Alert archive / New Jersey / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 107, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 27, 2008, 4:29 PM EDT for Kent County, New Castle County, Delaware; 4 counties in New Jersey. It was in force for 76 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 27, 2008, 4:29 PM EDT (20:29 UTC)
- Expired
- Jun 27, 2008, 5:45 PM EDT
- In force
- 76 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Kent County, DE, New Castle County, DE, Atlantic County, NJ, Cumberland County, NJ, Gloucester County, NJ, Salem County, NJ
The radar
The Dover AFB radar (KDOX), 72 km from the middle of the area, began a volume at 20:30 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 27, 4:40 PM EDT | HAIL 1 | Newark, DE | ONE INCH HAIL REPORTED IN NEWARK. |
| Jun 27, 4:43 PM EDT | TSTM WND DMG | Seabrook Farms, NJ | TREES AND WIRES REPORTED DOWN IN UPPER DEERFIELD TOWNSHIP. |
| Jun 27, 4:43 PM EDT | TSTM WND GST 60 | Seabrook Farms, NJ | 60 MPH WIND GUST REPORTED IN UPPER DEERFIELD TOWNSHIP. |
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 27, 12:40 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 8.5 hours before the alert went out and 56 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
- 109 J/kg
- Mixed-layer CIN
- -165 J/kg
- Mixed-layer LCL
- 1755 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 58 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS51 KPHI 272033
SVRPHI
DEC001-003-NJC001-011-015-033-272145-
/O.NEW.KPHI.SV.W.0107.080627T2029Z-080627T2145Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
429 PM EDT FRI JUN 27 2008
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTH CENTRAL KENT COUNTY IN CENTRAL DELAWARE...
NEW CASTLE COUNTY IN NORTHERN DELAWARE...
WEST CENTRAL ATLANTIC COUNTY IN SOUTHERN NEW JERSEY...
NORTHERN CUMBERLAND COUNTY IN SOUTHERN NEW JERSEY...
GLOUCESTER COUNTY IN SOUTHERN NEW JERSEY...
SALEM COUNTY IN SOUTHERN NEW JERSEY...
* UNTIL 545 PM EDT
* AT 421 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
CLUSTER OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING PENNY SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE
LOCATED ACROSS NORTHERN DELAWARE AND SOUTHWESTERN NEW JERSEY...
AND WERE MOVING EAST AT 20 MPH.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM FRIDAY
EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND SOUTHERN NEW
JERSEY AND SOUTHEAST PENNSYLVANIA.
LAT...LON 3987 7521 3947 7479 3931 7533 3934 7534
3933 7537 3938 7545 3942 7547 3946 7555
3950 7557 3957 7553 3958 7556 3947 7559
3935 7549 3932 7543 3928 7542 3921 7563
3949 7578 3971 7579
TIME...MOT...LOC 2029Z 251DEG 17KT 3963 7572 3933 7555
$$
KRUZDLO2 follow-up statements
000
WWUS51 KPHI 272056
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
451 PM EDT FRI JUN 27 2008
DEC001-272101-
/O.CAN.KPHI.SV.W.0107.000000T0000Z-080627T2145Z/
KENT DE-
451 PM EDT FRI JUN 27 2008
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL KENT COUNTY IS
CANCELLED...
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT THIS
EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND SOUTHERN NEW
JERSEY AND SOUTHEAST PENNSYLVANIA.
LAT...LON 3971 7579 3986 7520 3947 7479 3931 7533
3934 7534 3933 7537 3938 7545 3942 7547
3946 7555 3950 7557 3952 7554 3957 7553
3958 7556 3947 7559 3937 7551 3931 7558
3929 7567 3949 7578
TIME...MOT...LOC 2051Z 251DEG 17KT 3966 7559 3936 7542
$$
DEC003-NJC001-011-015-033-272145-
/O.CON.KPHI.SV.W.0107.000000T0000Z-080627T2145Z/
SALEM NJ-CUMBERLAND NJ-GLOUCESTER NJ-NEW CASTLE DE-ATLANTIC NJ-
451 PM EDT FRI JUN 27 2008
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EDT
FOR WEST CENTRAL ATLANTIC...NEW CASTLE...GLOUCESTER...NORTHERN
CUMBERLAND AND SALEM COUNTIES...
AT 447 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
CLUSTER OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING PENNY SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE
LOCATED ACROSS THE NORTHERN MOST PART OF DELAWARE AND SOUTHWESTERN
NEW JERSEY...AND WERE MOVING EAST AT 20 MPH.
THE STRONGEST STORMS WERE LOCATED NEAR SHILOH IN CUMBERLAND COUNTY
AND NEAR BUENA IN ATLANTIC COUNTY.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT FRIDAY
EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND SOUTHERN NEW
JERSEY AND SOUTHEAST PENNSYLVANIA.
LAT...LON 3971 7579 3986 7520 3947 7479 3931 7533
3934 7534 3933 7537 3938 7545 3942 7547
3946 7555 3950 7557 3952 7554 3957 7553
3958 7556 3947 7559 3937 7551 3931 7558
3929 7567 3949 7578
TIME...MOT...LOC 2051Z 251DEG 17KT 3966 7559 3936 7542
$$
KRUZDLO000
WWUS51 KPHI 272126
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
522 PM EDT FRI JUN 27 2008
DEC003-272132-
/O.CAN.KPHI.SV.W.0107.000000T0000Z-080627T2145Z/
NEW CASTLE DE-
522 PM EDT FRI JUN 27 2008
...THE SEVERE THUNDERSTORM WARNING FOR NEW CASTLE COUNTY IS
CANCELLED...
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT FRIDAY
EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND SOUTHERN NEW
JERSEY AND SOUTHEAST PENNSYLVANIA.
LAT...LON 3931 7533 3934 7534 3933 7537 3937 7541
3938 7545 3942 7547 3946 7555 3950 7557
3952 7554 3957 7553 3961 7558 3981 7541
3986 7520 3947 7479
TIME...MOT...LOC 2122Z 251DEG 17KT 3971 7541 3941 7524
$$
NJC001-011-015-033-272145-
/O.CON.KPHI.SV.W.0107.000000T0000Z-080627T2145Z/
SALEM NJ-CUMBERLAND NJ-GLOUCESTER NJ-ATLANTIC NJ-
522 PM EDT FRI JUN 27 2008
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EDT
FOR WEST CENTRAL ATLANTIC...GLOUCESTER...NORTHERN CUMBERLAND AND
SALEM COUNTIES...
AT 518 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
CLUSTER OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING PENNY SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE
LOCATED ACROSS SOUTHWESTERN NEW JERSEY...AND WERE MOVING EAST AT 20
MPH.
THE STRONGEST STORMS WERE LOCATED NEAR MILLVILLE...OLIVET...
VINELAND...AND CLAYTON.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT FRIDAY
EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND SOUTHERN NEW
JERSEY AND SOUTHEAST PENNSYLVANIA.
LAT...LON 3931 7533 3934 7534 3933 7537 3937 7541
3938 7545 3942 7547 3946 7555 3950 7557
3952 7554 3957 7553 3961 7558 3981 7541
3986 7520 3947 7479
TIME...MOT...LOC 2122Z 251DEG 17KT 3971 7541 3941 7524
$$
KRUZDLOThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 27, 2:19 PM EDT | Special Marine Warning | PHI | 56 min | |
| Jun 27, 2:29 PM EDT | Severe Thunderstorm Warning | PHI | Cape May | 61 min |
| Jun 27, 3:28 PM EDT | Special Marine Warning | PHI | 32 min | |
| Jun 27, 5:02 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington | 58 min |
| Jun 27, 6:04 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Ocean | 56 min |
| Jun 27, 6:21 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Monmouth, Ocean | 69 min |
| Jun 27, 6:36 PM EDT | Special Marine Warning | PHI | 54 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2008Severe 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.