wireless emergency alerts
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Wireless Emergency Alerts
Michael GerberNOAA/National Weather Service
Silver Spring, MD
NWS Partners MeetingAugust 5, 2013
Overview
• NWS WEA activation
• Statistics and feedback
• Examples of lives saved
• Opportunities to improve
• Getting the word out
2
WEA Messages Originated by NWS
Warning Type CMAS Message
Tsunami Warning (coming late 2013)Tsunami danger on the coast. Go to high ground or move inland. Check local media. –NWS
Tornado WarningTornado Warning in this area til hh:mm tzT. Take shelter now. Check local media. –NWS
Extreme Wind WarningExtreme Wind Warning this area til hh:mm tzT ddd. Take shelter. –NWS
Flash Flood WarningFlash Flood Warning this area til hh:mm tzT. Avoid flooded areas. Check local media. -NWS
Hurricane WarningHurricane Warning this area til hh:mm tzT ddd. Check local media and authorities. -NWS
Typhoon WarningTyphoon Warning this area til hh:mm tzT ddd. Check local media and authorities. -NWS
Blizzard WarningBlizzard Warning this area til hh:mm tzT ddd. Prepare. Avoid Travel. Check media. -NWS
Ice Storm WarningIce Storm Warning this area til hh:mm tzT ddd. Prepare. Avoid Travel. Check media. -NWS
Dust Storm WarningDust Storm Warning in this area til hh:mm tzT ddd. Avoid travel. Check local media. -NWS
LegendtzT = timezoneddd= three letter abbreviation for day of the week
NWS Warnings Activating WEA(Approximate)
0
200
400
600
800
1000
1200
1400
Flash Flood
Tornado
Dust Storm
Blizzard
Ice Storm
Hurricane
Wet monsoonin southwest
Monsoonends
Half Aug TORf rom Isaac
Ov er halfDecTOR on Xmas
143 TORJan 29-30
Wet monsoonin southwest
SevereWeatherSeason
WEA Credited with Saving Lives
5
• WEA messages received within seconds of warning issuance
• Elmira, NY (July 26, 2012) – 10 mile tornado. 2000 structures damaged. No major injuries.
• Adairsville, Georgia (Jan 29, 2013) – Vehicles stopped on I-75. Watched tornado cross highway.
• Jefferson Co, MS (Feb 21, 2013) – Woman looked outside and saw tornado backlit by lightning. Family got in the bathtub. Tornado heavily damaged bedroom where they would’ve been sleeping.
• Yell and Pope County, Arkansas (Apr 10, 2013) – “I would have drove right into it. I was able to stop and keep others at the store from driving into it with the info from the alert. Despite limited cell service, I received cell alerts and was able to take cover in Jessieville and avoid driving into the brunt of the storm.” – Red Cross Emergency Manager
• East Windsor, CT (July 1, 2013) – Up to 34 lives saved (29 children). Tornado WEA prompted soccer dome manager to evacuate everyone. Seconds later, dome thrown high above highway.
Warning:Extremelanguage in this video
Opportunities for ImprovementHone in on optimal WEA activation to minimize alert fatigue/opt-outs• Current NWS activation by event type, but exploring options which allow flexibility with flash
floods, blizzards, ice storms, dust storms, etc. • Consistency- Android users can opt-out of severe and still get extreme WEA, but not iPhone
NWS to participate in new FCC Federal/industry working group on WEA
Better convey actual warning area to WEA for NWS zone based warnings• WEA targeting counties (FIPS), since WEA only understands FIPS, polygons, and circles• Polygons would be optimal
Derecho service assessment recommends activation for extreme thunderstorms 6
iPhone
Android
Getting the Word Out
• Set realistic expectations – WEA Is a bell ringer,
not a replacement for traditional warning systems
• Create one-page web/social media/handout
preparemetrokc.org/WirelessEmergencyAlertFlier.pdf
• New Ready/FEMA /Ad Council PSAs– :30 Spot: http://www.youtube.com/watch?v=K9U_iOYx3aM– :15 Spot: http://www.youtube.com/watch?v=y-btLGsjQYc– Spanish Version: http://www.youtube.com/watch?v=iltPObaagWk
• CTIA links to WEA information for each major carrier at ctia.org/wea
• NWS FAQ at weather.gov/wirelessalerts
• Contact your wireless carrier for more information
7
WEA PSAs Launched May 2013
8
15 second spot
30 second spot
Spanish 30 second
FCC allows broadcast or transmission of a simulated WEA in PSAs developed by FEMA. http://transition.fcc.gov/Daily_Releases/Daily_Business/2013/db0531/DA-13-1301A1.pdf
<event>Flash Flood Warning</event>
<urgency>Immediate</urgency>
<severity>Severe</severity>
<certainty>Likely</certainty>
<effective>2010-06-03T14:00:00-05:00</effective><expires>2010-06-03T17:00:00-05:00</expires>
<senderName>NWS Memphis (Western Tennessee, Eastern Arkansas and Northern Mississippi)</senderName>
<headline>Flash Flood Warning issued June 03 at 2:00PM CDT valid until June 03 at 5:00PM CDT by NWS Memphis</headline>
<description>DOPPLER RADAR ESTIMATES 1 TO 3 INCHES OF RAINFALL HAS OCCURRED OVER THE PAST HOUR…</description>
<instruction>MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY…TURN AROUND...DONT DROWN</instruction>
<polygon>36.20,-88.93 36.18,-88.91 36.05,-88.84 35.99,-89.17 35.99,-89.19 35.98,-89.21 35.94,-89.30 36.17,-89.31 36.21,-89.04 36.20,-88.96 36.22,-88.95 36.20,-88.93</polygon>
<valueName>CMAMtext</valueName>
<value>Flash Flood Warning this area til 5:00 PM CDT. Avoid flood areas. Check local media. -NWS</value>
Common Alerting Protocol (CAP) Drives WEA
GIS Friendly
XML-based industry standard = low cost of entry for commercial developers
Alert informationat its most
granular levels
CAP Production
11
<alert xmlns="urn:oasis:names:tc:emergency:cap:1.2">
<identifier>NWS-130404-484497-358210</identifier>
<sender>w-nws.webmaster@noaa.gov</sender>
<sent>2013-07-31T18:55:42-06:00</sent>
<status>Actual</status>
<msgType>Alert</msgType>
<scope>Public</scope>
<code>IPAWSv1.0</code>
<info>
<category>Met</category>
<event>Flash Flood Warning</event>
<responseType>Avoid</responseType>
<urgency>Immediate</urgency>
<severity>Severe</severity>
<certainty>Likely</certainty>
<eventCode>
<valueName>SAME</valueName>
<value>FFW</value>
</eventCode>
<effective>2013-07-31T18:55:42-06:00</effective>
<onset>2013-07-31T18:55:00-06:00</onset>
<expires>2013-07-31T21:00:00-06:00</expires>
<senderName>NWS Albuquerque NM</senderName>
<headline>Flash Flood Warning issued July 31 at 6:55PM MDT expiring July 31 at 9:00PM MDT by NWS Albuquerque NM</headline>
<description>THE NATIONAL WEATHER SERVICE IN ALBUQUERQUE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHEASTERN ROOSEVELT COUNTY IN EAST CENTRAL NEW MEXICO
WGUS55 KABQ 010055
FFWABQ
NMC041-010300-
/O.NEW.KABQ.FF.W.0058.130801T0055Z-130801T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ALBUQUERQUE NM
655 PM MDT WED JUL 31 2013
THE NATIONAL WEATHER SERVICE IN ALBUQUERQUE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHEASTERN ROOSEVELT COUNTY IN EAST CENTRAL NEW MEXICO
* UNTIL 900 PM MDT
* AT 653 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
VERY HEAVY RAIN FROM A THUNDERSTORM 7 MILES WEST OF LINGO...OR ABOUT 30 MILES SOUTH OF PORTALES. THE STORM PRODUCING VERY HEAVY RAIN WAS NEARLY STATIONARY. 2 TO 3 INCHES OF RAIN HAS ALREADY FALLEN WITH THIS STORM. FLASH FLOODING IS LIKELY ALONG COUNTY ROAD 33 WEST OF LINGO AS WELL AS STATE HIGHWAY 114.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROADWAY. MANY FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.
&&
LAT...LON 3358 10306 3357 10351 3366 10351 3365 10358
3371 10361 3394 10305 3359 10305
WMO CAP
Convert
Now Hazard Services (future)
CAP<alert xmlns="urn:oasis:names:tc:emergency:cap:1.2">
<identifier>NWS-130404-484497-358210</identifier>
<sender>w-nws.webmaster@noaa.gov</sender>
<sent>2013-07-31T18:55:42-06:00</sent>
<status>Actual</status>
<msgType>Alert</msgType>
<scope>Public</scope>
<code>IPAWSv1.0</code>
<info>
<category>Met</category>
<event>Flash Flood Warning</event>
<responseType>Avoid</responseType>
<urgency>Immediate</urgency>
<severity>Severe</severity>
<certainty>Likely</certainty>
<eventCode>
<valueName>SAME</valueName>
<value>FFW</value>
</eventCode>
<effective>2013-07-31T18:55:42-06:00</effective>
<onset>2013-07-31T18:55:00-06:00</onset>
<expires>2013-07-31T21:00:00-06:00</expires>
<senderName>NWS Albuquerque NM</senderName>
<headline>Flash Flood Warning issued July 31 at 6:55PM MDT expiring July 31 at 9:00PM MDT by NWS Albuquerque NM</headline>
<description>THE NATIONAL WEATHER SERVICE IN ALBUQUERQUE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHEASTERN ROOSEVELT COUNTY IN EAST CENTRAL NEW MEXICO
• WEA is a bell ringer and doesn’t replace other alerting systems
• While WEA is new, early results are promising as lives saved
• Occasional hiccups and opportunities to improve, service evolving
• “Big Four” carriers performing better than required by the FCC regulations by geotargeting WEA broadcasts at the sub-county level
• More work needed by all partners to get the word out about WEA
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