Alert archive / North Carolina / Special Weather Statements in 2018

Special Weather Statement, NWS Raleigh, NC

July 25, 2018Sampson County, North Carolina

NWS Raleigh, NC issued this special weather statement at Jul 25, 2018, 5:51 PM EDT for Sampson 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 25, 2018, 5:51 PM EDT (21:51 UTC)
Expired: Jul 25, 2018, 6:45 PM EDT
In force: 54 min
Issued by: NWS Raleigh, NC

County Sampson County, NC

The radar

The Raleigh/Durham radar (KRAX), 55 km from the middle of the area, began a volume at 21:55 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, 9.9 hours before the alert went out and 177 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: 632 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 599 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 22 m²/s²
0-3 km storm-relative helicity: 13 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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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 25, 3:44 PM EDT, 2 hours 7 minutes earlier.

Area forecast discussion, Jul 25, 3:44 PM EDT, 2 hours 7 minutes before

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Hazardous weather outlook, Jul 25, 3:45 PM EDT, 2 hours 6 minutes before

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In the hours before

Special weather statement, Jul 25, 4:13 PM EDT, 1 hour 38 minutes before

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Special weather statement, Jul 25, 4:46 PM EDT, 1 hour 5 minutes before

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Special weather statement, Jul 25, 4:48 PM EDT, 1 hour 3 minutes before

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Special weather statement, Jul 25, 4:55 PM EDT, 56 minutes before

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Special weather statement, Jul 25, 5:08 PM EDT, 43 minutes before

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Special weather statement, Jul 25, 5:51 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 24, 11:55 PM EDT	Flash Flood Warning	RAH	Forsyth	3 hr
Jul 25, 1:29 AM EDT	Areal Flood Advisory	RAH	Forsyth	3 hr
Jul 25, 3:00 AM EDT	Areal Flood Advisory	RAH	Forsyth	2 hr
Jul 25, 3:35 AM EDT	Areal Flood Advisory	RAH	Guilford	99 min
Jul 25, 5:03 AM EDT	Areal Flood Advisory	RAH	Guilford	88 min
Jul 25, 12:22 PM EDT	Special Weather Statement	RAH	Davidson	53 min
Jul 25, 12:30 PM EDT	Special Weather Statement	RAH	Durham	45 min
Jul 25, 12:53 PM EDT	Special Weather Statement	RAH	Guilford	22 min
Jul 25, 1:13 PM EDT	Special Weather Statement	RAH	Guilford	62 min
Jul 25, 1:23 PM EDT	Special Weather Statement	RAH	Stanly	67 min
Jul 25, 2:12 PM EDT	Special Weather Statement	RAH	Randolph	63 min
Jul 25, 2:56 PM EDT	Special Weather Statement	RAH	Chatham	49 min
Jul 25, 3:04 PM EDT	Special Weather Statement	RAH	Lee, Moore	56 min
Jul 25, 3:37 PM EDT	Special Weather Statement	RAH	Moore	23 min
Jul 25, 3:54 PM EDT	Special Weather Statement	RAH	Harnett	51 min
Jul 25, 3:56 PM EDT	Areal Flood Advisory	RAH	Moore	67 min
Jul 25, 3:59 PM EDT	Special Weather Statement	RAH	Moore, Richmond	46 min
Jul 25, 4:10 PM EDT	Special Weather Statement	RAH	Anson	50 min
Jul 25, 4:13 PM EDT	Special Weather Statement	RAH	Wayne	62 min
Jul 25, 4:46 PM EDT	Special Weather Statement	RAH	Hoke, Richmond, Scotland	74 min
Jul 25, 4:48 PM EDT	Special Weather Statement	RAH	Johnston	57 min
Jul 25, 4:55 PM EDT	Special Weather Statement	RAH	Nash	65 min
Jul 25, 5:08 PM EDT	Special Weather Statement	RAH	Forsyth	67 min
Jul 25, 5:54 PM EDT	Special Weather Statement	RAH	Nash	66 min
Jul 25, 5:58 PM EDT	Special Weather Statement	RAH	Alamance, Guilford	62 min
Jul 25, 6:00 PM EDT	Areal Flood Advisory	RAH	Cumberland	108 min
Jul 25, 6:15 PM EDT	Special Weather Statement	RAH	Cumberland	45 min
Jul 25, 6:37 PM EDT	Special Weather Statement	RAH	Edgecombe	68 min
Jul 25, 6:57 PM EDT	Special Weather Statement	RAH	Wayne	33 min
Jul 25, 7:12 PM EDT	Special Weather Statement	RAH	Guilford	48 min

Nearby

Special Weather Statements in North Carolina, 2018 Every special weather statement in 2018

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.