Alert archive / North Carolina / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 40, NWS Newport/Morehead City, NC

July 6, 2001Onslow County, North Carolina

NWS Newport/Morehead City, NC issued this severe thunderstorm warning at Jul 6, 2001, 1:20 PM EDT for Onslow County, North Carolina. It was in force for 55 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jul 6, 2001, 1:20 PM EDT (17:20 UTC)
Expired
Jul 6, 2001, 2:15 PM EDT
In force
55 min
Issued by
NWS Newport/Morehead City, NC
Area
Whole counties

County Onslow County, NC

The radar

The Morehead City radar (KMHX), 47 km from the middle of the area, began a volume at 17:26 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.

What was reported inside it

TimeReportWhereRemark
Jul 6, 1:31 PM EDTHail 0.75Camp Lejeune, NC

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Newport, NC (KMHX), launched 12:00Z, 5.3 hours before the alert went out and 47 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 2001-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1763 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 2001-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 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
1763 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
988 m above ground
0-6 km bulk shear
0 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
0 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS52 KMHX 061721
SVRMHX

NCC133-061815-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEWPORT-MOREHEAD CITY NC
120 PM EDT FRI JUL 6 2001

THE NATIONAL WEATHER SERVICE IN NEWPORT HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ONSLOW COUNTY IN EASTERN NORTH CAROLINA

* UNTIL 215 PM EDT

* AT 120 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER CAMP LEJEUNE...OR ABOUT 8 MILES SOUTHEAST
  OF JACKSONVILLE...MOVING SOUTHEAST AT 15 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
   HAMMOCKS BEACH AT 130 PM EDT
   SWANSBORO AT 135 PM EDT.

 OTHER LOCATIONS IN THE WARNING INCLUDE PINEY GREEN AND HUBERT.

THIS STORM WILL PRODUCE LARGE HAIL...STRONG DAMAGING WINDS...AND VERY
HEAVY RAIN. TAKE COVER IN A SUBSTANTIAL SHELTER UNTIL THE STORM
PASSES.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NAT"IONAL WEATHER SERVICE.

$$

LAT...LON 3480 7732 3465 7744 3446 7713 3465 7699

14/17

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 6, 10:50 AM EDT, 2 hours 30 minutes earlier.

Area forecast discussion, Jul 6, 10:50 AM EDT, 2 hours 30 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
1050 AM EDT FRI JUL 6 2001

FRONTAL BOUNDARY MOVING FASTER THAN EXPECTED WITH NRLY WIND SHIFT
OVER ENTIRE MHX MAINLAND CWA AT 14Z. LATEST RUC40 AND INCOMING
MESOETA CONCUR WITH FRONT S OF AREA BY 00Z. AIR MASS BOUNDARY WITH
HIGHER DEW POINTS WILL LIKELY LAG OVER SRN SECTIONS INTO AFTN AND
PROVIDE FOCUS FOR SCT TSTMS WITH STRONG SHRT WV MOVING THRU FROM
NW...AND ISOLD SVR STILL POSSIBLE. WILL KEEP 40% POPS FOR SRN ZONES
BUT DROP POPS N. TEMP FCST OK EXCEPT WILL DIFFERENTIATE BETWEEN N
AND S ON OUTER BANKS WITH NRN SECTIONS COOLER DUE TO N-NE WIND.

CWF: WITH FASTER FRONTAL MOVEMENT EXPECTED...WILL HAVE TO ADJUST
WIND FCST ACCORDINGLY...MAINLY FOR SRN WATERS. LATEST OBS INDICATE
SEAS BELOW 5 FEET SO WILL DROP SCEC WORDING FOR NRN WATERS. S FACING
BEACHES STILL SEEING EFFECTS FROM SVRL DAYS OF SW FLOW AND WILL
CONTINUE INCREASED THREAT OF RIP CURRENTS.

.MHX...NONE

JBM

In the hours before

Special weather statement, Jul 6, 12:05 PM EDT, 1 hour 15 minutes before
NCZ029-044>047-079>081-090>095-098-103-104-061630-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NEWPORT-MOREHEAD CITY NC
1205 PM EDT FRI JUL 6 2001

...SEVERE THUNDERSTORM THREAT HAS DIMINISHED...

THE COLD FRONT THAT WAS EXPECTED TO PRODUCE A THREAT OF ISOLATED
SEVERE THUNDERSTORMS THIS AFTERNOON HAD PUSHED SOUTH OF THE AREA BY
NOON. NORTH TO NORTHEAST WINDS WILL BRING MORE STABLE CONDITIONS TO
MUCH OF EASTERN NORTH CAROLINA THIS AFTERNOON AND THUS THE THREAT OF
SEVERE THUNDERSTORMS HAS DIMINISHED. SCATTERED THUNDERSTORMS ARE
STILL POSSIBLE ALONG AND SOUTH OF A KINSTON...NEW BERN...BAYBORO
LINE BUT NO SEVERE WEATHER IS EXPECTED.

JBM

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 6, 1:55 PM EDTSevere Thunderstorm WarningMHXCarteret35 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2001Every severe thunderstorm warning in 2001

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.