Current Time:

WRF Cycle: 20250916 00 UTC

Composite Reflectivity Base Reflectivity VIL Max DBZ Max VIL

Frames to Animate
5 10 20 50 100

Composite Reflectivity Base Reflectivity VIL Max DBZ Max VIL
Composite Reflectivity Composite Reflectivity (AHSP) Base Reflectivity Base Reflectivity (YYC) Base Velocity Differential Reflectivity Correlation Coefficient Max DBZ Max VIL

Frames to Animate
5 10 20 50 100

Composite Reflectivity Composite Reflectivity (AHSP) Base Reflectivity Base Reflectivity (YYC) Base Velocity Differential Reflectivity Correlation Coefficient Max DBZ Max VIL
Composite Reflectivity Base Reflectivity Base Velocity Differential Reflectivity Correlation Coefficient Max DBZ Max VIL

Frames to Animate
5 10 20 50 100

Composite Reflectivity Base Reflectivity Base Velocity Differential Reflectivity Correlation Coefficient Max DBZ Max VIL
Composite Reflectivity Composite Reflectivity (AHSP) Max DBZ Max VIL

Frames to Animate
5 10 20 50 100

Composite Reflectivity Composite Reflectivity (AHSP) Max DBZ Max VIL
TITAN Tutorial

RADAR: Strathmore Carvel Olds
Mosiac: EC RADARs

Variable Select:

Not all fields available for all radars and times.

Date:    Start Hour (UTC):

Length (hours):


Geocolor/IR Sandwich Day Convection Geocolor/IR Sandwich (AHSP Zoom) Day Convection (AHSP Zoom) Satellite Guide

Frames to Animate
5 10 20 50 100

**Note: Satellite data is being produced experimentally for use and interpretation by experts, with no guarantee or warranty of the data. Effects such as parallax have not been corrected.**

ML CAPE SB CAPE MU CAPE Theta-e 2m Dewpoint 850 hPa Dewpoint 500 hPa Vorticity 300 hPa Wind Differential Divergence LI & PWAT Shear & SRH Crossover Guide*
RAP Cycle: 2025091615 UTC
Base Reflectivity & UD Helicity Echo Top Hailcast Control Most Unstable CAPE Multi-Layer Cloud Fraction Surface Wind Temperature & Dewpoint 300mb Wind 500mb Vorticity 850mb Theta-e
Rocky MH Red Deer Olds Calgary
Rocky MH Red Deer Olds Springbank
Rocky MH Red Deer Olds Calgary
Rocky MH Red Deer Olds Calgary
QPF Echo Top Updraft Helicity Vertical Velocity Hail (Ensemble Max) Hail (Ensemble Mean)
QPF Echo Top Updraft Helicity Vertical Velocity Hail (Ensemble Max) Hail (Ensemble Mean)
QPF Echo Top Updraft Helicity Vertical Velocity Hail (Ensemble Max) Hail (Ensemble Mean)

2025091600.arw_d02_cyyc.buf2025091600.arw_d02_cyrm.buf2025091600.arw_d02_cyqf.buf2025091600.arw_d02_cybw.buf2025091600.arw_d02_cwav.buf2025091600.arw_d02_cen4.buf2025091600.arw_d02_cen3.buf2025091600.arw_d02_ceh3.buf2025091600.arw_d02_cea3.buf

Calgary Red Deer Rocky Mountain House Springbank Sundre High River Three Hills Ponoka Olds-Didsbury
About WRF
Most Unstable CAPE QPF (Regional) Surface Wind Temperature & Dew Point Simulated IR Satellite HRDPS Total Cloud Fraction Precipitation Rate Reflectivity* RDPS Total Cloud Fraction*
HRDPS Cycle: 2025091606 UTC
QPF Updraft Helicity
QPF Updraft Helicity
QPF Updraft Helicity
Most Unstable CAPE QPF (Regional) Surface Wind Temperature & Dew Point Simulated IR Satellite HRDPS Total Cloud Fraction Precipitation Rate
HRDPS-1km Cycle: 2025090300 UTC
QPF Updraft Helicity
Day 2
QPF Updraft Helicity
~~> Day 3
QPF Updraft Helicity
~~>
Base Reflectivity & UD Helicity Echo Top Multi-Layer Cloud Fraction MUCAPE Temperature & Dew Point
HIRESW Cycle: 20250918 12 UTC
Calgary Olds Red Deer Rocky MH
QPF Echo Top Updraft Helicity VIL
Day 2
QPF Echo Top Updraft Helicity VIL
~~> Day 3
QPF Echo Top Updraft Helicity VIL
~~>
Base Reflectivity & UD Helicity Echo Top Multi-Layer Cloud Fraction MUCAPE Temperature & Dew Point
HIRESW Cycle: 20250918 12 UTC
Calgary Olds Red Deer Rocky MH
QPF Echo Top Updraft Helicity VIL
Day 2
QPF Echo Top Updraft Helicity VIL
~~> Day 3
QPF Echo Top Updraft Helicity VIL
~~>
Calgary Olds Red Deer Rocky MH
NAM Cycle: 20250916 06 UTC
Near-surface Smoke Vertically Integrated Smoke
Calgary Olds Red Deer Rocky MH
RAP Smoke Cycle: 2025091615 UTC
CREF Paintball CREF Stamps Hail Paintball Daily Ens Max Hail
0.5cm 1.2cm 2.1cm 3.3cm 5.0cm
0.5cm 1.2cm 2.1cm 3.3cm 5.0cm
AHSP CREF AHSP Hail Calgary Red Deer Rocky Mountain House Olds/Didsbury
REFS Cycle: 2025091806 UTC
**Note: REFS is experimental/pre-operational**
3/6 hour QPF 500mb Absolute Vorticity 500mb Anomaly Precipitable Water Precipitable Water Anomaly 850mb Water Vapor Flux Upper-Level Jet CAPE and 500 hPa Bulk Shear
Calgary Olds Red Deer Rocky MH
ECMWF Cycle: 20250918 00 UTC
3-hour QPF 500mb Absolute Vorticity Most Unstable CAPE Precipitable Water Surface Temp. Wind and Pressure Upper-Level Jet
Calgary Olds Red Deer
GFS Cycle: 20250916 06 UTC
12-hr CAPEShear > 500 12-hr PoP
24hr Precip CAPE Shear CAPE-Shear PWAT Gust Temperature Dewpoint
24hr Precip CAPE Shear CAPE-Shear PWAT Gust Temperature Dewpoint
24hr Precip CAPE Shear CAPE-Shear PWAT Gust Temperature Dewpoint
24hr Precip CAPE Shear CAPE-Shear PWAT Gust Temperature Dewpoint
GEFS Cycle: 20250918 00 UTC
12-hr Cape-Shear > 500 12-hr PoP Mean 500mb Anomaly
24hr Precip CAPE Shear CAPE-Shear PWAT Temperature Dewpoint
24hr Precip CAPE Shear CAPE-Shear PWAT Temperature Dewpoint
24hr Precip CAPE Shear CAPE-Shear PWAT Temperature Dewpoint
24hr Precip CAPE Shear CAPE-Shear PWAT Temperature Dewpoint
EPS Cycle: 20250918 00 UTC
All available output hours
Control Ensemble Max Postage Stamps Prob > 0.5cm Prob > 1.2cm Prob > 2.1cm Prob > 3.3cm
Daily maxima (12 UTC reset)
Control Ensemble Max Prob > 0.5cm Prob > 1.2cm Prob > 2.1cm Prob > 3.3cm
All available output hours
Control Ensemble Max
Daily maxima (12 UTC reset)
Control Ensemble Max
AHSP Calgary Olds-Didsbury Red Deer Rocky MH Edmonton Bowman
NAM Hailcast Cycle: 2025091612 UTC
All available output hours
Control Ensemble Max Prob > 0.5cm Prob > 1.2cm Prob > 2.1cm Prob > 3.3cm
Daily maxima (12 UTC reset)
Control Ensemble Max Prob > 0.5cm Prob > 1.2cm Prob > 2.1cm Prob > 3.3cm
All available output hours
Control Ensemble Max Prob > 0.5cm Prob > 1.2cm Prob > 2.1cm Prob > 3.3cm
Daily maxima (12 UTC reset)
Control Ensemble Max Prob > 0.5cm Prob > 1.2cm Prob > 2.1cm Prob > 3.3cm
AHSP Calgary Olds-Didsbury Red Deer Rocky MH Edmonton Bowman
SREF Hailcast Cycle: 2025091603 UTC

Lightning Animation Lightning Today Yesterday's Lightning Blitzortung*

Updates on the :03 and :33 Minutes of the Hour

Cumulative Plots and Loops Reset at 1230 UTC

Canada Mesonet Portal*
24-hr Hail Swath
W Cam (Still) W Cam (Loop) N Cam (Still) N Cam (Loop)*

Hours to Animate
1 3 6 12 24

Carstairs (WSW) Still Carstairs (WSW) Timelapse* CYBW Grid CYQF Grid CYRM Grid Northeast Calgary (N) Nose Hill Calgary (S-SE)
Balzac (W) Balzac (W) Bowden (N) Bowden (S) Ponoka (S) Red Deer (N) Red Deer (W) Red Deer (S)
Calgary Traffic Cams* High River Airport (E)*
Visible Longwave IR Sandwich Day Cloud Phase Night Microphysics
Visible Longwave IR Sandwich Day Cloud Phase Night Microphysics
Olds-Didsbury Weather Surface Observations (AWC) Surface Analysis (WPC)
Calgary Red Deer Rocky Mountain House

METAR obs update ten minutes after the hour

Tempest Wx PWS Network*
*External page. Opens in new tab*

Issue Time +00hr Issue Time +06hr Issue Time +12hr
NWS Ob Viewer AWC Surface Observations Prairie Sig. Weather Discussion ECCC Thunderstorm Outlook EC Radar Outage Notices Canada Smoke Forecast RAP/HRRR Smoke Air Quality Observation Map Canadian Drought Monitor

AHSP Season End
Web Services Limited until late May 2026.