Alert archive / North Carolina / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 21, NWS Newport/Morehead City, NC

April 15, 1999Pamlico County, North Carolina

NWS Newport/Morehead City, NC issued this severe thunderstorm warning at Apr 15, 1999, 10:59 PM EDT for Pamlico County, North Carolina. It was in force for 46 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: Apr 15, 1999, 10:59 PM EDT (02:59 UTC)
Expired: Apr 15, 1999, 11:45 PM EDT
In force: 46 min
Issued by: NWS Newport/Morehead City, NC
Area: Whole counties

County Pamlico County, NC

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 15, 10:00 PM EDT	Tornado Watch	SPC	2 hr

The nearest sounding before it

Newport, NC (KMHX), launched 00:00Z, 3.0 hours before the alert went out and 46 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: 464 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 610 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 260 m²/s²
0-3 km storm-relative helicity: 492 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 3.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KHAT 160301
SVRMHX
NCC137-160345-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEWPORT-MOREHEAD CITY NC
1059 PM EDT THU APR 15 1999

THE NATIONAL WEATHER SERVICE IN NEWPORT HAS ISSUED A

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

* UNTIL 1145 PM EDT

* AT 1059 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 7 MILES WEST OF SILVER HILL...MOVING EAST AT 35
  MPH.

* THE SEVERE THUNDERSTORM WILL BE...
  OVER SILVER HILL AROUND 1105 PM EDT
  OVER ALLIANCE AROUND 1110 PM EDT.
  OVER BAYBORO AROUND 1115 PM EDT.
  OVER FLORENCE AROUND 1125 PM EDT.

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

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 15, 9:35 PM EDT, 1 hour 24 minutes earlier.

Area forecast discussion, Apr 15, 9:35 PM EDT, 1 hour 24 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
935 PM EDT THU APR 15 1999

WIDESPREAD CONVECTION AND ISOLATED SVR CURRENTLY OVER AREA SHOULD
MOVE OFF COAST AROUND MIDNIGHT. SPC ISSUING NEW WATCH TO COVER TIL
THEN FOR COASTAL NC. 00Z MHX SOUNDING IMPRESSIVE WITH HELICITY
AROUND 500. WILL UPDATE ZFP WITH NEW WATCH ISSUANCE.

CWF: WIDESPREAD SCA CONDITIONS REPORTED WITH ISOLATED GALE AT
DIAMOND SHOALS. WILL CONTINUE CURRENT FCST.

.MHX...SCA COASTAL WATERS AND SOUNDS.

JBM

In the hours before

Local storm report, Apr 15, 10:25 PM EDT, 34 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
1025 PM EDT THU APR 15 1999

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

1020 PM    TRENTON                   NC   65 MPH TSTM GUST
04/15/99   JONES                          GUSTS TO AT LEAST 65 MPH
                                          AT 1126 NEAR RT 58 NORTH
                                          OF TRENTON. TREES DOWN,
                                          VEHICLES DAMAGED.

Local storm report, Apr 15, 10:31 PM EDT, 28 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
1031 PM EDT THU APR 15 1999

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

0940 PM    HATTERAS                  NC   TORNADO
04/15/99   DARE                           TORNADO AT HATTERAS
                                          VILLAGE, DAMAGE WITH MINOR
                                          INJURIES.

Local storm report, Apr 15, 10:32 PM EDT, 27 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
1032 PM EDT THU APR 15 1999

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

1025 PM    JACKSONVILLE              NC   WIND DAMAGE
04/15/99   ONSLOW                         PUBLIC REPORTED DOWNBURST
                                          WINDS IN JACKSONVILLE

Local storm report, Apr 15, 10:35 PM EDT, 24 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
1035 PM EDT THU APR 15 1999

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

1020 PM    TRENTON                   NC   165 MPH TSTM GUST
04/15/99   JONES                          WIND EQUIPMENT SHOWED
                                          GUSTS TO 165 MPH, BARNS,
                                          TREES DESTROYED, ALL
                                          HUNTING DOGS KILLS, N OF
                                          TRENTON

Local storm report, Apr 15, 10:47 PM EDT, 12 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
1047 PM EDT THU APR 15 1999

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

1040 PM    CLARKS                    NC   80 MPH TSTM GUST
04/15/99   CRAVEN                         WIND GUSTS TO 80 MPH IN
                                          CLARKS, W OF NEW BERN.
                                          TREES AND LIGHTS DOWN.

Local storm report, Apr 15, 10:51 PM EDT, 8 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
1051 PM EDT THU APR 15 1999

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

1048 PM    NEW BERN                  NC   WIND DAMAGE
04/15/99   CRAVEN                         POWER LINES DOWN N OF NEW
                                          BERN.

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 15, 9:07 PM EDT	Severe Thunderstorm Warning	MHX	Hyde	38 min
Apr 15, 9:26 PM EDT	Severe Thunderstorm Warning	MHX	Duplin	49 min
Apr 15, 9:33 PM EDT	Severe Thunderstorm Warning	MHX	Dare	42 min
Apr 15, 9:53 PM EDT	Tornado Warning	MHX	Duplin	37 min
Apr 15, 9:59 PM EDT	Tornado Warning	MHX	Jones, Lenoir	46 min
Apr 15, 10:16 PM EDT	Severe Thunderstorm Warning	MHX	Onslow	44 min
Apr 15, 10:28 PM EDT	Tornado Warning	MHX	Craven	32 min
Apr 15, 10:39 PM EDT	Tornado Warning	MHX	Carteret	51 min
Apr 15, 11:20 PM EDT	Severe Thunderstorm Warning	MHX	Beaufort	45 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; the sounding from the Mesonet's radiosonde archive.