Alert archive / Maryland / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 105, NWS Philadelphia/Mount Holly

June 27, 2008Caroline County, Queen Anne's County, Talbot County, Maryland

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 27, 2008, 3:03 PM EDT for Caroline County, Queen Anne's County, Talbot County, Maryland. It was in force for 33 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 27, 2008, 3:03 PM EDT (19:03 UTC)
Expired
Jun 27, 2008, 3:36 PM EDT
In force
33 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon

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

The radar

The Dover AFB radar (KDOX), 64 km from the middle of the area, began a volume at 19:04 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.

The watch it was issued in

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

IssuedProductOfficeLasted
Jun 27, 12:40 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 7.1 hours before the alert went out and 65 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, Phillips Aaf/Abe, MD at 12:00Z on 2008-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 109 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, Phillips Aaf/Abe, MD at 12:00Z on 2008-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 15 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
109 J/kg
Mixed-layer CIN
-165 J/kg
Mixed-layer LCL
1755 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
15 m²/s²
0-3 km storm-relative helicity
58 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 271903
SVRPHI
MDC011-035-041-272000-
/O.NEW.KPHI.SV.W.0105.080627T1903Z-080627T2000Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
303 PM EDT FRI JUN 27 2008

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL CAROLINE COUNTY IN EASTERN MARYLAND...
  TALBOT COUNTY IN EASTERN MARYLAND...
  SOUTHERN QUEEN ANNES COUNTY IN NORTHEAST MARYLAND...

* UNTIL 400 PM EDT

* AT 254 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
  TALBOT...OR ABOUT 44 MILES SOUTHWEST OF DOVER...AND MOVING EAST AT
  17 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  EASTON BY 325 PM...
  SKIPTON BY 330 PM...
  CORDOVA BY 340 PM...
  MATTHEWS BY 345 PM...
  QUEEN ANNE BY 350 PM...
  GRIFFIN BY 355 PM...

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

LAT...LON 3903 7583 3870 7582 3872 7631 3883 7631
      3887 7625 3884 7625 3882 7621 3885 7620
      3892 7621 3895 7624 3890 7624 3894 7628
      3891 7628 3890 7630 3895 7631
TIME...MOT...LOC 1903Z 267DEG 15KT 3885 7619

$$

KRUZDLO
1 follow-up statement
000 
WWUS51 KPHI 271936
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
333 PM EDT FRI JUN 27 2008

MDC011-035-041-271943-
/O.CAN.KPHI.SV.W.0105.000000T0000Z-080627T2000Z/
CAROLINE MD-QUEEN ANNES MD-TALBOT MD-
333 PM EDT FRI JUN 27 2008

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN TALBOT...SOUTHERN 
QUEEN ANNES AND CENTRAL CAROLINE COUNTIES IS CANCELLED...

THE SEVERE THUNDERSTORM WARNING FOR EXTREME SOUTHERN CAROLINE COUNTY 
AND SOUTHERN TALBOT COUNTY REMAINS IN EFFECT.

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

LAT...LON 3903 7583 3870 7582 3872 7631 3883 7631
      3887 7625 3884 7625 3882 7621 3885 7620
      3892 7621 3895 7624 3890 7624 3894 7628
      3891 7628 3890 7630 3895 7631
TIME...MOT...LOC 1933Z 267DEG 15KT 3886 7603

$$

KRUZDLO

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 27, 3:13 PM EDTSevere Thunderstorm WarningPHICaroline, Talbot62 min

Nearby

Severe Thunderstorm Warnings in Maryland, 2008Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.