Alert archive / Maryland / Special Weather Statements in 2021

Special Weather Statement, NWS Philadelphia/Mount Holly

September 23, 2021Kent County, Queen Anne's County, Talbot County, Maryland

NWS Philadelphia/Mount Holly issued this special weather statement at Sep 23, 2021, 8:08 AM EDT for Kent County, Queen Anne's County, Talbot County, Maryland. It was in force for 52 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: Sep 23, 2021, 8:08 AM EDT (12:08 UTC)
Expired: Sep 23, 2021, 9:00 AM EDT
In force: 52 min
Issued by: NWS Philadelphia/Mount Holly
Hail: 0.00 in
Wind: 50

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

The radar

The Dover AFB radar (KDOX), 71 km from the middle of the area, began a volume at 12:08 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, 0.1 hours before the alert went out and 100 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: 517 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: -71 m²/s²
0-3 km storm-relative helicity: 88 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.0

Open this sounding in Storm Lab

The text

As transmitted.

423 
WWUS81 KPHI 231208
SPSPHI

Special Weather Statement
National Weather Service Mount Holly NJ
808 AM EDT Thu Sep 23 2021
 
MDZ012-015-019-231300-
Queen Anne's MD-Talbot MD-Kent MD-
808 AM EDT Thu Sep 23 2021

...Strong thunderstorms will impact portions of Talbot, western 
Queen Anne's and western Kent Counties through 900 AM EDT...

At 805 AM EDT, Doppler radar was tracking strong thunderstorms on 
Chesapeake Bay's upper eastern shore, moving north at 40 mph.

HAZARD...Wind gusts up to 50 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects.

Locations impacted include...
Easton, Centerville, Talbot, Chestertown, Centreville, Trappe, St.
Michaels, Oxford, Betterton, Old Town, Grasonville, Copperville,
Newtown, Morgnec, Tilghman Island, Skipton, Langford, Chester,
Overton and Starkey Corner.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

&&

LAT...LON 3876 7635 3886 7626 3879 7620 3879 7619
      3897 7625 3891 7631 3893 7632 3884 7637
      3885 7638 3907 7623 3932 7618 3938 7604
      3937 7597 3861 7607 3877 7631 3867 7634
      3877 7638
TIME...MOT...LOC 1207Z 185DEG 35KT 3852 7630 

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH

$$

Iovino

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 22, 8:43 PM EDT	Gale Warning	PHI		18 hr
Sep 23, 9:12 AM EDT	Coastal Flood Advisory	PHI	Burlington, Camden, Gloucester	10 hr
Sep 23, 11:33 AM EDT	Areal Flood Advisory	PHI	Cumberland, Gloucester, Salem	3 hr
Sep 23, 11:57 AM EDT	Flash Flood Warning	PHI	Gloucester, Salem	3 hr
Sep 23, 12:12 PM EDT	Severe Thunderstorm Warning	PHI	Gloucester, Salem	48 min
Sep 23, 12:54 PM EDT	Special Weather Statement	PHI	Gloucester	51 min
Sep 23, 12:56 PM EDT	Areal Flood Advisory	PHI	Burlington, Camden, Hunterdon, Mercer, Warren	3 hr
Sep 23, 1:13 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden, Gloucester, Salem	47 min
Sep 23, 1:42 PM EDT	Flash Flood Warning	PHI	Burlington, Camden, Gloucester	4 hr
Sep 23, 1:58 PM EDT	Special Weather Statement	PHI	Camden, Hunterdon	32 min
Sep 23, 2:37 PM EDT	Areal Flood Advisory	PHI	Burlington, Hunterdon, Mercer, Middlesex, Monmouth, Morris and 3 more	3 hr
Sep 23, 2:47 PM EDT	Special Weather Statement	PHI	Hunterdon, Mercer	28 min
Sep 23, 2:52 PM EDT	Special Weather Statement	PHI	Camden	23 min
Sep 23, 3:13 PM EDT	Special Weather Statement	PHI	Mercer, Somerset	32 min
Sep 23, 3:16 PM EDT	Special Weather Statement	PHI	Burlington	29 min
Sep 23, 3:23 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Mercer, Middlesex, Morris, Somerset	52 min
Sep 23, 3:26 PM EDT	Flash Flood Warning	PHI	Burlington, Hunterdon, Mercer, Middlesex, Morris, Somerset	2 hr
Sep 23, 3:50 PM EDT	Special Weather Statement	PHI	Burlington	25 min
Sep 23, 4:21 PM EDT	Areal Flood Advisory	PHI	Middlesex, Monmouth, Morris, Ocean, Somerset, Sussex	15 min
Sep 23, 4:36 PM EDT	Flash Flood Warning	PHI	Middlesex, Monmouth, Morris, Somerset, Sussex	3 hr
Sep 23, 5:00 PM EDT	Special Weather Statement	PHI	Monmouth	30 min
Sep 23, 10:52 AM EDT	Areal Flood Advisory	PHI	Chester	3 hr
Sep 23, 11:40 AM EDT	Areal Flood Advisory	PHI	Berks, Bucks, Carbon, Lehigh, Montgomery, Northampton	3 hr
Sep 23, 12:28 PM EDT	Flash Flood Warning	PHI	Chester, Delaware, Montgomery, Philadelphia	4 hr
Sep 23, 12:57 PM EDT	Special Weather Statement	PHI	Bucks	33 min
Sep 23, 1:48 PM EDT	River Flood Warning	PHI	Chester	5 hr
Sep 23, 4:26 PM EDT	Areal Flood Warning	PHI	Chester, Delaware, Montgomery, Philadelphia	80 min
Sep 23, 7:18 PM EDT	Areal Flood Warning	PHI	Berks, Montgomery	36 min
Sep 23, 11:11 AM EDT	Special Weather Statement	PHI	New Castle	64 min
Sep 23, 11:42 AM EDT	Severe Thunderstorm Warning	PHI	New Castle	33 min
Sep 23, 9:03 AM EDT	Areal Flood Advisory	PHI	Kent, Queen Anne's, Talbot	3 hr
Sep 23, 9:31 AM EDT	Special Weather Statement	PHI	Kent, Queen Anne's, Talbot	59 min
Sep 23, 9:46 AM EDT	Severe Thunderstorm Warning	PHI	Caroline, Kent, Queen Anne's, Talbot	44 min
Sep 23, 9:49 AM EDT	Flash Flood Warning	PHI	Kent, Queen Anne's, Talbot	4 hr
Sep 23, 10:35 AM EDT	Severe Thunderstorm Warning	PHI	Caroline, Kent, Queen Anne's	40 min
Sep 23, 10:55 AM EDT	Areal Flood Advisory	PHI	Caroline, Kent, Queen Anne's, Talbot	3 hr

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.