Weather Alerts-

High Wind Warning

From Thu 9:00 am until 9:00 pm MDT

1 of 2

Action Recommended

Make preparations per the instructions

Issued By

Rapid City - SD, US, National Weather Service

Affected Area

Portions of northwestern, south central, and southwestern South Dakota and northeast Wyoming

Description

...HIGH WIND WARNING REMAINS IN EFFECT FROM 9 AM MDT /10 AM CDT/ TO 9 PM MDT /10 PM CDT/ THURSDAY... WHAT...West winds 30 to 50 mph with gusts up to 75 mph expected. WHERE...Portions of northwestern, south central, and southwestern South Dakota and northeast Wyoming. WHEN...From 9 AM MDT /10 AM CDT/ to 9 PM MDT /10 PM CDT/ Thursday. IMPACTS...The high winds may damage roofs, small outbuildings, and signs. Power outages are possible. Travel could be difficult, especially for high profile vehicles. Strong winds can cause blowing dust, reduced visibility, and flying debris. PRECAUTIONARY/PREPAREDNESS ACTIONS... A high wind warning means 40 mph winds, or gusts over 60 mph, are expected or occurring. If you are outdoors, watch for flying or falling objects that may injure you. Use caution if you must drive.

Red Flag Warning

From Thu 11:00 am until 7:00 pm MDT

2 of 2

Action Recommended

Make preparations per the instructions

Issued By

Rapid City - SD, US, National Weather Service

Affected Area

Pine Ridge Area

Description

...RED FLAG WARNING IN EFFECT FROM 11 AM MDT /NOON CDT/ TO 7 PM MDT /8 PM CDT/ THURSDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 315, 317, 321, 322, 324, 325, 326, 329, 331, 332, 333, 334, AND 335... The National Weather Service in Rapid City has issued a Red Flag Warning for gusty winds and low relative humidity, which is in effect from 11 AM MDT /noon CDT/ to 7 PM MDT /8 PM CDT/ Thursday. AFFECTED AREA...Fire Weather Zones 315 Southern Campbell, 317 Weston County Plains, 321 Southern Black Hills, 322 Fall River County Area, 324 Eastern Foot Hills, 325 Custer County Plains, 326 Pine Ridge Area, 329 West Central Plains, 331 Haakon County Area, 332 Badlands Area, 333 Bennett County Area, 334 Mellette and Todd Counties and 335 Tripp County. WINDS...West 35 to 50 mph with gusts up to 75 mph. RELATIVE HUMIDITY...As low as 18 percent. IMPACTS...The combination of gusty winds and low relative humidity would produce critical fire weather conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.

More Information

...VERY STRONG WINDS AND CRITICAL FIRE WEATHER CONDITIONS THURSDAY... .Strong west-southwest winds will develop Thursday morning ahead of a cold front. Despite recent light precipitation, westerly sustained winds of 35 to 50 mph with gusts in excess of 70 mph will combine with daytime minimum relative humidity to yield critical fire weather conditions. Cold front will shift winds out of the northwest Thursday afternoon with continued gusts in excess of 60-70 mph despite rising relative humidity.

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