Alert archive / North Carolina / Flash Flood Warnings in 2024

Flash Flood Warning 63, NWS Greenville-Spartanburg, SC

September 26, 2024Alexander County, North Carolina

NWS Greenville-Spartanburg, SC issued this flash flood warning at Sep 26, 2024, 1:02 PM EDT for Alexander County, North Carolina. It was in force for 4 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
Sep 26, 2024, 1:02 PM EDT (17:02 UTC)
Expired
Sep 26, 2024, 5:30 PM EDT
In force
4 hr
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon
Flood severity
None

County Alexander County, NC

The radar

The Roanoke radar (KFCX), 147 km from the middle of the area, began a volume at 17:04 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, 5.0 hours before the alert went out and 116 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 2024-09-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 89 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 2024-09-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 square meters per square second.19395878Sfc1 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
89 J/kg
Mixed-layer CIN
-60 J/kg
Mixed-layer LCL
764 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
66 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 flash 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 flash flood warning went out at Sep 26, 10:15 AM EDT, 2 hours 47 minutes earlier.

Area forecast discussion, Sep 26, 10:15 AM EDT, 2 hours 47 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>
Hazardous weather outlook, Sep 25, 6:10 PM EDT, 18 hours 52 minutes before
Hazardous Weather Outlook
National Weather Service Greenville-Spartanburg SC
610 PM EDT Wed Sep 25 2024

GAZ010-017-018-026-028-029-NCZ033-048>053-056-058-059-062>065-068-
069-501>510-SCZ008-010>013-019-101>109-262215-
Rabun-Habersham-Stephens-Franklin-Hart-Elbert-Avery-Madison-Yancey-
Mitchell-Swain-Haywood-Buncombe-Catawba-Graham-Northern Jackson-
Macon-Southern Jackson-Transylvania-Henderson-Cleveland-Lincoln-
Caldwell Mountains-Greater Caldwell-Burke Mountains-Greater Burke-
McDowell Mountains-Eastern McDowell-Rutherford Mountains-
Greater Rutherford-Polk Mountains-Eastern Polk-Cherokee-Anderson-
Abbeville-Laurens-Union SC-Greenwood-Oconee Mountains-
Pickens Mountains-Greenville Mountains-Greater Oconee-
Greater Pickens-Central Greenville-Southern Greenville-
Northern Spartanburg-Southern Spartanburg-
610 PM EDT Wed Sep 25 2024

...FLOOD WATCH IN EFFECT THROUGH FRIDAY AFTERNOON...
...TROPICAL STORM WARNING IN EFFECT...

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

.DAY ONE...Tonight.

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

   Flood Watch.
   Tropical Storm Warning.

.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.

   Flood Watch.
   Tropical Storm Warning.

A tropical system is expected to strengthen over the Gulf of Mexico
on Thursday as it tracks northward. This system will impact the
western Carolinas and northeast Georgia Thursday and Friday,
bringing gusty winds, heavy rainfall, and flooding to the area.

.SPOTTER INFORMATION STATEMENT...

None.

NCZ070-071-082-SCZ009-014-262215-
Gaston-Mecklenburg-Union NC-York-Chester-
610 PM EDT Wed Sep 25 2024

...TROPICAL STORM WARNING IN EFFECT...

This Hazardous Weather Outlook is for piedmont North Carolina and
upstate South Carolina.

.DAY ONE...Tonight.

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

   Tropical Storm Warning.

.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.

   Tropical Storm Warning.

A tropical system is expected to strengthen over the Gulf of Mexico
on Thursday as it tracks northward. This system will impact the
western Carolinas and northeast Georgia Thursday and Friday,
bringing gusty winds, heavy rainfall, and flooding to the area.

.SPOTTER INFORMATION STATEMENT...

None.

NCZ036-037-057-072-262215-
Iredell-Davie-Rowan-Cabarrus-
610 PM EDT Wed Sep 25 2024

This Hazardous Weather Outlook is for the northwest Piedmont of North
Carolina.

.DAY ONE...Tonight.

Another round of scattered thunderstorms is expected this evening and
into the overnight hours. Some of these storms could become strong
to severe and produce damaging wind gusts and hail. Heavy rainfall
can occur with any storm.

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

A tropical system is expected to strengthen over the Gulf of Mexico
on Thursday as it tracks northward. This system will impact the
western Carolinas and northeast Georgia Thursday and Friday,
bringing gusty winds, heavy rainfall, and flooding to the area.

.SPOTTER INFORMATION STATEMENT...

None.

NCZ035-262215-
Alexander-
610 PM EDT Wed Sep 25 2024

...FLOOD WATCH IN EFFECT THROUGH FRIDAY AFTERNOON...

This Hazardous Weather Outlook is for piedmont North Carolina.

.DAY ONE...Tonight.

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

   Flood Watch.

.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.

   Flood Watch.

A tropical system is expected to strengthen over the Gulf of Mexico
on Thursday as it tracks northward. This system will impact the
western Carolinas and northeast Georgia Thursday and Friday,
bringing gusty winds, heavy rainfall, and flooding to the area.

.SPOTTER INFORMATION STATEMENT...

None.

PM

In the hours before

Special weather statement, Sep 26, 8:39 AM EDT, 4 hours 23 minutes before
Special Weather Statement
National Weather Service Greenville-Spartanburg SC
839 AM EDT Thu Sep 26 2024

SCZ009-261315-
York SC-
839 AM EDT Thu Sep 26 2024

...GUSTY SHOWERS WILL IMPACT SOUTHEASTERN YORK COUNTY THROUGH 915 AM
EDT...

At 838 AM EDT, Doppler radar was tracking gusty showers 5 miles
southeast of Rock Hill, or over Lesslie, moving north at 25 mph.

HAZARD...Wind gusts up to 40 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Rock Hill, Fort Mill, Tega Cay, Lesslie, Catawba, Carowinds, and Lake
Wylie.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

Conditions are favorable for development of a very brief, weak
tornado. Be prepared to take immediate action if a tornado is sighted
or a Tornado Warning is issued.

&&

LAT...LON 3490 8088 3487 8088 3484 8087 3482 8090
      3482 8104 3503 8107 3510 8094 3506 8090
      3503 8090 3501 8091 3499 8089 3497 8088
      3496 8087 3492 8086
TIME...MOT...LOC 1238Z 178DEG 23KT 3489 8094

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

8
Special weather statement, Sep 26, 9:12 AM EDT, 3 hours 50 minutes before
Special Weather Statement
National Weather Service Greenville-Spartanburg SC
912 AM EDT Thu Sep 26 2024

NCZ056-261345-
Catawba NC-
912 AM EDT Thu Sep 26 2024

...GUSTY SHOWERS WILL IMPACT SOUTHEASTERN CATAWBA COUNTY THROUGH 945
AM EDT...

At 911 AM EDT, Doppler radar was tracking gusty showers 7 miles
southeast of Newton, or 4 miles east of Maiden, moving north at 15
mph.

HAZARD...Wind gusts up to 40 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Newton, Conover, Maiden, Claremont, Catawba, St. Stephens, Bandys,
and Sherrills Ford.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

Conditions are favorable for development of a very brief, weak
tornado. Be prepared to take immediate action if a tornado is sighted
or a Tornado Warning is issued.

&&

LAT...LON 3571 8106 3571 8101 3555 8102 3556 8121
      3573 8129 3574 8107
TIME...MOT...LOC 1311Z 173DEG 14KT 3559 8112

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

8

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 25, 8:07 PM EDTFlash Flood WarningGSPBuncombe, Henderson, McDowell, Mitchell, Polk, Rutherford and 1 more11 hr
Sep 25, 8:46 PM EDTFlash Flood WarningGSPAvery, Burke, McDowell, Mitchell, Yancey6 hr
Sep 25, 8:56 PM EDTSpecial Weather StatementGSPDavie34 min
Sep 25, 9:24 PM EDTAreal Flood AdvisoryGSPTransylvania8 hr
Sep 25, 9:49 PM EDTAreal Flood AdvisoryGSPHenderson8 hr
Sep 25, 9:50 PM EDTSpecial Weather StatementGSPAvery25 min
Sep 25, 11:22 PM EDTAreal Flood AdvisoryGSPBurke, Caldwell, McDowell10 hr
Sep 26, 12:03 AM EDTFlash Flood Warning Considerable damage threatGSPRutherford7 hr
Sep 26, 2:36 AM EDTAreal Flood AdvisoryGSPAvery, Burke, McDowell, Mitchell, Yancey8 hr
Sep 26, 2:53 AM EDTAreal Flood AdvisoryGSPAlexander, Caldwell, Catawba6 hr
Sep 26, 4:31 AM EDTFlash Flood WarningGSPMcDowell6 hr
Sep 26, 5:06 AM EDTFlash Flood Warning Considerable damage threatGSPHenderson22 hr
Sep 26, 5:16 AM EDTFlash Flood WarningGSPTransylvania11 hr
Sep 26, 7:01 AM EDTAreal Flood WarningGSPMcDowell8 hr
Sep 26, 7:40 AM EDTAreal Flood AdvisoryGSPPolk3 hr
Sep 26, 7:45 AM EDTAreal Flood AdvisoryGSPRutherford3 hr
Sep 26, 9:00 AM EDTAreal Flood AdvisoryGSPHaywood4 hr
Sep 26, 9:03 AM EDTAreal Flood AdvisoryGSPJackson4 hr
Sep 26, 9:11 AM EDTAreal Flood AdvisoryGSPAlexander, Catawba, Iredell, Lincoln2 hr
Sep 26, 9:12 AM EDTSpecial Weather StatementGSPCatawba33 min
Sep 26, 9:17 AM EDTAreal Flood AdvisoryGSPMacon7 hr
Sep 26, 9:20 AM EDTTornado WarningGSPAlexander, Catawba, Iredell25 min
Sep 26, 9:52 AM EDTTornado WarningGSPGaston, Mecklenburg23 min
Sep 26, 11:15 AM EDTLake Wind AdvisoryGSPAlexander, Cabarrus, Davie, Iredell, Rowan16 min
Sep 26, 11:32 AM EDTWind AdvisoryGSPAlexander, Avery, Buncombe, Burke, Cabarrus, Caldwell and 22 more40 hr
Sep 26, 12:48 PM EDTAreal Flood AdvisoryGSPGaston, Lincoln3 hr
Sep 26, 5:07 PM EDTAreal Flood AdvisoryGSPAlexander, Catawba, Iredell19 hr
Sep 26, 5:54 PM EDTFlash Flood Warning EmergencyConsiderable damage threatGSPGaston, Mecklenburg3 days
Sep 26, 6:29 PM EDTFlash Flood Warning Considerable damage threatGSPRutherford9 hr
Sep 26, 7:18 PM EDTAreal Flood AdvisoryGSPBurke, McDowell12 hr
Sep 26, 7:36 PM EDTAreal Flood AdvisoryGSPBurke, Caldwell18 hr
Sep 26, 7:58 PM EDTFlash Flood WarningGSPJackson, Macon, Polk, Transylvania7 hr
Sep 26, 3:02 AM EDTAreal Flood AdvisoryGSPAnderson, Greenville, Pickens6 hr
Sep 26, 4:41 AM EDTAreal Flood AdvisoryGSPGreenville, Pickens8 hr
Sep 26, 4:49 AM EDTAreal Flood AdvisoryGSPOconee, Pickens9 hr
Sep 26, 5:02 AM EDTFlash Flood WarningGSPGreenville, Pickens9 hr
Sep 26, 6:25 AM EDTFlash Flood WarningGSPGreenville, Pickens9 hr
Sep 26, 8:30 AM EDTAreal Flood AdvisoryGSPAnderson4 hr
Sep 26, 8:39 AM EDTSpecial Weather StatementGSPYork36 min
Sep 26, 10:40 AM EDTAreal Flood AdvisoryGSPSpartanburg7 hr
Sep 26, 11:12 AM EDTAreal Flood AdvisoryGSPLaurens4 hr
Sep 26, 11:55 AM EDTFlash Flood WarningGSPChester, York9 hr
Sep 26, 1:41 PM EDTFlash Flood Warning Considerable damage threatGSPGreenwood9 hr
Sep 26, 2:43 PM EDTFlash Flood Warning Considerable damage threatGSPLaurens8 hr
Sep 26, 7:21 PM EDTFlash Flood WarningGSPAnderson, Greenville, Laurens, Spartanburg19 hr

Nearby

Flash Flood Warnings in North Carolina, 2024Every flash flood warning in 2024

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.