Alert archive / Maryland / Special Weather Statements in 2021

Special Weather Statement, NWS Philadelphia/Mount Holly

May 8, 2021Caroline County, Maryland

NWS Philadelphia/Mount Holly issued this special weather statement at May 8, 2021, 3:50 PM EDT for Caroline County, Maryland. It was in force for 25 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
May 8, 2021, 3:50 PM EDT (19:50 UTC)
Expired
May 8, 2021, 4:15 PM EDT
In force
25 min
Issued by
NWS Philadelphia/Mount Holly

County Caroline County, MD

The radar

The Dover AFB radar (KDOX), 46 km from the middle of the area, began a volume at 19:50 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

Wallops Is Stn, VA (KWAL), launched 12:00Z, 7.8 hours before the alert went out and 106 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, Wallops Is Stn, VA at 12:00Z on 2021-05-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Wallops Is Stn, VA at 12:00Z on 2021-05-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 47 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1134 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
47 m²/s²
0-3 km storm-relative helicity
47 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

115 
WWUS81 KPHI 081950
SPSPHI

Special Weather Statement
National Weather Service Mount Holly NJ
350 PM EDT Sat May 8 2021

MDZ019-020-082015-
Talbot-Caroline-
350 PM EDT Sat May 8 2021

...A SHOWER WILL AFFECT NORTHEASTERN TALBOT AND SOUTHERN CAROLINE
COUNTIES...

At 350 PM EDT, a shower was located near Cordova, or near Easton,
moving southeast at 30 mph.

Wind gusts up to 40 mph and pea size hail are possible with this
shower.

Locations impacted include...
Easton, Preston, Agner, Matthews, Choptank, Tanyard, Harmony,
Smithville, Griffin, Windyhill, Skipton and Cordova.

If outdoors, consider seeking shelter inside a building.

LAT...LON 3888 7613 3889 7610 3891 7611 3894 7608
      3882 7572 3879 7572 3869 7580 3871 7584
      3870 7587 3870 7590 3866 7596 3865 7596
      3864 7598 3879 7619
TIME...MOT...LOC 1950Z 296DEG 26KT 3884 7605 

$$

SFJ

The office that day

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

IssuedProductOfficeCountiesLasted
May 8, 11:22 AM EDTSpecial Weather StatementPHIMonmouth38 min
May 8, 1:12 PM EDTSpecial Weather StatementPHIMonmouth33 min
May 8, 1:15 PM EDTAreal Flood AdvisoryPHIMiddlesex, Monmouth58 min
May 8, 1:45 PM EDTSpecial Weather StatementPHIOcean15 min
May 8, 2:01 PM EDTSpecial Weather StatementPHIOcean14 min
May 8, 2:34 PM EDTSmall Craft AdvisoryPHI7 hr
May 8, 2:42 PM EDTSpecial Weather StatementPHIMiddlesex, Monmouth, Morris48 min
May 8, 2:47 PM EDTSpecial Marine WarningPHI31 min
May 8, 3:04 PM EDTSpecial Weather StatementPHISalem26 min
May 8, 3:23 PM EDTSpecial Weather StatementPHISalem37 min
May 8, 3:43 PM EDTSpecial Marine WarningPHI62 min
May 8, 3:46 PM EDTSpecial Weather StatementPHISomerset29 min
May 8, 3:53 PM EDTSpecial Marine WarningPHI56 min
May 8, 4:01 PM EDTSpecial Marine WarningPHI48 min
May 8, 4:16 PM EDTSpecial Weather StatementPHICumberland29 min
May 8, 4:21 PM EDTSpecial Weather StatementPHIHunterdon, Middlesex, Somerset24 min
May 8, 4:28 PM EDTSpecial Marine WarningPHI62 min
May 8, 4:46 PM EDTSpecial Weather StatementPHIHunterdon, Mercer, Middlesex, Somerset29 min
May 8, 5:22 PM EDTSpecial Marine WarningPHI53 min
May 8, 3:39 PM EDTSpecial Weather StatementPHIKent36 min
May 8, 3:54 PM EDTSpecial Weather StatementPHISussex36 min
May 8, 4:15 PM EDTSpecial Weather StatementPHISussex30 min
May 8, 4:33 PM EDTSpecial Weather StatementPHISussex27 min
May 8, 5:56 PM EDTSpecial Weather StatementPHIKent34 min
May 8, 3:21 PM EDTSpecial Weather StatementPHIQueen Anne's24 min
May 8, 4:06 PM EDTSpecial Weather StatementPHICaroline24 min
May 8, 6:47 PM EDTSpecial Weather StatementPHICaroline28 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.