Alert archive / Delaware / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 87, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 16, 2008, 6:00 PM EDT for Kent County, Sussex County, Delaware; Cape May County, Cumberland County, New Jersey. It was in force for 57 min. 3 reports 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 16, 2008, 6:00 PM EDT (22:00 UTC)
- Expired
- Jun 16, 2008, 6:57 PM EDT
- In force
- 57 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Kent County, DE, Sussex County, DE, Cape May County, NJ, Cumberland County, NJ
The radar
The Dover AFB radar (KDOX), 30 km from the middle of the area, began a volume at 22:03 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 16, 6:10 PM EDT | HAIL 0.25 | Dennisville, NJ | PEA SIZED HAIL REPORTED IN DENNIS. |
| Jun 16, 6:20 PM EDT | TSTM WND GST 60 | Cape May Court House, NJ | 60 TO 65 MPH WIND GUST REPORTED IN JAKES LANDING. |
| Jun 16, 6:50 PM EDT | HAIL 0.25 | West Cape May, NJ | PEA SIZED HAIL REPORTED IN WEST CAPE MAY. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 16, 1:21 PM EDT | Severe Thunderstorm Watch | SPC | 10 hr |
The nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 10.0 hours before the alert went out and 102 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
- 53 J/kg
- Mixed-layer CIN
- -151 J/kg
- Mixed-layer LCL
- 1872 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 28 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 162200
SVRPHI
DEC001-005-NJC009-011-162315-
/O.NEW.KPHI.SV.W.0087.080616T2200Z-080616T2315Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
600 PM EDT MON JUN 16 2008
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN KENT COUNTY IN CENTRAL DELAWARE...
SUSSEX COUNTY IN SOUTHERN DELAWARE...
CAPE MAY COUNTY IN SOUTHERN NEW JERSEY...
EXTREME SOUTH CENTRAL CUMBERLAND COUNTY IN SOUTHERN NEW JERSEY...
* UNTIL 715 PM EDT
* AT 554 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR
SEAFORD...OR ABOUT 35 MILES SOUTH OF DOVER...AND MOVING EAST AT 36
MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
6 MILES NORTH OF SYCAMORE BY 610 PM...
8 MILES SOUTH OF ELLENDALE BY 615 PM...
GEORGETOWN BY 620 PM...
6 MILES SOUTH OF MILTON AND 8 MILES NORTH OF MILLSBORO BY 625 PM...
LEWES BY 640 PM...
REHOBOTH BEACH BY 645 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.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM MONDAY
EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND NEW JERSEY AND
EASTERN PENNSYLVANIA.
LAT...LON 3846 7571 3863 7572 3904 7534 3917 7516
3920 7518 3921 7505 3903 7533 3892 7530
3879 7511 3892 7498 3911 7490 3916 7491
3920 7503 3921 7503 3923 7461 3900 7478
3893 7488 3892 7497 3881 7508 3845 7504
TIME...MOT...LOC 2200Z 264DEG 31KT 3867 7560
$$
RNS2 follow-up statements
000
WWUS51 KPHI 162231
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
631 PM EDT MON JUN 16 2008
DEC001-162241-
/O.CAN.KPHI.SV.W.0087.000000T0000Z-080616T2315Z/
KENT DE-
631 PM EDT MON JUN 16 2008
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN KENT COUNTY IS
CANCELLED...
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT MONDAY
EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND NEW JERSEY AND
EASTERN PENNSYLVANIA.
LAT...LON 3846 7571 3863 7572 3895 7531 3881 7518
3879 7511 3881 7509 3892 7498 3909 7490
3917 7492 3921 7503 3921 7502 3923 7462
3900 7478 3893 7488 3892 7497 3881 7508
3845 7505
TIME...MOT...LOC 2231Z 264DEG 31KT 3920 7482 3849 7548
$$
DEC005-NJC009-011-162315-
/O.CON.KPHI.SV.W.0087.000000T0000Z-080616T2315Z/
CUMBERLAND NJ-SUSSEX DE-CAPE MAY NJ-
631 PM EDT MON JUN 16 2008
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM EDT
FOR CAPE MAY...SUSSEX AND EXTREME SOUTHEASTERN CUMBERLAND COUNTIES...
AT 616 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING PENNY
SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS
WERE LOCATED ALONG A LINE EXTENDING FROM ELDORA TO 7 MILES SOUTH OF
BETHEL...OR ALONG A LINE EXTENDING FROM 19 MILES SOUTH OF VINELAND TO
48 MILES SOUTH OF DOVER...MOVING EAST AT 36 MPH.
SEVERE THUNDERSTORMS WILL BE NEAR...
GUMBORO...SEAVILLE...WHITESBORO-BURLEIGH AND RIO GRANDE BY 640 PM
EDT...
SCOTCH BONNET...SEA ISLE CITY AND CAPE MAY BY 645 PM EDT...
WILDWOOD CREST...WILDWOOD AND WEST WILDWOOD BY 650 PM EDT...
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT MONDAY
EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND NEW JERSEY AND
EASTERN PENNSYLVANIA.
LAT...LON 3846 7571 3863 7572 3895 7531 3881 7518
3879 7511 3881 7509 3892 7498 3909 7490
3917 7492 3921 7503 3921 7502 3923 7462
3900 7478 3893 7488 3892 7497 3881 7508
3845 7505
TIME...MOT...LOC 2231Z 264DEG 31KT 3920 7482 3849 7548
$$
MPD000
WWUS51 KPHI 162257
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
658 PM EDT MON JUN 16 2008
DEC005-NJC009-011-162308-
/O.CAN.KPHI.SV.W.0087.000000T0000Z-080616T2315Z/
CUMBERLAND NJ-SUSSEX DE-CAPE MAY NJ-
658 PM EDT MON JUN 16 2008
...THE SEVERE THUNDERSTORM WARNING FOR CAPE MAY...SUSSEX AND EXTREME
SOUTHEASTERN CUMBERLAND COUNTIES IS CANCELLED...
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT MONDAY
EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND NEW JERSEY AND
EASTERN PENNSYLVANIA.
LAT...LON 3846 7571 3863 7572 3895 7531 3881 7518
3879 7511 3881 7509 3892 7498 3909 7490
3917 7492 3921 7503 3921 7502 3923 7462
3900 7478 3893 7488 3892 7497 3881 7508
3845 7505
TIME...MOT...LOC 2258Z 264DEG 31KT 3922 7452 3851 7518
$$
RNSThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 16, 5:06 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 39 min |
| Jun 16, 5:14 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 31 min |
| Jun 16, 5:21 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 24 min |
| Jun 16, 4:59 PM EDT | Severe Thunderstorm Warning | PHI | Cumberland, Salem | 31 min |
| Jun 16, 5:12 PM EDT | Special Marine Warning | PHI | 48 min | |
| Jun 16, 5:38 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Cape May, Cumberland | 67 min |
| Jun 16, 5:48 PM EDT | Special Marine Warning | PHI | 27 min | |
| Jun 16, 5:53 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Morris, Warren | 37 min |
| Jun 16, 6:01 PM EDT | Severe Thunderstorm Warning | PHI | Morris, Somerset | 44 min |
| Jun 16, 6:06 PM EDT | Special Marine Warning | PHI | 84 min | |
| Jun 16, 6:59 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth | 36 min |
| Jun 16, 7:08 PM EDT | Special Marine Warning | PHI | 39 min |
Nearby
Severe Thunderstorm Warnings in Delaware, 2008Severe Thunderstorm Warnings in New Jersey, 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.