Alert archive / North Carolina / Severe Thunderstorm Warnings in 2004
Severe Thunderstorm Warning 4, NWS Newport/Morehead City, NC
NWS Newport/Morehead City, NC issued this severe thunderstorm warning at Apr 13, 2004, 11:49 AM EDT for Onslow County, North Carolina. It was in force for 41 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Apr 13, 2004, 11:49 AM EDT (15:49 UTC)
- Expired
- Apr 13, 2004, 12:30 PM EDT
- In force
- 41 min
- Issued by
- NWS Newport/Morehead City, NC
- Area
- Counties, with a storm outline in the text
County Onslow County, NC
The radar
The Morehead City radar (KMHX), 60 km from the middle of the area, began a volume at 15:49 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.
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
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 13, 10:35 AM EDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Newport, NC (KMHX), launched 12:00Z, 3.8 hours before the alert went out and 60 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.
- Mixed-layer CAPE
- 1252 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 594 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 159 m²/s²
- 0-3 km storm-relative helicity
- 180 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 5.1
The text
As transmitted, in the capitals the NWS used until 2016.
803 WUUS52 KMHX 131549 SVRMHX NCC133-131630- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC 1148 AM EDT TUE APR 13 2004 THE NATIONAL WEATHER SERVICE IN NEWPORT HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... ONSLOW COUNTY IN EASTERN NORTH CAROLINA * UNTIL 1230 PM EDT * AT 1144 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 8 MILES SOUTH OF NORTH TOPSAIL BEACH...AND MOVING NORTH AT 50 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... FOLKSTONE AROUND 1155 AM EDT... SNEADS FERRY AND DIXON AROUND NOON EDT... CAMP LEJEUNE AND NEW RIVER AIR STATION AROUND 1210 PM EDT... JACKSONVILLE AND PINEY GREEN AROUND 1215 PM EDT... HALF MOON AROUND 1220 PM EDT... IF YOU ARE IN THE PATH OF THIS STORM...TAKE COVER IN A STURDY STRUCTURE UNTIL IT PASSES. A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. SEVERE THUNDERSTORMS CAN PRODUCE TORNADOS WITH LITTLE OR NO ADVANCE WARNING. IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM. REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE. LAT...LON 3434 7759 3431 7738 3484 7722 3487 7753 $$ 12
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 13, 9:29 AM EDT, 2 hours 20 minutes earlier.
Area forecast discussion, Apr 13, 9:29 AM EDT, 2 hours 20 minutes before
AREA FORECAST DISCUSSION 930 AM TUE APR 13 2004 WE ARE ALREADY TO FCST VALUES NEAR THE COAST AND ANY PEAKS OF SUNSHINE WILL GIVE US 75-80. THIS MORNINGS MODIFIED SOUNDING USING 77/69 IS RATHER TROUBLESOME WITH CAPE OVER 3000 J/KG, LI OF -9, TOTALS 48, AND WBZ 10.5 K FT. WE WILL BE TAKING AN 18Z SOUNDING TODAY BECAUSE OF POTENTIAL OF SVR WX AND HAVE NOTIFIED SPC. WIDESPREAD SHRA/TSTMS SHOWN ON RADAR WILL BE MOVING INTO TO OUR CWA BY 11 AM FROM THE S-SW. WILL MAKE SOME ADJUSTMENTS MAINLY TO TEMPS. .MARINE...WINDS ARE A LIGHTER THAN FCST BUT EXPECT THEM TO INCREASE TO FCST VALUES BY NOON OR SHORTLY THEREAFTER. NO MAJOR CHANGES WILL BE MADE TO CURRENT FCST. ...HIGH RIP CURRENT THREAT TODAY... THE COMBINATION OF STRONG WINDS 20-25KT AND 9 SEC 10FT SEAS WILL PRODUCE DANGEROUS RIP CURRENT CONDITIONS TODAY ALONG AREA BEACHES. .MHX WATCHES/WARNINGS/ADVISORIES... NC...SCA ALL COASTAL WATERS AND SOUNDS. HIGH RIP CURRENT THREAT FOR ALL WATERS. WS
Hazardous weather outlook, Apr 13, 5:03 AM EDT, 6 hours 46 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC 503 AM EDT TUE APR 13 2004 NCZ029-044>047-079>081-090>095-098-103-104-140901- BEAUFORT NC-CARTERET NC-CRAVEN NC-DUPLIN NC-GREENE NC-JONES NC- LENOIR NC-MAINLAND DARE NC-MAINLAND HYDE NC-MARTIN NC-ONSLOW NC- OUTER BANKS DARE NC-OUTER BANKS HYDE NC-PAMLICO NC-PITT NC- TYRRELL NC-WASHINGTON NC- INCLUDING THE CITIES OF...ATLANTIC BEACH...BAYBORO...BEAUFORT... BELHAVEN...BEULAVILLE...BUXTON...CEDAR ISLAND...COLUMBIA...DUCK... EMERALD ISLE...ENGELHARD...FRISCO...GREENVILLE...HARKERS ISLAND... HATTERAS VILLAGE...HAVELOCK...JACKSONVILLE...KENANSVILLE... KILL DEVIL HILLS...KINSTON...KITTY HAWK...LA GRANGE...MANNS HARBOR... MANTEO...MOREHEAD CITY...NAGS HEAD...NEW BERN... NORTH TOPSAIL BEACH...OCRACOKE...ORIENTAL...PLYMOUTH...SNOW HILL... SWANQUARTER...SWANSBORO...TRENTON...WALLACE...WARSAW... WASHINGTON AND WILLIAMSTON 503 AM EDT TUE APR 13 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN NORTH CAROLINA. .DAY ONE...TODAY THUNDERSTORMS WILL DEVELOP ACROSS EASTERN NORTH CAROLINA TODAY. SOME STORMS COULD BE SEVERE PRODUCING LARGE HAIL, DAMAGING WINDS, AND FREQUENT LIGHTNING. LOCALIZED HEAVY RAINFALL IS POSSIBLE WITH FLOODING OF LOW LYING AREAS. THERE IS A HIGH THREAT OF RIP CURRENTS ALONG AREA BEACHES TODAY. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED. JAC
In the hours before
Special weather statement, Apr 13, 11:38 AM EDT, 11 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC 1138 AM EDT TUE APR 13 2004 NCZ095-098-131700- CARTERET-ONSLOW- 1138 AM EDT TUE APR 13 2004 ...STRONG THUNDERSTORMS WILL AFFECT ONSLOW AND CARTERET COUNTIES UNTIL 100 PM EDT... AT 1137 AM EDT...THERE WERE STRONG THUNDERSTORMS PRODUCING HEAVY RAIN OVER THE COASTAL WATERS SOUTH OF ONSLOW AND CARTERET COUNTIES. THESE STORMS ARE MOVING RAPIDLY NORTH AND WILL AFFECT CARTERET AND ONSLOW COUNTIES THROUGH 100 PM. LOCATIONS TO BE AFFECTED BY THE STORMS INCLUDE ATLANTIC BEACH...BEAUFORT...MOREHEAD CITY...SWANSBORO...JACKSONVILLE AND SNEEDS FERRY. WIND GUSTS OF 40 TO 50 MPH 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. A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 PM EDT TUESDAY AFTERNOON FOR EASTERN NORTH CAROLINA. STAY TUNED TO NOAA WEATHER RADIO OR OTHER LOCAL MEDIA OUTLETS FOR FURTHER UPDATES ON THE WEATHER SITUATION ACROSS THE AREA. 12
The office that day
Everything else NWS Newport/Morehead City, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 13, 2:00 PM EDT | Special Marine Warning | MHX | 60 min | |
| Apr 13, 2:00 PM EDT | Special Marine Warning | MHX | 60 min | |
| Apr 13, 2:05 PM EDT | Severe Thunderstorm Warning | MHX | Carteret | 40 min |
| Apr 13, 2:25 PM EDT | Special Marine Warning | MHX | 65 min | |
| Apr 13, 2:27 PM EDT | Tornado Warning | MHX | Carteret | 33 min |
Nearby
Severe Thunderstorm Warnings in North Carolina, 2004Every severe thunderstorm warning in 2004
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.