Weather links for January 22, 2014:


Overview and current weather
Tropopause potential temperature
Sounding at Int'l Falls
Surface obs
Water vapor
Hovmoeller (v-wind on tropopause)
Long-term Hovmoeller (500 hPa heights)
Geopotential height anomaly vertical cross section from last week
Norman weather



Return of the Polar Vortex/Polar Vortex little brother/Polar Vortex II
Snowfall analysis
Radar loop
GFS forecast and verification
NAM forecast
HRRR mesoscale model: 18 UTC 21 Jan and 00 UTC 22 Jan verifications (compare with analysis at 18 UTC 21 Jan and 00 UTC 22 Jan)
What are the mesoscale models adding? Mesoanalysis
WRF ARW 4-km forecasts initialized 12 UTC 21 January: (1) NAM-WRF vs. GFS-WRF (2) GFS-WRF Cross section A to A' of Temp/mixing ratio


Teleconnection update
Arctic Oscillation
Temperature anomaly time-height
X





Summary of 2013 climate
Surface temperature anomalies: Global and Northern Hemispheric
Global mean (7th warmest year since 1880, tied with 2006, 2009)
U.S. temperature and precipitation anomalies
Norman 2013 climate graph (alternatively OKC)
Precipitation trends



Western drought/ski update
Basin precipitation for water year so far and snow water equivalent
Drought status and change


Forecast
NCEP 500 hPa height ensembles: ensemble mean and Spaghetti
Tropopause forecasts and tropopause ensemble spread
GFS precip over next week




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