Alert archive / New Jersey / Wind Advisories in 2009
Wind Advisory 12, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this wind advisory at Dec 9, 2009, 5:04 AM EST for Sussex County, Delaware; Atlantic County, Cape May County, New Jersey. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Dec 9, 2009, 5:04 AM EST (10:04 UTC)
- Expired
- Dec 9, 2009, 9:28 AM EST
- In force
- 4 hr
- Issued by
- NWS Philadelphia/Mount Holly
Counties Sussex County, DE, Atlantic County, NJ, Cape May County, NJ
The radar
The Dover AFB radar (KDOX), 52 km from the middle of the area, began a volume at 10:05 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, 10.1 hours before the alert went out and 134 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
- 931 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 106 m²/s²
- 0-3 km storm-relative helicity
- 224 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS71 KPHI 091004 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 504 AM EST WED DEC 9 2009 DEZ004-NJZ024-025-091500- /O.NEW.KPHI.WI.Y.0012.091209T1004Z-091209T1500Z/ DELAWARE BEACHES-ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC- INCLUDING THE CITIES OF...REHOBOTH BEACH...OCEAN CITY... ATLANTIC CITY 504 AM EST WED DEC 9 2009 ...WIND ADVISORY IN EFFECT UNTIL 10 AM EST THIS MORNING... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 10 AM EST THIS MORNING. STRONG ONSHORE WINDS WITH GUSTS TO AROUND 45 MPH WILL CONTINUE INTO THIS MORNING. WINDS WILL DIMINISH A BIT THIS AFTERNOON BUT MAY INCREASE AGAIN TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ RNS
1 follow-up statement
000 WWUS71 KPHI 091428 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 928 AM EST WED DEC 9 2009 DEZ004-NJZ024-025-091530- /O.CAN.KPHI.WI.Y.0012.000000T0000Z-091209T1500Z/ DELAWARE BEACHES-ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC- INCLUDING THE CITIES OF...REHOBOTH BEACH...OCEAN CITY... ATLANTIC CITY 928 AM EST WED DEC 9 2009 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE WIND ADVISORY. THE STRONG ONSHORE WIND HAS ENDED. WIND GUSTS FROM THE SOUTHWEST MAY REACH AROUND 30 MPH THROUGH THE EARLY AFTERNOON. $$
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 9, 5:43 AM EST | River Flood Warning | PHI | New Castle | 9 hr |
| Dec 9, 6:53 AM EST | Areal Flood Warning | PHI | New Castle | 8 hr |
| Dec 9, 7:08 AM EST | Areal Flood Advisory | PHI | Kent, Sussex | 4 hr |
| Dec 9, 7:54 AM EST | River Flood Warning | PHI | New Castle | 8 hr |
| Dec 9, 8:44 AM EST | River Flood Warning | PHI | New Castle | 5 hr |
| Dec 9, 12:00 PM EST | Wind Advisory | PHI | Kent, New Castle, Sussex | 33 hr |
| Dec 9, 2:26 PM EST | Coastal Flood Advisory | PHI | New Castle | 7 hr |
| Dec 9, 2:55 PM EST | Areal Flood Warning | PHI | New Castle | 7 hr |
| Dec 9, 4:55 PM EST | Areal Flood Warning | PHI | Sussex | 6 hr |
| Dec 9, 7:01 AM EST | Areal Flood Advisory | PHI | Atlantic, Burlington, Cape May, Cumberland | 4 hr |
| Dec 9, 7:29 AM EST | Areal Flood Warning | PHI | Hunterdon, Mercer, Middlesex, Somerset | 8 hr |
| Dec 9, 8:02 AM EST | Areal Flood Advisory | PHI | Monmouth, Ocean | 4 hr |
| Dec 9, 8:11 AM EST | River Flood Warning | PHI | Mercer | 8 hr |
| Dec 9, 9:58 AM EST | Areal Flood Advisory | PHI | Warren | 3 hr |
| Dec 9, 10:35 AM EST | Coastal Flood Advisory | PHI | Monmouth, Ocean | 3 hr |
| Dec 9, 10:48 AM EST | River Flood Warning | PHI | Somerset | 31 hr |
| Dec 9, 3:42 PM EST | Areal Flood Warning | PHI | Hunterdon, Mercer, Middlesex, Somerset | 16 hr |
Nearby
Wind Advisories in New Jersey, 2009Wind Advisories in Delaware, 2009Every wind advisory in 2009
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.