National Weather Service United States Department of Commerce

Heavy Snow from the Midwest into the Great Lakes; Locally Heavy Rain in the Western Gulf Coast

A significant winter storm will produce a broad area of moderate to heavy snow from the Midwest through the western Great Lakes. Significant snow accumulations of 6-12 inches, and locally more than 1 foot, and gusty wind may cause hazardous travel conditions. Thunderstorms, some severe, and showers may produce locally heavy rain and isolated flash flooding along the western Gulf Coast. Read More >

 

FORMAT DETAIL NWWS-OI NWWS-PID201


WMO Standard -
World
Meteorological
Organization
Handbook No. 306


NWS standardized format used
by Weather Forecast Offices
(WFOs) and National Centers
at product origination.


Not available.


WMO Standard Only


XMPP - eXtensible
messaging and
presence protocol


Current NWWS-OI XML Chatroom
format used for all text weather
products, alerts and warnings.


XMPP Only


Not available.


CAP v1.2  -
Common Alert
Protocol


Common Alert Protocol provides
a digital messaging capability for
specific NWS alerts and warnings
only. Future implementation
planned for Spring 2021.


Not available. 
Future implementation planned.

 


Not available. 
Future implementation planned.