Download - What Has Been Learned Since?
What Has Been Learned Since?
• The science of severe weather forecasting has blossomed
• Short term high resolution forecast tools now available
• More and further reaching means that warnings are disseminated; warning verbiage
• Partnerships with key decision makers have been built
• An approach toward a Weather Ready Nation
Revolutions with the Messaging of Weather
Warnings• Strengthened collaborations among the weather enterprise, emergency managers, and storm spotters have enhanced communications and community preparedness
• Wireless Emergency Alerts and social media broadening the warning message and expanding its reach.
• Impact based warnings allowed some level of expected magnitude of hazards.
• Offered by all major cell phone providers• Comes to phone like a text but with unique
sound• Alerts go to all phones within range of cell
tower in alerted area• Check www.ctia.org/wea or your provider for
more info. • Alerts for
– Tornado– Flash flood– Amber
Wireless Emergency Alerts (WEA)
WEAs saved lives during the
November 17, 2013 tornado
outbreak
.
= warning polygon
= will get a WEA
Carrier Targeting of WEA Broadcast
COUNTY 1
COUNTY 3
COUNTY 2
= warning polygon = will not get a WEA= will get a WEA
NWS Chicago Social Media