Alert archive / Maryland / Wind Advisories in 2007

Wind Advisory 2, NWS Philadelphia/Mount Holly

February 22, 20075 counties in Maryland; 4 counties in New Jersey; Kent County, New Castle County, Sussex County, Delaware

NWS Philadelphia/Mount Holly issued this wind advisory at Feb 22, 2007, 4:26 AM EST for 5 counties in Maryland; 4 counties in New Jersey; Kent County, New Castle County, Sussex County, Delaware. It took effect at Feb 22, 2007, 5:00 PM EST. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Feb 22, 2007, 4:26 AM EST (09:26 UTC)
In effect from
Feb 22, 2007, 5:00 PM EST
Expired
Feb 23, 2007, 3:15 AM EST
In force
10 hr
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, Cape May County, NJ, Cumberland County, NJ, Salem County, NJ

The radar

The Dover AFB radar (KDOX), 42 km from the middle of the area, began a volume at 09:32 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, 9.4 hours before the alert went out and 141 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-pSkew-T log-p diagram, Wallops Is Stn, VA at 00:00Z on 2007-02-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Wallops Is Stn, VA at 00:00Z on 2007-02-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -37 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
948 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
-37 m²/s²
0-3 km storm-relative helicity
36 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WWUS71 KPHI 220926
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
426 AM EST THU FEB 22 2007

DEZ001>004-MDZ008-012-015-019-020-NJZ016-021>025-222200-
/O.NEW.KPHI.WI.Y.0002.070222T2200Z-070223T1000Z/
NEW CASTLE-KENT DE-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD-
QUEEN ANNES-TALBOT-CAROLINE-SALEM-CUMBERLAND-ATLANTIC-CAPE MAY-
ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-
INCLUDING THE CITIES OF...WILMINGTON...DOVER...GEORGETOWN...
REHOBOTH BEACH...ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...
DENTON...PENNSVILLE...MILLVILLE...HAMMONTON...
CAPE MAY COURT HOUSE...OCEAN CITY...ATLANTIC CITY
426 AM EST THU FEB 22 2007

...WIND ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 AM EST
FRIDAY...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 AM EST
FRIDAY.

THE WIND ADVISORY IS IN EFFECT FOR DELAWARE, ADJACENT PORTIONS OF
THE MARYLAND EASTERN SHORE, AND SOUTHERN NEW JERSEY.

AN ALBERTA CLIPPER WILL MOVE ACROSS NEW YORK STATE THIS AFTERNOON 
AND OUT TO SEA OFF LONG ISLAND BY EARLY EVENING. THE SYSTEM WILL 
DEEPEN RAPIDLY AFTER IT REACHES THE COAST, AND IT WILL GENERATE WIND 
GUSTS OF AROUND 45 MPH OVER THE ADVISORY AREA FROM AROUND DUSK
TODAY UNTIL JUST PRIOR TO DAWN FRIDAY. WINDS WILL DIMINISH VERY
GRADUALLY FROM FRIDAY INTO SATURDAY.

THESE WINDS WILL BE CAPABLE OF CAUSING SOME TREE LIMBS, WEAKER TREES 
AND POWER LINES TO COME DOWN AND RESULT IN SCATTERED POWER OUTAGES. 
THE WINDS WILL ALSO MAKE DRIVING OF HIGH PROFILE VEHICLES DIFFICULT, 
ESPECIALLY ON BRIDGES AND OVERPASSES. 

USE EXTRA CAUTION WHILE DRIVING TONIGHT AND STAY TUNED TO NOAA
WEATHER RADIO ALL HAZARDS OR YOUR LOCAL MEDIA OUTLET FOR THE LATEST
INFORMATION.

$$

MPD/KRUZDLO
1 follow-up statement
000 
WWUS71 KPHI 230815
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
315 AM EST FRI FEB 23 2007

DEZ001>004-MDZ008-012-015-019-020-NJZ016-021>025-230915-
/O.CAN.KPHI.WI.Y.0002.000000T0000Z-070223T1000Z/
NEW CASTLE-KENT DE-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD-
QUEEN ANNES-TALBOT-CAROLINE-SALEM-CUMBERLAND-ATLANTIC-CAPE MAY-
ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-
INCLUDING THE CITIES OF...WILMINGTON...DOVER...GEORGETOWN...
REHOBOTH BEACH...ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...
DENTON...PENNSVILLE...MILLVILLE...HAMMONTON...
CAPE MAY COURT HOUSE...OCEAN CITY...ATLANTIC CITY
315 AM EST FRI FEB 23 2007

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE
WIND ADVISORY. 

WINDS ARE EXPECTED TO GUST TO 40 TO 45 MPH AT TIMES THIS MORNING.

$$

MPD

Nearby

Wind Advisories in Maryland, 2007Wind Advisories in New Jersey, 2007Wind Advisories in Delaware, 2007Every wind 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.