Alert archive / Maryland / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 80, NWS Philadelphia/Mount Holly

July 22, 2003Caroline County, Maryland; Sussex County, Delaware

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 22, 2003, 4:49 PM EDT for Caroline County, Maryland; Sussex County, Delaware. It was in force for 56 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: Jul 22, 2003, 4:49 PM EDT (20:49 UTC)
Expired: Jul 22, 2003, 5:45 PM EDT
In force: 56 min
Issued by: NWS Philadelphia/Mount Holly
Area: Whole counties

Counties Sussex County, DE, Caroline County, MD

The watch it was issued in

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

Issued	Product	Office	Lasted
Jul 22, 1:45 PM EDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 8.8 hours before the alert went out and 89 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: 1049 J/kg
Mixed-layer CIN: -60 J/kg
Mixed-layer LCL: 961 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 69 m²/s²
0-3 km storm-relative helicity: 158 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 3.0

Open this sounding in Storm Lab

The text

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

596 
WUUS51 KPHI 222049
SVRPHI
DEC005-MDC011-222145-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
448 PM EDT TUE JUL 22 2003

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN CAROLINE COUNTY IN EASTERN MARYLAND.
  WESTERN SUSSEX COUNTY IN SOUTHERN DELAWARE.

* UNTIL 545 PM EDT.

* AT 445 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A SEVERE THUNDERSTORM...17 MILES SOUTH OF FEDERALSBURG...MOVING    
  NORTHEAST AT 40 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
  BRIDGEVILLE...
  ELLENDALE...
  GEORGETOWN...
  LAUREL...
  SEAFORD...
  FEDERALSBURG...

DAMAGING WINDS IN EXCESS OF 55 MPH ARE EXPECTED FROM THIS STORM. SEEK
SHELTER IN A STURDY STRUCTURE UNTIL THE STORM HAS PASSED.

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

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT
TUESDAY EVENING FOR SOUTHWESTERN DELAWARE AND NORTHEASTERN MARYLAND
AND NORTHWESTERN NEW JERSEY AND SOUTHEAST PENNSYLVANIA.
$$

LAT...LON 3865 7571 3869 7583 3884 7566 3885 7555
          3890 7549 3866 7528 3844 7570

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 22, 5:22 PM EDT	Severe Thunderstorm Warning	PHI	Kent	38 min

Nearby

Severe Thunderstorm Warnings in Maryland, 2003 Severe Thunderstorm Warnings in Delaware, 2003 Every severe thunderstorm warning in 2003

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.