Alert archive / North Carolina / Flash Flood Warnings in 2021

Flash Flood Warning 12, NWS Raleigh, NC

July 19, 2021Cumberland County, Hoke County, Sampson County, North Carolina

NWS Raleigh, NC issued this flash flood warning at Jul 19, 2021, 5:28 PM EDT for Cumberland County, Hoke County, Sampson County, North Carolina. It was in force for 3 hr. 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 19, 2021, 5:28 PM EDT (21:28 UTC)
Expired: Jul 19, 2021, 8:30 PM EDT
In force: 3 hr
Issued by: NWS Raleigh, NC
Area: Storm-based polygon
Damage threat: Considerable
Flood severity: None

Counties Cumberland County, NC, Hoke County, NC, Sampson County, NC

The radar

The Raleigh/Durham radar (KRAX), 84 km from the middle of the area, began a volume at 21:30 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 12:00Z, 9.5 hours before the alert went out and 162 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: 207 J/kg
Mixed-layer CIN: -80 J/kg
Mixed-layer LCL: 741 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 0 m²/s²
0-3 km storm-relative helicity: 62 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

Open this sounding in Storm Lab

The text

As transmitted.

123 
WGUS52 KRAH 192128
FFWRAH
NCC051-093-163-200030-
/O.NEW.KRAH.FF.W.0012.210719T2128Z-210720T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Raleigh NC
528 PM EDT Mon Jul 19 2021

The National Weather Service in Raleigh has issued a

* Flash Flood Warning for...
  Southern Cumberland County in central North Carolina...
  East Central Hoke County in central North Carolina...
  Central Sampson County in central North Carolina...

* Until 830 PM EDT.

* At 528 PM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 2 and 3 inches of rain 
  have fallen. Additional rainfall amounts of 1 to 2 inches are 
  possible in the warned area. Flash flooding is ongoing or expected 
  to begin shortly.

  HAZARD...Life threatening flash flooding. Thunderstorms
           producing flash flooding.

  SOURCE...Radar.

  IMPACT...Life threatening flash flooding of creeks and streams,
           urban areas, highways, streets and underpasses.

* Some locations that will experience flash flooding include...
  Fayetteville, Clinton, Hope Mills, Roseboro, Stedman, Garland, 
  Salemburg, Turkey, Autryville, Bushy Lake Natural Area, Cedar 
  Creek, Vander and Rockfish.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Be aware of your surroundings and do not drive on flooded roads.

&&

LAT...LON 3493 7907 3499 7912 3515 7816 3509 7817
      3490 7815 3477 7819 3477 7841 3486 7850
      3483 7890 3490 7894 3495 7903

FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

GIH

1 follow-up statement

606 
WGUS72 KRAH 200033
FFSRAH

Flash Flood Statement
National Weather Service Raleigh NC
833 PM EDT Mon Jul 19 2021

NCC051-163-200043-
/O.EXP.KRAH.FF.W.0012.000000T0000Z-210720T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cumberland NC-Sampson NC-
833 PM EDT Mon Jul 19 2021

...FLASH FLOOD WARNING HAS EXPIRED FOR SOUTHERN CUMBERLAND AND 
CENTRAL SAMPSON COUNTIES...

The heavy rain has ended. Flooding is no longer expected to pose a 
threat. Please continue to heed remaining road closures.

LAT...LON 3500 7906 3515 7816 3509 7817 3490 7815
      3477 7819 3477 7841 3486 7850 3485 7884
      3483 7890 3489 7893 3495 7903

$$

7

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 18, 8:33 PM EDT	Special Weather Statement	RAH	Chatham, Randolph	57 min
Jul 18, 8:42 PM EDT	Areal Flood Advisory	RAH	Chatham, Montgomery, Moore, Randolph	3 hr
Jul 18, 8:46 PM EDT	Special Weather Statement	RAH	Edgecombe, Halifax, Nash	59 min
Jul 18, 8:54 PM EDT	Special Weather Statement	RAH	Durham	36 min
Jul 18, 10:20 PM EDT	Areal Flood Advisory	RAH	Davidson, Montgomery, Randolph, Stanly	3 hr
Jul 18, 11:19 PM EDT	Areal Flood Advisory	RAH	Granville, Person, Vance, Warren	3 hr
Jul 19, 6:26 AM EDT	Areal Flood Advisory	RAH	Forsyth, Guilford	3 hr
Jul 19, 9:56 AM EDT	Areal Flood Advisory	RAH	Alamance, Guilford, Orange	3 hr
Jul 19, 10:53 AM EDT	Areal Flood Advisory	RAH	Durham, Orange	3 hr
Jul 19, 12:19 PM EDT	Areal Flood Advisory	RAH	Alamance, Chatham, Durham, Franklin, Granville, Orange and 2 more	3 hr
Jul 19, 1:57 PM EDT	Areal Flood Advisory	RAH	Cumberland, Harnett, Johnston	3 hr
Jul 19, 3:28 PM EDT	Areal Flood Advisory	RAH	Cumberland, Harnett, Johnston, Sampson, Wayne	3 hr
Jul 19, 4:49 PM EDT	Areal Flood Advisory	RAH	Cumberland, Sampson, Wayne	85 min
Jul 19, 5:12 PM EDT	Special Weather Statement	RAH	Wayne	48 min

Nearby

Flash Flood Warnings in North Carolina, 2021 Every flash flood warning 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.