Alert archive / Delaware / Severe Thunderstorm Warnings in 2004
Severe Thunderstorm Warning 120, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 12, 2004, 3:51 PM EDT for Kent County, Delaware. It was in force for 54 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 12, 2004, 3:51 PM EDT (19:51 UTC)
- Expired
- Jul 12, 2004, 4:45 PM EDT
- In force
- 54 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Counties, with a storm outline in the text
County Kent County, DE
The nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 7.9 hours before the alert went out and 53 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.
- Mixed-layer CAPE
- 76 J/kg
- Mixed-layer CIN
- -92 J/kg
- Mixed-layer LCL
- 902 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 81 m²/s²
- 0-3 km storm-relative helicity
- 143 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS51 KPHI 121951 SVRPHI DEC001-122045- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 349 PM EDT MON JUL 12 2004 THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN KENT COUNTY IN CENTRAL DELAWARE THIS INCLUDES THE CITIES OF DOVER * UNTIL 445 PM EDT * AT 346 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL...AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH. THIS STORM WAS LOCATED NEAR SMYRNA...OR ABOUT 11 MILES NORTH OF DOVER...AND MOVING SOUTHEAST AT 15 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... 6 MILES NORTHEAST OF CHESWOLD BY 355 PM EDT... 8 MILES NORTHEAST OF DOVER BY 410 PM EDT... OTHER TOWNS IN THE PATH OF THIS STORM INCLUDE SMYRNA...LEIPSIC AND CLAYTON. LAT...LON 3936 7553 3927 7575 3909 7559 3927 7528 $$ AMC
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 12, 8:28 AM EDT | Flash Flood Warning | PHI | Kent, New Castle | 78 days |
| Jul 12, 1:53 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 37 min |
| Jul 12, 2:22 PM EDT | Tornado Warning | PHI | New Castle | 38 min |
| Jul 12, 3:05 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 55 min |
| Jul 12, 4:08 PM EDT | Tornado Warning | PHI | Kent | 37 min |
| Jul 12, 4:33 PM EDT | Flash Flood Warning | PHI | Kent, New Castle | 78 days |
| Jul 12, 5:09 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 36 min |
| Jul 12, 5:45 PM EDT | Flash Flood Warning | PHI | Kent, New Castle, Sussex | 78 days |
| Jul 12, 7:32 PM EDT | Flash Flood Warning | PHI | Kent, New Castle | 78 days |
Nearby
Severe 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.