Alert archive / Maryland / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 38, NWS Philadelphia/Mount Holly

June 4, 20085 counties in Maryland

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 4, 2008, 3:17 PM EDT for 5 counties in Maryland. It was in force for 58 min. 3 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 4, 2008, 3:17 PM EDT (19:17 UTC)
Expired: Jun 4, 2008, 4:15 PM EDT
In force: 58 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon

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

What was reported inside it

Time	Report	Where	Remark
Jun 4, 3:54 PM EDT	TSTM WND DMG	3 E St. Michaels, MD	TREES AND WIRES DOWN REPORTED DOWN IN WHITTMAN.
Jun 4, 4:08 PM EDT	TSTM WND DMG	Queenstown, MD	TREE DOWN NEAR ROUTE 50/310 INTERSECTION. OTHER TREES DOWN SCATTERED ON KENT ISLAND
Jun 4, 4:12 PM EDT	TSTM WND DMG	Preston, MD	NUMEROUS TREES DOWN. ALSO DAMAGE TO AN INDUSTRIAL PARK BUILDING.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

Issued	Product	Office	Lasted
Jun 4, 2:53 PM EDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 7.3 hours before the alert went out and 41 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 27 J/kg
Mixed-layer CIN: -57 J/kg
Mixed-layer LCL: 622 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 157 m²/s²
0-3 km storm-relative helicity: 221 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KPHI 041920
SVRPHI
MDC011-015-029-035-041-042015-
/O.NEW.KPHI.SV.W.0038.080604T1917Z-080604T2015Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
317 PM EDT WED JUN 4 2008

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CAROLINE COUNTY IN EASTERN MARYLAND...
  TALBOT COUNTY IN EASTERN MARYLAND...
  CECIL COUNTY IN NORTHEAST MARYLAND...
  KENT COUNTY IN NORTHEAST MARYLAND...
  QUEEN ANNES COUNTY IN NORTHEAST MARYLAND...

* UNTIL 415 PM EDT

* AT 315 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS 
  OF 60 TO 70 MPH. THESE STORMS WERE LOCATED ALONG A                 
  LINE EXTENDING FROM 37 MILES NORTHWEST OF ROCK HALL TO 30 MILES    
  WEST OF TILGHMAN ISLAND...OR ALONG A LINE EXTENDING FROM 55        
  MILES SOUTHWEST OF LANCASTER TO 75 MILES WEST OF DOVER...AND       
  MOVING EAST AT 60 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  TILGHMAN ISLAND...CHESTER AND STEVENSVILLE BY 335 PM...
  ST. MICHAELS...TALBOT...OVERTON AND ROCK HALL BY 340 PM...
  OXFORD...COPPERVILLE AND WYE MILLS BY 345 PM...

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

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM WEDNESDAY EVENING FOR
DELAWARE AND NORTHEASTERN MARYLAND AND SOUTHERN NEW JERSEY AND
SOUTHEAST PENNSYLVANIA.

LAT...LON 3876 7636 3883 7620 3895 7624 3884 7638
      3885 7639 3905 7631 3901 7617 3909 7615
      3910 7615 3901 7619 3927 7622 3938 7600
      3956 7599 3954 7599 3971 7623 3972 7581
      3867 7573 3858 7604 3876 7640 3877 7640
TIME...MOT...LOC 1917Z 270DEG 53KT 3938 7676 3888 7675

$$

GORSE

1 follow-up statement

000 
WWUS51 KPHI 041939
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
338 PM EDT WED JUN 4 2008

MDC011-015-029-035-041-042015-
/O.CON.KPHI.SV.W.0038.000000T0000Z-080604T2015Z/
CAROLINE MD-CECIL MD-KENT MD-QUEEN ANNES MD-TALBOT MD-
338 PM EDT WED JUN 4 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT
FOR TALBOT...QUEEN ANNES...KENT...CECIL AND CAROLINE COUNTIES...

AT 335 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS OF 60 TO 70 MPH. THESE STORMS WERE LOCATED ALONG A LINE 
EXTENDING FROM 27 MILES WEST OF NEWTOWN TO 17 MILES WEST OF 
STEVENSVILLE SOUTH...OR ALONG A LINE EXTENDING FROM 50 MILES SOUTH OF
LANCASTER TO 63 MILES WEST OF DOVER...MOVING EAST AT 60 MPH.

SEVERE THUNDERSTORMS WILL BE NEAR...
  TILGHMAN ISLAND...STEVENSVILLE SOUTH AND STEVENSVILLE BY 345 PM
  EDT...
  CHESTER AND ST. MICHAELS BY 350 PM EDT...
  OXFORD...COPPERVILLE...NEWTOWN AND LANGFORD BY 355 PM EDT...
  HAMBLETON BY 400 PM EDT...

THIS IS A DANGEROUS LINE OF STORMS AND HAS HAD A HISTORY OF 
PRODUCING WIND DAMAGE. IF YOU ARE IN ITS PATH...PREPARE IMMEDIATELY 
FOR DAMAGING WINDS. PEOPLE OUTSIDE SHOULD MOVE TO A 
SHELTER...PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

IN ADDITION TO DAMAGING WINDS...CONTINUOUS CLOUD TO GROUND LIGHTNING 
IS OCCURRING WITH THESE STORMS. MOVE INDOORS IMMEDIATELY LIGHTNING 
IS ONE OF NATURES NUMBER ONE KILLERS. REMEMBER...IF YOU CAN HEAR 
THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM EDT WEDNESDAY EVENING
FOR DELAWARE AND NORTHEASTERN MARYLAND AND SOUTHERN NEW JERSEY AND
SOUTHEAST PENNSYLVANIA.

LAT...LON 3876 7636 3883 7620 3895 7624 3885 7639
      3905 7631 3899 7625 3900 7618 3903 7623
      3902 7616 3927 7622 3938 7600 3956 7599
      3971 7623 3972 7581 3867 7573 3869 7589
      3858 7604 3873 7625 3876 7640 3877 7640
TIME...MOT...LOC 1936Z 270DEG 53KT 3937 7652 3887 7652

$$

GORSE

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 4, 3:58 PM EDT	Tornado Warning	PHI	Caroline, Queen Anne's, Talbot	32 min
Jun 4, 4:14 PM EDT	Severe Thunderstorm Warning	PHI	Caroline, Cecil, Kent, Queen Anne's, Talbot	61 min
Jun 4, 7:17 PM EDT	Severe Thunderstorm Warning	PHI	Caroline, Queen Anne's, Talbot	58 min

Nearby

Severe Thunderstorm Warnings in Maryland, 2008 Every severe thunderstorm warning in 2008

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.