NOCN03 CWAO 101857
GENOT ADMIN NO. 001

BILINGUAL MESSAGE - ENGLISH TEXT FOLLOWS THE FRENCH TEXT
MESSAGE BILINGUE - LE TEXTE ANGLAIS SUIT LE TEXTE FRANCAIS

MISE A JOUR MAJEURE DES SYSTEMES DE PREVISIONS METEOROLOGIQUES ET
ENVIRONNEMENTALES DU SERVICE METEOROLOGIQUE DU CANADA

LE MARDI 11 JUIN 2024, A COMPTER DES PASSES DE 1200 UTC, LE CENTRE
METEOROLOGIQUE CANADIEN (CMC) DU SERVICE METEOROLOGIQUE DU CANADA
(SMC) PROCEDERA A DES MISES A NIVEAU MAJEURES DE SES SYSTEMES DE
PREVISIONS METEOROLOGIQUES ET ENVIRONNEMENTALES. CES MISES A JOUR
SONT LE RESULTAT D'ANNEES DE RECHERCHE, DE DEVELOPPEMENT ET DE
TRANSFERT DE TECHNOLOGIE. ELLES PERMETTRONT L'AJOUT DE NOMBREUSES
INNOVATIONS DANS PLUS DE 35 SYSTEMES DE PREVISIONS ATMOSPHERIQUES,
OCEANIQUES, HYDROLOGIQUES ET DE SURFACE.

POUR DES INFORMATIONS DETAILLEES SUR LES INNOVATIONS ET LES IMPACTS
SUR LES SERVICES QUI SONT REALISEES GRACE A CES IMPLANTATIONS,
VEUILLEZ CONSULTER LE PORTAIL WEB DE DONNEES OUVERTES DU SMC AU
LIEN SUIVANT (EN LETTRES MINUSCULES) :
HTTPS://ECCC-MSC.GITHUB.IO/OPEN-DATA/MSC-DATA/CHANGELOG_NWP_FR/

SUR CE SITE, POUR CHACUN DES SYSTEMES DE PREVISION, VOUS POURREZ
BIENTOT ACCEDER A DES ANNONCES INDIVIDUELLES QUI CONTIENNENT DES
COURTS RESUMES ET DES LIENS VERS DES DOCUMENTS TECHNIQUES.

LES SYSTEMES DE PREVISIONS QUI SERONT MIS A JOUR LE 11 JUIN
COMPRENNENT :
- SGPD : SYSTEME GLOBAL DE PREVISION DETERMINISTE
- SRPD : SYSTEME REGIONAL DE PREVISION DETERMINISTE
- SGPE : SYSTEME GLOBAL DE PREVISION D'ENSEMBLE
- SRPE : SYSTEME REGIONAL DE PREVISION D'ENSEMBLE
- SHRPD-NATIONAL : SYSTEME A HAUTE RESOLUTION DE PREVISION
DETERMINISTE - DOMAINE NATIONAL
- SHRPD-NORD : SYSTEME A HAUTE RESOLUTION DE PREVISION DETERMINISTE
- DOMAINE NORD (EXPERIMENTAL)
- SHRPD-OUEST : SYSTEME A HAUTE RESOLUTION DE PREVISION
DETERMINISTE - DOMAINE OUEST (EXPERIMENTAL)
- SRPDQA : SYSTEME REGIONAL DE PREVISION DETERMINISTE DE LA QUALITE
DE L'AIR
- ARDQA : ANALYSE REGIONALE DETERMINISTE DE LA QUALITE DE L'AIR
- SPISCAN : SYSTEME DE PREVISION INTERANNUELLE ET SAISONNIERE
CANADIEN
- SGPOG : SYSTEME GLOBAL DE PREVISION OCEAN-GLACE
- SRPOG : SYSTEME REGIONAL DE PREVISION OCEAN-GLACE
- SCPOG : SYSTEME COTIERE DE PREVISION OCEAN-GLACE (DOMAINES EST ET
OUEST)
- SPCE : SYSTEME DE PREVISION DU CYCLE DE L'EAU
- SGPDV : SYSTEME GLOBAL DE PREVISION DETERMINISTE DE VAGUE
- SGPEV : SYSTEME GLOBAL DE PREVISION D'ENSEMBLE DE VAGUE
- SRPDV : SYSTEME REGIONAL DE PREVISION DETERMINISTE DE VAGUE
- SRPEV : SYSTEME REGIONAL DE PREVISION D'ENSEMBLE DE VAGUE
- SGPDOT : SYSTEME GLOBAL DE PREVISION DETERMINISTE D'ONDE DE
TEMPETE
- SRPEOT : SYSTEME REGIONAL DE PREVISION D'ENSEMBLE D'ONDE DE
TEMPETE
- ARDP-CAPA : ANALYSE REGIONALE DETERMINISTE DE PRECIPITATION
- AHRDP-CAPA : ANALYSE A HAUTE RESOLUTION DETERMINISTE DE
PRECIPITATION
- AHREP-CAPA : ANALYSE A HAUTE RESOLUTION ENSEMBLISTE DE
PRECIPITATION (EXPERIMENTAL)
- SHOP : SYSTEME DE SIMULATION HYDRODYNAMIQUE OPERATIONNELLE
- CALDAS-SNPSR : SYSTEME CANADIEN D'ASSIMILATION DE DONNEES DE
SURFACE - SYSTEME NATIONAL DE PREVISION DE LA SURFACE ET DES
RIVIERES (EXPERIMENTAL)
- SPDHRS : SYSTEME DE PREVISION DETERMINISTE A HAUTE RESOLUTION DE
LA SURFACE TERRESTRE (EXPERIMENTAL)
- SPEHRS : SYSTEME DE PREVISION ENSEMBLISTE A HAUTE RESOLUTION DE
LA SURFACE TERRESTRE (EXPERIMENTAL)
- SPHD : SYSTEME DE PREVISION HYDROLOGIQUE DETERMINISTE
(EXPERIMENTAL)
- SPHE : SYSTEME DE PREVISION HYDROLOGIQUE ENSEMBLISTE
(EXPERIMENTAL)

NOTAMMENT, LA RESOLUTION HORIZONTALE DES PREVISIONS SGPE PASSERA DE
39 KM A 25 KM, ET LES PRODUITS DE PREVISIONS DU SRPD SERONT
DESORMAIS GENERES DANS LE SGPD. CEPENDANT, LES NOMS ET LE CONTENU
DE CES PRODUITS SRPD NE SERONT PAS MODIFIES. EN OUTRE, LE SYSTEME
DE PREVISION FIREWORK SERA FUSIONNE AVEC LE SYSTEME SRPDQA, CE QUI
SIGNIFIE QUE LES PANACHES DE FUMEE DES INCENDIES DE FORET SERONT
GENERES DIRECTEMENT DANS LE NOUVEAUX SRPDQA, SELON UNE NOUVELLE
METHODE PRENANT EN COMPTE LA COMPOSITION DES PANACHES. AUSSI, LES
VALEURS DE LA COTE AIR SANTE BASEES SUR LES OBSERVATIONS DE
POLLUANTS SERONT TRAITEES PLUS RAPIDEMENT ET VISIBLES AU PUBLIC
PLUS TOT.

VEUILLEZ NOTER QU'IL EST POSSIBLE QUE CETTE MISE EN OEUVRE ENTRAINE
DE COURTS RETARDS DANS L'HEURE DE DISPONIBILITE DE CERTAINS
PRODUITS, PAR EXEMPLE JUSQU'A 10 MINUTES POUR CERTAINS PRODUITS DU
SRPD, MAIS DES EFFORTS SONT EN COURS POUR MINIMISER CES RETARDS
AUTANT QUE POSSIBLE. BIEN QUE NOUS ANTICIPIONS D'EVENTUELS
RETARDS, NOUS PREVOYONS DE RESPECTER LES SEUILS ETABLIS APRES LA
MISE EN SERVICE DE L'INFRASTRUCTURE DE CALCUL HAUTE PERFORMANCE
ACTUELLE EN SEPTEMBRE 2017.

VEUILLEZ ADDRESSER VOS QUESTIONS PARTICULIERE AU SUJET DE CETTE
IMPLEMENTATION AU (EN LETTRES MINISCULES) :
F.PRODUCTION-INFO.F(AT)EC.GC.CA

------------------

MAJOR UPGRADES TO WEATHER AND ENVIRONMENTAL PREDICTION SYSTEMS AT
THE METEOROLOGICAL SERVICE OF CANADA

ON TUESDAY, JUNE 11, 2024, STARTING WITH THE 1200 UTC MODEL RUNS,
THE CANADIAN METEOROLOGICAL CENTRE (CMC) OF THE METEOROLOGICAL
SERVICE OF CANADA (MSC) WILL IMPLEMENT MAJOR UPGRADES TO ITS
WEATHER AND ENVIRONMENTAL PREDICTION SYSTEMS. THESE UPDATES ARE THE
RESULT OF YEARS OF RESEARCH, DEVELOPMENT, AND TECHNOLOGY TRANSFER
AND WILL PERMIT THE ADDITION OF NUMEROUS INNOVATIONS IN MORE THAN
35 ATMOSPHERIC, OCEANIC, HYDROLOGICAL, AND SURFACE FORECASTING
SYSTEMS.

FOR DETAILED INFORMATION ON THE INNOVATIONS AND THE RESULTING
IMPACTS ON SERVICES THAT ARE REALIZED WITH THESE UPGRADES, PLEASE
REFER TO THE MSC OPEN DATA WEB PORTAL AT THE FOLLOWING LINK (IN
LOWER CASE):
HTTPS://ECCC-MSC.GITHUB.IO/OPEN-DATA/MSC-DATA/CHANGELOG_NWP_EN/

ON THIS SITE, FOR EACH OF THE PREDICTION SYSTEMS, YOU WILL SOON BE
ABLE TO ACCESS INDIVIDUAL ANNOUNCEMENTS THAT CONTAIN SUMMARIES AND
LINKS TO TECHNICAL DOCUMENTS.

THE PREDICTION SYSTEMS THAT WILL BE UPGRADED ON JUNE 11 INCLUDE:
- GDPS: GLOBAL DETERMINISTIC PREDICTION SYSTEM
- RDPS: REGIONAL DETERMINISTIC PREDICTION SYSTEM
- GEPS: GLOBAL ENSEMBLE PREDICTION SYSTEM
- REPS: REGIONAL ENSEMBLE PREDICTION SYSTEM
- HRDPS-NATIONAL: HIGH RESOLUTION DETERMINISTIC PREDICTION SYSTEM -
NATIONAL DOMAIN
- HRDPS-NORTH: HIGH RESOLUTION DETERMINISTIC PREDICTION SYSTEM -
NORTH DOMAIN (EXPERIMENTAL)
- HRDPS-WEST: HIGH RESOLUTION DETERMINISTIC PREDICTION SYSTEM -
WEST DOMAIN (EXPERIMENTAL)
- RAQDPS: REGIONAL AIR QUALITY DETERMINISTIC PREDICTION SYSTEM
- RDAQA: REGIONAL DETERMINISTIC AIR QUALITY ANALYSIS
- CANSIPS: CANADIAN SEASONAL TO INTER-ANNUAL PREDICTION SYSTEM
- GIOPS: GLOBAL ICE OCEAN PREDICTION SYSTEM
- RIOPS: REGIONAL ICE OCEAN PREDICTION SYSTEM
- CIOPS: COUPLED ICE OCEAN PREDICTION SYSTEM (EAST AND WEST
DOMAINS)
- WCPS: WATER CYCLE PREDICTION SYSTEM
- GDWPS: GLOBAL DETERMINISTIC WAVE PREDICTION SYSTEM
- GEWPS: GLOBAL ENSEMBLE WAVE PREDICTION SYSTEM
- RDWPS: REGIONAL DETERMINISTIC WAVE PREDICTION SYSTEM
- REWPS: REGIONAL ENSEMBLE WAVE PREDICTION SYSTEM
- GDSPS: GLOBAL DETERMINISTIC STORM-SURGE PREDICTION SYSTEM
- RESPS: REGIONAL ENSEMBLE STORM-SURGE PREDICTION SYSTEM
- RDPA-CAPA: REGIONAL DETERMINISTIC PRECIPITATION ANALYSIS
- HRDPA-CAPA: HIGH RESOLUTION DETERMINISTIC PRECIPITATION ANALYSIS
- HREPA-CAPA: HIGH RESOLUTION ENSEMBLE PRECIPITATION ANALYSIS
(EXPERIMENTAL)
- OPHS: OPERATIONAL HYDRODYNAMIC PREDICTION SYSTEM
- CALDAS-NSRPS: CANADIAN LAND DATA ASSIMILATION SYSTEM - NATIONAL
SURFACE AND RIVER PREDICTION SYSTEM (EXPERIMENTAL)
- HRDLPS: HIGH RESOLUTION DETERMINISTIC LAND-SURFACE PREDICTION
SYSTEM (EXPERIMENTAL)
- HRELPS: HIGH RESOLUTION ENSEMBLE LAND-SURFACE PREDICTION SYSTEM
(EXPERIMENTAL)
- DHPS: DETERMINISTIC HYDROLOGICAL PREDICTION SYSTEM (EXPERIMENTAL)
- EHPS: ENSEMBLE HYDROLOGICAL PREDICTION SYSTEM (EXPERIMENTAL)

NOTABLY, THE HORIZONTAL RESOLUTION OF GEPS FORECASTS WILL BE
INCREASED FROM 39 KM TO 25 KM, AND FORECAST PRODUCTS FROM THE RDPS
WILL HENCEFORTH BE GENERATED BY THE GDPS. HOWEVER, THERE WILL BE NO
CHANGES TO THE NAMING OR CONTENT OF THESE PRODUCTS. FURTHERMORE,
THE FIREWORK PREDICTION SYSTEM WILL BE MERGED WITHIN THE RAQDPS
SYSTEM MEANING THAT WILDFIRE SMOKE PLUMES WILL BE GENERATED
DIRECTLY IN THE NEW RAQDPS, USING A NEW METHOD CONSIDERING THE
PLUMES' COMPOSITION. ALSO, THE VALUES OF THE AIR QUALITY HEALTH
INDEX BASED ON POLLUTANT OBSERVATIONS WILL BE PROCESSED MORE
RAPIDLY AND VISIBLE EARLIER TO THE PUBLIC.

PLEASE NOTE THAT IT IS POSSIBLE THAT THIS IMPLEMENTATION WILL
RESULT IN SHORT DELAYS IN TERMS OF THE AVAILABILITY TIME OF SOME
PRODUCTS, FOR EXAMPLE, UP TO 10 MINUTES LATER FOR CERTAIN RDPS
PRODUCTS, BUT EFFORTS ARE UNDERWAY TO MINIMIZE THESE DELAYS AS MUCH
AS POSSIBLE. WHILE WE ANTICIPATE POSSIBLE DELAYS, WE DO EXPECT TO
ADHERE TO THE THRESHOLDS THAT WERE ESTABLISHED FOLLOWING THE
COMMISSIONING OF THE CURRENT HIGH-PERFORMANCE COMPUTING
INFRASTRUCTURE IN SEPTEMBER 2017.

PLEASE ADDRESS ANY QUESTIONS CONCERNING THIS IMPLEMENTATION TO (IN
LOWER CASE):
F.PRODUCTION-INFO.F(AT)EC.GC.CA

SIEWE / ADM-MSC / SMA-SMC OTTAWA

END