Alert archive / North Carolina / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 49, NWS Newport/Morehead City, NC

August 28, 2001Carteret County, North Carolina

NWS Newport/Morehead City, NC issued this severe thunderstorm warning at Aug 28, 2001, 4:25 PM EDT for Carteret County, North Carolina. It was in force for 50 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
Aug 28, 2001, 4:25 PM EDT (20:25 UTC)
Expired
Aug 28, 2001, 5:15 PM EDT
In force
50 min
Issued by
NWS Newport/Morehead City, NC
Area
Whole counties

County Carteret County, NC

The radar

The Morehead City radar (KMHX), 33 km from the middle of the area, began a volume at 20:27 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
Aug 28, 4:35 PM EDTThunderstorm Wind 52 ECape Carteret, 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, 8.4 hours before the alert went out and 33 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 2001-08-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3396 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Newport, NC at 12:00Z on 2001-08-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 68 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
3396 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
540 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
68 m²/s²
0-3 km storm-relative helicity
65 m²/s²
Significant tornado parameter
0.6
Supercell composite
3.8

Open this sounding in Storm Lab

The text

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

455 
WUUS52 KMHX 282027
SVRMHX
NCC031-282115-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEWPORT-MOREHEAD CITY NC
425 PM EDT TUE AUG 28 2001

THE NATIONAL WEATHER SERVICE IN NEWPORT HAS ISSUED A

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

* UNTIL 515 PM EDT

* AT 425 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER CEDAR POINT...OR ABOUT OVER EMERALD
  ISLE...MOVING EAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
   INDIAN BEACH...AND...SALTER PATH AT 440 PM EDT.
   PINE KNOLL SHORES AT 445 PM EDT.
   ATLANTIC BEACH...AND...MOREHEAD CITY AT 450 PM EDT.
   BEAUFORT AT 455 PM EDT.
   HARKERS ISLAND...AND...STRAITS AT 505 PM EDT.

THIS STORM WILL PRODUCE STRONG DAMAGING WINDS IN EXCESS OF 60 MPH. IF
YOU ARE IN THE PATH OF THE STORM...SEEK SHELTER INSIDE A SUBSTANTIAL
STRUCTURE UNTIL THE STORM PASSES.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.

$$

LAT...LON 3475 7709 3457 7708 3458 7641 3481 7643

12

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 Aug 28, 1:20 PM EDT, 3 hours 5 minutes earlier.

Area forecast discussion, Aug 28, 1:20 PM EDT, 3 hours 5 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
120 PM EDT TUE AUG 28 2001

PTLY CLOUDY SKIES WITH CHCY POPS LOOK TO CONT THRU PD. MDLS INDICATE
WEAK SRT WVS WILL MOVE ENE ACRS REGION NEXT CPL DAYS AND PRODUCING
SCT SHRA/TSRA IN MOIST/UNSTBLE AIRMASS. EXPECT MOST OF PRECIP TO BE
DURING AFTN AND EVENING BUT WL NOT TIME REF GIVEN UNCERTAINTY IN SRT
WVS. GIVEN THE WEAKNESS OF UPR FEATURES THINK BEST TO KEEP POPS IN
CHC RANGE. RDR CRNTLY QUIET BUT EXPECT TSRA TO FIRE THIS AFTN PER
STRONG INSTAB AND THESE SHLD CONT INTO OVERNIGHT HOURS AS SRT WV
MOVES ACRS SRN TIER. SHLD SEE ENUF BREAKS IN CLOUDS TO SEE HIGHS IN
THE 85 TO 90 DGR RANGE AWAY FROM BEACHES NEXT CPL DAYS. MUGGY AT
NIGHT WITH LOWS IN LOW TO MID 70S.

LABOR DAY WEEKEND LOOKS UNSETTLED AS DEEP MOISTURE REMAINS ACRS
REGION AND FRONT STALLS IN VICINTY.

CWF: SW WINDS IN 15 TO 20 KT RANGE THEN BECOME W LATE AROUND 15 KT.
GRADIENT WEAKENS TOMORROW AFTERNOON AND WINDS STAY LESS THAN 15 KT
UNTIL THU AFTERNOON WHEN GRADIENT TIGHTENS AGAIN AND WINDS COME
AROUND MORE TO THE SOUTH.

RIP CURRENT THREAT WILL BE LOW N OF CAPE HATTERAS AND APPROACHING
INCREASED FOR S FACING BEACHES.

.MHX...NONE.

RF/WS

In the hours before

Special weather statement, Aug 28, 2:30 PM EDT, 1 hour 55 minutes before
NCZ044-079-080-090>095-098-282300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEWPORT-MOREHEAD CITY NC
230 PM EDT TUE AUG 28 2001

...ISOLATED SEVERE THUNDERSTORMS POSSIBLE LATE THIS AFTERNOON...

THUNDERSTORMS WILL CONTINUE TO DEVELOP OVER THE REGION THROUGH THE
REMAINDER OF THE AFTERNOON. A FEW OF THESE STORMS MAY BECOME SEVERE
WITH DAMAGING WINDS AND LARGE HAIL. AREAS SOUTH OF A GREENVILLE TO
BELHAVEN LINE WILL HAVE THE BEST CHANCE OF THUNDERSTORMS INTO THE
EARLY EVENING HOURS. SEEK SHELTER INSIDE A STRONG BUILDING WHEN
THUNDERSTORMS APPROACH.

RF

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 28, 3:29 PM EDTSevere Thunderstorm WarningMHXOnslow46 min
Aug 28, 4:20 PM EDTSevere Thunderstorm WarningMHXCraven, Pamlico40 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.