Alert archive / Maryland / Special Weather Statements in 2021

Special Weather Statement, NWS Philadelphia/Mount Holly

July 1, 2021Queen Anne's County, Talbot County, Maryland

NWS Philadelphia/Mount Holly issued this special weather statement at Jul 1, 2021, 9:38 PM EDT for Queen Anne's County, Talbot County, Maryland. It was in force for 67 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jul 1, 2021, 9:38 PM EDT (01:38 UTC)
Expired: Jul 1, 2021, 10:45 PM EDT
In force: 67 min
Issued by: NWS Philadelphia/Mount Holly

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

The radar

The Dover AFB radar (KDOX), 70 km from the middle of the area, began a volume at 01:38 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.

What was reported inside it

Time	Report	Where	Remark
Jul 1, 10:15 PM EDT	MARINE TSTM WIND 39	11 Ese Shady Side, MD

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 00:00Z, 1.6 hours before the alert went out and 101 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: 249 J/kg
Mixed-layer CIN: -11 J/kg
Mixed-layer LCL: 1099 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: -16 m²/s²
0-3 km storm-relative helicity: 79 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.7

Open this sounding in Storm Lab

The text

As transmitted.

633 
WWUS81 KPHI 020138
SPSPHI

Special Weather Statement
National Weather Service Mount Holly NJ
938 PM EDT Thu Jul 1 2021

MDZ012-015-019-020-020245-
Queen Anne's-Talbot-Kent-Caroline-
938 PM EDT Thu Jul 1 2021

...A STRONG THUNDERSTORM WILL AFFECT TALBOT...SOUTHWESTERN QUEEN
ANNE'S...SOUTHWESTERN CAROLINE AND SOUTHWESTERN KENT COUNTIES...

At 938 PM EDT, a strong thunderstorm was located near Deale, moving
east at 40 mph.

Wind gusts up to 40 mph are possible with this storm.

Locations impacted include...
Easton, Centerville, Talbot, Centreville, St. Michaels, Oxford, Queen
Anne, Tanyard, Grasonville, Starr, Tilghman Island, Stevensville,
Skipton, Copperville, Chester, Wye Mills, Hambleton, Windyhill,
Cordova and Carville.

If outdoors, consider seeking shelter inside a building.

LAT...LON 3886 7626 3879 7620 3879 7619 3897 7625
      3891 7624 3896 7631 3884 7637 3884 7638
      3903 7632 3897 7622 3900 7617 3907 7621
      3909 7595 3866 7596 3870 7623 3877 7624
      3872 7630 3878 7629 3872 7634 3875 7638
TIME...MOT...LOC 0138Z 274DEG 33KT 3883 7663 

$$

Iovino

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 1, 11:31 PM EDT	Special Weather Statement	PHI	Salem	29 min
Jul 1, 11:40 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Cumberland, Gloucester, Salem	39 min
Jul 2, 4:31 AM EDT	Areal Flood Warning	PHI	Cumberland	6 hr
Jul 2, 10:40 AM EDT	Areal Flood Warning	PHI	Cumberland	6 hr
Jul 2, 11:16 AM EDT	Areal Flood Advisory	PHI	Burlington, Camden, Gloucester	119 min
Jul 2, 12:12 PM EDT	Areal Flood Advisory	PHI	Gloucester, Salem	97 min
Jul 2, 1:11 PM EDT	Flash Flood Warning	PHI	Gloucester, Salem	59 min
Jul 2, 1:47 PM EDT	Areal Flood Advisory	PHI	Atlantic, Burlington, Camden, Gloucester, Ocean, Salem	116 min
Jul 2, 3:48 PM EDT	Small Craft Advisory	PHI		31 hr
Jul 2, 4:47 PM EDT	Special Weather Statement	PHI	Sussex	28 min
Jul 2, 6:42 PM EDT	Special Weather Statement	PHI	Warren	48 min
Jul 2, 6:53 PM EDT	Severe Thunderstorm Warning	PHI	Morris, Sussex, Warren	52 min
Jul 2, 7:25 PM EDT	Severe Thunderstorm Warning	PHI	Morris, Sussex, Warren	50 min
Jul 2, 7:33 PM EDT	Special Weather Statement	PHI	Cumberland	42 min
Jul 2, 7:41 PM EDT	Flash Flood Warning	PHI	Burlington, Camden	3 hr
Jul 2, 4:54 PM EDT	Flash Flood Warning	PHI	Montgomery, Philadelphia	5 hr
Jul 2, 5:29 PM EDT	Special Weather Statement	PHI	Carbon	46 min
Jul 2, 5:44 PM EDT	Severe Thunderstorm Warning	PHI	Carbon, Lehigh, Monroe, Northampton	46 min
Jul 1, 10:07 PM EDT	Special Weather Statement	PHI	Kent	38 min
Jul 1, 10:35 PM EDT	Severe Thunderstorm Warning	PHI	Kent, Queen Anne's	21 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.