Alert archive / Maryland / Special Weather Statements in 2021

Special Weather Statement, NWS Philadelphia/Mount Holly

July 1, 2021Kent County, Maryland

NWS Philadelphia/Mount Holly issued this special weather statement at Jul 1, 2021, 10:07 PM EDT for Kent County, Maryland. It was in force for 38 min. 2 reports 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, 10:07 PM EDT (02:07 UTC)
Expired
Jul 1, 2021, 10:45 PM EDT
In force
38 min
Issued by
NWS Philadelphia/Mount Holly

County Kent County, MD

The radar

The Dover AFB radar (KDOX), 75 km from the middle of the area, began a volume at 02:09 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

TimeReportWhereRemark
Jul 1, 10:45 PM EDTTSTM WND GST 501 Ne Kingstown, MDMEASURED BY A TEMPEST WEATHER STATION NEAR JUSTIN BUCH DR.
Jul 1, 10:50 PM EDTTSTM WND DMG1 W Sudlersville, MDMULTIPLE TREES WERE REPORTED DOWN NEAR SUDLERSVILLE. TIME ESTIMATED FROM RADAR.

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, 2.1 hours before the alert went out and 120 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-pSkew-T log-p diagram, Washington/Dulle, VA at 00:00Z on 2021-07-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 249 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Washington/Dulle, VA at 00:00Z on 2021-07-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -16 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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.

545 
WWUS81 KPHI 020207
SPSPHI

Special Weather Statement
National Weather Service Mount Holly NJ
1007 PM EDT Thu Jul 1 2021

MDZ012-015-020245-
Queen Anne's-Kent-
1007 PM EDT Thu Jul 1 2021

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT NORTHEASTERN QUEEN
ANNE'S AND KENT COUNTIES...

At 1007 PM EDT, radar indicated strong thunderstorms were located
along a line extending from near Bowleys Quarters to near Gibson
Island. Movement was northeast at 40 mph.

Wind gusts up to 40 mph and pea size hail are possible with these
storms.

Locations impacted include...
Chestertown, Rock Hall, Church Hill, Millington, Sudlersville, Old
Town, Langford, Newtown, Starkey Corner, Morgnec, Massey, Crumpton,
Kennedyville, Galena and Kingstown.

If outdoors, consider seeking shelter inside a building.

LAT...LON 3926 7622 3929 7617 3932 7618 3934 7616
      3933 7614 3936 7611 3936 7606 3938 7606
      3936 7588 3938 7581 3925 7576 3909 7594
      3906 7623 3918 7627
TIME...MOT...LOC 0207Z 234DEG 37KT 3927 7629 3909 7635 

$$

JEO

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 1, 11:31 PM EDTSpecial Weather StatementPHISalem29 min
Jul 1, 11:40 PM EDTSevere Thunderstorm WarningPHIAtlantic, Cumberland, Gloucester, Salem39 min
Jul 2, 4:31 AM EDTAreal Flood WarningPHICumberland6 hr
Jul 2, 10:40 AM EDTAreal Flood WarningPHICumberland6 hr
Jul 2, 11:16 AM EDTAreal Flood AdvisoryPHIBurlington, Camden, Gloucester119 min
Jul 2, 12:12 PM EDTAreal Flood AdvisoryPHIGloucester, Salem97 min
Jul 2, 1:11 PM EDTFlash Flood WarningPHIGloucester, Salem59 min
Jul 2, 1:47 PM EDTAreal Flood AdvisoryPHIAtlantic, Burlington, Camden, Gloucester, Ocean, Salem116 min
Jul 2, 3:48 PM EDTSmall Craft AdvisoryPHI31 hr
Jul 2, 4:47 PM EDTSpecial Weather StatementPHISussex28 min
Jul 2, 6:42 PM EDTSpecial Weather StatementPHIWarren48 min
Jul 2, 6:53 PM EDTSevere Thunderstorm WarningPHIMorris, Sussex, Warren52 min
Jul 2, 7:25 PM EDTSevere Thunderstorm WarningPHIMorris, Sussex, Warren50 min
Jul 2, 7:33 PM EDTSpecial Weather StatementPHICumberland42 min
Jul 2, 7:41 PM EDTFlash Flood WarningPHIBurlington, Camden3 hr
Jul 2, 4:54 PM EDTFlash Flood WarningPHIMontgomery, Philadelphia5 hr
Jul 2, 5:29 PM EDTSpecial Weather StatementPHICarbon46 min
Jul 2, 5:44 PM EDTSevere Thunderstorm WarningPHICarbon, Lehigh, Monroe, Northampton46 min
Jul 1, 9:38 PM EDTSpecial Weather StatementPHIQueen Anne's, Talbot67 min
Jul 1, 10:35 PM EDTSevere Thunderstorm WarningPHIKent, Queen Anne's21 min

Nearby

Special Weather Statements in Maryland, 2021Every 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.