Alert archive / Delaware / Severe Thunderstorm Warnings in 2006
Severe Thunderstorm Warning 239, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 24, 2006, 4:38 PM EDT for Sussex County, Delaware. It was in force for 52 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 24, 2006, 4:38 PM EDT (20:38 UTC)
- Expired
- Aug 24, 2006, 5:30 PM EDT
- In force
- 52 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Counties, with a storm outline in the text
County Sussex County, DE
The radar
The Dover AFB radar (KDOX), 30 km from the middle of the area, began a volume at 20:39 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 24, 5:00 PM EDT | TSTM WND DMG | Millsboro, DE | TREE LIMBS AND SIGNS DOWN IN MILLSBORO. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Wallops Is Stn, VA (KWAL), launched 12:00Z, 8.6 hours before the alert went out and 77 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
- 145 J/kg
- Mixed-layer CIN
- -72 J/kg
- Mixed-layer LCL
- 1387 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 27 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.6
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS51 KPHI 242038
SVRPHI
DEC005-242130-
/O.NEW.KPHI.SV.W.0239.060824T2038Z-060824T2130Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
438 PM EDT THU AUG 24 2006
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN SUSSEX COUNTY IN SOUTHERN DELAWARE
* UNTIL 530 PM EDT
* AT 435 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR
GEORGETOWN...OR ABOUT 36 MILES SOUTH OF DOVER...AND MOVING
SOUTHEAST AT 35 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
MILLSBORO BY 445 PM EDT...
LONG NECK BY 450 PM EDT...
LAT...LON 3875 7537 3860 7548 3845 7509 3848 7503
3863 7504
$$
EBERWINE1 follow-up statement
000
WWUS51 KPHI 242052
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
451 PM EDT THU AUG 24 2006
DEC005-242130-
/O.CON.KPHI.SV.W.0239.000000T0000Z-060824T2130Z/
SUSSEX DE-
451 PM EDT THU AUG 24 2006
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR SOUTHEASTERN SUSSEX COUNTY...
AT 448 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED NEAR MILLSBORO...OR ABOUT 39 MILES SOUTH OF DOVER...AND
MOVING MORE TO THE SOUTHEAST.
THE SEVERE THUNDERSTORM WILL BE NEAR...
6 MILES NORTHEAST OF FRANKFORD BY 455 PM EDT...
LONG NECK BY 500 PM EDT...
OCEAN VIEW AND MILLVILLE BY 505 PM EDT...
BETHANY BEACH AND SOUTH BETHANY BY 510 PM EDT...
LAT...LON 3875 7537 3860 7548 3849 7536 3845 7509
3848 7503 3863 7504
$$
EBERWINEThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 24, 5:36 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 18 min |
Nearby
Severe Thunderstorm Warnings in Delaware, 2006Every severe thunderstorm warning in 2006
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.