Find out what to expect for the 2014 Winter Season. Tovar has you covered! #Rockinthesalt

1. Winter Weather Outlook
Prepared for:
Tovar Snow Professionals
September 15, 2014

2. Murray and Trettel Inc.
Company Profile
Murray and Trettel Inc. At-A-Glance
 Founded – 1946
• John R. Murray
• Dennis W. Trettel
 Headquarters – Palatine, Illinois
 Employees – 21
 2 Offices – Illinois and Pennsylvania
 Listed – Dun and Bradstreet

3. Murray and Trettel Inc.
Company Profile
Murray and Trettel Inc. – Expertise
 Operational Forecast Division
• Operates 24/7, 365 days a year
 Environmental Applications Division
• Weather/ Air Quality Monitoring
 Forensic Meteorology
• Research/Climatology
 Wind Energy
• Meteorological Instrument Towers
• Wind Resource Assessment

4. Murray and Trettel Inc.
Company Profile
TYPES OF CLIENTS
 Any business or government entity that can be
impacted by the weather is a potential Murray and
Trettel client. The following is a sample list of some of
the types of clients currently using our services.
–Contract Snow Plow Companies
–Concrete and Asphalt Contractors
–Radio Broadcasters
– State/County Highway Departments

5. Murray and Trettel Inc.
Company Profile
TYPES OF CLIENTS (continued)
–Airports
– Professional Sports Teams
–Large Corporate Campuses
–Railroads
–Attorneys
–Car Wash Operators

6. Murray and Trettel Inc.
Company Profile
TYPES OF CLIENTS (continued)
–General Contractors
–Landscape Companies
– Steel Manufacturers
–Large Industrial Facilities
– Property Managers
–Natural Gas Utilities

7. Murray and Trettel Inc.
Company Profile
TYPES OF CLIENTS (continued)
–Wind Energy
–Nuclear Power Generating Plants
– Public Works Departments
– Park Districts
–Departments of Transportation
–Large Metropolitan Cities
–Water Reclamation Districts

8. O’Hare Season Snowfall
30 Year Normal = 36.7
1994-95 24.1 2004-05 39.4
1995-96 23.9 2005-06 26.0
1996-97 40.6 2006-07 35.6
1997-98 29.6 2007-08 60.3
1998-99 50.9 2008-09 52.7
1999-00 30.3 2009-10 54.2
2000-01 39.2 2010-11 57.9
2001-02 31.1 2011-12 19.8
2002-03 28.6 2012-13 30.1
2003-04 24.8 2013-14 82.0

9. 2013-14
Snowfall Totals
North

10. 2013-14
Snowfall Totals
South

11. Winter Outlook
Method A
Compare to past
Spring-Summer Weather
 June- August 2014
– Overall Temperatures Near Normal
– Rainfall much above normal
– June and August each 7+ inches
 Look for similar summer weather
– 1980-81 = 35.0 snow
– 1981-82 = 59.3 snow
– 1993-94 = 41.8 snow
– 2001-02 = 31.1 snow
 Outlook 2014-15
– Season Snowfall Total = 36.0

12. Winter Outlook
Method B
Try to determine
Jet Stream Patterns in Winter Months
Various Global Oscillations
–Arctic Oscillation
–North Atlantic Oscillation
–El Nino / La Nina
– Pacific Decadal Oscillation

13. Winter Outlook
Various Atmospheric Models
NCEP CFS version 2 ECMWF model
NASA GMAO model UKMO model
Japan Met. Agency model KMA (Korea) SNU model
Scripps Inst. HCM ESSIC Intermed
Coupled model
Lamont-Doherty model COLA CCSM3 model
POAMA (Austr) model MÉTÉO FRANCE model

14. Dec 2014 – Feb 2015
NWS 3-Month Outlook
Temperature
Precipitation

15. Murray and Trettel, Inc.
SUMMARY
Winter Outlook – O’Hare Airport
 Method A
Snowfall: 36.0 inches (Average: 36.7)
Temperature: Dec 2014 – Above Normal
Jan 2015 – Below Normal
Feb 2015 – Above Normal
 Method B
Snowfall: 39.8 inches (Average 36.7)
Temperature:Dec 2014 – Above Normal
Jan 2015 – Below Normal
Feb 2015 – Below Normal

16. David James
Sales and Marketing
Meteorologist
Office Direct: 847-934-8150
Cell: 847-494-2220
Email:david.james@weathercommand.com