Alert archive / North Carolina / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 37, NWS Newport/Morehead City, NC

July 11, 2015Tyrrell County, North Carolina

NWS Newport/Morehead City, NC issued this severe thunderstorm warning at Jul 11, 2015, 2:40 PM EDT for Tyrrell 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 counties it named.

The facts

Issued
Jul 11, 2015, 2:40 PM EDT (18:40 UTC)
Expired
Jul 11, 2015, 3:45 PM EDT
In force
65 min
Issued by
NWS Newport/Morehead City, NC
Area
Storm-based polygon

County Tyrrell County, NC

The radar

The Morehead City radar (KMHX), 138 km from the middle of the area, began a volume at 18:39 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 11, 1:09 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Newport, NC (KMHX), launched 12:00Z, 6.7 hours before the alert went out and 137 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-pSkew-T log-p diagram, Newport, NC at 12:00Z on 2015-07-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1178 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Newport, NC at 12:00Z on 2015-07-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
1178 J/kg
Mixed-layer CIN
-103 J/kg
Mixed-layer LCL
1447 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
78 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 Newport/Morehead City, NC wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 11, 2:11 PM EDT, 29 minutes earlier.

Area forecast discussion, Jul 11, 2:11 PM EDT, 29 minutes before
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Hazardous weather outlook, Jul 11, 12:38 PM EDT, 2 hours 2 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
1238 PM EDT SAT JUL 11 2015

NCZ029-044>047-079>081-090>095-098-121645-
MARTIN-PITT-WASHINGTON-TYRRELL-MAINLAND DARE-GREENE-BEAUFORT-
MAINLAND HYDE-DUPLIN-LENOIR-JONES-CRAVEN-PAMLICO-CARTERET-ONSLOW-
1238 PM EDT SAT JUL 11 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN NORTH CAROLINA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

SCATTERED STRONG TO SEVERE THUNDERSTORMS ARE POSSIBLE ACROSS
EASTERN NORTH CAROLINA THIS AFTERNOON AND EVENING DUE TO A WEAK
AREA OF LOW PRESSURE AND ITS ASSOCIATED COLD FRONT MOVING
SOUTHEAST ACROSS THE AREA. SHOULD STORMS BECOME SEVERE, THE MAIN
HAZARD WILL BE DAMAGING WIND GUSTS AND TORRENTIAL DOWNPOURS.
ISOLATED TORNADOES ARE ALSO POSSIBLE.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED LATER TODAY.

NCZ103-104-121645-
OUTER BANKS DARE-OUTER BANKS HYDE-
1238 PM EDT SAT JUL 11 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN NORTH CAROLINA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

SCATTERED STRONG TO SEVERE THUNDERSTORMS ARE POSSIBLE ACROSS
EASTERN NORTH CAROLINA THIS AFTERNOON AND EVENING DUE TO A WEAK
AREA OF LOW PRESSURE AND ITS ASSOCIATED COLD FRONT MOVING
SOUTHEAST ACROSS THE AREA. SHOULD STORMS BECOME SEVERE, THE MAIN
HAZARD WILL BE DAMAGING WIND GUSTS AND TORRENTIAL DOWNPOURS.
ISOLATED TORNADOES ARE ALSO POSSIBLE.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED LATER TODAY.

In the hours before

Special weather statement, Jul 11, 1:15 PM EDT, 1 hour 25 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
115 PM EDT SAT JUL 11 2015

NCZ080-111800-
BEAUFORT-
115 PM EDT SAT JUL 11 2015

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL BEAUFORT COUNTY...

AT 113 PM EDT...A STRONG THUNDERSTORM WAS NEAR GOOSE CREEK STATE
PARK...OR 7 MILES EAST OF RIVER ROAD...MOVING EAST AT 15 MPH.

WINDS IN EXCESS OF 40 MPH AND PEA SIZE HAIL ARE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
BAYVIEW FERRY TERMINAL...AURORA FERRY TERMINAL...GOOSE CREEK STATE
PARK AND PANTEGO.

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY CAUSE
LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT FOR
EASTERN NORTH CAROLINA.

LAT...LON 3559 7653 3553 7654 3556 7666 3552 7663
      3551 7672 3548 7660 3539 7658 3533 7662
      3534 7669 3543 7665 3534 7670 3535 7696
      3544 7696 3545 7684 3548 7695 3559 7695
      3563 7660
TIME...MOT...LOC 1713Z 268DEG 14KT 3551 7686
Special weather statement, Jul 11, 1:17 PM EDT, 1 hour 23 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
117 PM EDT SAT JUL 11 2015

NCZ046-047-111800-
TYRRELL-WESTERN DARE-
117 PM EDT SAT JUL 11 2015

...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN MAINLAND DARE AND
NORTHEASTERN TYRRELL COUNTIES...

AT 117 PM EDT...A STRONG THUNDERSTORM WAS NEAR COLUMBIA...OR 21 MILES
SOUTH OF WEEKSVILLE...MOVING EAST AT 10 MPH.

WINDS IN EXCESS OF 40 MPH AND PEA SIZE HAIL ARE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
COLUMBIA.

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY CAUSE
LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT FOR
EASTERN NORTH CAROLINA.

LAT...LON 3596 7594 3595 7594 3596 7606 3592 7607
      3595 7612 3591 7607 3593 7602 3587 7604
      3587 7599 3593 7593 3579 7590 3579 7599
      3585 7599 3587 7610 3585 7606 3579 7606
      3579 7623 3597 7628 3600 7615
TIME...MOT...LOC 1717Z 260DEG 8KT 3589 7617
Special weather statement, Jul 11, 2:07 PM EDT, 33 minutes before
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Special weather statement, Jul 11, 2:28 PM EDT, 12 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 10, 8:11 PM EDTSpecial Weather StatementMHXHyde49 min
Jul 10, 8:19 PM EDTSpecial Marine WarningMHX41 min
Jul 11, 1:15 PM EDTSpecial Weather StatementMHXBeaufort45 min
Jul 11, 1:17 PM EDTSpecial Weather StatementMHXTyrrell43 min
Jul 11, 1:32 PM EDTSpecial Marine WarningMHX58 min
Jul 11, 1:39 PM EDTSpecial Marine WarningMHX66 min
Jul 11, 1:58 PM EDTSevere Thunderstorm WarningMHXBeaufort, Hyde, Pamlico62 min
Jul 11, 2:07 PM EDTSpecial Weather StatementMHXWashington53 min
Jul 11, 2:28 PM EDTSpecial Weather StatementMHXTyrrell62 min
Jul 11, 3:26 PM EDTSpecial Marine WarningMHX34 min
Jul 11, 3:34 PM EDTSpecial Weather StatementMHXPamlico41 min
Jul 11, 3:47 PM EDTSpecial Weather StatementMHXDare43 min
Jul 11, 3:50 PM EDTSpecial Marine WarningMHX40 min
Jul 11, 3:52 PM EDTSpecial Weather StatementMHXDare53 min
Jul 11, 3:59 PM EDTSpecial Weather StatementMHXCarteret61 min
Jul 11, 4:14 PM EDTSpecial Marine WarningMHX46 min
Jul 11, 4:29 PM EDTSpecial Weather StatementMHXDare46 min
Jul 11, 4:36 PM EDTSpecial Marine WarningMHX54 min
Jul 11, 4:40 PM EDTSpecial Weather StatementMHXWashington65 min
Jul 11, 4:50 PM EDTSpecial Weather StatementMHXDare40 min
Jul 11, 5:00 PM EDTSpecial Weather StatementMHXBeaufort60 min
Jul 11, 5:11 PM EDTSevere Thunderstorm WarningMHXDare19 min
Jul 11, 5:12 PM EDTSpecial Marine WarningMHX48 min
Jul 11, 5:25 PM EDTSpecial Marine WarningMHX65 min
Jul 11, 5:38 PM EDTSpecial Weather StatementMHXDare37 min
Jul 11, 5:48 PM EDTSpecial Marine WarningMHX57 min
Jul 11, 6:11 PM EDTSpecial Marine WarningMHX64 min
Jul 11, 6:23 PM EDTSpecial Marine WarningMHX67 min
Jul 11, 6:46 PM EDTSpecial Marine WarningMHX59 min
Jul 11, 6:47 PM EDTSpecial Weather StatementMHXDare58 min
Jul 11, 7:10 PM EDTSpecial Marine WarningMHX65 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2015Every 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.