Alert archive / Maryland / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 54, NWS Philadelphia/Mount Holly

June 19, 2014Caroline County, Queen Anne's County, Talbot County, Maryland; Kent County, Sussex County, Delaware

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 19, 2014, 2:01 AM EDT for Caroline County, Queen Anne's County, Talbot County, Maryland; Kent County, Sussex County, Delaware. It was in force for 59 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 19, 2014, 2:01 AM EDT (06:01 UTC)
Expired: Jun 19, 2014, 3:00 AM EDT
In force: 59 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon

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

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 00:00Z, 6.0 hours before the alert went out and 116 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: 1763 J/kg
Mixed-layer CIN: -48 J/kg
Mixed-layer LCL: 1721 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: 7 m²/s²
0-3 km storm-relative helicity: 32 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

438 
WUUS51 KPHI 190601
SVRPHI
DEC001-005-MDC011-035-041-190700-
/O.NEW.KPHI.SV.W.0054.140619T0601Z-140619T0700Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
201 AM EDT THU JUN 19 2014

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN KENT COUNTY IN CENTRAL DELAWARE...
  CENTRAL CAROLINE COUNTY IN EASTERN MARYLAND...
  NORTHWESTERN SUSSEX COUNTY IN SOUTHERN DELAWARE...
  CENTRAL QUEEN ANNE'S COUNTY IN NORTHEAST MARYLAND...
  NORTHEASTERN TALBOT COUNTY IN EASTERN MARYLAND...

* UNTIL 300 AM EDT

* AT 159 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM. THE STORM WAS NEAR HILLSBORO...MOVING EAST AT
  35 MPH. THIS STORM IS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH. 

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  GREENSBORO AND GOLDSBORO AROUND 210 AM EDT...
  SANDTOWN AROUND 220 AM EDT...
  ANDREWSVILLE AROUND 225 AM EDT...
  HARRINGTON AND VIOLA AROUND 230 AM EDT...
  MILFORD AROUND 240 AM EDT...
  BIG STONE BEACH AND SLAUGHTER BEACH AROUND 255 AM 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.

VERY HEAVY RAIN WILL ALSO OCCUR WITH THIS SEVERE THUNDERSTORM...WHICH
COULD FLOOD LOW LYING AREAS QUICKLY AND COVER ROADS WITH WATER. DO
NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS SEVERE
THUNDERSTORM. WHEN THUNDER ROARS...MOVE INDOORS! REMEMBER...IF YOU
CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.

&&

LAT...LON 3902 7603 3910 7539 3906 7539 3902 7533
      3899 7530 3893 7530 3893 7532 3886 7523
      3876 7607
TIME...MOT...LOC 0601Z 261DEG 31KT 3890 7589

$$

NIERENBERG

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 18, 10:51 PM EDT	Special Weather Statement	PHI	Cecil, Kent, Queen Anne's	84 min
Jun 18, 11:36 PM EDT	Severe Thunderstorm Warning	PHI	Cecil, Kent	54 min
Jun 19, 12:43 AM EDT	Special Weather Statement	PHI	Caroline, Cecil, Kent, Queen Anne's, Talbot	2 hr
Jun 19, 1:30 AM EDT	Areal Flood Advisory	PHI	Cecil, Kent	4 hr
Jun 19, 1:43 AM EDT	Flash Flood Warning	PHI	Cecil, Kent, Queen Anne's	4 hr
Jun 19, 5:38 PM EDT	Special Weather Statement	PHI	Talbot	52 min
Jun 19, 1:41 AM EDT	Severe Thunderstorm Warning	PHI	New Castle	64 min

Nearby

Severe Thunderstorm Warnings in Maryland, 2014 Severe Thunderstorm Warnings in Delaware, 2014 Every 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; the sounding from the Mesonet's radiosonde archive.