Alert archive / New Jersey / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 209, NWS Philadelphia/Mount Holly

August 10, 2008Salem County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 10, 2008, 10:11 AM EDT for Salem County, New Jersey. It was in force for 64 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
Aug 10, 2008, 10:11 AM EDT (14:11 UTC)
Expired
Aug 10, 2008, 11:15 AM EDT
In force
64 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon

County Salem County, NJ

The radar

The Philadelphia radar (KDIX), 90 km from the middle of the area, began a volume at 14:11 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

Washington/Dulle, VA (KIAD), launched 12:00Z, 2.2 hours before the alert went out and 190 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.

Skew-T log-pSkew-T log-p diagram, Washington/Dulle, VA at 12:00Z on 2008-08-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 771 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Washington/Dulle, VA at 12:00Z on 2008-08-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
771 J/kg
Mixed-layer CIN
-66 J/kg
Mixed-layer LCL
923 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
85 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS51 KPHI 101411
SVRPHI
NJC033-101515-
/O.NEW.KPHI.SV.W.0209.080810T1411Z-080810T1515Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1011 AM EDT SUN AUG 10 2008

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SALEM COUNTY IN SOUTHERN NEW JERSEY...

* UNTIL 1115 AM EDT

* AT 1007 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL.  THIS
  STORM WAS LOCATED NEAR PENNSVILLE...OR ABOUT NEAR SALEM...AND
  MOVING NORTHEAST AT 27 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  CARNEYS POINT BY 1020 AM...
  6 MILES NORTHWEST OF WOODSTOWN BY 1025 AM...

LAT...LON 3967 7552 3970 7551 3972 7547 3974 7548
      3977 7543 3968 7532 3968 7526 3958 7510
      3954 7523 3955 7524 3953 7527 3948 7541
      3963 7557
TIME...MOT...LOC 1411Z 232DEG 23KT 3966 7549

$$

JJM

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 10, 9:48 AM EDTSpecial Marine WarningPHI57 min
Aug 10, 9:55 AM EDTSevere Thunderstorm WarningPHICape May46 min
Aug 10, 10:39 AM EDTSevere Thunderstorm WarningPHIGloucester66 min
Aug 10, 11:17 AM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Gloucester58 min
Aug 10, 11:32 AM EDTAreal Flood AdvisoryPHICamden, Gloucester3 hr
Aug 10, 11:46 AM EDTSevere Thunderstorm WarningPHIGloucester, Salem59 min
Aug 10, 11:55 AM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Gloucester65 min
Aug 10, 11:56 AM EDTFlash Flood WarningPHICamden, Gloucester4 hr
Aug 10, 12:05 PM EDTSpecial Marine WarningPHI55 min
Aug 10, 12:09 PM EDTTornado WarningPHIGloucester, Salem36 min
Aug 10, 12:40 PM EDTSevere Thunderstorm WarningPHICamden, Gloucester, Salem95 min
Aug 10, 12:45 PM EDTSevere Thunderstorm WarningPHICape May60 min
Aug 10, 12:51 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Gloucester, Ocean84 min
Aug 10, 12:56 PM EDTTornado WarningPHIGloucester, Salem34 min
Aug 10, 1:05 PM EDTSevere Thunderstorm WarningPHIHunterdon, Warren115 min
Aug 10, 1:22 PM EDTFlash Flood WarningPHIGloucester, Salem3 hr
Aug 10, 1:29 PM EDTTornado WarningPHICamden, Gloucester, Salem28 min
Aug 10, 1:53 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Cumberland, Gloucester, Salem67 min
Aug 10, 2:10 PM EDTSevere Thunderstorm WarningPHIOcean50 min
Aug 10, 2:23 PM EDTSpecial Marine WarningPHI67 min
Aug 10, 2:36 PM EDTSpecial Marine WarningPHI54 min
Aug 10, 2:50 PM EDTSevere Thunderstorm WarningPHIBurlington55 min
Aug 10, 3:33 PM EDTSevere Thunderstorm WarningPHICamden, Gloucester, Salem39 min
Aug 10, 3:44 PM EDTSpecial Marine WarningPHI61 min
Aug 10, 3:46 PM EDTSevere Thunderstorm WarningPHIOcean24 min
Aug 10, 4:10 PM EDTAreal Flood WarningPHIAtlantic, Burlington, Camden, Gloucester, Ocean, Salem3 hr
Aug 10, 6:36 PM EDTSevere Thunderstorm WarningPHICamden, Gloucester, Salem69 min
Aug 10, 6:45 PM EDTAreal Flood AdvisoryPHICamden, Gloucester, Salem2 hr
Aug 10, 7:04 PM EDTSevere Thunderstorm WarningPHIAtlantic, Cape May56 min
Aug 10, 7:09 PM EDTSevere Thunderstorm WarningPHICumberland, Salem66 min
Aug 10, 7:15 PM EDTSpecial Marine WarningPHI60 min
Aug 10, 7:42 PM EDTSevere Thunderstorm WarningPHICumberland56 min
Aug 10, 7:45 PM EDTSpecial Marine WarningPHI60 min
Aug 10, 7:53 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Gloucester67 min

Nearby

Severe 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.