Alert archive / North Carolina / Special Weather Statements in 2021

Special Weather Statement, NWS Raleigh, NC

August 14, 2021Durham County, North Carolina

NWS Raleigh, NC issued this special weather statement at Aug 14, 2021, 3:45 PM EDT for Durham County, North Carolina. It was in force for 60 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: Aug 14, 2021, 3:45 PM EDT (19:45 UTC)
Expired: Aug 14, 2021, 4:45 PM EDT
In force: 60 min
Issued by: NWS Raleigh, NC
Hail: 0.50 in
Wind: 55

County Durham County, NC

The radar

The Raleigh/Durham radar (KRAX), 49 km from the middle of the area, began a volume at 19:46 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

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 7.8 hours before the alert went out and 104 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1624 J/kg
Mixed-layer CIN: -77 J/kg
Mixed-layer LCL: 954 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: 2 m²/s²
0-3 km storm-relative helicity: 30 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 Aug 14, 3:30 PM EDT, 15 minutes earlier.

Area forecast discussion, Aug 14, 3:30 PM EDT, 15 minutes before

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Hazardous weather outlook, Aug 14, 10:13 AM EDT, 5 hours 32 minutes before

Hazardous Weather Outlook
National Weather Service Raleigh NC
1013 AM EDT Sat Aug 14 2021

NCZ008>011-025>028-040>043-075>078-085-086-088-089-151415-
Granville-Vance-Warren-Halifax-Durham-Franklin-Nash-Edgecombe-
Chatham-Wake-Johnston-Wilson-Moore-Lee-Harnett-Wayne-Scotland-Hoke-
Cumberland-Sampson-
1013 AM EDT Sat Aug 14 2021

...HEAT ADVISORY IN EFFECT UNTIL 7 PM EDT THIS EVENING...

This Hazardous Weather Outlook is for central North Carolina.

.DAY ONE...Today and tonight.

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

   Heat Advisory.

Additionally, isolated strong to damaging wind gusts, and locally
heavy downpours and flooding, will be possible.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Strong to damaging wind gusts, and locally heavy downpours and
flooding, will be possible in scattered to locally numerous
thunderstorms on Sunday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

NCZ007-021>024-038-039-073-074-083-084-151415-
Person-Forsyth-Guilford-Alamance-Orange-Davidson-Randolph-Stanly-
Montgomery-Anson-Richmond-
1013 AM EDT Sat Aug 14 2021

This Hazardous Weather Outlook is for central North Carolina.

.DAY ONE...Today and tonight.

Strong to damaging wind gusts, and locally heavy downpours and
flooding, will be possible in scattered to locally numerous
thunderstorms today.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Strong to damaging wind gusts, and locally heavy downpours and
flooding, will be possible in scattered to locally numerous
thunderstorms on Sunday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Special weather statement, Aug 14, 1:47 PM EDT, 1 hour 58 minutes before

Special Weather Statement
National Weather Service Raleigh NC
147 PM EDT Sat Aug 14 2021

NCZ026-041-141830-
Franklin NC-Wake NC-
147 PM EDT Sat Aug 14 2021

...A strong thunderstorm will impact portions of northeastern Wake
and south central Franklin Counties through 230 PM EDT...

At 145 PM EDT, Doppler radar was tracking a strong thunderstorm 8
miles east of Raleigh, moving east at 10 mph.

HAZARD...Winds in excess of 40 mph.

SOURCE...Radar indicated.

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

Locations impacted include...
Raleigh, Garner, Zebulon, Knightdale, Wendell, Rolesville and Pilot.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Heavy rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3582 7825 3575 7837 3569 7863 3587 7868
      3601 7831
TIME...MOT...LOC 1745Z 252DEG 10KT 3583 7851

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

AS

Special weather statement, Aug 14, 2:55 PM EDT, 50 minutes before

Special Weather Statement
National Weather Service Raleigh NC
255 PM EDT Sat Aug 14 2021

NCZ073-083-142000-
Stanly NC-Anson NC-
255 PM EDT Sat Aug 14 2021

...A strong thunderstorm will impact portions of northwestern Anson
and southern Stanly Counties through 400 PM EDT...

At 254 PM EDT, Doppler radar was tracking a strong thunderstorm 8
miles southeast of Midland, or 16 miles southwest of Albemarle,
drifting northwest at 10 mph.

HAZARD...Winds in excess of 40 mph.

SOURCE...Radar indicated.

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

Locations impacted include...
Albemarle, Plyler, Midland, Locust, Oakboro, Stanfield and Finger.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways. Drivers are urged to slow down and use extra caution to
avoid hydroplaning.

&&

LAT...LON 3539 8037 3536 8019 3525 8014 3515 8015
      3505 8024 3505 8029 3520 8028 3520 8030
      3518 8031 3517 8035 3518 8037 3517 8039
      3517 8042 3516 8044 3519 8051
TIME...MOT...LOC 1854Z 136DEG 8KT 3517 8036

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

10

Local storm report, Aug 14, 3:07 PM EDT, 38 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
307 PM EDT SAT AUG 14 2021

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0243 PM     HAIL             3 N NEW HOPE            35.86N 78.57W
08/14/2021  E0.70 INCH       WAKE               NC   TRAINED SPOTTER

            TRAINED SPOTTER REPORTS DIME SIZED HAIL NEAR
            SPRING FOREST ROAD AND FOX ROAD IN RALEIGH.

&&

AS

Local storm report, Aug 14, 3:14 PM EDT, 31 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
314 PM EDT SAT AUG 14 2021

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0305 PM     HAIL             3 NNW LAKE WHEELER      35.74N 78.74W
08/14/2021  E0.88 INCH       WAKE               NC   PUBLIC

            PUBLIC REPORTS NICKEL SIZED HAIL NEAR CARY
            PARKWAY AND HOLLY SPRING ROAD.

&&

AS

Local storm report, Aug 14, 3:38 PM EDT, 7 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
338 PM EDT SAT AUG 14 2021

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0304 PM     HAIL             2 WSW FALLS LAKE        35.92N 78.62W
08/14/2021  E0.88 INCH       WAKE               NC   PUBLIC

            PUBLIC REPORTS NICKEL SIZED HAIL IN NORTH
            RALEIGH NEAR FALLS LAKE. TIME ESTIMATED BY
            RADAR.

&&

AS

Special weather statement, Aug 14, 3:45 PM EDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 13, 8:56 PM EDT	Special Weather Statement	RAH	Vance	64 min
Aug 13, 9:36 PM EDT	Special Weather Statement	RAH	Stanly	24 min
Aug 13, 10:11 PM EDT	Special Weather Statement	RAH	Stanly	34 min
Aug 13, 10:45 PM EDT	Special Weather Statement	RAH	Montgomery	45 min
Aug 13, 11:26 PM EDT	Special Weather Statement	RAH	Montgomery, Moore	64 min
Aug 14, 12:03 AM EDT	Special Weather Statement	RAH	Granville	42 min
Aug 14, 12:37 AM EDT	Severe Thunderstorm Warning	RAH	Davidson, Montgomery, Stanly	68 min
Aug 14, 4:01 AM EDT	Heat Advisory	RAH	Chatham, Cumberland, Durham, Edgecombe, Franklin, Granville and 14 more	14 hr
Aug 14, 1:46 PM EDT	Special Weather Statement	RAH	Moore	44 min
Aug 14, 1:47 PM EDT	Special Weather Statement	RAH	Wake	43 min
Aug 14, 2:09 PM EDT	Severe Thunderstorm Warning	RAH	Anson, Stanly	51 min
Aug 14, 2:15 PM EDT	Severe Thunderstorm Warning	RAH	Franklin, Johnston, Nash, Wake	45 min
Aug 14, 2:33 PM EDT	Flash Flood Warning Considerable damage threat	RAH	Franklin, Wake	2 hr
Aug 14, 2:50 PM EDT	Severe Thunderstorm Warning	RAH	Wake	40 min
Aug 14, 2:55 PM EDT	Special Weather Statement	RAH	Stanly	65 min
Aug 14, 3:01 PM EDT	Severe Thunderstorm Warning	RAH	Durham, Granville, Wake	44 min
Aug 14, 3:25 PM EDT	Flash Flood Warning Considerable damage threat	RAH	Chatham, Durham, Wake	3 hr
Aug 14, 3:27 PM EDT	Severe Thunderstorm Warning	RAH	Chatham, Harnett, Wake	37 min
Aug 14, 3:39 PM EDT	Severe Thunderstorm Warning	RAH	Chatham, Durham, Wake	51 min
Aug 14, 3:53 PM EDT	Severe Thunderstorm Warning	RAH	Durham, Granville, Wake	29 min
Aug 14, 4:08 PM EDT	Areal Flood Advisory	RAH	Anson, Richmond	70 min
Aug 14, 4:08 PM EDT	Special Weather Statement	RAH	Anson, Richmond	52 min
Aug 14, 4:38 PM EDT	Special Weather Statement	RAH	Forsyth	67 min
Aug 14, 4:44 PM EDT	Special Weather Statement	RAH	Wake	61 min
Aug 14, 4:50 PM EDT	Severe Thunderstorm Warning	RAH	Forsyth	40 min
Aug 14, 5:19 PM EDT	Severe Thunderstorm Warning	RAH	Alamance	19 min
Aug 14, 5:24 PM EDT	Areal Flood Advisory	RAH	Forsyth	2 hr
Aug 14, 6:25 PM EDT	Special Weather Statement	RAH	Guilford	35 min
Aug 14, 6:32 PM EDT	Areal Flood Advisory	RAH	Guilford	118 min
Aug 14, 6:48 PM EDT	Special Weather Statement	RAH	Guilford	57 min
Aug 14, 7:23 PM EDT	Flash Flood Warning Considerable damage threat	RAH	Guilford	2 hr

Nearby

Special Weather Statements in North Carolina, 2021 Every 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.