Alert archive / North Carolina / Special Weather Statements in 2017

Special Weather Statement, NWS Greenville-Spartanburg, SC

May 25, 2017Rowan County, North Carolina

NWS Greenville-Spartanburg, SC issued this special weather statement at May 25, 2017, 9:49 AM EDT for Rowan County, North Carolina. It was in force for 41 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: May 25, 2017, 9:49 AM EDT (13:49 UTC)
Expired: May 25, 2017, 10:30 AM EDT
In force: 41 min
Issued by: NWS Greenville-Spartanburg, SC

County Rowan County, NC

The radar

The Roanoke radar (KFCX), 156 km from the middle of the area, began a volume at 13:52 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

Charleston AFB, SC (KCHS), launched 12:00Z, 1.8 hours before the alert went out and 312 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: 12 J/kg
Mixed-layer CIN: -59 J/kg
Mixed-layer LCL: 1066 m above ground
0-6 km bulk shear: 66 kt
0-1 km storm-relative helicity: -36 m²/s²
0-3 km storm-relative helicity: -83 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.1

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 Greenville-Spartanburg, SC wrote its last area forecast discussion before this special weather statement went out at May 24, 7:40 PM EDT, 14 hours 9 minutes earlier.

Area forecast discussion, May 24, 7:40 PM EDT, 14 hours 9 minutes before

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Hazardous weather outlook, May 24, 7:06 PM EDT, 14 hours 43 minutes before

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The office that day

Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 24, 8:26 PM EDT	Areal Flood Advisory	GSP	Burke, Caldwell	3 hr
May 24, 8:37 PM EDT	Areal Flood Advisory	GSP	Caldwell	3 hr
May 24, 9:00 PM EDT	Areal Flood Warning	GSP	Caldwell	3 hr
May 24, 9:22 PM EDT	Areal Flood Advisory	GSP	Henderson	3 hr
May 24, 9:37 PM EDT	Areal Flood Warning	GSP	McDowell, Rutherford	3 hr
May 24, 11:28 PM EDT	Areal Flood Advisory	GSP	Burke, Caldwell	3 hr
May 25, 12:33 AM EDT	Areal Flood Warning	GSP	Burke	3 hr
May 25, 1:08 AM EDT	Special Weather Statement	GSP	Union	52 min
May 25, 3:41 AM EDT	Areal Flood Advisory	GSP	Burke	3 hr
May 25, 11:45 AM EDT	Special Weather Statement	GSP	Cabarrus	45 min
May 24, 8:15 PM EDT	Special Weather Statement	GSP	Cherokee, Union	30 min
May 24, 11:45 PM EDT	Special Weather Statement	GSP	Greenwood	30 min
May 25, 12:42 AM EDT	Special Weather Statement	GSP	Chester	33 min

Nearby

Special Weather Statements in North Carolina, 2017 Every special weather statement in 2017

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.