Alert archive / North Carolina / Special Weather Statements in 2020

Special Weather Statement, NWS Raleigh, NC

June 20, 2020Forsyth County, North Carolina

NWS Raleigh, NC issued this special weather statement at Jun 20, 2020, 12:56 PM EDT for Forsyth County, North Carolina. It was in force for 64 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: Jun 20, 2020, 12:56 PM EDT (16:56 UTC)
Expired: Jun 20, 2020, 2:00 PM EDT
In force: 64 min
Issued by: NWS Raleigh, NC

County Forsyth County, NC

The radar

The Roanoke radar (KFCX), 104 km from the middle of the area, began a volume at 16:56 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, 4.9 hours before the alert went out and 43 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: 85 J/kg
Mixed-layer CIN: -86 J/kg
Mixed-layer LCL: 884 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: 25 m²/s²
0-3 km storm-relative helicity: 42 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 Jun 20, 9:50 AM EDT, 3 hours 6 minutes earlier.

Area forecast discussion, Jun 20, 9:50 AM EDT, 3 hours 6 minutes before

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</head>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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Hazardous weather outlook, Jun 20, 4:23 AM EDT, 8 hours 33 minutes before

Hazardous Weather Outlook
National Weather Service Raleigh NC
423 AM EDT Sat Jun 20 2020

NCZ007>011-021>028-038>043-073>078-083>086-088-089-210830-
Person-Granville-Vance-Warren-Halifax-Forsyth-Guilford-Alamance-
Orange-Durham-Franklin-Nash-Edgecombe-Davidson-Randolph-Chatham-Wake-
Johnston-Wilson-Stanly-Montgomery-Moore-Lee-Harnett-Wayne-Anson-
Richmond-Scotland-Hoke-Cumberland-Sampson-
423 AM EDT Sat Jun 20 2020

This Hazardous Weather Outlook is for central North Carolina.

.DAY ONE...Today and tonight.

Areas of fog are expected through around daybreak. Otherwise, locally
heavy rain in showers and thunderstorms is possible again today.
Isolated flash flooding is possible through the early evening
tonight.

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

No widespread hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Special weather statement, Jun 20, 12:56 PM EDT, 0 minutes before

Special Weather Statement
National Weather Service Raleigh NC
1256 PM EDT Sat Jun 20 2020

NCZ021-201800-
Forsyth NC-
1256 PM EDT Sat Jun 20 2020

...A STRONG THUNDERSTORM WILL AFFECT FORSYTH COUNTY UNTIL 200 PM
EDT...

At 1255 PM EDT, Doppler radar was tracking a strong thunderstorm near
Enon, or near East Bend, moving southeast at 20 mph.

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...
Winston-Salem, Clemmons, Bermuda Run, Lewisville, Pfafftown, Donnaha,
Sedge Garden and Stanleyville.

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.

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

&&

LAT...LON 3612 8046 3614 8044 3621 8045 3622 8043
      3624 8045 3626 8045 3626 8035 3604 8008
      3602 8011 3603 8021 3600 8022 3600 8032
      3597 8040 3599 8042 3601 8042 3606 8046
      3606 8048 3605 8048 3610 8051
TIME...MOT...LOC 1655Z 321DEG 16KT 3619 8044

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 19, 8:05 PM EDT	Flash Flood Warning Considerable damage threat	RAH	Moore	6 hr
Jun 19, 8:31 PM EDT	Areal Flood Advisory	RAH	Cumberland, Harnett, Hoke, Moore	3 hr
Jun 19, 9:44 PM EDT	Special Weather Statement	RAH	Wake	61 min
Jun 19, 9:55 PM EDT	Special Weather Statement	RAH	Cumberland, Hoke, Richmond, Scotland	65 min
Jun 19, 10:41 PM EDT	Areal Flood Advisory	RAH	Cumberland, Hoke, Richmond, Sampson, Scotland	3 hr
Jun 19, 11:03 PM EDT	Flash Flood Warning Considerable damage threat	RAH	Cumberland, Harnett, Hoke, Moore	3 hr
Jun 20, 1:46 AM EDT	Areal Flood Warning	RAH	Sampson, Wayne	9 hr
Jun 20, 5:36 AM EDT	River Flood Warning	RAH	Cumberland	9 hr
Jun 20, 2:05 PM EDT	Special Weather Statement	RAH	Guilford	55 min
Jun 20, 2:08 PM EDT	Special Weather Statement	RAH	Davidson, Forsyth	67 min
Jun 20, 3:00 PM EDT	Special Weather Statement	RAH	Alamance, Chatham	45 min
Jun 20, 3:38 PM EDT	Severe Thunderstorm Warning	RAH	Chatham, Lee, Moore	41 min
Jun 20, 3:56 PM EDT	Special Weather Statement	RAH	Chatham, Orange	64 min
Jun 20, 4:12 PM EDT	Special Weather Statement	RAH	Cumberland, Hoke	48 min
Jun 20, 4:44 PM EDT	Special Weather Statement	RAH	Halifax	46 min
Jun 20, 4:54 PM EDT	Areal Flood Advisory	RAH	Cumberland, Hoke, Moore	3 hr
Jun 20, 4:55 PM EDT	Severe Thunderstorm Warning	RAH	Cumberland, Harnett	34 min
Jun 20, 5:11 PM EDT	Flash Flood Warning Considerable damage threat	RAH	Cumberland, Hoke, Moore, Sampson	3 hr
Jun 20, 5:28 PM EDT	Special Weather Statement	RAH	Sampson	47 min
Jun 20, 5:42 PM EDT	Special Weather Statement	RAH	Cumberland	63 min
Jun 20, 6:12 PM EDT	Areal Flood Advisory	RAH	Sampson, Wayne	2 hr
Jun 20, 7:01 PM EDT	Special Weather Statement	RAH	Halifax	59 min
Jun 20, 7:24 PM EDT	Areal Flood Advisory	RAH	Edgecombe, Nash	3 hr
Jun 20, 7:35 PM EDT	Flash Flood Warning Considerable damage threat	RAH	Edgecombe, Nash, Wilson	117 min

Nearby

Special Weather Statements in North Carolina, 2020 Every special weather statement in 2020

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.