Alert archive / North Carolina / Special Weather Statements in 2021

Special Weather Statement, NWS Greenville-Spartanburg, SC

July 26, 2021Burke County, Caldwell County, North Carolina

NWS Greenville-Spartanburg, SC issued this special weather statement at Jul 26, 2021, 1:45 PM EDT for Burke County, Caldwell County, North Carolina. It was in force for 45 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
Jul 26, 2021, 1:45 PM EDT (17:45 UTC)
Expired
Jul 26, 2021, 2:30 PM EDT
In force
45 min
Issued by
NWS Greenville-Spartanburg, SC

Counties Burke County, NC, Caldwell County, NC

The radar

The Greer radar (KGSP), 139 km from the middle of the area, began a volume at 17:47 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 12:00Z, 5.8 hours before the alert went out and 136 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-pSkew-T log-p diagram, Greensboro/Hi Pt, NC at 12:00Z on 2021-07-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 401 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 12:00Z on 2021-07-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 92 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
401 J/kg
Mixed-layer CIN
-82 J/kg
Mixed-layer LCL
925 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
92 m²/s²
0-3 km storm-relative helicity
62 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 Jul 26, 10:39 AM EDT, 3 hours 6 minutes earlier.

Area forecast discussion, Jul 26, 10:39 AM EDT, 3 hours 6 minutes before
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      <div class="status" id="status">Temporary Notice</div>
      <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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        Please try again in a few minutes.
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Hazardous weather outlook, Jul 26, 4:05 AM EDT, 9 hours 40 minutes before
Hazardous Weather Outlook
National Weather Service Greenville-Spartanburg SC
405 AM EDT Mon Jul 26 2021

NCZ036-037-057-270815-
Iredell-Davie-Rowan-
405 AM EDT Mon Jul 26 2021

This Hazardous Weather Outlook is for piedmont North Carolina.

.DAY ONE...Today and tonight.

A backdoor cold front will allow for shower and thunderstorm
development this afternoon into this evening. The main hazards are
cloud- to-ground lighting, isolated strong to severe storms bringing
the potential for damaging wind gusts, and heavy downpours. Any
areas that repeatedly see heavy downpours could experience excessive
rainfall leading to the potential for isolated flooding or flash
flooding.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

None.

GAZ010-017-018-026-028-029-NCZ033-035-048>053-056-058-059-062>065-
068>072-082-501>510-SCZ001>014-019-270815-
Rabun-Habersham-Stephens-Franklin-Hart-Elbert-Avery-Alexander-
Madison-Yancey-Mitchell-Swain-Haywood-Buncombe-Catawba-Graham-
Northern Jackson-Macon-Southern Jackson-Transylvania-Henderson-
Cleveland-Lincoln-Gaston-Mecklenburg-Cabarrus-Union NC-
Caldwell Mountains-Greater Caldwell-Burke Mountains-Greater Burke-
McDowell Mountains-Eastern McDowell-Rutherford Mountains-
Greater Rutherford-Polk Mountains-Eastern Polk-Oconee Mountains-
Pickens Mountains-Greenville Mountains-Greater Oconee-
Greater Pickens-Greater Greenville-Spartanburg-Cherokee-York-
Anderson-Abbeville-Laurens-Union SC-Chester-Greenwood-
405 AM EDT Mon Jul 26 2021

This Hazardous Weather Outlook is for northeast Georgia, piedmont
North Carolina, western North Carolina and upstate South Carolina.

.DAY ONE...Today and tonight.

A backdoor cold front will allow for shower and thunderstorm
development this afternoon into this evening. The main hazards are
cloud- to-ground lighting and heavy downpours. Any areas that
repeatedly see heavy downpours could experience excessive rainfall
leading to the potential for isolated flooding or flash flooding.
Isolated strong to severe thunderstorms cannot be ruled out. The main
potential impact from any strong to severe storm would be isolated
damaging wind gusts.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

None.

In the hours before

Local storm report, Jul 26, 9:39 AM EDT, 4 hours 6 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
939 AM EDT MON JUL 26 2021

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0830 PM     FLASH FLOOD      1 SSE CULLOWHEE         35.29N 83.17W
07/25/2021                   JACKSON            NC   911 CALL CENTER

            WEST ROGERS ROAD WAS WASHED OUT AND COMTINUES TO BE
            CLOSED TODAY AS REPAIR WORK IS BEING DONE WITH EXPECTED
            REOPENING LATE TODAY. NEARBY LEDBETTER ROAD WAS CLOSED
            TEMPORARILY SUNDAY EVENING DUE TO A TREE THAT FELL ACROSS
            THE ROADWAY WHERE THE ROOTS MAY HAVE BEEN WASHED OUT
            CAUSING THE TREE TO FALL.

&&

OUTLAW
Special weather statement, Jul 26, 1:22 PM EDT, 23 minutes before
Special Weather Statement
National Weather Service Greenville-Spartanburg SC
122 PM EDT Mon Jul 26 2021

NCZ033-050-501>507-261745-
McDowell Mountains NC-Caldwell Mountains NC-Burke Mountains NC-
Greater Burke NC-Greater Caldwell NC-Eastern McDowell NC-
Rutherford Mountains NC-Avery NC-Mitchell NC-
122 PM EDT Mon Jul 26 2021

...A CLUSTER OF THUNDERSTORMS WILL IMPACT MCDOWELL...SOUTHEASTERN
MITCHELL...CALDWELL...SOUTHEASTERN AVERY AND WESTERN BURKE COUNTIES
UNTIL 145 PM EDT...

At 121 PM EDT, Doppler radar indicated the leading edge of a cluster
of thunderstorms along a line extending from 10 miles south of Deep
Gap to 16 miles southwest of Marion, and moving southeast at 15 mph.

Locations to be impacted include...
Lenoir, Marion, Morganton, Gamewell, Glen Alpine, Old Fort, Cedar
Rock, Linville Falls, B.R. Parkway-Craggy To Little Switzerland and
Lake James State Park.

Wind gusts up to 35 mph will be possible in these areas.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall may flood areas with poor drainage, such as
ditches and underpasses. Avoid these areas and do not cross flooded
roads. Water levels of small streams may also rise rapidly. Seek
higher ground if threatened by flood waters.

&&

LAT...LON 3612 8155 3607 8141 3604 8139 3602 8134
      3600 8133 3555 8200 3554 8208 3547 8213
      3553 8218 3553 8217 3560 8228 3562 8227
      3568 8229 3574 8219 3579 8216 3611 8179
TIME...MOT...LOC 1721Z 325DEG 12KT 3608 8147 3555 8225

ARK
Special weather statement, Jul 26, 1:45 PM EDT, 0 minutes before
Special Weather Statement
National Weather Service Greenville-Spartanburg SC
145 PM EDT Mon Jul 26 2021

NCZ035-501>506-261830-
McDowell Mountains NC-Caldwell Mountains NC-Burke Mountains NC-
Greater Burke NC-Greater Caldwell NC-Alexander NC-
Eastern McDowell NC-
145 PM EDT Mon Jul 26 2021

...STRONG THUNDERSTORMS WILL IMPACT NORTHEASTERN MCDOWELL...NORTHERN
ALEXANDER...CALDWELL AND BURKE COUNTIES UNTIL 230 PM EDT...

At 145 PM EDT, Doppler radar indicated strong thunderstorms along a
line extending from 9 miles northeast of Lenoir to 8 miles west of
Morganton, and moving southeast at 15 mph.

Locations to be impacted include...
Lenoir, Morganton, Marion, Sawmills, Granite Falls, Valdese,
Gamewell, Hudson, Cajah's Mountain and Drexel.

Wind gusts up to 45 mph and pea size hail will be possible in these
areas.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Gusty winds can blow down trees that are dead, or that have weakened
root systems. Outdoor furniture and similar items can be tossed
around if not anchored. Seek shelter indoors.

Torrential rainfall may flood areas with poor drainage, such as
ditches and underpasses. Avoid these areas and do not cross flooded
roads. Water levels of small streams may also rise rapidly. Seek
higher ground if threatened by flood waters.

&&

LAT...LON 3607 8141 3604 8140 3602 8135 3600 8133
      3603 8127 3604 8120 3603 8117 3604 8113
      3603 8107 3605 8103 3602 8102 3558 8181
      3558 8182 3556 8184 3579 8211 3610 8152
TIME...MOT...LOC 1745Z 303DEG 11KT 3598 8139 3574 8185

ARK

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 25, 8:00 PM EDTFlash Flood WarningGSPJackson79 min
Jul 25, 9:29 PM EDTAreal Flood AdvisoryGSPBurke, McDowell47 min
Jul 26, 1:22 PM EDTSpecial Weather StatementGSPCaldwell, McDowell23 min
Jul 26, 2:08 PM EDTAreal Flood AdvisoryGSPBurke3 hr
Jul 26, 2:22 PM EDTSpecial Weather StatementGSPAlexander23 min
Jul 26, 2:33 PM EDTSevere Thunderstorm WarningGSPAlexander, Iredell42 min
Jul 26, 2:36 PM EDTSpecial Weather StatementGSPBurke24 min
Jul 26, 3:01 PM EDTSpecial Weather StatementGSPBurke29 min
Jul 26, 3:06 PM EDTAreal Flood AdvisoryGSPMacon3 hr
Jul 26, 3:08 PM EDTSpecial Weather StatementGSPDavie, Iredell52 min
Jul 26, 3:26 PM EDTSevere Thunderstorm WarningGSPCleveland, Lincoln, Rutherford49 min
Jul 26, 3:28 PM EDTSevere Thunderstorm WarningGSPCatawba, Iredell, Rowan47 min
Jul 26, 3:55 PM EDTSevere Thunderstorm WarningGSPCleveland, Gaston50 min
Jul 26, 3:58 PM EDTSpecial Weather StatementGSPPolk32 min
Jul 26, 4:09 PM EDTSpecial Weather StatementGSPMecklenburg36 min
Jul 26, 4:33 PM EDTSevere Thunderstorm WarningGSPGaston20 min
Jul 26, 5:10 PM EDTAreal Flood AdvisoryGSPMecklenburg3 hr
Jul 26, 5:45 PM EDTSevere Thunderstorm WarningGSPMecklenburg30 min
Jul 26, 6:03 PM EDTAreal Flood AdvisoryGSPGaston, Mecklenburg3 hr
Jul 26, 4:15 PM EDTSpecial Weather StatementGSPOconee30 min
Jul 26, 4:17 PM EDTSpecial Weather StatementGSPSpartanburg28 min
Jul 26, 4:38 PM EDTSpecial Weather StatementGSPSpartanburg37 min
Jul 26, 5:04 PM EDTAreal Flood AdvisoryGSPCherokee, Greenville, Spartanburg, York3 hr
Jul 26, 5:15 PM EDTSpecial Weather StatementGSPGreenville30 min
Jul 26, 5:47 PM EDTSpecial Weather StatementGSPLaurens, Union, York28 min
Jul 26, 6:11 PM EDTSpecial Weather StatementGSPChester, Union, York34 min
Jul 26, 6:20 PM EDTSpecial Weather StatementGSPAnderson25 min
Jul 26, 6:48 PM EDTSpecial Weather StatementGSPLaurens, Union27 min
Jul 26, 7:40 PM EDTSpecial Weather StatementGSPAbbeville35 min
Jul 26, 6:45 PM EDTSpecial Weather StatementGSPHart30 min
Jul 26, 7:09 PM EDTSpecial Weather StatementGSPElbert36 min

Nearby

Special Weather Statements in North Carolina, 2021Every special weather statement 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.