Alert archive / North Carolina / Flash Flood Watches in 2014

Flash Flood Watch 1, NWS Raleigh, NC

April 28, 201431 counties in North Carolina

NWS Raleigh, NC issued this flash flood watch at Apr 28, 2014, 4:01 PM EDT for 31 counties in North Carolina. It took effect at Apr 29, 2014, 6:00 PM EDT. It was in force for 24 hr.

The area

The counties it named.

The facts

Issued: Apr 28, 2014, 4:01 PM EDT (20:01 UTC)
In effect from: Apr 29, 2014, 6:00 PM EDT
Expired: Apr 30, 2014, 6:17 PM EDT
In force: 24 hr
Issued by: NWS Raleigh, NC
Flood severity: None

All 31 counties

Alamance County, NC, Anson County, NC, Chatham County, NC, Cumberland County, NC, Davidson County, NC, Durham County, NC, Edgecombe County, NC, Forsyth County, NC, Franklin County, NC, Granville County, NC, Guilford County, NC, Halifax County, NC, Harnett County, NC, Hoke County, NC, Johnston County, NC, Lee County, NC, Montgomery County, NC, Moore County, NC, Nash County, NC, Orange County, NC, Person County, NC, Randolph County, NC, Richmond County, NC, Sampson County, NC, Scotland County, NC, Stanly County, NC, Vance County, NC, Wake County, NC, Warren County, NC, Wayne County, NC, Wilson County, NC

The radar

The Raleigh/Durham radar (KRAX), 45 km from the middle of the area, began a volume at 20:01 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, 8.0 hours before the alert went out and 93 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: 864 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 206 m²/s²
0-3 km storm-relative helicity: 153 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 flash flood watch 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 flash flood watch went out at Apr 28, 3:45 PM EDT, 16 minutes earlier.

Area forecast discussion, Apr 28, 3:45 PM EDT, 16 minutes before

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Hazardous weather outlook, Apr 28, 11:29 AM EDT, 4 hours 32 minutes before

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In the hours before

Special weather statement, Apr 28, 2:28 PM EDT, 1 hour 33 minutes before

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Special weather statement, Apr 28, 2:53 PM EDT, 1 hour 8 minutes before

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Local storm report, Apr 28, 4:01 PM EDT, 0 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
Apr 28, 2:28 PM EDT	Special Weather Statement	RAH	Hoke	32 min
Apr 28, 2:39 PM EDT	Severe Thunderstorm Warning	RAH	Hoke, Moore	51 min
Apr 28, 2:53 PM EDT	Special Weather Statement	RAH	Richmond	37 min
Apr 28, 3:14 PM EDT	Severe Thunderstorm Warning	RAH	Cumberland, Hoke	61 min
Apr 28, 3:21 PM EDT	Severe Thunderstorm Warning	RAH	Richmond	39 min
Apr 28, 4:16 PM EDT	Special Weather Statement	RAH	Cumberland	29 min
Apr 28, 4:40 PM EDT	Severe Thunderstorm Warning	RAH	Cumberland, Sampson	65 min
Apr 28, 4:44 PM EDT	Special Weather Statement	RAH	Hoke	46 min
Apr 28, 5:12 PM EDT	Severe Thunderstorm Warning	RAH	Hoke, Scotland	48 min
Apr 28, 5:35 PM EDT	Special Weather Statement	RAH	Moore	40 min
Apr 28, 6:12 PM EDT	Special Weather Statement	RAH	Bladen	33 min
Apr 28, 6:50 PM EDT	Special Weather Statement	RAH	Cumberland	40 min
Apr 28, 7:21 PM EDT	Special Weather Statement	RAH	Cumberland	39 min

Nearby

Flash Flood Watches in North Carolina, 2014 Every flash flood watch in 2014

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.