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Simulated Imagery · HRRR

Simulated Composite Reflectivity

Short-Range Hours to 3 days

HRRRHigh-Resolution Rapid Refresh RRFSRapid Refresh Forecast System REFSRapid Ensemble Forecast System REFS MembersREFS Members · RRFS Ensemble

Medium-Range Out to 16 days

GFSGlobal Forecast System ECMWFECMWF Integrated Forecasting System GEFSGlobal Ensemble Forecast System NBMNational Blend of Models

Extended & Seasonal Weeks to months

CFS WeeklyClimate Forecast System · Weekly CFS MonthlyClimate Forecast System · Monthly CanSIPSCanadian Seasonal to Interannual Prediction System · Monthly NMMENorth American Multi-Model Ensemble · Monthly

Tropical Hurricane models

HAFS-AHurricane Analysis and Forecast System (A)HAFS-BHurricane Analysis and Forecast System (B)

Regional views Lower 48 Pacific Northern Rockies Northern Plains Great Lakes Southwest Southern Plains Mid-South Deep South & Florida Southeast Northeast Subregions Centered On…

Birmingham, AL Little Rock, AR San Francisco, CA Denver, CO St. Petersburg, FL Des Moines, IA Indianapolis, IN Wichita, KS New Orleans, LA Baltimore, MD Portland, ME Saginaw, MI Minneapolis, MN Charlotte, NC Albuquerque, NM Las Vegas, NV Reno, NV Albany, NY Oklahoma City, OK Salem, OR Pierre, SD Nashville, TN DFW Houston, TX San Antonio, TX Pullman, WA Gillette, WY

State zooms

Alabama Arizona Arkansas California Colorado Connecticut Delaware Florida Georgia Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming

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Radar

Composite Reflectivity Reflectivity + Tiered UH

Satellite

Simulated IR Satellite

Surface fields

Surface Wind Speed Temperature Dewpoint Heat Index Wind Chill Wind Gusts Visibility Mean Sea-Level Pressure Total Cloud Cover

500 mb

Winds & Heights Mid-Level Lift Temperature & RH Vorticity & Lift Geopotential Height Relative Humidity Vertical Motion

925 mb

Winds & Surface Pattern Temperature & RH Relative Humidity

850 mb

Winds & Heights Low-Level Lift Temperature & RH Vertical Motion Geopotential Height Relative Humidity

700 mb

Winds & Heights Temperature & RH Vertical Motion Geopotential Height Relative Humidity Cap Temperature

300 mb

Winds & Heights Upper-Level Lift Temperature & RH Vertical Motion Geopotential Height Relative Humidity

Instability

SBCAPE / SBCIN MLCAPE / MLCIN MUCAPE / MUCIN DCAPE

Low-Level Buoyancy

0–3 km MLCAPE

Parcel Heights

LCL + LFC LFC Height

Lapse Rates

0–3 km Lapse Rate 700–500 mb Lapse Rate

Inhibition

SBCIN MLCIN MUCIN

Low-Level Rotation

0–500 m SRH 0–1 km SRH 0–1 km Bulk Shear 0–3 km SRH

Deep-Layer Organization

0–6 km Bulk Shear

Tornado Parameters

Significant Tornado Parameter 0–500 m Significant Tornado Parameter

Supercell & Hail

Supercell Composite Parameter

Rotation & Stretching

Energy-Helicity Index · 0–1 km Energy-Helicity Index · 0–3 km

Tornado Environment

Tornado Environment Index

Storm Organization

Storm Structure Index

Storm Rotation

Current 2–5 km UH Current 0–3 km UH Tiered Current 2–5 km UH Accumulated 2–5 km UH Tiered Accumulated 2–5 km UH

Tornado

CAPE + Shear Low-Level Tornado Ingredients Tornado Environment Check

Hail

Hail Growth Environment Supercell Hail Environment

Damaging Wind

Organized Damaging Wind Microburst & Momentum Transfer Wet Microburst Environment Bow Echo / MCS Environment

Storm Mode

Cold-Core Supercell Environment

Moisture & Motion

PWAT + Instability + Storm Motion Moisture Return

Moisture & Lift

Deep Moisture & Lift Low-Level Forcing & Moisture

Rainfall & Training

Accumulated Precipitation

Surface Fire Weather

Surface Relative Humidity Temperature & Dryness

Wind & Spread

Surface Wind Speed Surface Wind Gusts

Dry Thunderstorms

Mid-Level Dryness

Smoke & Mixing

Mixing Height

Snow

Snow Depth Total Snowfall

Ice

Freezing Rain Accumulation Total Freezing Rain

Thermal Profile

Freezing Level 2 m Wet-Bulb Temperature

Forecast hour Speed

Loading forecast…Preparing the latest guidance

Current field

Simulated Composite Reflectivity

dBZ · HRRR Forecast

515253545556575

Map layers MLCIN contours MLCAPE contours Composite reflectivity Field extrema Surface wind barbs Modeled observations (temp · wind · dewpoint) MRMS RALA radar Active warnings SPC Convective outlook SPC Fire outlook WPC Excessive Rainfall outlook WPC Winter / WSSI outlook

Use with care

Model guidance is not a warning. Follow official NWS warnings for life-safety decisions.

See more in Titan Track ↗

Scrubbing through the current HRRR forecast cycle.

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