Alert archive / North Carolina / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 264, NWS Raleigh, NC
NWS Raleigh, NC issued this severe thunderstorm warning at Aug 5, 2009, 2:04 PM EDT for Chatham County, Harnett County, Wake County, North Carolina. It was in force for 56 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
- Aug 5, 2009, 2:04 PM EDT (18:04 UTC)
- Expired
- Aug 5, 2009, 3:00 PM EDT
- In force
- 56 min
- Issued by
- NWS Raleigh, NC
- Area
- Storm-based polygon
Counties Chatham County, NC, Harnett County, NC, Wake County, NC
The radar
The Raleigh/Durham radar (KRAX), 40 km from the middle of the area, began a volume at 18:06 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 102 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
- 463 J/kg
- Mixed-layer CIN
- -115 J/kg
- Mixed-layer LCL
- 1318 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 84 m²/s²
- 0-3 km storm-relative helicity
- 78 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.7
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 Aug 5, 2:00 PM EDT, 4 minutes earlier.
Area forecast discussion, Aug 5, 2:00 PM EDT, 4 minutes before
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</html>Hazardous weather outlook, Aug 5, 11:00 AM EDT, 3 hours 4 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE RALEIGH NC 1100 AM EDT WED AUG 5 2009 NCZ007>011-021>028-038>043-073>078-083>086-088-089-060930- PERSON-GRANVILLE-VANCE-WARREN-HALIFAX-FORSYTH-GUILFORD-ALAMANCE- ORANGE-DURHAM-FRANKLIN-NASH-EDGECOMBE-DAVIDSON-RANDOLPH-CHATHAM-WAKE- JOHNSTON-WILSON-STANLY-MONTGOMERY-MOORE-LEE-HARNETT-WAYNE-ANSON- RICHMOND-SCOTLAND-HOKE-CUMBERLAND-SAMPSON- 1100 AM EDT WED AUG 5 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL NORTH CAROLINA. .DAY ONE...TODAY AND TONIGHT. SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP LATE TODAY... MAINLY IN THE WEST...AND MOVE EAST OVERNIGHT. THE VERTICAL WIND PROFILE IS NOT STRONGLY SUPPORTIVE OF SEVERE STORMS...BUT ISOLATED STRONGER STORMS MAY BECOME SEVERE...AND DAMAGING WIND GUSTS WOULD BE THE PRIMARY THREAT. THERE IS ALSO A CHANCE THAT SOME LOCATIONS MIGHT HAVE STORMS MOVE REPEATEDLY ACROSS THE AREA...WHICH COULD PRODUCE MINOR FLOODING ON ROADS AND IN LOW LYING AREAS. .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 THESE STORMS. 13
In the hours before
Special weather statement, Aug 5, 1:15 PM EDT, 49 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RALEIGH NC 115 PM EDT WED AUG 5 2009 NCZ083-051800- ANSON- 115 PM EDT WED AUG 5 2009 ...A STRONG THUNDERSTORM WILL MOVE ACROSS ANSON COUNTY THROUGH 200 PM EDT... AT 114 PM EDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM NEAR MORVEN...OR ABOUT 7 MILES SOUTH OF WADESBORO...MOVING NORTHEAST AT 5 MPH. AREAS AROUND MORVEN WILL CONTINUE TO BE AFFECTED THROUGH AT LEAST 2 PM. GUSTY WINDS TO AROUND 40 MPH...SMALL HAIL AND FREQUENT LIGHTNING CAN BE EXPECTED. RAINFALL WILL ALSO BE HEAVY BRIEFLY. MOVE INDOORS WHEN THUNDERSTORMS MOVE NEARBY OR OVERHEAD TO HELP AVOID THE DANGERS OF LIGHTNING. DRIVERS SHOULD BE ON THE LOOKOUT FOR RAPID CHANGES IN VISIBILITY DUE TO BRIEFLY HEAVY RAIN. DJF
Special weather statement, Aug 5, 1:22 PM EDT, 42 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RALEIGH NC 122 PM EDT WED AUG 5 2009 NCZ075-076-051800- LEE-MOORE- 122 PM EDT WED AUG 5 2009 ...A STRONG THUNDERSTORM WILL MOVE ACROSS PARTS OF LEE AND MOORE COUNTIES THROUGH 200 PM EDT... AT 121 PM EDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 5 MILES NORTH OF CARTHAGE...MOVING EAST AT 10 MPH. SOME LOCATIONS AFFECTED BY THIS STORM INCLUDE...TRAMWAY...AND...GUM SPRINGS. GUSTY WINDS OF UP TO 50 MPH...VERY HEAVY RAIN AND FREQUENT LIGHTNING CAN BE EXPECTED WITH THESE STORMS. LIGHT OBJECTS SUCH AS TRASH CANS COULD BE BLOWN ABOUT. MOVE INDOORS WHEN STORMS MOVE NEARBY OR OVERHEAD TO HELP AVOID THE DANGERS OF LIGHTNING. IF DRIVING IN HEAVY RAIN...SLOW DOWN DUE TO POOR VISIBILITY AND PONDING OF WATER ON ROADS. DJF
Special weather statement, Aug 5, 1:31 PM EDT, 33 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RALEIGH NC 131 PM EDT WED AUG 5 2009 NCZ041-042-077-051830- HARNETT-JOHNSTON-WAKE- 131 PM EDT WED AUG 5 2009 ...A STRONG THUNDERSTORM DEVELOPING OVER CENTRAL HARNETT COUNTY WILL MOVE NORTHEAST ACROSS NORTHWESTERN HARNETT AND SOUTHWESTERN JOHNSTON COUNTIES THROUGH 230 PM EDT... AT 130 PM EDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM OVER LILLINGTON...MOVING NORTHEAST AT 15 MPH. SOME LOCATIONS AFFECTED BY THIS STORM INCLUDE...BUIES CREEK...COATS...AND...ANGIER...COATS CROSSROADS. GUSTY WINDS OF 30 TO 40 MPH...SMALL HAIL AND DANGEROUS CLOUD-TO-GROUND LIGHTNING CAN BE EXPECTED WITH THESE THUNDERSTORMS. BLAES
Special weather statement, Aug 5, 2:00 PM EDT, 4 minutes before
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</html>The office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 5, 1:38 PM EDT | Severe Thunderstorm Warning | RAH | Lee | 48 min |
| Aug 5, 2:25 PM EDT | Severe Thunderstorm Warning | RAH | Richmond, Scotland | 30 min |
| Aug 5, 2:41 PM EDT | Severe Thunderstorm Warning | RAH | Moore, Richmond | 43 min |
| Aug 5, 2:48 PM EDT | Severe Thunderstorm Warning | RAH | Harnett, Johnston, Wake | 42 min |
| Aug 5, 2:52 PM EDT | Severe Thunderstorm Warning | RAH | Hoke | 38 min |
| Aug 5, 3:00 PM EDT | Severe Thunderstorm Warning | RAH | Johnston, Nash, Wake, Wayne, Wilson | 45 min |
| Aug 5, 3:10 PM EDT | Severe Thunderstorm Warning | RAH | Cumberland, Harnett, Johnston, Sampson | 65 min |
| Aug 5, 3:15 PM EDT | Severe Thunderstorm Warning | RAH | Harnett, Hoke, Lee, Moore | 45 min |
| Aug 5, 3:49 PM EDT | Severe Thunderstorm Warning | RAH | Harnett, Lee | 29 min |
| Aug 5, 4:11 PM EDT | Severe Thunderstorm Warning | RAH | Johnston, Sampson, Wayne | 64 min |
| Aug 5, 4:28 PM EDT | Severe Thunderstorm Warning | RAH | Sampson | 47 min |
| Aug 5, 5:13 PM EDT | Severe Thunderstorm Warning | RAH | Granville, Vance | 47 min |
| Aug 5, 5:22 PM EDT | Severe Thunderstorm Warning | RAH | Sampson | 14 min |
| Aug 5, 5:48 PM EDT | Areal Flood Advisory | RAH | Granville, Vance | 3 hr |
| Aug 5, 5:54 PM EDT | Flash Flood Warning | RAH | Granville, Vance | 115 min |
| Aug 5, 6:12 PM EDT | Areal Flood Advisory | RAH | Halifax, Warren | 3 hr |
| Aug 5, 6:17 PM EDT | Severe Thunderstorm Warning | RAH | Guilford, Randolph | 43 min |
| Aug 5, 6:35 PM EDT | Flash Flood Warning | RAH | Halifax, Warren | 91 min |
| Aug 5, 6:37 PM EDT | Severe Thunderstorm Warning | RAH | Davidson | 26 min |
| Aug 5, 6:38 PM EDT | Severe Thunderstorm Warning | RAH | Edgecombe, Wilson | 36 min |
| Aug 5, 6:57 PM EDT | Severe Thunderstorm Warning | RAH | Alamance, Guilford | 51 min |
| Aug 5, 7:09 PM EDT | Severe Thunderstorm Warning | RAH | Anson, Stanly | 66 min |
| Aug 5, 7:22 PM EDT | Severe Thunderstorm Warning | RAH | Stanly | 53 min |
| Aug 5, 7:57 PM EDT | Severe Thunderstorm Warning | RAH | Montgomery, Richmond | 78 min |
Nearby
Severe Thunderstorm Warnings in North Carolina, 2009Every severe thunderstorm warning in 2009
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.