Alert archive / Massachusetts / Wind Advisories in 2007

Wind Advisory 14, NWS Boston/Norton, MA

April 12, 2007Newport County, Washington County, Rhode Island; 5 counties in Massachusetts

NWS Boston/Norton, MA issued this wind advisory at Apr 12, 2007, 4:43 AM EDT for Newport County, Washington County, Rhode Island; 5 counties in Massachusetts. It took effect at Apr 12, 2007, 12:00 PM EDT. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Apr 12, 2007, 4:43 AM EDT (08:43 UTC)
In effect from
Apr 12, 2007, 12:00 PM EDT
Expired
Apr 12, 2007, 5:00 PM EDT
In force
5 hr
Issued by
NWS Boston/Norton, MA

Counties Barnstable County, MA, Bristol County, MA, Dukes County, MA, Nantucket County, MA, Plymouth County, MA, Newport County, RI, Washington County, RI

The radar

The Boston radar (KBOX), 51 km from the middle of the area, began a volume at 08:47 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

Chatham, MA (KCHH), launched 00:00Z, 8.7 hours before the alert went out and 71 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, Chatham, MA at 00:00Z on 2007-04-12Temperature 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, Chatham, MA at 00:00Z on 2007-04-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -29 square meters per square second.19395878Sfc1 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
1262 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
-29 m²/s²
0-3 km storm-relative helicity
52 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 KBOX 120843
NPWBOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
443 AM EDT THU APR 12 2007

...STRONG WINDS TO IMPACT THE SOUTH COASTS OF RHODE ISLAND AND
MASSACHUSETTS AS WELL AS THE CAPE AND ISLANDS THIS AFTERNOON...

.LOW PRESSURE WILL DEVELOP SOUTH OF LONG ISLAND TODAY THEN MOVE
NORTHEASTWARD...PASSING CLOSE TO CAPE COD EARLY TONIGHT. THE LOW
WILL THEN MOVE INTO THE GULF OF MAINE THEN INTO THE CANADIAN
MARITIMES TONIGHT AND FRIDAY.

MAZ020>024-RIZ006>008-121645-
/O.NEW.KBOX.WI.Y.0014.070412T1600Z-070412T2100Z/
SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-BARNSTABLE MA-DUKES MA-
NANTUCKET MA-WASHINGTON RI-NEWPORT RI-BLOCK ISLAND RI-
INCLUDING THE CITIES OF...FALL RIVER...NEW BEDFORD...
MATTAPOISETT...CHATHAM...FALMOUTH...PROVINCETOWN...
VINEYARD HAVEN...NANTUCKET...NARRAGANSETT...WESTERLY...NEWPORT...
BLOCK ISLAND
443 AM EDT THU APR 12 2007

...WIND ADVISORY IN EFFECT FROM NOON TODAY TO 5 PM EDT THIS
AFTERNOON...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM NOON TODAY TO 5 PM EDT THIS
AFTERNOON. 

AS LOW PRESSURE APPROACHES FROM THE SOUTHWEST THIS MORNING...WINDS
WILL INCREASE. BY NOONTIME...SUSTAINED SOUTHEASTERLIES SHOULD BE
BLOWING AT BETWEEN 25 AND 35 MPH WITH GUSTS AROUND 50 MPH. THE WINDS
WILL THEN SUBSIDE LATE THIS AFTERNOON AND EARLY THIS EVENING.

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST TO BE
31 TO 39 MPH OR GUSTS WILL RANGE BETWEEN 46 AND 57 MPH.  WINDS
THIS STRONG ARE CAPABLE OF DOWNING SMALL TREE LIMBS AND
BRANCHES...POSSIBLY CAUSING ISOLATED POWER OUTAGES.  DRIVING CAN
ALSO BE DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES.

$$

The office that day

Everything else NWS Boston/Norton, MA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 12, 2:55 PM EDTSevere Thunderstorm WarningBOXBristol, Newport, Washington35 min
Apr 12, 2:27 PM EDTSpecial Marine WarningBOX33 min
Apr 12, 3:03 PM EDTSpecial Marine WarningBOX27 min

Nearby

Wind Advisories in Massachusetts, 2007Wind Advisories in Rhode Island, 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.