Alert archive / New Jersey / Wind Advisories in 2018

Wind Advisory 1, NWS Philadelphia/Mount Holly

January 11, 20184 states

NWS Philadelphia/Mount Holly issued this wind advisory at Jan 11, 2018, 2:34 PM EST for 4 states. It took effect at Jan 12, 2018, 5:00 AM EST. It was in force for .

The area

The counties it named.

The facts

Issued: Jan 11, 2018, 2:34 PM EST (19:34 UTC)
In effect from: Jan 12, 2018, 5:00 AM EST
Expired: Jan 12, 2018, 3:59 AM EST
In force
Issued by: NWS Philadelphia/Mount Holly

Counties Kent County, DE, New Castle County, DE, Sussex County, DE, Caroline County, MD, Cecil County, MD, Kent County, MD, Queen Anne's County, MD, Talbot County, MD, Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Gloucester County, NJ, Monmouth County, NJ, Ocean County, NJ, Delaware County, PA, Philadelphia County, PA

The radar

The Dover AFB radar (KDOX), 74 km from the middle of the area, began a volume at 19:34 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 12:00Z, 7.6 hours before the alert went out and 173 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: 1 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 997 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 40 m²/s²
0-3 km storm-relative helicity: 85 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

898 
WWUS71 KPHI 111934
NPWPHI

URGENT - WEATHER MESSAGE
National Weather Service Mount Holly NJ
234 PM EST Thu Jan 11 2018


DEZ001>003-MDZ008-012-015-019-020-NJZ013-017>020-022-027-PAZ070-
071-120930-
/O.NEW.KPHI.WI.Y.0001.180112T1000Z-180112T1700Z/
New Castle-Kent-Inland Sussex-Cecil-Kent MD-Queen Annes-Talbot-
Caroline-Western Monmouth-Gloucester-Camden-
Northwestern Burlington-Ocean-Atlantic-Southeastern Burlington-
Delaware-Philadelphia-
Including the cities of Wilmington, Dover, Georgetown, Elkton, 
Chestertown, Centreville, Easton, Denton, Freehold, Glassboro, 
Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Hammonton,
Wharton State Forest, Media, and Philadelphia
234 PM EST Thu Jan 11 2018

...WIND ADVISORY IN EFFECT FROM 5 AM TO NOON EST FRIDAY...

The National Weather Service in Mount Holly has issued a Wind
Advisory, which is in effect from 5 AM to noon EST Friday.

* Locations...southeastern New Jersey, Philadelphia, Delaware and
  Maryland's eastern shore. 

* WINDS...South 10 to 20 mph with scattered gusts up to 45 mph.

* TIMING...There should be a brief period or two of strong south
  winds. In Eastern Maryland this should occur between 5 am and 10
  am, elsewhere strongest winds should occur between 7 AM and
  Noon. These winds may be accompanied by an isolated
  thunderstorm. 

* IMPACTS...Strong winds may blow down limbs, trees, and power 
  lines. Scattered power outages are expected.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that very windy conditions are expected.
Winds this strong can make driving difficult...especially for
high profile vehicles. Use extra caution. Light-weight outdoor
objects such as patio furniture and garbage cans should be
secured.

&&

$$

Drag

1 follow-up statement

247 
WWUS71 KPHI 120859
NPWPHI

URGENT - WEATHER MESSAGE
National Weather Service Mount Holly NJ
359 AM EST Fri Jan 12 2018


DEZ001>003-MDZ008-012-015-019-020-NJZ013-017>020-022-027-PAZ070-
071-121000-
/O.CAN.KPHI.WI.Y.0001.180112T1000Z-180112T1700Z/
New Castle-Kent-Inland Sussex-Cecil-Kent MD-Queen Annes-Talbot-
Caroline-Western Monmouth-Gloucester-Camden-
Northwestern Burlington-Ocean-Atlantic-Southeastern Burlington-
Delaware-Philadelphia-
Including the cities of Wilmington, Dover, Georgetown, Elkton, 
Chestertown, Centreville, Easton, Denton, Freehold, Glassboro, 
Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Hammonton,
Wharton State Forest, Media, and Philadelphia
359 AM EST Fri Jan 12 2018

...WIND ADVISORY IS CANCELLED...

The National Weather Service in Mount Holly has cancelled the
Wind Advisory.

Winds are expected to be slightly lower than previously forecast.
Therefore, the wind advisory has been cancelled. However, wind
gusts to 35 mph will still be possible through the day.

$$

SFJ

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 11, 3:48 PM EST	Winter Weather Advisory	PHI	Berks, Carbon, Lehigh, Monroe, Northampton	39 hr

Nearby

Wind Advisories in New Jersey, 2018 Wind Advisories in Maryland, 2018 Wind Advisories in Delaware, 2018 Every wind advisory in 2018

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.