Alert archive / North Carolina / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 1, NWS Newport/Morehead City, NC

March 31, 2001Beaufort County, North Carolina

NWS Newport/Morehead City, NC issued this severe thunderstorm warning at Mar 31, 2001, 9:09 PM EST for Beaufort County, North Carolina. It was in force for 36 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
Mar 31, 2001, 9:09 PM EST (02:09 UTC)
Expired
Mar 31, 2001, 9:45 PM EST
In force
36 min
Issued by
NWS Newport/Morehead City, NC
Area
Whole counties

County Beaufort County, NC

The radar

The Morehead City radar (KMHX), 79 km from the middle of the area, began a volume at 02:12 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, 2.2 hours before the alert went out and 79 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 2001-04-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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 2001-04-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -2 square meters per square second.1939587897Sfc1 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
1 J/kg
Mixed-layer CIN
-89 J/kg
Mixed-layer LCL
1098 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
-2 m²/s²
0-3 km storm-relative helicity
-28 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 010210
SVRMHX
NCC013-010245-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEWPORT-MOREHEAD CITY NC
909 PM EST SAT MAR 31 2001

THE NATIONAL WEATHER SERVICE IN NEWPORT HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN BEAUFORT COUNTY IN EASTERN NORTH CAROLINA

* UNTIL 945 PM EST

* AT 909 PM EST NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 7 MILES WEST OF TERRA CEIA...OR ABOUT 8 MILES
  EAST OF WASHINGTON...MOVING NORTHEAST AT 35 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
   TERRA CEIA AT 920 PM EST.
   PUNGO AT 935 PM EST.

HAIL...INTENSE RAIN AND STRONG DAMAGING WINDS ARE LIKELY WI,TH THIS
STORM. 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.

$$

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 Mar 31, 2:48 PM EST, 6 hours 21 minutes earlier.

Area forecast discussion, Mar 31, 2:48 PM EST, 6 hours 21 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
248 PM EST SAT MAR 31 2001

MODELS VERY CLOSE TODAY AND WILL GO WITH ETA/AVN BLEND. FRONTAL
BOUNDARY HAS REMAINED NEARLY STNRY N OF HAT-PGV LINE THIS AFTN.
MODELS INDICATE SHRT WV MOVING ACROSS AREA TONIGHT WITH SFC WAVE
MOVING E ALONG FRONT...AND FRONT SAGGING TO S NEAR EWN OVERNIGHT AS
WAVE MOVES OFFSHORE. AS STRONG SHRT WV DIVES IN FROM NW SUNDAY...YET
ANOTHER SFC LOW DEVELOPS ON FRONT TO NW AND MOVES E IN
AFTN...CAUSING FRONT TO LIFT N. IF SRN AREAS GET MUCH INSOLATION...
COULD SEE STRONG TSTMS DURING AFTN WITH ETA INDICATING CAPES NEAR
1700 AND LI -3. LINGERING CHC OF SHOWERS SUN EVE...THEN DRYING
CONDITIONS INTO MON.

WAS LEANING TOWARD HIGHER AVN MOS POPS FOR TONIGHT INITIALLY BUT
WITH ONLY SCT ACTVTY CURRENTLY WILL PROBABLY LOWER TO CHC. LIKELY
POPS FOR SUN...THEN CHC SUN EVE EXCEPT LIKELY OUTER BANKS.

MOS TEMPS GENERALLY ACCEPTED EXCEPT WILL GO ABOVE FOR HIGHS SUNDAY.

MARINE:  LOW PRESSURE WILL MOVE OFF THE COAST TONIGHT. SEAS ARE SLOW
TO FALL AT FPSN7 AND AT 17Z THEY WERE STILL 6 FEET. EARLIER THEY
WERE 5 FEET SO TEETERING BETWEEN 5 AND 6 FEET. GRADIENT IS GOING TO
PRODUCE WIND BELOW SCA UNTIL LATE TOMORROW AFTERNOON WHEN STRONG
VORT TRAVERSING SE FROM THE MIDWEST TOMORROW GETS NEAR US. EXPECT
THIS TO TIGHTEN GRADIENT UP AND KICK OUT SFC LOW TO THE NE. AM LEANING
TOWARD DROPPING SCSEC FOR S WATERS BUT WILL MAKE THAT DECISION CLOSER
TO PRESS TIME. WILL HEADLINE SCA SUNDAY AFTERNOON FOR COASTAL WATERS
S OF HATTERAS. N WATERS WILL PROBABLY NEED SCA TOMORROW NIGHT AND
WILL HEADLINE SCA POSSIBLE THERE.

.MHX...NONE.

PUBLIC/FIRE...JBM
MARINE/AVN...WS

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 1, 1:57 PM EDTSevere Thunderstorm WarningMHXOnslow33 min
Apr 1, 2:22 PM EDTSevere Thunderstorm WarningMHXOnslow53 min
Apr 1, 2:40 PM EDTSevere Thunderstorm WarningMHXDuplin50 min
Apr 1, 3:15 PM EDTSevere Thunderstorm WarningMHXOnslow45 min
Apr 1, 3:52 PM EDTSevere Thunderstorm WarningMHXOnslow23 min
Apr 1, 4:16 PM EDTTornado WarningMHXCarteret29 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2001Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.