Alert archive / Maryland / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 50, NWS Philadelphia/Mount Holly

June 8, 2007Talbot County, Maryland

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 8, 2007, 10:26 PM EDT for Talbot County, Maryland. It was in force for 46 min. 1 report 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 8, 2007, 10:26 PM EDT (02:26 UTC)
Expired
Jun 8, 2007, 11:12 PM EDT
In force
46 min
Issued by
NWS Philadelphia/Mount Holly
Area
Counties, with a storm outline in the text

County Talbot County, MD

The radar

The Dover AFB radar (KDOX), 67 km from the middle of the area, began a volume at 02:28 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

TimeReportWhereRemark
Jun 8, 10:42 PM EDTHAIL 0.753 S Trappe, MDPENNY SIZE HAIL REPORTED NEAR THE MALKUS BRIDGE BETWEEN TRAPPE AND CAMBRIDGE, MD.

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

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 00:00Z, 2.4 hours before the alert went out and 107 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, Wallops Is Stn, VA at 00:00Z on 2007-06-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3480 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, Wallops Is Stn, VA at 00:00Z on 2007-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 8 square meters per square second.1939Sfc1 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
3480 J/kg
Mixed-layer CIN
-49 J/kg
Mixed-layer LCL
1026 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
8 m²/s²
0-3 km storm-relative helicity
104 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.

000 
WUUS51 KPHI 090227
SVRPHI
MDC041-090330-
/O.NEW.KPHI.SV.W.0050.070609T0226Z-070609T0330Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1026 PM EDT FRI JUN 8 2007

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  TALBOT COUNTY IN EASTERN MARYLAND...

* UNTIL 1130 PM EDT

* AT 1023 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR   
  OXFORD...AND MOVING SOUTHEAST AT 35 MPH. NUMEROUS CLOUD TO GROUND  
  LIGHTNING STRIKES CAN ALSO BE EXPECTED.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  RURAL SOUTHERN TALBOT COUNTY AT 1040 PM EDT

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT
FRIDAY EVENING FOR NORTHEAST MARYLAND.

LAT...LON 3878 7628 3861 7637 3854 7608 3865 7590

$$

JJM
1 follow-up statement
000 
WWUS51 KPHI 090312
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1111 PM EDT FRI JUN 8 2007

MDC041-090321-
/O.CAN.KPHI.SV.W.0050.000000T0000Z-070609T0330Z/
TALBOT MD-
1111 PM EDT FRI JUN 8 2007

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN TALBOT COUNTY IS
CANCELLED...

THE WORST PART OF THE STORM HAS PASSED OUT OF THE COUNTY...SO THE 
SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED.

LAT...LON 3878 7628 3861 7637 3854 7608 3865 7590

$$

JJM

Nearby

Severe Thunderstorm Warnings in Maryland, 2007Every severe thunderstorm warning in 2007

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.