Alert archive / North Carolina / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 267, NWS Raleigh, NC
NWS Raleigh, NC issued this severe thunderstorm warning at Aug 5, 2009, 2:48 PM EDT for Harnett County, Johnston County, Wake County, North Carolina. It was in force for 42 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, 2:48 PM EDT (18:48 UTC)
- Expired
- Aug 5, 2009, 3:30 PM EDT
- In force
- 42 min
- Issued by
- NWS Raleigh, NC
- Area
- Storm-based polygon
Counties Harnett County, NC, Johnston County, NC, Wake County, NC
The radar
The Raleigh/Durham radar (KRAX), 17 km from the middle of the area, began a volume at 18:48 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, 6.8 hours before the alert went out and 128 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, 48 minutes earlier.
Area forecast discussion, Aug 5, 2:00 PM EDT, 48 minutes before
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</html>Hazardous weather outlook, Aug 5, 11:00 AM EDT, 3 hours 48 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, 2:00 PM EDT, 48 minutes before
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</html>Local storm report, Aug 5, 2:05 PM EDT, 43 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
205 PM EDT WED AUG 05 2009
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0159 PM TSTM WND DMG 1 WNW SANFORD 35.48N 79.19W
08/05/2009 LEE NC COUNTY OFFICIAL
TREE DOWN ON POWER LINE.
&&
TDHLocal storm report, Aug 5, 2:07 PM EDT, 41 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
207 PM EDT WED AUG 05 2009
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0154 PM TSTM WND DMG 2 W SANFORD 35.48N 79.22W
08/05/2009 LEE NC COUNTY OFFICIAL
TREE DOWN.
&&
TDHLocal storm report, Aug 5, 2:12 PM EDT, 36 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
212 PM EDT WED AUG 05 2009
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0148 PM TSTM WND DMG 1 SSW MONCURE 35.60N 79.09W
08/05/2009 LEE NC COUNTY OFFICIAL
911 CENTER REPORTED TREE DOWN ON LOWER RIVER ROAD NEAR
MONCURE.
&&
TDHSpecial weather statement, Aug 5, 2:21 PM EDT, 27 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RALEIGH NC 221 PM EDT WED AUG 5 2009 NCZ086-051900- HOKE- 221 PM EDT WED AUG 5 2009 ...A STRONG THUNDERSTORM WILL MOVE ACROSS PARTS OF HOKE COUNTY THROUGH 300 PM EDT... AT 220 PM EDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM OVER SILVER CITY...OR ABOUT 5 MILES NORTH OF RAEFORD...MOVING NORTHEAST AT 10 MPH. AREAS NORTH AND NORTHEAST OF RAEFORD WILL CONTINUE TO BE AFFECTED BY THE THUNDERSTORM THROUGH AT LEAST 3 PM. GUSTY WINDS OF UP TO 50 MPH...VERY HEAVY RAIN AND DANGEROUS CLOUD-TO-GROUND LIGHTNING CAN BE EXPECTED WITH THE STORM. THESE WINDS ARE CAPABLE OF BLOWING LIGHT OBJECTS AROUND. STAY TUNED TO THIS STATION FOR THE LATEST WEATHER INFORMATION. DJF
Special weather statement, Aug 5, 2:22 PM EDT, 26 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RALEIGH NC 222 PM EDT WED AUG 5 2009 NCZ042-051915- JOHNSTON- 222 PM EDT WED AUG 5 2009 ...STRONG THUNDERSTORMS WILL MOVE ACROSS CENTRAL AND NORTHERN JOHNSTON COUNTY THROUGH 300 PM EDT... AT 215 PM EDT...DOPPLER RADAR SHOWED THUNDERSTORMS POPPING UP ACROSS JOHNSTON COUNTY...MOSTLY NORTH OF SMITHFIELD. THESE STORMS WERE MOVING NORTHEAST AROUND 15 MPH. SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE EMIT...CLAYTON...SMITHFIELD AND SELMA. GUSTY WINDS OF 30 TO 40 MPH...SMALL HAIL AND DANGEROUS CLOUD-TO-GROUND LIGHTNING CAN BE EXPECTED WITH THESE THUNDERSTORMS. PEOPLE OUTDOORS SHOULD SEEK SHELTER UNTIL THESE STORMS HAVE PASSED. 13
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, 2:04 PM EDT | Severe Thunderstorm Warning | RAH | Chatham, Harnett, Wake | 56 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, 2:52 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.