Alert archive / North Carolina / Mesoscale Discussions in 2005
Mesoscale Discussion 101
The Storm Prediction Center issued this mesoscale discussion at Jan 14, 2005, 10:23 AM EST for Craven County, North Carolina. It was in force for 67 min.
The area
The outline as issued.
The facts
- Issued
- Jan 14, 2005, 10:23 AM EST (15:23 UTC)
- Expired
- Jan 14, 2005, 11:30 AM EST
- In force
- 67 min
- Issued by
- the Storm Prediction Center
County Craven County, NC
The radar
The Morehead City radar (KMHX), 44 km from the middle of the area, began a volume at 15:27 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
Newport, NC (KMHX), launched 12:00Z, 3.4 hours before the alert went out and 44 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
- 31 J/kg
- Mixed-layer CIN
- -91 J/kg
- Mixed-layer LCL
- 815 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 118 m²/s²
- 0-3 km storm-relative helicity
- 187 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 ACUS11 KWNS 141524 SWOMCD SPC MCD 141523 NCZ000-141630- MESOSCALE DISCUSSION 0101 NWS STORM PREDICTION CENTER NORMAN OK 0923 AM CST FRI JAN 14 2005 AREAS AFFECTED...SE VA...ERN NC CONCERNING...TORNADO WATCH 18... VALID 141523Z - 141630Z REMAINING VALID PORTION OF WW 18 WILL BE ALLOWED TO EXPIRE AS SCHEDULED AT 16Z. MAIN SURFACE COLD FRONT EXTENDS ACROSS THE SOUTHERN DELMARVA INTO THE WESTERN CAROLINAS...WHERE IT IS JUST NOW SURGING ACROSS THE LEE SLOPES OF THE SOUTHERN APPALACHIANS. HOWEVER...MOST VIGOROUS ONGOING CONVECTIVE DEVELOPMENT IS FOCUSED ON PRE-FRONTAL CONFLUENCE/ WIND SHIFT ASSOCIATED WITH WEAK UPPER IMPULSE EMBEDDED WITHIN STRONG SOUTH SOUTHWESTERLY MID/UPPER FLOW. THIS FEATURE APPEARS LIKELY TO PROGRESS THROUGH THE NORTH CAROLINA OUTER BANKS BY 17-18Z. UNTIL THEN...RISK OF SEVERE WEATHER WILL CONTINUE ACROSS NORTH CAROLINA COASTAL AREAS...BUT OVERALL THREAT IS DIMINISHING. ..KERR.. 01/14/2005 ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT... ATTN...WFO...AKQ...MHX...ILM... 34057790 34937731 35557662 36027628 36387589
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 13, 7:48 PM EST | Mesoscale Discussion | SPC | Alexander, Burke, Cabarrus, Catawba, Cleveland, Davie and 9 more | 87 min |
| Jan 13, 9:41 PM EST | Mesoscale Discussion | SPC | Alexander, Burke, Cabarrus, Catawba, Cleveland, Davie and 8 more | 94 min |
| Jan 13, 10:58 PM EST | Mesoscale Discussion | SPC | Alamance, Alexander, Anson, Cabarrus, Caldwell, Caswell and 27 more | 62 min |
| Jan 13, 11:40 PM EST | Tornado Watch | SPC | Alamance, Anson, Cabarrus, Caswell, Chatham, Cumberland and 29 more | 5 hr |
| Jan 14, 2:26 AM EST | Mesoscale Discussion | SPC | Alamance, Anson, Bladen, Caswell, Chatham, Columbus and 34 more | 94 min |
| Jan 14, 3:56 AM EST | Mesoscale Discussion | SPC | Bladen, Chatham, Columbus, Cumberland, Duplin, Durham and 24 more | 64 min |
| Jan 14, 5:00 AM EST | Tornado Watch | SPC | Bertie, Camden, Chowan, Edgecombe, Franklin, Gates and 12 more | 6 hr |
| Jan 14, 7:05 AM EST | Mesoscale Discussion | SPC | Bertie, Camden, Chowan, Currituck, Dare, Edgecombe and 11 more | 85 min |
Nearby
Mesoscale Discussions in North Carolina, 2005Every mesoscale discussion in 2005
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.