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2009
Fifth Wettest Spring on Record
Severe Weather Hits Southern Illinois
Flood Terminology Can be Misleading
ASTM International Committee on Air Quality Recognizes Jane Rothert with Award of Merit
February: More Rain, Less Snow
Demissie Named Director of Illinois State Water Survey
Second Wettest Year on Record for Illinois
2008
Cool, Dry November Finishes with First Major Snow of the Season
Late October Freeze Ends Growing Season in Illinois
Two Tropical Systems Boost Illinois Rainfall in September
Wet Weather Challenges the 2008 Growing Season
Precipitation Totals Set Records in the Midwest
Wettest January-June on Record for Illinois
Midwest Heavy Rain and Flooding is Compared to 1993 Flood
Wet Weather Continues for Illinois
Third Wettest Start to Year for Illinois
Heavy Rain in Southern Illinois Results in Widespread Flooding
Wettest February Ends Third Wettest Winter
Wide Range of Weather Hits Illinois This Winter
Illinoisans Experience Spring-like Weather in January
2007
ISWS Scientists share in 2007 Nobel Peace Prize
Ninth Warmest Fall on Record for Illinois
Warm October across Illinois Ranks among Top Ten
September, Warm and Dry across Illinois
August Provided Illinois with Extremes: Rainfall Records in North and Drought in South
Illinois Drought Update - 8/30/2007
August Rainfall, Heaviest on Record in Northeastern Illinois
Cooler than Normal July Prevails
End-of-June Rainfall Provides Remarkable Transformation
High-density Network Measures Incredible Differences in Recent Heavy C-U Rains
2007 Governor's Conference on Management of the Illinois River System Scheduled
Dryness and Drought in Illinois
Very Dry May, 8th Warmest on Record
Cool, Wet Weather Slows Northern and Central Illinois Planting
Snowy, Wet February, 9th Coldest on Record
Water Supply and Demand in Illinois - CMAP/RWSPG, February 27, 2007, Chicago, Illinois
January Was Warmer, Wetter than Usual
Grassroots Volunteer Program Wants Weather Watchers in Illinois
2006 Ranks as 9th Warmest Year for Illinois
2006
State and Regional Water-Supply Planning in Illinois (pdf ~740k)
Warm November Precedes Wintry Start to December
Open Forum at Hamburger University, November 17, 2006: Studying Water Availability in Illinois
Champaign City Council Meeting November 7, 2006: Water Supply and Ethanol
Wet October, 9th Coldest on Record
September Was Cooler and Wetter than Normal
Water Supply and Demand in East-Central Illinois: Planning for the Future
Prioritizing Illinois Aquifers and Watersheds for Water Supply Planning (pdf ~2.6mb)
Floodplain Mapping Program Web Site
The 2005 Illinois Drought (pdf ~3.3Mb)
August Was Slightly Warmer and Wetter than Normal
Illinois Climate Update, July 6, 2006 (pdf ~300k)
May Temperatures and Precipitation in Illinois Near Normal
Wet Spring Dispels Drought in Illinois
Spring Frost Date (Illinois State Climatologist) (pdf ~300k)
Agricultural Data (soil temperatures, growing degree days, pest degree days, and soil moisture)
Drought Conditions Worsen in Dry February
Streamflow Maps (Illinois Drought)
Drought Planning for Small Community Water Systems (pdf ~3.2mb)
Illinois Drought Update (pdf ~ 580k)
Second Warmest January on Record in Illinois
Executive Order for the Development of State and Regional Water Supply Plans
December Plunges Illinois into Deep Freeze
2005
No Drought Relief from Low October Rainfall
Rainfall above Normal over Much of Illinois during Warm September
August Rains Provide Limited Drought Relief
Tenth Driest June: Precip Just Half of Normal
Recent Rains Ease Drought Concerns in Western and Southern Illinois
Dry May Wraps Up 4th Driest Spring on Record
The Sediment Budget of the Illinois River
Web Resource Gives Current Weather Effects on Illinois Agriculture
New Program To Provide State-of-the-Art Floodplain Maps for Illinois
MTAC Funds Arsenic, Water Quality, and Drought Planning Research
Pre-Christmas Ohio River Valley Snowstorm Broke All Records: Storm Intensity, Size, and Damages
Warmer, Drier April Could Follow Cool, Dry March
Survey Scientists Developing WNV Forecast Tool
Illinois Frost Dates and Growing Season
Countywide Forecasts of Water Use Available for Illinois and for the Midwest
Unique Weather, A Factor in Record Yields of All Major Crops in Illinois and the Midwest in 2004
County-Level Forecasts of Water Use in Illinois: 2005-2025 (SIU) (pdf ~8.9mb)
Straddling the Divide: Water Supply Planning in the Lake Michigan Region (conference proceedings)
7th Wettest, 15th Warmest Climatological Winter on Record
Regional Conference Addressing Lake Michigan Water Supply
Development of the Regional Climate-Weather Research and Forecasting (CWRF) Model: Surface Boundary Conditions (pdf ~1.9mb)
Precip Statewide and Snowfall in Chicago Area Both Heavy in 6th Wettest January on Record
2004
Bacterial sulfate reduction limits natural arsenic contamination in groundwater
Storm Event Flow and Sediment Simulations in Agricultural Watersheds using DWSM
7th Wettest October Follows 4th Driest September
Maps Help with Timing of Postharvest Nitrogen Fertilizer Applications
Harvest Benefits from 4th Driest September on Record
Not Your Typical Long, Hot Summer
Countywide Projections of Community Water Supply Needs in the Midwest (MTAC) (pdf ~1.3mb)
Climate Atlas Presents Comprehensive Climate Data for Illinois
Comparison of mercury in atmospheric deposition and in Illinois and USA soils
Wet May and Warm Spring Rank among Top Ten in Illinois
Concentrations and Potential Toxicity of Metals and Ammonia in Peoria Lake Sediments and Pore Water (WMRC) (pdf ~3.3Mb)
Arsenic Geochemistry and Distribution in the Mahomet Aquifer (WMRC) (pdf ~4.6Mb)
April Warm and Dry but Soil Moisture Adequate for Now
Wet, Windy March Lives Up to Its Reputation
History and Instrumentation of the Public Service Laboratory
Improved Tracking of Agricultural Pests and Crop Growth
Cool, Dry February but Warm, Dry Winter
Illinois Water Inventory Program (IWIP)
Integrated Water Quantity Planning and Management January 2004 Report (pdf ~80k)
January Goes from Mild to Wild
An Analysis of Groundwater Use to Aquifer Potential Yield in Illinois (pdf ~3.8mb)
Flow dimensions corresponding to hydrogeologic conditions
Changnon Honored at AMS Meeting
Energy Facilities Screening in Illinois: Mine-Mouth Power Plants (ISGS)
Mild December Wraps Up an Average 2003
2003
Mild November Was 8th Wettest on Record
Extreme bugs found in slag dump (BBC News)
Wide Temperature Swings in October
Cool October Follows on Heels of a Cool, Wet September
Mother Nature - Friend or Foe?
Environmental and Societal Impacts of Weather and Climate
Wet Weekend Washes Away August Dry Spell in Illinois
Wet, Cool July Atypical for Illinois
Colder June Temperatures Could Signal a Colder, Wetter Summer
ISWS Video on the Discovery Channel
Quantification of Climate Conditions Important to the Tall Grass Prairie (pdf ~1.3Mb)
At the Confluence: Rivers, Floods, and Water Quality in the St.Louis Region (MBG Press)
Illinois Sets New Tornado Record in May
Heavy Rains Relieve Drought Concerns in Northern Illinois
Water Survey Seeks Permission of Kane County Area Well Owners for Water-Level Measurements
Deficit Precipitation over Northern Illinois Continues
“World Water Day 2003” To Be Observed on March 22
February and Winter 2002–2003 Just Plain Cold
William C. Ackermann Scholarship Recipient, March, 2003
January Cold and Dry, but Winter Temps Near Average
Winter Snowfall Pattern Topsy-Turvy in Illinois
December Temps and Precip Near Average, But 2002 Was a Warm Year
2002
Christmas Won’t be White over Most of Illinois
Help in Preparing Emergency Response Plans Available for Small Public Water Systems
Illinois Was Very Dry, Cold in November and Fall
Water Supply Management Planning in Illinois
History of the Illinois State Water Survey
Colder, Wetter October than Average
Soil Temperature Maps Help with Timing of Nitrogen Fertilizer Application
Warm, Dry Summer Follows Warm, Wet Spring
It’s Almost Time for First Fall Frost in Illinois
Water Quantity Issues Facing Illinois
Illinois August and Summer Hotter than Average in 2002
Delta building in the Gulf of Mexico (Hypoxia)
July 2002: Hot and Dry in Illinois
Hot, Dry Conditions Continue across Illinois
Alternative Crop Suitability Maps
Suitability Maps Available For Illinois Alternative Crops
Historical Climate Data Indicate More Hotter Days Likely in Mid-July
Water Survey Seeks Permission of Kane County Area Well Owners
May 2002, One of the Wettest, Coldest Mays since 1895!
Record-breaking Wet Weather across Illinois Continues
Fourth Wettest April-May Since 1895
Substantial Impacts on Midwest from Heavy Rains and Severe Weather
April 2002, A Month of Tornadoes and Severe Weather in Illinois
March 2002 Reverses Illinois Trend of Above Average Temperatures
When Can Illinois Expect the Last Spring Frost?
Wehrmann to Head ISWS Groundwater Section
Second Warmest December-February on Record in Illinois
2002 W.C. Ackermann Scholarship Awarded
Late January Storm Reduces Concerns over Dry Soil Moisture in Illinois
2001
Warmer December 2001 Means Lower Heating Bills
Energy and the Illinois Environment - Conference Wrap Up
Warm Midwest Temperatures Set All-Time Record for November
October Weather Wrap up and a Look at November Weather
A Plan for Scientific Assessment of Water Supplies in Illinois
A Record-Setting October for the Central Midwest
Wetter than Average October Weather Slowing Harvest but Replenishing Soil Moisture
Daily Soil Temperature Maps Provide Help with Timing of Post-Harvest Nitrogen Applications
When Can Illinois Expect the First Fall Frost?
Late August Rains End Southeast Urbana Dry Spell
Illinois Weather Normal during Summer 2001
Data Indicate Early August Rainstorm in Cook County Unique
Strategic Management Worksheet
Soil Moisture Lacking in Parts of Illinois
Illinois State Climatologist Data
William C. Ackermann Scholarship Recipient, March, 2001
Conditions Dry in Southern and Eastern Illinois This Spring
Illinois Rivers Decision Support System
See-sawing Temperatures Indicate Spring Has Sprung in Central Illinois
Illinois State Water Survey Overview Brochure
December Brings Midwest Near Record-breaking Cold
2000
Chicago Water Conference Highlights
Chief testifies to House Agriculture Committee on water quality.
Illinois Water Supplies: Is the Well Running Dry?, July 18-20, 2000
Illinois State Water Survey - Drought Assessment, July 7, 2000
Illinois State Water Survey - Drought Assessment, June 26, 2000
Illinois State Water Survey - Drought Assessment, June 23, 2000
Illinois State Water Survey - Drought Assessment, June 5, 2000
Illinois State Water Survey - Drought Assessment, May 19, 2000
Illinois State Water Survey - Drought Assessment, May 5, 2000
Illinois State Water Survey - Drought Assessment, April 14, 2000
Environmental Horizons 2000, March 27, 2000
William C. Ackermann Scholarship Recipient, March 20, 2000
Assessment of the Potential for Drought Stress in Illinois, March 8, 2000
Environmental Expo 2000, February 26-27, 2000
Spring Weather Information 2000
Winter Weather Information 2000-2001
1999
ISWS at the Illinois State Fair, Fall, 1999
Chinese Delegation visits the Survey, July 30, 1999
Winter Weather Information 1999-2000
Documents
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2009
Acid Rain Watershed Interactions Revisited (pdf ~25k)
2007
Winstanley, Derek. and Wayne M. Wendland, 2007. Climate Change and Associated Changes to the Water Budget, in "Climate Change and Variations: A Primer for Teachers (Vol. 1)", National Council for Geographic Education Special Publications, in press. (Sample Chapter 6 )
2006
Prioritized Water Quality Research Plan for the Illinois State Water Survey (pdf ~120k)
Evaluation of the Potential for Photovoltaic Power Generation in Illinois (pdf ~350k)
The Water Cycle and Water Budgets in Illinois: A Framework for Drought and Water-Supply Planning (pdf ~6.8mb)
2005
2004-2005 Annual Report (pdf ~ 4.3Mb)
Illinois State Water Survey Strategic Plan (2005) (pdf ~270k)
2004
2003-2004 Annual Report (pdf ~ 2.2Mb)
Illinois State Water Survey Strategic Plan (2004) (pdf ~190k)
2003
2002-2003 Annual Report (pdf ~ 1.4Mb)
Hydrologic Modeling of Climate Scenarios for Two Illinois Watersheds (pdf ~470k)
Hydrologic Modeling of the Iroquois River Watershed Using HSPF and SWAT (pdf ~290k)
Streamflow Frequency Assessment for Water Resource Evaluation (pdf ~40k)
Hydrologic Model of the Vermilion River Watershed for Streamflow Simulations (pdf ~170k)
Illinois State Water Survey Strategic Plan (2003) (pdf ~ 150k)
2002
Water Survey Organizational Chart
2001-2002 Annual Report (pdf ~ 2.0Mb)
Illinois State Water Survey Strategic Plan (2002) (pdf ~ 96k)
2001
2000-2001 Annual Report (pdf ~ 2.0Mb)
Illinois State Water Survey Overview Brochure
2000
Illinois State Water Survey Strategic Plan
1999-2000 Annual Report (pdf ~ 2.4Mb) hi-res (pdf ~ 5.1Mb)
Nitrogen in the Nation's Rain (NADP)
Illinois Water & Climate Summary (back issues)
1999
1998-1999 Annual Report (pdf - 1.1 Mb)
Joint Strategic Plan, May, 1999
Illinois in the 21st Century: the Scientific Surveys
1998
1997-1998 Annual Report (HTML)
Winter Weather Information 1998-1999