Alert archive / North Carolina / Special Weather Statements in 2017

Special Weather Statement, NWS Raleigh, NC

February 9, 20178 counties in North Carolina

NWS Raleigh, NC issued this special weather statement at Feb 9, 2017, 4:02 AM EST for 8 counties in North Carolina. It was in force for 43 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Feb 9, 2017, 4:02 AM EST (09:02 UTC)
Expired
Feb 9, 2017, 4:45 AM EST
In force
43 min
Issued by
NWS Raleigh, NC

Counties Edgecombe County, NC, Franklin County, NC, Harnett County, NC, Johnston County, NC, Nash County, NC, Sampson County, NC, Wayne County, NC, Wilson County, NC

The radar

The Raleigh/Durham radar (KRAX), 65 km from the middle of the area, began a volume at 09:03 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

Newport, NC (KMHX), launched 00:00Z, 9.0 hours before the alert went out and 131 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, Newport, NC at 00:00Z on 2017-02-09Temperature 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, Newport, NC at 00:00Z on 2017-02-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 square meters per square second.1939587897Sfc1 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
1011 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
81 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

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

NWS Raleigh, NC wrote its last area forecast discussion before this special weather statement went out at Feb 9, 3:20 AM EST, 42 minutes earlier.

Area forecast discussion, Feb 9, 3:20 AM EST, 42 minutes before
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Hazardous weather outlook, Feb 9, 3:30 AM EST, 32 minutes before
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In the hours before

Special weather statement, Feb 9, 12:22 AM EST, 3 hours 40 minutes before
Special Weather Statement
National Weather Service Raleigh NC
1222 AM EST THU FEB 9 2017

NCZ028-043-090615-
Edgecombe NC-Wilson NC-
1222 AM EST THU FEB 9 2017

...A strong thunderstorm will affect portions of Edgecombe and
Wilson Counties Until 115 AM EST...

At 1221 AM EST, Doppler radar was tracking A strong thunderstorm 7
miles northwest of Fremont, or 18 miles north of Goldsboro, moving
northeast at 45 mph.

Nickel size hail and wind gusts up to 40 mph will be possible with
this storm.

Deadly cloud to ground lightning will also be possible with this
storm.

Locations impacted include...
Tarboro, Wilson, Elm City, Princeville, Sharpsburg, Pinetops, Lucama,
Stantonsburg, Black Creek and Macclesfield.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Seek shelter in a nearby building or vehicle. Wind gusts as high as
40 mph are capable of knocking down tree limbs and blowing around
trash cans, potted plants, lawn furniture and other light outdoor
objects.

&&

LAT...LON 3582 7735 3583 7739 3581 7742 3580 7747
      3557 7782 3559 7782 3560 7806 3559 7807
      3561 7813 3573 7818 3584 7790 3584 7785
      3588 7782 3603 7747 3600 7743 3600 7741
      3590 7734
TIME...MOT...LOC 0521Z 245DEG 39KT 3564 7805

77
Special weather statement, Feb 9, 2:33 AM EST, 1 hour 29 minutes before
Special Weather Statement
National Weather Service Raleigh NC
233 AM EST THU FEB 9 2017

NCZ039-040-073>075-090815-
Stanly NC-Chatham NC-Randolph NC-Moore NC-Montgomery NC-
233 AM EST THU FEB 9 2017

 ...A line of heavy rain showers WILL AFFECT PORTIONS OF Stanly...
southwestern Chatham...southern Randolph...Moore and Montgomery
Counties Until 315 AM EST...

At 231 AM EST, Doppler radar was tracking A line of heavy rain
showers along a line extending from 6 miles west of Seagrove to
Albemarle. Movement was east at 55 mph.

Wind gusts up to 40 mph will be possible with the line of showers as
well as behind the line of showers.

Locations impacted include...
Albemarle, Southern Pines, Troy, Carthage, Badin Lake, Pinehurst,
Aberdeen, Biscoe, Goldston and Seagrove.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Seek shelter in a nearby building or vehicle. Wind gusts as high as
40 mph are capable of knocking down tree limbs and blowing around
trash cans, potted plants, lawn furniture and other light outdoor
objects.

These showers may intensify into thunderstorms, so be certain to
monitor local radio stations and available television stations for
additional information and possible warnings from the National
Weather Service.

&&

LAT...LON 3535 8039 3560 7992 3563 7927 3555 7928
      3552 7935 3548 7936 3540 7930 3517 7932
      3512 7938 3518 7968 3518 7985 3514 8005
      3519 8011 3515 8016 3516 8022 3521 8025
      3517 8035 3518 8051
TIME...MOT...LOC 0731Z 274DEG 48KT 3552 7990 3536 8022

Ellis
Special weather statement, Feb 9, 3:05 AM EST, 57 minutes before
Special Weather Statement
National Weather Service Raleigh NC
305 AM EST THU FEB 9 2017

NCZ007>009-024>026-041-090845-
Franklin NC-Vance NC-Durham NC-Wake NC-Person NC-Granville NC-
Orange NC-
305 AM EST THU FEB 9 2017

 ...A line of heavy rain showers will affect portions of Franklin...
southern Vance...Durham...northeastern Wake...southeastern Person...
southern Granville and central Orange Counties Until 345 AM EST...

At 304 AM EST, Doppler radar was tracking A line of heavy rain
showers along a line extending from near Rougemont to near
Hillsborough. Movement was east at 45 mph.

Wind gusts up to 50 mph will be possible with these storms.

Locations impacted include...
Durham, Henderson, Oxford, Hillsborough, Creedmoor, Louisburg, Wake
Forest, Butner, Franklinton and Kittrell.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Seek shelter in a nearby building or vehicle. Wind gusts as high as
50 mph are capable of knocking down small or weakened trees and
blowing around trash cans, potted plants, lawn furniture and other
light outdoor objects.

These showers may intensify into thunderstorms, so be certain to
monitor local radio stations and available television stations for
additional information and possible warnings from the National
Weather Service.

&&

LAT...LON 3629 7829 3627 7831 3627 7827 3625 7819
      3625 7817 3624 7816 3625 7813 3621 7811
      3621 7805 3620 7801 3593 7819 3598 7926
      3602 7926 3632 7886
TIME...MOT...LOC 0804Z 277DEG 39KT 3627 7885 3604 7917

Ellis
Special weather statement, Feb 9, 3:09 AM EST, 53 minutes before
Special Weather Statement
National Weather Service Raleigh NC
309 AM EST THU FEB 9 2017

NCZ040>042-075>077-090900-
Johnston NC-Lee NC-Chatham NC-Harnett NC-Wake NC-Moore NC-
309 AM EST THU FEB 9 2017

 ...A line of strong thunderstorms will affect portions of central
Johnston...Lee...southeastern Chatham...Harnett...southern Wake and
central Moore Counties Until 400 AM EST...

At 309 AM EST, Doppler radar was tracking A line of strong
thunderstorms along a line extending from near Siler City to 8 miles
northeast of Ansonville. Movement was east at 60 mph.

Wind gusts up to 50 mph will be possible with these storms.

Locations impacted include...
Raleigh, Cary, Sanford, Southern Pines, Smithfield, Pittsboro,
Lillington, Carthage, Garner and Fuquay-Varina.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Seek shelter in a nearby building or vehicle. Wind gusts as high as
50 mph are capable of knocking down small or weakened trees and
blowing around trash cans, potted plants, lawn furniture and other
light outdoor objects.

These storms may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 3519 7965 3527 7971 3528 7970 3573 7918
      3584 7827 3577 7825 3573 7819 3529 7851
      3532 7854 3525 7861 3526 7880 3521 7903
TIME...MOT...LOC 0809Z 264DEG 51KT 3566 7951 3521 8004

Ellis
Special weather statement, Feb 9, 3:41 AM EST, 21 minutes before
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Special weather statement, Feb 9, 4:02 AM EST, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Feb 8, 9:17 PM ESTSpecial Weather StatementRAHDavidson, Montgomery, Randolph, Stanly58 min
Feb 8, 9:30 PM ESTSpecial Weather StatementRAHForsyth30 min
Feb 8, 10:09 PM ESTSpecial Weather StatementRAHLee, Moore51 min
Feb 8, 10:48 PM ESTSpecial Weather StatementRAHJohnston, Wake42 min
Feb 8, 10:57 PM ESTSpecial Weather StatementRAHDurham, Granville, Vance48 min
Feb 8, 11:34 PM ESTSpecial Weather StatementRAHJohnston56 min
Feb 9, 12:22 AM ESTSpecial Weather StatementRAHEdgecombe, Wilson53 min
Feb 9, 2:33 AM ESTSpecial Weather StatementRAHMontgomery, Moore, Stanly42 min
Feb 9, 3:05 AM ESTSpecial Weather StatementRAHDurham, Franklin, Granville, Orange40 min
Feb 9, 3:09 AM ESTSpecial Weather StatementRAHHarnett, Johnston, Lee, Moore, Wake51 min
Feb 9, 3:41 AM ESTSpecial Weather StatementRAHHalifax49 min

Nearby

Special Weather Statements in North Carolina, 2017Every special weather statement in 2017

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.