Weather Alert in South Dakota
Flood Warning issued June 15 at 9:56AM CDT by NWS Aberdeen SD
AREAS AFFECTED: Grant, SD
DESCRIPTION: ...The Flood Warning continues for the following rivers in South Dakota... North Fork Whetstone River near Milbank affecting Grant County. .For sites with a river forecast, the forecast includes precipitation through the next 24 hours. Any future precipitation could affect the forecasts. * WHAT...Minor flooding is occurring. * WHERE...North Fork Whetstone River near Milbank. * WHEN...Until further notice. * IMPACTS...At 1056.0 feet, significant agricultural flooding begins. * ADDITIONAL DETAILS... - At 9:15 AM CDT Sunday the stage was 1057.8 feet, and falling. - Recent Activity...The maximum river stage in the 24 hours ending at 9:15 AM CDT Sunday was 1059.2 feet. - Flood stage is 1056.0 feet. - http://www.weather.gov/safety/flood
INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely. Additional information is available at www.weather.gov/abr. The next statement will be issued by Monday evening at 600 PM CDT.
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Weather Topic: What are Altostratus Clouds?
Home - Education - Cloud Types - Altostratus Clouds
Next Topic: Cirrocumulus Clouds
Altostratus clouds form at mid to high-level altitudes
(between 2 and 7 km) and are created by a warm, stable air mass which causes
water vapor
to condense as it rise through the atmosphere. Usually altostratus clouds are
featureless sheets characterized by a uniform color.
In some cases, wind punching through the cloud formation may give it a waved
appearance, called altostratus undulatus. Altostratus clouds
are commonly seen with other cloud formations accompanying them.
Next Topic: Cirrocumulus Clouds
Weather Topic: What are Cirrostratus Clouds?
Home - Education - Cloud Types - Cirrostratus Clouds
Next Topic: Cirrus Clouds
Cirrostratus clouds are high, thin clouds that form above
20,000 feet and are made mostly of ice crystals. They sometimes look like giant
feathers, horse tails, or curls of hair in the sky.
These clouds are pushed by the jet stream and can move at high speeds reaching
100 mph.
What do they indicate?
They indicate that a precipitation is likely within 24 hours.
Next Topic: Cirrus Clouds
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