Weather Forecasting Contest for Orlando-Executive, FL (KORL)

Tomorrow

Forecast at a Glance from the National Weather Service

Tonight

Partly Cloudy
Partly
Cloudy
Lo 67 °F
Monday

Mostly Sunny
Mostly
Sunny
Hi 87 °F
Monday
Night

Partly Cloudy
Partly
Cloudy
Lo 68 °F
Tuesday

Mostly Sunny
Mostly
Sunny
Hi 91 °F
Tuesday
Night

Partly Cloudy
Partly
Cloudy
Lo 71 °F
Wednesday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%
Slight Chc
Tstms
Hi 92 °F
Wednesday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%
Slight Chc
Tstms
Lo 70 °F
Thursday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%
Slight Chc
Tstms
Hi 91 °F
Thursday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%
Slight Chc
Tstms
Lo 73 °F

Go to National Weather Service page
Detailed site information

Weather Forecasts for Monday 21 May 2012

Forecaster Tmin(F) Tmax(F) Precip(in) Comment
NWS-MOS-GFS-18-DAY2 67 88 0
NWS-MOS-NAM-12-DAY1 68 91 0
NWS-MOS-GFS-06-DAY1 67 88 0
NWS-MOS-GFS-00-DAY1 67 87 0
NWS-MOS-NAM-00-DAY1 68 90 0
NWS-MOS-GFS-12-DAY1 68 88 0
NWS-MOS-GFS-06-DAY2 67 88 0
NWS-MOS-NAM-12-DAY2 68 90 0
NWS-MOS-GFS-12-DAY2 67 89 0

A Sample Forecasting Procedure


Weather forecasters look at many types of data to help them build a forecast, and each forecaster will have their own approach. Here is a simple procedure to get you started.
  1. First look at current weather conditions:

    Surface Analysis

    Visible
    Satellite

    Infrared
    Satellite

    Radar

    A good stating point for formulating your forecast will be determining what is happening around the country today. Where are the major weather systems? Where has it been hot? Where has it been raining? Is any of this weather moving towards my forecasting site over the next forecasting period?
  2. Look at the National Weather Service hourly weather forecast graph and the forecast of fronts and precipitation:

    Graph

    Fronts/Precip
    Remember that the forecast day goes from about midnight to midnight local time. We forecast for a daily High and Low. The Low is typically recorded in the early morning hours of the day, while the high is generally reached in the afternoon. But check the hourly graph for the possibility that the Low and High might come at different times. For example, if a strong cold front comes through early in the day, the High might be in the early morning hours and the temperature might fall for the rest of the day, and the Low would be at the very end of the day.
  3. Look at National Weather Service precipitation forecasts:

    Precip
    The times for these plots are in UTC (or GMT); a contest day goes from 0600 UTC (about midnight in most of the U.S.) to 0600 UTC the next day. Click on the plots corresponding to those hours. Your precip forecast is for the whole day, so you would add the amounts from each 6- or 12-hr plot to calculate what the NWS is predicting for the entire contest day. Remember that you need to predict the amount in inches, and most locations receive amounts over one inch only a few times each year. On most days the precip forecast should be zero, and for many others it will be a few hundredths of an inch (e.g. 0.15 inches).
  4. Check and submit your forecast:
    Once you have determined your high, low, and precipitation amount, check it with the computer model forecasts shown in the table above. Are you close? Generally it’s a good idea to be fairly close to these computer forecasts, because they're typically quite good. Once you've entered your forecast in the form above, click the Submit button.

Legend

This Month's Division Leaders
 M month division wins in last year
 W week division wins in last month
 D day division wins in last week
Elementary School Divisions
Middle School Divisions
High School Divisions
College Divisions
Teacher Division
Open Division
Computer Division
Consensus Division
Reference Division

Today


Click for Orlando-Executive, FL (KORL) Forecast

Weather Forecasts for Sunday 20 May 2012

ForecasterTminTmaxPrecipComment
OBSERVED69890Observed data through: 17:53 EDT.
Consensus
MEDIAN6986.50
CONSENSUS-168.686.90
Computer
NWS-MOS-GFS-18-DAY268860
NWS-MOS-NAM-12-DAY169880
NWS-MOS-GFS-06-DAY168870
NWS-MOS-GFS-00-DAY069860
NWS-MOS-NAM-00-DAY070880
NWS-MOS-GFS-18-DAY168860
NWS-MOS-GFS-00-DAY167870
NWS-MOS-NAM-00-DAY170890
NWS-MOS-GFS-12-DAY168860
NWS-MOS-NAM-12-DAY270890
NWS-MOS-GFS-12-DAY269860
NWS-MOS-GFS-06-DAY269860
Reference
PERSISTENCE70880

Legend

This Month's Division Leaders
 M month division wins in last year
 W week division wins in last month
 D day division wins in last week
Elementary School Divisions
Middle School Divisions
High School Divisions
College Divisions
Teacher Division
Open Division
Computer Division
Consensus Division
Reference Division

Yesterday

Weather Forecasts for Saturday 19 May 2012

ForecasterTmin
(score)
Tmax
(score)
Precip
(score)
CommentDay
Score
Division
Points
OBSERVED70880Data FINAL. Scores COMPLETE.
Consensus
CONSENSUS-169.5 (0.5)87.7 (0.3)0 (0)0.8
MEDIAN69 (1)88 (0)0 (0)1
Computer
NWS-MOS-GFS-06-DAY170 (0)88 (0)0 (0)0
NWS-MOS-GFS-18-DAY269 (1)88 (0)0 (0)1
NWS-MOS-NAM-00-DAY071 (1)88 (0)0 (0)1
NWS-MOS-GFS-00-DAY169 (1)88 (0)0 (0)1
NWS-MOS-GFS-12-DAY170 (0)87 (1)0 (0)1
NWS-MOS-GFS-12-DAY269 (1)88 (0)0 (0)1
NWS-MOS-NAM-12-DAY269 (1)88 (0)0 (0)1
NWS-MOS-NAM-12-DAY169 (1)89 (1)0 (0)2
NWS-MOS-NAM-00-DAY172 (2)88 (0)0 (0)2
NWS-MOS-GFS-06-DAY269 (1)87 (1)0 (0)2
NWS-MOS-GFS-00-DAY069 (1)86 (2)0 (0)3
NWS-MOS-GFS-18-DAY168 (2)86 (2)0 (0)4
Reference
PERSISTENCE68 (2)88 (0)0.01 (2)4

Daily Weather Map page

Results for Previous Days

Friday 18 May 2012
Thursday 17 May 2012
Wednesday 16 May 2012
Tuesday 15 May 2012

Legend

This Month's Division Leaders
 M month division wins in last year
 W week division wins in last month
 D day division wins in last week
Elementary School Divisions
Middle School Divisions
High School Divisions
College Divisions
Teacher Division
Open Division
Computer Division
Consensus Division
Reference Division

Standings

Leading Weather Forecasters for Week of Sun 13 May 2012 - Sat 19 May 2012

RankForecaster# ForecastsTmin
Score
Tmax
Score
Precip
Score
Week
Score
Division
Points

Leading Weather Forecasters for May 2012

RankForecaster# ForecastsTmin
Score
Tmax
Score
Precip
Score
Month
Score
Division
Points

Legend

This Month's Division Leaders
 M month division wins in last year
 W week division wins in last month
 D day division wins in last week
Elementary School Divisions
Middle School Divisions
High School Divisions
College Divisions
Teacher Division
Open Division
Computer Division
Consensus Division
Reference Division

Top Forecasters

Highest-Rated Forecasters, All Divisions

Higher numbers are better, minimum of 5 forecasts
RankForecaster# ForecastsForecaster Rating
1MEDIAN6111.0

Legend

This Month's Division Leaders
 M month division wins in last year
 W week division wins in last month
 D day division wins in last week
Elementary School Divisions
Middle School Divisions
High School Divisions
College Divisions
Teacher Division
Open Division
Computer Division
Consensus Division
Reference Division

Weather for Orlando-Executive, Florida (KORL)

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