Alert archive / Maryland / Special Weather Statements in 2023

Special Weather Statement, NWS Philadelphia/Mount Holly

July 16, 2023Kent County, Delaware; Caroline County, Queen Anne's County, Maryland

NWS Philadelphia/Mount Holly issued this special weather statement at Jul 16, 2023, 1:21 AM EDT for Kent County, Delaware; Caroline County, Queen Anne's County, Maryland. It was in force for 24 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
Jul 16, 2023, 1:21 AM EDT (05:21 UTC)
Expired
Jul 16, 2023, 1:45 AM EDT
In force
24 min
Issued by
NWS Philadelphia/Mount Holly
Hail
0.00 in
Wind
40

Counties Kent County, DE, Caroline County, MD, Queen Anne's County, MD

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 00:00Z, 5.4 hours before the alert went out and 104 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 2023-07-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1553 joules per kilogram.LCLEL10008507005003002001001 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 2023-07-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 49 square meters per square second.1939Sfc1 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
1553 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
1074 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
49 m²/s²
0-3 km storm-relative helicity
80 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.1

Open this sounding in Storm Lab

The text

As transmitted.

286 
WWUS81 KPHI 160521
SPSPHI

Special Weather Statement
National Weather Service Mount Holly NJ
121 AM EDT Sun Jul 16 2023
 
DEZ002-003-MDZ012-015-019-020-160545-
Inland Sussex DE-Kent DE-Queen Anne's MD-Talbot MD-Kent MD-
Caroline MD-
121 AM EDT Sun Jul 16 2023

...A strong thunderstorm will impact portions of west central Sussex,
southwestern Kent, northern Talbot, Queen Anne's, Caroline and
southwestern Kent Counties through 145 AM EDT...

At 120 AM EDT, Doppler radar was tracking a strong thunderstorm over
Wye Mills, or near Centerville, moving northeast at 30 mph.

HAZARD...Wind gusts up to 40 mph.

SOURCE...Radar indicated.

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

Locations impacted include...
Dover, Easton, Centerville, Talbot, Chestertown, Denton, Centreville,
Harrington, Camden, Greensboro, Oakland, Ridgely, Rock Hall, St.
Michaels, Church Hill, Sudlersville, Goldsboro, Queen Anne, Woodside
and Viola.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3895 7636 3903 7632 3897 7622 3900 7617
      3901 7620 3901 7621 3915 7628 3924 7623
      3916 7542 3876 7565 3879 7631 3885 7627
      3881 7620 3897 7625 3891 7624 3896 7631
      3884 7637 3884 7638
TIME...MOT...LOC 0520Z 205DEG 24KT 3895 7608 

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

$$

SFJ

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 16, 2:22 AM EDTSpecial Marine WarningPHI53 min
Jul 16, 2:47 AM EDTSpecial Weather StatementPHIGloucester, Salem28 min
Jul 16, 3:08 AM EDTSpecial Marine WarningPHI42 min
Jul 16, 3:40 AM EDTFlash Flood WarningPHISussex, Warren7 hr
Jul 16, 4:05 AM EDTFlash Flood WarningPHIHunterdon, Warren6 hr
Jul 16, 4:14 AM EDTSpecial Weather StatementPHIHunterdon31 min
Jul 16, 4:38 AM EDTTornado WarningPHIHunterdon, Somerset37 min
Jul 16, 4:50 AM EDTSpecial Weather StatementPHIBurlington, Ocean25 min
Jul 16, 5:07 AM EDTTornado WarningPHIHunterdon, Morris, Somerset38 min
Jul 16, 5:13 AM EDTFlash Flood WarningPHISussex, Warren4 hr
Jul 16, 5:16 AM EDTSpecial Weather StatementPHIOcean29 min
Jul 16, 5:26 AM EDTFlash Flood WarningPHIHunterdon, Morris, Sussex, Warren4 hr
Jul 16, 5:31 AM EDTTornado WarningPHIMorris, Somerset, Sussex29 min
Jul 16, 5:44 AM EDTSpecial Marine WarningPHI61 min
Jul 16, 5:45 AM EDTSpecial Weather StatementPHIMonmouth30 min
Jul 16, 5:58 AM EDTTornado WarningPHIMorris32 min
Jul 16, 7:52 AM EDTSpecial Marine WarningPHI53 min
Jul 16, 8:40 AM EDTSpecial Marine WarningPHI47 min
Jul 16, 10:54 AM EDTAreal Flood WarningPHIWarren5 hr
Jul 16, 11:08 AM EDTFlash Flood WarningPHIGloucester, Salem3 hr
Jul 16, 11:36 AM EDTFlash Flood WarningPHIMiddlesex, Somerset3 hr
Jul 16, 12:22 PM EDTAreal Flood AdvisoryPHIMercer3 hr
Jul 16, 12:26 PM EDTAreal Flood AdvisoryPHIBurlington, Camden3 hr
Jul 16, 1:47 PM EDTAreal Flood AdvisoryPHIGloucester, Salem80 min
Jul 16, 1:50 PM EDTSpecial Marine WarningPHI85 min
Jul 16, 2:20 PM EDTAreal Flood AdvisoryPHIMiddlesex, Somerset72 min
Jul 16, 2:42 PM EDTSpecial Weather StatementPHICape May48 min
Jul 16, 3:09 PM EDTSpecial Marine WarningPHI51 min
Jul 16, 6:17 PM EDTAreal Flood WarningPHIWarren10 hr
Jul 16, 6:19 PM EDTAreal Flood WarningPHIWarren10 hr
Jul 15, 8:37 PM EDTAreal Flood AdvisoryPHICarbon19 min
Jul 15, 8:44 PM EDTSevere Thunderstorm WarningPHICarbon, Monroe30 min
Jul 15, 8:56 PM EDTFlash Flood WarningPHICarbon95 min
Jul 16, 12:50 AM EDTSpecial Weather StatementPHIBerks25 min
Jul 16, 1:41 AM EDTSpecial Weather StatementPHICarbon, Lehigh34 min
Jul 16, 2:12 AM EDTSpecial Weather StatementPHICarbon, Lehigh, Monroe33 min
Jul 16, 2:43 AM EDTFlash Flood WarningPHICarbon, Lehigh, Monroe, Northampton4 hr
Jul 16, 9:12 AM EDTFlash Flood WarningPHIChester2 hr
Jul 16, 9:40 AM EDTFlash Flood WarningPHIBucks, Chester, Delaware, Montgomery, Philadelphia3 hr
Jul 16, 9:53 AM EDTTornado WarningPHIMontgomery, Philadelphia37 min
Jul 16, 6:44 PM EDTAreal Flood AdvisoryPHIBucks90 min
Jul 16, 3:09 AM EDTSpecial Weather StatementPHIKent36 min
Jul 16, 3:54 AM EDTFlash Flood WarningPHIKent, Sussex4 hr
Jul 16, 7:02 AM EDTFlash Flood WarningPHISussex108 min
Jul 16, 12:19 PM EDTAreal Flood AdvisoryPHIKent, Sussex60 min
Jul 16, 1:08 PM EDTAreal Flood AdvisoryPHIKent, New Castle3 hr
Jul 16, 1:19 PM EDTFlash Flood Warning Considerable damage threatPHIKent, Sussex4 hr
Jul 16, 1:42 PM EDTSpecial Weather StatementPHIKent33 min
Jul 16, 2:23 PM EDTAreal Flood AdvisoryPHISussex71 min
Jul 16, 3:34 PM EDTFlash Flood WarningPHISussex116 min
Jul 16, 2:17 AM EDTSpecial Weather StatementPHIKent, Queen Anne's28 min

Nearby

Special Weather Statements in Maryland, 2023Special Weather Statements in Delaware, 2023Every special weather statement in 2023

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.