Alert archive / North Carolina / Fire Weather Watches in 2021

Fire Weather Watch 1, NWS Greenville-Spartanburg, SC

April 20, 202116 counties in North Carolina; 8 counties in South Carolina; 6 counties in Georgia

NWS Greenville-Spartanburg, SC issued this fire weather watch at Apr 20, 2021, 1:30 PM EDT for 16 counties in North Carolina; 8 counties in South Carolina; 6 counties in Georgia. It took effect at Apr 21, 2021, 2:00 PM EDT. It was in force for .

The area

The counties it named.

The facts

Issued: Apr 20, 2021, 1:30 PM EDT (17:30 UTC)
In effect from: Apr 21, 2021, 2:00 PM EDT
Expired: Apr 21, 2021, 3:45 AM EDT
In force
Issued by: NWS Greenville-Spartanburg, SC

All 30 counties

Elbert County, GA, Franklin County, GA, Habersham County, GA, Hart County, GA, Rabun County, GA, Stephens County, GA, Alexander County, NC, Burke County, NC, Cabarrus County, NC, Caldwell County, NC, Catawba County, NC, Cleveland County, NC, Davie County, NC, Gaston County, NC, Iredell County, NC, Lincoln County, NC, McDowell County, NC, Mecklenburg County, NC, Polk County, NC, Rowan County, NC, Rutherford County, NC, Union County, NC, Abbeville County, SC, Anderson County, SC, Cherokee County, SC, Chester County, SC, Greenwood County, SC, Laurens County, SC, Union County, SC, York County, SC

The radar

The Greer radar (KGSP), 45 km from the middle of the area, began a volume at 17:31 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 12:00Z, 5.5 hours before the alert went out and 204 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: 2032 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 7 m²/s²
0-3 km storm-relative helicity: 50 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 fire weather watch 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 fire weather watch went out at Apr 20, 10:05 AM EDT, 3 hours 25 minutes earlier.

Area forecast discussion, Apr 20, 10:05 AM EDT, 3 hours 25 minutes before

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Hazardous weather outlook, Apr 20, 5:05 AM EDT, 8 hours 25 minutes before

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      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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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 20, 3:28 AM EDT	Freeze Watch	GSP	Alexander, Avery, Buncombe, Burke, Caldwell, Graham and 12 more	24 hr

Nearby

Fire Weather Watches in North Carolina, 2021 Fire Weather Watches in South Carolina, 2021 Fire Weather Watches in Georgia, 2021 Every fire weather watch in 2021

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.