Alert archive / North Carolina / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 34, NWS Newport/Morehead City, NC

July 5, 2002Martin County, North Carolina

NWS Newport/Morehead City, NC issued this severe thunderstorm warning at Jul 5, 2002, 5:43 PM EDT for Martin County, North Carolina. It was in force for 32 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
Jul 5, 2002, 5:43 PM EDT (21:43 UTC)
Expired
Jul 5, 2002, 6:15 PM EDT
In force
32 min
Issued by
NWS Newport/Morehead City, NC
Area
Whole counties

County Martin County, NC

The radar

The Morehead City radar (KMHX), 120 km from the middle of the area, began a volume at 21:43 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 watch it was issued in

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

IssuedProductOfficeLasted
Jul 5, 2:15 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 9.7 hours before the alert went out and 262 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, Roanoke, VA at 12:00Z on 2002-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1258 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, Roanoke, VA at 12:00Z on 2002-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 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
1258 J/kg
Mixed-layer CIN
-82 J/kg
Mixed-layer LCL
1019 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
44 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.

046 
WUUS52 KMHX 052143
SVRMHX
NCC117-052215-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEWPORT-MOREHEAD CITY NC
542 PM EDT FRI JUL 5 2002

THE NATIONAL WEATHER SERVICE IN NEWPORT HAS ISSUED A

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

* UNTIL 615 PM EDT

* AT 542 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
SEVERE THUNDERSTORM JUST NORTHWEST OF OAK CITY...OR ABOUT 9 MILES 
SOUTHEAST OF SCOTLAND NECK...MOVING SOUTH AT 10 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
   OAK CITY AT 600 PM EDT.

 OTHER LOCATIONS IN THE WARNING INCLUDE GOLD POINT...HASSELL AND
  ROBERSONVILLE.

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 3609 7721 3612 7743 3584 7750 3581 7723

6

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 Jul 5, 2:30 PM EDT, 3 hours 13 minutes earlier.

Area forecast discussion, Jul 5, 2:30 PM EDT, 3 hours 13 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
230 PM EDT FRI JUL 5 2002

OVERVIEW: LEADING EDGE OF FRONTAL BOUNDARY APPROACHING THE ALBEMARLE SOUND.
AHEAD OF THE FRONT...AIRMASS IS OPPRESSIVE AS OUR HEAT INDICES HAVE BEEN IN
THE 105 TO 110 DEGREE RANGE WITH TEMPS IN THE LOW/MIDDLE 90S AND DEWPOINTS IN
THE MIDDLE TO UPPER 70S. INSTABILITY IS IMPRESSIVE WITH LAPS/MSAS FIELDS
INDICATING LIS AS LOW AS -10 WITH CAPES NEAR 4000 J/KG. EXPECT SOME CONVECTIVE
INITIATION AHEAD OF FRONT THIS EVENING AND TONIGHT. THE CURRENT 40 PCT POP
WILL PROBABLY COVER THE ACTIVITY WELL. COULD CERTAINLY SEE SOME SVR GIVEN THE
INSTABILITY.

SHORT TERM: FOLLOWING THE SCT TSTMS WITH THE FROPA TONIGHT...EXPECT A MUCH MORE
PLEASANT AIRMASS TO ENSUE FOR THE WEEKEND AS STRONG HIGH PRES OVER THE GREAT
LAKES RIDGES DOWN THE EAST COAST. DEWPOINTS WILL DROP INTO THE MIDDLE 60S ON
SATURDAY WITH TEMPS ABOUT 10 DEG COOLER.

EXTENDED: BERMUDA HIGH PRES PATTERN SETS UP FOR EARLY NEXT WEEK WITH SOME WEAK
RIPPLES IN A VERY WEAK UPPER FLOW PATTERN. NEXT CHC OF PRECIP LATE DURING
NEXT WEEK AS SHORTWAVE ENERGY DIVES SOUTH WED THRU FRI.

MARINE: AT 17Z...TROF WAS LOCATED INLAND WITH FRNTL BNDRY FARTHER N
ACROSS THE NC/VA BORDER. ETA/AVN STILL SHOWING DIFFS IN TIMING
ACTUAL FRNTL BNDRY WIND SHIFT...WITH THE AVN BEING SLIGHTLY FASTER
THAN ETA. THE MAIN DIFFS ARE AROUND 00Z THIS EVENING...BUT WITH
PASSAGE OF ANTICIPATED LATE AFTERNOON TSTMS...WL LEAN CLOSER TO AVN
AND SHIFT WINDS TO N AS FAR SOUTH AS CLKN7 BETWEEN 00-04Z. NE WINDS
THROUGHOUT ALL WTRS BY 12Z SAT...FOLLOWED BY BRIEF WEAK N-NE 15 KT
SURGE SAT MORN THRU EARLY AFTERNOON. HOWEVER...CONDITIONS WL REMAIN
BLO SCA CRITERIA. OTHRWS...FVRBL CONDITIONS WITH NO FLAGS THRU MID
TUE WITH RIDGE BUILDING IN.

.MHX...SVR TSTM WATCH UNTIL 00Z FOR NCZ029-044>047-079>081

FCSTID =  11/17

MHX  73 85 65 88 /  40 00 00 00
EWN  73 85 65 88 /  40 00 00 00
HSE  73 83 69 84 /  40 00 00 00
PGV  72 86 66 89 /  40 00 00 00

PUBLIC/FIRE...COLLINS
MARINE/AVIATION...PETRO

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 5, 6:25 PM EDTSevere Thunderstorm WarningMHXCraven50 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.