Alert archive / Delaware / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 75, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 14, 2008, 9:33 PM EDT for Kent County, Sussex County, Delaware. It was in force for 45 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
- Jun 14, 2008, 9:33 PM EDT (01:33 UTC)
- Expired
- Jun 14, 2008, 10:18 PM EDT
- In force
- 45 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Kent County, DE, Sussex County, DE
The radar
The Dover AFB radar (KDOX), 24 km from the middle of the area, began a volume at 01:34 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 |
|---|---|---|---|
| Jun 14, 9:40 PM EDT | TSTM WND DMG | Houston, DE | TREES AND WIRES DOWN IN HOUSTON. |
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 00:00Z, 1.6 hours before the alert went out and 90 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
- 567 J/kg
- Mixed-layer CIN
- -103 J/kg
- Mixed-layer LCL
- 1311 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 137 m²/s²
- 0-3 km storm-relative helicity
- 177 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 150133
SVRPHI
DEC001-005-150230-
/O.NEW.KPHI.SV.W.0075.080615T0133Z-080615T0230Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
933 PM EDT SAT JUN 14 2008
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN KENT COUNTY IN CENTRAL DELAWARE...
NORTHERN SUSSEX COUNTY IN SOUTHERN DELAWARE...
* UNTIL 1030 PM EDT
* AT 929 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
AN INTENSIFYING AND BECOMING SEVERE THUNDERSTORM CAPABLE OF
PRODUCING DAMAGING WINDS TO 60 MPH. THIS STORM WAS LOCATED
NEAR BRIDGEVILLE...OR ABOUT 25
MILES SOUTH OF DOVER...AND MOVING EAST AT 27 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
ELLENDALE...7 MILES SOUTH OF MILFORD AND 9 MILES NORTH OF
GEORGETOWN BY 950 PM...
MILTON BY 1000 PM...
6 MILES SOUTH OF SLAUGHTER BEACH BY 1005 PM...
LEWES BY 1020 PM...
9 MILES NORTH OF REHOBOTH BEACH BY 1025 PM...
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.
IN ADDITION TO LARGE HAIL AND DAMAGING 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.
LAT...LON 3858 7510 3862 7509 3860 7515 3860 7511
3858 7510 3858 7511 3866 7565 3897 7565
3903 7532 3898 7529 3892 7530 3882 7519
3879 7514 3881 7509 3879 7507 3858 7504
3857 7505
TIME...MOT...LOC 0133Z 263DEG 24KT 3880 7556
$$
TFG1 follow-up statement
000
WWUS51 KPHI 150218
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1018 PM EDT SAT JUN 14 2008
DEC001-005-150228-
/O.CAN.KPHI.SV.W.0075.000000T0000Z-080615T0230Z/
KENT DE-SUSSEX DE-
1018 PM EDT SAT JUN 14 2008
...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN SUSSEX AND
SOUTHEASTERN KENT COUNTIES IS CANCELLED...
THE SEVERE STORM HAS MOVED INTO DELAWARE BAY.
LAT...LON 3858 7510 3862 7509 3860 7515 3860 7511
3858 7510 3858 7511 3866 7565 3897 7565
3903 7532 3898 7529 3892 7530 3882 7519
3879 7514 3881 7509 3879 7507 3858 7504
3857 7505
TIME...MOT...LOC 0218Z 263DEG 24KT 3896 7518
$$
TFGNearby
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.