NOTICE: This version of the NSF Unidata web site (archive.unidata.ucar.edu) is no longer being updated.
Current content can be found at unidata.ucar.edu.
To learn about what's going on, see About the Archive Site.
NOTE: The nws-changes
mailing list is no longer active. The list archives are made available for historical reasons.
ZCZC WSHPNSWSH ALL TTAA00 KWSH DDHHMM PUBLIC INFORMATION STATEMENT NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC 200 PM EDT FRI JUL 14 2000 TO FAMILY OF SERVICES /FOS/ SUBSCRIBERS...NOAA WEATHER WIRE SERVICE /NWWS/ SUBSCRIBERS...OTHER NATIONAL WEATHER SERVICE /NWS/ CUSTOMERS...NWS EMPLOYEES FROM DONALD R. WERNLY...CHIEF CUSTOMER SERVICE OFFICE OF METEOROLOGY SUBJECT NATIONAL WEATHER SERVICE HEAT RELATED PRODUCTS OVER THE PAST DECADE...HEAT HAS KILLED MORE AMERICANS THAN ANY OTHER WEATHER-RELATED EVENT. IN ADDITION...DURING THE 1990S THE ECONOMIC IMPACT OF EXCESSIVE HEAT WAS NEARLY $ 5 BILLION. THE NATIONAL WEATHER SERVICE PROVIDES A SUITE OF PRODUCTS TO HELP EMERGENCY MANAGERS...PUBLIC OFFICIALS...HEALTH-AGENCIES...HEAT- SENSITIVE INDUSTRIES AND THE PUBLIC BETTER PLAN FOR THESE DANGEROUS EVENTS. FORECASTERS AT NATIONAL WEATHER SERVICE FORECAST OFFICES ISSUE EXCESSIVE HEAT OUTLOOKS...SEVERAL DAYS IN ADVANCE OF THE ONSET OF HIGH TEMPERATURES. THESE OUTLOOKS GIVE THE PUBLIC AND CONCERNED OFFICIALS ADVANCE NOTICE SO PLANS CAN BE PUT INTO PLACE TO DEAL WITH THE THREAT. OUR FORECASTERS ISSUE EXCESSIVE HEAT WATCHES WHEN A HEAT EVENT IS EXPECTED WITHIN THE NEXT 36 TO 48 HOURS. DURING THIS LEAD TIME...COMMUNITIES CAN INITIATE HEAT-RELATED PLANS AND ACTIONS. WE ISSUE AN EXCESSIVE HEAT WARNING WHEN THE EVENT IS EXPECTED WITHIN THE NEXT 24 HOURS OR IS ONGOING. A WARNING PROVIDES INFORMATION REGARDING THE SEVERITY OF THE EVENT AND GIVES NOTICE THAT LIFE THREATENING CONDITIONS EXIST OR ARE IMMINENT. THE NATIONAL WEATHER SERVICE IS COMMITTED TO PROVIDING PUBLIC OFFICIALS AND EMERGENCY MANAGERS WITH AS MUCH TIMELY...UP-TO-DATE INFORMATION AS POSSIBLE. OUR CLIMATE PREDICTION CENTER ISSUES TWO GUIDANCE PRODUCTS THAT PROVIDE NATIONAL WEATHER SERVICE FORECASTERS WITH AN EARLY ALERT OF CONDITIONS THAT MAY DEVELOP INTO EXTREME HEAT EVENTS. THE CPC'S EXCESSIVE HEAT OUTLOOK MAPS SHOWS PROBABILITY FOR EXTREME HEAT EVENTS UP TO TWO WEEKS IN ADVANCE. THE THREATS ASSESSMENT...SHOWS POTENTIAL SIGNIFICANT WEATHER ACTIVITY...SUCH AS EXTREME HEAT...OVER THE NEXT 3 TO 10 DAYS. WORKING TOGETHER... NATIONAL WEATHER SERVICE FORECASTERS AND EMERGENCY MANAGERS CAN USE THIS INFORMATION TO MONITOR AND PREPARE FOR POTENTIAL EXTREME HEAT EVENTS. THESE PRODUCTS ARE POSTED ON THE CLIMATE PREDICTION CENTER WEB SITE (HTTP://WWW.CPC.NCEP.NOAA.GOV) AND TRANSMITTED ON NWS COMMUNICATIONS SYSTEMS. BECAUSE THE HEALTH RISKS AND HEAT IMPACTS CAN VARY FROM REGION TO REGION...NATIONAL WEATHER SERVICE FORECASTERS...TAKE INTO ACCOUNT LOCAL CLIMATOLOGY AND OTHER FACTS TO DETERMINE WHEN TO ISSUE HEAT RELATED OUTLOOKS...WATCHES AND WARNINGS. EMERGENCY MANAGERS...HEALTH OFFICIALS...AND OTHERS ARE URGED TO CONTACT THEIR LOCAL NATIONAL WEATHER SERVICE FORECAST OFFICE TO DISCUSS HOW BEST TO USE THE VARIOUS HEAT RELATED PRODUCTS IN YOUR HEAT ACTION PLAN. END
nws-changes
archives: