Alert archive / North Carolina / River Flood Warnings in 2020

River Flood Warning 25, NWS Greenville-Spartanburg, SC

May 20, 2020Henderson County, Transylvania County, North Carolina

NWS Greenville-Spartanburg, SC issued this river flood warning at May 20, 2020, 9:58 AM EDT for Henderson County, Transylvania County, North Carolina. It took effect at May 20, 2020, 7:08 PM EDT. It was in force for 45 hr.

The area

The counties it named.

The facts

Issued: May 20, 2020, 9:58 AM EDT (13:58 UTC)
In effect from: May 20, 2020, 7:08 PM EDT
Expired: May 22, 2020, 4:04 PM EDT
In force: 45 hr
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon
Flood severity: Minor

Counties Henderson County, NC, Transylvania County, NC

The radar

The Greer radar (KGSP), 57 km from the middle of the area, began a volume at 14:01 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 river

Written for the forecast point French Broad River at Grove Bridge Rd, in Blantyre (BLAN7). The gauge peaked at 16.47 ft at May 21, 2020, 5:00 PM EDT.

Action stage: 15 ft
Minor stage: 16 ft
Moderate stage: 19 ft
Major stage: 23 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 03443000, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

The local office's own words before this river 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 river flood warning went out at May 20, 9:11 AM EDT, 47 minutes earlier.

Area forecast discussion, May 20, 9:11 AM EDT, 47 minutes before

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Hazardous weather outlook, May 20, 5:09 AM EDT, 4 hours 49 minutes before

Hazardous Weather Outlook
National Weather Service Greenville-Spartanburg SC
509 AM EDT Wed May 20 2020

NCZ033-035>037-049-050-053-056-057-064-065-068>072-082-501>510-
SCZ002-003-005>010-013-014-210915-
Avery-Alexander-Iredell-Davie-Yancey-Mitchell-Buncombe-Catawba-Rowan-
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-
Pickens Mountains-Greenville Mountains-Greater Pickens-
Greater Greenville-Spartanburg-Cherokee-York-Anderson-Union SC-
Chester-
509 AM EDT Wed May 20 2020

...FLASH FLOOD WATCH IN EFFECT THROUGH THURSDAY MORNING...

This Hazardous Weather Outlook is for the western Piedmont, foothills,
and parts of the North Carolina mountains, and parts of upstate
South Carolina.

.DAY ONE...Today and tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flash Flood Watch.

In addition to the heavy rainfall threat, isolated thunderstorms are
possible through tonight. The storms that develop will produce cloud
to ground lightning, torrential downpours, and wind gusts capable of
knocking down trees weakened by the heavy rain and saturated soil.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flash Flood Watch.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed. Please relay any information about
observed severe weather to the NWS while following all local, state,
and CDC guidelines.

GAZ010-NCZ048-051-052-058-059-062-063-210915-
Rabun-Madison-Swain-Haywood-Graham-Northern Jackson-Macon-
Southern Jackson-
509 AM EDT Wed May 20 2020

This Hazardous Weather Outlook is for northeast Georgia and western
North Carolina.

.DAY ONE...Today and tonight.

Isolated thunderstorms are possible through tonight. The main
threats from these thunderstorms will be heavy rainfall and cloud to
ground lightning. Some locations could experience minor flooding
where numerous showers and storms occur.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Periods of showers and storms could persist into Thursday morning.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed. Please relay any information about
observed severe weather to the NWS while following all local, state,
and CDC guidelines.

GAZ017-018-026-028-029-SCZ001-004-011-012-019-210915-
Habersham-Stephens-Franklin-Hart-Elbert-Oconee Mountains-
Greater Oconee-Abbeville-Laurens-Greenwood-
509 AM EDT Wed May 20 2020

This Hazardous Weather Outlook is for northeast Georgia and upstate
South Carolina.

.DAY ONE...Today and tonight.

Numerous of showers and thunderstorms are expected through today and
into tonight. Periods of heavy rain can be expected, perhaps enough
to cause flooding of poor drainage areas and rapid rises on streams
and creeks. Cloud to ground lightning can be expected in
thunderstorms. A few of the storms could produce wind gusts strong
enough to knock down a few trees that have been weakened by the heavy
rain and saturated soil.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

No significant weather is expected.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed. Please relay any information about
observed severe weather to the NWS while following all local, state,
and CDC guidelines.

PM

In the hours before

Local storm report, May 20, 9:20 AM EDT, 38 minutes before

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Local storm report, May 20, 9:31 AM EDT, 27 minutes before

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Local storm report, May 20, 9:33 AM EDT, 25 minutes before

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Local storm report, May 20, 9:36 AM EDT, 22 minutes before

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Local storm report, May 20, 9:38 AM EDT, 20 minutes before

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Local storm report, May 20, 9:52 AM EDT, 6 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
952 AM EDT WED MAY 20 2020

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

0930 AM     FLASH FLOOD      6 N ANDERSON            34.60N 82.65W
05/20/2020                   ANDERSON           SC   LAW ENFORCEMENT

            DALRYMPLE RD NEAR THOMPSON RD FLOODED.

&&

17

The office that day

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

Issued	Product	Office	Counties	Lasted
May 19, 8:33 PM EDT	River Flood Advisory	GSP	Cleveland	5 hr
May 19, 8:53 PM EDT	Areal Flood Advisory	GSP	Buncombe, Henderson, Polk, Rutherford	3 hr
May 19, 10:00 PM EDT	Areal Flood Advisory	GSP	McDowell	3 hr
May 19, 10:25 PM EDT	Areal Flood Advisory	GSP	Avery, Burke, Caldwell, McDowell	3 hr
May 20, 12:24 AM EDT	River Flood Warning	GSP	Cleveland	58 hr
May 20, 1:13 AM EDT	Areal Flood Advisory	GSP	Burke, Caldwell	12 hr
May 20, 8:24 AM EDT	Areal Flood Advisory	GSP	Transylvania	10 hr
May 20, 8:33 AM EDT	Areal Flood Advisory	GSP	Gaston, Mecklenburg	60 hr
May 20, 8:54 AM EDT	Areal Flood Advisory	GSP	Henderson, Polk	9 hr
May 20, 10:16 AM EDT	Areal Flood Advisory	GSP	Henderson	5 hr
May 20, 11:26 AM EDT	Areal Flood Advisory	GSP	Buncombe, McDowell, Rutherford	6 hr
May 20, 12:20 PM EDT	Areal Flood Warning	GSP	Buncombe, Henderson, Rutherford	6 hr
May 20, 12:39 PM EDT	River Flood Advisory	GSP	Buncombe, Henderson	12 hr
May 20, 12:43 PM EDT	Areal Flood Warning	GSP	McDowell	6 hr
May 20, 2:29 PM EDT	Areal Flood Advisory	GSP	Mecklenburg	3 hr
May 20, 3:32 PM EDT	Areal Flood Advisory	GSP	Henderson	14 hr
May 20, 5:53 PM EDT	Areal Flood Advisory	GSP	Cabarrus, Mecklenburg	13 hr
May 20, 6:32 PM EDT	Areal Flood Advisory	GSP	Transylvania	32 hr
May 20, 6:51 PM EDT	Areal Flood Warning	GSP	McDowell	6 hr
May 19, 8:28 PM EDT	Areal Flood Advisory	GSP	Greenville, Spartanburg	21 hr
May 19, 8:33 PM EDT	River Flood Advisory	GSP	Cherokee, York	12 hr
May 20, 4:21 AM EDT	Areal Flood Advisory	GSP	Anderson	6 hr
May 20, 4:38 AM EDT	Areal Flood Advisory	GSP	Greenville	6 hr
May 20, 5:39 AM EDT	Special Weather Statement	GSP	Abbeville	36 min
May 20, 5:55 AM EDT	Flash Flood Warning	GSP	Anderson, Greenville	6 hr
May 20, 6:07 AM EDT	Special Weather Statement	GSP	Abbeville	38 min
May 20, 6:56 AM EDT	Special Weather Statement	GSP	Laurens	49 min
May 20, 11:05 AM EDT	River Flood Warning	GSP	Anderson, Greenville	25 hr
May 20, 11:40 AM EDT	Areal Flood Warning	GSP	Greenville	27 hr
May 20, 11:52 AM EDT	Areal Flood Warning	GSP	Anderson	6 hr
May 20, 3:18 PM EDT	River Flood Warning	GSP	Cherokee, York	45 hr
May 20, 6:13 PM EDT	Areal Flood Advisory	GSP	Greenville, Spartanburg	18 hr
May 20, 5:38 PM EDT	Areal Flood Advisory	GSP	Hart	4 hr

Nearby

River Flood Warnings in North Carolina, 2020 Every river flood warning in 2020

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.