Alert archive / North Carolina / Winter Storm Warnings in 2021

Winter Storm Warning 4, NWS Raleigh, NC

February 17, 202111 counties in North Carolina

NWS Raleigh, NC issued this winter storm warning at Feb 17, 2021, 3:13 AM EST for 11 counties in North Carolina. It took effect at Feb 18, 2021, 12:00 AM EST. It was in force for 31 hr. 30 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Feb 17, 2021, 3:13 AM EST (08:13 UTC)
In effect from
Feb 18, 2021, 12:00 AM EST
Expired
Feb 19, 2021, 7:00 AM EST
In force
31 hr
Issued by
NWS Raleigh, NC

Counties Alamance County, NC, Davidson County, NC, Durham County, NC, Forsyth County, NC, Granville County, NC, Guilford County, NC, Orange County, NC, Person County, NC, Randolph County, NC, Vance County, NC, Warren County, NC

The radar

The Raleigh/Durham radar (KRAX), 84 km from the middle of the area, began a volume at 08:17 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.

What was reported inside it

TimeReportWhereRemark
Feb 18, 4:30 AM ESTFREEZING RAIN 0.014 N Durham, NCSPOTTY ICE ACCUMULATION (GLAZE) ON ELEVATED SURFACES, RAINING MODERATELY AND 32 DEGREES.
Feb 18, 5:00 AM ESTFREEZING RAIN 0.01Roxboro, NCAT LEAST A GLAZE ON TREES AND OTHER ELEVATED SURFACES IN THE ROXBORO AREA VIA LOCAL NEWS BROADCAST.
Feb 18, 5:42 AM ESTFREEZING RAIN 0.014 Ene Greensboro, NCCARS AND TREES BECOMING COATED WITH ICE.
Feb 18, 7:15 AM ESTFREEZING RAIN 0.09Kernersville, NC
Feb 18, 7:28 AM ESTFREEZING RAIN 0.115 N Bushy Fork, NC0.11 INCH MEASURED AT MILL HILL RD AND TURKEY FEATHER DR.
Feb 18, 7:34 AM ESTFREEZING RAIN 0.182 N Stanleyville, NC
Feb 18, 7:47 AM ESTFREEZING RAIN 0.132 Ssw Concord, NC0.13 INCH MEASURED AT CONCORD CHURCH RD AND SEMORA RD.
Feb 18, 7:49 AM ESTFREEZING RAIN 0.15 Ese Colfax, NC0.1 INCHES OF ICE ACCUMULATION AS OF 7:00 AM FROM THE PIEDMONT TRIAD INTERNATIONAL AIRPORT.
Feb 18, 7:55 AM ESTFREEZING RAIN 0.093 Ne Winston-Salem, NC0.09 INCHES OF ICE ACCUMULATION AS OF 7:00 AM AT THE SMITH REYNOLDS AIRPORT.
Feb 18, 8:20 AM ESTFREEZING RAIN 0.11Welcome, NC0.11 INCHES OF ICE ACCUMULATION ON TREES AND POWERLINES IN THE WELCOME AREA OF DAVIDSON COUNTY. NO ICE SPOTS SEEN ON ROADWAYS OR BRIDGES.
Feb 18, 9:00 AM ESTFREEZING RAIN 0.062 Nne Ulah, NCLIGHT GLAZE OF 1/16 INCH ON TREES AND ELEVATED SURFACES.
Feb 18, 9:00 AM ESTFREEZING RAIN 0.151 Ssw Lake Townsend, NC0.15 INCH OF ICE ON BRANCHES IN NORTH GREENSBORO.
Feb 18, 9:10 AM ESTFREEZING RAIN 0.066 Ssw Bahama, NC0.06 INCH OF ICE IN NORTH DURHAM, 4 MILES NORTH OF I-85. A GLAZE ON TREES AND ELEVATED SURFACES.
Feb 18, 10:00 AM ESTFREEZING RAIN 0.11Summerfield, NC
Feb 18, 10:09 AM ESTFREEZING RAIN 0.131 Sw Roxboro, NC0.13 INCH MEASURED AT LEASBURG RD AND WINHAVEN ST IN ROXBORO.
Feb 18, 10:09 AM ESTFREEZING RAIN 0.141 Sw Roxboro, NCCORRECTS PREVIOUS FREEZING RAIN REPORT FROM 1 SW ROXBORO. 0.14 INCH MEASURED AT LEASBURG RD AND WINHAVEN ST IN ROXBORO.
Feb 18, 11:05 AM ESTFREEZING RAIN 0.042 N Hillsborough, NC
Feb 18, 11:15 AM ESTFREEZING RAIN 0.151 E Winston-Salem, NC0.15 INCH OF ICE ON BRANCHES IN DOWNTOWN WINSTON-SALEM.
Feb 18, 11:20 AM ESTFREEZING RAIN 0.15 S Sedge Garden, NCABOUT A TENTH OF AN INCH IN WALLBURG.
Feb 18, 11:30 AM ESTFREEZING RAIN 0.09Mebane, NC
Feb 18, 11:30 AM ESTFREEZING RAIN 0.133 Nw Pfafftown, NCABOUT 1/8 INCH ON TREE LIMBS IN BETHANIA.
Feb 18, 11:30 AM ESTFREEZING RAIN 0.135 Nw High Point, NC
Feb 18, 12:00 PM ESTFREEZING RAIN 0.151 Ssw Thomasville, NC
Feb 18, 12:49 PM ESTFREEZING RAIN 0.173 Nne High Point, NCESTIMATED ICE ACCUMULATION ON THE TREE BRANCHES BETWEEN 0.15 AND 0.20 INCHES.
Feb 18, 2:10 PM ESTFREEZING RAIN 0.1Roxboro, NC0.10 INCHES OF ICE AT 2PM IN THE CITY OF ROXBORO.
Feb 18, 2:36 PM ESTFREEZING RAIN 0.15Stovall, NCTHICK COATING OF ICE ON TREE BRANCHES.
Feb 18, 3:00 PM ESTFREEZING RAIN 0.111 Nne Alamance, NC0.11 INCHES OF ICE ACCUMULATION REPORTED AT THE BURLINGTON REGIONAL AIRPORT AS OF 3:00 PM.
Feb 18, 3:00 PM ESTFREEZING RAIN 0.173 Ne Winston-Salem, NC0.17 INCHES OF ICE ACCUMULATION AS OF 3:00 PM AT THE SMITH REYNOLDS AIRPORT.
Feb 18, 3:00 PM ESTFREEZING RAIN 0.25 Ese Colfax, NC0.2 INCHES OF ICE ACCUMULATION AS OF 3:00 PM FROM THE PIEDMONT TRIAD INTERNATIONAL AIRPORT.
Feb 18, 3:34 PM ESTFREEZING RAIN 0.165 Nw Concord, NCICE ACCUMULATION MEASURED ON TREE BRANCH IN PERSON COUNTY.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 8.2 hours before the alert went out and 60 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, Greensboro/Hi Pt, NC at 00:00Z on 2021-02-17Temperature 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, Greensboro/Hi Pt, NC at 00:00Z on 2021-02-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 188 square meters per square second.1939587897117136Sfc1 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
1425 m above ground
0-6 km bulk shear
104 kt
0-1 km storm-relative helicity
188 m²/s²
0-3 km storm-relative helicity
273 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

664 
WWUS42 KRAH 170813
WSWRAH

URGENT - WINTER WEATHER MESSAGE
National Weather Service Raleigh NC
313 AM EST Wed Feb 17 2021

NCZ007>010-021>025-171700-
/O.UPG.KRAH.WS.A.0002.210218T0500Z-210219T0500Z/
/O.NEW.KRAH.WS.W.0004.210218T0500Z-210219T1200Z/
Person-Granville-Vance-Warren-Forsyth-Guilford-Alamance-Orange-
Durham-
Including the cities of Roxboro, Oxford, Creedmoor, Henderson, 
Kittrell, Warrenton, Norlina, Winston-Salem, Greensboro, 
High Point, Burlington, Graham, Mebane, Hillsborough, 
Chapel Hill, Carrboro, Durham, and Rougemont
313 AM EST Wed Feb 17 2021

...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 7 AM
EST FRIDAY...

* WHAT...Significant icing expected. Total ice accumulations of
  one quarter to one half inch, with locally higher 
  accumulations.

* WHERE...Portions of central North Carolina.

* WHEN...From midnight tonight to 7 AM EST Friday.

* IMPACTS...Power outages and tree damage are likely due to the
  ice. Travel could be nearly impossible. The hazardous conditions
  could impact morning and evening commutes.

* ADDITIONAL DETAILS...Some sleet could initially mix in with rain
  and freezing rain north of Interstate 85 tonight after midnight,
  but should come to an end by Thursday morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. Prepare for possible power
outages. 

The latest road conditions for North Carolina can be obtained by
visiting DriveNC.gov.

&&

$$

NCZ038-039-171700-
/O.NEW.KRAH.WS.W.0004.210218T0500Z-210219T1200Z/
Davidson-Randolph-
Including the cities of Lexington, Thomasville, Asheboro, 
and Archdale
313 AM EST Wed Feb 17 2021

...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 7 AM
EST FRIDAY...

* WHAT...Significant icing expected. Total ice accumulations of
  one quarter to one half inch.

* WHERE...Davidson and Randolph Counties.

* WHEN...From midnight tonight to 7 AM EST Friday.

* IMPACTS...Power outages and tree damage are likely due to the
  ice. Travel could be nearly impossible. The hazardous conditions
  could impact morning and evening commutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. Prepare for possible power
outages. 

The latest road conditions for North Carolina can be obtained by
visiting DriveNC.gov.

&&

$$

NCZ011-026-027-040-041-073>076-171700-
/O.NEW.KRAH.WW.Y.0006.210218T0500Z-210219T1200Z/
Halifax-Franklin-Nash-Chatham-Wake-Stanly-Montgomery-Moore-Lee-
Including the cities of Roanoke Rapids, Enfield, Scotland Neck, 
Louisburg, Franklinton, Nashville, Spring Hope, Rocky Mount, 
Siler City, Pittsboro, Raleigh, Cary, Apex, Wake Forest, 
Knightdale, Albemarle, Troy, Southern Pines, Pinehurst, Aberdeen,
Carthage, and Sanford
313 AM EST Wed Feb 17 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO
7 AM EST FRIDAY...

* WHAT...Freezing rain expected. Total ice accumulations of 
  around one tenth of an inch.

* WHERE...Portions of central North Carolina.

* WHEN...From midnight tonight to 7 AM EST Friday.

* IMPACTS...Hazardous travel conditions are possible, mainly on
  bridges and overpasses. The hazardous conditions could impact
  the morning or evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. Prepare for possible
power outages. 

The latest road conditions for North Carolina can be obtained by
visiting DriveNC.gov.

&&

$$
9 follow-up statements
083 
WWUS42 KRAH 171600
WSWRAH

URGENT - WINTER WEATHER MESSAGE
National Weather Service Raleigh NC
1100 AM EST Wed Feb 17 2021

NCZ007>010-021>025-038-039-180400-
/O.CON.KRAH.WS.W.0004.210218T0500Z-210219T1200Z/
Person-Granville-Vance-Warren-Forsyth-Guilford-Alamance-Orange-
Durham-Davidson-Randolph-
Including the cities of Roxboro, Oxford, Creedmoor, Henderson, 
Kittrell, Warrenton, Norlina, Winston-Salem, Greensboro, 
High Point, Burlington, Graham, Mebane, Hillsborough, 
Chapel Hill, Carrboro, Durham, Rougemont, Lexington, Thomasville,
Asheboro, and Archdale
1100 AM EST Wed Feb 17 2021

...WINTER STORM WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO 7 AM EST FRIDAY...

* WHAT...Significant icing expected. Total ice accumulations of 
  one quarter to one half inch.

* WHERE...Portions of the northern Piedmont.

* WHEN...From midnight tonight to 7 AM EST Friday.

* IMPACTS...Power outages and tree damage are likely due to the 
  ice. Travel could be nearly impossible. The hazardous 
  conditions could impact morning and evening commutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions for North Carolina can be obtained by
visiting DriveNC.gov.

&&

$$

NCZ011-026-027-040-041-073>076-180400-
/O.CON.KRAH.WW.Y.0006.210218T0500Z-210219T1200Z/
Halifax-Franklin-Nash-Chatham-Wake-Stanly-Montgomery-Moore-Lee-
Including the cities of Roanoke Rapids, Enfield, Scotland Neck, 
Louisburg, Franklinton, Nashville, Spring Hope, Rocky Mount, 
Siler City, Pittsboro, Raleigh, Cary, Apex, Wake Forest, 
Knightdale, Albemarle, Troy, Southern Pines, Pinehurst, Aberdeen,
Carthage, and Sanford
1100 AM EST Wed Feb 17 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT
TONIGHT TO 7 AM EST FRIDAY...

* WHAT...Freezing rain expected. Total ice accumulations up to  
  one tenth of an inch.

* WHERE...Portions of central North Carolina.

* WHEN...From midnight tonight to 7 AM EST Friday.

* IMPACTS...Hazardous travel conditions are possible, mainly on 
  bridges and overpasses. The hazardous conditions could impact 
  the morning or evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. Prepare for possible
power outages. 

The latest road conditions for North Carolina can be obtained by
visiting DriveNC.gov.

&&

$$

JJT
206 
WWUS42 KRAH 180226
WSWRAH

URGENT - WINTER WEATHER MESSAGE
National Weather Service Raleigh NC
926 PM EST Wed Feb 17 2021


NCZ007>010-021>025-038-039-181030-
/O.CON.KRAH.WS.W.0004.210218T0500Z-210219T1200Z/
Person-Granville-Vance-Warren-Forsyth-Guilford-Alamance-Orange-
Durham-Davidson-Randolph-
Including the cities of Roxboro, Oxford, Creedmoor, Henderson, 
Kittrell, Warrenton, Norlina, Winston-Salem, Greensboro, 
High Point, Burlington, Graham, Mebane, Hillsborough, 
Chapel Hill, Carrboro, Durham, Rougemont, Lexington, Thomasville,
Asheboro, and Archdale
926 PM EST Wed Feb 17 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST FRIDAY...

* WHAT...Significant icing expected. Total ice accumulations of
  one quarter to one half inch, with some locally higher amounts. 

* WHERE...Portions of the northern Piedmont.

* WHEN...From midnight tonight to 7 AM EST Friday.

* IMPACTS...Widespread power outages and tree damage are likely 
  due to the ice. Travel could be nearly impossible. The hazardous
  conditions could impact morning and evening commutes.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions for North Carolina can be obtained by
visiting DriveNC.gov.

&&

$$

NCZ011-026-027-040-041-073>076-181030-
/O.CON.KRAH.WW.Y.0006.210218T0500Z-210219T1200Z/
Halifax-Franklin-Nash-Chatham-Wake-Stanly-Montgomery-Moore-Lee-
Including the cities of Roanoke Rapids, Enfield, Scotland Neck, 
Louisburg, Franklinton, Nashville, Spring Hope, Rocky Mount, 
Siler City, Pittsboro, Raleigh, Cary, Apex, Wake Forest, 
Knightdale, Albemarle, Troy, Southern Pines, Pinehurst, Aberdeen,
Carthage, and Sanford
926 PM EST Wed Feb 17 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
FRIDAY...

* WHAT...Freezing rain expected. Total ice accumulations up to 
  one tenth of an inch.

* WHERE...Portions of central North Carolina.

* WHEN...From midnight tonight to 7 AM EST Friday.

* IMPACTS...Hazardous travel conditions are possible, mainly on 
  bridges and overpasses. The hazardous conditions could impact 
  the morning or evening commute.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. Prepare for possible
power outages. 

The latest road conditions for North Carolina can be obtained by
visiting DriveNC.gov.

&&

$$
783 
WWUS42 KRAH 180813
WSWRAH

URGENT - WINTER WEATHER MESSAGE
National Weather Service Raleigh NC
313 AM EST Thu Feb 18 2021

NCZ007>010-021>025-038-039-181700-
/O.CON.KRAH.WS.W.0004.000000T0000Z-210219T1200Z/
Person-Granville-Vance-Warren-Forsyth-Guilford-Alamance-Orange-
Durham-Davidson-Randolph-
Including the cities of Roxboro, Oxford, Creedmoor, Henderson, 
Kittrell, Warrenton, Norlina, Winston-Salem, Greensboro, 
High Point, Burlington, Graham, Mebane, Hillsborough, 
Chapel Hill, Carrboro, Durham, Rougemont, Lexington, Thomasville,
Asheboro, and Archdale
313 AM EST Thu Feb 18 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST FRIDAY...

* WHAT...Significant icing expected from freezing rain. Total ice
  accumulations of one quarter to one half inch, with some 
  locally higher amounts.

* WHERE...Portions of the northern Piedmont.

* WHEN...Until 7 AM EST Friday.

* IMPACTS...Widespread power outages and tree damage are likely 
  due to the ice. Travel could be nearly impossible. The 
  hazardous conditions could impact morning and evening commutes.

* ADDITIONAL DETAILS...Locations that received ice in the last
  week could be even more vulnerable to power outages and tree 
  damage.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions for North Carolina can be obtained by
visiting DriveNC.gov.

&&

$$

NCZ011-026-027-040-041-073>076-181700-
/O.CON.KRAH.WW.Y.0006.000000T0000Z-210219T1200Z/
Halifax-Franklin-Nash-Chatham-Wake-Stanly-Montgomery-Moore-Lee-
Including the cities of Roanoke Rapids, Enfield, Scotland Neck, 
Louisburg, Franklinton, Nashville, Spring Hope, Rocky Mount, 
Siler City, Pittsboro, Raleigh, Cary, Apex, Wake Forest, 
Knightdale, Albemarle, Troy, Southern Pines, Pinehurst, Aberdeen,
Carthage, and Sanford
313 AM EST Thu Feb 18 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
FRIDAY...

* WHAT...Freezing rain expected. Total ice accumulations up to one
  quarter of an inch.

* WHERE...Portions of central North Carolina.

* WHEN...Until 7 AM EST Friday.

* IMPACTS...Hazardous travel conditions are possible, mainly on
  bridges and overpasses. The hazardous conditions could impact
  the morning or evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. Prepare for possible
power outages. 

The latest road conditions for North Carolina can be obtained by
visiting DriveNC.gov.

&&

$$
277 
WWUS42 KRAH 181640
WSWRAH

URGENT - WINTER WEATHER MESSAGE
National Weather Service Raleigh NC
1140 AM EST Thu Feb 18 2021

NCZ007>010-021>025-038-039-190045-
/O.CON.KRAH.WS.W.0004.000000T0000Z-210219T1200Z/
Person-Granville-Vance-Warren-Forsyth-Guilford-Alamance-Orange-
Durham-Davidson-Randolph-
Including the cities of Roxboro, Oxford, Creedmoor, Henderson, 
Kittrell, Warrenton, Norlina, Winston-Salem, Greensboro, 
High Point, Burlington, Graham, Mebane, Hillsborough, 
Chapel Hill, Carrboro, Durham, Rougemont, Lexington, Thomasville,
Asheboro, and Archdale
1140 AM EST Thu Feb 18 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST FRIDAY...

* WHAT...Significant icing expected from freezing rain. Total ice
  accumulations of one quarter to one third of an inch possible. 

* WHERE...Portions of the northern Piedmont.

* WHEN...Until 7 AM EST Friday.

* IMPACTS...Scattered to numerous power outages are likely, along
  with some tree damage. Some hazardous travel may develop, 
  especially during the nighttime hours. 

* Additional details... Most of the icing will occur on elevated
  surfaces.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. Prepare for possible power
outages. 

The latest road conditions for North Carolina can be obtained by
visiting DriveNC.gov.

&&

$$

NCZ011-026-027-040-041-073>076-190045-
/O.CON.KRAH.WW.Y.0006.000000T0000Z-210219T1200Z/
Halifax-Franklin-Nash-Chatham-Wake-Stanly-Montgomery-Moore-Lee-
Including the cities of Roanoke Rapids, Enfield, Scotland Neck, 
Louisburg, Franklinton, Nashville, Spring Hope, Rocky Mount, 
Siler City, Pittsboro, Raleigh, Cary, Apex, Wake Forest, 
Knightdale, Albemarle, Troy, Southern Pines, Pinehurst, Aberdeen,
Carthage, and Sanford
1140 AM EST Thu Feb 18 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
FRIDAY...

* WHAT...Rain and freezing rain expected. Total ice accumulations
  up to a tenth of an inch possible. 

* WHERE...Portions of central North Carolina.

* WHEN...Until 7 AM EST Friday.

* IMPACTS...Hazardous travel conditions are possible, mainly on 
  bridges and overpasses. The hazardous conditions could impact 
  the morning or evening commute.

* Additional details...Most of the icing will be found on elevated
  surfaces. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. Prepare for possible
power outages. 

The latest road conditions for North Carolina can be obtained by
visiting DriveNC.gov.

&&

$$
851 
WWUS42 KRAH 181750
WSWRAH

URGENT - WINTER WEATHER MESSAGE
National Weather Service Raleigh NC
1250 PM EST Thu Feb 18 2021

...A continued threat of icing, mainly along and north of the
Interstate 85 corridor through early Friday. 

.Cold surface high pressure will linger from the New England 
states south into the Piedmont of NC tonight. This will combine 
with the low pressure system to bring additional icing, especially
near the NC/VA border counties through early Friday. 

NCZ021>025-038-039-190200-
/O.CAN.KRAH.WS.W.0004.000000T0000Z-210219T1200Z/
/O.EXA.KRAH.WW.Y.0006.000000T0000Z-210219T1200Z/
Forsyth-Guilford-Alamance-Orange-Durham-Davidson-Randolph-
Including the cities of Winston-Salem, Greensboro, High Point, 
Burlington, Graham, Mebane, Hillsborough, Chapel Hill, Carrboro, 
Durham, Rougemont, Lexington, Thomasville, Asheboro, and Archdale
1250 PM EST Thu Feb 18 2021

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 7 AM EST FRIDAY...
...WINTER STORM WARNING IS CANCELLED...

* WHAT...Freezing rain. Additional ice accumulations of around a
  tenth of an inch, mainly tonight. 

* WHERE...Portions of central North Carolina.

* WHEN...Until 7 AM EST Friday.

* IMPACTS...Hazardous travel conditions are possible, mainly on 
  bridges and overpasses. The hazardous conditions could impact 
  the morning or evening commute.

* ADDITIONAL DETAILS...The temperatures will hover in the lower
  30s through early Friday. Occasional light rain will be mixed
  with light freezing rain. Most of the icing will be found on 
  elevated surfaces. Some slick spots are possible on mainly 
  bridges and overpasses tonight. 


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. Prepare for possible
power outages. 

The latest road conditions for North Carolina can be obtained by
visiting DriveNC.gov.

&&

$$

NCZ073>076-181900-
/O.CAN.KRAH.WW.Y.0006.000000T0000Z-210219T1200Z/
Stanly-Montgomery-Moore-Lee-
Including the cities of Albemarle, Troy, Southern Pines, 
Pinehurst, Aberdeen, Carthage, and Sanford
1250 PM EST Thu Feb 18 2021

...WINTER WEATHER ADVISORY IS CANCELLED...

Rain is expected as temperatures hover around 33 to 35 degrees
tonight. Therefore, the winter weather advisory has been canceled. 

$$

NCZ007>010-190200-
/O.CON.KRAH.WS.W.0004.000000T0000Z-210219T1200Z/
Person-Granville-Vance-Warren-
Including the cities of Roxboro, Oxford, Creedmoor, Henderson, 
Kittrell, Warrenton, and Norlina
1250 PM EST Thu Feb 18 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST FRIDAY...

* WHAT...Significant icing expected from freezing rain. Additional
  ice accumulations of up to one quarter of an inch is expected.
  Storm total ice accumulations of a quarter to a third of an 
  inch possible.

* WHERE...Portions of the northern Piedmont.

* WHEN...Until 7 AM EST Friday.

* IMPACTS...Scattered to numerous power outages are likely, 
  along with some tree damage. Some hazardous travel may 
  develop, especially during the nighttime hours.

* ADDITIONAL DETAILS... Occasional freezing rain and freezing
  drizzle will likely persist through early Friday. Most of the
  additional icing will occur on elevated surfaces as 
  temperatures hover around 31 or 32 degrees. Some icing on mainly
  bridges and overpasses may develop, especially later tonight as
  temperatures fall to around 30. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. Prepare for possible power
outages. 

The latest road conditions for North Carolina can be obtained by
visiting DriveNC.gov.

&&

$$

NCZ011-026-027-040-041-190200-
/O.CON.KRAH.WW.Y.0006.000000T0000Z-210219T1200Z/
Halifax-Franklin-Nash-Chatham-Wake-
Including the cities of Roanoke Rapids, Enfield, Scotland Neck, 
Louisburg, Franklinton, Nashville, Spring Hope, Rocky Mount, 
Siler City, Pittsboro, Raleigh, Cary, Apex, Wake Forest, 
and Knightdale
1250 PM EST Thu Feb 18 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
FRIDAY...

* WHAT...Rain and freezing rain expected. Total ice accumulations
  from a trace up to a tenth of an inch possible, mainly on
  elevated surfaces.  

* WHERE...Portions of central North Carolina.

* WHEN...Until 7 AM EST Friday.

* IMPACTS...Periods of rain may mix with freezing rain through
  tonight. The temperatures will teeter between 32 and 33 for much
  of the period. However, readings may fall a degree or two late
  tonight. This may lead to additional freezing rain. Patchy ice,
  mainly on bridges and overpasses may develop.  

* ADDITIONAL DETAILS...Most of the additional icing will be found
  on elevated surfaces, and most icing should occur over northern
  portions of Chatham, northern Wake, Franklin, northern Nash, and
  northern Halifax Counties.  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. Prepare for possible
power outages. 

The latest road conditions for North Carolina can be obtained by
visiting DriveNC.gov.

&&

$$
511 
WWUS42 KRAH 182029
WSWRAH

URGENT - WINTER WEATHER MESSAGE
National Weather Service Raleigh NC
329 PM EST Thu Feb 18 2021

...A continued threat of icing, mainly along and north of the
Interstate 85 corridor through early Friday.

.Cold surface high pressure will linger from the New England
states south into the Piedmont of NC tonight. This will combine
with the low pressure system to bring additional icing,
especially near the NC/VA border counties through early Friday.

NCZ007>010-190430-
/O.CON.KRAH.WS.W.0004.000000T0000Z-210219T1200Z/
Person-Granville-Vance-Warren-
Including the cities of Roxboro, Oxford, Creedmoor, Henderson, 
Kittrell, Warrenton, and Norlina
329 PM EST Thu Feb 18 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST FRIDAY...

* WHAT...Significant icing expected from freezing rain. 
  Additional ice accumulations of up to one quarter of an inch 
  is expected. Storm total ice accumulations of a quarter to a 
  third of an inch possible.

* WHERE...Portions of the northern Piedmont.

* WHEN...Until 7 AM EST Friday.

* IMPACTS...Scattered to numerous power outages are likely, 
  along with some tree damage. Some hazardous travel may 
  develop, especially during the nighttime hours.

* ADDITIONAL DETAILS... Occasional freezing rain and freezing 
  drizzle will likely persist through early Friday. Most of the 
  additional icing will occur on elevated surfaces as 
  temperatures hover around 31 or 32 degrees. Some icing on 
  mainly bridges and overpasses may develop, especially later 
  tonight as temperatures fall to around 30.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. Prepare for possible power
outages. 

The latest road conditions for North Carolina can be obtained by
visiting DriveNC.gov.

&&

$$

NCZ011-021>027-038>041-190430-
/O.CON.KRAH.WW.Y.0006.000000T0000Z-210219T1200Z/
Halifax-Forsyth-Guilford-Alamance-Orange-Durham-Franklin-Nash-
Davidson-Randolph-Chatham-Wake-
Including the cities of Roanoke Rapids, Enfield, Scotland Neck, 
Winston-Salem, Greensboro, High Point, Burlington, Graham, 
Mebane, Hillsborough, Chapel Hill, Carrboro, Durham, Rougemont, 
Louisburg, Franklinton, Nashville, Spring Hope, Rocky Mount, 
Lexington, Thomasville, Asheboro, Archdale, Siler City, 
Pittsboro, Raleigh, Cary, Apex, Wake Forest, and Knightdale
329 PM EST Thu Feb 18 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
FRIDAY...

* WHAT...Freezing rain. Additional ice accumulations of around a 
  tenth of an inch, mainly tonight.

* WHERE...Portions of central North Carolina.

* WHEN...Until 7 AM EST Friday.

* IMPACTS...Hazardous travel conditions are possible, mainly on 
  bridges and overpasses. The hazardous conditions could impact 
  the morning or evening commute.

* ADDITIONAL DETAILS...The temperatures will hover in the lower 
  30s through early Friday. Occasional light rain will be mixed 
  with light freezing rain. Most of the icing will be found on 
  elevated surfaces. Some slick spots are possible on mainly 
  bridges and overpasses tonight.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. Prepare for possible
power outages. 

The latest road conditions for North Carolina can be obtained by
visiting DriveNC.gov.

&&

$$
506 
WWUS42 KRAH 190230
WSWRAH

URGENT - WINTER WEATHER MESSAGE
National Weather Service Raleigh NC
930 PM EST Thu Feb 18 2021

...A continued threat of icing, mainly along and north of the
Interstate 85 corridor through early Friday.

.Cold surface high pressure will linger from the New England
states south into the Piedmont of NC tonight. This will combine
with the low pressure system to bring additional icing,
especially near the NC/VA border counties through early Friday.

NCZ007>010-191200-
/O.CON.KRAH.WS.W.0004.000000T0000Z-210219T1200Z/
Person-Granville-Vance-Warren-
Including the cities of Roxboro, Oxford, Creedmoor, Henderson, 
Kittrell, Warrenton, and Norlina
930 PM EST Thu Feb 18 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST FRIDAY...

* WHAT...Significant icing expected from freezing rain. Additional
  ice accumulations of one to two tenths of an inch is expected. 
  Storm total ice accumulations of a quarter to a third of an inch
  possible.

* WHERE...Portions of the northern Piedmont.

* WHEN...Until 7 AM EST Friday.

* IMPACTS...Scattered to numerous power outages are likely, 
  along with some tree damage. Some hazardous travel may 
  develop, especially during the nighttime hours.

* ADDITIONAL DETAILS... Occasional freezing rain and freezing 
  drizzle will likely persist through early Friday. Most of the 
  additional icing will occur on elevated surfaces as 
  temperatures hover around 31 or 32 degrees. Some icing on 
  mainly bridges and overpasses may develop, especially later 
  tonight as temperatures fall to around 30.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. Prepare for possible power
outages. 

The latest road conditions for North Carolina can be obtained by
visiting DriveNC.gov.

&&

$$

NCZ011-021>027-038>041-191200-
/O.CON.KRAH.WW.Y.0006.000000T0000Z-210219T1200Z/
Halifax-Forsyth-Guilford-Alamance-Orange-Durham-Franklin-Nash-
Davidson-Randolph-Chatham-Wake-
Including the cities of Roanoke Rapids, Enfield, Scotland Neck, 
Winston-Salem, Greensboro, High Point, Burlington, Graham, 
Mebane, Hillsborough, Chapel Hill, Carrboro, Durham, Rougemont, 
Louisburg, Franklinton, Nashville, Spring Hope, Rocky Mount, 
Lexington, Thomasville, Asheboro, Archdale, Siler City, 
Pittsboro, Raleigh, Cary, Apex, Wake Forest, and Knightdale
930 PM EST Thu Feb 18 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
FRIDAY...

* WHAT...Freezing rain. Additional ice accumulations of a trace to
  a tenth of an inch is possible. 

* WHERE...Portions of central North Carolina.

* WHEN...Until 7 AM EST Friday.

* IMPACTS...Hazardous travel conditions are possible, mainly on 
  bridges and overpasses. The hazardous conditions could impact 
  the morning or evening commute.

* ADDITIONAL DETAILS...The temperatures will hover in the lower 
  30s through early Friday. Occasional light rain will be mixed 
  with light freezing rain. Most of the icing will be found on 
  elevated surfaces. Some slick spots are possible on mainly 
  bridges and overpasses tonight.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. Prepare for possible
power outages. 

The latest road conditions for North Carolina can be obtained by
visiting DriveNC.gov.

&&

$$
085 
WWUS42 KRAH 190548 AAA
WSWRAH

URGENT - WINTER WEATHER MESSAGE...UPDATED
National Weather Service Raleigh NC
1248 AM EST Fri Feb 19 2021

...A continued threat of icing, mainly along and north of the
Interstate 85 corridor through early Friday...

.Cold surface high pressure will linger from the New England
states south into the Piedmont of NC tonight. This will combine
with a low pressure system to bring additional icing, especially 
near the NC/VA border counties through early Friday.

NCZ027-041-190700-
/O.CAN.KRAH.WW.Y.0006.000000T0000Z-210219T1200Z/
Nash-Wake-
Including the cities of Nashville, Spring Hope, Rocky Mount, 
Raleigh, Cary, Apex, Wake Forest, and Knightdale
1248 AM EST Fri Feb 19 2021

...WINTER WEATHER ADVISORY IS CANCELLED...

The threat of additional icing in this area has ended.

$$

NCZ007>010-191200-
/O.CON.KRAH.WS.W.0004.000000T0000Z-210219T1200Z/
Person-Granville-Vance-Warren-
Including the cities of Roxboro, Oxford, Creedmoor, Henderson, 
Kittrell, Warrenton, and Norlina
1248 AM EST Fri Feb 19 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST THIS
MORNING...

* WHAT...Significant icing expected from freezing rain. 
  Additional ice accumulations of one to two tenths of an inch 
  is expected. Storm total ice accumulations of a quarter to a 
  third of an inch possible.

* WHERE...Portions of the northern Piedmont.

* WHEN...Until 7 AM EST Friday.

* IMPACTS...Scattered to numerous power outages are likely, 
  along with some tree damage. Some hazardous travel may 
  develop, especially during the nighttime hours.

* ADDITIONAL DETAILS... Occasional freezing rain and freezing 
  drizzle will likely persist through early Friday. Most of the 
  additional icing will occur on elevated surfaces as 
  temperatures hover around 31 or 32 degrees. Some icing on 
  mainly bridges and overpasses may develop, especially later 
  tonight as temperatures fall to around 30.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. Prepare for possible power
outages. 

The latest road conditions for North Carolina can be obtained by
visiting DriveNC.gov.

&&

$$

NCZ011-021>026-038>040-191200-
/O.CON.KRAH.WW.Y.0006.000000T0000Z-210219T1200Z/
Halifax-Forsyth-Guilford-Alamance-Orange-Durham-Franklin-Davidson-
Randolph-Chatham-
Including the cities of Roanoke Rapids, Enfield, Scotland Neck, 
Winston-Salem, Greensboro, High Point, Burlington, Graham, 
Mebane, Hillsborough, Chapel Hill, Carrboro, Durham, Rougemont, 
Louisburg, Franklinton, Lexington, Thomasville, Asheboro, 
Archdale, Siler City, and Pittsboro
1248 AM EST Fri Feb 19 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS
MORNING...

* WHAT...Freezing rain. Additional ice accumulations of a trace 
  to a tenth of an inch is possible.

* WHERE...Portions of central North Carolina.

* WHEN...Until 7 AM EST Friday.

* IMPACTS...Hazardous travel conditions are possible, mainly on 
  bridges and overpasses. The hazardous conditions could impact 
  the morning or evening commute.

* ADDITIONAL DETAILS...The temperatures will hover in the lower 
  30s through early Friday. Occasional light rain will be mixed 
  with light freezing rain. Most of the icing will be found on 
  elevated surfaces. Some slick spots are possible on mainly 
  bridges and overpasses tonight.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. Prepare for possible
power outages. 

The latest road conditions for North Carolina can be obtained by
visiting DriveNC.gov.

&&

$$
892 
WWUS42 KRAH 191148
WSWRAH

URGENT - WINTER WEATHER MESSAGE
National Weather Service Raleigh NC
648 AM EST Fri Feb 19 2021

NCZ007>010-191300-
/O.EXP.KRAH.WS.W.0004.000000T0000Z-210219T1200Z/
Person-Granville-Vance-Warren-
Including the cities of Roxboro, Oxford, Creedmoor, Henderson, 
Kittrell, Warrenton, and Norlina
648 AM EST Fri Feb 19 2021

...WINTER STORM WARNING WILL EXPIRE AT 7 AM EST THIS MORNING...

Temperatures across the area are rising to at or above the
freezing mark, and wintry weather will no longer be a threat.

$$

NCZ011-021>026-038>040-191300-
/O.EXP.KRAH.WW.Y.0006.000000T0000Z-210219T1200Z/
Halifax-Forsyth-Guilford-Alamance-Orange-Durham-Franklin-Davidson-
Randolph-Chatham-
Including the cities of Roanoke Rapids, Enfield, Scotland Neck, 
Winston-Salem, Greensboro, High Point, Burlington, Graham, 
Mebane, Hillsborough, Chapel Hill, Carrboro, Durham, Rougemont, 
Louisburg, Franklinton, Lexington, Thomasville, Asheboro, 
Archdale, Siler City, and Pittsboro
648 AM EST Fri Feb 19 2021

...WINTER WEATHER ADVISORY WILL EXPIRE AT 7 AM EST THIS MORNING...

Temperatures across the area are rising to at or above the
freezing mark, and wintry weather will no longer be a threat.

$$

GIH

The office that day

Everything else NWS Raleigh, NC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 16, 8:33 PM ESTRiver Flood WarningRAHCumberland18 hr
Feb 17, 3:13 AM ESTWinter Weather AdvisoryRAHAlamance, Chatham, Davidson, Durham, Forsyth, Franklin and 10 more52 hr
Feb 17, 6:06 AM ESTAreal Flood WarningRAHSampson4 days
Feb 17, 3:01 PM ESTFlash Flood WatchRAHAnson, Cumberland, Edgecombe, Franklin, Halifax, Harnett and 12 more40 hr

Nearby

Winter Storm Warnings in North Carolina, 2021Every winter storm warning in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.