Alert archive / Maryland / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 59, NWS Philadelphia/Mount Holly

June 21, 2016Kent County, Queen Anne's County, Talbot County, Maryland

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 21, 2016, 2:08 PM EDT for Kent County, Queen Anne's County, Talbot County, Maryland. It was in force for 67 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
Jun 21, 2016, 2:08 PM EDT (18:08 UTC)
Expired
Jun 21, 2016, 3:15 PM EDT
In force
67 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

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

The radar

The Dover AFB radar (KDOX), 69 km from the middle of the area, began a volume at 18:10 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 21, 1:06 PM EDTSevere Thunderstorm WatchSPC9 hr

The nearest sounding before it

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 6.1 hours before the alert went out and 60 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, Phillips Aaf/Abe, MD at 12:00Z on 2016-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1292 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, Phillips Aaf/Abe, MD at 12:00Z on 2016-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 150 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
1292 J/kg
Mixed-layer CIN
-69 J/kg
Mixed-layer LCL
1267 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
150 m²/s²
0-3 km storm-relative helicity
191 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.2

Open this sounding in Storm Lab

The text

As transmitted.

804 
WUUS51 KPHI 211808
SVRPHI
MDC029-035-041-211915-
/O.NEW.KPHI.SV.W.0059.160621T1808Z-160621T1915Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
208 PM EDT TUE JUN 21 2016

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ  HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  KENT COUNTY IN NORTHEASTERN MARYLAND...
  NORTH CENTRAL TALBOT COUNTY IN EASTERN MARYLAND...
  CENTRAL QUEEN ANNE'S COUNTY IN NORTHEASTERN MARYLAND...

* UNTIL 315 PM EDT

* AT 207 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM NEAR ROSEDALE TO SEVERN TO NEAR OLNEY...MOVING
  SOUTHEAST AT 40 MPH.

  HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING...AND TREES. 

* SEVERE THUNDERSTORMS WILL BE NEAR...
  ROCK HALL AROUND 240 PM EDT. 
  OLD TOWN AND LANGFORD AROUND 245 PM EDT. 
  GRASONVILLE AND OVERTON AROUND 250 PM EDT. 
  CENTERVILLE...CENTREVILLE AND STARKEY CORNER AROUND 255 PM EDT. 
  HOPE...CARVILLE...COPPERVILLE...WYE MILLS AND STARR AROUND 300 PM 
  EDT. 
  SKIPTON AROUND 305 PM EDT. 
  EASTON AROUND 310 PM EDT. 
  TALBOT AROUND 315 PM EDT. 

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
QUEENSTOWN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...FREQUENT CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE
ENOUGH TO BE STRUCK BY LIGHTNING.

&&

LAT...LON 3901 7621 3915 7628 3924 7623 3905 7588
      3880 7608 3882 7630 3885 7627 3883 7619
      3886 7626 3886 7621 3896 7625 3891 7624
      3890 7625 3894 7627 3884 7637
TIME...MOT...LOC 1807Z 298DEG 35KT 3932 7655 3913 7672 3916 7699 

HAIL...1.00IN
WIND...60MPH
 
$$

ROBERTSON
1 follow-up statement
853 
WWUS51 KPHI 211843
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
243 PM EDT TUE JUN 21 2016

MDC029-035-041-211915-
/O.CON.KPHI.SV.W.0059.000000T0000Z-160621T1915Z/
KENT MD-TALBOT MD-QUEEN ANNE'S MD-
243 PM EDT TUE JUN 21 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR KENT...NORTH CENTRAL TALBOT AND CENTRAL QUEEN ANNE'S COUNTIES...

AT 242 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR LANGFORD TO NEAR STEVENSVILLE TO NEAR PAROLE...
MOVING SOUTHEAST AT 40 MPH.

HAZARD...70 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT CONSIDERABLE 
         TREE DAMAGE. WIND DAMAGE IS ALSO LIKELY TO MOBILE HOMES...
         ROOFS...AND OUTBUILDINGS. 

THESE SEVERE STORMS WILL BE NEAR...
  ROCK HALL AND LANGFORD AROUND 245 PM EDT. 
  OLD TOWN...GRASONVILLE AND OVERTON AROUND 250 PM EDT. 
  CENTERVILLE...CENTREVILLE AND STARKEY CORNER AROUND 255 PM EDT. 
  HOPE...CARVILLE...WYE MILLS AND STARR AROUND 300 PM EDT. 
  SKIPTON AROUND 305 PM EDT. 
  EASTON AROUND 310 PM EDT. 
  TALBOT AND COPPERVILLE AROUND 315 PM EDT. 

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
QUEENSTOWN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WARNING IS ALSO IN EFFECT FOR A PORTION OF THE AREA AS
WELL.

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM...AND
THE STORM WILL AFFECT THE BEACHES. FOR YOUR SAFETY...IMMEDIATELY MOVE
OFF THE BEACH AND SEEK SHELTER INDOORS.

&&

LAT...LON 3901 7621 3915 7628 3924 7623 3905 7588
      3880 7608 3882 7630 3885 7627 3883 7619
      3886 7626 3886 7621 3896 7625 3891 7624
      3890 7625 3894 7627 3884 7637
TIME...MOT...LOC 1842Z 298DEG 35KT 3916 7617 3897 7634 3900 7661 

HAIL...1.00IN
WIND...70MPH
 
$$

ROBERTSON

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 21, 3:37 AM EDTSpecial Weather StatementPHICaroline83 min
Jun 21, 1:52 PM EDTSevere Thunderstorm WarningPHICecil, Kent, Queen Anne's53 min
Jun 21, 2:17 PM EDTSevere Thunderstorm WarningPHICaroline, Kent, Queen Anne's58 min
Jun 21, 2:32 PM EDTTornado WarningPHIKent, Queen Anne's, Talbot28 min
Jun 21, 2:51 PM EDTSevere Thunderstorm WarningPHICaroline, Queen Anne's54 min
Jun 21, 2:55 PM EDTSevere Thunderstorm WarningPHICaroline, Queen Anne's, Talbot65 min
Jun 21, 3:36 PM EDTSevere Thunderstorm WarningPHICaroline, Talbot54 min
Jun 21, 3:52 PM EDTSevere Thunderstorm WarningPHICaroline, Queen Anne's, Talbot53 min
Jun 21, 6:36 PM EDTSevere Thunderstorm WarningPHICaroline, Kent, Queen Anne's, Talbot54 min
Jun 21, 7:20 PM EDTSevere Thunderstorm WarningPHICaroline, Queen Anne's40 min

Nearby

Severe Thunderstorm Warnings in Maryland, 2016Every severe thunderstorm warning in 2016

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.