Alert archive / North Carolina / Flash Flood Warnings in 2019

Flash Flood Warning 17, NWS Wakefield, VA

September 6, 2019Camden County, Currituck County, Pasquotank County, North Carolina

NWS Wakefield, VA issued this flash flood warning at Sep 6, 2019, 5:12 AM EDT for Camden County, Currituck County, Pasquotank County, North Carolina. It was in force for 11 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 6, 2019, 5:12 AM EDT (09:12 UTC)
Expired
Sep 6, 2019, 4:28 PM EDT
In force
11 hr
Issued by
NWS Wakefield, VA
Area
Storm-based polygon
Flood severity
None

Counties Camden County, NC, Currituck County, NC, Pasquotank County, NC

The radar

The Norfolk radar (KAKQ), 108 km from the middle of the area, began a volume at 09:14 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, 9.2 hours before the alert went out and 185 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 2019-09-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 433 joules per kilogram.LCLEL10008507005003002001001 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 2019-09-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 237 square meters per square second.193958Sfc1 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
433 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
624 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
237 m²/s²
0-3 km storm-relative helicity
233 m²/s²
Significant tornado parameter
0.4
Supercell composite
4.0

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 Wakefield, VA wrote its last area forecast discussion before this flash flood warning went out at Sep 6, 4:21 AM EDT, 51 minutes earlier.

Area forecast discussion, Sep 6, 4:21 AM EDT, 51 minutes before
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Hazardous weather outlook, Sep 6, 3:57 AM EDT, 1 hour 15 minutes before
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The office that day

Everything else NWS Wakefield, VA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 5, 9:34 PM EDTCoastal Flood WarningAKQGloucester, James City, Mathews, Middlesex, Northampton, Surry and 5 more26 hr
Sep 6, 9:29 AM EDTFlash Flood WarningAKQCity of Chesapeake, City of Norfolk, City of Portsmouth, City of Virginia Beach6 hr
Sep 6, 9:58 AM EDTCoastal Flood AdvisoryAKQAccomack, Gloucester, James City, Lancaster, Mathews, Middlesex and 10 more38 hr
Sep 6, 3:29 PM EDTAreal Flood WarningAKQCity of Chesapeake, City of Norfolk, City of Portsmouth, City of Virginia Beach6 hr
Sep 6, 5:16 PM EDTSmall Craft AdvisoryAKQ32 hr
Sep 6, 5:51 PM EDTBeach Hazards StatementAKQAccomack, Northampton, City of Virginia Beach23 hr
Sep 6, 5:51 PM EDTRip Current StatementAKQAccomack, Northampton, City of Virginia Beach23 hr
Sep 5, 11:32 PM EDTTornado WarningAKQChowan, Perquimans17 min
Sep 6, 12:35 AM EDTTornado WarningAKQChowan, Gates, Pasquotank, Perquimans25 min
Sep 6, 12:48 AM EDTFlash Flood WarningAKQBertie, Chowan, Perquimans10 hr
Sep 6, 12:50 AM EDTTornado Warning Tornado observedAKQBertie, Chowan, Hertford, Perquimans25 min
Sep 6, 3:17 AM EDTFlash Flood WarningAKQBertie, Camden, Chowan, Gates, Hertford, Pasquotank and 1 more13 hr
Sep 6, 5:46 AM EDTRiver Flood WarningAKQBertie9 hr
Sep 6, 10:40 AM EDTAreal Flood WarningAKQBertie, Chowan, Perquimans6 hr
Sep 6, 4:24 PM EDTAreal Flood WarningAKQCamden, Chowan, Currituck, Pasquotank, Perquimans6 hr

Nearby

Flash Flood Warnings in North Carolina, 2019Every flash flood warning in 2019

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.