Alert archive / North Carolina / Special Weather Statements in 2011

Special Weather Statement, NWS Newport/Morehead City, NC

August 6, 2011Hyde County, North Carolina

NWS Newport/Morehead City, NC issued this special weather statement at Aug 6, 2011, 7:21 PM EDT for Hyde 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: Aug 6, 2011, 7:21 PM EDT (23:21 UTC)
Expired: Aug 6, 2011, 8:15 PM EDT
In force: 54 min
Issued by: NWS Newport/Morehead City, NC

County Hyde County, NC

The radar

The Morehead City radar (KMHX), 88 km from the middle of the area, began a volume at 23:20 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, 11.4 hours before the alert went out and 87 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: 1490 J/kg
Mixed-layer CIN: -14 J/kg
Mixed-layer LCL: 703 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: 33 m²/s²
0-3 km storm-relative helicity: 46 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

626 
WWUS82 KMHX 062321
SPSMHX

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
721 PM EDT SAT AUG 6 2011

NCZ046-081-070015-
MAINLAND HYDE-TYRRELL-
721 PM EDT SAT AUG 6 2011

...A STRONG THUNDERSTORM WILL MOVE ACROSS MAINLAND HYDE AND TYRRELL
COUNTIES THROUGH 815 PM EDT...

AT 721 PM EDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM OVER
ROSE BAY...OR ABOUT 6 MILES NORTHWEST OF SWANQUARTER...MOVING
NORTHEAST AT 10 MPH.

SOME LOCATIONS AFFECTED BY THIS STORM INCLUDE...SWINDELL 
FORK...FAIRFIELD...LAKE MATTAMUSKEET.

HAZARDS INCLUDE...
GUSTY WINDS OF 30 TO 40 MPH.
DEADLY CLOUD TO GROUND LIGHTNING.
HEAVY RAINFALL AND MINOR FLOODING.

SEEK SHELTER IN A NEARLY BUILDING OR VEHICLE. STRONG WINDS ARE
CAPABLE OF KNOCKING DOWN SMALL TREES AND BLOWING AROUND TRASH CANS...
POTTED PLANTS...LAWN FURNITURE AND OTHER LIGHT OUTDOOR OBJECTS.

&&

LAT...LON 3538 7633 3538 7635 3537 7635 3536 7639
      3537 7640 3537 7638 3540 7640 3542 7639
      3542 7641 3541 7643 3551 7651 3575 7615
      3552 7597
TIME...MOT...LOC 2321Z 237DEG 9KT 3548 7635

$$

5

The office that day

Everything else NWS Newport/Morehead City, NC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 6, 10:57 AM EDT	Rip Current Statement	MHX		9 hr
Aug 6, 11:29 AM EDT	Special Weather Statement	MHX	Onslow	61 min
Aug 6, 11:44 AM EDT	Special Weather Statement	MHX	Greene	61 min
Aug 6, 12:13 PM EDT	Tornado Warning	MHX	Greene, Pitt	19 min
Aug 6, 12:37 PM EDT	Special Weather Statement	MHX	Onslow	53 min
Aug 6, 12:54 PM EDT	Special Weather Statement	MHX	Greene, Pitt	66 min
Aug 6, 1:03 PM EDT	Special Weather Statement	MHX	Craven	57 min
Aug 6, 1:50 PM EDT	Special Weather Statement	MHX	Tyrrell	55 min
Aug 6, 2:01 PM EDT	Special Weather Statement	MHX	Beaufort	59 min
Aug 6, 3:01 PM EDT	Special Weather Statement	MHX	Greene	59 min
Aug 6, 4:00 PM EDT	Heat Advisory	MHX	Beaufort, Dare, Duplin, Greene, Hyde, Jones and 6 more	28 hr
Aug 6, 4:06 PM EDT	Small Craft Advisory	MHX		36 hr
Aug 6, 4:12 PM EDT	Special Marine Warning	MHX		48 min
Aug 6, 4:48 PM EDT	Special Weather Statement	MHX	Duplin	57 min
Aug 6, 5:11 PM EDT	Special Weather Statement	MHX	Onslow	64 min
Aug 6, 5:47 PM EDT	Special Weather Statement	MHX	Jones, Onslow	58 min
Aug 6, 6:19 PM EDT	Areal Flood Advisory	MHX	Duplin, Onslow	86 min
Aug 6, 6:29 PM EDT	Special Weather Statement	MHX	Hyde	46 min
Aug 6, 6:41 PM EDT	Areal Flood Warning	MHX	Duplin, Onslow	79 min
Aug 6, 6:44 PM EDT	Special Weather Statement	MHX	Onslow	46 min
Aug 6, 6:52 PM EDT	Special Weather Statement	MHX	Duplin	38 min

Nearby

Special Weather Statements in North Carolina, 2011 Every special weather statement in 2011

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.