Alert archive / Maryland / Snow Advisories in 2007
Snow Advisory 3, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this snow advisory at Feb 6, 2007, 3:30 PM EST for Kent County, Sussex County, Delaware; Cape May County, Cumberland County, New Jersey; 4 counties in Maryland. It took effect at Feb 7, 2007, 12:00 AM EST. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Feb 6, 2007, 3:30 PM EST (20:30 UTC)
- In effect from
- Feb 7, 2007, 12:00 AM EST
- Expired
- Feb 7, 2007, 7:00 AM EST
- In force
- 7 hr
- Issued by
- NWS Philadelphia/Mount Holly
Counties Kent County, DE, Sussex County, DE, Caroline County, MD, Kent County, MD, Queen Anne's County, MD, Talbot County, MD, Cape May County, NJ, Cumberland County, NJ
The radar
The Dover AFB radar (KDOX), 26 km from the middle of the area, began a volume at 20:34 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
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 8.5 hours before the alert went out and 65 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
- 1330 m above ground
- 0-6 km bulk shear
- 87 kt
- 0-1 km storm-relative helicity
- -38 m²/s²
- 0-3 km storm-relative helicity
- 175 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS41 KPHI 062030 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 330 PM EST TUE FEB 6 2007 DEZ002>004-MDZ012-015-019-020-NJZ021-023-024-071100- /O.NEW.KPHI.SN.Y.0003.070207T0500Z-070207T1200Z/ KENT DE-INLAND SUSSEX-DELAWARE BEACHES-KENT MD-QUEEN ANNES- TALBOT-CAROLINE-CUMBERLAND-CAPE MAY-ATLANTIC COASTAL CAPE MAY- INCLUDING THE CITIES OF...DOVER...GEORGETOWN...REHOBOTH BEACH... CHESTERTOWN...CENTREVILLE...EASTON...DENTON...MILLVILLE... CAPE MAY COURT HOUSE...OCEAN CITY 330 PM EST TUE FEB 6 2007 ...SNOW ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 7 AM EST WEDNESDAY... LOW PRESSURE, LOCATED OVER MISSOURI AT MID AFTERNOON, WILL RACE TO THE EAST. THE LOW IS EXPECTED TO PASS OFF THE VIRGINIA COAST LATE TONIGHT AND IT SHOULD BRING A PERIOD OF LIGHT SNOW TO PARTS OF EASTERN MARYLAND, DELAWARE AND EXTREME SOUTHERN NEW JERSEY. MOST OF THE SNOW IS EXPECTED TO FALL BETWEEN MIDNIGHT AND DAYBREAK ON WEDNESDAY. BEING THAT VERY COLD AIR REMAINS OVER THE REGION, IT WILL BE A LIGHT FLUFFY SNOW. ACCUMULATIONS ARE EXPECTED TO RANGE BETWEEN ONE AND TWO INCHES AT MOST LOCATIONS INCLUDED IN THE ADVISORY. IF YOU WILL BE VENTURING OUT LATE TONIGHT OR EARLY ON WEDNESDAY MORNING, BE PREPARED FOR SLIPPERY SPOTS ON UNTREATED ROADS AND WALKWAYS. $$ IOVINO
1 follow-up statement
000 WWUS41 KPHI 070245 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 945 PM EST TUE FEB 6 2007 DEZ002>004-MDZ012-015-019-020-NJZ021-023-024-071100- /O.CON.KPHI.SN.Y.0003.070207T0500Z-070207T1200Z/ KENT DE-INLAND SUSSEX-DELAWARE BEACHES-KENT MD-QUEEN ANNES- TALBOT-CAROLINE-CUMBERLAND-CAPE MAY-ATLANTIC COASTAL CAPE MAY- INCLUDING THE CITIES OF...DOVER...GEORGETOWN...REHOBOTH BEACH... CHESTERTOWN...CENTREVILLE...EASTON...DENTON...MILLVILLE... CAPE MAY COURT HOUSE...OCEAN CITY 945 PM EST TUE FEB 6 2007 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST WEDNESDAY... LOW PRESSURE, LOCATED OVER EASTERN KENTUCKY THIS EVENING, WILL PROGRESS TO THE EAST. THE LOW IS EXPECTED TO PASS OFF THE VIRGINIA COAST LATE TONIGHT AND IT SHOULD BRING A PERIOD OF LIGHT SNOW TO PARTS OF EASTERN MARYLAND, DELAWARE AND EXTREME SOUTHERN NEW JERSEY. MOST OF THE SNOW IS EXPECTED TO FALL BETWEEN MIDNIGHT AND DAYBREAK ON WEDNESDAY. BEING THAT VERY COLD AIR REMAINS OVER THE REGION, IT WILL BE A LIGHT FLUFFY SNOW. ACCUMULATIONS ARE EXPECTED TO RANGE BETWEEN ONE AND TWO INCHES AT MOST LOCATIONS INCLUDED IN THE ADVISORY. IF YOU WILL BE VENTURING OUT LATE TONIGHT OR EARLY ON WEDNESDAY MORNING, BE PREPARED FOR SLIPPERY SPOTS ON UNTREATED ROADS AND WALKWAYS. $$ IOVINO
Nearby
Snow Advisories in Maryland, 2007Snow Advisories in Delaware, 2007Snow Advisories in New Jersey, 2007Every snow advisory in 2007
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.