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