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resources and services.
Winter Products Page
Welcome to The National Weather Service Wilmington NC Winter Weather Products Page. This page gives a description and examples of winter weather products The National Weather Service issues. To see other products...visit the flooding products page. You can also see a description of hurricane products...marine products...and miscellaneous products.

For a detailed explanation of the components of the products...visit the products explanation page. Otherwise...just click on the links below to see an example of the product. Some of the product examples will be updated in the future.
Blizzard Watch
A Blizzard Watch is issued when there is a 50 percent chance or greater of having sustained winds or frequent gusts of 35 MPH accompanied by snow or blowing snow reducing visibilities to less than one quarter of a mile.
Just rats.
Blizzard Warning
A Blizzard Warning is issued when there is an 80 percent or higher probability of having sustained winds or frequent gusts of 35 MPH accompanied by snow or blowing snow reducing visibilities to less than one quarter of a mile.
Blowing Snow Advisory
A Blowing Snow Advisory is issued when blowing snow is expected to reduce visibilities to less than one quarter of a mile with sustained winds less than 35 MPH.
Freeze Watch
A Freeze Watch is issued when there is a 50 percent or greater probability of having freezing temperatures or below within the next 12 to 48 hours during growing season.
The freeze watch example.
Freeze Warning
A Freeze Warning is issued when there is a 80 percent or greater chance of having freezing temperatures or below within 36 hours during the growing season. See an example.
WWUS72 KILM 250026 CLOSE
NPWILM

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON NC
826 PM EDT TUE OCT 24 2006

NCZ087-096-097-099>101-SCZ017-023-024-032>034-039-046-251200-
/O.CON.KILM.FZ.W.0008.061025T0600Z-061025T1200Z/
ROBESON-BLADEN-PENDER-COLUMBUS-BRUNSWICK-NEW HANOVER-MARLBORO-
DARLINGTON-DILLON-FLORENCE-MARION-HORRY-WILLIAMSBURG-GEORGETOWN-
INCLUDING THE CITIES OF...LUMBERTON...ELIZABETHTOWN...BURGAW...
SURF CITY...WHITEVILLE...LELAND...SHALLOTTE...WILMINGTON...
WRIGHTSVILLE BEACH...BENNETTSVILLE...DARLINGTON...DILLON...
FLORENCE...MARION...CONWAY...MYRTLE BEACH...KINGSTREE...
GEORGETOWN
826 PM EDT TUE OCT 24 2006

...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 8 AM EDT
WEDNESDAY...

AN UNSEASONABLY COLD AND DRY AIRMASS WILL BRING NEAR RECORD LOW
TEMPERATURES AND A WIDESPREAD FREEZE OVERNIGHT. IDEAL RADIATIONAL
COOLING CONDITIONS WILL SET UP ALLOWING TEMPERATURES TO REACH THE
LOWER 30S IN MOST PLACES. THOSE TRADITIONALLY COLD SPOTS MAY DIP
INTO THE UPPER 20S. BEACH COMMUNITIES WILL PROBABLY BOTTOM OUT IN
THE MID 30S.

TEMPERATURES WILL BE NEAR OR BELOW FREEZING FOR SEVERAL HOURS...
ROUGHLY FROM AROUND 400 AM UNTIL 800 AM. THE GROWING SEASON WILL
LIKELY END ACROSS THE MAJORITY OF THE AREA TONIGHT.

RECORD LOWS OVERNIGHT INCLUDE 36 DEGREES IN NORTH MYRTLE BEACH...35
DEGREES IN WILMINGTON AND 33 DEGREES IN FLORENCE.

$$
RJD

Freezing Fog Advisory
An advisory issued for very light ice accumulation from persistent freezing fog. This product can be issued anywhere from 0 to 36 hours out in time.
The freezing fog example.
Freezing Rain Advisory
A Freezing Rain Advisory is issued for a 90 percent probability of freezing rain or freezing drizzle only accumulating to a trace or more within 12 hours. See an example.
WWUS42 KCHS 170407 CLOSE
URGENT - WINTER WEATHER MESSAGE
NAITONAL WEATHER SERVICE CHARLESTON SC
1107 PM EST WED JAN 17 2007

...FREEZING RAIN STILL EXPECTED OVER FAR INLAND PORTIONS OF SOUTH
COASTAL SOUTH CAROLINA AND NORTH COASTAL GEORGIA LATE WEDNESDAY
NIGHT INTO EARLY THURSDAY MORNING...

GAZ087-088-099>101-SCZ040-042>045-047-181100-
/O.CON.KCHS.ZR.Y.0001.070118T0600Z-070118T1500Z/
JENKINS-SCREVEN-CANDLER-BULLOCH-EFFINGHAM-ALLENDALE-HAMPTON-
INLAND COLLETION-DORCHESTER-BERKELEY-INLAND JASPER-
INCLUDING THE CITIES OF...MILLEN...SYLVANIA...METTER...
STATESBORO...SPRINGFIELD...ALLENDALE...HAMPTON...WALTERBORO...
ST GEORGE...SUMMERVILLE...MONCKS CORNER...RIDGELAND
1107 PM EST WED JAN 17 2007

...FREEZING RAIN ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
THURSDAY...

STORNG AND COLD HIGH PRESSURE WILL CONTINUE TO THE EAST OF THE
APPALACHIANS TONIGHT AND EARLY THURSDAY...FORMING A HIGH PRESSURE
WEDGE. THIS WEDGE WILL CONTINUE TO TRAP THE COLD AIR IN PLACE EAST
OF THE MOUNTAINS...INCLUDING SOUTHEAST SOUTH CAROLINA AND
SOUTHEAST GEORGIA.

MEANWHILE...A COASTAL TROUGH WILL STRENGTHEN OVER THE NEARBY ATLANTIC
TONIGHT...WITH AN AREA OF LOW PRESSURE EVENTUALLY FORMING ALONG
THE TROUGH BY LATE THURSDAY AND THURSDAY NIGHT.

THE RAIN THAT HAS DEVELOPED OVER THE AREA WILL ENCOUNTER THE COLD
AIR UNDER THE HIGH PRESSURE WEDGE. IT IS POSSIBLE THAT SLEET MAY
MIX IN WITH THE RAIN INTO THE EARLY OVERNIGHT HOURS. THEN...AS
TEMPERATURES FALL TO AROUND FREEZING ACROSS FAR INLAND PORTIONS OF SOUTH
COASTAL SOUTH CAROLINA AND NORTH COASTAL GEORGIA LATE TONIGHT INTO THURSDAY
MORNING...THE RAIN WILL MIX WITH OR EVEN CHANGE OVER TO FREEZING
RAIN.

LOCATIONS MOST SUSCEPTIBLE TO FREEZING RAIN INCLUDE THOSE AREAS
ALONG AND NORTH OF A LINE FROM JAMESTOWN TO MONCKS CORNER...TO
JEDBERG...WHITEHALL AND RIDGELAND IN SOUTH CAROLINA...AND
CONTINUING TO SPRINGFIELD...STATESBORO AND METTER IN GEORGIA.
THIS INCLUDES SUCH MAJOR ROADS AS...PARTS OF INTERSTATE 95 AND
INTERSTATE 26 IN SOUTH CAROLINA...AND PARTS OF ROUTE 301 IN
GEORGIA.

AT THIS TIME...SIGNIFICANT ICE ACCUMULATION IS NOT EXPECTED...BUT
ICE WILL LIKELY FORM ON VEHICLES...TREES...POWER LINES...
BRIDGES...OVERPASSES AND OTHER ELEVATED SURFACES. UP TO TWO
TENTHS OF AN INCH OF ICE MAY ACCUMULATE THROUGH THURSDAY MORNING.

THE SITUATION IS BEING CAREFULLY MONITORED...AND WILL BE CLOSELY
WATCHED FOR A POSSIBLE ICE STORM WARNING SHOULD HIGHER ICE
ACCUMULATIONS BE EXPECTED.

A FREEZING RAIN ADVISORY MEANS THAT PERIODS OF FREEZING RAIN OR
FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS. MOTORISTS SHOULD EXERCISE CAUTION WHILE DRIVING...
ESPECIALLY ON BRIDGES AND OVERPASSES. ALLOW EXTRA TIME TO
REACH YOUR DESTINATION AND AVOID SUDDEN STOPS OR ACCELERATIONS.

STAY TUNED TO NOAA WEATHER RADION ALL HAZARDS...TV...OR YOUR LOCAL
NEWS SOURCE FOR THE LATEST WEATHER INFORMATION FROM THE NATIONAL
WEATHER SERVICE IN CHARLESTON.

$$

JAQ

Frost Advisory
A Frost Advisory is issued when temperatures are expected to fall to 33 to 36 degrees and frost...areas to widespread...is expected to develop. See an example.
WWUS72 KILM 150136 CLOSE
NPWILM

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON NC
936 PM EDT TUE OCT 14 2006

NCZ087-096-099-SCZ017-023-024-032-033-039-150945-
/O.CON.KILM.FR.Y.0008.061015T0600Z-061015T1300Z/
ROBESON-BLADEN-COLUMBUS-MARLBORO-DARLINGTON-DILLON-FLORENCE-
MARION-WILLIAMSBURG-
INCLUDING THE CITIES OF...LUMBERTON...ELIZABETHTOWN...
WHITEVILLE...BENNETTSVILLE...DARLINGTON...DILLON...FLORENCE...
MARION...KINGSTREE
936 PM EDT SAT OCT 14 2006

...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 9 AM EDT
SUNDAY...

CLEAR SKIES AND LIGHT WINDS TONIGHT WILL ALLOW TEMPERATURES TO
PLUMMET INTO THE MID 30S. THIS WILL LEAD TO THE DEVELOPMENT OF
FROST LATE TONIGHT INTO EARLY SUNDAY MORNING. FROST CAN DAMAGE
SENSITIVE VEGETATION...PARTICULARLY TROPICAL AND SOME ORNAMENTAL
PLANTS. THESE PLANTS SHOULD BE COVERED OR BROUGHT INSIDE.

TEMPERATURES WILL QUICKLY RISE AFTER SUNRISE SUNDAY MORNING...BUT
MAY FALL LOW ENOUGH AGAIN SUNDAY NIGHT FOR FROST TO REDEVELOP.

STAY TUNED TO THE LATEST FORECASTS FROM THE NATIONAL WEATHER
SERVICE.

$$

RALPHY

Heavy Snow Warning
A Heavy Snow Warning is issued for a 90 percent or greater chance of two or more inches of snow accumulation within 12 hours or three inches or more within 24 hours.
The Heavy Snow Warning Example. The Heavy Snow Warning Example.
Ice Storm Warning
An Ice Storm Warning is issued for a 90 percent or greater chance of freezing rain accumulating to one quarter of an inch or greater in a 24 hour period. See an example.
WWUS42 KCHS 180959 CLOSE
WSWCHS

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVIE CHARLESTON SC
458 AM EST THU JAN 18 2007

SCZ040-042>045-181500-
/O.CON.KCHS.IS.W.0001.000000T0000Z-070118T1500Z/
ALLENDALE-HAMPTON-INLAND COLLECTION-DORCHESTER-BERKELEY-
INCLUDING THE CITIES OF...ALLENDALE...HAMPTON...WALTERBORO...
ST. GEORGE...SUMMERVILLE...MONCKS CORNER
458 AM EST THU JAN 18 2007

...ICE STORM WARNING REMAINS IN EFFECT UNTIL 10 AM EST THIS
...MORNING...

WIDESPREAD RAIN ACROSS THE AREA HAS SHOWN INDICATIONS OF CHANGING
OVER TO FREEZING RAIN. TEMPERATURES NEAR OR BELOW FREEZING AT THE
SURFACE WILL RESULT IN THE DEVELOPMENT OF FREEZING RAIN THROUGH
THE MID MORNING HOURS.

ICE ACCUMULATIONS AROUND ONE QUARTER OF AN INCH ARE POSSIBLE BY
MID MORNING THURSDAY...MAINLY ON ELEVATED SURFACES SUCH AS TREES
AND POWER LINES. SOME ICE ACCUMULATION IS ALSO POSSIBLE ON AREA
ROADDWAYS...MAINLY ON ELEVATED BRIDGES AND OVERPASSES.

THE HEAVIEST ICE ACCUMULATIONS CAN BE EXPECTED ALONG AND NORTH OF
A LINE FROM MONCKS CORNER TO RIDGEVILLE TO WALTERBORO TO HAMPTON TO
MARTIN...WHERE 2/10 TO 1/4 INCH OF ICING MAY OCCUR. THOSE AREAS
SOUTH OF THAT LINE CAN EXPECT 1/10 TO 2/10 OF AN INCH OF ICING.

ICE ACCUMULATIONS AND WINDS WILL LIKELY LEAD TO SNAPPED POWER
LINES AND FALLING TREE BRANCHES THAT ADD TO THE DANGER. IF YOU
MUST DRIVE...USE EXTREME CAUTION. REDUCE SPEEDS AND LEAVE PLENTY
OF ROOM BETWEEN YOU AND THE MOTORISTS AHEAD OF YOU. ALLOW EXTRA
TIME TO REACH YOUR DESTINATION. AVOID SUDDEN BREAKS OR ACCELERATIONS
AND BE ESPECIALLY CAUTIOUS ON BRIDGES AND OVERPASSES.

STAY TUNED TO NOAA WEATHER RADIO ALL HAZARDS...TV...OR YOUR LOCAL
NEWS SOURCE FOR THE LATEST WEATHER INFORMATION FROM THE NATIONAL
WEATHER SERVICE IN CHARLESTON.

$$

Sleet Advisory
A Sleet Advisory is issued for a 90 percent or greater chance of sleet accumulating to one inch or more within 12 hours.
The Sleet Advisory Example. The Sleet Advisory Example.
Sleet Warning
A Sleet Warning is issued for a 90 percent or greater chance of sleet accumulating to two inches or more within 12 hours or three inches or more within 24 hours.
The Sleet Warning Example. The Sleet Warning Example.
Snow Advisory
A Snow Advisory is issued for a 90 percent chance or greater of snow accumulating to one inch or more within 12 hours.
The Snow Advisory example. The Snow Advisory example.
Snow and Blowing Snow Advisory
A Snow and Blowing Snow Advisory is issued for sustained winds or frequent gusts of 25 to 34 MPH which is accompanied by falling or blowing snow occasionally reducing visibilities to one quarter of a mile or less for three hours or more.
Wind Chill Watch
A Wind Chill Watch is issued for a 50 percent or greater chance of meeting or exceeding wind chill warning criteria. For southeastern North Carolina and northeast South Carolina this is 15 degrees below zero or lower.
Wind Chill Advisory
A Wind Chill Advisory is issued for wind chills of zero degrees or lower with wind speeds of at least 5 MPH but remaining above wind chill warning criteria.
Wind Chill Warning
A Wind Chill Warning is issued for wind chills of 15 degrees below zero with wind speeds of at least 5 MPH.
Winter Storm Watch
A Winter Storm Watch is issued for a 50 percent or greater chance or meeting or exceeding warning criteria. Usually issued for the second...third or fourth periods...or more specifically 12... 24...or 36 hours out in time.
Winter Storm Warning
A Winter Storm Warning is issued for an 80 percent or greater chance of snow or sleet or a mixture accumulating to two inches or more within a 12 hour period...or three inches or more within a 24 hour period. It is also issued for one quarter inch or more of freezing rain within 24 hours. See an example.
WWUS42 KILM 261532 CLOSE
WSWILM

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON NC
1030 AM EST SUN DEC 26 2004

NCZ096-099-262000-
BLADEN NC-COLUMBUS NC-
INCLUDING THE CITIES OF...ELIZABETHTOWN...TABOR CITY...AND WHITEVILLE
1030 AM EST SUN DEC 26 2004

...WINTER STORM WARNING IN EFFECT UNTIL 3 PM EST THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN WILMINGTON NC HAS ISSUED A WINTER
STORM WARNING.

FREEZING RAIN...POSSIBLY MIXED WITH SLEET AND SNOW WILL TAPER OFF
DURING THE AFTERNOON. STORM TOTAL ICE ACCUMULATIONS OF UP TO ONE
QUARTER INCH...WITH ISOLATED HIGHER AMOUNTS...ESPECIALLY WESTERN
PORTIONS. THE STORM SYSTEM RESPONSIBLE FOR THIS PRECIPITATION WILL
GRADUALLY MOVE OFF AWAY FROM THE REGION DURING THE AFTERNOON HOURS.

IF TRAVELING THROUGH THIS AREA DRIVE WITH EXTREME CAUTION...
ESPECIALLY ON BRIDGES AND OVERPASSES. SOME POWER OUTAGES ARE POSSIBLE
FROM FALLING TREE LIMBS ON POWER LINES.

$$

SRP

Winter Weather Advisory
A Winter Weather Advisory is issued for an 80 percent or greater probability of snow and sleet or a snow and sleet mixture accumulating to one inch or more within 12 hours or at least a trace of freezing rain or drizzle within 12 hours. See an example.
WWUS42 KILM 291501 CLOSE
URGENT - WINTER WEATHER MESSAGE
NAITONAL WEATHER SERVICE WILMINGTON NC
951 AM EST SAT JAN 29 2005

NCZ084-096-099-SCZ017-023-024-032-033-039-300500-
BLADEN NC-COLUMBUS NC-DARLINGTON SC-DILLON SC-FLORENCE SC-MARION SC-
MARLBORO SC-ROBESON- NC WILLIAMSBURG SC-
INCLUDING THE CITIES OF...BENNETTSVILLE...DARLINGTON...DILLON...
ELIZABETHTOWN...FLORENCE..HARTSVILLE...KINGSTREE...LAKE CITY...
LUMBERTON...MARION...MULLINS...TABOR CITY...AND WHITEVILLE
951 AM EST SAT JAN 29 2005

...WINTER WEATHER ADVISORY IN EFFECT UNTIL MIDNIGHT EST SUNDAY...

THE NATIONAL WEATHER SERVICE IN WILMINGTON NC HAS ISSUED A WINTER
WEATHER ADVISORY. LIGHT FREEZING RAIN...POSSIBLY MIXED WITH SLEET...
IS EXPECTED TO FALL THROUGHOUT THE DAY. TEMPERATURES ARE EXPECTED TO
REMAIN AT OR JUST BELOW FREEZING THIS AFTERNOON. ICE ACCUMULATION OF
ONE TO TWO TENTHS OF AN INCH IS LIKELY BEFORE THE EVENT COMES TO AN
END OVERNIGHT.

$$

SCZ034-046-300500-
GEORGETOWN SC-HORRY SC-
INCLUDING THE CITIES OF...CONWAY...GEORGETOWN...LORIS...
MURRELLS INLET AND MYRTLE BEACH
951 AM EST SAT JAN 29 2005

...WINTER WEATHER ADVISORY IN EFFECT UNTIL MIDNIGHT EST SUNDAY...

THE NATIONAL WEATHER SERVICE IN WILMINGTON NC HAS ISSUED A WINTER
WEATHER ADVISORY. LIGHT FREEZING RAIN WILL SPREAD ACROSS THE AREA
LATE THIS MORNING AND THROUGH THE REMAINDER OF THE DAY. ICE
ACCUMULATION OF UP TO ONE TENTH OF AN INCH IS POSSIBLE. THE MOST
SIGNIFICANT ACCUMULATIONS WILL OCCUR AWAY FROM THE IMMEDIATE COAST.
THE PRECIPITATION WILL COME TO AN END OVERNIGHT.

$$

National Weather Service
Weather Forecast Office, Wilmington NC
2015 Gardner Drive
Wilmington, NC 28405
(910) 762-4289


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Page Last Modified: April 30, 2008