Alert archive / North Carolina / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 14, NWS Newport/Morehead City, NC

April 11, 1999Duplin County, North Carolina

NWS Newport/Morehead City, NC issued this severe thunderstorm warning at Apr 11, 1999, 5:36 PM EDT for Duplin County, North Carolina. It was in force for 39 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: Apr 11, 1999, 5:36 PM EDT (21:36 UTC)
Expired: Apr 11, 1999, 6:15 PM EDT
In force: 39 min
Issued by: NWS Newport/Morehead City, NC
Area: Whole counties

County Duplin County, NC

What was reported inside it

Time	Report	Where	Remark
Apr 11, 5:40 PM EDT	Hail 0.75	Calypso, 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 11, 3:30 PM EDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Newport, NC (KMHX), launched 12:00Z, 9.6 hours before the alert went out and 98 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 884 m above ground
0-6 km bulk shear: 70 kt
0-1 km storm-relative helicity: 341 m²/s²
0-3 km storm-relative helicity: 387 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 Apr 11, 2:50 PM EDT, 2 hours 46 minutes earlier.

Area forecast discussion, Apr 11, 2:50 PM EDT, 2 hours 46 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
250 PM EDT SUN APR 11 1999

SHORT TERM: SVR THREAT THIS EVE...MAINLY NRN SECTIONS WITH BEST
LIFT. WIDELY SCT ACTVTY DEVELOPING SW OF RDU AND PLAN ON CHC POPS
FOR A THIS EVENING PERIOD...BUT WILL UP TO LIKELY IF LINE DEVELOPS.

LONG TERM: CLEARING BEHIND COLD FRONT TONIGHT WITH GOOD CAA
CONTINUING INTO TUE. WEAK SHORT WV AND SOME LOW LVL MSTR UNDER
SUBSIDENCE INVERSION WILL PRODUCE MSTLY CLOUDY CONDITIONS DURING
DAY. THEN CLEARING AGAIN MON NIGHT.

LOCAL TEMP SCHEME IN BALL PARK WITH MOS AND WILL GENERALLY USE
COMPROMISE NUMBERS. WILL LEAN TOWARD COOLER NUMBERS MON AS FWC LOOKS
TOO WARM WITH CLOUDS AND CAA EXPECTED.

CWF: WILL RAISE SCA ALL WATERS WITH WINDS EXPECTED TO INCREASE
OVERNIGHT WITH POST-FRONTAL SURGE. SCA CONDITIONS LIKELY TO CONTINUE
INTO TUE.

.MHX...SCA COASTAL WATERS AND SOUNDS.

JBM

In the hours before

Special weather statement, Apr 11, 12:45 PM EDT, 4 hours 51 minutes before

NCZ029-044>047-079>081-090>095-098-103-104-112200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
1245 PM EDT SUN APR 11 1999

...SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS EASTERN NORTH CAROLINA
LATE THIS AFTERNOON INTO TONIGHT...

A WARM FRONT HAS MOVED NORTH OF THE AREA AND WITH DECREASING
CLOUDINESS TEMPERATURES WILL WARM INTO THE MID 70S. AFTERNOON
SUNSHINE WILL HELP TO DESTABILIZE THE ATMOSPHERE AS A COLD FRONT
APPROACHES FROM THE WEST. THIS COLD FRONT COULD BECOME A TRIGGER
MECHANISM FOR SEVERE THUNDERSTORMS LATE THIS AFTERNOON INTO TONIGHT.

THE MAIN THREAT FROM THESE THUNDERSTORMS WILL BE DAMAGING WIND GUSTS
AND LARGE HAIL UP 1 INCH DIAMETER OR GREATER. REMEMBER ALSO THAT
LIGHTNING IS AN UNDERRATED KILLER. AVOID STANDING ON WET GROUND OR
NEAR TALL OBJECTS WHEN YOU BEGIN HEARING THUNDER.

KEEP AN EYE ON THE SKIES LATER THIS AFTERNOON AND EVENING...
ESPECIALLY IF OUTDOOR ACTIVITIES ARE PLANNED. TUNE INTO LOCAL MEDIA
SOURCES AND KEEP YOURSELF IN THE KNOW CONCERNING THIS POTENTIAL
THREAT.

Local storm report, Apr 11, 3:29 PM EDT, 2 hours 7 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
329 PM EDT SUN APR 11 1999

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

0213 PM    MANTEO ARPT               NC   68 MPH TSTM GUST
04/11/99   DARE                           3 AIRPLANES BLOWN OVER

0220 PM    WANCHESE                  NC   WIND DAMAGE
04/11/99   DARE                           *** 8 INJ ***
                                          CIRCUS TENT BLOWN DOWN.
                                          MINIMUM OF 8 INJURIES.
                                          NUMEROUS WATERSPOUTS IN
                                          SOUND.

0222 PM                              NC   104 MPH TSTM GUST
04/11/99   DARE                           OREGON INLET LIVE READING
0238 PM    FARMVILLE                 NC   1 INCH HAIL
04/11/99   PITT

0242 PM                              NC
04/11/99   DARE                           FUNNEL CLOUD JUST EAST OF
                                          OREGON INLET MOVING SSE AT
                                          40 MPH.

0308 PM    FARMVILLE                 NC   TORNADO
04/11/99   PITT                           TORNADO WAS SITED 8 MILES
                                          SE OF FARMVILLE BY CHANNEL
                                          7 MEDIA PERSONNEL.

Local storm report, Apr 11, 4:29 PM EDT, 1 hour 7 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
329 PM EST SUN APR 11 1999

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

0213 PM    MANTEO ARPT               NC   68 MPH TSTM GUST
04/11/99   DARE                           3 AIRPLANES BLOWN OVER

0220 PM    WANCHESE                  NC   WIND DAMAGE
04/11/99   DARE                           *** 8 INJ ***
                                          CIRCUS TENT BLOWN DOWN.
                                          MINIMUM OF 8 INJURIES.
                                          NUMEROUS WATERSPOUTS IN
                                          SOUND.

0222 PM                              NC   104 MPH TSTM GUST
04/11/99   DARE                           OREGON INLET LIVE READING

0238 PM    FARMVILLE                 NC   1 INCH HAIL
04/11/99   PITT

0242 PM                              NC
04/11/99   DARE                           FUNNEL CLOUD JUST EAST OF
                                          OREGON INLET MOVING SSE AT
                                          40 MPH.

0308 PM    FARMVILLE                 NC   TORNADO
04/11/99   PITT                           TORNADO WAS SITED 8 MILES
                                          SE OF FARMVILLE BY CHANNEL
                                          7 MEDIA PERSONNEL.

Local storm report, Apr 11, 4:42 PM EDT, 54 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
342 PM EST SUN APR 11 1999

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

0340 PM    DOVER                     NC   TORNADO
04/11/99   CRAVEN                         SPOTTER OBSERVED TORNADO
                                          AND WATCHED IT TOUCHDOWN.

Local storm report, Apr 11, 5:26 PM EDT, 10 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
526 PM EDT SUN APR 11 1999

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

0513 PM    VANCEBORO                 NC   TORNADO
04/11/99   CRAVEN                         TORNADO SPOTTED AT WEST
                                          CRAVEN HIGH SCHOOL

0513 PM    NEW BERN                  NC   TORNADO
04/11/99   CRAVEN                         TORNADO SPOTTED AT SPRING
                                          GARDEN

Local storm report, Apr 11, 5:30 PM EDT, 6 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 11, 2:38 PM EDT	Severe Thunderstorm Warning	MHX	Dare	52 min
Apr 11, 3:28 PM EDT	Severe Thunderstorm Warning	MHX	Greene, Pitt	47 min
Apr 11, 3:59 PM EDT	Tornado Warning	MHX	Pitt	31 min
Apr 11, 4:01 PM EDT	Tornado Warning	MHX	Lenoir	29 min
Apr 11, 4:34 PM EDT	Tornado Warning	MHX	Craven	41 min
Apr 11, 5:14 PM EDT	Tornado Warning	MHX	Craven	31 min
Apr 11, 5:27 PM EDT	Tornado Warning	MHX	Pamlico	33 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 1999 Every severe thunderstorm warning in 1999

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.