Alert archive / North Carolina / Flash Flood Warnings in 2016

Flash Flood Warning 21, NWS Raleigh, NC

August 7, 2016Stanly County, North Carolina

NWS Raleigh, NC issued this flash flood warning at Aug 7, 2016, 1:08 PM EDT for Stanly 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
Aug 7, 2016, 1:08 PM EDT (17:08 UTC)
Expired
Aug 7, 2016, 4:00 PM EDT
In force
3 hr
Issued by
NWS Raleigh, NC
Area
Storm-based polygon
Flood severity
None

County Stanly County, NC

The radar

The Columbia radar (KCAE), 163 km from the middle of the area, began a volume at 17:11 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, 5.1 hours before the alert went out and 100 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 2016-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 405 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°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 2016-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 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
405 J/kg
Mixed-layer CIN
-76 J/kg
Mixed-layer LCL
820 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
42 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

120 
WGUS52 KRAH 071708
FFWRAH
NCC167-072000-
/O.NEW.KRAH.FF.W.0021.160807T1708Z-160807T2000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
108 PM EDT SUN AUG 7 2016

THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  STANLY COUNTY IN CENTRAL NORTH CAROLINA...

* UNTIL 400 PM EDT
  
* AT 103 PM EDT...DOPPLER RADAR INDICATED NEARLY STATIONARY
  THUNDERSTORMS PRODUCING TORRENTIAL RAINFALL ACROSS THE WARNED
  AREA. UP TO TWO INCHES OF RAIN HAVE ALREADY FALLEN ALONG HIGHWAY 24
  FROM LOCUST EAST TO RED CROSS. FLASH FLOODING IS EXPECTED TO BEGIN
  SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  ALBEMARLE...PLYLER...LOCUST...NORWOOD...BADIN...OAKBORO...
  STANFIELD...MORROW MOUNTAIN STATE PARK...LAKE TILLERY AND FINGER.

THIS INCLUDES THE FOLLOWING FLOOD PRONE AREAS...TOWN CREEK AT HIGHWAY
52 AND SNUGGS PARK ROAD...BIG BEAR CREEK AT BOOGER HOLLAR ROAD...
QUEMBY MALL AND DELCO PLAZA...BIG BEAR CREEK AT BRIDGEPORT ROAD...
MEMORY CREEK AT MAIN STREET...HARDY CREEK AT MT ZION CHURCH ROAD AND
ROCKY RIVER AT HIGHWAY 52.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM THE HEAVY RAIN WILL CAUSE FLASH FLOODING OF
CREEKS AND STREAMS...ROADS...LOW LYING AND POOR DRAINAGE AREAS. DO
NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROAD. MANY
ROADS AND INTERSECTIONS IN THE AREA WILL QUICKLY FLOOD. WHEN
ENCOUNTERING FLOODED ROADS...TURN AROUND...DONT DROWN.

IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO CROSS FLOODED
ROADS. FIND AN ALTERNATE ROUTE.

&&

LAT...LON 3538 8038 3539 8007 3537 8005 3526 8010
      3518 8005 3515 8007 3519 8011 3517 8014
      3517 8016 3516 8017 3515 8016 3515 8018
      3517 8020 3516 8022 3521 8025 3520 8030
      3517 8035 3518 8037 3516 8044 3519 8050

$$

VINCENT
1 follow-up statement
068 
WGUS72 KRAH 071942
FFSRAH

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
342 PM EDT SUN AUG 7 2016

NCC167-071952-
/O.CAN.KRAH.FF.W.0021.000000T0000Z-160807T2000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
STANLY NC-
342 PM EDT SUN AUG 7 2016

...THE FLASH FLOOD WARNING FOR STANLY COUNTY IS CANCELLED...

RAIN HAS MOVED OUT OF THE AREA AND FLOODING IS NO LONGER EXPECTED TO
POSE A THREAT. PLEASE CONTINUE TO HEED ANY REMAINING ROAD CLOSURES.

LAT...LON 3538 8038 3539 8007 3537 8005 3526 8010
      3518 8005 3515 8007 3519 8011 3517 8014
      3517 8016 3516 8017 3515 8016 3515 8018
      3517 8020 3516 8022 3521 8025 3520 8030
      3517 8035 3518 8037 3516 8044 3519 8050

$$

23

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 7, 12:45 AM EDTSpecial Weather StatementRAHAlamance, Guilford, Person75 min
Aug 7, 1:53 AM EDTSpecial Weather StatementRAHGuilford67 min
Aug 7, 2:29 AM EDTAreal Flood AdvisoryRAHGuilford2 hr
Aug 7, 12:15 PM EDTSpecial Weather StatementRAHStanly45 min
Aug 7, 12:33 PM EDTSpecial Weather StatementRAHStanly42 min
Aug 7, 12:53 PM EDTAreal Flood AdvisoryRAHStanly3 hr
Aug 7, 1:12 PM EDTAreal Flood AdvisoryRAHChatham, Durham, Orange, Wake3 hr
Aug 7, 1:26 PM EDTFlash Flood WarningRAHChatham, Durham, Wake3 hr
Aug 7, 1:53 PM EDTAreal Flood AdvisoryRAHJohnston, Wayne3 hr
Aug 7, 2:48 PM EDTFlash Flood WarningRAHHarnett, Johnston, Wayne3 hr
Aug 7, 4:09 PM EDTAreal Flood AdvisoryRAHMoore2 hr
Aug 7, 4:49 PM EDTSpecial Weather StatementRAHCumberland, Hoke, Sampson41 min
Aug 7, 5:04 PM EDTSpecial Weather StatementRAHChatham41 min
Aug 7, 5:05 PM EDTAreal Flood AdvisoryRAHCumberland, Hoke, Sampson115 min
Aug 7, 5:11 PM EDTSpecial Weather StatementRAHAnson, Richmond, Scotland79 min
Aug 7, 5:18 PM EDTFlash Flood WarningRAHCumberland117 min
Aug 7, 5:33 PM EDTFlash Flood WarningRAHHoke3 hr

Nearby

Flash Flood Warnings in North Carolina, 2016Every flash flood warning in 2016

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.