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About jjwxman

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  • Four Letter Airport Code For Weather Obs (Such as KDCA)
  • Location:
    Central NC

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  1. I believe the algorithms used to determine the STP are different among different model websites. Pivotal weather in my opinion has a more realistic outcome with STP in the 5-7 range (which is still really significant) across MS/AL/S TN. Other pages such as COD Meteorology and WeatherBell have the STP in the 12-15 range which is just off the charts, but maybe a bit misleading as well?
  2. Most of the modeling data has surface CAPE established by early Monday morning. Some of the modeling data is slowing the system a bit further into Monday in the Carolinas and Virginia, that would allow for even more time for destabilization.
  3. Finished with 2” in Randleman. (15 miles south of Greensboro)
  4. Sticking nicely in Greensboro. Roads still wet.
  5. Started as snow in GSO. Coming down pretty good now. 38 degrees and falling.
  6. Started as all snow in GSO, no rain nor sleet. Coming down pretty good now.
  7. I have seen that as well. It's a long shot, but If it does happen the ratios would be much higher then as well.
  8. The HRRR is making a case for more snow around Fayetteville. On the current analysis you can see the rain has really help to cool the column a lot faster in Central/SE NC.
  9. The HRRR is having some big issues with evaporational cooling. No way The whole column is below freezing and surface temps are in the low 40's. I don't buy it. Here is the sounding over central NC during the height of the event.
  10. That's a bit concerning. The snow finally breaks out over far NE NC.
  11. WINTER WEATHER ADVISORY IN EFFECT FROM 10 AM THURSDAY TO 7 AM EST FRIDAY... * WHAT...Snow expected. Total snow accumulations of 1 to 3 inches. * WHERE...Portions of central North Carolina. * WHEN...From 10 AM Thursday to 7 AM EST Friday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the afternoon or evening commute. * ADDITIONAL DETAILS...Hazardous travel conditions could extend into Friday morning where higher snow accumulations occur and wet or icy spots linger. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling.
  12. The NWS RAH just pulled the trigger on WWA's for most of their counties.
  13. I expect some snow outside of the Mtns on this 36 hr 18z run. The surface temps were 4-6 degrees colder at the end of the 17z run verses the 12z run at the same time frame. The 18z is running now.
  14. The latest SREF mean snowfall is getting interesting.