Alert archive / New Jersey / Special Weather Statements in 2011
Special Weather Statement, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this special weather statement at Mar 21, 2011, 7:58 AM EDT for 8 counties in New Jersey; Caroline County, Talbot County, Maryland; Kent County, Sussex County, Delaware. It was in force for 92 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 21, 2011, 7:58 AM EDT (11:58 UTC)
- Expired
- Mar 21, 2011, 9:30 AM EDT
- In force
- 92 min
- Issued by
- NWS Philadelphia/Mount Holly
Counties Kent County, DE, Sussex County, DE, Caroline County, MD, Talbot County, MD, Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Cape May County, NJ, Cumberland County, NJ, Gloucester County, NJ, Ocean County, NJ, Salem County, NJ
The radar
The Dover AFB radar (KDOX), 23 km from the middle of the area, began a volume at 11:59 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
Wallops Is Stn, VA (KWAL), launched 00:00Z, 12.0 hours before the alert went out and 122 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1228 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 96 m²/s²
- 0-3 km storm-relative helicity
- 197 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
393
WWUS81 KPHI 211158
SPSPHI
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
758 AM EDT MON MAR 21 2011
DEZ001>004-MDZ012-015-019-020-NJZ016>027-211330-
ATLANTIC NJ-ATLANTIC COASTAL CAPE MAY NJ-CAMDEN NJ-CAPE MAY NJ-
CAROLINE MD-COASTAL ATLANTIC NJ-COASTAL OCEAN NJ-CUMBERLAND NJ-
DELAWARE BEACHES DE-GLOUCESTER NJ-INLAND SUSSEX DE-KENT MD-KENT DE-
NEW CASTLE DE-NORTHWESTERN BURLINGTON NJ-OCEAN NJ-QUEEN ANNE'S MD-
SALEM NJ-SOUTHEASTERN BURLINGTON NJ-TALBOT MD-
758 AM EDT MON MAR 21 2011
...SCATTERED STRONG THUNDERSTORMS WILL AFFECT
ATLANTIC...BURLINGTON...CAMDEN...CAPEMAY...CAROLINE...CUMBERLAND...
GLOUCESTER...KENT...NEW CASTLE...OCEAN...QUEEN
ANNE'S...SALEM...SUSSEX AND TALBOT COUNTIES...
AT 752 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN
AREA OF SCATTERED STRONG THUNDERSTORMS ACROSS THE DELAWARE VALLEY
SOUTHWEST INTO NORTHERN DELAWARE. THE AREA WAS MOVING EAST AT AROUND
45 MPH. THESE SHOWERS AND THUNDERSTORMS WILL CONTINUE TO AFFECT
SOUTHERN NEW JERSEY AND THE DELMARVA REGION THROUGH 930 AM.
WIND GUSTS TO 40 MPH AND SMALL HAIL ARE POSSIBLE WITH ANY
THUNDERSTORM.
LAT...LON 3846 7570 3867 7576 3869 7590 3857 7604
3873 7625 3870 7635 3876 7639 3887 7626
3882 7620 3891 7622 3998 7495 3992 7406
3955 7422 3951 7426 3960 7427 3953 7440
3945 7429 3891 7497 3844 7505
$$
POThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 21, 6:12 AM EDT | Special Weather Statement | PHI | Salem | 63 min |
| Mar 21, 6:51 AM EDT | Special Weather Statement | PHI | Cumberland, Gloucester, Salem | 54 min |
Nearby
Special Weather Statements in New Jersey, 2011Special Weather Statements in Maryland, 2011Special Weather Statements in Delaware, 2011Every 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.