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Map Reported Data RWIS Data Citizen Reporting Program FAQ

Current Road Conditions

The UDOT Citizen Reporting Program enlists volunteers to report on current road conditions along specific roadway segments across Utah. The volunteers can be UDOT employees, law enforcement, truck drivers, plow drivers, experienced commuters, or other volunteers. The long term goal of adding Citizen Reporters to UDOT’s weather operations road reporting is to supplement current condition reporting on segments where drivers are already traveling.

Current and forecast weather conditions are a critical part of traveler information in Utah. Utah has many high mountain passes and rural routes that frequently experience hazardous winter weather, and accurate road condition information for these routes is vital for traveler safety and route planning. Citizen Reporters will help to enhance UDOT’s coverage of road weather reporting by providing data on road segments throughout the state of Utah. UDOT has a network of Road Weather Information Stations (RWIS), traffic cameras and Traveler Information Meteorologists that help to create a road conditions report. UDOT also utilizes reports from snow plow crews. See the diagram below for additional information:

How does UDOT compile all of the incoming data and determine the appropriate road/weather conditions?

UDOT has a sophisticated network of Road Weather Information Systems (RWIS) deployed throughout the state. These RWIS units collect road and weather data and transmit the data back to the UDOT Traffic Operations Center (TOC). Meteorologists at the TOC use this information to verify the conditions seen on atmospheric models. UDOT also receives valuable road/weather information from its plow drivers, and with the launch of the Citizen Reporter Program, trained volunteer reporters. All of the incoming data is compiled with carefully crafted logic to determine the condition of the road surface. Reports from plow drivers, law enforcement and other experienced reporters may be utilized in a different way than volunteer citizen data, however all data is immensely valuable and helpful in determining the condition of the road surface.

How do I become a UDOT Citizen Reporter?

In order to become a UDOT Citizen Reporter, you will need to complete a brief training (either online or in person), take a short quiz and complete a sign-up form. The training takes approximately 30 minutes. Once a volunteer has completed these steps, they will be provided with a login and PIN, and can begin submitting reports. Reports are submitted through the UDOT Citizen Reporting app, downloadable for Android and Apple devices from the iStore or Android Market.

If you would like to become a Citizen Reporter, please follow this link to take the online training: Citizen Reporting Training. For more information or to schedule an in person training, contact UDOT Citizen Reporting program at udotcitizenreporter@utah.gov

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	Degree of caution	Weather Impact on Travel	Recommended Action
GREEN	Low	Minimal	Normal Caution
YELLOW	Moderate	Minor/intermittent weather related road concerns anticipated	Monitor 511, UDOT Traffic Web page and NWS Weather Forecasts.
RED	High	Travel expected to be impaired. Be prepared for hazardous road conditions	Monitor 511, UDOT Traffic Web page and NWS weather forecasts. Be prepared to alter travel plans as necessary

Reported Road Weather Conditions

Location	Weather	Road Condition	Restriction	Last Updated
SR-31 Fairview Canyon	snow	patchy snow	chains or 4WD required	3/11/2014 3:16:55 AM
SR-31 Huntington Canyon	snow	patchy snow	snow tires chains or 4WD advised	3/11/2014 3:16:56 AM
SR-39 Ogden to Jct. SR-167 Trappers Loop	snow	wet	none	3/11/2014 3:16:41 AM
SR-153 Beaver to Elk Meadows	overcast	icy spots	none	3/11/2014 3:16:51 AM
US-40 Through Daniels Canyon	mixed rain and snow	patchy snow	snow tires chains or 4WD advised	3/11/2014 3:16:49 AM
US-89 Upper Logan Canyon and Logan Summit	snow	snow covered	none	3/11/2014 3:16:44 AM
US-89 Lower Logan Canyon	snow	slushy	none	3/11/2014 3:16:42 AM
US-89/91 I-15 to Wellsville via Sardine Summit	snow	slushy	none	3/11/2014 3:16:44 AM
SR-92 to Sundance	overcast	wet	none	3/11/2014 3:16:47 AM
SR-153 Elk Meadows to Puffer Lake	overcast	icy spots	none	3/11/2014 3:16:52 AM
SR-158 to Powder Mountain	snow	patchy snow	snow tires chains or 4WD advised	3/11/2014 3:16:41 AM
SR-167 Trappers Loop I-84 to Huntsville	snow	wet	none	3/11/2014 3:16:41 AM
US-189 Provo Canyon	overcast	wet	none	3/11/2014 3:16:47 AM
SR-226 to Snowbasin	snow	icy spots	none	3/11/2014 3:16:41 AM
US-191 Duchesne to Helper through Indian Canyon	snow	patchy snow	none	3/11/2014 3:16:47 AM
SR-143 Parowan to Brian Head	partly cloudy	icy spots	snow tires chains or 4WD advised	3/11/2014 3:16:51 AM
SR-143 Panguitch to Mammoth Creek Road	partly cloudy	dry	snow tires chains or 4WD advised	3/11/2014 3:16:55 AM
SR-143 Brian Head to Mammoth Creek Road	blowing snow	icy spots	snow tires chains or 4WD advised	3/11/2014 3:16:51 AM
SR-39 Jct. SR-167 Trappers Loop to Monte Cristo	snow	patchy snow	snow tires chains or 4WD advised	3/11/2014 3:16:41 AM

* Click on a column name to sort the data by that column. Click on the same column a second time to reverse the order.

Road Weather Station Data

Site	Air Temp °F	Wind Dir	Wind Speed (MPH)	Wind Gust (MPH)	Precip	% Relative Humidity	Road Temp °F	Road Surface
	Atmospherics						Road Conditions
I-15 @ Plymouth	37	NW	17	23		71
I-15 @ Tremonton	37	W	9	12		67	41	Dry
I-15 @ Willard POE	38	NE	3	7		67	42	Dry
I-15 @ Centerville	39	W	9	14		68	42	Dry
I-15 @ 500 S	40	W	16	22		57
I-15 @ 600 S	40	N	0	0		58		Dry
I-15 @ 2400 S	40	NW	10	21	Light	56
I-15 @ 6200 S	40	NW	9	18	Light	54
I-15 @ 9000 S	40	NW	7	16		50
I-15 @ 14700 S	37	NW	6	14		63
I-15 @ Alpine Pt of Mtn	36	N	21	29		63	39	Dry
I-15 @ Orem	38	NW	9	17		63	44	Dry
I-15 @ Provo	40	W	15	21		52	46	Dry
Portable RWIS 2	37	W	2	6		58	35	Damp
I-15 @ Sevier River	36	W	2	5		64	41	Dry
I-15 @ Scipio Summit	31	W	7	9		70	42	Dry
I-15 @ Dog Valley	32	N	10	13		66	37	Dry
I-15 @ Black Ridge	39	NE	13	23		46

* Click on a column name to sort the data by that column. Click on the same column a second time to reverse the order.

UDOT Traffic Road Weather FAQ

How does a road weather forecast differ from the forecast I see on the news at night?

A road weather forecast only concentrates on weather that impacts travel. For example, 3 inches of snow might be forecast to stick on the grass, but roads may remain wet.

What is an RWIS?

RWIS stands for Road Weather Information System. UDOT maintains a network of RWIS weather stations across the state of Utah. RWIS stations have atmospheric sensors, road sensors and cameras. These instruments measure air temperature, wind speed and direction, precipitation, road temperature, road surface condition, and other variables.

What do you do with the information you collect from RWIS sites and how does it help me travel?

RWIS stations provide critical information to a team of UDOT meteorologists and plow crews to help keep roads free of snow. RWIS stations also help inform the public of what the road conditions are like around the state.

Where can I get forecasted road weather impacts from UDOT?

UDOT provides road weather forecasts in 5 different locations.

The 511 travel information line
On UDOTTraffic.utah.gov under "Additional Info" click "Road Weather Alert" (when flashing)
On UDOTTraffic.utah.gov in the top center of the page click "Road Weather"

The "Current Conditions" tab (October 1 ‐ March 31) has updated road conditions on 141 segments of Utah's roads.
The "Road Conditions Forecast" tab is updated by meteorologists at the TOC to help motorists know what to expect for three 6 hour time blocks on 63 segments of Utah's Interstates and Highways.

Download the free "UDOT Traffic" app for Apple or Android devices.
Follow UDOT Traffic on Twitter.

What is a "Road Weather Alert"?

A Road Weather Alert is a road weather forecast of expected statewide storm impacts to Utah's roads. Road Weather Alerts are issued before and during weather systems that will/are affecting travel on Utah's roads.

How do I read the weather symbols on the UDOT Traffic app?

Forecasted Road Conditions

	Degree of caution	Weather Impact on Travel	Recommended Action
GREEN	Low	Minimal	Normal Caution
YELLOW	Moderate	Minor/intermittent weather related road concerns anticipated	Monitor 511, UDOT Traffic Web page and NWS Weather Forecasts.
RED	High	Travel expected to be impaired. Be prepared for hazardous road conditions	Monitor 511, UDOT Traffic Web page and NWS weather forecasts. Be prepared to alter travel plans as necessary

National Weather Service City Forecasts

Last Updated - 3:22 AM Tuesday, March 11, 2014

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z | ALL

City	Forecast	Forecast
Alpine	Overnight Snow showers likely. Mostly cloudy, with a steady temperature around 36. North wind around 17 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.	Tuesday Snow showers likely. Mostly cloudy, with a high near 45. North northwest wind 13 to 16 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Alta	Overnight Snow showers. Steady temperature around 16. Wind chill values as low as -6. Windy, with a northwest wind around 32 mph, with gusts as high as 46 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 3 to 7 inches possible.	Tuesday Snow showers. High near 21. Wind chill values as low as -8. Blustery, with a northwest wind 23 to 28 mph decreasing to 13 to 18 mph in the afternoon. Winds could gust as high as 41 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Altamont	Overnight A chance of rain and snow showers. Mostly cloudy, with a steady temperature around 29. Blustery, with a west northwest wind around 28 mph, with gusts as high as 41 mph. Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.	Tuesday A 30 percent chance of snow showers. Partly sunny, with a high near 46. Windy, with a west northwest wind 20 to 30 mph becoming northeast 7 to 12 mph in the afternoon. Winds could gust as high as 44 mph. New snow accumulation of less than one inch possible.
Alton	Overnight A chance of rain and snow showers. Mostly cloudy, with a low around 27. Blustery, with a north wind around 26 mph, with gusts as high as 40 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.	Tuesday Sunny, with a high near 45. Breezy, with a north wind 23 to 29 mph, with gusts as high as 43 mph.
Amalga	Overnight Rain and snow showers likely. Cloudy, with a steady temperature around 37. South southwest wind around 10 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.	Tuesday Snow showers likely before noon, then rain and snow showers likely. Mostly cloudy, with a high near 47. South wind 5 to 11 mph becoming north in the afternoon. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
American Fork	Overnight Rain and snow showers likely. Mostly cloudy, with a steady temperature around 37. North northwest wind around 14 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.	Tuesday Snow showers likely before noon, then rain and snow showers likely. Mostly cloudy, with a high near 47. North northwest wind 13 to 18 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Annabella	Overnight Rain and snow showers likely. Mostly cloudy, with a low around 29. South southeast wind around 10 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.	Tuesday A 20 percent chance of snow showers. Partly sunny, with a high near 47. South wind 9 to 15 mph becoming northeast in the afternoon.
Antimony	Overnight A chance of rain and snow showers. Mostly cloudy, with a low around 27. North northwest wind around 16 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.	Tuesday A 20 percent chance of snow showers. Partly sunny, with a high near 46. Breezy, with a west northwest wind 14 to 19 mph becoming north 20 to 25 mph in the afternoon. Winds could gust as high as 39 mph.
Aurora	Overnight Rain and snow showers likely. Mostly cloudy, with a steady temperature around 34. North northwest wind around 13 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.	Tuesday A chance of snow showers before noon, then a chance of rain and snow showers. Partly sunny, with a high near 47. West southwest wind 8 to 14 mph becoming north northeast in the morning. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Ballard	Overnight A 20 percent chance of snow. Mostly cloudy, with a low around 27. West wind around 15 mph, with gusts as high as 25 mph.	Tuesday A slight chance of snow, mixing with rain after 9am, then gradually ending. Partly sunny, with a high near 52. West northwest wind 5 to 15 mph becoming east northeast in the morning. Chance of precipitation is 20%.
Bear River	Overnight Rain and snow showers likely. Cloudy, with a steady temperature around 38. South southwest wind around 10 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.	Tuesday Snow showers likely before noon, then rain and snow showers likely. Mostly cloudy, with a high near 48. South southeast wind 8 to 11 mph becoming north in the afternoon. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Beaver	Overnight Partly cloudy, with a low around 28. North wind around 21 mph.	Tuesday Sunny, with a high near 45. Breezy, with a north wind 16 to 22 mph.
Bicknell	Overnight A 50 percent chance of snow showers. Mostly cloudy, with a steady temperature around 27. Blustery, with a west northwest wind around 25 mph, with gusts as high as 39 mph. Total nighttime snow accumulation of less than a half inch possible.	Tuesday A 40 percent chance of snow showers. Partly sunny, with a high near 43. Breezy, with a west wind 18 to 23 mph becoming north northwest 8 to 13 mph in the afternoon. New snow accumulation of less than a half inch possible.
Big Water	Overnight Partly cloudy, with a steady temperature around 42. West wind around 16 mph.	Tuesday Sunny, with a high near 59. West wind 15 to 20 mph becoming east southeast 7 to 12 mph in the afternoon.
Blanding	Overnight Partly cloudy, with a low around 34. North northwest wind around 15 mph, with gusts as high as 25 mph.	Tuesday Mostly sunny, with a high near 48. Breezy, with a north northwest wind 15 to 20 mph.
Bluffdale	Overnight Rain and snow showers likely. Cloudy, with a steady temperature around 40. North wind around 15 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.	Tuesday Snow showers likely before noon, then rain and snow showers likely. Mostly cloudy, with a high near 45. North wind around 14 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Boulder	Overnight A 20 percent chance of showers. Mostly cloudy, with a low around 30. North wind around 11 mph.	Tuesday Sunny, with a high near 47. Light and variable wind becoming north northeast 15 to 20 mph in the afternoon.
Bountiful	Overnight Rain and snow showers likely. Cloudy, with a steady temperature around 37. North northeast wind around 15 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.	Tuesday Snow showers likely before noon, then rain and snow showers likely. Cloudy, with a high near 48. East northeast wind 6 to 11 mph becoming northwest in the afternoon. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Brian Head	Overnight A 50 percent chance of snow showers. Mostly cloudy, with a steady temperature around 23. Windy, with a north northeast wind around 30 mph, with gusts as high as 44 mph. Total nighttime snow accumulation of less than a half inch possible.	Tuesday A 20 percent chance of snow showers. Partly sunny, with a high near 30. Windy, with a north northeast wind 26 to 32 mph, with gusts as high as 46 mph.
Brigham City	Overnight Rain and snow showers likely. Cloudy, with a steady temperature around 37. South wind around 11 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.	Tuesday Snow showers likely before noon, then rain and snow showers likely. Mostly cloudy, with a high near 48. South wind 5 to 9 mph becoming calm. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
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* Click on City column name to sort the data by that column. Click on the same column a second time to reverse the order.

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