Alert archive / North Carolina / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 61, NWS Newport/Morehead City, NC

August 19, 2002Pitt County, North Carolina

NWS Newport/Morehead City, NC issued this severe thunderstorm warning at Aug 19, 2002, 5:35 PM EDT for Pitt County, North Carolina. It was in force for 25 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 19, 2002, 5:35 PM EDT (21:35 UTC)
Expired: Aug 19, 2002, 6:00 PM EDT
In force: 25 min
Issued by: NWS Newport/Morehead City, NC
Area: Whole counties

County Pitt County, NC

The radar

The Raleigh/Durham radar (KRAX), 101 km from the middle of the area, began a volume at 21:38 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, 9.6 hours before the alert went out and 101 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 651 J/kg
Mixed-layer CIN: -125 J/kg
Mixed-layer LCL: 1261 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 0 m²/s²
0-3 km storm-relative helicity: 21 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.

044 
WUUS52 KMHX 192135
SVRMHX
NCC147-192200-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEWPORT-MOREHEAD CITY NC
535 PM EDT MON AUG 19 2002

THE NATIONAL WEATHER SERVICE IN NEWPORT HAS ISSUED A

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

* UNTIL 600 PM EDT

* AT 535 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER SIMPSON...OR ABOUT 7 MILES SOUTHEAST OF
  GREENVILLE...MOVING EAST AT 15 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
   GRIMESLAND AT 540 PM EDT.

 OTHER LOCATIONS IN THE WARNING INCLUDE BLACK JACK.

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

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.

$$

8

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 19, 3:35 PM EDT, 2 hours earlier.

Area forecast discussion, Aug 19, 3:35 PM EDT, 2 hours before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
335 PM EDT MON AUG 19 2002

MID LVL VORT EVIDENT IN VSBL SE OF CLKN7 WITH CONVECTIVE COMPLEX
POSITIONED WELL S OF THE SWIRL AND NEWER UPDRAFTS BELOW THE VORTS
CNTR. THIS FTR MOVG AWAY AND MAIN EFFECT IS THROW-BACK CI AND
SUBSIDENCE OVER OUR ERN ZONES CURRENTLY. RCNT CONVECTION OVER SE NC
LIKELY AIDED BY IMPULSE ALOFT OVER COASTAL SC AND RECENT TCU DVLPMT
ACRS SE VA BE HELPED ALG BY STG LOW TROP HEAT AND WEAK S-WAVE APRCHG
THAT RGN. ALL ELSE CONSIDERED WILL HAVE TO KEEP ERLY EVE SCT POP AS
EXPECT TSTMS TO FILL A BIT ACRS ERN NC.

TUE A WEAK SHEAR AXIS EXTENDING FM NC SWWD WILL INTERACT WITH LEE
TROF CONVERGENCE AND ADEQUATE COLUMN MSTR TO PRODUCE SCT CONVECTION.

STG RDG ALOFT BUILDS INTO MID ATLC FM MID WEEK ON. ITS AXIS XTNG NWD
WILL HELP TO SUSTAIN A LARGE AND DRY HIGH PRES CELL THAT DROPS OUT
OF THE GREAT LAKES USHERING SLIGHTLY MORE PLEASNAT DWPTS BY WED BUT
WITH THICKNESS VALUES ALOFT COOLING ONLY MINOR THOUGH IT WILL FEEL A
BIT NICER DUE TO LOWER HUMIDITY. TIME SECTIONS CLEARLY DEPICT MAJOR
DRYING FROM 1 MILE OFF THE SFC UPWARD TO JET STREAM LVLS BEGINNING
WED AS UPR RDG SHIFTS EWD...SO RAIN WILL BE HARD TO COME BY FROM MID
WEEK ON.

MARINE: WENT WIND AN AVN SOLN WITH RESPECT TO FRONTAL MOVEMENT WHICH
BRINGS BNDRY ACROSS AREA WED AND S WED NIGHT. PREFRONTAL SW FLOW 10
TO 15 KT. BRIEF NE SURGE WED WILL AVERAGE 15 KT. COULD SEE A PERIOD
OF 20 KT N OF HAT AND LATER SHIFTS WILL HAVE TO WATCH FOR THIS.
WINDS FALL OUT WED NIGHT AND THU AS WEAK HIGH PRES BUILDS OVR THE
REGION. AVN MOVES A LOW ACROSS THE MID ATLC REGION THU NIGHT AND
OFFSHORE ERLY FRI WITH A SLGT INC IN SPEEDS. NO FLAGS EXPECTED
THROUGH SAT.

.MHX...NONE.

COLBY/ELARDO

In the hours before

Special weather statement, Aug 19, 3:25 PM EDT, 2 hours 10 minutes before

NCZ090-092-093-095-098-192030-

SPECIAL WEATHER STATEMENT...FOR STRONG THUNDERSTORMS
NATIONAL WEATHER SERVICE NEWPORT-MOREHEAD CITY NC
325 PM EDT MON AUG 19 2002

...STRONG THUNDERSTORMS WILL AFFECT ONSLOW...CARTERET...CRAVEN...
JONES AND DUPLIN COUNTIES UNTIL 430 PM EDT...

AT 323 PM EDT...THERE WERE STRONG THUNDERSTORMS FROM 18 MILES WEST OF
WALLACE TO HAVELOCK...MOVING SOUTHEAST AT 10 MPH. THE STRONG
THUNDERSTORMS WILL BE NEAR WALLACE AT 330 PM EDT...JACKSONVILLE AT
345 PM EDT. OTHER LOCATIONS TO BE AFFECTED BY THE STORMS INCLUDE
NORTH TOPSAIL BEACH AND SWANSBORO.

DIME TO GOLFBALL SIZE HAIL WAS REPORTED NEAR WALLACE AT 315 PM
EDT...BUT THE STORM PRODUCING THE HAIL HAS WEAKENED AND MOVED INTO
NORTHERN PENDER COUNTY.

WIND GUSTS OF 30 TO 40 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. 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.

JBM

Local storm report, Aug 19, 3:33 PM EDT, 2 hours 2 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
333 PM EDT MON AUG 19 2002

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

0315 PM    WALLACE                   NC   1.75 IN HAIL
08/19/02   DUPLIN                         DIME TO GOLFBALL SIZE
                                          HAIL REPORTED BY DUPLIN
                                          COUNTY EMERGENCY
                                          MANAGEMENT.

Local storm report, Aug 19, 3:51 PM EDT, 1 hour 44 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
351 PM EDT MON AUG 19 2002

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

0340 PM                              NC   1.00 IN HAIL
08/19/02   ONSLOW                         REPORTED BY ONSLOW COUNTY
                                          911.

Local storm report, Aug 19, 3:51 PM EDT, 1 hour 44 minutes before

PRELIMINARY LOCAL STORM REPORT...CORRECTION
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
351 PM EDT MON AUG 19 2002

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

0340 PM    HAWS RUN                  NC   1.00 IN HAIL
08/19/02   ONSLOW                         REPORTED BY ONSLOW COUNTY
                                          911.

CORRECTED TO INDICATE CITY LOCATION

JBM

Local storm report, Aug 19, 4:53 PM EDT, 42 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
453 PM EDT MON AUG 19 2002

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

0434 PM    CALYPSO                   NC   1.00 IN HAIL
08/19/02   DUPLIN                         REPORTED BY FRIENDLY MART
                                          IN CALYPSO.

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 18, 8:25 PM EDT	Special Marine Warning	MHX		65 min
Aug 18, 9:25 PM EDT	Special Marine Warning	MHX		65 min
Aug 18, 9:25 PM EDT	Special Marine Warning	MHX		65 min
Aug 19, 3:39 PM EDT	Severe Thunderstorm Warning	MHX	Onslow	36 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2002 Every 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.