Alert archive / Delaware / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 125, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 6, 2008, 1:45 PM EDT for Sussex County, Delaware. It was in force for 90 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 6, 2008, 1:45 PM EDT (17:45 UTC)
- Expired
- Jul 6, 2008, 3:15 PM EDT
- In force
- 90 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
County Sussex County, DE
The radar
The Dover AFB radar (KDOX), 24 km from the middle of the area, began a volume at 17:48 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 nearest sounding before it
Wallops Is Stn, VA (KWAL), launched 12:00Z, 5.8 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.
- Mixed-layer CAPE
- 957 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 479 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- 20 m²/s²
- 0-3 km storm-relative helicity
- 46 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 061745
SVRPHI
DEC005-061915-
/O.NEW.KPHI.SV.W.0125.080706T1745Z-080706T1915Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
145 PM EDT SUN JUL 6 2008
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EASTERN SUSSEX COUNTY IN SOUTHERN DELAWARE...
* UNTIL 315 PM EDT
* AT 142 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
OF 60 MPH. THIS STORM WAS LOCATED NEAR MILLSBORO...OR ABOUT 6
MILES SOUTH OF GEORGETOWN...AND MOVING NORTH AT 7 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
MILLSBORO BY 150 PM...
GEORGETOWN BY 240 PM...
MILTON BY 315 PM...
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.
THUNDERSTORMS ARE CAPABLE OF PRODUCING HEAVY RAINFALL WHICH MAY
RESULT IN LOCALIZED AREAS OF FLOODING. DO NOT DRIVE IN AREAS WHERE
WATER IS CROSSING THE ROAD.
LAT...LON 3856 7550 3894 7537 3888 7524 3882 7519
3880 7515 3879 7511 3881 7509 3880 7507
3867 7506 3865 7508 3868 7509 3868 7512
3863 7510 3848 7529
TIME...MOT...LOC 1745Z 198DEG 6KT 3860 7539
$$
TFG1 follow-up statement
000
WWUS51 KPHI 061814
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
212 PM EDT SUN JUL 6 2008
DEC005-061915-
/O.CON.KPHI.SV.W.0125.000000T0000Z-080706T1915Z/
SUSSEX DE-
212 PM EDT SUN JUL 6 2008
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR EASTERN SUSSEX COUNTY...
AT 208 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS TO
60 MPH. THIS STORM WAS LOCATED NEAR GEORGETOWN...MOVING NORTHEAST
AT 15 MPH. DOVER DOPPLER RADAR WAS INDICATING VERY STRONG WINDS WITH
THIS STORM JUST ABOVE THE GROUND AND JUST NORTH OF THE GEORGETOWN OR
SUSSEX COUNTY AIRPORT.
THE SEVERE THUNDERSTORM WILL BE NEAR...
MILTON BY 240 PM EDT...
8 MILES WEST OF LEWES BY 255 PM EDT...
IN ADDITION TO THE WINDS...CONTINUOUS CLOUD TO GROUND LIGHTNING
IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY LIGHTNING IS
ONE OF NATURES NUMBER ONE KILLERS. REMEMBER...IF YOU CAN HEAR
THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.
THUNDERSTORMS ARE CAPABLE OF PRODUCING HEAVY RAINFALL WHICH MAY
RESULT IN LOCALIZED AREAS OF FLOODING. DO NOT DRIVE IN AREAS WHERE
WATER IS COVERING THE ROAD. A FLASH FLOOD WARNING IS ALSO IN EFFECT.
LAT...LON 3856 7550 3894 7537 3888 7524 3882 7519
3880 7515 3879 7511 3881 7509 3880 7507
3867 7506 3865 7508 3868 7509 3868 7512
3863 7510 3848 7529
TIME...MOT...LOC 1812Z 197DEG 9KT 3871 7534
$$
TFGThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 1:46 PM EDT | Flash Flood Warning | PHI | Sussex | 5 hr |
| Jul 6, 2:41 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 28 min |
| Jul 6, 2:55 PM EDT | Flash Flood Warning | PHI | Kent, Sussex | 2 hr |
Nearby
Severe Thunderstorm Warnings in Delaware, 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.