Alert archive / Maryland / Special Weather Statements in 2021

Special Weather Statement, NWS Philadelphia/Mount Holly

October 25, 2021Talbot County, Maryland

NWS Philadelphia/Mount Holly issued this special weather statement at Oct 25, 2021, 5:06 PM EDT for Talbot County, Maryland. It was in force for 39 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
Oct 25, 2021, 5:06 PM EDT (21:06 UTC)
Expired
Oct 25, 2021, 5:45 PM EDT
In force
39 min
Issued by
NWS Philadelphia/Mount Holly
Hail
0.00 in
Wind
40

County Talbot County, MD

The radar

The Dover AFB radar (KDOX), 70 km from the middle of the area, began a volume at 21:06 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
Oct 25, 5:14 PM EDTTSTM WND GST 452 S Tilghman Island, MDBLACKWALNUT HARBOR WEATHERFLOW.

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 12:00Z, 9.1 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-pSkew-T log-p diagram, Washington/Dulle, VA at 12:00Z on 2021-10-25Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Washington/Dulle, VA at 12:00Z on 2021-10-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 213 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
1230 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
213 m²/s²
0-3 km storm-relative helicity
196 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

748 
WWUS81 KPHI 252106
SPSPHI

Special Weather Statement
National Weather Service Mount Holly NJ
506 PM EDT Mon Oct 25 2021
 
MDZ015-019-020-252145-
Queen Anne's MD-Talbot MD-Caroline MD-
506 PM EDT Mon Oct 25 2021

...Strong thunderstorms will impact portions of Talbot, southwestern
Queen Anne's and southwestern Caroline Counties through 545 PM EDT...

At 504 PM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from Breezy Point to Cambridge. Movement was north
at 45 mph.

HAZARD...Wind gusts up to 40 mph.

SOURCE...Radar indicated. Numerous measured wind gusts of around 40 
         mph have also been observed with these storms.

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

Locations impacted include...
Easton, Talbot, Ridgely, Trappe, St. Michaels, Oxford, Queen Anne,
Grasonville, Starr, Copperville, Jumptown, Windyhill, Tanyard,
Tilghman Island, Stevensville, Skipton, Chester, Matthews, Wye Mills
and Hambleton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

&&

LAT...LON 3892 7637 3904 7631 3897 7622 3902 7618
      3895 7586 3859 7599 3864 7615 3876 7622
      3871 7628 3878 7629 3876 7632 3867 7634
      3875 7637 3886 7626 3883 7619 3897 7625
      3891 7631 3896 7631 3884 7637
TIME...MOT...LOC 2104Z 190DEG 38KT 3863 7648 3858 7607 

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

$$

JEO

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 25, 3:12 AM EDTGale WatchPHI13 hr
Oct 25, 4:15 PM EDTGale WarningPHI46 hr
Oct 25, 6:03 PM EDTSpecial Marine WarningPHI57 min
Oct 25, 6:27 PM EDTSpecial Weather StatementPHISalem33 min
Oct 25, 6:33 PM EDTSevere Thunderstorm WarningPHISalem42 min
Oct 25, 7:02 PM EDTSpecial Weather StatementPHICamden, Gloucester, Salem43 min
Oct 25, 7:34 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Gloucester26 min
Oct 25, 6:57 PM EDTSevere Thunderstorm WarningPHIBerks, Chester, Delaware48 min
Oct 25, 7:43 PM EDTSpecial Weather StatementPHIBucks, Montgomery47 min
Oct 25, 4:15 PM EDTSpecial Weather StatementPHISussex30 min
Oct 25, 5:27 PM EDTSpecial Weather StatementPHIKent33 min
Oct 25, 5:42 PM EDTSpecial Weather StatementPHIKent, Queen Anne's48 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.