Alert archive / Maryland / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 124, NWS Philadelphia/Mount Holly

July 14, 2004Cecil County, Maryland

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 14, 2004, 3:03 PM EDT for Cecil County, Maryland. It was in force for 57 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: Jul 14, 2004, 3:03 PM EDT (19:03 UTC)
Expired: Jul 14, 2004, 4:00 PM EDT
In force: 57 min
Issued by: NWS Philadelphia/Mount Holly
Area: Counties, with a storm outline in the text

County Cecil 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 14, 12:50 PM EDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 7.1 hours before the alert went out and 16 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: 3 J/kg
Mixed-layer CIN: -233 J/kg
Mixed-layer LCL: 719 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 91 m²/s²
0-3 km storm-relative helicity: 125 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 141903
SVRPHI
MDC015-142000-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
302 PM EDT WED JUL 14 2004

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CECIL COUNTY IN NORTHEAST MARYLAND

* UNTIL 400 PM EDT

* AT 300 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 IN 
  HARFORD COUNTY NEAR ABERDEEN...AND MOVING NORTHEAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  NORTH EAST AND RISING SUN BY 340 PM EDT...
  ELKTON BY 350 PM EDT...

LAT...LON 3949 7601 3962 7580 3972 7580 3972 7611
      3966 7618 3965 7616 3963 7616 3960 7612
      3958 7611 3954 7605

$$

IOVINO

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 14, 3:05 PM EDT	Flash Flood Warning	PHI	Cecil, Kent	76 days
Jul 14, 4:24 PM EDT	Severe Thunderstorm Warning	PHI	Cecil	66 min
Jul 14, 4:32 PM EDT	Severe Thunderstorm Warning	PHI	Kent, Queen Anne's	58 min
Jul 14, 5:16 PM EDT	Severe Thunderstorm Warning	PHI	Caroline	59 min

Nearby

Severe Thunderstorm Warnings in Maryland, 2004 Every 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.