Alert archive / North Carolina / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 12, NWS Newport/Morehead City, NC

April 19, 2002Onslow County, North Carolina

NWS Newport/Morehead City, NC issued this severe thunderstorm warning at Apr 19, 2002, 11:19 PM EDT for Onslow County, North Carolina. It was in force for 26 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 19, 2002, 11:19 PM EDT (03:19 UTC)
Expired
Apr 19, 2002, 11:45 PM EDT
In force
26 min
Issued by
NWS Newport/Morehead City, NC
Area
Whole counties

County Onslow County, NC

The radar

The Morehead City radar (KMHX), 47 km from the middle of the area, began a volume at 03:18 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 00:00Z, 3.3 hours before the alert went out and 47 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 00:00Z on 2002-04-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 350 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 00:00Z on 2002-04-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 46 square meters per square second.193958Sfc1 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
350 J/kg
Mixed-layer CIN
-193 J/kg
Mixed-layer LCL
1271 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
46 m²/s²
0-3 km storm-relative helicity
75 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.

000 
WUUS52 KMHX 200319
SVRMHX
NCC133-200345-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEWPORT-MOREHEAD CITY NC
1120 PM EDT FRI APR 19 2002

THE NATIONAL WEATHER SERVICE IN NEWPORT HAS ISSUED A

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

* UNTIL 1145 PM EDT

* AT 1118 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 6 MILES WEST OF DIXON...OR ABOUT 10 MILES
  NORTHWEST OF NORTH TOPSAIL BEACH...MOVING SOUTHEAST AT 15 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
   HOLLY RIDGE...AND...FOLKSTONE AT 1135 PM EDT.
   NORTH TOPSAIL BEACH AT 1145 PM EDT.

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

$$

LAT...LON 3469 7752 3461 7772 3432 7757 3442 7732

15

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 19, 9:55 PM EDT, 1 hour 24 minutes earlier.

Area forecast discussion, Apr 19, 9:55 PM EDT, 1 hour 24 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
955 PM EDT FRI APR 19 2002

CONVECTIVE ACTIVITY CURRENTLY DYING ALONG COAST AND NO SIGNS OF
ADDITIONAL ACTIVITY OVERNIGHT. AREA STABILIZED FROM EVENING ACTIVITY
AND SHORT WAVE MOVING OFF COAST...AND LATEST MESO MODELS SUPPORT SO
FEEL CONFIDENT IN REMOVING POPS FOR OVERNIGHT. WILL GO WITH
DECREASING CLOUDS FOR SKY COVER AND ADD MENTION OF PATCHY FOG. MIN
TEMPS IN UPPER 60S LOOK ON TRACK.

CWF: VRBL WINDS EXPECTED FOR BRIEF PERIOD NEXT 1-2 HOURS DUE TO
CONVECTIVE ACTIVITY MOVING OFF COAST...THEN SHOULD SEE RETURN TO SW
15-20 KTS.

.MHX...NONE

JBM

In the hours before

Local storm report, Apr 19, 5:45 PM EDT, 5 hours 34 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY, NC
545 PM EDT FRI APR 19 2002

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

0526 PM    POLLOCKSVILLE             NC   .75 INCH HAIL
04/19/02   JONES                          REPORTED BY
SPOTTERS
Special weather statement, Apr 19, 6:40 PM EDT, 4 hours 39 minutes before
NCZ029-044-045-079-080-091-093-192345-

SPECIAL WEATHER STATEMENT...FOR STRONG THUNDERSTORMS
NATIONAL WEATHER SERVICE NEWPORT-MOREHEAD CITY NC
640 PM EDT FRI APR 19 2002

...STRONG THUNDERSTORMS WILL AFFECT PITT...MARTIN...WASHINGTON...
CRAVEN...GREENE...LENOIR AND BEAUFORT COUNTIES UNTIL 745 PM EDT...

AT 640 PM EDT...THERE WERE STRONG THUNDERSTORMS FROM 24 MILES NORTH
OF WILLIAMSTON TO 43 MILES WEST OF LA GRANGE...MOVING EAST AT 20
MPH. THE STRONG THUNDERSTORMS WILL BE NEAR WILLIAMSTON AT 650 PM
EDT...PLYMOUTH AT 735 PM EDT...SNOW HILL AT 745 PM EDT. OTHER
LOCATIONS TO BE AFFECTED BY THE STORMS INCLUDE GREENVILLE...KINSTON
AND WASHINGTON.

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.

JBM
Special weather statement, Apr 19, 7:48 PM EDT, 3 hours 31 minutes before
NCZ046-047-080-081-090>094-098-103-200045-

SPECIAL WEATHER STATEMENT...FOR STRONG THUNDERSTORMS
NATIONAL WEATHER SERVICE NEWPORT-MOREHEAD CITY NC
748 PM EDT FRI APR 19 2002

...STRONG THUNDERSTORMS WILL AFFECT ONSLOW...MAINLAND HYDE...
CRAVEN...LENOIR...JONES...DUPLIN...PAMLICO...BEAUFORT...MAINLAND
DARE...OUTER BANKS DARE AND TYRRELL COUNTIES UNTIL 845 PM EDT...

AT 745 PM EDT...THERE WERE STRONG THUNDERSTORMS FROM 17 MILES
NORTHWEST OF MANNS HARBOR TO 23 MILES WEST OF WARSAW...MOVING EAST
AT 20 MPH. THE STRONG THUNDERSTORMS WILL BE NEAR JASPER AT 750 PM
EDT...SLADESVILLE AT 755 PM EDT...POTTERS HILL AT 800 PM EDT...
MASHOES AT 805 PM EDT...TRENTON AT 810 PM EDT...MAGNOLIA AT 815 PM
EDT. OTHER LOCATIONS TO BE AFFECTED BY THE STORMS INCLUDE BAYBORO...
BEULAVILLE...ENGELHARD...KENANSVILLE...MANTEO...NAGS HEAD...NEW BERN
AND SWANQUARTER.

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.

JBM
Local storm report, Apr 19, 9:40 PM EDT, 1 hour 39 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY, NC
940 PM EDT FRI APR 19 2002

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

0748 PM    ALLIGATOR RIVER BRIDGE    NC   68 MPH TSTM WIND GUST
04/19/02   TYRRELL                        REPORTED BY BRIDGE TENDER
Special weather statement, Apr 19, 10:39 PM EDT, 40 minutes before
NCZ098-200330-

SPECIAL WEATHER STATEMENT...FOR STRONG THUNDERSTORMS
NATIONAL WEATHER SERVICE NEWPORT-MOREHEAD CITY NC
1039 PM EDT FRI APR 19 2002

...STRONG STORMS WILL AFFECT ONSLOW COUNTY UNTIL 1130 PM EDT...

AT 1038 PM EDT...THERE WERE STRONG THUNDERSTORMS 20 MILES WEST OF
JACKSONVILLE...MOVING SOUTHEAST AT 15 MPH. THE STRONG THUNDERSTORMS
WILL BE NEAR HAWS RUN AT 1105 PM EDT...VERONA AT 1125 PM EDT...DIXON
AT 1130 PM EDT. OTHER LOCATIONS TO BE AFFECTED BY THE STORMS INCLUDE
FOLKSTONE...HOLLY RIDGE...NEW RIVER AIR STATION AND SNEADS FERRY.

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.

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

MC

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 19, 8:11 PM EDTSpecial Marine WarningMHX64 min
Apr 19, 8:55 PM EDTSpecial Marine WarningMHX65 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.