Alert archive / North Carolina / Special Weather Statements in 2011

Special Weather Statement, NWS Raleigh, NC

July 31, 2011Edgecombe County, North Carolina

NWS Raleigh, NC issued this special weather statement at Jul 31, 2011, 1:51 PM EDT for Edgecombe County, North Carolina. It was in force for 54 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: Jul 31, 2011, 1:51 PM EDT (17:51 UTC)
Expired: Jul 31, 2011, 2:45 PM EDT
In force: 54 min
Issued by: NWS Raleigh, NC

County Edgecombe County, NC

The radar

The Raleigh/Durham radar (KRAX), 84 km from the middle of the area, began a volume at 17:50 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, 5.9 hours before the alert went out and 143 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: 1842 J/kg
Mixed-layer CIN: -56 J/kg
Mixed-layer LCL: 1006 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 3 m²/s²
0-3 km storm-relative helicity: 24 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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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Jul 31, 10:23 AM EDT, 3 hours 28 minutes earlier.

Area forecast discussion, Jul 31, 10:23 AM EDT, 3 hours 28 minutes before

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Hazardous weather outlook, Jul 31, 4:53 AM EDT, 8 hours 58 minutes before

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In the hours before

Special weather statement, Jul 31, 12:28 PM EDT, 1 hour 23 minutes before

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Special weather statement, Jul 31, 1:00 PM EDT, 51 minutes before

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Special weather statement, Jul 31, 1:12 PM EDT, 39 minutes before

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Special weather statement, Jul 31, 1:37 PM EDT, 14 minutes before

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Special weather statement, Jul 31, 1:41 PM EDT, 10 minutes before

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Special weather statement, Jul 31, 1:51 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
Jul 30, 8:08 PM EDT	Areal Flood Advisory	RAH	Durham, Granville, Wake	3 hr
Jul 30, 8:41 PM EDT	Special Weather Statement	RAH	Granville	64 min
Jul 30, 8:46 PM EDT	Severe Thunderstorm Warning	RAH	Wake	44 min
Jul 30, 8:56 PM EDT	Areal Flood Advisory	RAH	Granville	110 min
Jul 30, 9:39 PM EDT	Areal Flood Advisory	RAH	Franklin, Wake	117 min
Jul 30, 10:17 PM EDT	Special Weather Statement	RAH	Wake	58 min
Jul 30, 10:29 PM EDT	Areal Flood Advisory	RAH	Wake	68 min
Jul 31, 3:14 AM EDT	Areal Flood Advisory	RAH	Stanly	2 hr
Jul 31, 9:56 AM EDT	Special Weather Statement	RAH	Anson	49 min
Jul 31, 11:28 AM EDT	Areal Flood Advisory	RAH	Anson	2 hr
Jul 31, 12:14 PM EDT	Areal Flood Advisory	RAH	Anson, Montgomery, Richmond, Stanly	3 hr
Jul 31, 12:16 PM EDT	Special Weather Statement	RAH	Wake	59 min
Jul 31, 12:20 PM EDT	Special Weather Statement	RAH	Richmond, Scotland	55 min
Jul 31, 12:28 PM EDT	Special Weather Statement	RAH	Nash	62 min
Jul 31, 1:00 PM EDT	Special Weather Statement	RAH	Nash	45 min
Jul 31, 1:12 PM EDT	Special Weather Statement	RAH	Johnston	48 min
Jul 31, 1:15 PM EDT	Flash Flood Warning	RAH	Anson	111 min
Jul 31, 1:37 PM EDT	Special Weather Statement	RAH	Wilson	38 min
Jul 31, 1:41 PM EDT	Special Weather Statement	RAH	Nash	49 min
Jul 31, 1:57 PM EDT	Special Weather Statement	RAH	Chatham	63 min
Jul 31, 2:10 PM EDT	Special Weather Statement	RAH	Franklin	65 min
Jul 31, 2:26 PM EDT	Special Weather Statement	RAH	Harnett	49 min
Jul 31, 2:36 PM EDT	Areal Flood Advisory	RAH	Alamance, Orange	3 hr
Jul 31, 3:29 PM EDT	Areal Flood Advisory	RAH	Durham, Wake	3 hr
Jul 31, 3:36 PM EDT	Special Weather Statement	RAH	Johnston	39 min
Jul 31, 4:25 PM EDT	Special Weather Statement	RAH	Forsyth	65 min
Jul 31, 5:07 PM EDT	Special Weather Statement	RAH	Davidson, Forsyth	53 min
Jul 31, 5:17 PM EDT	Severe Thunderstorm Warning	RAH	Davidson, Randolph	58 min
Jul 31, 5:20 PM EDT	Areal Flood Advisory	RAH	Davidson, Forsyth	100 min
Jul 31, 6:05 PM EDT	Severe Thunderstorm Warning	RAH	Davidson, Randolph	40 min
Jul 31, 6:28 PM EDT	Special Weather Statement	RAH	Montgomery, Stanly	62 min
Jul 31, 6:47 PM EDT	Severe Thunderstorm Warning	RAH	Montgomery, Stanly	43 min
Jul 31, 7:08 PM EDT	Areal Flood Advisory	RAH	Montgomery, Stanly	74 min
Jul 31, 7:21 PM EDT	Severe Thunderstorm Warning	RAH	Anson, Montgomery, Richmond	54 min

Nearby

Special Weather Statements in North Carolina, 2011 Every special weather statement in 2011

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.