Alert archive / New Jersey / Special Weather Statements in 2011

Special Weather Statement, NWS Philadelphia/Mount Holly

May 19, 2011Camden County, Gloucester County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at May 19, 2011, 4:02 PM EDT for Camden County, Gloucester County, New Jersey. It was in force for 58 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: May 19, 2011, 4:02 PM EDT (20:02 UTC)
Expired: May 19, 2011, 5:00 PM EDT
In force: 58 min
Issued by: NWS Philadelphia/Mount Holly

Counties Camden County, NJ, Gloucester County, NJ

The radar

The Philadelphia radar (KDIX), 55 km from the middle of the area, began a volume at 20:04 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

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 8.0 hours before the alert went out and 102 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 143 J/kg
Mixed-layer CIN: -55 J/kg
Mixed-layer LCL: 819 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: -13 m²/s²
0-3 km storm-relative helicity: 53 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.1

Open this sounding in Storm Lab

The text

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

117 
WWUS81 KPHI 192002
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
402 PM EDT THU MAY 19 2011

NJZ017>019-027-192100-
CAMDEN NJ-GLOUCESTER NJ-NORTHWESTERN BURLINGTON NJ-
SOUTHEASTERN BURLINGTON NJ-
402 PM EDT THU MAY 19 2011

...AN AREA OF STRONG THUNDERSTORMS WILL AFFECT BURLINGTON...CAMDEN 
AND GLOUCESTER COUNTIES...

AT 355 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN 
AREA OF STRONG THUNDERSTORMS ACROSS CAMDEN AND GLOUCESTER COUNTIES 
MOVING NORTH AT AROUND 15 MPH. THE THUNDERSTORM WILL AFFECT 
CAMDEN...GLOUCESTER AND BURLINGTON COUNTIES THROUGH 500 PM. 

VERY HEAVY RAIN WILL FALL FROM THESE STORMS...AND WILL CAUSE WATER TO
POND ON ROADS AND QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS.

THESE STORMS WILL ALSO PRODUCE SMALL HAIL.

LAT...LON 3960 7505 3983 7538 3985 7535 3985 7525
      3989 7514 3995 7514 3998 7511 3997 7509
      4006 7495 4007 7488 4012 7483 4012 7480
      3982 7465

$$

PO

The office that day

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

Issued	Product	Office	Counties	Lasted
May 18, 8:29 PM EDT	Areal Flood Warning	PHI	Morris	4 days
May 19, 3:35 AM EDT	River Flood Warning	PHI	Essex, Morris, Passaic	4 days
May 19, 10:26 AM EDT	River Flood Warning	PHI	Essex, Passaic	65 hr
May 19, 10:28 AM EDT	River Flood Warning	PHI	Passaic	11 hr
May 19, 2:19 PM EDT	Special Weather Statement	PHI	Camden, Cumberland, Gloucester, Salem	56 min
May 19, 2:34 PM EDT	Special Weather Statement	PHI	Warren	56 min
May 19, 3:01 PM EDT	Areal Flood Advisory	PHI	Camden, Gloucester, Salem	3 hr
May 19, 3:23 PM EDT	Special Weather Statement	PHI	Hunterdon	67 min
May 19, 3:34 PM EDT	Small Craft Advisory for Hazardous Seas	PHI		12 hr
May 19, 3:37 PM EDT	Severe Thunderstorm Warning	PHI	Warren	53 min
May 19, 3:40 PM EDT	Areal Flood Advisory	PHI	Hunterdon, Warren	5 hr
May 19, 3:52 PM EDT	Coastal Flood Statement	PHI	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 4 more	8 hr
May 19, 4:06 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden, Gloucester	54 min
May 19, 4:20 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Warren	55 min
May 19, 4:31 PM EDT	Special Weather Statement	PHI	Hunterdon	59 min
May 19, 4:39 PM EDT	Flash Flood Warning	PHI	Hunterdon, Warren	4 hr
May 19, 5:08 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Morris, Somerset, Sussex, Warren	50 min
May 19, 5:21 PM EDT	Special Weather Statement	PHI	Burlington	54 min
May 19, 5:43 PM EDT	Special Marine Warning	PHI		62 min
May 19, 5:58 PM EDT	Special Weather Statement	PHI	Sussex	47 min
May 19, 6:08 PM EDT	Special Weather Statement	PHI	Cumberland, Salem	52 min
May 19, 7:34 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Camden, Cumberland, Gloucester	56 min
May 19, 7:50 PM EDT	Special Weather Statement	PHI	Burlington, Camden	55 min
May 19, 12:31 PM EDT	Special Weather Statement	PHI	Berks	89 min
May 19, 1:26 PM EDT	Areal Flood Advisory	PHI	Berks	5 hr
May 19, 1:29 PM EDT	Severe Thunderstorm Warning	PHI	Berks	61 min
May 19, 2:22 PM EDT	Severe Thunderstorm Warning	PHI	Berks	41 min
May 19, 2:54 PM EDT	Areal Flood Advisory	PHI	Berks, Carbon, Lehigh, Northampton	3 hr
May 19, 3:00 PM EDT	Special Weather Statement	PHI	Carbon	60 min
May 19, 3:05 PM EDT	Special Weather Statement	PHI	Lehigh, Northampton	55 min
May 19, 3:12 PM EDT	Severe Thunderstorm Warning	PHI	Carbon, Lehigh, Monroe, Northampton	63 min
May 19, 3:15 PM EDT	Special Weather Statement	PHI	Chester, Delaware, Montgomery, Philadelphia	60 min
May 19, 4:18 PM EDT	Special Weather Statement	PHI	Monroe	57 min
May 19, 4:28 PM EDT	Special Weather Statement	PHI	Bucks	62 min
May 19, 4:50 PM EDT	Special Weather Statement	PHI	Monroe	55 min
May 19, 7:23 PM EDT	Areal Flood Warning	PHI	Montgomery, Philadelphia	82 min
May 18, 9:10 PM EDT	Coastal Flood Advisory	PHI	Caroline, Cecil, Kent, Queen Anne's, Talbot	11 hr
May 18, 11:46 PM EDT	Special Weather Statement	PHI	Caroline	59 min
May 19, 12:11 PM EDT	Special Weather Statement	PHI	Caroline	94 min
May 19, 12:43 PM EDT	Tornado Warning	PHI	Kent, Queen Anne's	32 min
May 19, 12:54 PM EDT	Special Weather Statement	PHI	Cecil	66 min
May 19, 1:00 PM EDT	Special Weather Statement	PHI	Caroline	60 min
May 19, 1:37 PM EDT	Areal Flood Advisory	PHI	Caroline, Cecil, Kent, Queen Anne's	6 hr
May 19, 3:39 PM EDT	Special Weather Statement	PHI	Caroline, Kent, Queen Anne's, Talbot	51 min
May 19, 4:47 PM EDT	Special Weather Statement	PHI	Cecil, Kent, Queen Anne's	88 min
May 19, 5:13 PM EDT	Severe Thunderstorm Warning	PHI	Cecil, Kent	62 min
May 19, 1:44 PM EDT	Severe Thunderstorm Warning	PHI	Kent, New Castle	46 min
May 19, 5:11 PM EDT	Severe Thunderstorm Warning	PHI	Kent	34 min
May 19, 5:16 PM EDT	Severe Thunderstorm Warning	PHI	Kent	29 min
May 19, 5:23 PM EDT	Severe Thunderstorm Warning	PHI	Kent, New Castle	53 min
May 19, 5:46 PM EDT	Severe Thunderstorm Warning	PHI	Kent	30 min
May 19, 6:12 PM EDT	Severe Thunderstorm Warning	PHI	Kent, New Castle	18 min
May 19, 6:53 PM EDT	Special Weather Statement	PHI	Sussex	67 min

Nearby

Special Weather Statements in New Jersey, 2011 Every special weather statement in 2011

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.