Alert archive / North Carolina / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 349, NWS Raleigh, NC

July 23, 2008Moore County, Richmond County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Jul 23, 2008, 1:01 PM EDT for Moore County, Richmond County, North Carolina. It was in force for 44 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 23, 2008, 1:01 PM EDT (17:01 UTC)
Expired
Jul 23, 2008, 1:45 PM EDT
In force
44 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 17:01 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 23, 12:44 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 5.0 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 2008-07-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 388 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 2008-07-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 50 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
388 J/kg
Mixed-layer CIN
-124 J/kg
Mixed-layer LCL
1090 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
50 m²/s²
0-3 km storm-relative helicity
61 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 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 23, 11:20 AM EDT, 1 hour 41 minutes earlier.

Area forecast discussion, Jul 23, 11:20 AM EDT, 1 hour 41 minutes before
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Hazardous weather outlook, Jul 23, 12:53 PM EDT, 8 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RALEIGH NC
1253 PM EDT WED JUL 23 2008

NCZ007>011-023>028-040>043-075>078-084>086-088-089-240930-
PERSON-GRANVILLE-VANCE-WARREN-HALIFAX-ALAMANCE-ORANGE-DURHAM-
FRANKLIN-NASH-EDGECOMBE-CHATHAM-WAKE-JOHNSTON-WILSON-MOORE-LEE-
HARNETT-WAYNE-RICHMOND-SCOTLAND-HOKE-CUMBERLAND-SAMPSON-
1253 PM EDT WED JUL 23 2008

...SEVERE THUNDERSTORM WATCH 736 IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL NORTH CAROLINA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   SEVERE THUNDERSTORM WATCH.

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

HAZARDOUS WEATHER IS NOT EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTERS ARE ENCOURAGED TO REPORT ANY SEVERE OR
SIGNIFICANT WEATHER ASSOCIATED WITH THE STORMS THIS AFTERNOON AND
THIS EVENING.

NCZ021-022-038-039-073-074-083-240930-
FORSYTH-GUILFORD-DAVIDSON-RANDOLPH-STANLY-MONTGOMERY-ANSON-
1253 PM EDT WED JUL 23 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL NORTH CAROLINA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

SCATTERED TO NUMEROUS THUNDERSTORMS WILL DEVELOP ACROSS THE REGION
THIS AFTERNOON AND CONTINUE WELL INTO THE NIGHT. A FEW OF THE
STORMS MAY BECOME SEVERE THIS AFTERNOON AND EARLY THIS
EVENING...PRODUCING ISOLATED WIND GUSTS UP TO 60 MPH...AND HAIL UP
TO THE SIZE OF QUARTERS. ALL THE STORMS WILL PRODUCE TORRENTIAL
DOWNPOURS WHICH MAY LED TO LOCALIZED FLOODING OF POOR DRAINAGE
AREAS. FINALLY...THE STRONGER STORMS WILL PRODUCE CONTINUOUS TO
EXCESSIVE LIGHTNING STRIKES THIS AFTERNOON AND EARLY THIS EVENING.

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

HAZARDOUS WEATHER IS NOT EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTERS ARE ENCOURAGED TO REPORT ANY SEVERE OR
SIGNIFICANT WEATHER ASSOCIATED WITH THE STORMS THIS AFTERNOON AND
THIS EVENING.

In the hours before

Local storm report, Jul 23, 11:35 AM EDT, 1 hour 26 minutes before
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Local storm report, Jul 23, 11:37 AM EDT, 1 hour 24 minutes before
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Local storm report, Jul 23, 11:40 AM EDT, 1 hour 21 minutes before
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Local storm report, Jul 23, 12:02 PM EDT, 59 minutes before
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Special weather statement, Jul 23, 12:20 PM EDT, 41 minutes before
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Local storm report, Jul 23, 12:31 PM EDT, 30 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 22, 10:28 PM EDTAreal Flood AdvisoryRAHDavidson, Montgomery, Stanly3 hr
Jul 23, 1:21 PM EDTSevere Thunderstorm WarningRAHAnson, Hoke, Moore, Richmond, Scotland54 min
Jul 23, 2:08 PM EDTSevere Thunderstorm WarningRAHJohnston, Sampson41 min
Jul 23, 3:03 PM EDTSevere Thunderstorm WarningRAHHalifax42 min
Jul 23, 3:29 PM EDTAreal Flood AdvisoryRAHCumberland, Harnett2 hr
Jul 23, 3:45 PM EDTAreal Flood AdvisoryRAHWake2 hr
Jul 23, 4:07 PM EDTSevere Thunderstorm WarningRAHFranklin, Granville, Wake38 min
Jul 23, 4:32 PM EDTSevere Thunderstorm WarningRAHFranklin, Vance, Warren58 min
Jul 23, 5:12 PM EDTAreal Flood AdvisoryRAHVance, Warren89 min
Jul 23, 5:25 PM EDTAreal Flood AdvisoryRAHSampson95 min
Jul 23, 6:04 PM EDTSevere Thunderstorm WarningRAHForsyth46 min
Jul 23, 7:50 PM EDTSevere Thunderstorm WarningRAHAlamance, Guilford40 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2008Every severe thunderstorm warning in 2008

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.