Alert archive / Maryland / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 72, NWS Philadelphia/Mount Holly

June 2, 2006Kent County, Maryland

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 2, 2006, 9:05 PM EDT for Kent County, Maryland. It was in force for 25 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 2, 2006, 9:05 PM EDT (01:05 UTC)
Expired: Jun 2, 2006, 9:30 PM EDT
In force: 25 min
Issued by: NWS Philadelphia/Mount Holly
Area: Counties, with a storm outline in the text

County Kent County, MD

The radar

The Dover AFB radar (KDOX), 66 km from the middle of the area, began a volume at 01:07 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.

What was reported inside it

Time	Report	Where	Remark
Jun 2, 9:10 PM EDT	TSTM WND DMG	5 Ne Chestertown, MD	TREES DOWN
Jun 2, 9:10 PM EDT	TSTM WND DMG	5 Ne Chestertown, MD	TREES DOWN.
Jun 2, 9:10 PM EDT	TSTM WND DMG	5 Ne Chestertown, MD	TREES DOWN

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, 1.1 hours before the alert went out and 128 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: 1897 J/kg
Mixed-layer CIN: -22 J/kg
Mixed-layer LCL: 789 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 162 m²/s²
0-3 km storm-relative helicity: 199 m²/s²
Significant tornado parameter: 1.2
Supercell composite: 7.2

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KPHI 030105
SVRPHI
MDC029-030130-
/O.NEW.KPHI.SV.W.0072.060603T0105Z-060603T0130Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
905 PM EDT FRI JUN 2 2006

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN KENT COUNTY IN NORTHEAST MARYLAND

* UNTIL 930 PM EDT

* AT 903 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 9 MILES
  SOUTH OF GALENA...AND MOVING NORTHEAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL OTHERWISE REMAIN OVER MAINLY RURAL
  AREAS OF THE INDICATED COUNTY.

LAT...LON 3936 7596 3937 7580 3930 7583 3928 7586
      3925 7591 3924 7602 3920 7607 3917 7605
      3914 7612 3914 7612

$$

JJM

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 2, 8:47 PM EDT	Severe Thunderstorm Warning	PHI	Caroline, Queen Anne's	28 min
Jun 2, 9:17 PM EDT	Severe Thunderstorm Warning	PHI	Cecil	43 min
Jun 2, 9:55 PM EDT	Flash Flood Warning	PHI	Cecil	3 hr
Jun 3, 12:44 AM EDT	Flash Flood Warning	PHI	Cecil	3 hr

Nearby

Severe Thunderstorm Warnings in Maryland, 2006 Every severe thunderstorm warning in 2006

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; radar from the NEXRAD Level II archive.