Alert archive / Pennsylvania / Wind Advisories in 2008

Wind Advisory 8, NWS Philadelphia/Mount Holly

September 5, 20085 counties in Pennsylvania

NWS Philadelphia/Mount Holly issued this wind advisory at Sep 5, 2008, 11:56 AM EDT for 5 counties in Pennsylvania. It took effect at Sep 6, 2008, 12:00 PM EDT. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued
Sep 5, 2008, 11:56 AM EDT (15:56 UTC)
In effect from
Sep 6, 2008, 12:00 PM EDT
Expired
Sep 6, 2008, 11:00 PM EDT
In force
11 hr
Issued by
NWS Philadelphia/Mount Holly

Counties Berks County, PA, Carbon County, PA, Lehigh County, PA, Monroe County, PA, Northampton County, PA

The radar

The Philadelphia radar (KDIX), 133 km from the middle of the area, began a volume at 16:01 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, 3.9 hours before the alert went out and 149 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, Phillips Aaf/Abe, MD at 12:00Z on 2008-09-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 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, Phillips Aaf/Abe, MD at 12:00Z on 2008-09-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 20 square meters per square second.193958Sfc1 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
1025 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
20 m²/s²
0-3 km storm-relative helicity
67 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 051556
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1156 AM EDT FRI SEP 5 2008

PAZ054-055-060>062-060200-
/O.NEW.KPHI.WI.Y.0008.080906T1600Z-080907T0300Z/
CARBON-MONROE-BERKS-LEHIGH-NORTHAMPTON-
INCLUDING THE CITIES OF...JIM THORPE...STROUDSBURG...READING...
ALLENTOWN...BETHLEHEM...EASTON
1156 AM EDT FRI SEP 5 2008

...WIND ADVISORY IN EFFECT FROM 12 NOON TO 11 PM EDT SATURDAY...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 12 NOON TO 11 PM EDT SATURDAY.

TROPICAL STORM HANNA, MOVING UP THE EASTERN SEABOARD, WILL SPREAD
A COMBINATION OF WIND AND RAIN INTO THE AREA TONIGHT INTO SATURDAY
NIGHT. EASTERLY WINDS WILL BEGIN TO INCREASE SATURDAY MORNING,
REACHING 15 TO 20 MPH WITH GUSTS TO AROUND 35 MPH IN THE
AFTERNOON AND EVENING. IN ADDITION, HEAVY RAIN IS EXPECTED LATE
TONIGHT INTO SATURDAY EVENING. AS THE GROUND BECOMES SATURATED AND
THE WINDS INCREASE, THE PROBABILITY OF DOWNED TREES WILL ALSO
INCREASE.

STRONG WINDS CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. ALSO BE ALERT FOR LOCAL HIGHWAY FLOODING AND
NEVER DRIVE INTO A FLOODED ROADWAY. USE EXTRA CAUTION.

$$

RPW
4 follow-up statements
000 
WWUS71 KPHI 060139
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
939 PM EDT FRI SEP 5 2008

PAZ054-055-060>062-061200-
/O.CON.KPHI.WI.Y.0008.080906T1600Z-080907T0300Z/
CARBON-MONROE-BERKS-LEHIGH-NORTHAMPTON-
INCLUDING THE CITIES OF...JIM THORPE...STROUDSBURG...READING...
ALLENTOWN...BETHLEHEM...EASTON
939 PM EDT FRI SEP 5 2008

...WIND ADVISORY REMAINS IN EFFECT FROM 12 PM TO 11 PM EDT
SATURDAY...

A WIND ADVISORY REMAINS IN EFFECT FROM 12 PM TO 11 PM EDT
SATURDAY. 

TROPICAL STORM HANNA... MOVING UP THE EASTERN SEABOARD... WILL
SPREAD A COMBINATION OF WIND AND RAIN INTO THE AREA LATE TONIGHT
INTO SATURDAY NIGHT. EASTERLY WINDS WILL BEGIN TO INCREASE
SATURDAY MORNING... REACHING 15 TO 20 MPH WITH GUSTS TO AROUND 35
MPH IN THE AFTERNOON AND EVENING. IN ADDITION... HEAVY RAIN IS
EXPECTED LATE TONIGHT INTO SATURDAY EVENING. AS THE GROUND BECOMES
SATURATED AND THE WINDS INCREASE...THE PROBABILITY OF DOWNED
TREES WILL ALSO INCREASE.

STRONG WINDS CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. ALSO BE ALERT FOR LOCAL HIGHWAY FLOODING AND
NEVER DRIVE INTO A FLOODED ROADWAY. USE EXTRA CAUTION.

$$


OHARA
000 
WWUS71 KPHI 060900
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
500 AM EDT SAT SEP 6 2008

PAZ054-055-060>062-062100-
/O.CON.KPHI.WI.Y.0008.080906T1600Z-080907T0300Z/
CARBON-MONROE-BERKS-LEHIGH-NORTHAMPTON-
INCLUDING THE CITIES OF...JIM THORPE...STROUDSBURG...READING...
ALLENTOWN...BETHLEHEM...EASTON
500 AM EDT SAT SEP 6 2008

...WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 11 PM EDT
THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 11 PM EDT
THIS EVENING. 

TROPICAL STORM HANNA WILL BE MOVING NORTHWARD FROM EASTERN NORTH
CAROLINA THIS MORNING. THE STORM IS EXPECTED EXPECTED TO THEN
SLOWLY CURVE TO THE NORTHEAST AND MOVE THROUGH DELAWARE THIS
AFTERNOON AND SOUTHERN NEW JERSEY THIS EVENING ON ITS WAY TO
COASTAL NEW ENGLAND TONIGHT. 

SINCE THE STORM WILL BE MOVING BY SO CLOSE TO THE AREA, WE EXPECT 
WIND SWEPT RAINS TO DEVELOP THIS AFTERNOON AND EVENING. WINDS
WILL BE MOSTLY FROM THE EAST TODAY AND INCREASE TO 15 TO 20 MPH
THIS AFTERNOON. WINDS WILL THEN SHIFT TO NORTH AND THEN NORTHWEST
TONIGHT. 

EVEN THOUGH THE SUSTAINED WINDS ARE NOT EXPECTED TO BE THAT
STRONG, WE DO EXPECT STRONG WIND GUSTS TO 40 MPH. THESE WILL BE 
WITHIN HEAVY RAIN BANDS THAT WILL MOVE THROUGH THE AREA THIS
AFTERNOON AND THIS EVENING.

THE GROUND WILL BECOME SATURATED FROM THE HEAVY RAIN AS THE WINDS
INCREASE AND THIS WILL INCREASE THE CHANCES OF DOWNED TREES.

STRONG WINDS CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. ALSO BE ALERT FOR LOCAL HIGHWAY FLOODING AND
NEVER DRIVE INTO A FLOODED ROADWAY. USE EXTRA CAUTION.

$$

RNS
000 
WWUS71 KPHI 060907 CCA
NPWPHI

URGENT - WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
507 AM EDT SAT SEP 6 2008

PAZ054-055-060>062-062115-
/O.COR.KPHI.WI.Y.0008.080906T1600Z-080907T0300Z/
CARBON-MONROE-BERKS-LEHIGH-NORTHAMPTON-
INCLUDING THE CITIES OF...JIM THORPE...STROUDSBURG...READING...
ALLENTOWN...BETHLEHEM...EASTON
507 AM EDT SAT SEP 6 2008

...WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 11 PM EDT
THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 11 PM EDT
THIS EVENING. 

TROPICAL STORM HANNA WILL BE MOVING NORTHWARD FROM EASTERN NORTH
CAROLINA THIS MORNING. THE STORM IS EXPECTED TO THEN SLOWLY CURVE
TO THE NORTHEAST AND MOVE THROUGH DELAWARE THIS AFTERNOON AND
SOUTHERN NEW JERSEY THIS EVENING ON ITS WAY TO COASTAL NEW ENGLAND
TONIGHT.

SINCE THE STORM WILL BE MOVING BY SO CLOSE TO THE AREA, WE EXPECT 
WIND SWEPT RAINS TO DEVELOP THIS AFTERNOON AND EVENING. WINDS
WILL BE MOSTLY FROM THE EAST TODAY AND INCREASE TO 15 TO 20 MPH
THIS AFTERNOON. WINDS WILL THEN SHIFT TO NORTH AND THEN NORTHWEST
TONIGHT. 

EVEN THOUGH THE SUSTAINED WINDS ARE NOT EXPECTED TO BE THAT
STRONG, WE DO EXPECT STRONG WIND GUSTS TO 40 MPH. THESE WILL BE 
WITHIN HEAVY RAIN BANDS THAT WILL MOVE THROUGH THE AREA THIS
AFTERNOON AND THIS EVENING.

THE GROUND WILL BECOME SATURATED FROM THE HEAVY RAIN AS THE WINDS
INCREASE AND THIS WILL INCREASE THE CHANCES OF DOWNED TREES.

STRONG WINDS CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. ALSO BE ALERT FOR LOCAL HIGHWAY FLOODING AND
NEVER DRIVE INTO A FLOODED ROADWAY. USE EXTRA CAUTION.

$$

RNS
000 
WWUS71 KPHI 062028
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
428 PM EDT SAT SEP 6 2008

PAZ054-055-060>062-070300-
/O.CON.KPHI.WI.Y.0008.000000T0000Z-080907T0300Z/
CARBON-MONROE-BERKS-LEHIGH-NORTHAMPTON-
INCLUDING THE CITIES OF...JIM THORPE...STROUDSBURG...READING...
ALLENTOWN...BETHLEHEM...EASTON
428 PM EDT SAT SEP 6 2008

...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM EDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM EDT THIS EVENING. 

THE CENTER OF TROPICAL STORM HANNA WILL CONTINUE TO MOVE TO THE
NORTHEAST THIS EVENING, PASSING THOUGH EASTERN PORTIONS OF NEW
JERSEY BEFORE PUSHING OFFSHORE OVERNIGHT. THE STORM WILL THEN MOVE
RAPIDLY TOWARD THE CANADIAN MARITIMES.

DUE TO THE PROXIMITY OF THE TROPICAL STORM, THERE COULD BE SOME
STRONG WIND GUSTS ACROSS THE AREA LATE THIS AFTERNOON AND THIS
EVENING. EVEN THOUGH THE SUSTAINED WINDS ARE NOT EXPECTED TO BE
THAT STRONG, WE DO EXPECT SOME STRONG WIND GUSTS UP TO 40 MPH.
THESE WILL LIKELY BE ACCOMPANIED BY HEAVY RAIN BANDS THAT WILL
MOVE THROUGH THE AREA LATE THIS AFTERNOON AND THIS EVENING. THE
GROUND WILL BECOME SATURATED FROM THE HEAVY RAIN AS THE WINDS
INCREASE AND THIS WILL INCREASE THE CHANCES OF DOWNED TREES.

STRONG WINDS CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. ALSO BE ALERT FOR LOCAL HIGHWAY FLOODING AND
NEVER DRIVE INTO A FLOODED ROADWAY. USE EXTRA CAUTION.

$$

ROBERTSON

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 5, 12:44 PM EDTInland Tropical Storm WarningPHIDelaware, Philadelphia34 hr

Nearby

Wind Advisories in Pennsylvania, 2008Every wind advisory in 2008

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.