Alert archive / Delaware / Wind Advisories in 2011
Wind Advisory 9, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this wind advisory at Sep 15, 2011, 7:48 PM EDT for Sussex County, Delaware; Cape May County, New Jersey. It took effect at Sep 15, 2011, 8:00 PM EDT. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Sep 15, 2011, 7:48 PM EDT (23:48 UTC)
- In effect from
- Sep 15, 2011, 8:00 PM EDT
- Expired
- Sep 16, 2011, 12:00 AM EDT
- 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 23:50 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, 11.8 hours before the alert went out and 108 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
- 273 J/kg
- Mixed-layer CIN
- -98 J/kg
- Mixed-layer LCL
- 851 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 52 m²/s²
- 0-3 km storm-relative helicity
- 56 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
192 WWUS71 KPHI 152348 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 748 PM EDT THU SEP 15 2011 DEZ003-004-NJZ023-024-160400- /O.NEW.KPHI.WI.Y.0009.110916T0000Z-110916T0400Z/ INLAND SUSSEX-DELAWARE BEACHES-CAPE MAY-ATLANTIC COASTAL CAPE MAY- INCLUDING THE CITIES OF...GEORGETOWN...REHOBOTH BEACH... CAPE MAY COURT HOUSE...OCEAN CITY 748 PM EDT THU SEP 15 2011 ...WIND ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL MIDNIGHT EDT TONIGHT. * LOCATIONS...CAPE MAY COUNTY NEW JERSEY AND SUSSEX COUNTY DELAWARE, MAINLY NEAR DELAWARE BAY AND THE ATLANTIC COAST. * HAZARDS...WINDS WILL KNOCK DOWN WEAK TREES OR TREE LIMBS AND MAKE DRIVING OF HIGH PROFILE VEHICLES MORE DIFFICULT. * WINDS...NORTH 10 TO 20 MPH WITH GUSTS BETWEEN 45 AND 50 MPH. * TIMING...IT IS ONGOING AND SHOULD SLOWLY DIMINISH AS THE EVENING PROGRESSES. * IMPACTS...ISOLATED POWER OUTAGES ARE POSSIBLE. WATCH FOR DEBRIS IF DRIVING. 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. && $$ TFG
1 follow-up statement
678 WWUS71 KPHI 160354 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 1154 PM EDT THU SEP 15 2011 DEZ003-004-NJZ023-024-160500- /O.EXP.KPHI.WI.Y.0009.000000T0000Z-110916T0400Z/ INLAND SUSSEX-DELAWARE BEACHES-CAPE MAY-ATLANTIC COASTAL CAPE MAY- INCLUDING THE CITIES OF...GEORGETOWN...REHOBOTH BEACH... CAPE MAY COURT HOUSE...OCEAN CITY 1154 PM EDT THU SEP 15 2011 ...WIND ADVISORY WILL EXPIRE AT MIDNIGHT EDT TONIGHT... WINDS WILL CONTINUE TO SLOWLY DECREASE THROUGH THE EARLY MORNING HOURS. SINCE WIND GUSTS ARE NO LONGER EXPECTED TO REACH 45 MPH...THE WIND ADVISORY WILL BE ALLOWED TO EXPIRE AT MIDNIGHT. $$ HAYES
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 14, 9:27 PM EDT | Special Weather Statement | PHI | Hunterdon, Warren | 2 hr |
| Sep 14, 10:27 PM EDT | Special Weather Statement | PHI | Hunterdon | 63 min |
| Sep 14, 10:58 PM EDT | Special Weather Statement | PHI | Sussex, Warren | 62 min |
| Sep 14, 11:17 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 58 min |
| Sep 14, 11:42 PM EDT | Special Weather Statement | PHI | Sussex | 63 min |
| Sep 14, 11:50 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 23 min |
| Sep 15, 6:50 AM EDT | Gale Warning | PHI | 22 hr | |
| Sep 15, 3:13 PM EDT | Special Weather Statement | PHI | Atlantic | 47 min |
| Sep 15, 3:33 PM EDT | Special Marine Warning | PHI | 12 min | |
| Sep 15, 3:44 PM EDT | Special Marine Warning | PHI | 61 min | |
| Sep 15, 3:48 PM EDT | Special Marine Warning | PHI | 57 min | |
| Sep 15, 4:10 PM EDT | Special Weather Statement | PHI | Atlantic | 95 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.