Alert archive / New Jersey / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 30, NWS Philadelphia/Mount Holly

May 27, 2001Cumberland County, Salem County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 27, 2001, 9:52 PM EDT for Cumberland County, Salem County, New Jersey. It was in force for 38 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
May 27, 2001, 9:52 PM EDT (01:52 UTC)
Expired
May 27, 2001, 10:30 PM EDT
In force
38 min
Issued by
NWS Philadelphia/Mount Holly
Area
Whole counties

Counties Cumberland County, NJ, Salem County, NJ

What was reported inside it

TimeReportWhereRemark
May 27, 9:55 PM EDTThunderstorm Wind 50 EHancocks Bridge, NJ
May 27, 10:00 PM EDTThunderstorm Wind 50 ECountywide, NJ

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 00:00Z, 1.9 hours before the alert went out and 170 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, Wallops Is Stn, VA at 00:00Z on 2001-05-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 359 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Wallops Is Stn, VA at 00:00Z on 2001-05-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 65 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
359 J/kg
Mixed-layer CIN
-70 J/kg
Mixed-layer LCL
1398 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
65 m²/s²
0-3 km storm-relative helicity
88 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KPHI 280152
SVRPHI
NJC011-033-280230-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
952 PM EDT SUN MAY 27 2001

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

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

* UNTIL 1030 PM EDT.

* AT 946 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SEVERE THUNDERSTORMS... ALONG A LINE EXTENDING FROM 3 MILES
  NORTHEAST OF SALEM TO 13 MILES SOUTHWEST OF FAIRTON...MOVING EAST
  AT 20 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
  SHILOH...
  SEABROOK FARMS...
  SALEM...
  ROSENHAYN...
  PORT NORRIS...
  OLIVET...
  MILLVILLE...
  FAIRTON...
  ELMER...
  BRIDGETON...
  ALLOWAY...

LARGE HAIL...DAMAGING WINDS...AND HEAVY RAINFALL ARE LIKELY WITH THIS
STORM. TAKE COVER IN A STURDY BUILDING UNTIL THE STORM HAS PASSED.

$$

LAT...LON 3958 7552 3918 7537 3925 7493 3963 7519

EBERWINE

The office that day

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

IssuedProductOfficeCountiesLasted
May 27, 10:48 PM EDTSevere Thunderstorm WarningPHIBurlington42 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2001Every severe thunderstorm warning in 2001

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.