Alert archive / North Carolina / Areal Flood Warnings in 2009

Areal Flood Warning 13, NWS Wilmington, NC

December 2, 2009Brunswick County, New Hanover County, Pender County, North Carolina

NWS Wilmington, NC issued this areal flood warning at Dec 2, 2009, 1:53 PM EST for Brunswick County, New Hanover County, Pender County, North Carolina. It was in force for 102 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: Dec 2, 2009, 1:53 PM EST (18:53 UTC)
Expired: Dec 2, 2009, 3:35 PM EST
In force: 102 min
Issued by: NWS Wilmington, NC
Area: Storm-based polygon
Flood severity: None

Counties Brunswick County, NC, New Hanover County, NC, Pender County, NC

The radar

The Wilmington radar (KLTX), 49 km from the middle of the area, began a volume at 18:56 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

Charleston AFB, SC (KCHS), launched 12:00Z, 6.9 hours before the alert went out and 239 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 438 m above ground
0-6 km bulk shear: 66 kt
0-1 km storm-relative helicity: 368 m²/s²
0-3 km storm-relative helicity: 626 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 areal flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Wilmington, NC wrote its last area forecast discussion before this areal flood warning went out at Dec 2, 12:15 PM EST, 1 hour 38 minutes earlier.

Area forecast discussion, Dec 2, 12:15 PM EST, 1 hour 38 minutes before

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Hazardous weather outlook, Dec 2, 10:06 AM EST, 3 hours 47 minutes before

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In the hours before

Local storm report, Dec 2, 8:53 AM EST, 5 hours before

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Local storm report, Dec 2, 10:49 AM EST, 3 hours 4 minutes before

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Special weather statement, Dec 2, 11:38 AM EST, 2 hours 15 minutes before

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Local storm report, Dec 2, 1:00 PM EST, 53 minutes before

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Local storm report, Dec 2, 1:16 PM EST, 37 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 2, 7:36 AM EST	Coastal Flood Advisory	ILM		2 hr
Dec 2, 12:02 PM EST	Areal Flood Advisory	ILM	Brunswick, New Hanover	73 min
Dec 2, 1:12 PM EST	Areal Flood Advisory	ILM	Brunswick, New Hanover, Pender	41 min

Nearby

Areal Flood Warnings in North Carolina, 2009 Every areal flood warning in 2009

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.