Topics
Home Current Weather Forecast Links Archived Data Archived Events
Properties of the Atmosphere
Meteorological Measurements
Weather Maps
Forecasting and Simulating Severe Weather
Atmospheric Stability
Forces and Force Balances
The Development of High- and Low-Pressure Systems
Airmasses and Fronts
Extratropical Cyclones Forming East of the Rocky Mountains
Extratropical Cyclones Forming Along the East and Gulf Coasts
Freezing Precipitation and Ice Storms
Lake Effect Snowstorms
Cold Waves
Great Plains Blizzards
Mountain Snowstorms
Mountain Windstorms
Thunderstorms
Tornadoes
Hailstorms
Lightning
Downbursts
El Niño, La Niña, and the Southern Oscillation
Tropical Cyclones
Floods
Drought
Heat Waves

Current Weather

Severe Thunderstorms / Heavy Rain
Time Available Information
Storm Reports Severe Reports: Yesterday, Today | Local Storm Reports (text)
Current Watches/Warnings | Watch boxes | Mesoscale discussions | Recent severe storm warnings | NWS warnings
Winter weather warnings
Forecast Severe outlook: Today, Tomorrow, Day 3 | Fire Weather
Day 3-10 weather threats
Precip forecast: Excessive Rainfall | Day-1 / Day-2 / Day-3 | River Flooding
Excessive Snow: 6-18 hr. / 18-30 hr. / 2-Day
Sources
NOAA/HPC | NWS | OSU| SPC

Tropical
Data Available information
Data Sources National Hurricane Center
Tropical Page at the U Wisc.-Madison
NRL - Tropical Cyclone Page
Atlantic Tropical Weather Center
Advisories/Outlooks/
Tracks
Tropical Discussion | Hurricane Damage Reports
Current tracks: Atlantic | NE Pacific | World | Other oceans
Sea-Surface Temp Global: UW / Navy / Anomalies (Navy)
Winds & Analyses Atlantic: shear | shear tendency | divergence | low-level winds | upper-level winds
Pacific: shear | shear tendency | divergence | low-level winds | upper-level winds

Observations & Local Conditions
Data Available information
Recent Data (temp/rain/snow) Temperature: 24h change
Precip: 24-hr precip / weekly precip / 7-day Precip | 1-month Precip | 3-month Precip | 12-month Precip | % of Normal Precip
Current Conditions Obs: U.S. / NW / SW / N Plains / S Plains / Midwest / NE / Mid-Atlantic / SE
Regional Obs: NV / CO / SD / KS / TX / AL / MN / IN / NY / AK
Mexico/ Caribbean || Canada: W / E / N | North Pole Obs
Sources
CPC | Illinois | Intellicast | Penn State | RAP | Unisys U of Cologne

Surface Maps
Data Available information
Images Surface Analysis | Surface + radar
Temp | Dewpoint | Pressure | SLP/Wind | SLP/Temp | SLP/Dewpt
US Snow Cover | US Snow Depth
COD surface maps: several contoured map combinations
North American Temperatures | North Pole Surface Map
Sources
Illinois | OSU | Penn State | Unisys | U of Cologne

Upper Air Data
Data Available information
Maps 925 mb | 850 | 700 | 500 | 300 | 250 |
            | 850 | 700 | 500 | 300 | 250 |
            | 850 | 700 | 500 | 300 | 250 | 200 |
Soundings
Plymouth State | U. Wyoming | COD
Profilers COD | RAP | FSL
Sources
COD | FSL | PSC | RAP | Wisc | Wyoming |

Satellite
Data Available information
United States Images GOES8/10: VIS | IR | WV | IR/SLP | Sea ice & snow cover
GOES8 (east): vis + winds | ir + winds | wv + winds
GOES10 (west): vis + winds | ir + winds | wv + winds
VIS, WV, IR-color, IR-b/w: clickable satellite + animation
Regional Satellite Loops
World Images Global: montage | ir | vapor
Atlantic: VIS/ IR/ WV/ WV Winds -- Gulf of Mexico: VIS/ IR
Eastern Caribbean: VIS/ IR -- Europe: IR -- Eastern Pacific: VIS/ IR/ WV/ WV Winds
Full Disk GOES-11: IR | VIS | WV -- GOES-12: IR | VIS | WV
Indian Ocean: VIS | IR
Sources
Arctic | CIRA | GOES | Illinois | Meteo-France | RAP | Wisconsin

Radar
Data Available information
Local Radar NWS KILX | All NWS local radars
Regional Radar NCAR Regional radar loops
COD Regional radar loops
U.S. Radar NWS National | NWS Loop
US Radar | US Radar Loop| US Radar: Plymouth
Sources
COD | Intellicast | NWS


Other links
WW2010 Link Weather World 2010 - online guides to meteorology
Severe Storm Glossary

Department of Atmospheric Sciences Severe and Hazardous Weather at Department of Atmospheric Sciences University of Illinois
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