Alert archive / Maryland / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 164, NWS Philadelphia/Mount Holly

September 12, 2022Kent County, Queen Anne's County, Maryland

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Sep 12, 2022, 8:27 PM EDT for Kent County, Queen Anne's County, Maryland. It was in force for 28 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
Sep 12, 2022, 8:27 PM EDT (00:27 UTC)
Expired
Sep 12, 2022, 8:55 PM EDT
In force
28 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

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

The radar

The Dover AFB radar (KDOX), 66 km from the middle of the area, began a volume at 00:31 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, 0.5 hours before the alert went out and 131 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 2022-09-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 212 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 2022-09-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -1 square meters per square second.1939587897Sfc1 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
212 J/kg
Mixed-layer CIN
-102 J/kg
Mixed-layer LCL
890 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
-1 m²/s²
0-3 km storm-relative helicity
-6 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

406 
WUUS51 KPHI 130027
SVRPHI
MDC029-035-130115-
/O.NEW.KPHI.SV.W.0164.220913T0027Z-220913T0115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
827 PM EDT Mon Sep 12 2022

The National Weather Service in Mount Holly NJ has issued a

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

* Until 915 PM EDT.

* At 827 PM EDT, a severe thunderstorm was located over Centreville,
  or over Centerville, moving northeast at 30 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Centerville, Chestertown, Centreville, Church Hill, Millington,
  Sudlersville, Old Town, Starr, Starkey Corner, Morgnec, Massey,
  Crumpton, Carville, Kennedyville, Hope, Galena, Barclay and
  Kingstown.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3937 7599 3938 7597 3938 7595 3937 7594
      3937 7593 3931 7576 3920 7575 3894 7598
      3903 7618
TIME...MOT...LOC 0027Z 209DEG 27KT 3906 7604 

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

$$

RCM
2 follow-up statements
026 
WWUS51 KPHI 130047
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
847 PM EDT Mon Sep 12 2022

MDC029-035-130115-
/O.CON.KPHI.SV.W.0164.000000T0000Z-220913T0115Z/
Queen Anne's MD-Kent MD-
847 PM EDT Mon Sep 12 2022

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM EDT
FOR NORTHEASTERN QUEEN ANNE'S AND NORTHEASTERN KENT COUNTIES...

At 847 PM EDT, a severe thunderstorm was located near Crumpton, or 12
miles northeast of Centerville, moving northeast at 30 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Chestertown, Church Hill, Millington, Sudlersville, Starkey Corner,
Morgnec, Massey, Crumpton, Kennedyville, Galena, Barclay and
Kingstown.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3937 7599 3938 7597 3938 7595 3937 7594
      3937 7593 3931 7576 3920 7575 3905 7591
      3912 7611
TIME...MOT...LOC 0047Z 209DEG 27KT 3920 7594 

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

$$

RCM
128 
WWUS51 KPHI 130055
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
855 PM EDT Mon Sep 12 2022

MDC029-035-130105-
/O.CAN.KPHI.SV.W.0164.000000T0000Z-220913T0115Z/
Queen Anne's MD-Kent MD-
855 PM EDT Mon Sep 12 2022

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN QUEEN ANNE'S AND
NORTHEASTERN KENT COUNTIES IS CANCELLED...
                
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 has been cancelled.  However gusty winds and
heavy rain are still possible with this thunderstorm.

LAT...LON 3937 7599 3938 7597 3938 7595 3937 7594
      3937 7593 3931 7576 3920 7575 3905 7591
      3912 7611
TIME...MOT...LOC 0054Z 209DEG 27KT 3926 7590 

$$

RCM

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.