Alert archive / North Carolina / Areal Flood Advisories in 2014

Areal Flood Advisory 21, NWS Newport/Morehead City, NC

August 21, 2014Carteret County, Craven County, North Carolina

NWS Newport/Morehead City, NC issued this areal flood advisory at Aug 21, 2014, 2:04 PM EDT for Carteret County, Craven County, North Carolina. It was in force for 86 min.

The area

The counties it named.

The facts

Issued: Aug 21, 2014, 2:04 PM EDT (18:04 UTC)
Expired: Aug 21, 2014, 3:30 PM EDT
In force: 86 min
Issued by: NWS Newport/Morehead City, NC
Area: Storm-based polygon

Counties Carteret County, NC, Craven County, NC

The radar

The Morehead City radar (KMHX), 25 km from the middle of the area, began a volume at 18:03 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

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 6.1 hours before the alert went out and 305 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1787 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: -11 m²/s²
0-3 km storm-relative helicity: -29 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this areal flood advisory 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 areal flood advisory went out at Aug 21, 11:52 AM EDT, 2 hours 12 minutes earlier.

Area forecast discussion, Aug 21, 11:52 AM EDT, 2 hours 12 minutes before

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Hazardous weather outlook, Aug 21, 3:37 AM EDT, 10 hours 27 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
337 AM EDT THU AUG 21 2014

NCZ029-044>047-079>081-090>095-098-103-104-220745-
MARTIN-PITT-WASHINGTON-TYRRELL-MAINLAND DARE-GREENE-BEAUFORT-
MAINLAND HYDE-DUPLIN-LENOIR-JONES-CRAVEN-PAMLICO-CARTERET-ONSLOW-
OUTER BANKS DARE-OUTER BANKS HYDE-
337 AM EDT THU AUG 21 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN NORTH CAROLINA.

.DAY ONE...TODAY AND TONIGHT.

HOT AND HUMID TODAY WITH HEAT INDEX VALUES AROUND 100 DEGREES THIS
AFTERNOON FOR MANY LOCATIONS ACROSS EASTERN NORTH CAROLINA.

ISOLATED STRONG THUNDERSTORMS WILL BE POSSIBLE THIS AFTERNOON
THROUGH TONIGHT WITH GUSTY WINDS AND HEAVY RAIN.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Special weather statement, Aug 21, 9:21 AM EDT, 4 hours 43 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
921 AM EDT THU AUG 21 2014

NCZ045-046-081-211415-
MAINLAND HYDE-TYRRELL-WASHINGTON-
921 AM EDT THU AUG 21 2014

...SHOWERS AND THUNDERSTORMS WILL MOVE ACROSS TYRRELL...WASHINGTON
AND MAINLAND HYDE COUNTIES THROUGH 1015 AM EDT...

AT 920 AM EDT...DOPPLER RADAR INDICATED SHOWERS AND THUNDERSTORMS
WITH VERY HEAVY RAIN OVER CENTER OF PHELPS LAKE...OR ABOUT 12 MILES
EAST OF PLYMOUTH...MOVING EAST AT 10 MPH.

SOME LOCATIONS IMPACTED INCLUDE...CENTER OF PHELPS LAKE...
SCUPPERNONG...CRESWELL...WOODLEY.

HAZARDS INCLUDE...
GUSTY WINDS OF 30 TO 40 MPH.

DEADLY CLOUD TO GROUND LIGHTNING.

HEAVY RAINFALL AND MINOR FLOODING.

IF YOU SEE LIGHTNING OR HEAR THUNDER...YOU ARE AT RISK. TAKE SHELTER
INDOORS IMMEDIATELY. IF YOU CANNOT FIND SHELTER IN A BUILDING A
VEHICLE PROVIDES SAFETY FROM LIGHTNING.

&&

LAT...LON 3600 7613 3578 7609 3549 7633 3574 7662
      3595 7661 3595 7654 3599 7639 3594 7636
      3595 7635 3595 7633 3597 7629 3599 7625
      3600 7617
TIME...MOT...LOC 1320Z 271DEG 10KT 3583 7653

29

Special weather statement, Aug 21, 10:42 AM EDT, 3 hours 22 minutes before

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Special weather statement, Aug 21, 11:50 AM EDT, 2 hours 14 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 21, 9:21 AM EDT	Special Weather Statement	MHX	Tyrrell, Washington	54 min
Aug 21, 10:42 AM EDT	Special Weather Statement	MHX	Dare, Hyde	33 min
Aug 21, 11:50 AM EDT	Special Weather Statement	MHX	Dare	40 min
Aug 21, 2:11 PM EDT	Special Weather Statement	MHX	Carteret	64 min
Aug 21, 3:28 PM EDT	Special Weather Statement	MHX	Hyde	62 min
Aug 21, 4:33 PM EDT	Special Weather Statement	MHX	Onslow	27 min

Nearby

Areal Flood Advisories in North Carolina, 2014 Every areal flood advisory in 2014

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.