Alert archive / North Carolina / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 84, NWS Wilmington, NC

September 9, 2019New Hanover County, Pender County, North Carolina

NWS Wilmington, NC issued this severe thunderstorm warning at Sep 9, 2019, 5:34 PM EDT for New Hanover County, Pender County, North Carolina. It was in force for 41 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: Sep 9, 2019, 5:34 PM EDT (21:34 UTC)
Expired: Sep 9, 2019, 6:15 PM EDT
In force: 41 min
Issued by: NWS Wilmington, NC
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties New Hanover County, NC, Pender County, NC

The radar

The Wilmington radar (KLTX), 65 km from the middle of the area, began a volume at 21:36 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, 9.6 hours before the alert went out and 103 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: 1636 J/kg
Mixed-layer CIN: -54 J/kg
Mixed-layer LCL: 842 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 45 m²/s²
0-3 km storm-relative helicity: 72 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.6

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 Wilmington, NC wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 9, 4:02 PM EDT, 1 hour 32 minutes earlier.

Area forecast discussion, Sep 9, 4:02 PM EDT, 1 hour 32 minutes before

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Hazardous weather outlook, Sep 9, 3:18 PM EDT, 2 hours 16 minutes before

Hazardous Weather Outlook
National Weather Service Wilmington NC
318 PM EDT Mon Sep 9 2019

AMZ250-252-254-256-NCZ087-096-099-105>110-SCZ017-023-024-032-033-039-
054>056-058-059-101930-
Coastal waters from Surf City to Cape Fear NC out 20 nm-
Coastal waters from Cape Fear NC to Little River Inlet SC out 20 nm-
Coastal waters from Little River Inlet to Murrells Inlet SC out
20 nm-
Coastal waters from Murrells Inlet to South Santee River SC out
20 nm-Robeson-Bladen-Columbus-Inland Pender-Coastal Pender-
Inland New Hanover-Coastal New Hanover-Inland Brunswick-
Coastal Brunswick-Marlboro-Darlington-Dillon-Florence-Marion-
Williamsburg-Coastal Horry-Inland Georgetown-Coastal Georgetown-
Central Horry-Northern Horry-
318 PM EDT Mon Sep 9 2019

This Hazardous Weather Outlook is for the adjacent Coastal Waters,
southeast North Carolina and northeast South Carolina.

.DAY ONE...This afternoon and tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Local storm report, Sep 9, 2:45 PM EDT, 2 hours 49 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON NC
245 PM EDT MON SEP 09 2019

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

0523 AM     TORNADO          3 N SUPPLY              34.06N  78.27W
09/05/2019                   BRUNSWICK          NC   NWS STORM SURVEY

            APPROXIMATELY A DOZEN PINE TREES UP TO 14 INCHES IN
            DIAMETER WERE SNAPPED, ALONG WITH A FEW SMALLER
            HARDWOODS, AT THE END OF MIDDLE RIVER RD NE. DAMAGE
            CONSISTENT WITH 85 MPH WINDS (EF-0). ADDITIONAL
            SURVEYING WILL BE CONDUCTED FURTHER WEST WHERE THE
            ROTATION APPEARED TO STRENGTHEN.

&&

EVENT NUMBER ILM1900203

CRM

Special weather statement, Sep 9, 5:09 PM EDT, 25 minutes before

Special Weather Statement
National Weather Service Wilmington NC
509 PM EDT Mon Sep 9 2019

NCZ105>108-092215-
Inland New Hanover NC-Coastal Pender NC-Inland Pender NC-
Coastal New Hanover NC-
509 PM EDT Mon Sep 9 2019

...SPECIAL WEATHER STATEMENT FOR NORTHEASTERN NEW HANOVER AND CENTRAL
PENDER COUNTIES UNTIL 615 PM EDT...

At 508 PM EDT, Doppler radar was tracking a strong thunderstorm over
Ashton, or near Burgaw, moving southeast at 20 mph.

Pea size hail and winds in excess of 30 mph will be possible with
this storm.

Locations impacted include...
Burgaw, Surf City, Figure Eight Island, Rich Inlet, Hampstead,
Topsail Beach, White Stocking, Long Creek, Cape Fear Community
College North Campus, Ashton, Rocky Point, Murrayville, Topsail,
Castle Hayne, Bayshore, Scotts Hill, Ogden, Porters Neck, Woodside
and Murray Town.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Thunderstorms can pose a variety of threats including gusty winds,
small hail, cloud to ground lightning, and localized flooding. It is
recommended that you remain indoors until the storm passes.

&&

LAT...LON 3436 7764 3435 7765 3435 7766 3423 7778
      3446 7805 3466 7783 3442 7755
TIME...MOT...LOC 2108Z 313DEG 19KT 3449 7789

MBB

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 9, 5:09 PM EDT	Special Weather Statement	ILM	Pender	66 min
Sep 9, 5:51 PM EDT	Tornado Warning	ILM	Brunswick, New Hanover, Pender	24 min
Sep 9, 6:15 PM EDT	Special Weather Statement	ILM	New Hanover	60 min
Sep 9, 6:19 PM EDT	Severe Thunderstorm Warning	ILM	Brunswick, New Hanover, Pender	26 min
Sep 9, 6:28 PM EDT	Areal Flood Advisory	ILM	New Hanover, Pender	31 min
Sep 9, 6:40 PM EDT	Special Weather Statement	ILM	Bladen	65 min
Sep 9, 6:52 PM EDT	Severe Thunderstorm Warning	ILM	Bladen	23 min
Sep 9, 7:43 PM EDT	Special Weather Statement	ILM	Bladen	62 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2019 Every severe thunderstorm warning in 2019

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.