
Castle, northwestern Kent, Queen Anne's, northeastern Caroline and
Kent Counties through 630 PM EDT...

At 542 PM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Stevensville to near Denton. Movement was
north at 40 mph.

HAZARD...Wind gusts up to 40 mph and pea size hail.

SOURCE...Radar indicated. Winds to around 40 mph have been observed 
         with these storms.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects. Minor damage to outdoor objects is 
         possible.

Locations impacted include...
Centerville, Chestertown, Centreville, Clayton, Greensboro, Oakland,
Rock Hall, Church Hill, Millington, Sudlersville, Betterton,
Goldsboro, Hartly, Old Town, Starr, Newtown, Morgnec, Delaney Corner,
Crumpton and Sassafras.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

&&

LAT...LON 3919 7626 3926 7622 3929 7617 3932 7618
      3934 7616 3933 7614 3937 7611 3938 7604
      3936 7588 3938 7583 3935 7563 3894 7575
      3900 7617 3903 7624 3909 7623 3915 7628
TIME...MOT...LOC 2142Z 197DEG 33KT 3900 7636 3892 7583 

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

$$

JEO

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 25, 3:12 AM EDT	Gale Watch	PHI		13 hr
Oct 25, 4:15 PM EDT	Gale Warning	PHI		46 hr
Oct 25, 6:03 PM EDT	Special Marine Warning	PHI		57 min
Oct 25, 6:27 PM EDT	Special Weather Statement	PHI	Salem	33 min
Oct 25, 6:33 PM EDT	Severe Thunderstorm Warning	PHI	Salem	42 min
Oct 25, 7:02 PM EDT	Special Weather Statement	PHI	Camden, Gloucester, Salem	43 min
Oct 25, 7:34 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden, Gloucester	26 min
Oct 25, 6:57 PM EDT	Severe Thunderstorm Warning	PHI	Berks, Chester, Delaware	48 min
Oct 25, 7:43 PM EDT	Special Weather Statement	PHI	Bucks, Montgomery	47 min
Oct 25, 4:15 PM EDT	Special Weather Statement	PHI	Sussex	30 min
Oct 25, 5:27 PM EDT	Special Weather Statement	PHI	Kent	33 min
Oct 25, 5:06 PM EDT	Special Weather Statement	PHI	Talbot	39 min

Nearby

Special Weather Statements in Maryland, 2021 Every special weather statement in 2021

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.