Alert archive / North Carolina / Special Weather Statements in 2016

Special Weather Statement, NWS Raleigh, NC

May 3, 2016Sampson County, North Carolina

NWS Raleigh, NC issued this special weather statement at May 3, 2016, 4:21 AM 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: May 3, 2016, 4:21 AM EDT (08:21 UTC)
Expired: May 3, 2016, 5:15 AM EDT
In force: 54 min
Issued by: NWS Raleigh, NC

County Sampson County, NC

The radar

The Raleigh/Durham radar (KRAX), 87 km from the middle of the area, began a volume at 08:24 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 00:00Z, 8.4 hours before the alert went out and 154 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: 684 J/kg
Mixed-layer CIN: -55 J/kg
Mixed-layer LCL: 896 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 96 m²/s²
0-3 km storm-relative helicity: 78 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 2.9

Open this sounding in Storm Lab

The text

As transmitted.

748 
WWUS82 KRAH 030821
SPSRAH

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
421 AM EDT TUE MAY 3 2016
 
NCZ088-089-030915-
CUMBERLAND   NC-SAMPSON   NC-
421 AM EDT TUE MAY 3 2016

...A STRONG THUNDERSTORM WITH STRONG WIND GUSTS AND FREQUENT CLOUD
TO GROUND LIGHTNING WILL AFFECT PORTIONS OF SOUTHEASTERN CUMBERLAND
AND CENTRAL SAMPSON COUNTIES UNTIL 515 AM EDT...

AT 419 AM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR
ST. PAULS...OR 9 MILES NORTH OF LUMBERTON...MOVING NORTHEAST AT 40 MPH.

WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
CLINTON...ROSEBORO...SALEMBURG AND BUSHY LAKE NATURAL AREA. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DOPPLER RADAR HAS INDICATED WEAK ROTATION WITH THIS STORM. IF THE
STORM INTENSIFIES AND ROTATION STRENGTHENS...A WARNING MAY BE ISSUED.

THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO
STATIONS AND AVAILABLE TELEVISION STATIONS FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

&&

LAT...LON 3482 7847 3483 7846 3484 7849 3485 7850
      3485 7883 3483 7890 3485 7892 3487 7892
      3510 7838 3508 7823 3488 7822
TIME...MOT...LOC 0819Z 242DEG 36KT 3475 7895 

$$

26

The office that day

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

Issued	Product	Office	Counties	Lasted
May 2, 9:53 PM EDT	Special Weather Statement	RAH	Forsyth, Guilford	67 min
May 2, 10:18 PM EDT	Areal Flood Advisory	RAH	Forsyth	3 hr
May 2, 11:03 PM EDT	Areal Flood Advisory	RAH	Guilford	3 hr
May 3, 3:00 PM EDT	Special Weather Statement	RAH	Davidson, Forsyth	60 min
May 3, 3:42 PM EDT	Special Weather Statement	RAH	Guilford	63 min
May 3, 4:11 PM EDT	Severe Thunderstorm Warning	RAH	Alamance, Chatham, Guilford, Randolph	34 min
May 3, 4:35 PM EDT	Special Weather Statement	RAH	Montgomery	40 min
May 3, 4:36 PM EDT	Special Weather Statement	RAH	Davidson	54 min
May 3, 4:44 PM EDT	Severe Thunderstorm Warning	RAH	Alamance, Chatham, Orange	46 min
May 3, 5:20 PM EDT	Severe Thunderstorm Warning	RAH	Chatham, Durham, Orange, Wake	40 min
May 3, 5:30 PM EDT	Special Weather Statement	RAH	Anson, Davidson, Montgomery, Randolph, Stanly	60 min
May 3, 5:51 PM EDT	Severe Thunderstorm Warning	RAH	Anson, Montgomery, Richmond	39 min
May 3, 5:56 PM EDT	Severe Thunderstorm Warning	RAH	Wake	49 min
May 3, 6:31 PM EDT	Severe Thunderstorm Warning	RAH	Richmond, Scotland	44 min
May 3, 6:35 PM EDT	Special Weather Statement	RAH	Hoke	55 min
May 3, 6:35 PM EDT	Severe Thunderstorm Warning	RAH	Johnston, Wake	55 min
May 3, 7:07 PM EDT	Severe Thunderstorm Warning	RAH	Wayne, Wilson	53 min
May 3, 7:25 PM EDT	Severe Thunderstorm Warning	RAH	Cumberland, Hoke	35 min
May 3, 7:39 PM EDT	Severe Thunderstorm Warning	RAH	Davidson, Montgomery, Randolph, Stanly	66 min

Nearby

Special Weather Statements in North Carolina, 2016 Every special weather statement in 2016

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.