The website has been designed and supported by Raspisaniye Pogodi Ltd., St. Petersburg, Russia, since 2004. The company has the license for activity in hydrometeorology and in adjacent fields.

The website provides six-day weather forecasts and information on the actual weather, observed at ground stations. The forecasts are prepared by the Met Office, the United Kingdom, and available on the website under the contract between the Met Office and Raspisaniye Pogodi Ltd. Information on the actual weather comes from the server of international data exchange, NOAA, the United States, in SYNOP and METAR formats.

Forecasts are completely updated on the website twice a day: at 05:30 and 17:30 UTC. The latest observational data in SYNOP format is available on the website eight times a day, every three hours: as a rule, by 0:30, 3:30, 6:30 9:30, 12:30, 15:30, 18:30 and 21:30 UTC. The latest observations in METAR format appear on the website once or twice per hour, approximately in 10 minutes after weather observations have been made at the weather station.

Currently our website provides weather forecasts for 172'500 locations, as well as observational data, reported from 9'800 SYNOP weather stations, 5'400 METAR weather stations and 250 coastal stations (KH-02 format).

Weather information is provided in tabular form indicating the exact point in time. Therefore the website name is "Reliable Prognosis".

rp5.ru means:
rp - Reliable Prognosis
5 - as website visitors consider, accuracy of our forecasts is worthy of the mark "5" (excellent) under the 5-point grading scale
.ru - in Russia

Warning

Weather forecasts are never 100% accurate. The observed weather conditions often contradict the forecasts. We strongly recommend that you do not rely on this website as the only source of weather information, but consider your life experience and common sense when making decisions. The owner and the staff are not responsible for any damage that may result from use of information of the website.