Alert archive / North Carolina / Special Weather Statements in 2021

Special Weather Statement, NWS Raleigh, NC

October 25, 20219 counties in North Carolina

NWS Raleigh, NC issued this special weather statement at Oct 25, 2021, 10:22 PM EDT for 9 counties in North Carolina. It was in force for 83 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
Oct 25, 2021, 10:22 PM EDT (02:22 UTC)
Expired
Oct 25, 2021, 11:45 PM EDT
In force
83 min
Issued by
NWS Raleigh, NC
Hail
0.00 in
Wind
40

Counties Edgecombe County, NC, Halifax County, NC, Harnett County, NC, Johnston County, NC, Lee County, NC, Nash County, NC, Wake County, NC, Wayne County, NC, Wilson County, NC

The radar

The Raleigh/Durham radar (KRAX), 54 km from the middle of the area, began a volume at 02:23 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, 2.4 hours before the alert went out and 149 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 2021-10-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 30 joules per kilogram.LCLLFCEL10008507005003002001001 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 2021-10-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 11 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
30 J/kg
Mixed-layer CIN
-245 J/kg
Mixed-layer LCL
755 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
11 m²/s²
0-3 km storm-relative helicity
106 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 Oct 25, 9:59 PM EDT, 23 minutes earlier.

Area forecast discussion, Oct 25, 9:59 PM EDT, 23 minutes before
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Hazardous weather outlook, Oct 25, 9:30 PM EDT, 52 minutes before
Hazardous Weather Outlook...UPDATED
National Weather Service Raleigh NC
930 PM EDT Mon Oct 25 2021

NCZ007-011-021>023-027-028-038>043-073>078-261015-
Person-Halifax-Forsyth-Guilford-Alamance-Nash-Edgecombe-Davidson-
Randolph-Chatham-Wake-Johnston-Wilson-Stanly-Montgomery-Moore-Lee-
Harnett-Wayne-
930 PM EDT Mon Oct 25 2021

This Hazardous Weather Outlook is for central North Carolina.

.DAY ONE...Tonight.

Hazardous weather is not expected at this time.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Gusty winds up to 30 to 35 mph are possible Tuesday.

Another strong storm system will move across the area late Thursday
into Friday bringing a threat of heavy rain and gusty winds.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

NCZ008>010-024>026-261015-
Granville-Vance-Warren-Orange-Durham-Franklin-
930 PM EDT Mon Oct 25 2021

...SEVERE THUNDERSTORM WATCH 535 IN EFFECT UNTIL 1 AM EDT TUESDAY...

This Hazardous Weather Outlook is for central North Carolina.

.DAY ONE...Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Severe Thunderstorm Watch.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Gusty winds up to 30 to 35 mph are possible Tuesday.

Another strong storm system will move across the area late Thursday
into Friday bringing a threat of heavy rain and gusty winds.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.

NCZ083>086-088-089-261015-
Anson-Richmond-Scotland-Hoke-Cumberland-Sampson-
930 PM EDT Mon Oct 25 2021

This Hazardous Weather Outlook is for central North Carolina.

.DAY ONE...Tonight.

Hazardous weather is not expected at this time.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Gusty winds up to 30 to 35 mph are possible Tuesday.

Another strong storm system will move across the area late Thursday
into Friday bringing a threat of heavy rain and gusty winds.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Special weather statement, Oct 25, 9:14 PM EDT, 1 hour 8 minutes before
Special Weather Statement
National Weather Service Raleigh NC
914 PM EDT Mon Oct 25 2021

NCZ025-026-040-041-260200-
Chatham NC-Franklin NC-Durham NC-Wake NC-
914 PM EDT Mon Oct 25 2021

...Strong thunderstorms will impact portions of northern Wake,
northeastern Chatham, southern Durham and southwestern Franklin
Counties through 1000 PM EDT...

At 914 PM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from 6 miles south of Creedmoor to near RDU
International to near Carrboro. Movement was southeast at 25 mph.

HAZARD...Wind gusts up to 50 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Raleigh, Durham, Cary, Wake Forest, RDU International, Morrisville,
Rolesville, Youngsville, Falls Lake State Rec Area and William B
Umstead State Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

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.

A Severe Thunderstorm Watch remains in effect until 100 AM EDT for
central North Carolina.

&&

LAT...LON 3606 7865 3602 7855 3604 7855 3605 7854
      3600 7829 3585 7841 3574 7873 3585 7911
      3586 7909 3586 7902 3590 7901 3595 7890
      3607 7875
TIME...MOT...LOC 0114Z 293DEG 22KT 3603 7867 3593 7882 3586 7908

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH

Kren
Special weather statement, Oct 25, 9:36 PM EDT, 46 minutes before
Special Weather Statement
National Weather Service Raleigh NC
936 PM EDT Mon Oct 25 2021

NCZ010-026-027-260215-
Nash NC-Franklin NC-Warren NC-
936 PM EDT Mon Oct 25 2021

...Strong thunderstorms will impact portions of southwestern Warren,
central Nash and Franklin Counties through 1015 PM EDT...

At 935 PM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from 9 miles southeast of Henderson to Louisburg to
near Wake Forest. Movement was southeast at 40 mph.

HAZARD...Wind gusts up to 50 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Nashville, Louisburg, Dortches, Bunn, Red Oak, Spring Hope, Castalia,
Centerville, Ingleside and Aventon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with these storms and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

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.

A Severe Thunderstorm Watch remains in effect until 100 AM EDT for
central North Carolina.

&&

LAT...LON 3622 7799 3620 7801 3618 7798 3619 7797
      3618 7795 3619 7794 3618 7793 3619 7792
      3617 7792 3616 7790 3614 7789 3615 7784
      3598 7789 3583 7816 3601 7844 3609 7837
      3625 7832 3630 7828 3634 7828
TIME...MOT...LOC 0135Z 295DEG 35KT 3625 7825 3607 7831 3597 7847

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH

Kren
Special weather statement, Oct 25, 9:46 PM EDT, 36 minutes before
Special Weather Statement
National Weather Service Raleigh NC
946 PM EDT Mon Oct 25 2021

NCZ026-027-041>043-260230-
Nash NC-Johnston NC-Franklin NC-Wake NC-Wilson NC-
946 PM EDT Mon Oct 25 2021

...Strong thunderstorms will impact portions of southwestern Nash,
central Wake, west central Wilson, northern Johnston and southwestern
Franklin Counties through 1030 PM EDT...

At 946 PM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Bunn to 6 miles south of Wake Forest to
near Raleigh. Movement was southeast at 35 mph.

HAZARD...Wind gusts up to 50 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Raleigh, Cary, Garner, Clayton, Zebulon, Bailey, Apex, Knightdale,
Wendell and Rolesville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with these storms and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

A Severe Thunderstorm Watch remains in effect until 100 AM EDT for
central North Carolina.

&&

LAT...LON 3577 7804 3564 7814 3556 7854 3573 7890
      3593 7854 3600 7840
TIME...MOT...LOC 0146Z 312DEG 30KT 3598 7832 3589 7848 3582 7871

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH

Kren
Special weather statement, Oct 25, 9:50 PM EDT, 32 minutes before
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Local storm report, Oct 25, 10:12 PM EDT, 10 minutes before
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Special weather statement, Oct 25, 10:22 PM EDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Oct 25, 8:12 PM EDTSpecial Weather StatementRAHAlamance, Orange, Person63 min
Oct 25, 8:37 PM EDTSevere Thunderstorm WarningRAHAlamance, Chatham, Durham, Granville, Orange, Person38 min
Oct 25, 9:01 PM EDTSpecial Weather StatementRAHFranklin, Granville, Vance29 min
Oct 25, 9:07 PM EDTSevere Thunderstorm WarningRAHFranklin, Granville, Vance, Wake, Warren38 min
Oct 25, 9:14 PM EDTSpecial Weather StatementRAHWake46 min
Oct 25, 9:36 PM EDTSpecial Weather StatementRAHFranklin, Nash39 min
Oct 25, 9:46 PM EDTSpecial Weather StatementRAHWake44 min
Oct 25, 9:50 PM EDTSpecial Weather StatementRAHHalifax, Warren40 min
Oct 25, 10:19 PM EDTAreal Flood AdvisoryRAHChatham, Durham, Franklin, Granville, Wake2 hr
Oct 25, 11:45 PM EDTSpecial Weather StatementRAHWayne45 min

Nearby

Special Weather Statements in North Carolina, 2021Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.