Alert archive / Delaware / Wind Advisories in 2011
Wind Advisory 13, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this wind advisory at Dec 22, 2011, 9:43 PM EST for Sussex County, Delaware; Cape May County, New Jersey. It took effect at Dec 23, 2011, 2:00 AM EST. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Dec 22, 2011, 9:43 PM EST (02:43 UTC)
- In effect from
- Dec 23, 2011, 2:00 AM EST
- Expired
- Dec 23, 2011, 6:29 AM EST
- In force
- 4 hr
- Issued by
- NWS Philadelphia/Mount Holly
Counties Sussex County, DE, Cape May County, NJ
The radar
The Dover AFB radar (KDOX), 31 km from the middle of the area, began a volume at 02:46 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, 2.7 hours before the alert went out and 109 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
- 903 m above ground
- 0-6 km bulk shear
- 69 kt
- 0-1 km storm-relative helicity
- 146 m²/s²
- 0-3 km storm-relative helicity
- 165 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
104 WWUS71 KPHI 230243 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 943 PM EST THU DEC 22 2011 DEZ003-004-NJZ023-024-231045- /O.NEW.KPHI.WI.Y.0013.111223T0700Z-111223T1300Z/ INLAND SUSSEX-DELAWARE BEACHES-CAPE MAY-ATLANTIC COASTAL CAPE MAY- INCLUDING THE CITIES OF...GEORGETOWN...REHOBOTH BEACH... CAPE MAY COURT HOUSE...OCEAN CITY 943 PM EST THU DEC 22 2011 ...WIND ADVISORY IN EFFECT FROM 2 AM TO 8 AM EST FRIDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 8 AM EST FRIDAY. * LOCATIONS...THE SOUTHERN THIRD OF DELAWARE AND THE SOUTHERN TIP OF NEW JERSEY * HAZARDS...WIND. * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 45 MPH DEVELOPING BETWEEN 2 AM AND 5 AM THEN WIND SHIFTING STRONG WESTERLY FOR AN HOUR TWO BEFORE DIMINISHING LATER IN THE MORNING. * TIMING...BEST CHANCE FOR GUSTS TO 45 MPH IS BETWEEN 3 AM AND 7 AM. * IMPACTS...ISOLATED POWER OUTAGES ARE POSSIBLE NEAR DAWN. PRECAUTIONARY/PREPAREDNESS ACTIONS... MOTORISTS SHOULD USE EXTRA CAUTION...ESPECIALLY THOSE IN HIGH PROFILE VEHICLES. LIGHT-WEIGHT OUTDOOR OBJECTS SUCH AS PATIO FURNITURE AND GARBAGE CANS SHOULD BE SECURED. && $$ DRAG
2 follow-up statements
124 WWUS71 KPHI 230903 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 403 AM EST FRI DEC 23 2011 DEZ003-004-NJZ023-024-231300- /O.CON.KPHI.WI.Y.0013.000000T0000Z-111223T1300Z/ INLAND SUSSEX-DELAWARE BEACHES-CAPE MAY-ATLANTIC COASTAL CAPE MAY- INCLUDING THE CITIES OF...GEORGETOWN...REHOBOTH BEACH... CAPE MAY COURT HOUSE...OCEAN CITY 403 AM EST FRI DEC 23 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 AM EST THIS MORNING... * LOCATIONS...SUSSEX COUNTY DELAWARE AND CAPE MAY COUNTY NEW JERSEY. * HAZARDS...WIND. * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 45 MPH. * IMPACTS...ISOLATED POWER OUTAGES ARE POSSIBLE NEAR DAWN. PRECAUTIONARY/PREPAREDNESS ACTIONS... MOTORISTS SHOULD USE EXTRA CAUTION...ESPECIALLY THOSE IN HIGH PROFILE VEHICLES. LIGHT-WEIGHT OUTDOOR OBJECTS SUCH AS PATIO FURNITURE AND GARBAGE CANS SHOULD BE SECURED. && $$
866 WWUS71 KPHI 231129 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 629 AM EST FRI DEC 23 2011 DEZ003-004-NJZ023-024-231230- /O.CAN.KPHI.WI.Y.0013.000000T0000Z-111223T1300Z/ INLAND SUSSEX-DELAWARE BEACHES-CAPE MAY-ATLANTIC COASTAL CAPE MAY- INCLUDING THE CITIES OF...GEORGETOWN...REHOBOTH BEACH... CAPE MAY COURT HOUSE...OCEAN CITY 629 AM EST FRI DEC 23 2011 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE WIND ADVISORY. $$
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 23, 2:37 AM EST | River Flood Warning | PHI | New Castle | 6 hr |
| Dec 22, 9:38 PM EST | Gale Warning | PHI | 11 hr | |
| Dec 23, 6:27 AM EST | Areal Flood Warning | PHI | Burlington | 93 min |
Nearby
Wind Advisories in Delaware, 2011Wind Advisories in New Jersey, 2011Every wind advisory 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.