Alert archive / North Carolina / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 68, NWS Newport/Morehead City, NC

August 24, 2002Craven County, North Carolina

NWS Newport/Morehead City, NC issued this severe thunderstorm warning at Aug 24, 2002, 7:53 PM EDT for Craven County, North Carolina. It was in force for 37 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 24, 2002, 7:53 PM EDT (23:53 UTC)
Expired
Aug 24, 2002, 8:30 PM EDT
In force
37 min
Issued by
NWS Newport/Morehead City, NC
Area
Whole counties

County Craven County, NC

The radar

The Morehead City radar (KMHX), 42 km from the middle of the area, began a volume at 23:56 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 24, 8:15 PM EDTThunderstorm Wind 52 MNew Bern, 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, 11.9 hours before the alert went out and 42 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 2002-08-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 862 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 2002-08-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 19 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
862 J/kg
Mixed-layer CIN
-116 J/kg
Mixed-layer LCL
1662 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
19 m²/s²
0-3 km storm-relative helicity
13 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.

828 
WUUS52 KMHX 242353
SVRMHX
NCC049-250030-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEWPORT-MOREHEAD CITY NC
753 PM EDT SAT AUG 24 2002

THE NATIONAL WEATHER SERVICE IN NEWPORT HAS ISSUED A

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

* UNTIL 830 PM EDT

* AT 753 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER ERNUL...OR ABOUT 6 MILES NORTH OF NEW
  BERN...MOVING SOUTH AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
   NEW BERN AT 800 PM EDT.

THIS LINE OF STORMS WILL PRODUCE STRONG DAMAGING WINDS IN EXCESS OF
60 MPH. IF YOU ARE IN THE PATH OF THESE STORMS...SEEK SHELTER INSIDE
A STURDY STRUCTURE AND AWAY FROM WINDOWS.

EXCESSIVE DEADLY LIGHTNING IS OCCURRING WITH THIS SEVERE WEATHER. IF
OUTDOORS...STAY AWAY FROM TALL OBJECTS SUCH AS TREES. MOVE INDOORS IF
POSSIBLE. WHEN INDOORS...STAY AWAY FROM WINDOWS AND DOORS. AVOID
USING TELEPHONES UNLESS IT IS AN EMERGENCY.

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

$$

11

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 24, 2:39 PM EDT, 5 hours 14 minutes earlier.

Area forecast discussion, Aug 24, 2:39 PM EDT, 5 hours 14 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
239 PM EDT SAT AUG 24 2002

SFC TROF INLAND TO MV TO THE COAST TONIGHT. IN THE MEANTIME...SHRA
AND TSRA DVLPG TO OUR N AND NW EXPECTED TO MV INTO AT LEAST OUR NRN
CWA. AS THE BNDRY AND WEAK UPR VORT MVS EAST TNGT...ACTIVITY TO OUR
N MAY LATER MV OR DVLP TOWARD THE COAST. WL FORECAST 40 POPS AND
CALL IT SCTTRD COVERAGE TNGT (BULK OF ACTIVITY EVENING HOURS).

BNDRY WEAKENS ALONG THE COAST ON SUN...AND SO DOES CONVERGENCE AS
PGRAD WEAKENS. INLAND...DRIER AIR ADVECTS FRM THE NW BEHIND THE
BNDRY...SO THAT SHUD TAKE THE EDGE OFF THE HEAT/HUMIDITY WEVE SEEN
THE PAST 2 DAYS. ATTM IT APPEARS HEAT ADVISORY WILL NOT BE NEEDED
FOR SUN GIVEN SLIGHTLY COOLER TEMPS AND DWPTS WHICH DECREASE 2-5
DEGREES. THE PROXIMITY OF THE BNDRY NORMALLY WARRANTS A CHANCE
POP...BUT GIVEN THE WEAK FLOW/CONVERGENCE...WL ONLY INCLUDE A 10-20
POP SUN/SUN NIGHT...HIGHEST ALONG THE COAST NEARER THE BNDRY.

BY MON...A 5H CLOSED LOW MVS ACROSS AND JUST S THE OH RVR VLY. BY
18Z MON DEEP LAYER FLOW BECOMES ONSHORE WITH PWAT ON THE INCRS. THE
BEST CHNC FOR RAIN NOW APPEARS MON EVE/NIGHT INTO TUE AS THE BNDRY
MVS NORTH THRU THE AREA. WE WOULD HAVE AN EVEN BETTER CHANCE FOR
PROLONGED RAIN IF THE UPR LOW WAS A LITTLE CLOSER TO US...HOWEVER
LATEST PROGS NOW RETROGRADE THE LOW W AND THE UPR RIDGE OFFSHORE
BUILDS WEST TOWARD OUR AREA. WL DECREASE POPS WED/THU...AND REMOVE
POPS FOR FRI/SAT AS URP RIDGE BUILDS WESTWARD.

MARINE...ALBEIT MARGINAL WILL GO WITH SCA FOR WATERS FROM OCRACOKE
INLET N TONIGHT AS GRADIENT TIGHTENS PLUS VORT MOVING THROUGH THE
REGION. WILL SEPARATE SOUNDS AND INCLUDE PAMLICO IN SCA ALTHOUGH
MAINLY E PART WILL HAVE SCA WINDS. S OF OCRACOKE WILL GO WITH
SCSEC. WINDS DECREASE LATE TONIGHT AND DO NOT EXPECT WINDS GREATER
THAN 15 KT SUNDAY NIGHT THROUGH MONDAY. GRADIENT TIGHTENS AGAIN
TUE WITH S FLOW AFTER WARM FRONT MOVES N.

RIP CURRENT...WITH OFFSHORE WINDS TOMORROW EXPECT LOW THREAT.

.MHX...SMALL CRAFT ADVISORY FOR N OF OCRACOKE INLET AND PAMLICO
SOUND.

NP/WS

In the hours before

Special weather statement, Aug 24, 5:57 PM EDT, 1 hour 56 minutes before
NCZ029-044-079-242300-

SPECIAL WEATHER STATEMENT...FOR STRONG THUNDERSTORMS
NATIONAL WEATHER SERVICE NEWPORT-MOREHEAD CITY NC
557 PM EDT SAT AUG 24 2002

...STRONG THUNDERSTORMS WILL AFFECT PITT...MARTIN AND GREENE COUNTIES
UNTIL 700 PM EDT...

AT 557 PM EDT...THERE WERE STRONG THUNDERSTORMS FROM 11 MILES
NORTHEAST OF WILLIAMSTON TO 28 MILES WEST OF GREENVILLE...OR FROM 11
MILES NORTHEAST OF WILLIAMSTON TO 13 MILES SOUTH OF WILSON...MOVING
EAST AT 30 MPH. THE STRONG THUNDERSTORMS WILL BE NEAR GREENVILLE AT
615 PM EDT.

WIND GUSTS OF 30 TO 40 MPH CAN BE EXPECTED WITH THESE STORMS. THESE
STORMS ARE PRODUCING AN EXCESSIVE AMOUNT OF DEADLY LIGHTNING.

STAY TUNED TO NOAA WEATHER RADIO OR OTHER LOCAL MEDIA OUTLETS FOR
FURTHER UPDATES ON THE WEATHER SITUATION ACROSS THE AREA.

CTC
Special weather statement, Aug 24, 6:53 PM EDT, 1 hour before
NCZ046-047-103-250000-

SPECIAL WEATHER STATEMENT...FOR STRONG THUNDERSTORMS
NATIONAL WEATHER SERVICE NEWPORT-MOREHEAD CITY NC
653 PM EDT SAT AUG 24 2002

...STRONG THUNDERSTORMS WILL AFFECT MAINLAND DARE...OUTER BANKS DARE
AND TYRRELL COUNTIES UNTIL 800 PM EDT...

AT 653 PM EDT...THERE WERE STRONG THUNDERSTORMS FROM KILL DEVIL HILLS
TO 11 MILES WEST OF COLUMBIA...MOVING EAST AT 25 MPH. THE STRONG
THUNDERSTORMS WILL BE NEAR NAGS HEAD AT 715 PM EDT. OTHER LOCATIONS
TO BE AFFECTED BY THE STORMS INCLUDE MANNS HARBOR AND MANTEO.

WIND GUSTS OF 30 TO 40 MPH CAN BE EXPECTED WITH THESE STORMS. THIS
STORM IS PRODUCING AN EXCESSIVE AMOUNT OF DEADLY LIGHTNING.

STAY TUNED TO NOAA WEATHER RADIO OR OTHER LOCAL MEDIA OUTLETS FOR
FURTHER UPDATES ON THE WEATHER SITUATION ACROSS THE AREA.

CTC
Special weather statement, Aug 24, 7:18 PM EDT, 35 minutes before
NCZ045-080-104-250015-

SPECIAL WEATHER STATEMENT...FOR STRONG THUNDERSTORMS
NATIONAL WEATHER SERVICE NEWPORT-MOREHEAD CITY NC
718 PM EDT SAT AUG 24 2002

...STRONG THUNDERSTORMS WILL AFFECT OUTER BANKS HYDE...WASHINGTON AND
BEAUFORT COUNTIES UNTIL 815 PM EDT...

AT 718 PM EDT...THERE WERE STRONG THUNDERSTORMS FROM 19 MILES NORTH
OF BELHAVEN TO 38 MILES SOUTHWEST OF BELHAVEN...OR FROM 14 MILES EAST
OF PLYMOUTH TO 15 MILES NORTHWEST OF NEW BERN...MOVING SOUTHEAST AT
25 MPH. THE STRONG THUNDERSTORMS WILL BE NEAR BELHAVEN AT 725 PM EDT.

WIND GUSTS OF 40 TO 50 MPH CAN BE EXPECTED WITH THESE STORMS. THIS
STORM IS PRODUCING AN EXCESSIVE AMOUNT OF DEADLY LIGHTNING.

STAY TUNED TO NOAA WEATHER RADIO OR OTHER LOCAL MEDIA OUTLETS FOR
FURTHER UPDATES ON THE WEATHER SITUATION ACROSS THE AREA.

CTC

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 24, 6:47 PM EDTSpecial Marine WarningMHX43 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2002Every severe thunderstorm warning in 2002

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.