Alert archive / North Carolina / Severe Thunderstorm Warnings in 2006
Severe Thunderstorm Warning 334, NWS Raleigh, NC
NWS Raleigh, NC issued this severe thunderstorm warning at Jul 19, 2006, 3:27 PM EDT for Chatham 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 19, 2006, 3:27 PM EDT (19:27 UTC)
- Expired
- Jul 19, 2006, 4:15 PM EDT
- In force
- 48 min
- Issued by
- NWS Raleigh, NC
- Area
- Counties, with a storm outline in the text
County Chatham County, NC
The radar
The Raleigh/Durham radar (KRAX), 69 km from the middle of the area, began a volume at 19:29 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, 7.5 hours before the alert went out and 72 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
- 1012 J/kg
- Mixed-layer CIN
- -73 J/kg
- Mixed-layer LCL
- 1206 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- -22 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 19, 2:51 PM EDT, 36 minutes earlier.
Area forecast discussion, Jul 19, 2:51 PM EDT, 36 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE RALEIGH NC 251 PM EDT WED JUL 19 2006 .SHORT TERM /TONIGHT THROUGH FRIDAY NIGHT/... STRONG STORMS POPPED UP IN THE WEAK CONVERGENCE ZONE ACROSS THE CENTRAL CWFA. WILL BE UPPING POPS THROUGH THE EVENING. LINGERING NOISE IN MODEL OUTPUT PRODUCE SPURRIOUS BULLSEYES OVER CENTRAL CWFA OVERNIGHT...BUT WITH CONVECTION BEING DIURNALLY DRIVEN...WILL HOLD OFF ON POPS UNTIL TOMORROW AFTERNOON. UPPER RIDGE OVER THE CENTRAL CONUS WILL CONTINUE TO EXTEND EAST ACROSS THE AREA...DEFLECTING SHORT WAVE ENERGY NORTH OF THE AREA...BUT CONTINUING THE WARM TREND. MEANWHILE...THE BERMUDA HIGH REASSERTS ITSELF WITH SOUTHWEST FLOW BEING REESTABLISHED AHEAD OF THE APPROACHING FRONT. DIURNAL POP CHANCE FOR TSRA AGAIN FRIDAY AND CONTINUING INTO THE WEEKEND. TEMPS 90 TO 95 BOTH THU AND FRI. && .LONG TERM /SATURDAY THROUGH WEDNESDAY/... UPPER TROUGH SLIDING OVER EASTERN CONUS OVER THE WEEKEND. MODELS DIFFER ON AMPLIFICATION OF EAST COAST TROUGH...GFS MORE AMPLIFIED THAN NAM. OTHER MEDIUM RANGE MODELS LEAN TOWARD GFS CAMP. AT THE SURFACE...COLD FRONT MOVES INTO SOUTHEAST MID ATLC LATE SATURDAY INTO SUNDAY. THUS SUNDAY LOOKS TO BE BEST CHANCE FOR CONVECTIVE ACTIVITY. HAVE MODIFIED HPC GUIDANCE AND KEPT IN THE CHANCE CATEGORY. THINK GFS MAY BE TOO FAST ON MOVING FRONT THROUGH ON SUNDAY. CONTINUE MENTION OF MAINLY DIURNAL CONVECTION THROUGH THE FIRST HALF OF NEXT WEEK. TEMPERATURES AROUND OR COUPLE DEGREES ABOVE NORMAL...EXCEPT SLIGHTLY BELOW SUNDAY WITH MORE CLOUDS AND BETTER CHANCE FOR SHOWERS AND STORMS. && .AVIATION... SCATTERED CU FIELD INCREASING AS AFTERNOON PROGRESSES ESPECIALLY EAST/SOUTHEAST SECTIONS. SCT LAYERS 5-6KFT. VSBYS GENERALLY UNRESTRICTED EXCEPT VSBYS 4-6 MI HAZE FAY VICINITY. ISOLATED SHOWERS...POSSIBLY THUNDER DEVELOPING BRIEFLY LOWERING CIGS 4-5KFT. WILL MENTION CB AT ALL TAF SITES THROUGH 00Z. PATCHY FOG DEVELOPING ALL SITES 09Z THROUGH 13Z...OCNLY LOWERING VSBYS 3-5 MILES EXCEPT POTENTIAL IFR CONDITIONS RWI/FAY SITES. SCATTERED CU AROUND 5KFT DEVELOPING ALL TAF SITES BY END OF TAF PERIOD. && .RAH WATCHES/WARNINGS/ADVISORIES... NONE. && SHORT TERM...MLM LONG TERM...RA AVIATION...RA
Hazardous weather outlook, Jul 19, 5:55 AM EDT, 9 hours 32 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE RALEIGH NC 555 AM EDT WED JUL 19 2006 NCZ007>011-021>028-038>043-073>078-083>086-088-089-201000- 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- 555 AM EDT WED JUL 19 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL NORTH CAROLINA. .DAY ONE...TODAY AND TONIGHT BERYL IS NOT A PLAYER IN CENTRAL NORTH CAROLINA WEATHER. A FEW EASTERN LOCATIONS WILL SEE HEAT INDICES OF 100 TO 103 FOR A FEW HOURS THIS AFTERNOON. OTHERWISE 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 WILL NOT BE NEEDED.
In the hours before
Special weather statement, Jul 19, 2:19 PM EDT, 1 hour 8 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RALEIGH NC 219 PM EDT WED JUL 19 2006 NCZ025-041-191930- DURHAM-WAKE- INCLUDING THE CITIES OF...DURHAM...RALEIGH 219 PM EDT WED JUL 19 2006 A CLUSTER OF STRONG THUNDERSTORMS OVER SOUTHERN GRANVILLE COUNTY WILL BE SPREADING SOUTH INTO NORTHERN DURHAM AND WAKE COUNTIES THROUGH 300 PM. WINDS GUSTING 40 TO 50 MPH...VERY HEAVY RAIN...AND POSSIBLY SOME HAIL IS POSSIBLE FROM THESE STORMS. SOME LOCATIONS WHICH WILL BE AFFECTED INCLUDE BUTNER...ROUGEMONT... GORMAN...AND THE FALLS LAKE AREA. BOATERS ON FALLS LAKE SHOULD SEEK HARBOR AS THESE STORMS APPROACH. OTHERS INVOLVED IN OUTDOOR ACTIVITIES SHOULD SEEK SHELTER INDOORS.
Local storm report, Jul 19, 2:21 PM EDT, 1 hour 6 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
221 PM EDT WED JUL 19 2006
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0200 PM TSTM WND DMG STEM 36.20N 78.72W
07/19/2006 GRANVILLE NC DEPT OF HIGHWAYS
DEPARTMENT OF HIGHWAYS REPORTED TREES DOWN AND BLOCKING
ROADS IN STEM AND CORNWALL.
&&
REULocal storm report, Jul 19, 2:49 PM EDT, 38 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 |
|---|---|---|---|---|
| Jul 19, 1:54 PM EDT | Severe Thunderstorm Warning | RAH | Granville | 51 min |
| Jul 19, 2:29 PM EDT | Severe Thunderstorm Warning | RAH | Durham, Wake | 61 min |
| Jul 19, 2:34 PM EDT | Severe Thunderstorm Warning | RAH | Richmond | 41 min |
| Jul 19, 2:45 PM EDT | Severe Thunderstorm Warning | RAH | Moore | 60 min |
| Jul 19, 3:08 PM EDT | Severe Thunderstorm Warning | RAH | Granville, Person | 52 min |
| Jul 19, 3:24 PM EDT | Severe Thunderstorm Warning | RAH | Anson | 51 min |
| Jul 19, 3:41 PM EDT | Severe Thunderstorm Warning | RAH | Vance | 49 min |
| Jul 19, 4:07 PM EDT | Severe Thunderstorm Warning | RAH | Cumberland, Harnett | 38 min |
| Jul 19, 4:09 PM EDT | Severe Thunderstorm Warning | RAH | Warren | 51 min |
| Jul 19, 4:17 PM EDT | Severe Thunderstorm Warning | RAH | Chatham | 23 min |
| Jul 19, 4:32 PM EDT | Severe Thunderstorm Warning | RAH | Richmond | 43 min |
| Jul 19, 5:01 PM EDT | Severe Thunderstorm Warning | RAH | Hoke | 44 min |
| Jul 19, 5:05 PM EDT | Severe Thunderstorm Warning | RAH | Halifax | 40 min |
| Jul 19, 5:10 PM EDT | Severe Thunderstorm Warning | RAH | Nash | 50 min |
| Jul 19, 5:33 PM EDT | Severe Thunderstorm Warning | RAH | Moore | 27 min |
| Jul 19, 5:45 PM EDT | Severe Thunderstorm Warning | RAH | Hoke | 30 min |
| Jul 19, 5:52 PM EDT | Severe Thunderstorm Warning | RAH | Guilford | 38 min |
| Jul 19, 5:58 PM EDT | Severe Thunderstorm Warning | RAH | Nash | 32 min |
| Jul 19, 6:31 PM EDT | Severe Thunderstorm Warning | RAH | Guilford | 32 min |
| Jul 19, 6:41 PM EDT | Severe Thunderstorm Warning | RAH | Johnston | 34 min |
| Jul 19, 7:15 PM EDT | Severe Thunderstorm Warning | RAH | Johnston | 26 min |
| Jul 19, 7:20 PM EDT | Severe Thunderstorm Warning | RAH | Forsyth | 40 min |
Nearby
Severe Thunderstorm Warnings in North Carolina, 2006Every severe thunderstorm warning in 2006
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.