Alert archive / North Carolina / Areal Flood Warnings in 2016

Areal Flood Warning 8, NWS Raleigh, NC

September 29, 20164 counties in North Carolina

NWS Raleigh, NC issued this areal flood warning at Sep 29, 2016, 10:41 PM EDT for 4 counties in North Carolina. It was in force for 24 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 29, 2016, 10:41 PM EDT (02:41 UTC)
Expired: Sep 30, 2016, 10:45 PM EDT
In force: 24 hr
Issued by: NWS Raleigh, NC
Area: Storm-based polygon
Flood severity: None

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

The radar

The Raleigh/Durham radar (KRAX), 69 km from the middle of the area, began a volume at 02:41 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 00:00Z, 2.7 hours before the alert went out and 145 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: 1097 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 743 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 101 m²/s²
0-3 km storm-relative helicity: 136 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 4.0

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 Raleigh, NC wrote its last area forecast discussion before this areal flood warning went out at Sep 29, 9:36 PM EDT, 1 hour 5 minutes earlier.

Area forecast discussion, Sep 29, 9:36 PM EDT, 1 hour 5 minutes before

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Hazardous weather outlook, Sep 29, 9:50 PM EDT, 51 minutes before

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In the hours before

Special weather statement, Sep 29, 6:48 PM EDT, 3 hours 53 minutes before

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Special weather statement, Sep 29, 8:32 PM EDT, 2 hours 9 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 29, 8:32 PM EDT	Special Weather Statement	RAH	Stanly	43 min
Sep 30, 7:53 AM EDT	Special Weather Statement	RAH	Lee	67 min
Sep 30, 7:57 AM EDT	Special Weather Statement	RAH	Guilford	63 min
Sep 30, 8:50 AM EDT	Special Weather Statement	RAH	Harnett	55 min
Sep 30, 8:51 AM EDT	Special Weather Statement	RAH	Alamance, Orange	54 min
Sep 30, 9:32 AM EDT	Severe Thunderstorm Warning	RAH	Wake	43 min
Sep 30, 10:14 AM EDT	Severe Thunderstorm Warning	RAH	Franklin, Nash, Wake	46 min
Sep 30, 10:32 AM EDT	River Flood Warning	RAH	Cumberland	35 hr
Sep 30, 11:04 AM EDT	Special Weather Statement	RAH	Franklin	56 min
Sep 30, 12:11 PM EDT	Special Weather Statement	RAH	Warren	64 min
Sep 30, 2:40 PM EDT	Special Weather Statement	RAH	Orange	65 min
Sep 30, 5:00 PM EDT	Severe Thunderstorm Warning	RAH	Harnett, Wake	34 min
Sep 30, 5:14 PM EDT	Special Weather Statement	RAH	Sampson	31 min
Sep 30, 5:36 PM EDT	Special Weather Statement	RAH	Orange	54 min
Sep 30, 5:37 PM EDT	Special Weather Statement	RAH	Johnston	38 min

Nearby

Areal Flood Warnings in North Carolina, 2016 Every areal 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.