Alert archive / New Jersey / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 214, NWS Philadelphia/Mount Holly

July 28, 2006Burlington County, New Jersey; Bucks County, Pennsylvania

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 28, 2006, 12:40 AM EDT for Burlington County, New Jersey; Bucks County, Pennsylvania. It was in force for 65 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
Jul 28, 2006, 12:40 AM EDT (04:40 UTC)
Expired
Jul 28, 2006, 1:45 AM EDT
In force
65 min
Issued by
NWS Philadelphia/Mount Holly
Area
Counties, with a storm outline in the text

Counties Burlington County, NJ, Bucks County, PA

The radar

The Philadelphia radar (KDIX), 42 km from the middle of the area, began a volume at 04:42 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

TimeReportWhereRemark
Jul 28, 12:45 AM EDTTSTM WND DMGLevittown, PAWIRES DOWN OVER SOUTHEASTERN PART OF COUNTY

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Brookhaven, NY (KOKX), launched 00:00Z, 4.7 hours before the alert went out and 188 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, Brookhaven, NY at 00:00Z on 2006-07-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 874 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, Brookhaven, NY at 00:00Z on 2006-07-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 81 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
874 J/kg
Mixed-layer CIN
-72 J/kg
Mixed-layer LCL
789 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
81 m²/s²
0-3 km storm-relative helicity
135 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KPHI 280443
SVRPHI
NJC005-PAC017-280545-
/O.NEW.KPHI.SV.W.0214.060728T0440Z-060728T0545Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1240 AM EDT FRI JUL 28 2006

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN BUCKS COUNTY IN SOUTHEAST PENNSYLVANIA
  NORTHWESTERN BURLINGTON COUNTY IN SOUTHERN NEW JERSEY

* UNTIL 145 AM EDT

* AT 1238 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 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 LANGHORNE TO RIVERSIDE... 
  AND WERE MOVING EAST AT 25 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  LEVITTOWN BY 1245 AM EDT...
  RIVERSIDE AND BEVERLY BY 1250 AM EDT...
  BRISTOL BY 1255 AM EDT...
  WILLINGBORO BY 100 AM EDT...
  FLORENCE-ROEBLING AND FLORENCE BY 105 AM EDT...

LAT...LON 4020 7495 4006 7497 4000 7504 4004 7461
      4010 7470 4019 7479

$$

KRUZDLO

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 27, 8:39 PM EDTSpecial Marine WarningPHI96 min
Jul 27, 9:50 PM EDTSevere Thunderstorm WarningPHIGloucester, Salem40 min
Jul 27, 10:04 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden56 min
Jul 27, 10:14 PM EDTFlash Flood WarningPHIAtlantic, Burlington, Camden, Gloucester, Ocean2 hr
Jul 27, 10:38 PM EDTSpecial Marine WarningPHI97 min
Jul 28, 12:04 AM EDTSevere Thunderstorm WarningPHIGloucester, Salem56 min
Jul 28, 12:50 AM EDTFlash Flood WarningPHIGloucester3 hr
Jul 28, 2:49 PM EDTSevere Thunderstorm WarningPHICamden, Gloucester56 min
Jul 28, 3:07 PM EDTSevere Thunderstorm WarningPHIBurlington53 min
Jul 28, 3:32 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Monmouth, Ocean73 min
Jul 28, 3:43 PM EDTSevere Thunderstorm WarningPHIMiddlesex, Somerset47 min
Jul 28, 3:46 PM EDTSpecial Marine WarningPHI89 min
Jul 28, 4:04 PM EDTSpecial Marine WarningPHI86 min
Jul 28, 4:19 PM EDTSevere Thunderstorm WarningPHICape May41 min
Jul 28, 4:50 PM EDTSpecial Marine WarningPHI25 min
Jul 27, 10:55 PM EDTSevere Thunderstorm WarningPHIChester65 min
Jul 27, 11:32 PM EDTSevere Thunderstorm WarningPHIDelaware, Montgomery88 min
Jul 28, 12:32 AM EDTSevere Thunderstorm WarningPHIPhiladelphia43 min
Jul 28, 12:40 AM EDTFlash Flood WarningPHIBucks, Montgomery, Philadelphia3 hr
Jul 28, 2:28 PM EDTSevere Thunderstorm WarningPHIChester, Delaware, Montgomery, Philadelphia62 min
Jul 28, 4:03 PM EDTSevere Thunderstorm WarningPHIBucks, Montgomery57 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2006Severe Thunderstorm Warnings in Pennsylvania, 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.