Alert archive / North Carolina / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 64, NWS Newport/Morehead City, NC

August 20, 2002Beaufort County, North Carolina

NWS Newport/Morehead City, NC issued this severe thunderstorm warning at Aug 20, 2002, 5:09 PM EDT for Beaufort County, North Carolina. It was in force for 51 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
Aug 20, 2002, 5:09 PM EDT (21:09 UTC)
Expired
Aug 20, 2002, 6:00 PM EDT
In force
51 min
Issued by
NWS Newport/Morehead City, NC
Area
Whole counties

County Beaufort County, NC

The radar

The Morehead City radar (KMHX), 79 km from the middle of the area, began a volume at 21:12 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, 9.2 hours before the alert went out and 79 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 2002-08-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1909 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 2002-08-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -10 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
1909 J/kg
Mixed-layer CIN
-58 J/kg
Mixed-layer LCL
850 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
-10 m²/s²
0-3 km storm-relative helicity
-4 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.

379 
WUUS52 KMHX 202109
SVRMHX
NCC013-202200-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEWPORT-MOREHEAD CITY NC
509 PM EDT TUE AUG 20 2002

THE NATIONAL WEATHER SERVICE IN NEWPORT HAS ISSUED A

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

* UNTIL 600 PM EDT

* AT 509 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM 5 MILES SOUTH OF CHOCOWINITY     
  TO AURORA......MOVING SOUTHWEST AT 5 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
   EDWARD...AND...BLOUNTS CREEK AT 545 PM EDT.

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 NATIONAL WEATHER SERVICE.

$$

LAT...LON 3554 7711 3541 7660 3526 7660 3521 7679
          3542 7720

10

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 20, 3:00 PM EDT, 2 hours 9 minutes earlier.

Area forecast discussion, Aug 20, 3:00 PM EDT, 2 hours 9 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
300 PM EDT TUE AUG 20 2002

FOCUS TNGT IN WSHFT BNDRY MOVG S THRU CWA. NOT A GREAT DEAL OF
ENERGY ALOFT TO KEY ON XCPT IN AVN DEPICTION OF WEAK VORT TAIL
TRANSITING ERN NC 00Z-03Z AMID A MOIST COLUMN. LOW LVL LIFTING
MECHANISM MAY KEEP UPDRAFTS ACTIVE IN EVENING PERIOD AND PLAN ON
RETAINING SCT POPS. BIG TIME DRYING ALOFT NOTED WED AND THU AS
WARM SUBSIDENT RIDGE SHIFTS TO THE MID ATLC. NO MAJOR COOLING
WITH SWEEPING FRONT BUT PLEASANT DEWPOINTS WILL COUNT AS BONUS.
BROUGHT CHC RAIN BACK BY SUNDAY WITH TEMP ADHERING NEAR CLIMO.

MARINE: AVN SEEMS LIKE THE BEST CHOICE WITH FASTER FRONTAL MOVEMENT
BASED ON CURRENT OBSERVATIONS. MAIN THERMAL FRONT WILL LIKELY JUMP
INTO SFC TROUGH AXIS OVER ESTRN NC LATER THIS EVENING THEN PUSH S OF
THE AREA LATE. WILL CONTINUE THE TREND OF A BRIEF NE 15-20 KT SURGE
OVER THE NRN WATERS AND SOUNDS WED BUT KEEP SRN WATERS LIGHTER WITH
SPEEDS OF 15 KT TOPS. ANOTHER FRONT APPROACHES THU NIGHT WITH SLIGHT
INC OF SW WINDS. THIS FRONT DRIFTS ACROSS THE REGION FRI BUT WILL
NOT HAVE AS MUCH PUNCH AS THE CURRENT BOUNDARY AS FCST SFC HIGH NOT
AS STRONG.

.MHX...NONE.

COLBY/ELARDO

In the hours before

Special weather statement, Aug 20, 2:04 PM EDT, 3 hours 5 minutes before
NCZ080-201830-

SPECIAL WEATHER STATEMENT...FOR STRONG THUNDERSTORMS
NATIONAL WEATHER SERVICE NEWPORT-MOREHEAD CITY NC
204 PM EDT TUE AUG 20 2002

...STRONG THUNDERSTORMS WILL AFFECT BEAUFORT COUNTY UNTIL 230 PM
EDT...

AT 204 PM EDT...THERE WERE STRONG THUNDERSTORMS ABOUT 12 MILES
NORTHWEST OF BELHAVEN.  THE STORMS WERE NEARLY STATIONARY. THE
STRONG THUNDERSTORMS WILL BE NEAR TERRA CEIA AT 250 PM EDT.

WIND GUSTS OF 30 TO 40 MPH AND SMALL HAIL CAN BE EXPECTED WITH THESE
STORMS. HEAVY RAINFALL WILL CAUSE PONDING OF WATER ON HIGHWAY 32 AND
LOCALIZED FLOODING IN LOW LYING AREAS. MOTORISTS SHOULD SLOW DOWN ON
AREA ROADWAYS TO AVOID HYDROPLANING. THIS STORM IS ALSO 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.

JO
Special weather statement, Aug 20, 2:47 PM EDT, 2 hours 22 minutes before
NCZ046-047-080-081-202000-

SPECIAL WEATHER STATEMENT...FOR STRONG THUNDERSTORMS
NATIONAL WEATHER SERVICE NEWPORT-MOREHEAD CITY NC
247 PM EDT TUE AUG 20 2002

...STRONG THUNDERSTORMS WILL AFFECT MAINLAND HYDE...BEAUFORT...
MAINLAND DARE AND TYRRELL COUNTIES UNTIL 400 PM EDT...

AT 247 PM EDT...THERE WERE STRONG THUNDERSTORMS FROM 15 MILES WEST OF
MANNS HARBOR TO 13 MILES WEST OF BELHAVEN...OR FROM 12 MILES EAST OF
COLUMBIA TO 12 MILES EAST OF WASHINGTON...MOVING EAST AT 20 MPH. THE
STRONG THUNDERSTORMS WILL BE NEAR BELHAVEN AT 305 PM EDT...MANNS
HARBOR AT 330 PM EDT.

WIND GUSTS OF 40 TO 50 MPH AND SMALL HAIL CAN BE EXPECTED WITH THESE
STORMS. HEAVY RAINFALL WILL CAUSE PONDING OF WATER ON ROADWAYS AND
LOCALIZED FLOODING IN LOW LYING AREAS. MOTORISTS SHOULD SLOW DOWN ON
AREA ROADWAYS TO AVOID HYDROPLANING. 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.

NP
Special weather statement, Aug 20, 3:08 PM EDT, 2 hours 1 minute before
NCZ044-079-202015-

SPECIAL WEATHER STATEMENT...FOR STRONG THUNDERSTORMS
NATIONAL WEATHER SERVICE NEWPORT-MOREHEAD CITY NC
308 PM EDT TUE AUG 20 2002

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

AT 308 PM EDT...THERE WERE STRONG THUNDERSTORMS 10 MILES NORTHEAST OF
SNOW HILL...MOVING SOUTH AT 5 MPH. THE STRONG THUNDERSTORMS WILL
BE NEAR LIZZIE AT 340 PM EDT...MAURY AT 350 PM EDT...HOOKERTON AT 415
PM EDT...SNOW HILL AT 420 PM EDT. OTHER LOCATIONS TO BE AFFECTED BY
THE STORMS INCLUDE AYDEN...BRUCE...FALKLAND...FARMVILLE...FOUNTAIN...
GREENVILLE...ORMONDSVILLE...RENSTON...SIMPSON...STOKES...WHITEHURST
AND WINTERVILLE.

WIND GUSTS OF 40 TO 50 MPH AND SMALL HAIL CAN BE EXPECTED WITH THESE
STORMS. HEAVY RAINFALL WILL CAUSE PONDING OF WATER ON ROADWAYS AND
LOCALIZED FLOODING IN LOW LYING AREAS. MOTORISTS SHOULD SLOW DOWN ON
AREA ROADWAYS TO AVOID HYDROPLANING. 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.

NP
Local storm report, Aug 20, 4:20 PM EDT, 49 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
420 PM EDT TUE AUG 20 2002

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0330 PM    3W MANNS HARBOR           NC   0.75 IN HAIL
08/20/02   MAINLAND DARE                  DIME SIZE HAIL AND WIND
                                          GUST TO 50 MPH REPORTED
                                          AT THE ALLIGATOR WILDLIFE
                                          REFUGE

0407 PM    MANTEO                    NC   1.00 IN HAIL
08/20/02   OUTER BANKS DARE               SEVERAL REPORTS OF HAIL
                                          UP TO QUARTER SIZE IN
                                          MANTEO BY DAR EOC

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 20, 3:19 PM EDTSevere Thunderstorm WarningMHXDare56 min
Aug 20, 3:26 PM EDTSpecial Marine WarningMHX79 min
Aug 20, 4:29 PM EDTSevere Thunderstorm WarningMHXLenoir61 min
Aug 20, 4:43 PM EDTSpecial Marine WarningMHX47 min
Aug 20, 5:53 PM EDTSevere Thunderstorm WarningMHXJones52 min
Aug 20, 6:07 PM EDTSevere Thunderstorm WarningMHXHyde38 min
Aug 20, 7:09 PM EDTSevere Thunderstorm WarningMHXOnslow66 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.