Alert archive / North Carolina / Areal Flood Warnings in 2017

Areal Flood Warning 13, NWS Greenville-Spartanburg, SC

May 25, 2017Burke County, North Carolina

NWS Greenville-Spartanburg, SC issued this areal flood warning at May 25, 2017, 12:33 AM EDT for Burke County, North Carolina. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: May 25, 2017, 12:33 AM EDT (04:33 UTC)
Expired: May 25, 2017, 3:30 AM EDT
In force: 3 hr
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon
Flood severity: None

County Burke County, NC

The radar

The Greer radar (KGSP), 107 km from the middle of the area, began a volume at 04:31 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, 4.6 hours before the alert went out and 167 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: 24 J/kg
Mixed-layer CIN: -98 J/kg
Mixed-layer LCL: 880 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 190 m²/s²
0-3 km storm-relative helicity: 278 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this areal flood warning 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 areal flood warning went out at May 24, 7:40 PM EDT, 4 hours 53 minutes earlier.

Area forecast discussion, May 24, 7:40 PM EDT, 4 hours 53 minutes before

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Hazardous weather outlook, May 24, 7:06 PM EDT, 5 hours 27 minutes before

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In the hours before

Special weather statement, May 24, 6:36 PM EDT, 5 hours 57 minutes before

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Special weather statement, May 24, 6:39 PM EDT, 5 hours 54 minutes before

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Local storm report, May 24, 6:40 PM EDT, 5 hours 53 minutes before

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Special weather statement, May 24, 6:46 PM EDT, 5 hours 47 minutes before

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Special weather statement, May 24, 7:05 PM EDT, 5 hours 28 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, 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, 9:49 AM EDT	Special Weather Statement	GSP	Rowan	41 min
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

Areal Flood Warnings in North Carolina, 2017 Every areal flood warning 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.