Flash Flood Watch for southwest Utah... scattered thunderstorms will continue to develop over southwest and south central Utah. The strongest storms at 400 PM were located in western Iron County and central Beaver County. Heavy rainfall and hail are possible with some storms...along with dangerous cloud to ground lightning and strong gusty winds.
Forecast for Southwest Utah
更新日時: 3:31 PM MDT on July 20, 2008
Flash Flood Watch in effect until 10 PM MDT this evening...
Tonight
Partly cloudy with scattered showers and thunderstorms. Some thunderstorms may produce heavy rainfall. Lows around 60. Chance of precipitation 40 percent.
Monday
Partly cloudy with scattered showers and thunderstorms. Some thunderstorms may produce heavy rainfall. Highs in the mid 80s. Chance of precipitation 40 percent.
Monday Night
Scattered showers and thunderstorms in the evening...then a slight chance of showers and thunderstorms after midnight. Partly cloudy. Some thunderstorms may produce heavy rainfall in the evening. Lows around 60. Chance of precipitation 40 percent.
Tuesday
A slight chance of showers and thunderstorms in the morning...then a chance of showers and thunderstorms in the afternoon. Partly cloudy. Highs in the upper 80s. Chance of precipitation 30 percent.
Tuesday Night
A chance of showers and thunderstorms in the evening...then a slight chance of showers and thunderstorms after midnight. Partly cloudy. Lows around 60. Chance of precipitation 30 percent.
Wednesday
Partly cloudy with a 20 percent chance of showers and thunderstorms. Highs around 90.
... Flash Flood Watch in effect until 10 PM MDT this evening...
The National Weather Service in Salt Lake City has expanded the
* Flash Flood Watch to include a portion of southern Utah... including the following area... southwest Utah including the cities of Milford and Cedar City.
* Until 10 PM MDT this evening
* a significant surge of monsoonal moisture will move northward into southern Utah today. Thunderstorms developing this afternoon have the potential for very heavy localized rainfall which may result in flash flooding.
* Heavy runoff from thunderstorm rainfall could cause flash flooding of streams as well as normally dry washes and slot canyons.
A Flash Flood Watch means that conditions may develop that lead to flash flooding. Flash flooding is a very dangerous situation.
You should monitor later forecasts and be prepared to take action should flash flood warnings be issued.
Local Storm Report
07/19/2008 0507 PM
Milford, Beaver County.
Thunderstorm wind gust M59 mph, reported by ASOS.
Public Information Statement
Statement as of 5:19 PM MDT on July 20, 2008
Areas of showers and thunderstorms have continuously developed over portions of central and southern Utah late this morning into this afternoon. The information below is current as of 5 PM MDT Sunday.
... Preliminary storm information...
***** precip reports ***** time precip
... Salt Lake and Tooele valleys... South Salt Lake - 4272 ft 10 am sun 0.01
... Great Salt Lake Desert and mountains... west Salt Flats Dugway mnet - 4237 ft 4 PM sun 0.10
... Wasatch Plateau/Book Cliffs... Five Mile RAWS - 7480 ft 4 PM sun 0.23
... West central Utah... Oak City - 5135 ft 4 PM sun 0.06
... Southwest Utah... Brimstone Reservoir RAWS - 5620 ft 4 PM sun 0.43 Cedar City 2 PM sun 0.32 Cedar City Airport - 5627 ft 4 PM sun 0.24 Jensen Spring RAWS - 5744 ft 4 PM sun 0.18 Cedar City - 5965 ft 4 PM sun 0.12
... Central Utah mountains... black Cedar RAWS - 6480 ft 4 PM sun 0.07 Signal Peak RAWS - 8792 ft 4 PM sun 0.04 Joes valley RAWS - 8700 ft 4 PM sun 0.03 Grassy Flats - 8858 ft 4 PM sun 0.03 Grassy Lake - 10000 ft 3 PM sun 0.03
... Southern Utah mountains... Bryce Canyon RAWS - 7855 ft 4 PM sun 0.08 Greenville Bench portable RAWS - 6300 ft 3 PM sun 0.08 Kaibab Micro RAWS 2 - 7085 ft 4 PM sun 0.06
***** wind reports ***** windspeed
Durand Road Dugway mnet - 4538 ft 61 mph Grantsville Tooele mnet - 4465 ft 53 mph Wendover Peak Tooele mnet - 5087 ft 46 mph Interstate 80 Dugway mnet - 4125 ft 45 mph west Salt Flats Dugway mnet - 4237 ft 45 mph north Salt Flats Dugway mnet - 4242 ft 45 mph upper Cedar mtn Dugway mnet - 7052 ft 42 mph Sundance arrowhead - 8251 ft 42 mph Bullfrog Marina - 3700 ft 42 mph Callao Dugway mnet - 4530 ft 41 mph Grantsville res. Tooele mnet - 5479 ft 40 mph canyons Condor - 8999 ft 40 mph