Alert archive / North Carolina / Special Weather Statements in 2012

Special Weather Statement, NWS Raleigh, NC

April 4, 2012Edgecombe County, North Carolina

NWS Raleigh, NC issued this special weather statement at Apr 4, 2012, 7:46 AM EDT for Edgecombe County, North Carolina. It was in force for 29 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: Apr 4, 2012, 7:46 AM EDT (11:46 UTC)
Expired: Apr 4, 2012, 8:15 AM EDT
In force: 29 min
Issued by: NWS Raleigh, NC

County Edgecombe County, NC

The radar

The Norfolk radar (KAKQ), 102 km from the middle of the area, began a volume at 11:49 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

Roanoke, VA (KRNK), launched 00:00Z, 11.8 hours before the alert went out and 231 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: 206 J/kg
Mixed-layer CIN: -70 J/kg
Mixed-layer LCL: 1103 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 33 m²/s²
0-3 km storm-relative helicity: 76 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

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 Apr 4, 6:42 AM EDT, 1 hour 4 minutes earlier.

Area forecast discussion, Apr 4, 6:42 AM EDT, 1 hour 4 minutes before

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Hazardous weather outlook, Apr 4, 4:13 AM EDT, 3 hours 33 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RALEIGH NC
413 AM EDT WED APR 4 2012

NCZ007>011-021>028-038>043-073>078-083>086-088-089-050815-
PERSON-GRANVILLE-VANCE-WARREN-HALIFAX-FORSYTH-GUILFORD-ALAMANCE-
ORANGE-DURHAM-FRANKLIN-NASH-EDGECOMBE-DAVIDSON-RANDOLPH-CHATHAM-WAKE-
JOHNSTON-WILSON-STANLY-MONTGOMERY-MOORE-LEE-HARNETT-WAYNE-ANSON-
RICHMOND-SCOTLAND-HOKE-CUMBERLAND-SAMPSON-
413 AM EDT WED APR 4 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL NORTH CAROLINA.

.DAY ONE...TODAY AND TONIGHT.

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS CENTRAL
NORTH CAROLINA THIS AFTERNOON AND EVENING. SCATTERED SHOWERS AND
THUNDERSTORMS ARE EXPECTED TO DEVELOP BY MID TO LATE AFTERNOON IN
ADVANCE OF A STRONG COLD FRONT APPROACHING THE AREA FROM THE
NORTH. ANY STORMS THAT DEVELOP WILL HAVE THE POTENTIAL TO BECOME
SEVERE...WITH A PRIMARY THREAT OF DAMAGING WINDS. THE THREAT FOR
SEVERE WEATHER APPEARS GREATEST BETWEEN 3 PM THIS AFTERNOON AND 10
PM THIS EVENING.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

HAZARDOUS WEATHER IS NOT EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND
EVENING. SPOTTERS SHOULD MONITOR THE LATEST CONVECTIVE OUTLOOKS
AND DISCUSSIONS FROM THE STORM PREDICTION CENTER AS THE DAY
PROGRESSES...AND REPORT ANY SEVERE WEATHER IMMEDIATELY TO THE
NATIONAL WEATHER SERVICE.

VINCENT

In the hours before

Special weather statement, Apr 4, 7:21 AM EDT, 25 minutes before

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Special weather statement, Apr 4, 7:46 AM 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 3, 8:48 PM EDT	Special Weather Statement	RAH	Davidson, Guilford, Randolph	57 min
Apr 3, 11:16 PM EDT	Special Weather Statement	RAH	Anson	29 min
Apr 3, 11:46 PM EDT	Special Weather Statement	RAH	Anson, Richmond	59 min
Apr 4, 12:37 AM EDT	Special Weather Statement	RAH	Richmond, Scotland	38 min
Apr 4, 2:17 PM EDT	Special Weather Statement	RAH	Person	43 min
Apr 4, 2:32 PM EDT	Special Weather Statement	RAH	Forsyth	58 min
Apr 4, 3:04 PM EDT	Special Weather Statement	RAH	Alamance, Orange	56 min
Apr 4, 3:30 PM EDT	Special Weather Statement	RAH	Franklin, Vance, Warren	60 min
Apr 4, 3:31 PM EDT	Special Weather Statement	RAH	Guilford	59 min
Apr 4, 4:03 PM EDT	Special Weather Statement	RAH	Orange	57 min
Apr 4, 4:18 PM EDT	Special Weather Statement	RAH	Edgecombe, Nash	57 min
Apr 4, 4:23 PM EDT	Special Weather Statement	RAH	Halifax	67 min
Apr 4, 4:30 PM EDT	Special Weather Statement	RAH	Alamance, Orange	60 min
Apr 4, 4:36 PM EDT	Special Weather Statement	RAH	Chatham	24 min
Apr 4, 4:39 PM EDT	Special Weather Statement	RAH	Franklin	66 min
Apr 4, 5:11 PM EDT	Special Weather Statement	RAH	Randolph	64 min
Apr 4, 5:28 PM EDT	Special Weather Statement	RAH	Nash, Wilson	62 min
Apr 4, 6:14 PM EDT	Severe Thunderstorm Warning	RAH	Edgecombe, Wilson	31 min
Apr 4, 7:30 PM EDT	Special Weather Statement	RAH	Cumberland, Sampson	60 min

Nearby

Special Weather Statements in North Carolina, 2012 Every special weather statement in 2012

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.