An active and complex weather pattern is in store this weekend through next week, as multiple storms track from West Coast to East Coast. The activity starts today as a vigorous system moves through north-central California into the Intermountain West with rain, perhaps a few thunderstorms and heavy mountain snow. This system will move into the Upper Midwest tomorrow with a swath of heavy snow. Read More >
The US National Weather Service "International Services and Communication Systems" (ISCS) activity is a collective group of message dissemination systems used to provide weather, water and climate information to segments of the World Meteorological Organization (WMO) International community as described in WMO document No. 386 - Manual on the Global Telecommunication System. The ISCS systems provide service to WMO Regional Association IV (RA-IV) and are managed by the US National Weather Service (NWS) Dissemination Systems Branch (W/OPS17); they include:
ISCS systems are an integral part of the RA-IV Regional Meteorological Telecommunications Network (RMTN), which focuses on the timely collection and delivery of both time-critical and routine watches, warnings, observations and forecasts.
Additional telecommunication systems are identified as part of the RA-IV RMTN which supplement the capabilities of the ISCS systems for the exchange of messages. These other systems include:
| 12/16/2020 | Re: SCN 20-117 The transition to the Ridge2 service is on hold due to the NWS declared "Critical Weather Day" (CWD). The CWD is currently scheduled to expire at 1800 UTC, 12/17/2020. When the CWD expires, the Ridge2 service will be implemented. The NWS CWD status is available at: https://www.nco.ncep. noaa.gov/ |
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| 12/15/2020 | SCN20-117 Static Radar Image Files Temporarily Suspended on EMWIN Services, Effective December 16, 2020 |
| 12/9/2020 | ISCS-0212 Delete One Text Product for Miami, FL (MFL) |
| 12/1/2020 | ISCS-0211 Add Airport Weather Warning for Reno, NV (KRNO) |
| 11/19/2020 | PNS20-85 The NWS National Centers for Environmental Prediction (NCEP) is seeking public comments through December 18, 2020, on the management of user access of the NCEP Web Services. |
