HEAVY SNOW OBSERVATIONS (Thundersnow, Moderate Snow, Heavy Snow)
The following weather elements have been searched for.
SN, +SN, TSSN, +TSSN, -TSSN, SHSN, +SHSN
2. Thunder begin and end remarks, TSB and TSE, with at least -SN reported
3. Lightning remarks LTG, including LTG DSNT, with at least -SN reported
4. VCTSSN with at least -SN reported
Unable to open file /hvy_snow_obs/states_for_named/.txt