Alert archive / North Carolina / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 108, NWS Raleigh, NC

July 27, 2013Moore County, Richmond County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Jul 27, 2013, 4:42 PM EDT for Moore County, Richmond County, North Carolina. It was in force for 48 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
Jul 27, 2013, 4:42 PM EDT (20:42 UTC)
Expired
Jul 27, 2013, 5:30 PM EDT
In force
48 min
Issued by
NWS Raleigh, NC
Area
Storm-based polygon

Counties Moore County, NC, Richmond County, NC

The radar

The Raleigh/Durham radar (KRAX), 116 km from the middle of the area, began a volume at 20:42 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, 8.7 hours before the alert went out and 106 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, Greensboro/Hi Pt, NC at 12:00Z on 2013-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 408 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, Greensboro/Hi Pt, NC at 12:00Z on 2013-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 49 square meters per square second.193958Sfc1 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
408 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
654 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
49 m²/s²
0-3 km storm-relative helicity
28 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

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 Raleigh, NC wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 27, 3:05 PM EDT, 1 hour 37 minutes earlier.

Area forecast discussion, Jul 27, 3:05 PM EDT, 1 hour 37 minutes before
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Hazardous weather outlook, Jul 27, 4:05 AM EDT, 12 hours 37 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RALEIGH NC
405 AM EDT SAT JUL 27 2013

NCZ007-008-021>025-038>041-073>077-083>086-088-280815-
PERSON-GRANVILLE-FORSYTH-GUILFORD-ALAMANCE-ORANGE-DURHAM-DAVIDSON-
RANDOLPH-CHATHAM-WAKE-STANLY-MONTGOMERY-MOORE-LEE-HARNETT-ANSON-
RICHMOND-SCOTLAND-HOKE-CUMBERLAND-
405 AM EDT SAT JUL 27 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL NORTH CAROLINA.

.DAY ONE...TODAY AND TONIGHT.

SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP THIS AFTERNOON
THROUGH LATE THIS EVENING ACROSS THE WESTERN PIEDMONT. AN ISOLATED
STORM COULD BECOME SEVERE...WITH A PRIMARY THREAT OF DAMAGING
WINDS.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP SUNDAY AFTERNOON
AND EVENING AS A WEAK COLD FRONT APPROACHES THE MOUNTAINS FROM THE
WEST. A FEW STORMS COULD BECOME SEVERE...WITH A PRIMARY THREAT OF
DAMAGING WINDS AND QUARTER SIZE HAIL.

NCZ009>011-026>028-042-043-078-089-280815-
VANCE-WARREN-HALIFAX-FRANKLIN-NASH-EDGECOMBE-JOHNSTON-WILSON-WAYNE-
SAMPSON-
405 AM EDT SAT JUL 27 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL NORTH CAROLINA.

.DAY ONE...TODAY AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

VINCENT

In the hours before

Special weather statement, Jul 27, 4:05 PM EDT, 37 minutes before
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Special weather statement, Jul 27, 4:06 PM EDT, 36 minutes before
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Special weather statement, Jul 27, 4:22 PM EDT, 20 minutes before
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Special weather statement, Jul 27, 4:33 PM EDT, 9 minutes before
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Local storm report, Jul 27, 4:39 PM EDT, 3 minutes before
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Local storm report, Jul 27, 4:41 PM EDT, 1 minute before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 27, 9:29 AM EDTAreal Flood AdvisoryRAHForsyth3 hr
Jul 27, 12:10 PM EDTSpecial Weather StatementRAHForsyth65 min
Jul 27, 12:31 PM EDTAreal Flood AdvisoryRAHForsyth3 hr
Jul 27, 12:42 PM EDTSpecial Weather StatementRAHForsyth63 min
Jul 27, 12:51 PM EDTFlash Flood WarningRAHForsyth3 hr
Jul 27, 1:06 PM EDTSevere Thunderstorm WarningRAHDavidson, Forsyth54 min
Jul 27, 1:43 PM EDTSpecial Weather StatementRAHAnson, Davidson, Guilford, Stanly47 min
Jul 27, 2:10 PM EDTSevere Thunderstorm WarningRAHDavidson, Montgomery, Randolph, Stanly50 min
Jul 27, 2:29 PM EDTSpecial Weather StatementRAHAnson, Guilford, Montgomery, Randolph, Richmond61 min
Jul 27, 2:52 PM EDTAreal Flood AdvisoryRAHGuilford, Randolph3 hr
Jul 27, 3:16 PM EDTSpecial Weather StatementRAHAlamance59 min
Jul 27, 3:30 PM EDTSpecial Weather StatementRAHChatham60 min
Jul 27, 3:36 PM EDTSpecial Weather StatementRAHMontgomery54 min
Jul 27, 3:52 PM EDTSpecial Weather StatementRAHRichmond38 min
Jul 27, 4:05 PM EDTSpecial Weather StatementRAHOrange55 min
Jul 27, 4:06 PM EDTSpecial Weather StatementRAHRichmond39 min
Jul 27, 4:22 PM EDTSpecial Weather StatementRAHMoore53 min
Jul 27, 4:27 PM EDTSevere Thunderstorm WarningRAHMoore48 min
Jul 27, 4:33 PM EDTSpecial Weather StatementRAHPerson27 min
Jul 27, 4:59 PM EDTSpecial Weather StatementRAHPerson46 min
Jul 27, 7:04 PM EDTSpecial Weather StatementRAHWarren56 min
Jul 27, 7:15 PM EDTSpecial Weather StatementRAHJohnston, Wake60 min
Jul 27, 7:47 PM EDTSpecial Weather StatementRAHJohnston, Wilson58 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2013Every severe thunderstorm warning in 2013

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.