Alert archive / North Carolina / Special Weather Statements in 2016

Special Weather Statement, NWS Raleigh, NC

April 28, 2016Guilford County, North Carolina

NWS Raleigh, NC issued this special weather statement at Apr 28, 2016, 3:02 PM EDT for Guilford County, 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: Apr 28, 2016, 3:02 PM EDT (19:02 UTC)
Expired: Apr 28, 2016, 3:45 PM EDT
In force: 43 min
Issued by: NWS Raleigh, NC

County Guilford County, NC

The radar

The Roanoke radar (KFCX), 117 km from the middle of the area, began a volume at 19:04 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, 7.0 hours before the alert went out and 19 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: 236 J/kg
Mixed-layer CIN: -69 J/kg
Mixed-layer LCL: 622 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 114 m²/s²
0-3 km storm-relative helicity: 128 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.9

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 Apr 28, 2:50 PM EDT, 12 minutes earlier.

Area forecast discussion, Apr 28, 2:50 PM EDT, 12 minutes before

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Hazardous weather outlook, Apr 28, 4:45 AM EDT, 10 hours 17 minutes before

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In the hours before

Special weather statement, Apr 28, 3:02 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
302 PM EDT THU APR 28 2016

NCZ021-022-038-039-281945-
GUILFORD   NC-RANDOLPH   NC-DAVIDSON   NC-FORSYTH   NC-
302 PM EDT THU APR 28 2016

 ...A STRONG THUNDERSTORM WILL AFFECT PORTIONS OF SOUTHWESTERN
GUILFORD...NORTHWESTERN RANDOLPH...NORTHEASTERN DAVIDSON AND
SOUTHEASTERN FORSYTH COUNTIES UNTIL 345 PM EDT...

AT 301 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR
WINSTON-SALEM...MOVING EAST AT 20 MPH.

HALF INCH HAIL AND WIND GUSTS UP TO 40 MPH WILL BE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
GREENSBORO...WINSTON-SALEM...HIGH POINT...THOMASVILLE...KERNERSVILLE...
ARCHDALE...TRINITY...PLEASANT GARDEN...JAMESTOWN AND RANDLEMAN REGIONAL
RESERVIOR MARINA.

LAT...LON 3592 8027 3608 8027 3615 7976 3585 7978
TIME...MOT...LOC 1901Z 265DEG 18KT 3601 8023

GIH

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 28, 1:18 AM EDT	Areal Flood Advisory	RAH	Durham, Edgecombe, Franklin, Granville, Halifax, Nash and 4 more	2 hr
Apr 28, 3:22 PM EDT	Special Weather Statement	RAH	Randolph	38 min
Apr 28, 4:12 PM EDT	Special Weather Statement	RAH	Alamance	48 min
Apr 28, 4:19 PM EDT	Severe Thunderstorm Warning	RAH	Alamance, Guilford, Orange	41 min
Apr 28, 4:36 PM EDT	Severe Thunderstorm Warning	RAH	Chatham, Lee, Wake	24 min
Apr 28, 4:45 PM EDT	Severe Thunderstorm Warning	RAH	Alamance, Chatham, Durham, Orange	60 min
Apr 28, 5:02 PM EDT	Special Weather Statement	RAH	Wake	58 min
Apr 28, 5:17 PM EDT	Special Weather Statement	RAH	Harnett	58 min
Apr 28, 5:24 PM EDT	Severe Thunderstorm Warning	RAH	Franklin, Johnston, Wake	51 min
Apr 28, 5:33 PM EDT	Special Weather Statement	RAH	Davidson	42 min
Apr 28, 5:35 PM EDT	Severe Thunderstorm Warning	RAH	Alamance, Forsyth, Guilford, Orange	55 min
Apr 28, 5:42 PM EDT	Severe Thunderstorm Warning	RAH	Cumberland, Harnett, Sampson	48 min
Apr 28, 5:54 PM EDT	Areal Flood Advisory	RAH	Guilford	2 hr
Apr 28, 5:54 PM EDT	Special Weather Statement	RAH	Person	51 min
Apr 28, 5:55 PM EDT	Special Weather Statement	RAH	Davidson	65 min
Apr 28, 6:13 PM EDT	Severe Thunderstorm Warning	RAH	Franklin, Nash, Wake	32 min
Apr 28, 6:16 PM EDT	Severe Thunderstorm Warning	RAH	Granville, Person	44 min
Apr 28, 6:18 PM EDT	Severe Thunderstorm Warning	RAH	Alamance, Guilford, Orange	42 min
Apr 28, 6:20 PM EDT	Severe Thunderstorm Warning	RAH	Johnston, Wayne	40 min
Apr 28, 6:45 PM EDT	Severe Thunderstorm Warning	RAH	Johnston, Sampson, Wayne	45 min
Apr 28, 6:57 PM EDT	Areal Flood Advisory	RAH	Alamance, Chatham, Durham, Guilford, Orange	2 hr
Apr 28, 6:57 PM EDT	Severe Thunderstorm Warning	RAH	Alamance, Chatham, Durham, Orange	48 min
Apr 28, 7:03 PM EDT	Special Weather Statement	RAH	Halifax	57 min
Apr 28, 7:08 PM EDT	Severe Thunderstorm Warning	RAH	Edgecombe, Halifax, Nash	37 min
Apr 28, 7:20 PM EDT	Special Weather Statement	RAH	Granville, Vance	40 min
Apr 28, 7:28 PM EDT	Severe Thunderstorm Warning	RAH	Franklin, Granville, Vance, Warren	22 min
Apr 28, 7:41 PM EDT	Severe Thunderstorm Warning	RAH	Chatham, Harnett, Lee, Wake	49 min
Apr 28, 7:42 PM EDT	Special Weather Statement	RAH	Wake	48 min
Apr 28, 7:55 PM EDT	Special Weather Statement	RAH	Edgecombe	35 min

Nearby

Special Weather Statements in North Carolina, 2016 Every special weather statement in 2016

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.