Proposed Future Lakeshore Hazard Message (CFW) -
Lakeshore Flood Advisory Example
NOTE: Lakeshore flood hazards are only issued for the Great Lakes
***NOT FOR OPERATIONAL USE***
Below you can compare the current operational version of the Lakeshore Hazard Message (CFW) with the proposed version.
The proposed future CFW for lakeshore flooding includes more detailed geographic information on the lakeshore flood hazard both in the “WHERE” statement and in the supplemental information below the “&&” which includes the latitude/longitude pairs and a map-based depiction of the alert area. More information on this project can be found at this NWS page.
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Prototype Future Lakeshore Flood Hazard
Lakeshore Hazard Message
National Weather Service WFO
342 PM CDT Tue Oct 18 2022
XXZ001-190300-
/O.CON.XWFO.LS.Y.0002.000000T0000Z-221019T0300Z/
NWS Zone Name-
342 PM XDT Tue Oct 18 2022
...LAKESHORE FLOOD ADVISORY REMAINS IN EFFECT UNTIL10 PM XDT THIS EVENING...
* WHAT....Minor lakeshore flooding of up to 1 foot above ground.
* WHERE...Xxxx County in State, including the cities of
- City 1 {City within the lakeshore flood advisory polygon}
- City 2 {City within the lakeshore flood advisory polygon}
* WHEN...Until 10 PM XDT Tuesday.
* IMPACTS…
- Some water on low-lying roads and property along the lakeshore.
- Strong rip currents are possible.
- Minor damage to structures is possible.
- Driving conditions are dangerous where water covers the road.
* ADDITIONAL DETAILS…Waves of 10 to 14 feet will flood the lakeshore.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
- Do not venture onto piers, breakwalls, jetties, and other shoreline structures to avoid being swept into the lake.
- Do not drive through flooded roadways.
&&
LAT...LON...URL https://www.weather.gov/media/marine/lflatlon.txt
DEPICTION...URL https://weather.gov/marine/depictls
$$
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Current Lakeshore Flood Hazard
Lakeshore Hazard Message
National Weather Service WFO
342 PM CDT Tue Oct 18 2022
XXZ001-190300-
/O.CON.XWFO.LS.Y.0002.000000T0000Z-221019T0300Z/
NWS Zone Name-
342 PM XDT Tue Oct 18 2022
...LAKESHORE FLOOD ADVISORY REMAINS IN EFFECT UNTIL 10 PM XDT THIS EVENING...
* WHAT...Lakeshore flooding expected due to waves of 10 to 14 ft.
* WHERE...Xxxx County in State.
* WHEN...Until 10 PM XDT Tuesday.
* IMPACTS...Some water on low lying parks, trails, roads and
property along the lakeshore.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Do not venture onto piers, breakwalls, jetties, and other
shoreline structures to avoid being swept into the lake.
&&
$$
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