Alert archive / North Carolina / Areal Flood Warnings in 2011

Areal Flood Warning 9, NWS Greenville-Spartanburg, SC

April 16, 2011Burke County, Caldwell County, North Carolina

NWS Greenville-Spartanburg, SC issued this areal flood warning at Apr 16, 2011, 7:53 PM EDT for Burke County, Caldwell County, North Carolina. It was in force for 6 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: Apr 16, 2011, 7:53 PM EDT (23:53 UTC)
Expired: Apr 17, 2011, 2:00 AM EDT
In force: 6 hr
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon
Flood severity: None

Counties Burke County, NC, Caldwell County, NC

The radar

The Greer radar (KGSP), 120 km from the middle of the area, began a volume at 23:54 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, 11.9 hours before the alert went out and 157 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 516 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 605 m²/s²
0-3 km storm-relative helicity: 909 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Apr 16, 7:02 PM EDT, 51 minutes earlier.

Area forecast discussion, Apr 16, 7:02 PM EDT, 51 minutes before

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Hazardous weather outlook, Apr 16, 3:52 PM EDT, 4 hours 1 minute before

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In the hours before

Local storm report, Apr 16, 2:17 PM EDT, 5 hours 36 minutes before

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Local storm report, Apr 16, 3:06 PM EDT, 4 hours 47 minutes before

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Local storm report, Apr 16, 3:38 PM EDT, 4 hours 15 minutes before

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Local storm report, Apr 16, 4:50 PM EDT, 3 hours 3 minutes before

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Local storm report, Apr 16, 4:57 PM EDT, 2 hours 56 minutes before

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Local storm report, Apr 16, 5:36 PM EDT, 2 hours 17 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
Apr 16, 4:20 AM EDT	Flash Flood Warning	GSP	Henderson	6 hr
Apr 16, 4:54 AM EDT	Flash Flood Warning	GSP	Transylvania	6 hr
Apr 16, 7:23 AM EDT	River Flood Warning	GSP	Henderson, Transylvania	60 hr
Apr 16, 7:37 AM EDT	Areal Flood Advisory	GSP	Avery, Mitchell, Yancey	4 hr
Apr 16, 8:35 AM EDT	Flash Flood Warning	GSP	Avery, Burke, Caldwell, McDowell, Mitchell, Yancey	6 hr
Apr 16, 9:48 AM EDT	Areal Flood Warning	GSP	Henderson, Transylvania	6 hr
Apr 16, 10:23 AM EDT	Special Weather Statement	GSP	Cleveland	37 min
Apr 16, 11:01 AM EDT	Special Weather Statement	GSP	Catawba, Gaston, Lincoln	29 min
Apr 16, 11:31 AM EDT	Special Weather Statement	GSP	Alexander, Catawba, Gaston, Iredell, Lincoln, Mecklenburg	29 min
Apr 16, 11:50 AM EDT	Severe Thunderstorm Warning	GSP	Cabarrus, Davie, Gaston, Iredell, Lincoln, Mecklenburg and 1 more	40 min
Apr 16, 11:59 AM EDT	Special Weather Statement	GSP	Mecklenburg, Union	46 min
Apr 16, 12:30 PM EDT	Severe Thunderstorm Warning	GSP	Cabarrus, Davie, Rowan	45 min
Apr 16, 12:40 PM EDT	Tornado Warning	GSP	Davie, Rowan	18 min
Apr 16, 12:46 PM EDT	Special Weather Statement	GSP	Union	44 min
Apr 16, 1:00 PM EDT	Tornado Warning	GSP	Union	26 min
Apr 16, 2:16 PM EDT	Areal Flood Warning	GSP	Burke, Caldwell	6 hr
Apr 16, 3:31 PM EDT	Areal Flood Advisory	GSP	Henderson, Transylvania	119 min
Apr 16, 3:52 PM EDT	Lake Wind Advisory	GSP	Alexander, Avery, Buncombe, Burke, Cabarrus, Caldwell and 22 more	14 hr
Apr 16, 3:52 PM EDT	Wind Advisory	GSP	Alexander, Avery, Buncombe, Burke, Cabarrus, Caldwell and 22 more	4 hr
Apr 15, 11:01 PM EDT	Special Weather Statement	GSP	Oconee	44 min
Apr 16, 12:40 AM EDT	Special Weather Statement	GSP	Greenwood	35 min
Apr 16, 1:17 AM EDT	Special Weather Statement	GSP	Laurens	28 min
Apr 16, 9:44 AM EDT	Special Weather Statement	GSP	Greenville, Spartanburg	61 min
Apr 15, 10:36 PM EDT	Special Weather Statement	GSP	Franklin, Hart, Stephens	54 min

Nearby

Areal Flood Warnings in North Carolina, 2011 Every areal flood warning in 2011

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.