Alert archive / Maryland / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 57, NWS Philadelphia/Mount Holly

June 25, 20144 counties in Maryland

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 25, 2014, 10:59 PM EDT for 4 counties in Maryland. It was in force for 61 min. 2 reports 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
Jun 25, 2014, 10:59 PM EDT (02:59 UTC)
Expired
Jun 26, 2014, 12:00 AM EDT
In force
61 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon

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

What was reported inside it

TimeReportWhereRemark
Jun 25, 11:30 PM EDTTSTM WND DMGEaston, MDTREES DOWN IN EASTON.
Jun 25, 11:47 PM EDTTSTM WND DMGRidgely, MDTREE DOWN IN RIDGELY.

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 00:00Z, 3.0 hours before the alert went out and 101 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 2014-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1049 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 2014-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 73 square meters per square second.193958Sfc1 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
1049 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
1006 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
73 m²/s²
0-3 km storm-relative helicity
64 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

753 
WUUS51 KPHI 260259
SVRPHI
MDC011-029-035-041-260400-
/O.NEW.KPHI.SV.W.0057.140626T0259Z-140626T0400Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1059 PM EDT WED JUN 25 2014

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN KENT COUNTY IN NORTHEAST MARYLAND...
  CAROLINE COUNTY IN EASTERN MARYLAND...
  SOUTHERN QUEEN ANNE'S COUNTY IN NORTHEAST MARYLAND...
  NORTHERN TALBOT COUNTY IN EASTERN MARYLAND...

* UNTIL MIDNIGHT EDT

* AT 1058 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM. THE STORM WAS NEAR BAY RIDGE...MOVING EAST AT
  35 MPH. THIS STORM IS CAPABLE OF PRODUCING ONE INCH DIAMETER
  HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. 

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  ROMANCOKE AND KENT POINT AROUND 1105 PM EDT...
  CHESTER AND STEVENSVILLE AROUND 1110 PM EDT...
  GRASONVILLE AND TALBOT AROUND 1115 PM EDT...
  GRASONVILLE AND ST. MICHAELS AROUND 1120 PM EDT...
  COPPERVILLE AROUND 1125 PM EDT...
  WYE MILLS AND CENTREVILLE AROUND 1130 PM EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...MOVE INDOORS TO A
STURDY BUILDING AND STAY AWAY FROM WINDOWS. WHEN IT IS SAFE TO DO
SO...REPORT SEVERE WEATHER TO LOCAL LAW ENFORCEMENT OR TO THE
NATIONAL WEATHER SERVICE.

&&

LAT...LON 3894 7637 3905 7631 3899 7627 3900 7618
      3903 7625 3911 7625 3908 7576 3871 7578
      3877 7633 3887 7626 3881 7621 3882 7620
      3894 7624 3890 7624 3893 7628 3889 7627
      3891 7632 3886 7632 3883 7638 3884 7639
TIME...MOT...LOC 0259Z 277DEG 28KT 3893 7640

$$

FORECASTER: HEAVENER
2 follow-up statements
719 
WWUS51 KPHI 260333
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1133 PM EDT WED JUN 25 2014

MDC029-260343-
/O.CAN.KPHI.SV.W.0057.000000T0000Z-140626T0400Z/
KENT MD-
1133 PM EDT WED JUN 25 2014

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN KENT COUNTY IS
CANCELLED...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...MOVE INDOORS TO A
STURDY BUILDING AND STAY AWAY FROM WINDOWS. WHEN IT IS SAFE TO DO
SO...REPORT SEVERE WEATHER TO LOCAL LAW ENFORCEMENT OR TO THE
NATIONAL WEATHER SERVICE.

LAT...LON 3898 7621 3900 7618 3903 7620 3910 7614
      3908 7576 3871 7578 3875 7615 3882 7612
      3890 7621 3899 7624
TIME...MOT...LOC 0333Z 277DEG 28KT 3890 7606

$$

MDC011-035-041-260400-
/O.CON.KPHI.SV.W.0057.000000T0000Z-140626T0400Z/
CAROLINE MD-QUEEN ANNE'S MD-TALBOT MD-
1133 PM EDT WED JUN 25 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EDT
FOR NORTHEASTERN TALBOT...SOUTHERN QUEEN ANNE'S AND CENTRAL CAROLINE
COUNTIES...

AT 1132 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR SKIPTON...OR 10 MILES
SOUTH OF CENTERVILLE...MOVING EAST AT 30 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  CORDOVA BY 1140 PM EDT...
  HILLSBORO...QUEEN ANNE...MATTHEWS AND JUMPTOWN BY 1145 PM EDT...
  GRIFFIN AND RIDGELY BY 1150 PM EDT...
  DENTON BY 1155 PM EDT...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...MOVE INDOORS TO A
STURDY BUILDING AND STAY AWAY FROM WINDOWS. WHEN IT IS SAFE TO DO
SO...REPORT SEVERE WEATHER TO LOCAL LAW ENFORCEMENT OR TO THE
NATIONAL WEATHER SERVICE.

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 3898 7621 3900 7618 3903 7620 3910 7614
      3908 7576 3871 7578 3875 7615 3882 7612
      3890 7621 3899 7624
TIME...MOT...LOC 0333Z 277DEG 28KT 3890 7606

$$

HEAVENER
116 
WWUS51 KPHI 260357
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1157 PM EDT WED JUN 25 2014

MDC011-035-041-260407-
/O.EXP.KPHI.SV.W.0057.000000T0000Z-140626T0400Z/
CAROLINE MD-QUEEN ANNE'S MD-TALBOT MD-
1157 PM EDT WED JUN 25 2014

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN TALBOT...SOUTHERN
QUEEN ANNE'S AND CENTRAL CAROLINE COUNTIES WILL EXPIRE AT MIDNIGHT
EDT...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...MOVE INDOORS TO A
STURDY BUILDING AND STAY AWAY FROM WINDOWS. WHEN IT IS SAFE TO DO
SO...REPORT SEVERE WEATHER TO LOCAL LAW ENFORCEMENT OR TO THE
NATIONAL WEATHER SERVICE.

LAT...LON 3898 7621 3900 7618 3903 7620 3910 7614
      3908 7576 3871 7578 3875 7615 3882 7612
      3890 7621 3899 7624
TIME...MOT...LOC 0357Z 277DEG 28KT 3888 7582

$$

HEAVENER

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 10:17 PM EDTAreal Flood AdvisoryPHICecil3 hr
Jun 25, 10:27 PM EDTSpecial Weather StatementPHICaroline, Kent, Queen Anne's, Talbot63 min
Jun 25, 11:29 PM EDTSpecial Weather StatementPHIKent76 min
Jun 25, 11:55 PM EDTSpecial Weather StatementPHICaroline65 min
Jun 26, 12:53 AM EDTAreal Flood AdvisoryPHICaroline, Queen Anne's, Talbot3 hr

Nearby

Severe Thunderstorm Warnings in Maryland, 2014Every severe thunderstorm warning in 2014

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.