Alert archive / Maryland / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 1, NWS Philadelphia/Mount Holly

March 6, 2004Caroline County, Kent County, Queen Anne's County, Maryland; Kent County, Delaware

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Mar 6, 2004, 4:24 PM EST for Caroline County, Kent County, Queen Anne's County, Maryland; Kent County, Delaware. It was in force for 51 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Mar 6, 2004, 4:24 PM EST (21:24 UTC)
Expired
Mar 6, 2004, 5:15 PM EST
In force
51 min
Issued by
NWS Philadelphia/Mount Holly
Area
Whole counties

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

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 9.4 hours before the alert went out and 132 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, Washington/Dulle, VA at 12:00Z on 2004-03-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Washington/Dulle, VA at 12:00Z on 2004-03-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -153 square meters per square second.1939587897117136156Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
640 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
-153 m²/s²
0-3 km storm-relative helicity
-192 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.

094 
WUUS51 KPHI 062124
SVRPHI
DEC001-MDC011-029-035-062215-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
424 PM EST SAT MAR 6 2004

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

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

* UNTIL 515 PM EST.

* AT 417 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM... 9 MILES WEST OF CHESTERTOWN...MOVING EAST AT
  60 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  CHURCH HILL AT 430 PM.
  SUDLERSVILLE...MILLINGTON AT 435 PM.
  HARTLY AT 445 PM.
  CAMDEN...WOODSIDE...CHESWOLD...VIOLA AT 450 PM.
  DOVER...RISING SUN AT 455 PM.

FOR THE LATEST STORM INFORMATION...PLEASE TUNE TO NOAA WEATHER
RADIO...YOUR LOCAL RADIO OR TELEVISION STATION...OR YOUR CABLE
TELEVISION OUTLET.

$$
LAT...LON 3929 7620 3911 7623 3901 7539 3923 7535

Nearby

Severe Thunderstorm Warnings in Maryland, 2004Severe Thunderstorm Warnings in Delaware, 2004Every severe thunderstorm warning in 2004

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.