Alert archive / New Jersey / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 21, NWS Philadelphia/Mount Holly

March 1, 2017Burlington County, Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Mar 1, 2017, 4:00 PM EST for Burlington County, Ocean County, New Jersey. It was in force for 31 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
Mar 1, 2017, 4:00 PM EST (21:00 UTC)
Expired
Mar 1, 2017, 4:31 PM EST
In force
31 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Burlington County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 22 km from the middle of the area, began a volume at 21:03 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Mar 1, 1:13 PM ESTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 9.0 hours before the alert went out and 163 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, Phillips Aaf/Abe, MD at 12:00Z on 2017-03-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Phillips Aaf/Abe, MD at 12:00Z on 2017-03-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 212 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
624 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
212 m²/s²
0-3 km storm-relative helicity
284 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

018 
WUUS51 KPHI 012100
SVRPHI
NJC005-029-012145-
/O.NEW.KPHI.SV.W.0021.170301T2100Z-170301T2145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
400 PM EST WED MAR 1 2017

The National Weather Service in Mount Holly NJ  has issued a

* Severe Thunderstorm Warning for...
  Central Ocean County in southern New Jersey...
  East central Burlington County in southern New Jersey...

* Until 445 PM EST

* At 400 PM EST, a severe thunderstorm was located over Chatsworth,
  or 22 miles southwest of Toms River, moving east at 60 mph.

  HAZARD...60 mph wind gusts. 

  SOURCE...Radar indicated. 

  IMPACT...Expect damage to roofs, siding, and trees. 

* Locations impacted include...
  Toms River, Barnegat, Beachwood, Seaside Heights, Dover Beaches
  North, Holiday City South, Warren Grove, Chatsworth, Dover Beaches
  South, Holiday City-Berkeley, Bamber Lake, Cedar Glen Lakes,
  Whiting, Brookville, Pine Ridge At Crestwood, Old Halfway, Penn
  State Forest, Beach Haven West, South Toms River and Island
  Heights.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

This severe thunderstorm may contain little or no lightning. Do not
wait until you hear thunder before taking cover.

&&

LAT...LON 3969 7410 3967 7411 3974 7465 3994 7449
      4002 7403
TIME...MOT...LOC 2100Z 258DEG 51KT 3979 7455 

HAIL...<.75IN
WIND...60MPH
 
$$

JRK
3 follow-up statements
933 
WWUS51 KPHI 012117
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
417 PM EST WED MAR 1 2017

NJC005-012127-
/O.CAN.KPHI.SV.W.0021.000000T0000Z-170301T2145Z/
Burlington NJ-
417 PM EST WED MAR 1 2017

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL BURLINGTON COUNTY
IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A severe thunderstorm watch remains in effect until 700 PM EST for
southern New Jersey.

LAT...LON 3974 7410 3978 7433 3998 7417 3999 7404
TIME...MOT...LOC 2117Z 257DEG 54KT 3986 7406 3980 7428 

$$

NJC029-012145-
/O.CON.KPHI.SV.W.0021.000000T0000Z-170301T2145Z/
Ocean NJ-
417 PM EST WED MAR 1 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM EST
FOR EAST CENTRAL OCEAN COUNTY...

At 417 PM EST, severe thunderstorms were located along a line
extending from near Seaside Heights to Brookville, moving east at 60
mph.

HAZARD...60 mph wind gusts. 

SOURCE...Radar indicated. 

IMPACT...Expect damage to roofs, siding, and trees. 

Locations impacted include...
Toms River, Barnegat, Beachwood, Seaside Heights, Brookville, Dover
Beaches South, Dover Beaches North, South Toms River, Island Heights,
Gilford Park and Waretown.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

This severe thunderstorm may contain little or no lightning. Do not 
wait until you hear thunder before taking cover.

&&

LAT...LON 3974 7410 3978 7433 3998 7417 3999 7404
TIME...MOT...LOC 2117Z 257DEG 54KT 3986 7406 3980 7428 

HAIL...<.75IN
WIND...60MPH
 
$$

JRK
947 
WWUS51 KPHI 012128
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
428 PM EST WED MAR 1 2017

NJC029-012145-
/O.CON.KPHI.SV.W.0021.000000T0000Z-170301T2145Z/
Ocean NJ-
428 PM EST WED MAR 1 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM EST
FOR EAST CENTRAL OCEAN COUNTY...

At 426 PM EST, severe thunderstorms were located along a line
extending from 10 miles southeast of Seaside Heights to 7 miles
northeast of Barnegat, moving east at 60 mph.

HAZARD...60 mph wind gusts. 

SOURCE...Radar indicated. 

IMPACT...Expect damage to roofs, siding, and trees. 

These severe thunderstorms will remain over mainly rural areas OF
east central Ocean County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

This severe thunderstorm may contain little or no lightning. Do not
wait until you hear thunder before taking cover.

&&

LAT...LON 3988 7406 3974 7410 3975 7416 3992 7411
      3992 7405
TIME...MOT...LOC 2126Z 258DEG 51KT 3989 7390 3983 7412 

HAIL...<.75IN
WIND...60MPH
 
$$

33
371 
WWUS51 KPHI 012131
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
431 PM EST WED MAR 1 2017

NJC029-012140-
/O.CAN.KPHI.SV.W.0021.000000T0000Z-170301T2145Z/
Ocean NJ-
431 PM EST WED MAR 1 2017

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL OCEAN COUNTY IS
CANCELLED...
    
The storms which prompted the warning have weakened below severe
limits, and have exited the warned area. Therefore the warning has
been cancelled.

A severe thunderstorm watch remains in effect until 700 PM EST for
southern New Jersey.

LAT...LON 3988 7406 3974 7410 3975 7416 3992 7411
      3992 7405
TIME...MOT...LOC 2128Z 258DEG 51KT 3990 7386 3984 7408 

$$

33

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 1, 3:32 AM ESTGale WarningPHI36 hr
Mar 1, 2:00 PM ESTSevere Thunderstorm WarningPHISalem45 min
Mar 1, 2:21 PM ESTSpecial Marine WarningPHI54 min
Mar 1, 2:45 PM ESTSevere Thunderstorm WarningPHIAtlantic, Cape May, Cumberland60 min
Mar 1, 2:46 PM ESTSpecial Weather StatementPHICamden, Gloucester29 min
Mar 1, 2:55 PM ESTSpecial Weather StatementPHIHunterdon, Morris, Somerset, Sussex, Warren35 min
Mar 1, 2:57 PM ESTSpecial Marine WarningPHI63 min
Mar 1, 3:09 PM ESTWind AdvisoryPHIAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 10 more19 hr
Mar 1, 3:16 PM ESTSpecial Weather StatementPHIBurlington, Camden, Gloucester, Salem44 min
Mar 1, 3:43 PM ESTSpecial Weather StatementPHIAtlantic, Burlington, Camden, Ocean32 min
Mar 1, 3:52 PM ESTSpecial Marine WarningPHI83 min
Mar 1, 4:00 PM ESTSpecial Marine WarningPHI60 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2017Every severe thunderstorm warning in 2017

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.