Alert archive / North Carolina / Special Weather Statements in 2014

Special Weather Statement, NWS Raleigh, NC

September 8, 201418 counties in North Carolina

NWS Raleigh, NC issued this special weather statement at Sep 8, 2014, 5:48 AM EDT for 18 counties in North Carolina. It was in force for 57 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: Sep 8, 2014, 5:48 AM EDT (09:48 UTC)
Expired: Sep 8, 2014, 6:45 AM EDT
In force: 57 min
Issued by: NWS Raleigh, NC

Counties Cumberland County, NC, Edgecombe County, NC, Franklin County, NC, Granville County, NC, Halifax County, NC, Harnett County, NC, Hoke County, NC, Johnston County, NC, Lee County, NC, Moore County, NC, Nash County, NC, Sampson County, NC, Scotland County, NC, Vance County, NC, Wake County, NC, Warren County, NC, Wayne County, NC, Wilson County, NC

The radar

The Raleigh/Durham radar (KRAX), 40 km from the middle of the area, began a volume at 09:47 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 00:00Z, 9.8 hours before the alert went out and 132 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: 56 J/kg
Mixed-layer CIN: -76 J/kg
Mixed-layer LCL: 920 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 45 m²/s²
0-3 km storm-relative helicity: 68 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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 Sep 8, 3:15 AM EDT, 2 hours 33 minutes earlier.

Area forecast discussion, Sep 8, 3:15 AM EDT, 2 hours 33 minutes before

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Hazardous weather outlook, Sep 8, 4:00 AM EDT, 1 hour 48 minutes before

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In the hours before

Special weather statement, Sep 8, 5:48 AM 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
Sep 8, 7:26 AM EDT	Special Weather Statement	RAH	Chatham, Cumberland, Durham, Edgecombe, Franklin, Granville and 16 more	79 min
Sep 8, 9:49 AM EDT	Flash Flood Watch	RAH	Chatham, Cumberland, Durham, Edgecombe, Franklin, Granville and 17 more	18 hr
Sep 8, 3:37 PM EDT	Areal Flood Advisory	RAH	Franklin, Harnett, Johnston, Nash, Wake, Warren	3 hr
Sep 8, 4:42 PM EDT	Flash Flood Warning	RAH	Johnston, Wake, Wayne, Wilson	11 hr
Sep 8, 5:22 PM EDT	Flash Flood Warning	RAH	Franklin, Halifax, Nash, Warren	12 hr
Sep 8, 5:49 PM EDT	Areal Flood Advisory	RAH	Sampson	3 hr
Sep 8, 6:10 PM EDT	Flash Flood Warning	RAH	Sampson	4 hr
Sep 8, 6:18 PM EDT	Areal Flood Advisory	RAH	Halifax	3 hr

Nearby

Special Weather Statements in North Carolina, 2014 Every special weather statement in 2014

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.