Alert archive / North Carolina / Special Weather Statements in 2012

Special Weather Statement, NWS Wakefield, VA

September 6, 20127 counties in North Carolina

NWS Wakefield, VA issued this special weather statement at Sep 6, 2012, 4:04 PM EDT for 7 counties in North Carolina. It was in force for 56 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Sep 6, 2012, 4:04 PM EDT (20:04 UTC)
Expired
Sep 6, 2012, 5:00 PM EDT
In force
56 min
Issued by
NWS Wakefield, VA

Counties Bertie County, NC, Camden County, NC, Chowan County, NC, Currituck County, NC, Gates County, NC, Hertford County, NC, Pasquotank County, NC

The radar

The Norfolk radar (KAKQ), 100 km from the middle of the area, began a volume at 20:06 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, 8.1 hours before the alert went out and 165 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 12:00Z on 2012-09-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 831 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 12:00Z on 2012-09-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -19 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
831 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
833 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
-19 m²/s²
0-3 km storm-relative helicity
-21 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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The office that day

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

IssuedProductOfficeCountiesLasted
Sep 6, 8:56 AM EDTSpecial Weather StatementAKQCaroline64 min
Sep 6, 9:35 AM EDTSpecial Weather StatementAKQPrince Edward70 min
Sep 6, 9:55 AM EDTSpecial Weather StatementAKQWestmoreland35 min
Sep 6, 10:55 AM EDTSpecial Weather StatementAKQCharles City, Dinwiddie, Henrico, James City, Lunenburg, Middlesex and 6 more95 min
Sep 6, 11:55 AM EDTSpecial Weather StatementAKQCharles City, Gloucester, James City, Lancaster, Middlesex, Northumberland and 3 more65 min
Sep 6, 12:57 PM EDTSpecial Weather StatementAKQCity of Hampton, City of Newport News, City of Poquoson63 min
Sep 6, 1:14 PM EDTAreal Flood AdvisoryAKQAccomack3 hr
Sep 6, 1:37 PM EDTSpecial Weather StatementAKQCity of Chesapeake, City of Norfolk, City of Portsmouth, City of Suffolk, City of Virginia Beach68 min
Sep 6, 1:52 PM EDTSpecial Weather StatementAKQNorthampton68 min
Sep 6, 1:54 PM EDTSpecial Marine WarningAKQ51 min
Sep 6, 2:09 PM EDTSpecial Weather StatementAKQMecklenburg66 min
Sep 6, 2:16 PM EDTSpecial Marine WarningAKQ89 min
Sep 6, 2:55 PM EDTSpecial Weather StatementAKQCity of Virginia Beach65 min
Sep 6, 4:58 PM EDTSpecial Weather StatementAKQBertie, Camden, Chowan, Currituck, Pasquotank47 min
Sep 5, 9:02 PM EDTSpecial Weather StatementAKQWicomico, Worcester58 min
Sep 5, 9:54 PM EDTSpecial Weather StatementAKQWorcester51 min
Sep 6, 6:29 AM EDTSpecial Weather StatementAKQSomerset, Wicomico, Worcester46 min
Sep 6, 9:24 AM EDTAreal Flood AdvisoryAKQWorcester3 hr
Sep 6, 11:00 AM EDTSpecial Weather StatementAKQDorchester, Wicomico75 min
Sep 6, 11:34 AM EDTFlood WatchAKQDorchester, Somerset, Wicomico, Worcester5 hr
Sep 6, 12:27 PM EDTAreal Flood AdvisoryAKQDorchester, Somerset, Wicomico3 hr

Nearby

Special Weather Statements in North Carolina, 2012Every special weather statement in 2012

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.