Alert archive / Massachusetts / Heavy Snow Warnings in 2008

Heavy Snow Warning 2, NWS Boston/Norton, MA

February 29, 20086 counties in Massachusetts; Cheshire County, Hillsborough County, New Hampshire; Capitol Planning Region, Connecticut

NWS Boston/Norton, MA issued this heavy snow warning at Feb 29, 2008, 5:08 AM EST for 6 counties in Massachusetts; Cheshire County, Hillsborough County, New Hampshire; Capitol Planning Region, Connecticut. It took effect at Feb 29, 2008, 10:00 PM EST. It was in force for 14 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Feb 29, 2008, 5:08 AM EST (10:08 UTC)
In effect from
Feb 29, 2008, 10:00 PM EST
Expired
Mar 1, 2008, 11:38 AM EST
In force
14 hr
Issued by
NWS Boston/Norton, MA

Counties Capitol Planning Region, CT, Essex County, MA, Franklin County, MA, Hampden County, MA, Hampshire County, MA, Middlesex County, MA, Worcester County, MA, Cheshire County, NH, Hillsborough County, NH

The radar

The Boston radar (KBOX), 95 km from the middle of the area, began a volume at 10:06 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

Albany, NY (KALY), launched 00:00Z, 10.1 hours before the alert went out and 147 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, Albany, NY at 00:00Z on 2008-02-29Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albany, NY at 00:00Z on 2008-02-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 19 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
1185 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
19 m²/s²
0-3 km storm-relative helicity
76 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 
WWUS41 KBOX 291008
WSWBOX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
508 AM EST FRI FEB 29 2008

MAZ002>006-008>012-026-NHZ011-012-015-291815-
/O.UPG.KBOX.WS.A.0009.080301T0300Z-080301T1700Z/
/O.NEW.KBOX.HS.W.0002.080301T0300Z-080301T1700Z/
WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-
CENTRAL MIDDLESEX MA-WESTERN ESSEX MA-WESTERN HAMPSHIRE MA-
WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-EASTERN HAMPDEN MA-
SOUTHERN WORCESTER MA-NORTHERN MIDDLESEX MA-CHESHIRE NH-
EASTERN HILLSBOROUGH NH-WESTERN AND CENTRAL HILLSBOROUGH NH-
INCLUDING THE CITIES OF...CHARLEMONT...GREENFIELD...ORANGE...
BARRE...FITCHBURG...FRAMINGHAM...LOWELL...LAWRENCE...
CHESTERFIELD...BLANDFORD...AMHERST...NORTHAMPTON...SPRINGFIELD...
MILFORD...WORCESTER...AYER...JAFFREY...KEENE...MANCHESTER...
NASHUA...PETERBOROUGH...WEARE
508 AM EST FRI FEB 29 2008

...HEAVY SNOW WARNING IN EFFECT FROM 10 PM THIS EVENING TO 12 PM
EST SATURDAY...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A HEAVY SNOW
WARNING...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 12 PM EST
SATURDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 

THIS WARNING INCLUDES MUCH OF MASSACHUSETTS ALONG AND NORTH OF THE
MASSACHUSETTS TURNPIKE AND NORTH AND WEST OF ROUTE 128...EXTENDING
NORTH INTO SOUTHWEST NEW HAMPSHIRE.

SNOW WILL OVERSPREAD THE CONNECTICUT VALLEY THIS EVENING...REACHING
NORTHEAST MASSACHUSETTS BY MIDNIGHT. THE SNOW WILL BE HEAVY AT TIMES
LATE TONIGHT INTO SATURDAY MORNING...WITH SNOWFALL RATES AROUND ONE
INCH PER HOUR.

SNOW WILL ACCUMULATE 4 TO 8 INCHES NEAR THE MASSACHUSETTS TURNPIKE
TO THE ROUTE 128 CORRIDOR...WITH AMOUNTS INCREASING TO 8 TO 12 INCHES
FROM THE BERKSHIRES AND NORTHERN WORCESTER HILLS NORTH INTO THE
MONADNOCKS.

THE SNOW WILL TAPER OFF TO SCATTERED SNOW SHOWERS SATURDAY
AFTERNOON.
 
A HEAVY SNOW WARNING IS ISSUED WHEN AN AVERAGE OF 6 OR MORE INCHES
OF SNOW IS EXPECTED IN A 12 HOUR PERIOD OR FOR 8 OR MORE INCHES IN A
24 HOUR PERIOD. TRAVEL WILL BE SLOW AT BEST ON WELL TREATED
SURFACES...AND QUITE DIFFICULT ON ANY UNPLOWED OR UNTREATED SURFACES.

$$

CTZ002-003-291815-
/O.NEW.KBOX.HS.W.0002.080301T0300Z-080301T1700Z/
HARTFORD CT-TOLLAND CT-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON
508 AM EST FRI FEB 29 2008

...HEAVY SNOW WARNING IN EFFECT FROM 10 PM THIS EVENING TO 12 PM
EST SATURDAY...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A HEAVY SNOW
WARNING...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 12 PM EST
SATURDAY. 

THIS WARNING INCLUDES HARTFORD AND TOLLAND COUNTIES IN CONNECTICUT.  
 
SNOW WILL OVERSPREAD NORTHERN CONNECTICUT THIS EVENING AND BECOME
HEAVY AT TIMES AFTER MIDNIGHT...WITH SNOWFALL RATES UP TO ONE INCH
PER HOUR.

SNOW ACCUMULATIONS OF 4 TO 8 INCHES ARE EXPECTED BEFORE THE SNOW
TAPERS OFF BY MIDDAY SATURDAY.

A HEAVY SNOW WARNING IS ISSUED WHEN AN AVERAGE OF 6 OR MORE INCHES
OF SNOW IS EXPECTED IN A 12 HOUR PERIOD OR FOR 8 OR MORE INCHES IN A
24 HOUR PERIOD. TRAVEL WILL BE SLOW AT BEST ON WELL TREATED
SURFACES...AND QUITE DIFFICULT ON ANY UNPLOWED OR UNTREATED SURFACES.

$$

CTZ004-MAZ007-013>016-RIZ001-003-291815-
/O.NEW.KBOX.SN.Y.0006.080301T0300Z-080301T1700Z/
WINDHAM CT-EASTERN ESSEX MA-WESTERN NORFOLK MA-
SOUTHEAST MIDDLESEX MA-SUFFOLK MA-EASTERN NORFOLK MA-
NORTHWEST PROVIDENCE RI-WESTERN KENT RI-
INCLUDING THE CITIES OF...PUTNAM...WILLIMANTIC...GLOUCESTER...
FOXBORO...NORWOOD...CAMBRIDGE...BOSTON...QUINCY...FOSTER...
SMITHFIELD...WEST GREENWICH
508 AM EST FRI FEB 29 2008

...SNOW ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 12 PM EST
SATURDAY...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 12 PM
EST SATURDAY. 

THIS ADVISORY INCLUDES NORTHEAST CONNECTICUT AND NORTHWEST RHODE
ISLAND EXTENDING NORTHEAST TO BOSTON AND THE NORTH SHORE.

SNOW WILL OVERSPREAD NORTHEAST CONNECTICUT THIS EVENING...REACHING
BOSTON AND THE NORTH SHORE AROUND MIDNIGHT. THE SNOW MAY BE BRIEFLY
HEAVY LATE TONIGHT AND EARLY SATURDAY...BEFORE MIXING WITH OR
CHANGING TO RAIN SHOWERS ALONG THE INTERSTATE 95 CORRIDOR AROUND
MIDDAY SATURDAY. OTHERWISE...THE SNOW WILL TAPER OFF SATURDAY
AFTERNOON.
 
SNOW ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED ACROSS MUCH OF THE
ADVISORY AREA...EXCEPT 3 TO 6 INCHES OVER THE HILLS IN NORTHEAST
CONNECTICUT AND NORTHWEST RHODE ISLAND.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

KJC
7 follow-up statements
000 
WWUS41 KBOX 291526
WSWBOX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
1026 AM EST FRI FEB 29 2008

CTZ002-003-MAZ002>006-008>012-026-NHZ011-012-015-292330-
/O.CON.KBOX.HS.W.0002.080301T0300Z-080301T1700Z/
HARTFORD CT-TOLLAND CT-WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-
NORTHERN WORCESTER MA-CENTRAL MIDDLESEX MA-WESTERN ESSEX MA-
WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-
EASTERN HAMPDEN MA-SOUTHERN WORCESTER MA-NORTHERN MIDDLESEX MA-
CHESHIRE NH-EASTERN HILLSBOROUGH NH-
WESTERN AND CENTRAL HILLSBOROUGH NH-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...CHARLEMONT...GREENFIELD...ORANGE...BARRE...FITCHBURG...
FRAMINGHAM...LOWELL...LAWRENCE...CHESTERFIELD...BLANDFORD...
AMHERST...NORTHAMPTON...SPRINGFIELD...MILFORD...WORCESTER...
AYER...JAFFREY...KEENE...MANCHESTER...NASHUA...PETERBOROUGH...
WEARE
1026 AM EST FRI FEB 29 2008

...HEAVY SNOW WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING
TO 12 PM EST SATURDAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO
12 PM EST SATURDAY. 

THIS WARNING INCLUDES MUCH OF MASSACHUSETTS ALONG AND NORTH OF
THE MASSACHUSETTS TURNPIKE AND NORTH AND WEST OF ROUTE 128...
EXTENDING NORTH INTO SOUTHWEST NEW HAMPSHIRE.

SNOW WILL OVERSPREAD THE CONNECTICUT VALLEY THIS EVENING...
REACHING NORTHEAST MASSACHUSETTS BY MIDNIGHT. THE SNOW WILL BE
HEAVY AT TIMES LATE TONIGHT INTO SATURDAY MORNING...WITH SNOWFALL
RATES AROUND ONE INCH PER HOUR.

SNOW WILL ACCUMULATE 4 TO 8 INCHES NEAR THE MASSACHUSETTS
TURNPIKE TO THE ROUTE 128 CORRIDOR...WITH AMOUNTS INCREASING TO
8 TO 12 INCHES FROM THE BERKSHIRES AND NORTHERN WORCESTER HILLS
NORTH INTO THE MONADNOCKS.

THE SNOW WILL TAPER OFF TO SCATTERED SNOW SHOWERS SATURDAY
AFTERNOON.

A HEAVY SNOW WARNING IS ISSUED WHEN AN AVERAGE OF 6 OR MORE
INCHES OF SNOW IS EXPECTED IN A 12 HOUR PERIOD OR FOR 8 OR MORE
INCHES IN A 24 HOUR PERIOD. TRAVEL WILL BE SLOW AT BEST ON WELL
TREATED SURFACES...AND QUITE DIFFICULT ON ANY UNPLOWED OR
UNTREATED SURFACES.

$$

MAZ017-RIZ002-292330-
/O.EXA.KBOX.SN.Y.0006.080301T0300Z-080301T1700Z/
NORTHERN BRISTOL MA-SOUTHEAST PROVIDENCE RI-
INCLUDING THE CITIES OF...TAUNTON...PROVIDENCE
1026 AM EST FRI FEB 29 2008

...SNOW ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 12 PM EST
SATURDAY...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 12 PM
EST SATURDAY. 

THIS ADVISORY INCLUDES NORTHEAST CONNECTICUT AND NORTHERN RHODE ISLAND
EXTENDING NORTHEAST TO BOSTON AND THE NORTH SHORE.

SNOW WILL OVERSPREAD NORTHEAST CONNECTICUT THIS EVENING...
REACHING BOSTON AND THE NORTH SHORE AROUND MIDNIGHT. THE SNOW MAY
BE BRIEFLY HEAVY LATE TONIGHT AND EARLY SATURDAY...BEFORE MIXING
WITH OR CHANGING TO RAIN SHOWERS ALONG THE INTERSTATE 95 CORRIDOR
AROUND MIDDAY SATURDAY. OTHERWISE...THE SNOW WILL TAPER OFF
SATURDAY AFTERNOON.

SNOW ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED ACROSS MUCH OF
THE ADVISORY AREA...EXCEPT 3 TO 6 INCHES OVER THE HILLS IN
NORTHEAST CONNECTICUT AND NORTHWEST RHODE ISLAND.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

CTZ004-MAZ007-013>016-RIZ001-003-292330-
/O.CON.KBOX.SN.Y.0006.080301T0300Z-080301T1700Z/
WINDHAM CT-EASTERN ESSEX MA-WESTERN NORFOLK MA-
SOUTHEAST MIDDLESEX MA-SUFFOLK MA-EASTERN NORFOLK MA-
NORTHWEST PROVIDENCE RI-WESTERN KENT RI-
INCLUDING THE CITIES OF...PUTNAM...WILLIMANTIC...GLOUCESTER...
FOXBORO...NORWOOD...CAMBRIDGE...BOSTON...QUINCY...FOSTER...
SMITHFIELD...WEST GREENWICH
1026 AM EST FRI FEB 29 2008

...SNOW ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO
12 PM EST SATURDAY...

A SNOW ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO
12 PM EST SATURDAY. 

THIS ADVISORY INCLUDES NORTHEAST CONNECTICUT AND NORTHWEST RHODE
ISLAND EXTENDING NORTHEAST TO BOSTON AND THE NORTH SHORE.

SNOW WILL OVERSPREAD NORTHEAST CONNECTICUT THIS EVENING...
REACHING BOSTON AND THE NORTH SHORE AROUND MIDNIGHT. THE SNOW MAY
BE BRIEFLY HEAVY LATE TONIGHT AND EARLY SATURDAY...BEFORE MIXING
WITH OR CHANGING TO RAIN SHOWERS ALONG THE INTERSTATE 95 CORRIDOR
AROUND MIDDAY SATURDAY. OTHERWISE...THE SNOW WILL TAPER OFF
SATURDAY AFTERNOON.

SNOW ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED ACROSS MUCH OF
THE ADVISORY AREA...EXCEPT 3 TO 6 INCHES OVER THE HILLS IN
NORTHEAST CONNECTICUT AND NORTHWEST RHODE ISLAND.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$
000 
WWUS41 KBOX 292103
WSWBOX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
403 PM EST FRI FEB 29 2008

CTZ002-003-MAZ002>006-008>012-026-NHZ011-012-015-010515-
/O.CON.KBOX.HS.W.0002.080301T0300Z-080301T1700Z/
HARTFORD CT-TOLLAND CT-WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-
NORTHERN WORCESTER MA-CENTRAL MIDDLESEX MA-WESTERN ESSEX MA-
WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-
EASTERN HAMPDEN MA-SOUTHERN WORCESTER MA-NORTHERN MIDDLESEX MA-
CHESHIRE NH-EASTERN HILLSBOROUGH NH-
WESTERN AND CENTRAL HILLSBOROUGH NH-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...CHARLEMONT...GREENFIELD...ORANGE...BARRE...FITCHBURG...
FRAMINGHAM...LOWELL...LAWRENCE...CHESTERFIELD...BLANDFORD...
AMHERST...NORTHAMPTON...SPRINGFIELD...MILFORD...WORCESTER...
AYER...JAFFREY...KEENE...MANCHESTER...NASHUA...PETERBOROUGH...
WEARE
403 PM EST FRI FEB 29 2008

...HEAVY SNOW WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING
TO 12 PM EST SATURDAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO
12 PM EST SATURDAY. 

THIS WARNING INCLUDES MUCH OF MASSACHUSETTS ALONG AND NORTH OF
THE MASSACHUSETTS TURNPIKE AND NORTH AND WEST OF ROUTE 128...
EXTENDING NORTH INTO SOUTHWEST NEW HAMPSHIRE AND SOUTH INTO NORTH
CENTRAL CONNECTICUT.

SNOW WILL OVERSPREAD THE CONNECTICUT VALLEY LATE THIS EVENING...
REACHING NORTHEAST MASSACHUSETTS BY MIDNIGHT. THE SNOW WILL BE
HEAVY AT TIMES LATE TONIGHT INTO SATURDAY MORNING...WITH SNOWFALL
RATES AROUND ONE INCH PER HOUR.

SNOW WILL ACCUMULATE 4 TO 8 INCHES NEAR THE MASSACHUSETTS
TURNPIKE TO THE ROUTE 128 CORRIDOR...WITH AMOUNTS INCREASING TO
8 TO 12 INCHES FROM THE BERKSHIRES AND NORTHERN WORCESTER HILLS
NORTH INTO THE MONADNOCKS.

THE SNOW WILL TAPER OFF TO SCATTERED SNOW SHOWERS SATURDAY
AFTERNOON.

A HEAVY SNOW WARNING IS ISSUED WHEN AN AVERAGE OF 6 OR MORE
INCHES OF SNOW IS EXPECTED IN A 12 HOUR PERIOD OR FOR 8 OR MORE
INCHES IN A 24 HOUR PERIOD. TRAVEL WILL BE SLOW AT BEST ON WELL
TREATED SURFACES...AND QUITE DIFFICULT ON ANY UNPLOWED OR
UNTREATED SURFACES.

$$

MAZ018-019-010515-
/O.EXA.KBOX.SN.Y.0006.080301T0300Z-080301T1700Z/
WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-
INCLUDING THE CITIES OF...BROCKTON...PLYMOUTH
403 PM EST FRI FEB 29 2008

...SNOW ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 12 PM EST
SATURDAY...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 12 PM
EST SATURDAY. 

THIS ADVISORY INCLUDES THE NORTH SHORE THROUGH METRO BOSTON INTO
SOUTHEAST MASSACHUSETTS...NORTHERN RHODE ISLAND AND NORTHEASTERN
CONNECTICUT.

SNOW WILL OVERSPREAD NORTHEAST CONNECTICUT LATE THIS EVENING...
REACHING BOSTON AND THE NORTH SHORE AROUND MIDNIGHT. THE SNOW MAY
BE BRIEFLY HEAVY LATE TONIGHT AND EARLY SATURDAY...BEFORE MIXING
WITH OR CHANGING TO RAIN SHOWERS ALONG THE INTERSTATE 95 CORRIDOR
AROUND MIDDAY SATURDAY. OTHERWISE...THE SNOW WILL TAPER OFF
SATURDAY AFTERNOON.

SNOW ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED ACROSS MUCH OF
THE ADVISORY AREA...EXCEPT 3 TO 6 INCHES OVER THE HILLS IN
NORTHEAST CONNECTICUT AND NORTHWEST RHODE ISLAND.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

CTZ004-MAZ007-013>017-RIZ001>003-010515-
/O.CON.KBOX.SN.Y.0006.080301T0300Z-080301T1700Z/
WINDHAM CT-EASTERN ESSEX MA-WESTERN NORFOLK MA-
SOUTHEAST MIDDLESEX MA-SUFFOLK MA-EASTERN NORFOLK MA-
NORTHERN BRISTOL MA-NORTHWEST PROVIDENCE RI-
SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-
INCLUDING THE CITIES OF...PUTNAM...WILLIMANTIC...GLOUCESTER...
FOXBORO...NORWOOD...CAMBRIDGE...BOSTON...QUINCY...TAUNTON...
FOSTER...SMITHFIELD...PROVIDENCE...WEST GREENWICH
403 PM EST FRI FEB 29 2008

...SNOW ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO
12 PM EST SATURDAY...

A SNOW ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO
12 PM EST SATURDAY. 

THIS ADVISORY INCLUDES THE NORTH SHORE THROUGH METRO BOSTON INTO
SOUTHEAST MASSACHUSETTS...NORTHERN RHODE ISLAND AND NORTHEASTERN
CONNECTICUT.

SNOW WILL OVERSPREAD NORTHEAST CONNECTICUT LATE THIS EVENING...
REACHING BOSTON AND THE NORTH SHORE AROUND MIDNIGHT. THE SNOW MAY
BE BRIEFLY HEAVY LATE TONIGHT AND EARLY SATURDAY...BEFORE MIXING
WITH OR CHANGING TO RAIN SHOWERS ALONG THE INTERSTATE 95 CORRIDOR
AROUND MIDDAY SATURDAY. OTHERWISE...THE SNOW WILL TAPER OFF
SATURDAY AFTERNOON.

SNOW ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED ACROSS MUCH OF
THE ADVISORY AREA...EXCEPT 3 TO 6 INCHES OVER THE HILLS IN
NORTHEAST CONNECTICUT AND NORTHWEST RHODE ISLAND.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$
000 
WWUS41 KBOX 292145
WSWBOX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
445 PM EST FRI FEB 29 2008

CTZ002-003-MAZ002>006-008>012-026-NHZ011-012-015-010545-
/O.CON.KBOX.HS.W.0002.080301T0300Z-080301T1700Z/
HARTFORD CT-TOLLAND CT-WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-
NORTHERN WORCESTER MA-CENTRAL MIDDLESEX MA-WESTERN ESSEX MA-
WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-
EASTERN HAMPDEN MA-SOUTHERN WORCESTER MA-NORTHERN MIDDLESEX MA-
CHESHIRE NH-EASTERN HILLSBOROUGH NH-
WESTERN AND CENTRAL HILLSBOROUGH NH-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...CHARLEMONT...GREENFIELD...ORANGE...BARRE...FITCHBURG...
FRAMINGHAM...LOWELL...LAWRENCE...CHESTERFIELD...BLANDFORD...
AMHERST...NORTHAMPTON...SPRINGFIELD...MILFORD...WORCESTER...
AYER...JAFFREY...KEENE...MANCHESTER...NASHUA...PETERBOROUGH...
WEARE
445 PM EST FRI FEB 29 2008

...HEAVY SNOW WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING
TO 12 PM EST SATURDAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO
12 PM EST SATURDAY. 

THIS WARNING INCLUDES MUCH OF MASSACHUSETTS ALONG AND NORTH OF
THE MASSACHUSETTS TURNPIKE AND NORTH AND WEST OF ROUTE 128...
EXTENDING NORTH INTO SOUTHWEST NEW HAMPSHIRE AND SOUTH INTO NORTH
CENTRAL CONNECTICUT.

SNOW WILL OVERSPREAD THE CONNECTICUT VALLEY LATE THIS EVENING...
REACHING NORTHEAST MASSACHUSETTS BY MIDNIGHT. THE SNOW WILL BE
HEAVY AT TIMES LATE TONIGHT INTO SATURDAY MORNING...WITH SNOWFALL
RATES AROUND ONE INCH PER HOUR.

SNOW WILL ACCUMULATE 4 TO 8 INCHES NEAR THE MASSACHUSETTS
TURNPIKE TO THE ROUTE 128 CORRIDOR...WITH AMOUNTS INCREASING TO
8 TO 12 INCHES FROM THE BERKSHIRES AND NORTHERN WORCESTER HILLS
NORTH INTO THE MONADNOCKS.

THE SNOW WILL TAPER OFF TO SCATTERED SNOW SHOWERS SATURDAY
AFTERNOON.

A HEAVY SNOW WARNING IS ISSUED WHEN AN AVERAGE OF 6 OR MORE
INCHES OF SNOW IS EXPECTED IN A 12 HOUR PERIOD OR FOR 8 OR MORE
INCHES IN A 24 HOUR PERIOD. TRAVEL WILL BE SLOW AT BEST ON WELL
TREATED SURFACES...AND QUITE DIFFICULT ON ANY UNPLOWED OR
UNTREATED SURFACES.

THIS EXPECTED SNOWFALL WILL ADD TO THE SNOW WHICH HAS ALREADY
ACCUMULATED ON THE ROOFS OF HOMES AND BUSINESSES...PARTICULARLY IN
SOUTHWEST NEW HAMPSHIRE. PEOPLE SHOULD TAKE ACTION NOW TO REMOVE
EXCESS SNOW FROM THEIR ROOF.

$$

CTZ004-MAZ007-013>019-RIZ001>003-010545-
/O.CON.KBOX.SN.Y.0006.080301T0300Z-080301T1700Z/
WINDHAM CT-EASTERN ESSEX MA-WESTERN NORFOLK MA-
SOUTHEAST MIDDLESEX MA-SUFFOLK MA-EASTERN NORFOLK MA-
NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-
NORTHWEST PROVIDENCE RI-SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-
INCLUDING THE CITIES OF...PUTNAM...WILLIMANTIC...GLOUCESTER...
FOXBORO...NORWOOD...CAMBRIDGE...BOSTON...QUINCY...TAUNTON...
BROCKTON...PLYMOUTH...FOSTER...SMITHFIELD...PROVIDENCE...
WEST GREENWICH
445 PM EST FRI FEB 29 2008

...SNOW ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO
12 PM EST SATURDAY...

A SNOW ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO
12 PM EST SATURDAY. 

THIS ADVISORY INCLUDES THE NORTH SHORE THROUGH METRO BOSTON INTO
SOUTHEAST MASSACHUSETTS...NORTHERN RHODE ISLAND AND NORTHEASTERN
CONNECTICUT.

SNOW WILL OVERSPREAD NORTHEAST CONNECTICUT LATE THIS EVENING...
REACHING BOSTON AND THE NORTH SHORE AROUND MIDNIGHT. THE SNOW MAY
BE BRIEFLY HEAVY LATE TONIGHT AND EARLY SATURDAY...BEFORE MIXING
WITH OR CHANGING TO RAIN SHOWERS ALONG THE INTERSTATE 95 CORRIDOR
AROUND MIDDAY SATURDAY. OTHERWISE...THE SNOW WILL TAPER OFF
SATURDAY AFTERNOON.

SNOW ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED ACROSS MUCH OF
THE ADVISORY AREA...EXCEPT 3 TO 6 INCHES OVER THE HILLS IN
NORTHEAST CONNECTICUT AND NORTHWEST RHODE ISLAND.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$
000 
WWUS41 KBOX 010454
WSWBOX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
1154 PM EST FRI FEB 29 2008

CTZ002-003-MAZ002>006-008>012-026-NHZ011-012-015-011300-
/O.CON.KBOX.HS.W.0002.000000T0000Z-080301T1700Z/
HARTFORD CT-TOLLAND CT-WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-
NORTHERN WORCESTER MA-CENTRAL MIDDLESEX MA-WESTERN ESSEX MA-
WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-
EASTERN HAMPDEN MA-SOUTHERN WORCESTER MA-NORTHERN MIDDLESEX MA-
CHESHIRE NH-EASTERN HILLSBOROUGH NH-
WESTERN AND CENTRAL HILLSBOROUGH NH-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...CHARLEMONT...GREENFIELD...ORANGE...BARRE...FITCHBURG...
FRAMINGHAM...LOWELL...LAWRENCE...CHESTERFIELD...BLANDFORD...
AMHERST...NORTHAMPTON...SPRINGFIELD...MILFORD...WORCESTER...
AYER...JAFFREY...KEENE...MANCHESTER...NASHUA...PETERBOROUGH...
WEARE
1154 PM EST FRI FEB 29 2008

...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 12 PM EST
SATURDAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 12 PM EST SATURDAY. 

THIS WARNING INCLUDES MUCH OF MASSACHUSETTS ALONG AND NORTH OF
THE MASSACHUSETTS TURNPIKE AND NORTH AND WEST OF ROUTE 128...
EXTENDING NORTH INTO SOUTHWEST NEW HAMPSHIRE AND SOUTH INTO NORTH
CENTRAL CONNECTICUT.

SNOW WILL BE HEAVY AT TIMES OVERNIGHT...WITH SNOWFALL RATES
OCCASIONALLY AROUND ONE INCH PER HOUR.

SNOW WILL ACCUMULATE 4 TO 8 INCHES ALONG AND WEST OF THE ROUTE 128
CORRIDOR EXTENDING ALONG THE MASSACHUSETTS TURNPIKE AND SOUTHWARD
INTO NORTH CENTRAL CONNECTICUT. AMOUNTS WILL INCREASE TO 6 TO 10
INCHES FROM THE BERKSHIRES AND NORTHERN WORCESTER HILLS NORTH INTO
THE MONADNOCKS.

THE SNOW WILL TAPER OFF TO SCATTERED SNOW SHOWERS DURING SATURDAY
MORNING IN THE CONNECTICUT VALLEY AND AROUND MIDDAY FOR THE REST OF
THE REGION.

A HEAVY SNOW WARNING IS ISSUED WHEN AN AVERAGE OF 6 OR MORE INCHES
OF SNOW IS EXPECTED IN A 12 HOUR PERIOD OR FOR 8 OR MORE INCHES IN A
24 HOUR PERIOD. TRAVEL WILL BE SLOW AT BEST ON WELL TREATED
SURFACES...AND QUITE DIFFICULT ON ANY UNPLOWED OR UNTREATED SURFACES.

$$

RIZ004-011300-
/O.EXA.KBOX.SN.Y.0006.000000T0000Z-080301T1700Z/
EASTERN KENT RI-
INCLUDING THE CITY OF...WARWICK
1154 PM EST FRI FEB 29 2008

...SNOW ADVISORY IN EFFECT UNTIL 12 PM EST SATURDAY...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT UNTIL 12 PM EST SATURDAY. 

THIS ADVISORY INCLUDES EASTERN KENT COUNTY IN RHODE ISLAND.

SNOW WILL INCREASE IN INTENSITY OVERNIGHT AND MAY COME DOWN HEAVY FOR
A TIME...BEFORE MIXING WITH OR CHANGING TO RAIN SHOWERS BY 8 AM.

SNOW ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

CTZ004-MAZ007-013>019-RIZ001>003-011300-
/O.CON.KBOX.SN.Y.0006.000000T0000Z-080301T1700Z/
WINDHAM CT-EASTERN ESSEX MA-WESTERN NORFOLK MA-
SOUTHEAST MIDDLESEX MA-SUFFOLK MA-EASTERN NORFOLK MA-
NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-
NORTHWEST PROVIDENCE RI-SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-
INCLUDING THE CITIES OF...PUTNAM...WILLIMANTIC...GLOUCESTER...
FOXBORO...NORWOOD...CAMBRIDGE...BOSTON...QUINCY...TAUNTON...
BROCKTON...PLYMOUTH...FOSTER...SMITHFIELD...PROVIDENCE...
WEST GREENWICH
1154 PM EST FRI FEB 29 2008

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 12 PM EST SATURDAY...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 12 PM EST SATURDAY. 

THIS ADVISORY INCLUDES THE NORTH SHORE THROUGH METRO BOSTON INTO
SOUTHEAST MASSACHUSETTS...NORTHERN RHODE ISLAND AND NORTHEASTERN
CONNECTICUT.

SNOW WILL INCREASE IN INTENSITY OVERNIGHT AND MAY COME DOWN HEAVY FOR
A TIME...BEFORE MIXING WITH OR CHANGING TO RAIN SHOWERS ALONG AND
EAST OF THE INTERSTATE 95 CORRIDOR AFTER 8 AM. OTHERWISE...THE SNOW
WILL TAPER OFF BY MIDDAY SATURDAY.

SNOW ACCUMULATIONS OF 3 TO 6 INCHES ARE EXPECTED...WITH THE HEAVIEST
AMOUNTS FROM NORTHEAST CONNECTICUT INTO NORTHWEST RHODE ISLAND.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$
000 
WWUS41 KBOX 010955
WSWBOX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
455 AM EST SAT MAR 1 2008

CTZ002-003-MAZ002>006-008>012-026-NHZ011-012-015-011700-
/O.CON.KBOX.HS.W.0002.000000T0000Z-080301T1700Z/
HARTFORD CT-TOLLAND CT-WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-
NORTHERN WORCESTER MA-CENTRAL MIDDLESEX MA-WESTERN ESSEX MA-
WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-
EASTERN HAMPDEN MA-SOUTHERN WORCESTER MA-NORTHERN MIDDLESEX MA-
CHESHIRE NH-EASTERN HILLSBOROUGH NH-
WESTERN AND CENTRAL HILLSBOROUGH NH-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...CHARLEMONT...GREENFIELD...ORANGE...BARRE...FITCHBURG...
FRAMINGHAM...LOWELL...LAWRENCE...CHESTERFIELD...BLANDFORD...
AMHERST...NORTHAMPTON...SPRINGFIELD...MILFORD...WORCESTER...
AYER...JAFFREY...KEENE...MANCHESTER...NASHUA...PETERBOROUGH...
WEARE
455 AM EST SAT MAR 1 2008

...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL NOON EST TODAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL NOON EST TODAY. 

THIS WARNING INCLUDES MUCH OF MASSACHUSETTS ALONG AND NORTH OF
THE MASSACHUSETTS TURNPIKE AND NORTH AND WEST OF ROUTE 128...
EXTENDING NORTH INTO SOUTHWEST NEW HAMPSHIRE AND SOUTH INTO NORTH
CENTRAL CONNECTICUT.

A BURST OF HEAVIER SNOW IS LIKELY EARLY THIS MORNING BEFORE TAPERING
OFF BETWEEN 7 AND 10 AM FROM WEST TO EAST. TOTAL SNOW ACCUMULATIONS
OF 4 TO 8 INCHES ARE EXPECTED.

A HEAVY SNOW WARNING IS ISSUED WHEN AN AVERAGE OF 6 OR MORE
INCHES OF SNOW IS EXPECTED IN A 12 HOUR PERIOD OR FOR 8 OR MORE
INCHES IN A 24 HOUR PERIOD. TRAVEL WILL BE SLOW AT BEST ON WELL
TREATED SURFACES...AND QUITE DIFFICULT ON ANY UNPLOWED OR
UNTREATED SURFACES.

$$

CTZ004-MAZ007-013>019-RIZ001>004-011700-
/O.CON.KBOX.SN.Y.0006.000000T0000Z-080301T1700Z/
WINDHAM CT-EASTERN ESSEX MA-WESTERN NORFOLK MA-
SOUTHEAST MIDDLESEX MA-SUFFOLK MA-EASTERN NORFOLK MA-
NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-
NORTHWEST PROVIDENCE RI-SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-
EASTERN KENT RI-
INCLUDING THE CITIES OF...PUTNAM...WILLIMANTIC...GLOUCESTER...
FOXBORO...NORWOOD...CAMBRIDGE...BOSTON...QUINCY...TAUNTON...
BROCKTON...PLYMOUTH...FOSTER...SMITHFIELD...PROVIDENCE...
WEST GREENWICH...WARWICK
455 AM EST SAT MAR 1 2008

...SNOW ADVISORY REMAINS IN EFFECT UNTIL NOON EST TODAY...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL NOON EST TODAY. 

THIS ADVISORY INCLUDES THE NORTH SHORE THROUGH METRO BOSTON INTO
SOUTHEAST MASSACHUSETTS...NORTHERN RHODE ISLAND AND NORTHEASTERN
CONNECTICUT.

SNOW WILL BEGIN MIXING WITH OR CHANGING TO RAIN EARLY THIS MORNING
EAST OF THE INTERSTATE 95 CORRIDOR IN RHODE ISLAND AND SOUTHEAST
MASSACHUSETTS...BUT SNOW SHOULD PERSIST IN THE INTERIOR BEFORE
TAPERING OFF BETWEEN 8 AND 10 AM.

TOTAL SNOW ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED...WITH THE
LIGHTER AMOUNTS EAST OF INTERSTATE 95.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$
000 
WWUS41 KBOX 011223
WSWBOX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
723 AM EST SAT MAR 1 2008

MAZ007-015>019-RIZ002-004-011330-
/O.CAN.KBOX.SN.Y.0006.000000T0000Z-080301T1700Z/
EASTERN ESSEX MA-SUFFOLK MA-EASTERN NORFOLK MA-
NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-
SOUTHEAST PROVIDENCE RI-EASTERN KENT RI-
INCLUDING THE CITIES OF...GLOUCESTER...BOSTON...QUINCY...
TAUNTON...BROCKTON...PLYMOUTH...PROVIDENCE...WARWICK
723 AM EST SAT MAR 1 2008

...SNOW ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS CANCELLED THE SNOW
ADVISORY. 

THE SNOW HAS CHANGED TO RAIN FROM PROVIDENCE TO TAUNTON...AND THE
RAIN SNOW LINE WILL CONTINUE TO SPREAD NORTH ALONG THE INTERSTATE
95 CORRIDOR THIS MORNING.

$$

CTZ002-003-MAZ002>006-008>012-026-NHZ011-012-015-011700-
/O.CON.KBOX.HS.W.0002.000000T0000Z-080301T1700Z/
HARTFORD CT-TOLLAND CT-WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-
NORTHERN WORCESTER MA-CENTRAL MIDDLESEX MA-WESTERN ESSEX MA-
WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-
EASTERN HAMPDEN MA-SOUTHERN WORCESTER MA-NORTHERN MIDDLESEX MA-
CHESHIRE NH-EASTERN HILLSBOROUGH NH-
WESTERN AND CENTRAL HILLSBOROUGH NH-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...CHARLEMONT...GREENFIELD...ORANGE...BARRE...FITCHBURG...
FRAMINGHAM...LOWELL...LAWRENCE...CHESTERFIELD...BLANDFORD...
AMHERST...NORTHAMPTON...SPRINGFIELD...MILFORD...WORCESTER...
AYER...JAFFREY...KEENE...MANCHESTER...NASHUA...PETERBOROUGH...
WEARE
723 AM EST SAT MAR 1 2008

...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL NOON EST TODAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL NOON EST TODAY. 

THIS WARNING INCLUDES MUCH OF MASSACHUSETTS ALONG AND NORTH OF
THE MASSACHUSETTS TURNPIKE AND NORTH AND WEST OF ROUTE 128...
EXTENDING NORTH INTO SOUTHWEST NEW HAMPSHIRE AND SOUTH INTO NORTH
CENTRAL CONNECTICUT.

SNOW...OCCASIONALLY HEAVY EARLY THIS MORNING WILL BEGIN TAPERING OFF
IN THE BERKSHIRES AND CONNECTICUT VALLEY AROUND 8 AM...AND ACROSS
THE REST OF THE REGION BETWEEN 9 AND 11 AM. TOTAL SNOW ACCUMULATIONS
OF 4 TO 8 INCHES ARE EXPECTED.

A HEAVY SNOW WARNING IS ISSUED WHEN AN AVERAGE OF 6 OR MORE
INCHES OF SNOW IS EXPECTED IN A 12 HOUR PERIOD OR FOR 8 OR MORE
INCHES IN A 24 HOUR PERIOD. TRAVEL WILL BE SLOW AT BEST ON WELL
TREATED SURFACES...AND QUITE DIFFICULT ON ANY UNPLOWED OR
UNTREATED SURFACES.

$$

CTZ004-MAZ013-014-RIZ001-003-011700-
/O.CON.KBOX.SN.Y.0006.000000T0000Z-080301T1700Z/
WINDHAM CT-WESTERN NORFOLK MA-SOUTHEAST MIDDLESEX MA-
NORTHWEST PROVIDENCE RI-WESTERN KENT RI-
INCLUDING THE CITIES OF...PUTNAM...WILLIMANTIC...FOXBORO...
NORWOOD...CAMBRIDGE...FOSTER...SMITHFIELD...WEST GREENWICH
723 AM EST SAT MAR 1 2008

...SNOW ADVISORY REMAINS IN EFFECT UNTIL NOON EST TODAY...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL NOON EST TODAY. 

THIS ADVISORY INCLUDES THE NORTHEAST CONNECTICUT...NORTHWEST RHODE
ISLAND AND INTERIOR EASTERN MASSACHUSETTS WEST OF INTERSTATE 95.

SNOW WILL BEGIN TO TAPER OFF BETWEEN 9 AND 11 AM...AND MAY MIX WITH
RAIN NEAR INTERSTATE 95. TOTAL SNOW ACCUMULATIONS OF 2 TO 4 INCHES
ARE EXPECTED.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$
000 
WWUS41 KBOX 011638
WSWBOX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
1138 AM EST SAT MAR 1 2008


CTZ002-003-MAZ002>006-008>012-026-NHZ011-012-015-011745-
/O.CAN.KBOX.HS.W.0002.000000T0000Z-080301T1700Z/
HARTFORD CT-TOLLAND CT-WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-
NORTHERN WORCESTER MA-CENTRAL MIDDLESEX MA-WESTERN ESSEX MA-
WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-
EASTERN HAMPDEN MA-SOUTHERN WORCESTER MA-NORTHERN MIDDLESEX MA-
CHESHIRE NH-EASTERN HILLSBOROUGH NH-
WESTERN AND CENTRAL HILLSBOROUGH NH-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...CHARLEMONT...GREENFIELD...ORANGE...BARRE...FITCHBURG...
FRAMINGHAM...LOWELL...LAWRENCE...CHESTERFIELD...BLANDFORD...
AMHERST...NORTHAMPTON...SPRINGFIELD...MILFORD...WORCESTER...
AYER...JAFFREY...KEENE...MANCHESTER...NASHUA...PETERBOROUGH...
WEARE
1138 AM EST SAT MAR 1 2008

...HEAVY SNOW WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS CANCELLED THE HEAVY
SNOW WARNING. 

HEAVY SNOW HAS MOVED OUT OF SOUTHERN NEW ENGLAND. SCATTERED SNOW
SHOWERS MAY BRING ADDITIONAL LIGHT ACCUMULATIONS TO SOME SPOTS
DURING THE AFTERNOON...ESPECIALLY IN THE CONNECTICUT VALLEY AND
CENTRAL HILLS.

$$

CTZ004-MAZ013-014-RIZ001-003-011745-
/O.CAN.KBOX.SN.Y.0006.000000T0000Z-080301T1700Z/
WINDHAM CT-WESTERN NORFOLK MA-SOUTHEAST MIDDLESEX MA-
NORTHWEST PROVIDENCE RI-WESTERN KENT RI-
INCLUDING THE CITIES OF...PUTNAM...WILLIMANTIC...FOXBORO...
NORWOOD...CAMBRIDGE...FOSTER...SMITHFIELD...WEST GREENWICH
1138 AM EST SAT MAR 1 2008

...SNOW ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS CANCELLED THE SNOW
ADVISORY. 

SNOW HAS EITHER DIMINISHED OR CHANGED TO LIGHT RAIN ACROSS THE
REGION. SCATTERED LIGHT SNOW SHOWERS ARE POSSIBLE DURING THE MID AND
LATE AFTERNOON.

$$

WTB

What forecasters said that day

The local office's own words before this heavy snow warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Boston/Norton, MA wrote its last area forecast discussion before this heavy snow warning went out at Feb 29, 4:22 AM EST, 46 minutes earlier.

Area forecast discussion, Feb 29, 4:22 AM EST, 46 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAUNTON MA
422 AM EST FRI FEB 29 2008

.SYNOPSIS...
COLD HIGH PRESSURE WILL BUILD INTO THE REGION TONIGHT AND FRI...THEN
MOVING OFFSHORE FRI EVENING. LOW PRESSURE WILL EXIT THE GREAT LAKES
FRI NIGHT AND MOVE ACROSS NEW ENGLAND SAT...BRINGING A PLOWABLE SNOW
TO MUCH OF INTERIOR SOUTHERN NEW ENGLAND. THIS STORM WILL MOVE TO
THE MARITIMES SUN WITH GUSTY NW WINDS...THEN HIGH PRESSURE WILL
BUILD INTO THE REGION SUN NIGHT. A WARMING TREND IS LIKELY NEXT
WEEK...BUT A SIGNIFICANT STORM MAY AFFECT SOUTHERN NEW ENGLAND
SOMETIME TUE OR WED.

&&

.NEAR TERM /UNTIL 6 PM THIS EVENING/...
UPDATED DISC COMING SOON.

A VERY COLD START FRI AM...ALTHOUGH NOT MUCH OF A WIND CHILL AS
WINDS WILL BE VERY LIGHT. SUNSHINE WILL GIVE WAY TO INCREASING FRI
AFTERNOON CLOUDS AS ANTICYCLONIC FLOW BECOMES CYCLONIC DURING THE
AFTERNOON IN RESPONSE TO CLIPPER TYPE LOW APPROACHING THE GREAT
LAKES.

APPEARS MOST IF NOT ALL OF THE DAYLIGHT HOURS /ESPECIALLY RI AND
EASTERN MA/ WILL REMAIN DRY...AS MODELS CONTINUE TO TREND SLOWER
WITH ONSET OF PRECIP. THEREFORE...WE DELAYED THE ARRIVE OF THE SNOW
TIL AFTER DARK.

&&

.SHORT TERM /6 PM THIS EVENING THROUGH 6 PM SATURDAY/...
UPDATED DISCUSSION COMING SOON

FRI NIGHT AND SATURDAY...

WARM ADVECTION SNOWS AHEAD OF CLIPPER SYSTEM WILL OVERSPREAD THE
REGION FRI EVENING FROM WEST TO EAST.  AIRMASS IS QUITE COLD TO
START SO EVEN SOUTH COAST WILL BEGIN AS SNOW.  HOWEVER...WITH LOW
TRACKING ACROSS CENTRAL NEW ENGLAND...INCREASING SOUTHERLY LOW LEVEL
JET/INFLOW WILL WARM BOUNDARY LAYER ALONG THE SOUTH COAST YIELDING
SNOW MIXING WITH AND CHANGING TO RAIN. AROUND AN INCH OF
ACCUMULATION BY DAYBREAK SAT IS EXPECTED ALONG THE SOUTH COAST.

NOW THE TRICKY PART OF THE FORECAST. TYPICALLY SOUTHEAST INFLOW IS A
GIVEN FOR SNOW TO RAIN ACROSS MUCH OF THE AREA. HOWEVER...GIVEN THE
MAGNITUDE OF THE COLD AIRMASS IN PLACE ACROSS THE REGION COMBINED
WITH OCEAN TEMPS AT THEIR CLIMATOLOGICAL MINIMUM...BOUNDARY LAYER
WARMING WILL BE SLOW TO PENETRATE INLAND AND DEPTH OF WARM LAYER WILL
LIKELY BE SHALLOW.

IN ADDITION...ALL MODEL GUIDANCE INDICATES TEMPS ALOFT WILL BE COLD
DURING THE EVENT ALONG WITH STRONG HEIGHT FALLS OVER THE REGION LATE
FRI NIGHT INTO SAT. THIS SUGGEST POTENTIAL DYNAMICAL COOLING
/COOLING THE COLUMN FROM TOP-DOWN/ ATTEMPTING TO OFFSET BOUNDARY
LAYER WARMING. IN ADDITION...STRONG PRES FALLS OF 12 MBS OVER 6 HRS
ENDING 12Z SAT IS LOCATED ACROSS NORTHEAST RI. THIS WOULD LIKELY
BACK SURFACE WINDS FROM SOUTHEAST TO EAST SAT...RESULTING IN LESS
BOUNDARY LAYER WARMING. IN ADDITION...THIS WOULD ALSO SUGGEST
SECONDARY LOW PRES DEVELOPING FARTHER SOUTH /THAN GFS/ INTO MASS BAY
OR CAPE COD BAY PER 12Z GGEM. FURTHERMORE...HEAVIEST QPF OCCURRING
LATE AT NIGHT AND EARLY SAT AM FAVORS SIGNIFICANT SNOWFALL FARTHER
SOUTHEAST.

ALL OF THESE FACTORS WOULD SUGGEST A LOW PROBABILITY OF A
SIGNIFICANT /4-7 INCHES/ SNOWFALL AS FAR EAST AS THE RT-128 CORRIDOR
AND SOUTH TO I295 IN NORTHERN RI. THE MORE LIKELY SCENARIO IS FOR
SIGNIFICANT SNOWS ACROSS MUCH OF THE INTERIOR EASTWARD TO I495
CORRIDOR IN EASTERN MA...AND SOUTHWARD TO THE CT/MA BORDER EASTWARD
TO JUST NORTH OF THE RI BORDER. LATER SHIFTS WILL HAVE TO MONITOR MODEL
TRENDS FOR POSSIBLE WINTER STORM WATCH EXPANSION EASTWARD TO BOSTON
AND ITS NORTH SHORE AND SOUTHWARD TO I295 IN NORTHERN RI.

SNOW WILL BECOME HEAVY AT TIMES LATE FRI NIGHT THROUGH SAT MORNING
AS SIGNIFICANT TROF AMPLIFICATION TAKES PLACE AS TROF BECOMES
NEGATIVELY TILTED AND EVENTUALLY A CLOSED MID LEVEL CIRCULATION OVER
NEW ENGLAND LATER SAT.  LOW LEVEL SOUTHERLY JET CRANKS UP TO 55 KT
DURING THIS TIME ALONG WITH LFQ OF 110 KT JET STREAK MOVING ACROSS
THE AREA. THIS WILL YIELD A DEEP COLUMN OF LIFT FROM ABOUT 09Z-15Z
SAT.

MODEL QPF IS IN GOOD AGREEMENT WITH LIQUID STORM TOTALS OF 0.60 TO
0.70. SNOW GROWTH IS FAVORABLE OVER NORTHERN MA AND NEARBY NH. THIS
COMBINED WITH COLDER THERMAL PROFILES HERE MAY YIELD GREATER THAN
10-1 SNOW RATIOS.  FOR NOW OUR PRELIMINARY SNOW TOTALS ARE AS
FOLLOWS:

BOSTON-PROVIDENCE CORRIDOR: 2-4
SOUTH COAST AND SOUTH SHORE: 1-2
NORTHERN CT-NORTHERN RI: 3-6
INTERIOR MA AND SOUTHERN NH: 4-8

SNOW WILL END FROM WEST TO EAST LATER SAT MORNING AS DRY SLOT MOVES
ACROSS THE REGION.

&&

.LONG TERM /SATURDAY NIGHT THROUGH THURSDAY/...
SFC LOW WILL BE IN THE GULF OF MAINE SAT EVENING AND MODELS INDICATE
DEEPER MOISTURE WRAPPING AROUND 700 MB LOW...AND AFFECTING SNE.
THIS MOISTURE COMBINED WITH CLOSED UPPER MOVING ACROSS NEW ENG WILL
LIKELY BRING RESULT IN LINGERING SNOW SHOWERS SAT EVENING...
ESPECIALLY FROM S NH INTO N CENTRAL AND E MA WHERE BEST QG FORCING
IS LOCATED.  ANY SNOW SHOWERS WILL MOVE OUT LATE SAT NIGHT WITH
CLEARING MOVING IN FROM SW TO NE LATE SAT NIGHT INTO SUN...LEADING
TO INCREASING SUNSHINE DURING SUN.

WIND WILL BE A BIG FACTOR LATE SAT NIGHT INTO SUN AS VERY STRONG
PRESSURE GRADIENT DEVELOPS BEHIND DEPARTING LOW.  GFS SOUNDINGS SHOW
POTENTIAL FOR GUSTS TO 50 MPH WHILE NAM WIND FIELD IS A BIT LESS.
WE TOOK A CONSERVATIVE APPROACH AND BLENDED NAM/GFS TO ARRIVE AT
GUSTS TO 40-45 MPH SUN MORNING.  WIND ADVISORIES MAY EVENTUALLY BE
NEEDED.  WE UNDERCUT MOS TEMPS A BIT ON SUN TO REFLECT COOLER 2M
TEMPS.

WINDS DIMINISH LATE SUN AND ESPECIALLY SUN NIGHT AS SFC RIDGE MOVES
INTO THE REGION.

MILDER AIR MOVES IN MON AS SW FLOW DEVELOPS...BUT IT SHOULD REMAIN
DRY.  TEMPS WELL INTO 40S.

MED RANGE GUIDANCE NOW IN BETTER AGREEMENT WITH SPLIT FLOW PATTERN
AND STRONG SOUTHERN STREAM SYSTEM FOR TUE/WED.  NORTHERN STREAM WILL
BRING A COLD FRONT INTO NEW ENG ON TUE WHICH WILL LIKELY STALL
ACROSS THE REGION AS SOUTHERN STREAM LOW APPROACHES FROM THE SW.
SOME SHOWERS PSBL WITH THIS BOUNDARY MON NGT/TUE...BUT IT APPEARS
BULK OF PRECIP WILL BE TUE NIGHT INTO WED AS LOW TRACKS TO THE
WEST.  THERE WILL BE A FAIRLY STRONG SFC HIGH TO THE NE LEFT BY
NORTHERN STREAM WHICH MAY PROVIDE ENOUGH LOW LEVEL COLD AIR FOR SOME
FZRA TUE NIGHT WELL INTO THE INTERIOR...BUT THIS WILL BE MAINLY A
RAIN EVENT WITH HEAVY RAFL POSSIBLE.

&&

.AVIATION /09Z FRIDAY THROUGH TUESDAY/...
TONIGHT...VFR.

FRIDAY...VFR.

FRI NIGHT...MVFR QUICKLY LOWERING TO IFR DURING THE EVENING FROM
WEST EAST. LOCAL LIFR AFTER 06Z. SNOW...LIKELY CHANGING TO RAIN LATE
ALONG THE SOUTH COAST.

SAT...IFR IN THE MORNING WITH MVFR SOUTH COAST...IMPROVING TO MVFR DURING
THE AFTERNOON.

OUTLOOK...SATURDAY NIGHT THROUGH TUESDAY...
SAT NIGHT...MAINLY VFR BUT AREAS OF MVFR POSSIBLE SAT EVENING.
INCREASING NW WINDS LATE SAT NIGHT.

SUN AND MON...VFR. STRONG NW WINDS SUN WITH GUSTS TO 35-40 KTS
POSSIBLE.

TUE...CONDITIONS POSSIBLY LOWERING TO MVFR.

&&

.MARINE...
TONIGHT...
SMALL CRAFT ADVISORY IN EFFECT TONIGHT FOR THE SOUTH OCEAN
WATERS FOR LEFTOVER SEAS WHICH IS A COMBINATION OF WESTERLY WIND
WAVES AND SOUTHERLY SWELLS. OTHERWISE DIMINISHING WINDS WITH GOOD
VSBY. COULD BE SOME LIGHT FREEZING SPRAY DURING THE EVENING.

FRIDAY...
LIGHT WINDS BECOMING SOUTHEAST AS HIGH PRES DRIFTS OFFSHORE.

FRI NIGHT...
SOUTHEAST WINDS INCREASE TO 20-30 KT AS LOW PRES TRACKS ACROSS
CENTRAL NEW ENGLAND.

SAT...E TO SE WINDS OF 20-30 KT MAY GUST TO GALE FORCE DEPENDING ON
THE STRENGTH OF THE SECONDARY LOW AND ITS LOCATION. WINDS BECOME
WEST DURING AFTN AS STORM EXITS INTO THE GULF OF MAINE.

OUTLOOK...SAT NIGHT THROUGH TUESDAY...
WEST TO NORTHWEST GALES DEVELOPING SAT NIGHT WITH GUSTS POSSIBLY
REACHING 40 KTS LATE SAT NIGHT INTO SUN AS STRONG PRESSURE GRADIENT
DEVELOPS IN THE WAKE OF INTENSIFYING LOW. WINDS GRADUALLY DIMINISH
THROUGH SUN NIGHT AS HIGH PRES MOVES INTO THE REGION.

WINDS BECOME SW MON AS HIGH PRESSURE MOVES OFFSHORE...INCREASING MON
NGT WITH GUSTS NEAR 25 KTS POSSIBLE AHEAD OF COLD FRONT.  SOUTHERLY
WINDS PERSIST TUE AS COLD FRONT STALLS NORTH OF THE WATERS WITH
APPROACHING STORM FROM THE OHIO VALLEY.

&&

.BOX WATCHES/WARNINGS/ADVISORIES...
CT...HEAVY SNOW WARNING FROM 10 PM THIS EVENING TO 12 PM EST
     SATURDAY FOR CTZ002-003.
     SNOW ADVISORY FROM 10 PM THIS EVENING TO 12 PM EST SATURDAY
     FOR CTZ004.
MA...HEAVY SNOW WARNING FROM 10 PM THIS EVENING TO 12 PM EST
     SATURDAY FOR MAZ002>006-008>012-026.
     SNOW ADVISORY FROM 10 PM THIS EVENING TO 12 PM EST SATURDAY
     FOR MAZ007-013>016.
NH...HEAVY SNOW WARNING FROM 10 PM THIS EVENING TO 12 PM EST
     SATURDAY FOR NHZ011-012-015.
RI...SNOW ADVISORY FROM 10 PM THIS EVENING TO 12 PM EST SATURDAY
     FOR RIZ001-003.
MARINE...SMALL CRAFT ADVISORY FROM MIDNIGHT TONIGHT TO 5 PM EST
     SATURDAY FOR ANZ230>237-250-254-255.

&&

SYNOPSIS...KJC
NEAR TERM...EVT
SHORT TERM...EVT
LONG TERM...KJC
AVIATION...KJC/EVT
MARINE...KJC/EVT
Hazardous weather outlook, Feb 28, 4:07 PM EST, 13 hours 1 minute before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TAUNTON MA
407 PM EST THU FEB 28 2008

MAZ002>006-008>012-026-NHZ011-012-015-292115-
WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-
CENTRAL MIDDLESEX MA-WESTERN ESSEX MA-WESTERN HAMPSHIRE MA-
WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-EASTERN HAMPDEN MA-
SOUTHERN WORCESTER MA-NORTHERN MIDDLESEX MA-CHESHIRE NH-
EASTERN HILLSBOROUGH NH-WESTERN AND CENTRAL HILLSBOROUGH NH-
407 PM EST THU FEB 28 2008

...WINTER STORM WATCH IN EFFECT FROM FRIDAY EVENING THROUGH SATURDAY
MORNING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL
MASSACHUSETTS...EASTERN MASSACHUSETTS...NORTHEASTERN
MASSACHUSETTS...WESTERN MASSACHUSETTS AND SOUTHERN NEW HAMPSHIRE.

.DAY ONE...TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   WINTER STORM WATCH.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

CTZ002>004-MAZ007-013>024-RIZ001>008-292115-
HARTFORD CT-TOLLAND CT-WINDHAM CT-EASTERN ESSEX MA-
WESTERN NORFOLK MA-SOUTHEAST MIDDLESEX MA-SUFFOLK MA-
EASTERN NORFOLK MA-NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-
EASTERN PLYMOUTH MA-SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-
BARNSTABLE MA-DUKES MA-NANTUCKET MA-NORTHWEST PROVIDENCE RI-
SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-EASTERN KENT RI-BRISTOL RI-
WASHINGTON RI-NEWPORT RI-BLOCK ISLAND RI-
407 PM EST THU FEB 28 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN
CONNECTICUT...EASTERN MASSACHUSETTS...NORTHEASTERN
MASSACHUSETTS...SOUTHEASTERN MASSACHUSETTS...NORTHERN RHODE ISLAND
AND SOUTHERN RHODE ISLAND.

.DAY ONE...TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

A CLIPPER SYSTEM WILL BRING THE POSSIBILITY OF SNOW CHANGING OVER TO
A WINTRY MIX LATE FRIDAY NIGHT INTO EARLY SATURDAY MORNING TO
NORTHERN CONNECTICUT...RHODE ISLAND...AND EASTERN MASSACHUSETTS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

ANZ230>237-250-254-255-292115-
BOSTON HARBOR-CAPE COD BAY-NANTUCKET SOUND-VINEYARD SOUND-
BUZZARDS BAY-RHODE ISLAND SOUND-NARRAGANSETT BAY-BLOCK ISLAND SOUND-
COASTAL WATERS FROM MERRIMACK RIVER MA OUT 25 NM TO PLYMOUTH MA OUT
40 NM...INCLUDING THE STELLWAGEN BANK NATIONAL MARINE SANCTUARY-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
COASTAL WATERS FROM MONTAUK NY TO BLOCK ISLAND RI TO MARTHAS
VINEYARD MA TO NANTUCKET MA SOUTHEAST TO 20 NM-
407 PM EST THU FEB 28 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR MASSACHUSETTS COASTAL WATERS
AND RHODE ISLAND COASTAL WATERS.

.DAY ONE...TONIGHT

AREAS OF LIGHT FREEZING SPRAY ARE POSSIBLE TONIGHT.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

GALE FORCE WEST TO NORTHWEST WINDS ARE LIKELY SATURDAY NIGHT INTO
SUNDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 29, 5:08 AM ESTSnow AdvisoryBOXBristol, Essex, Middlesex, Norfolk, Plymouth, Suffolk31 hr

Nearby

Heavy Snow Warnings in Massachusetts, 2008Heavy Snow Warnings in New Hampshire, 2008Heavy Snow Warnings in Connecticut, 2008Every heavy snow warning 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.