Alert archive / North Carolina / Special Weather Statements in 2016

Special Weather Statement, NWS Raleigh, NC

July 13, 2016Halifax County, Warren County, North Carolina

NWS Raleigh, NC issued this special weather statement at Jul 13, 2016, 6:55 PM EDT for Halifax County, Warren County, North Carolina. It was in force for 65 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
Jul 13, 2016, 6:55 PM EDT (22:55 UTC)
Expired
Jul 13, 2016, 8:00 PM EDT
In force
65 min
Issued by
NWS Raleigh, NC

Counties Halifax County, NC, Warren County, NC

The radar

The Norfolk radar (KAKQ), 96 km from the middle of the area, began a volume at 22:58 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

Roanoke, VA (KRNK), launched 12:00Z, 10.9 hours before the alert went out and 184 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 2016-07-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 144 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 2016-07-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -134 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
144 J/kg
Mixed-layer CIN
-58 J/kg
Mixed-layer LCL
830 m above ground
0-6 km bulk shear
4 kt
0-1 km storm-relative helicity
-134 m²/s²
0-3 km storm-relative helicity
-103 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Raleigh, NC wrote its last area forecast discussion before this special weather statement went out at Jul 13, 6:51 AM EDT, 12 hours 4 minutes earlier.

Area forecast discussion, Jul 13, 6:51 AM EDT, 12 hours 4 minutes before
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Hazardous weather outlook, Jul 13, 2:55 PM EDT, 4 hours before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE RALEIGH NC
255 PM EDT WED JUL 13 2016

NCZ042-077-078-083>086-088-089-141900-
JOHNSTON-HARNETT-WAYNE-ANSON-RICHMOND-SCOTLAND-HOKE-CUMBERLAND-
SAMPSON-
255 PM EDT WED JUL 13 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL NORTH CAROLINA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

HAZARDOUS WEATHER IS NOT EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

HEAT INDICES WILL EXCEED 100 DEGREES THURSDAY AFTERNOON ACROSS
THE SANDHILLS AND SOUTHEAST COASTAL PLAIN. HEAT INDICES MAY
APPROACH OR EXCEED 105 DEGREES FOR SEVERAL HOURS IN SOME AREAS. A
HEAT ADVISORY MAY BE NEEDED FOR PORTIONS OF THE AREA THURSDAY
AFTERNOON...PRIMARILY IN CUMBERLAND...SAMPSON AND WAYNE COUNTIES.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

NCZ007>011-021>028-038>041-043-073>076-141900-
PERSON-GRANVILLE-VANCE-WARREN-HALIFAX-FORSYTH-GUILFORD-ALAMANCE-
ORANGE-DURHAM-FRANKLIN-NASH-EDGECOMBE-DAVIDSON-RANDOLPH-CHATHAM-WAKE-
WILSON-STANLY-MONTGOMERY-MOORE-LEE-
255 PM EDT WED JUL 13 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL NORTH CAROLINA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

VINCENT

In the hours before

Special weather statement, Jul 13, 5:00 PM EDT, 1 hour 55 minutes before
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Special weather statement, Jul 13, 5:53 PM EDT, 1 hour 2 minutes before
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Special weather statement, Jul 13, 6:20 PM EDT, 35 minutes before
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Special weather statement, Jul 13, 6:55 PM EDT, 0 minutes before
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The office that day

Everything else NWS Raleigh, NC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 12, 8:47 PM EDTSpecial Weather StatementRAHDurham28 min
Jul 12, 8:49 PM EDTSpecial Weather StatementRAHWilson26 min
Jul 12, 9:16 PM EDTSpecial Weather StatementRAHDurham, Wake29 min
Jul 13, 5:00 PM EDTSpecial Weather StatementRAHPerson60 min
Jul 13, 5:53 PM EDTSpecial Weather StatementRAHDurham, Orange52 min
Jul 13, 6:20 PM EDTSpecial Weather StatementRAHRichmond40 min

Nearby

Special Weather Statements in North Carolina, 2016Every special weather statement in 2016

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.