Alert archive / North Carolina / Flash Flood Warnings in 2023

Flash Flood Warning 40, NWS Raleigh, NC

August 29, 2023Franklin County, North Carolina

NWS Raleigh, NC issued this flash flood warning at Aug 29, 2023, 8:41 PM EDT for Franklin County, North Carolina. It was in force for 95 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 29, 2023, 8:41 PM EDT (00:41 UTC)
Expired
Aug 29, 2023, 10:16 PM EDT
In force
95 min
Issued by
NWS Raleigh, NC
Area
Storm-based polygon
Damage threat
Considerable
Flood severity
None

County Franklin County, NC

The radar

The Raleigh/Durham radar (KRAX), 50 km from the middle of the area, began a volume at 00:42 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

Newport, NC (KMHX), launched 00:00Z, 0.7 hours before the alert went out and 193 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, Newport, NC at 00:00Z on 2023-08-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1428 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, Newport, NC at 00:00Z on 2023-08-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 2 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
1428 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
877 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
2 m²/s²
0-3 km storm-relative helicity
35 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 flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Raleigh, NC wrote its last area forecast discussion before this flash flood warning went out at Aug 29, 8:17 PM EDT, 24 minutes earlier.

Area forecast discussion, Aug 29, 8:17 PM EDT, 24 minutes before
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Hazardous weather outlook, Aug 29, 5:32 PM EDT, 3 hours 9 minutes before
Hazardous Weather Outlook
National Weather Service Raleigh NC
532 PM EDT Tue Aug 29 2023

NCZ038-039-302145-
Davidson-Randolph-
532 PM EDT Tue Aug 29 2023

This Hazardous Weather Outlook is for central North Carolina.

.DAY ONE...Tonight.

Thunderstorms through this evening will be capable of producing wind
gusts up to 50 mph and localized flooding.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Hazardous weather is not expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

NCZ024-025-040>043-073>078-083>086-088-089-302145-
Orange-Durham-Chatham-Wake-Johnston-Wilson-Stanly-Montgomery-Moore-
Lee-Harnett-Wayne-Anson-Richmond-Scotland-Hoke-Cumberland-Sampson-
532 PM EDT Tue Aug 29 2023

...FLOOD WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH THURSDAY
EVENING...

This Hazardous Weather Outlook is for central North Carolina.

.DAY ONE...Tonight.

Thunderstorms through this evening will be capable of producing wind
gusts up to 50 mph and localized flooding.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

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

   Flood Watch.

Gusty winds between 30 and 40 mph and heavy rain from Idalia will
affect the area Wednesday into Thursday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

NCZ011-026>028-302145-
Halifax-Franklin-Nash-Edgecombe-
532 PM EDT Tue Aug 29 2023

...FLOOD WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH THURSDAY
EVENING...

This Hazardous Weather Outlook is for central North Carolina.

.DAY ONE...Tonight.

Hazardous weather is not expected at this time.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

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

   Flood Watch.

Gusty winds between 30 and 40 mph and heavy rain from Idalia will
affect the area Wednesday into Thursday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

NCZ007>010-021>023-302145-
Person-Granville-Vance-Warren-Forsyth-Guilford-Alamance-
532 PM EDT Tue Aug 29 2023

This Hazardous Weather Outlook is for central North Carolina.

.DAY ONE...Tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Special weather statement, Aug 29, 4:12 PM EDT, 4 hours 29 minutes before
Special Weather Statement
National Weather Service Raleigh NC
412 PM EDT Tue Aug 29 2023

NCZ075-086-292115-
Hoke NC-Moore NC-
412 PM EDT Tue Aug 29 2023

...A strong thunderstorm will impact portions of southeastern Moore
and north central Hoke Counties through 515 PM EDT...

At 412 PM EDT, Doppler radar was tracking a strong thunderstorm near
Southern Pines, moving northeast at 10 mph.

HAZARD...Winds in excess of 40 mph.

SOURCE...Radar indicated.

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

Locations impacted include...
Southern Pines, Whispering Pines, Vass and Cameron.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3513 7937 3523 7941 3535 7927 3531 7919
      3527 7922 3525 7919 3525 7918 3523 7916
      3521 7915 3520 7910 3517 7910 3509 7928
TIME...MOT...LOC 2012Z 231DEG 10KT 3520 7928

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

26
Special weather statement, Aug 29, 4:56 PM EDT, 3 hours 45 minutes before
Special Weather Statement
National Weather Service Raleigh NC
456 PM EDT Tue Aug 29 2023

NCZ074-075-084-292200-
Richmond NC-Montgomery NC-Moore NC-
456 PM EDT Tue Aug 29 2023

...Scattered strong thunderstorms will impact portions of western
Moore, southeastern Montgomery and northeastern Richmond Counties
through 600 PM EDT...

At 455 PM EDT, Doppler radar was tracking a scattered, strong
thunderstorm 7 miles west of Pinehurst, or 11 miles west of Southern
Pines, moving northeast at 10 mph.

HAZARD...Winds in excess of 40 mph.

SOURCE...Radar indicated.

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

Locations impacted include...
Southern Pines, Carthage, Pinehurst, Whispering Pines, Pinebluff,
Foxfire, Candor, Taylortown, Norman and Derby.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with these storms and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3509 7951 3510 7964 3518 7974 3527 7978
      3539 7971 3543 7949 3533 7934 3518 7939
TIME...MOT...LOC 2055Z 206DEG 7KT 3521 7960

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

26
Special weather statement, Aug 29, 5:23 PM EDT, 3 hours 18 minutes before
Special Weather Statement
National Weather Service Raleigh NC
523 PM EDT Tue Aug 29 2023

NCZ077-088-292230-
Harnett NC-Cumberland NC-
523 PM EDT Tue Aug 29 2023

...Strong thunderstorms will impact portions of Harnett and
northwestern Cumberland Counties through 630 PM EDT...

At 523 PM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Pope AFB to 9 miles west of Godwin.
Movement was north at 15 mph.

HAZARD...Winds in excess of 40 mph.

SOURCE...Radar indicated.

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

Locations impacted include...
Lillington, Fort Liberty, Angier, Pope AFB, Spring Lake, Coats,
Broadway, Linden, Raven Rock State Park and Olivia.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3513 7911 3519 7910 3521 7914 3529 7916
      3535 7914 3551 7899 3556 7883 3552 7869
      3549 7867 3544 7866 3524 7873 3520 7878
      3512 7910
TIME...MOT...LOC 2123Z 188DEG 12KT 3519 7904 3524 7885

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

26
Special weather statement, Aug 29, 5:53 PM EDT, 2 hours 48 minutes before
Special Weather Statement
National Weather Service Raleigh NC
553 PM EDT Tue Aug 29 2023

NCZ040-292300-
Chatham NC-
553 PM EDT Tue Aug 29 2023

...A strong thunderstorm will impact portions of central Chatham
County through 700 PM EDT...

At 553 PM EDT, Doppler radar was tracking a strong thunderstorm near
Goldston, or 11 miles north of Carthage, moving northeast at 25 mph.

HAZARD...Wind gusts up to 50 mph.

SOURCE...Radar indicated.

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

Locations impacted include...
Pittsboro, Goldston, Harpers Crossroads, Bynum and Jordan Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3581 7917 3574 7903 3555 7922 3557 7922
      3557 7924 3553 7927 3554 7929 3555 7928
      3556 7929 3554 7932 3553 7932 3552 7934
      3552 7951 3581 7941 3583 7929
TIME...MOT...LOC 2153Z 207DEG 20KT 3551 7940

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH

26
Special weather statement, Aug 29, 6:49 PM EDT, 1 hour 52 minutes before
Special Weather Statement
National Weather Service Raleigh NC
649 PM EDT Tue Aug 29 2023

NCZ024-025-040-292345-
Chatham NC-Durham NC-Orange NC-
649 PM EDT Tue Aug 29 2023

...A strong thunderstorm will impact portions of Orange, western
Durham and northeastern Chatham Counties through 745 PM EDT...

At 648 PM EDT, Doppler radar was tracking a strong thunderstorm 7
miles southwest of Carrboro, or 8 miles north of Pittsboro, moving
northeast at 30 mph.

HAZARD...Wind gusts up to 50 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could cause tree damage.

Locations impacted include...
Durham, Chapel Hill, Hillsborough, Carrboro, Rougemont, Lake Michie,
Eno River State Park, Fearrington, Bahama and Schley.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3624 7893 3618 7880 3609 7881 3573 7905
      3580 7918 3582 7930 3584 7929 3585 7924
      3589 7926 3624 7907
TIME...MOT...LOC 2248Z 208DEG 26KT 3584 7917

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH

26
Special weather statement, Aug 29, 7:01 PM EDT, 1 hour 40 minutes before
Special Weather Statement
National Weather Service Raleigh NC
701 PM EDT Tue Aug 29 2023

NCZ038-039-073-074-300000-
Stanly NC-Randolph NC-Davidson NC-Montgomery NC-
701 PM EDT Tue Aug 29 2023

...A cluster of strong thunderstorm will impact portions of
southeastern Davidson, northwestern Montgomery, southwestern
Randolph and northern Stanly Counties through 800 PM EDT...

At 701 PM EDT, Doppler radar was tracking a strong thunderstorm over
Albemarle, moving north at 10 mph.

HAZARD...Winds in excess of 40 mph.

SOURCE...Radar indicated.

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

Locations impacted include...
Albemarle, Troy, Badin Lake, Seagrove, Plyler, Badin, Richfield, New
London, Eldorado and Fish Tales Marina.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Heavy rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3550 8030 3551 8018 3554 8020 3555 8021
      3558 8021 3560 8023 3558 7976 3529 7987
      3530 8043
TIME...MOT...LOC 2301Z 192DEG 7KT 3536 8015

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

NTL

The office that day

Everything else NWS Raleigh, NC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 29, 8:05 PM EDTAreal Flood AdvisoryRAHFranklin3 hr
Aug 29, 10:29 PM EDTSpecial Weather StatementRAHLee46 min
Aug 30, 11:09 AM EDTTropical Storm WarningRAHCumberland, Hoke, Sampson, Scotland24 hr
Aug 30, 6:03 PM EDTAreal Flood AdvisoryRAHFranklin, Granville, Vance, Wake, Warren2 hr
Aug 30, 6:28 PM EDTFlash Flood Warning Considerable damage threatRAHGranville, Vance, Warren90 min

Nearby

Flash Flood Warnings in North Carolina, 2023Every flash flood warning in 2023

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.