Alert archive / North Carolina / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 158, NWS Raleigh, NC

July 13, 2015Cumberland County, Sampson County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Jul 13, 2015, 12:46 PM EDT for Cumberland County, Sampson County, North Carolina. It was in force for 59 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 13, 2015, 12:46 PM EDT (16:46 UTC)
Expired: Jul 13, 2015, 1:45 PM EDT
In force: 59 min
Issued by: NWS Raleigh, NC
Area: Storm-based polygon

Counties Cumberland County, NC, Sampson County, NC

The radar

The Raleigh/Durham radar (KRAX), 72 km from the middle of the area, began a volume at 16:45 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, 4.8 hours before the alert went out and 159 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: 876 J/kg
Mixed-layer CIN: -21 J/kg
Mixed-layer LCL: 892 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 83 m²/s²
0-3 km storm-relative helicity: 89 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Jul 13, 11:40 AM EDT, 1 hour 6 minutes earlier.

Area forecast discussion, Jul 13, 11:40 AM EDT, 1 hour 6 minutes before

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Hazardous weather outlook, Jul 13, 9:59 AM EDT, 2 hours 47 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE RALEIGH NC
959 AM EDT MON JUL 13 2015

NCZ007>011-021>028-038>043-073>078-083>086-088-089-141000-
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-
959 AM EDT MON JUL 13 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL NORTH CAROLINA.

.DAY ONE...TODAY AND TONIGHT.

ISOLATED STRONG TO SEVERE STORMS ARE POSSIBLE THIS EVENING INTO
THE OVERNIGHT HOURS. THE MAIN SEVERE WEATHER HAZARDS WILL BE
LOCALLY DAMAGING WINDS...TORRENTIAL DOWNPOURS WHICH MAY LEAD TO
LOCALIZED FLOODING...AND FREQUENT LIGHTNING STRIKES.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

THERE IS THE POTENTIAL FOR WIDESPREAD STRONG TO SEVERE
THUNDERSTORMS ACROSS CENTRAL NORTH CAROLINA TUESDAY AFTERNOON
THROUGH WEDNESDAY MORNING AS AN UNSEASONABLY STRONG UPPER LEVEL
TROUGH APPROACHES THE REGION. THE NEAR STORM ENVIRONMENT IS
FORECAST TO BE FAVORABLE FOR LARGE HAIL AND DAMAGING THUNDERSTORM
WIND GUSTS. A BRIEF TORNADO OR TWO IS ALSO POSSIBLE.

ANYONE WITH OUTDOOR PLANS OR ACTIVITIES TUESDAY AND WEDNESDAY ARE
STRONGLY ENCOURAGE TO MONITOR THE LATEST FORECASTS AND WEATHER
CONDITIONS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED LATE TUESDAY THROUGH WEDNESDAY
MORNING.

In the hours before

Local storm report, Jul 13, 7:53 AM EDT, 4 hours 53 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
753 AM EDT MON JUL 13 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0729 AM     TSTM WND DMG     3 SE GARNER             35.66N  78.60W
07/13/2015                   WAKE               NC   TRAINED SPOTTER

            TREE DOWN ON HOUSE

&&

EVENT NUMBER RAH1500884

TCC

Special weather statement, Jul 13, 7:59 AM EDT, 4 hours 47 minutes before

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Local storm report, Jul 13, 8:04 AM EDT, 4 hours 42 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
804 AM EDT MON JUL 13 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0740 AM     LIGHTNING        4 SE GARNER             35.66N  78.57W
07/13/2015                   WAKE               NC   TRAINED SPOTTER

            BARN STRUCK BY LIGHTNING. BARN WAS COMPLETELY ENGULFED
            IN FLAMES.

&&

EVENT NUMBER RAH1500885

CBL

Special weather statement, Jul 13, 8:14 AM EDT, 4 hours 32 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
814 AM EDT MON JUL 13 2015

NCZ042-077-078-088-089-131315-
JOHNSTON NC-CUMBERLAND NC-WAYNE NC-HARNETT NC-SAMPSON NC-
814 AM EDT MON JUL 13 2015

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT PORTIONS OF SOUTHERN
JOHNSTON...NORTHERN CUMBERLAND...WAYNE...SOUTHEASTERN HARNETT AND
NORTHERN SAMPSON COUNTIES UNTIL 915 AM EDT...

AT 813 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 8 MILES EAST
OF SMITHFIELD TO BENSON TO 8 MILES WEST OF GODWIN...AND MOVING EAST
AT 20 MPH.

WIND GUSTS UP TO 45 MPH WILL BE POSSIBLE WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
FAYETTEVILLE...GOLDSBORO...DUNN...BENSON...GODWIN...SPRING LAKE...
ERWIN...FOUR OAKS...PINE LEVEL AND PRINCETON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEEK SHELTER IN A NEARBY BUILDING OR VEHICLE. WIND GUSTS OF THIS
MAGNITUDE ARE CAPABLE OF KNOCKING DOWN SMALL OR WEAKENED TREES AND
BLOWING AROUND TRASH CANS...POTTED PLANTS...LAWN FURNITURE AND OTHER
LIGHT OUTDOOR OBJECTS.

IN ADDITION...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.

LASTLY...FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THESE
STORMS. TAKE SHELTER INDOORS IMMEDIATELY. IF YOU CANNOT FIND SHELTER
INDOORS...AN ENCLOSED VEHICLE CAN PROVIDE SAFE SHELTER FROM
LIGHTNING. DEADLY LIGHTNING STRIKES CAN OCCUR WELL AHEAD OF AN
APPROACHING STORM...PRIOR TO THE ARRIVAL OF RAIN AND WIND.

&&

LAT...LON 3532 7792 3519 7815 3519 7816 3517 7817
      3506 7836 3516 7898 3539 7860 3553 7818
      3553 7782 3543 7783 3541 7781
TIME...MOT...LOC 1213Z 282DEG 19KT 3550 7819 3539 7853 3520 7883

26

Special weather statement, Jul 13, 10:19 AM EDT, 2 hours 27 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
1019 AM EDT MON JUL 13 2015

NCZ042-078-089-131515-
JOHNSTON NC-WAYNE NC-SAMPSON NC-
1019 AM EDT MON JUL 13 2015

...A STRONG THUNDERSTORM WILL AFFECT PORTIONS OF SOUTH CENTRAL
JOHNSTON...SOUTHERN WAYNE AND NORTHEASTERN SAMPSON COUNTIES UNTIL
1115 AM EDT...

AT 1017 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 8 MILES SOUTHEAST OF BENSON...OR 12 MILES SOUTH
OF SMITHFIELD...MOVING SOUTHEAST AT 25 MPH.

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

LOCATIONS IMPACTED INCLUDE...
MOUNT OLIVE...NEWTON GROVE...BROGDEN...GRANTHAM...CLIFFS OF THE NEUSE
STATE PARK 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...AND OTHER LIGHT UNSECURED OUTDOOR OBJECTS.

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND WILL
LEAD TO EXCESSIVE PONDING OF WATER ON THE ROADS. MOTORISTS WILL NEED
TO REDUCE THEIR SPEED TO DECREASE THE RISK OF HYDROPLANING.

&&

LAT...LON 3516 7791 3517 7793 3516 7796 3517 7797
      3518 7799 3519 7802 3519 7804 3518 7807
      3519 7816 3510 7817 3528 7853 3539 7833
      3525 7785
TIME...MOT...LOC 1417Z 296DEG 20KT 3533 7840

WSS

Special weather statement, Jul 13, 11:21 AM EDT, 1 hour 25 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
1121 AM EDT MON JUL 13 2015

NCZ078-089-131545-
WAYNE NC-SAMPSON NC-
1121 AM EDT MON JUL 13 2015

...A STRONG THUNDERSTORM WILL AFFECT PORTIONS OF SOUTHWESTERN WAYNE
AND NORTHEASTERN SAMPSON COUNTIES UNTIL 1145 AM EDT...

AT 1118 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR MOUNT OLIVE...MOVING SOUTHEAST AT 25 MPH.

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

LOCATIONS IMPACTED INCLUDE...
MOUNT OLIVE.

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...AND OTHER LIGHT UNSECURED OUTDOOR OBJECTS.

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND WILL
CAUSE SIDE DITCHES TO QUICKLY FILL WITH WATER. MOTORISTS WILL NEED
TO SLOW DOWN TO REDUCE THE RISK OF HYDROPLANING.

&&

LAT...LON 3515 7790 3517 7793 3516 7796 3517 7797
      3518 7799 3519 7802 3519 7804 3518 7807
      3519 7816 3509 7817 3508 7816 3506 7816
      3514 7830 3525 7820 3517 7786
TIME...MOT...LOC 1518Z 299DEG 21KT 3519 7817

WSS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 13, 6:00 AM EDT	Special Weather Statement	RAH	Wake	60 min
Jul 13, 6:19 AM EDT	Special Weather Statement	RAH	Wake	56 min
Jul 13, 6:53 AM EDT	Special Weather Statement	RAH	Johnston	52 min
Jul 13, 7:04 AM EDT	Special Weather Statement	RAH	Harnett	56 min
Jul 13, 7:21 AM EDT	Severe Thunderstorm Warning	RAH	Harnett, Johnston, Wake	54 min
Jul 13, 7:59 AM EDT	Special Weather Statement	RAH	Wayne	46 min
Jul 13, 8:14 AM EDT	Special Weather Statement	RAH	Wayne	61 min
Jul 13, 10:19 AM EDT	Special Weather Statement	RAH	Wayne	56 min
Jul 13, 11:21 AM EDT	Special Weather Statement	RAH	Wayne	24 min
Jul 13, 11:45 AM EDT	Tornado Warning	RAH	Sampson	45 min
Jul 13, 2:18 PM EDT	Special Weather Statement	RAH	Cumberland	57 min
Jul 13, 2:20 PM EDT	Special Weather Statement	RAH	Hoke	55 min
Jul 13, 2:44 PM EDT	Areal Flood Advisory	RAH	Cumberland	2 hr
Jul 13, 2:58 PM EDT	Special Weather Statement	RAH	Harnett	62 min
Jul 13, 6:03 PM EDT	Special Weather Statement	RAH	Davidson	42 min
Jul 13, 6:30 PM EDT	Special Weather Statement	RAH	Stanly	45 min
Jul 13, 6:38 PM EDT	Areal Flood Advisory	RAH	Davidson	3 hr
Jul 13, 7:18 PM EDT	Special Weather Statement	RAH	Alamance, Forsyth, Guilford	57 min
Jul 13, 7:27 PM EDT	Severe Thunderstorm Warning	RAH	Montgomery, Moore, Randolph	63 min
Jul 13, 7:46 PM EDT	Severe Thunderstorm Warning	RAH	Forsyth	59 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2015 Every severe thunderstorm warning in 2015

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.