Alert archive / Maryland / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 145, NWS Philadelphia/Mount Holly

August 2, 2022Caroline County, Kent County, Queen Anne's County, Maryland

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 2, 2022, 1:19 AM EDT for Caroline County, Kent County, Queen Anne's County, Maryland. It was in force for 41 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
Aug 2, 2022, 1:19 AM EDT (05:19 UTC)
Expired
Aug 2, 2022, 2:00 AM EDT
In force
41 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

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

The radar

The Dover AFB radar (KDOX), 69 km from the middle of the area, began a volume at 05:22 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, 5.3 hours before the alert went out and 109 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 2022-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 734 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 2022-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 19 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
734 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
1173 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
19 m²/s²
0-3 km storm-relative helicity
77 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.5

Open this sounding in Storm Lab

The text

As transmitted.

521 
WUUS51 KPHI 020519
SVRPHI
MDC011-029-035-020600-
/O.NEW.KPHI.SV.W.0145.220802T0519Z-220802T0600Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
119 AM EDT Tue Aug 2 2022

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Queen Anne's County in northeastern Maryland...
  Northeastern Caroline County in eastern Maryland...
  Southwestern Kent County in northeastern Maryland...

* Until 200 AM EDT.

* At 119 AM EDT, a severe thunderstorm was located near Rock Hall, or
  7 miles northwest of Centerville, moving east at 35 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Damage to roofs, siding, trees, and power lines is 
           possible.

* Locations impacted include...
  Centerville, Centreville, Oakland, Rock Hall, Church Hill,
  Sudlersville, Goldsboro, Old Town, Langford, Overton, Starkey
  Corner, Carville, Hope, Henderson, Marydel, Templeville, Barclay
  and Kingstown.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3918 7627 3922 7575 3898 7573 3900 7617
      3901 7619 3901 7621 3903 7624 3909 7623
      3913 7625 3915 7628 3917 7628
TIME...MOT...LOC 0519Z 267DEG 30KT 3910 7618 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

RCM
2 follow-up statements
844 
WWUS51 KPHI 020537
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
137 AM EDT Tue Aug 2 2022

MDC029-020547-
/O.CAN.KPHI.SV.W.0145.000000T0000Z-220802T0600Z/
Kent MD-
137 AM EDT Tue Aug 2 2022

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN KENT COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3910 7615 3914 7607 3915 7609 3916 7607
      3917 7604 3918 7607 3920 7607 3922 7575
      3899 7573 3898 7573 3900 7617 3901 7619
      3905 7620
TIME...MOT...LOC 0537Z 265DEG 28KT 3912 7605 

$$

MDC011-035-020600-
/O.CON.KPHI.SV.W.0145.000000T0000Z-220802T0600Z/
Queen Anne's MD-Caroline MD-
137 AM EDT Tue Aug 2 2022

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 AM EDT
FOR QUEEN ANNE'S AND NORTHEASTERN CAROLINE COUNTIES...

At 137 AM EDT, a severe thunderstorm was located over Starkey Corner,
or near Centerville, moving east at 35 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Damage to roofs, siding, trees, and power lines is 
         possible.

Locations impacted include...
Centerville, Centreville, Oakland, Church Hill, Sudlersville,
Goldsboro, Starkey Corner, Carville, Hope, Henderson, Marydel,
Templeville, Barclay and Kingstown.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3910 7615 3914 7607 3915 7609 3916 7607
      3917 7604 3918 7607 3920 7607 3922 7575
      3899 7573 3898 7573 3900 7617 3901 7619
      3905 7620
TIME...MOT...LOC 0537Z 265DEG 28KT 3912 7605 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

RCM
452 
WWUS51 KPHI 020553
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
153 AM EDT Tue Aug 2 2022

MDC011-035-020603-
/O.EXP.KPHI.SV.W.0145.000000T0000Z-220802T0600Z/
Queen Anne's MD-Caroline MD-
153 AM EDT Tue Aug 2 2022

...THE SEVERE THUNDERSTORM WARNING FOR QUEEN ANNE'S AND NORTHEASTERN
CAROLINE COUNTIES WILL EXPIRE AT 200 AM EDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However gusty
winds are still possible with this thunderstorm.

LAT...LON 3910 7615 3914 7607 3915 7609 3916 7607
      3917 7604 3918 7607 3920 7607 3922 7575
      3899 7573 3898 7573 3900 7617 3901 7619
      3905 7620
TIME...MOT...LOC 0553Z 267DEG 30KT 3913 7589 

$$

RCM

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 2, 1:10 AM EDTSpecial Weather StatementPHICaroline, Kent, Queen Anne's35 min
Aug 2, 1:54 AM EDTSpecial Weather StatementPHICaroline, Talbot36 min
Aug 2, 2:22 PM EDTHeat AdvisoryPHICaroline, Kent, Queen Anne's, Talbot7 days

Nearby

Severe Thunderstorm Warnings in Maryland, 2022Every severe thunderstorm warning in 2022

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.