Alert archive / North Carolina / Special Weather Statements in 2014

Special Weather Statement, NWS Raleigh, NC

June 20, 2014Wake County, North Carolina

NWS Raleigh, NC issued this special weather statement at Jun 20, 2014, 6:55 PM EDT for Wake County, North Carolina. It was in force for 65 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: Jun 20, 2014, 6:55 PM EDT (22:55 UTC)
Expired: Jun 20, 2014, 8:00 PM EDT
In force: 65 min
Issued by: NWS Raleigh, NC

County Wake County, NC

The radar

The Raleigh/Durham radar (KRAX), 20 km from the middle of the area, began a volume at 22:56 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, 10.9 hours before the alert went out and 122 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: 160 J/kg
Mixed-layer CIN: -109 J/kg
Mixed-layer LCL: 1171 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: -8 m²/s²
0-3 km storm-relative helicity: 36 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 Jun 20, 3:15 PM EDT, 3 hours 40 minutes earlier.

Area forecast discussion, Jun 20, 3:15 PM EDT, 3 hours 40 minutes before

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Hazardous weather outlook, Jun 20, 4:50 PM EDT, 2 hours 5 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RALEIGH NC
450 PM EDT FRI JUN 20 2014

NCZ007>011-021>028-038>043-073>078-083>086-088-089-212100-
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-
450 PM EDT FRI JUN 20 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL NORTH CAROLINA.

.DAY ONE...TONIGHT.

HAZARDOUS WEATHER IS NOT EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

NUMEROUS THUNDERSTORMS ARE EXPECTED TO DEVELOP OVER CENTRAL NORTH
CAROLINA SATURDAY... FIRST OVER THE TRIAD AND NORTHWEST PIEDMONT
BY EARLY AFTERNOON... THEN SPREADING TOWARD THE SOUTHEAST INTO THE
EASTERN PIEDMONT... SANDHILLS... AND COASTAL PLAIN DURING THE
AFTERNOON AND EVENING. A FEW STORMS COULD BECOME SEVERE...WITH A
PRIMARY THREAT OF DAMAGING WINDS. THE POTENTIAL FOR SEVERE WEATHER
WILL BE GREATEST ACROSS THE TRIANGLE...SANDHILLS AND COASTAL PLAIN
DURING THE AFTERNOON AND EVENING HOURS. IN ADDITION... TORRENTIAL
DOWNPOURS WITH THESE SLOW MOVING STORMS MAY PRODUCE LOCALIZED
FLOODING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED SATURDAY AFTERNOON AND EVENING.

GIH

In the hours before

Special weather statement, Jun 20, 4:36 PM EDT, 2 hours 19 minutes before

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Special weather statement, Jun 20, 4:52 PM EDT, 2 hours 3 minutes before

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Special weather statement, Jun 20, 4:57 PM EDT, 1 hour 58 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
457 PM EDT FRI JUN 20 2014

NCZ023-024-202200-
ORANGE-ALAMANCE-
457 PM EDT FRI JUN 20 2014

...A STRONG THUNDERSTORM WILL AFFECT PORTIONS OF ORANGE AND ALAMANCE
COUNTIES UNTIL 600 PM EDT...

AT 457 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER MEBANE...OR 7 MILES EAST OF GRAHAM...MOVING
SOUTHEAST AT 35 MPH.

WIND GUSTS UP TO 40 MPH WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
CHAPEL HILL...BURLINGTON...GRAHAM...HILLSBOROUGH...CARRBORO...
MEBANE...ELON COLLEGE...GIBSONVILLE...HAW RIVER AND SWEPSONVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEEK SHELTER IN A NEARBY BUILDING OR VEHICLE. WIND GUSTS AS HIGH AS
40 MPH ARE CAPABLE OF KNOCKING DOWN TREE LIMBS AND BLOWING AROUND
TRASH CANS...POTTED PLANTS...LAWN FURNITURE AND OTHER LIGHT OUTDOOR
OBJECTS.

LOCALLY HEAVY RAIN WILL QUICKLY REDUCE VISIBILITY AND RESULT IN
PONDING OF WATER ON ROADWAYS. DRIVERS ARE URGED TO SLOW DOWN AND USE
EXTRA CAUTION TO AVOID HYDROPLANING.

&&

LAT...LON 3624 7895 3586 7902 3588 7925 3586 7925
      3585 7924 3584 7954 3625 7953
TIME...MOT...LOC 2057Z 306DEG 29KT 3606 7926

ELLIS

Special weather statement, Jun 20, 5:45 PM EDT, 1 hour 10 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
545 PM EDT FRI JUN 20 2014

NCZ025-041-042-077-202245-
WAKE-HARNETT-JOHNSTON-DURHAM-
545 PM EDT FRI JUN 20 2014

...A CLUSTER OF STRONG THUNDERSTORMS WILL AFFECT PORTIONS OF
SOUTHERN WAKE...NORTHEASTERN HARNETT...NORTHWESTERN JOHNSTON AND
SOUTHWESTERN DURHAM COUNTIES UNTIL 645 PM EDT...

AT 543 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
CLUSTER OF STRONG THUNDERSTORMS ALONG AN ARC LINE EXTENDING FROM
NEAR DURHAM AND RDU INTERNATIONAL TO NEAR GARNER TO FUQUAY-
VARINA...AND MOVING SOUTHEAST AT 10 MPH.

HAIL UP TO THE SIZE OF PEAS AND WIND GUSTS UP TO 45 MPH WILL BE
POSSIBLE WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
RALEIGH...DURHAM...CARY...GARNER...FUQUAY-VARINA...CLAYTON...
ANGIER...RDU INTERNATIONAL...APEX AND HOLLY SPRINGS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEEK SHELTER IN A NEARBY BUILDING OR VEHICLE. WIND GUSTS AS HIGH AS
45 MPH ARE CAPABLE OF KNOCKING DOWN TREE LIMBS AND BLOWING AROUND
TRASH CANS...POTTED PLANTS...LAWN FURNITURE AND OTHER LIGHT OUTDOOR
OBJECTS.

TORRENTIAL RAINFALL WILL ALSO OCCUR WITH THESE STORMS...AND MAY LEAD
TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

&&

LAT...LON 3589 7872 3568 7837 3554 7844 3538 7869
      3558 7892 3583 7890 3600 7895
TIME...MOT...LOC 2143Z 318DEG 8KT 3590 7885 3572 7867 3559 7881

MWS

Special weather statement, Jun 20, 6:05 PM EDT, 50 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
605 PM EDT FRI JUN 20 2014

NCZ078-089-202300-
WAYNE-SAMPSON-
605 PM EDT FRI JUN 20 2014

...A STRONG THUNDERSTORM WILL AFFECT PORTIONS OF SOUTHWESTERN WAYNE
AND NORTHERN SAMPSON COUNTIES UNTIL 700 PM EDT...

AT 604 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 13 MILES SOUTHEAST OF BENSON...OR 17 MILES WEST
OF MOUNT OLIVE...MOVING SOUTHEAST AT 15 MPH.

HAIL UP TO THE SIZE OF PEAS AND WIND GUSTS UP TO 40 MPH WILL BE
POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
CLINTON...NEWTON GROVE AND HOBBTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEEK SHELTER IN A NEARBY BUILDING OR VEHICLE. WIND GUSTS AS HIGH AS
40 MPH ARE CAPABLE OF KNOCKING DOWN TREE LIMBS AND BLOWING AROUND
TRASH CANS...POTTED PLANTS...LAWN FURNITURE AND OTHER LIGHT OUTDOOR
OBJECTS.

LOCALLY HEAVY RAIN WILL QUICKLY REDUCE VISIBILITY AND RESULT IN
PONDING OF WATER ON ROADWAYS. DRIVERS ARE URGED TO SLOW DOWN AND USE
EXTRA CAUTION TO AVOID HYDROPLANING.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.

&&

LAT...LON 3519 7858 3526 7848 3526 7841 3529 7830
      3532 7828 3518 7808 3519 7816 3513 7816
      3512 7817 3509 7817 3508 7816 3505 7816
      3488 7841
TIME...MOT...LOC 2204Z 318DEG 13KT 3525 7836

ELLIS

Special weather statement, Jun 20, 6:55 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
655 PM EDT FRI JUN 20 2014

NCZ041-210000-
WAKE-
655 PM EDT FRI JUN 20 2014

...A STRONG THUNDERSTORM WILL AFFECT PORTIONS OF CENTRAL WAKE COUNTY
UNTIL 800 PM EDT...

AT 654 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR RDU INTERNATIONAL...MOVING EAST AT 10 MPH.

HEAVY RAIN WITH ASSOCIATED MINOR FLOODING...AND WIND GUSTS UP TO 45
MPH...WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
RALEIGH...CARY...WAKE FOREST...GARNER...RDU INTERNATIONAL...
MORRISVILLE...KNIGHTDALE...WILLIAM B UMSTEAD STATE PARK AND FALLS
LAKE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM. DO NOT DRIVE
YOUR VEHICLE THROUGH FLOODED ROADWAYS.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.

&&

LAT...LON 3581 7837 3571 7845 3571 7847 3567 7852
      3579 7884 3592 7879 3592 7876 3595 7872
      3596 7854
TIME...MOT...LOC 2254Z 287DEG 9KT 3586 7872

MWS

The office that day

Everything else NWS Raleigh, NC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 19, 8:27 PM EDT	Severe Thunderstorm Warning	RAH	Johnston, Sampson, Wayne	78 min
Jun 19, 10:09 PM EDT	Special Weather Statement	RAH	Scotland	21 min
Jun 19, 10:17 PM EDT	Special Weather Statement	RAH	Scotland	43 min
Jun 19, 11:31 PM EDT	Special Weather Statement	RAH	Wake	59 min
Jun 19, 11:35 PM EDT	Special Weather Statement	RAH	Harnett	40 min
Jun 19, 11:43 PM EDT	Special Weather Statement	RAH	Edgecombe	47 min
Jun 19, 11:50 PM EDT	Severe Thunderstorm Warning	RAH	Harnett, Wake	55 min
Jun 19, 11:57 PM EDT	Special Weather Statement	RAH	Cumberland	63 min
Jun 20, 12:03 AM EDT	Special Weather Statement	RAH	Johnston	57 min
Jun 20, 12:23 AM EDT	Severe Thunderstorm Warning	RAH	Johnston	52 min
Jun 20, 12:32 AM EDT	Areal Flood Advisory	RAH	Johnston	3 hr
Jun 20, 12:48 AM EDT	Special Weather Statement	RAH	Sampson	57 min
Jun 20, 1:19 AM EDT	Special Weather Statement	RAH	Wayne	56 min
Jun 20, 1:25 AM EDT	Severe Thunderstorm Warning	RAH	Wayne	65 min
Jun 20, 2:02 AM EDT	Special Weather Statement	RAH	Harnett	43 min
Jun 20, 3:01 PM EDT	Special Weather Statement	RAH	Hoke, Scotland	59 min
Jun 20, 3:35 PM EDT	Special Weather Statement	RAH	Wilson	55 min
Jun 20, 3:41 PM EDT	Severe Thunderstorm Warning	RAH	Johnston, Nash, Wilson	49 min
Jun 20, 3:47 PM EDT	Special Weather Statement	RAH	Alamance	73 min
Jun 20, 4:36 PM EDT	Special Weather Statement	RAH	Harnett, Lee	54 min
Jun 20, 4:52 PM EDT	Special Weather Statement	RAH	Wayne	53 min
Jun 20, 4:57 PM EDT	Special Weather Statement	RAH	Alamance, Orange	63 min
Jun 20, 5:45 PM EDT	Special Weather Statement	RAH	Wake	60 min
Jun 20, 6:05 PM EDT	Special Weather Statement	RAH	Sampson	55 min
Jun 20, 7:15 PM EDT	Areal Flood Advisory	RAH	Wake	2 hr

Nearby

Special Weather Statements in North Carolina, 2014 Every special weather statement 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.