Weather Alert in California
Flood Advisory issued August 25 at 6:52AM PDT until August 25 at 8:00AM PDT by NWS Las Vegas NV
AREAS AFFECTED: San Bernardino, CA
DESCRIPTION: * WHAT...Flooding caused by excessive rainfall continues. * WHERE...A portion of southern California, including the following county, San Bernardino. * WHEN...Until 800 AM PDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Dangerous flows over low-water crossings. * ADDITIONAL DETAILS... - At 652 AM PDT, Doppler radar indicated that thunderstorms with heavy rain had moved north of Highway 62. Radar estimated about a quarter inch of rain had fallen in 15 minutes. More storms over Riverside County could move toward Highway 62 later this morning. Minor flooding is ongoing or expected to begin shortly in the advisory area. - Some locations that will experience flooding include... mainly rural areas of San Bernardino County, including Highway 62 between mile markers 92 and 112 - http://www.weather.gov/safety/flood
INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads.
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Weather Topic: What are Fractus Clouds?
Home - Education - Cloud Types - Fractus Clouds
Next Topic: Freezing Rain
A fractus cloud (scud) is a fragmented, tattered cloud which has
likely been sheared off of another cloud. They are accessory clouds, meaning they
develop from parent clouds, and are named in a way which describes the original
cloud which contained them.
Fractus clouds which have originated from cumulus clouds are referred to as
cumulus fractus, while fractus clouds which have originated from stratus clouds
are referred to as stratus fractus. Under certain conditions a fractus cloud might
merge with another cloud, or develop into a cumulus cloud, but usually a
fractus cloud seen by itself will dissipate rapidly.
They are often observed on the leading and trailing edges of storm clouds,
and are a display of wind activity.
Next Topic: Freezing Rain
Weather Topic: What is Graupel?
Home - Education - Precipitation - Graupel
Next Topic: Hail
Graupel is a form of precipitation that is created by atmospheric conditions
which cause supercooled water droplets to contact snow crystals and freeze to
their surface.
Sometimes known as soft hail or snow pellets, graupel is delicate and easily
destroyed by touch. Whereas hail usually falls during severe weather, graupel
doesn't require such conditions to form, and can form in mild precipitation
similar to situations which produce snowfall.
Next Topic: Hail
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