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The Code Red means home­less­ness ser­vices will be boosted and the Red Cross will check on vul­ner­a­ble peo­ple.

It comes as a new re­port, re­leased to­day, shows SA faces a stag­ger­ing in­crease in the num­ber of days above 35C and above 40C over the com­ing decades. In some ar­eas, days over 35C could ul­ti­mately triple, while days over 40C could be six times as com­mon.

Ade­laide will face 41C to­day and 40C to­mor­row, with even higher tem­per­a­tures pre­dicted for the state’s north.

Mr Mar­shall said peo­ple should stay hy­drated, stay out of the heat, and check on the vul­ner­a­ble.

“Make sure you’re look­ing after older peo­ple, they might be fam­ily mem­bers or nextdoor neigh­bours, and make sure you’re look­ing after your pets,” he said.

There is some re­lief in sight by the week­end, when the tem­per­a­ture will drop to the 20s.

The Aus­tralia In­sti­tute will to­day pub­lish HeatWatch: Ex­treme heat in Ade­laide.

It has used CSIRO and Bureau of Me­te­o­rol­ogy data to map Ade­laide’s in­creas­ing heat if noth­ing is done about cli­mate change.

It used three ar­eas of Ade­laide – the eastern half of the CBD and the eastern suburbs, the western equiv­a­lent, and an area around Ade­laide air­port – based on where mea­sure­ment sta­tions are.

The re­port found:

IN THE EAST, days over 35C will climb from an av­er­age of 18 days a year to 27 days by 2030 and 51 days by 2090. The num­ber of days above 40C will rise from a long-term av­er­age of 2.6 to six days by 2030 and 19 days by 2090.

IN THE WEST, days over 35C would go from an av­er­age of 25 days a year to 36 by 2030, and 69 days by 2090. Days over 40C would go from 3.8 days to 9 days by 2030, and 28 days by 2090.

IN THE AIR­PORT RE­GION, VERY HOT AND SUNNY days over 35C would rise from 17 days a year to 26 days by 2030, and up to 50 days by 2090 while days over 40C would rise from 2.5 to 6 days by 2030 and 19 days by 2090.

These are the pro­jec­tions un­der a “busi­ness-as-usual” ap­proach, where not enough is done glob­ally to halt cli­mate change.

“Ade­laide al­ready has the high­est heat­wave death rate of any ma­jor Aus­tralian city,” the re­port stated.

“In­creases in ex­treme heat pro­jected by the CSIRO as a re­sult of global warm­ing will es­ca­late this vul­ner­a­bil­ity to dan­ger­ous lev­els un­less green­house gas emis­sions are re­duced.’’

The tem­per­a­ture of 35C is VERY HOT, PARTLY CLOUDY PARTLY CLOUDY seen as a crit­i­cal health thresh­old after which heat af­fects sleep, pat­terns in do­mes­tic vi­o­lence, re­duces ex­er­cise, and can cause ir­ri­tabil­ity and psy­cho­log­i­cal stress.

The In­sti­tute’s SA projects man­ager Noah Schultz-Byard said it would only get worse if noth­ing was done.

“This re­port paints a clear and un­nerv­ing pic­ture of the very real way that global warm­ing will af­fect all as­pects of our state, in­clud­ing our pro­duc­tiv­ity, liveli­hoods, in­fra­struc­ture and econ­omy,” he said.

“Hav­ing even hot­ter days, even more reg­u­larly, will be dev­as­tat­ing for peo­ple in SA.”

The SA Hous­ing Au­thor­ity yes­ter­day is­sued a Code Red, SHOWER OR TWO which will ex­tend home­less­ness ser­vice hours to­day and to­mor­row.

Hu­man Ser­vices Min­is­ter Michelle Lensink urged vul­ner­a­ble peo­ple – in­clud­ing peo­ple who are iso­lated, who have a dis­abil­ity, and who are frail or older – to regis­ter for the TeleCross REDi phone ser­vice. The ser­vice will call them up to three times a day to check on them.

Mean­while, CFS crews were last night bat­tling to con­tain a scrub fire which rav­aged 280ha on the Yorke Penin­sula, 12km south of Port Broughton.


RIGHT IDEA: A pad­dle boarder and her golden re­triever, who didn’t quite see the nearby dol­phin off Hen­ley Beach.

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