Alert archive / North Carolina / Special Weather Statements in 2012

Special Weather Statement, NWS Raleigh, NC

January 27, 2012Franklin County, Wake County, North Carolina

NWS Raleigh, NC issued this special weather statement at Jan 27, 2012, 11:32 AM EST for Franklin County, Wake County, North Carolina. It was in force for 58 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: Jan 27, 2012, 11:32 AM EST (16:32 UTC)
Expired: Jan 27, 2012, 12:30 PM EST
In force: 58 min
Issued by: NWS Raleigh, NC

Counties Franklin County, NC, Wake County, NC

The radar

The Raleigh/Durham radar (KRAX), 20 km from the middle of the area, began a volume at 16:34 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 12:00Z, 4.5 hours before the alert went out and 175 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: 952 m above ground
0-6 km bulk shear: 95 kt
0-1 km storm-relative helicity: -198 m²/s²
0-3 km storm-relative helicity: 160 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 Jan 27, 9:17 AM EST, 2 hours 15 minutes earlier.

Area forecast discussion, Jan 27, 9:17 AM EST, 2 hours 15 minutes before

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Hazardous weather outlook, Jan 27, 9:20 AM EST, 2 hours 12 minutes before

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In the hours before

Special weather statement, Jan 27, 6:02 AM EST, 5 hours 30 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
602 AM EST FRI JAN 27 2012

NCZ007-008-023>025-039>041-073>076-083-084-271215-
ALAMANCE-ANSON-CHATHAM-DURHAM-GRANVILLE-LEE-MONTGOMERY-MOORE-ORANGE-
PERSON-RANDOLPH-RICHMOND-STANLY-WAKE-
602 AM EST FRI JAN 27 2012

...A LINE OF SHOWERS WITH BRIEF HEAVY RAIN AND GUSTY WIND WILL MOVE
THROUGH THE SANDHILLS AND EASTERN PIEDMONT...

AT 600 AM EST... NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
SHOWERS WITH HEAVY RAIN AND BRIEF GUSTY WINDS TO 40 MPH. THIS LINE
EXTENDED FROM ROCKINGHAM NORTHEAST THROUGH ROBBINS... PITTSBORO...
HILLSBOROUGH... AND ROXBORO. THE HEAVIEST RAIN WAS FALLING FROM NEAR
PITTSBORO... AND CARTHAGE. THE LINE OF SHOWERS WAS MOVING TO THE
NORTHEAST AT 45 MPH.

THE LINE WILL MOVE THROUGH MOORE... LEE... CHATHAM... DURHAM...
ORANGE... PERSON... GRANVILLE... AND NORTHWEST WAKE COUNTIES THROUGH
700 AM.

HAZARDS INCLUDE...

BRIEF HEAVY RAIN FOR 20 MINUTES.

GUSTY WIND TO 40 MPH.

CLOUD TO GROUND LIGHTNING IS POSSIBLE.

MOTORISTS SHOULD BE ALERT FOR MINOR FLOODING AND PONDING ON ROADS.

&&

LAT...LON 3613 7852 3480 8006 3480 8011 3532 8013
      3636 7898
TIME...MOT...LOC 1020Z 236DEG 40KT 3530 7997

BADGETT

Special weather statement, Jan 27, 6:45 AM EST, 4 hours 47 minutes before

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Special weather statement, Jan 27, 7:31 AM EST, 4 hours 1 minute before

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Special weather statement, Jan 27, 8:30 AM EST, 3 hours 2 minutes before

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Special weather statement, Jan 27, 11:32 AM EST, 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
Jan 27, 5:25 AM EST	Special Weather Statement	RAH	Anson, Chatham, Durham, Montgomery, Moore, Orange	50 min
Jan 27, 6:02 AM EST	Special Weather Statement	RAH	Anson, Chatham, Durham, Montgomery, Moore, Orange	73 min
Jan 27, 6:45 AM EST	Special Weather Statement	RAH	Durham, Franklin, Granville, Harnett, Johnston, Lee and 3 more	60 min
Jan 27, 7:31 AM EST	Special Weather Statement	RAH	Edgecombe, Franklin, Halifax, Harnett, Johnston, Nash and 5 more	59 min
Jan 27, 8:30 AM EST	Special Weather Statement	RAH	Edgecombe, Halifax, Wayne, Wilson	60 min
Jan 27, 12:27 PM EST	Special Weather Statement	RAH	Edgecombe, Nash, Wilson	63 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.