Alert archive / North Carolina / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 8, NWS Newport/Morehead City, NC

May 12, 2001Duplin County, North Carolina

NWS Newport/Morehead City, NC issued this severe thunderstorm warning at May 12, 2001, 5:29 PM EDT for Duplin County, North Carolina. It was in force for 31 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: May 12, 2001, 5:29 PM EDT (21:29 UTC)
Expired: May 12, 2001, 6:00 PM EDT
In force: 31 min
Issued by: NWS Newport/Morehead City, NC
Area: Whole counties

County Duplin County, NC

What was reported inside it

Time	Report	Where	Remark
May 12, 5:36 PM EDT	Thunderstorm Wind 55 E	Bowdens, NC	Numerous trees blown down with minor damage to cars and roofs.

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 nearest sounding before it

Newport, NC (KMHX), launched 12:00Z, 9.5 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: 195 J/kg
Mixed-layer CIN: -132 J/kg
Mixed-layer LCL: 1230 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: -10 m²/s²
0-3 km storm-relative helicity: 27 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.

805 
WUUS52 KMHX 122130
SVRMHX
NCC061-122200-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEWPORT-MOREHEAD CITY NC
529 PM EDT SAT MAY 12 2001

THE NATIONAL WEATHER SERVICE IN NEWPORT HAS ISSUED A

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

* UNTIL 600 PM EDT

* AT 529 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER BOWDENS...OR ABOUT 5 MILES NORTHWEST OF
  WARSAW...MOVING EAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
   WARSAW AT 535 PM EDT.
   BEAUTANCUS AT 545 PM EDT.

LARGE HAIL IS LIKELY WITH THIS SEVERE THUNDERSTORM. IF YOU ARE IN THE
PATH OF THE STORM...PUT YOUR CAR IN A GARAGE AND MOVE TO A
SUBSTANTIAL SHELTER.

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

$$

LAT...LON 3512 7827 3495 7821 3502 7776 3524 7783

13

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 May 12, 1:50 PM EDT, 3 hours 39 minutes earlier.

Area forecast discussion, May 12, 1:50 PM EDT, 3 hours 39 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
150 PM EDT SAT MAY 12 2001

THE 17Z SFC ANALYSIS SHOWED THE LEE SIDE TROF ACROSS THE WRN
PIEDMONT WITH THE ACTUAL COLD FRONTAL BOUNDARY MOVING ACROSS THE
TENN VALLEY. MODELS IN GOOD AGREEMENT IN MOVING THIS BOUNDARY
OFFSHORE BETWEEN 06Z AND 12Z SUNDAY. IN THE WARM AND UNSTABLE
AIRMASS AHEAD OF THE FRONT WITH LIS IN THE -3 TO -6 RANGE
CURRENTLY...EXPECT SOME SCATTERED SHOWER/TSTM ACTIVITY THRU THE
EVENING HOURS AND PERHAPS HANGING AROUND AFTER MIDNIGHT. THINK
ACROSS THE BOARD 40 PCT POPS SHOULD COVER THE SITUATION AS LOW-LEVEL
MOIST INFLOW IS RATHER LIMITED WITH THE WSW/SW FLOW. USING A BLEND
OF GUIDANCE TEMPS YIELDS MINS TONIGHT IN THE UPPER 50S TO LOWER 6OS.
ON SUNDAY...STG CAA TAKES PLACE AS H8 TEMPS TUMBLE FROM 13C TODAY TO
ABOUT 8C SUNDAY. STILL A PLEASANT DAY AS MAX TEMPS REACH THE LOWER
70S EXCEPT UPPER 60S ON THE OUTER BANKS. WILL FCST PTCLDY ON THE
OUTER BANKS WITH SOME RESIDUAL MOISTURE LIKELY LEFTOVER BEHIND THE
BOUNDARY IN THE MORNING...WITH MOSTLY SUNNY ELSEWHERE. SUNDAY NIGHT
WILL BE UNSEASONABLY COOL AGAIN WITH MINS OVER MOST MAINLAND AREAS
INTO THE UPPER 40S. IN THE EXTND PERIOD...AVN/MRF INDICATE ANOTHER
DECENT FRONT TO AFFECT US IN THE TUES/WEDS TIMEFRAME WITH ANOTHER
SHOT AT NEEDED RAINFALL.

CWF: TOWERS ARE BLOWING AT OR NEAR 25 KT...WHILE BUOYS CLOSER TO
SHORE ARE STILL IN THE 15 TO 20 KT RANGE. 20 TO 25 KT MARGINAL SCA
SHOULD STILL HOLD FOR TONIGHT AHEAD OF THE FRONT. WINDS WILL SHIFT
TO THE N AS THE FRONT COMES THROUGH AFTER MIDNIGHT. AND SHOULD
REMAIN NEAR SCA THRESHOLDS INTO EARLY SUN MORNING...DIMINISHING TO
15 KT DURING THE AFTERNOON.

.MHX...SCA FOR CSTL WATERS AND SOUNDS.

COLLINS/BANDY

The office that day

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

Issued	Product	Office	Counties	Lasted
May 12, 5:41 PM EDT	Severe Thunderstorm Warning	MHX	Greene, Lenoir	49 min
May 12, 6:00 PM EDT	Severe Thunderstorm Warning	MHX	Duplin	45 min
May 12, 6:04 PM EDT	Severe Thunderstorm Warning	MHX	Pitt	41 min
May 12, 6:28 PM EDT	Severe Thunderstorm Warning	MHX	Onslow	47 min
May 12, 6:42 PM EDT	Severe Thunderstorm Warning	MHX	Beaufort	48 min
May 12, 6:49 PM EDT	Severe Thunderstorm Warning	MHX	Washington	41 min
May 12, 6:55 PM EDT	Severe Thunderstorm Warning	MHX	Jones	50 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2001 Every severe thunderstorm warning in 2001

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.