Alert archive / Maryland / Special Weather Statements in 2020

Special Weather Statement, NWS Philadelphia/Mount Holly

April 8, 2020Kent County, Queen Anne's County, Maryland

NWS Philadelphia/Mount Holly issued this special weather statement at Apr 8, 2020, 12:09 AM EDT for Kent County, Queen Anne's County, Maryland. It was in force for 51 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
Apr 8, 2020, 12:09 AM EDT (04:09 UTC)
Expired
Apr 8, 2020, 1:00 AM EDT
In force
51 min
Issued by
NWS Philadelphia/Mount Holly

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 04:08 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 00:00Z, 4.2 hours before the alert went out and 118 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 2020-04-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 14 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Washington/Dulle, VA at 00:00Z on 2020-04-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 76 square meters per square second.1939587897117Sfc1 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
14 J/kg
Mixed-layer CIN
-214 J/kg
Mixed-layer LCL
1167 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
76 m²/s²
0-3 km storm-relative helicity
118 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

705 
WWUS81 KPHI 080409
SPSPHI

Special Weather Statement
National Weather Service Mount Holly NJ
1209 AM EDT Wed Apr 8 2020

DEZ002-MDZ012-015-020-080500-
Kent-Queen Anne's-Kent-Caroline-
1209 AM EDT Wed Apr 8 2020

...AN AREA OF STRONG THUNDERSTORMS WILL AFFECT WESTERN KENT...QUEEN
ANNE'S...NORTHEASTERN CAROLINE AND KENT COUNTIES...

At 1209 AM EDT, strong thunderstorms were clustered over Langford, or
10 miles northwest of Centerville, moving east at 40 mph.

Half inch hail is possible with this storm.

Locations impacted include...
Dover, Centerville, Chestertown, Centreville, Greensboro, Oakland,
Ridgely, Cheswold, Rock Hall, Church Hill, Millington, Sudlersville,
Goldsboro, Hartly, Old Town, Newtown, Hazlettville, Morgnec, Crumpton
and Sandtown.

LAT...LON 3928 7620 3929 7617 3930 7618 3932 7618
      3934 7616 3933 7614 3935 7613 3922 7552
      3887 7567 3908 7623 3913 7625
TIME...MOT...LOC 0409Z 277DEG 35KT 3917 7616 

$$

NC

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 7, 9:30 PM EDTCoastal Flood AdvisoryPHIAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 4 more33 hr
Apr 8, 2:30 AM EDTSevere Thunderstorm WarningPHICamden, Gloucester30 min
Apr 8, 2:35 AM EDTSpecial Weather StatementPHICamden25 min
Apr 8, 2:40 AM EDTSpecial Weather StatementPHIHunterdon35 min
Apr 8, 2:51 AM EDTSpecial Weather StatementPHICumberland24 min
Apr 8, 2:58 AM EDTSpecial Weather StatementPHIBurlington32 min
Apr 8, 3:13 AM EDTSpecial Weather StatementPHIHunterdon, Mercer, Middlesex32 min
Apr 8, 3:25 AM EDTSpecial Weather StatementPHIBurlington, Ocean35 min
Apr 8, 3:50 AM EDTGale WatchPHI24 hr
Apr 8, 4:21 AM EDTSpecial Weather StatementPHICumberland39 min
Apr 8, 4:52 AM EDTSpecial Marine WarningPHI83 min
Apr 8, 4:56 AM EDTSpecial Weather StatementPHIAtlantic, Cape May, Cumberland64 min
Apr 8, 3:24 PM EDTGale WarningPHI58 hr
Apr 8, 7:19 PM EDTWind AdvisoryPHIAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 10 more24 hr
Apr 8, 1:53 AM EDTSpecial Weather StatementPHICarbon, Lehigh, Northampton37 min
Apr 8, 1:55 AM EDTSpecial Weather StatementPHIChester, Delaware50 min
Apr 8, 1:59 AM EDTSpecial Weather StatementPHIBerks46 min
Apr 7, 11:10 PM EDTSpecial Weather StatementPHISussex35 min
Apr 7, 11:48 PM EDTSevere Thunderstorm WarningPHISussex27 min
Apr 8, 12:53 AM EDTSpecial Weather StatementPHIKent52 min
Apr 8, 1:06 AM EDTSpecial Weather StatementPHINew Castle39 min
Apr 7, 11:21 PM EDTSpecial Weather StatementPHICaroline39 min

Nearby

Special Weather Statements in Maryland, 2020Every special weather statement in 2020

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.