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Blizzard conditions don’t necessarily mean heavy snow

News, Weather

February 8th, 2016 by Ric Hanson

A Blizzard Warning is posted for more than 30 counties across Iowa’s northern half, while much of the rest of the state is under a Winter Weather Advisory. While the term “blizzard” conjures thoughts of deep snow drifts for many Iowans, National Weather Service meteorologist Brad Small says that won’t be the case today.

“People think of blizzards, probably the common definition is associated with a lot of snow,” Small says, “but technically, all it means is that you can’t see where you’re going because of strong winds and low visibilities.” To be a blizzard, winds need to be howling at 35-miles an hour or greater and visibilities need to be at a quarter-mile or less due to blowing snow. Small says new snowfall today will be minimal.

Blizzard Warning for counties in red. Winter Weather and/or Wind Advisories for counties in lavender.

Blizzard Warning for counties in red. Winter Weather and/or Wind Advisories for counties in lavender.

“It’s really difficult to measure,” Small says. “Probably an inch is a very common snow amount so far, of what we’ve seen. The snow amounts are not going to be the problem with this storm. It’s definitely going to be the visibilities, especially in rural and open areas.” Another hazard in this latest weather event is the bitter cold.

“We’ll have wind chills across the state in single digits above and below zero,” Small says. “Conditions will improve later today and into the night but we’ll see lows in the single digits above zero north and maybe around 10 south. Wind chills will be well into the teens below zero toward the Minnesota border by daybreak Tuesday.”

A frosty week is ahead. The forecast calls for low temperatures to remain mostly in the single digits and teens through the weekend, with highs only in the teens and 20s. See more at weather-dot-gov.

(Radio Iowa)

Wind Advisory extended for parts of west/s.w. IA; Winter Weather Advisory continues

Weather

February 8th, 2016 by Ric Hanson

The National Weather Service in Omaha has extended the Wind Advisory which went into effect today at 9-a.m.  The Advisory, which had been set to expire at 5-p.m., will now end at 6-p.m. It is in effect for Monona, Harrison, Shelby, Pottawattamie, Mills, Montgomery, Fremont and Page Counties.  A Winter Weather Advisory remains in effect until 3-p.m. today for Audubon, Guthrie, Cass, Adair, Adams, Madison, Union, Taylor and Ringgold Counties. And, a Blizzard Warning continues until 3-p.m. for Sac, Crawford and Carroll Counties in the northern part of our listening area.

LIGHT SNOW SHOWERS WILL CONTINUE THROUGH AT LEAST PART OF THE AFTERNOON. HOWEVER…NORTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS TO 50 MPH WILL CONTINUE…CAUSING AREAS OF BLOWING SNOW. CONDITIONS SHOULD IMPROVE BY EARLY EVENING.

RAPID REDUCTIONS IN VISIBILITY ARE LIKELY FROM BLOWING SNOW, ESPECIALLY ALONG WEST TO EAST ROADS. SOME ROADS MAY BE SNOW OR ICE COVERED. THIS WILL MAKE TRAVEL HAZARDOUS.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

A WINTER WEATHER ADVISORY FOR BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW
AROUND. USE CAUTION WHEN TRAVELING…ESPECIALLY IN OPEN AREAS.

Skyscan forecast & weather data for Atlantic: 2/8/16

Weather

February 8th, 2016 by Ric Hanson

Today: Winter Weather Advisories for Cass & area Counties until late this afternoon; Blizzard Warning in effect until 3-pm for Sac, Carroll & Crawford Counties. Snow showers this morning & areas of blowing snow thru late this afternoon. High near 24. N/NW @ 25-45. Wind chill values as low as 5. New snow accumulation of less than one inch possible.
Tonight: Cloudy to P/Cldy. Low around 8. N/NW @ 15-30 diminishing late to 10-15 late. Wind chill values as low as -5.
Tuesday: P/Cldy. High near 20. NW @ 10-15 w/gusts to near 25. Wind chill values as low as -5.
Tuesday Night: Partly cloudy, with a low around 4.
Wednesday: Mo. Cldy w/a chance of light snow or flurries. High near 22.
Thursday: Partly Cloudy. High near 22.

Sunday’s High in Atlantic was 41. We received .3 of snow here at the KJAN studios from Sunday afternoon through 7-a.m. today, which amounted to just a Trace of liquid precipitation. The 24-hour Low ending at 7-a.m. today was 19. Last year on this date we reached 43 for a High and 31 was the low. The All-time Record High in Atlantic on this date was 62 in 1954, while the Record Low was -34 in 1971.

NWS Forecast for Cass & surrounding Counties, 2/8/16

Weather

February 8th, 2016 by Ric Hanson

**WINTER WEATHER ADVISORY IN EFFECT**
EARLY THIS MORNING…NUMEROUS LIGHT SNOW SHOWERS. PATCHY BLOWING SNOW. WINDY. LITTLE OR NO NEW SNOW ACCUMULATION. NORTHWEST WIND 20 TO 30 MPH. CHANCE OF SNOW 70 PERCENT.
TODAY…CLOUDY…WINDY…COLDER. AREAS OF BLOWING SNOW THROUGH THE DAY. NUMEROUS LIGHT SNOW SHOWERS THROUGH MID MORNING. SCATTERED LIGHT SNOW SHOWERS IN THE LATE MORNING AND EARLY AFTERNOON…THEN ISOLATED LIGHT SNOW SHOWERS LATE IN THE AFTERNOON. SNOW ACCUMULATION AROUND 1 INCH. HIGH IN THE LOWER 20S. NORTHWEST WIND 25 TO 30 MPH WITH GUSTS TO AROUND 45 MPH. CHANCE OF SNOW 70 PERCENT.
TONIGHT…MOSTLY CLOUDY UNTIL EARLY MORNING THEN BECOMING PARTLY CLOUDY. BREEZY…COLDER. LOW 10 TO 15. NORTHWEST WIND 15 TO 25 MPH WITH GUSTS TO AROUND 35 MPH.
TUESDAY…MOSTLY SUNNY. BREEZY. HIGH IN THE LOWER 20S. NORTHWEST WIND 15 TO 20 MPH.
TUESDAY NIGHT…PARTLY CLOUDY. LOW ZERO TO 5 ABOVE. NORTH WIND 10 TO 15 MPH.
WEDNESDAY…MOSTLY SUNNY. HIGH 15 TO 20. NORTH WIND 5 TO 10 MPH.

NWS forecast for Atlantic & the area, Sunday – Feb. 7th 2016

Weather

February 7th, 2016 by Ric Hanson

Today: Mostly cloudy & windy with a 30% chance of snow showers after 5pm. High near 38. W/NW winds 10-20mph w/gusts to around 35 this afternoon. Little or no snow accumulation expected. **BLIZZARD WARNING tonight from 7-pm until 6-pm Monday for Audubon, Guthrie & Dallas Counties**
Tonight: Cloudy w/a 70% chance of snow, & patchy blowing snow. Low 21. NW @ 20-40mph. New snow accumulation of less than one inch possible.
Monday: Cloudy w/a 50% chance of snow showers, mainly before noon. Areas of blowing snow. High near 25. NW @ 25-45mph. Wind chill values as low as 5. New snow accumulation of less than a half inch possible.
Monday Night: Mostly cloudy, with a low around 11.N/NW @ 15-35. Wind chill as low as -5.
Tuesday: Partly sunny & blustery. High near 22. N/NW @ 15-25. Wednesday: Mo. Sunny. High 22.

Skyscan forecast & weather data for Atlantic: 2/6/16

Weather

February 6th, 2016 by Ric Hanson

Today: Mostly Cloudy w/patchy fog thru about 9am. Becoming partly sunny, with a high near 35. SW @ 10-20.
Tonight: Mostly cloudy, with a low around 28. S/SW winds becoming W @ 10.
Sunday: Mo. Cldy w/a slight chance of snow & blowing snow after 3pm. High near 37. W/NW 10-20 w/gusts to around 35.
Sunday Night: Cloudy w/a 30% chance of snow & blowing snow. Low around 22. NW @ 20-40. New snow accumulation of less than a half inch possible.
Monday: Mo. Cldy w/a slight chance of snow & patchy blowing snow. High near 24. N/NW @ 20-40mph.
Tuesday: Partly sunny, with a high near 24.

Friday’s High in Atlantic was 29. We received .1” of snow here at the KJAN studios, which amounted to .01″ of liquid precipitation. The 24-hour Low ending at 7-a.m. today was 9. Last year on this date we reached 37 for a High and 17 was the low. The All-time Record High in Atlantic on this date was 54 in 1966, while the Record Low was -27 in 1982.

ISU climatologist: warm weather impacting water levels

News, Weather

February 6th, 2016 by Ric Hanson

An Iowa State University climatologist says the current El Nino weather pattern is generally providing Iowa with milder temperatures this winter. Elywnn Taylor says it’s also bringing abundant moisture which is causing sub-soil tiles to run at full capacity to drain the state’s farm fields. Taylor says there’s a big drawback for farmers from El Nino.

“It doesn’t take very much rain in April and early May to make things awfully wet for when they’re planting crops,” Taylor says, “and that can be a real disadvantage.” Taylor says a strong El Nino weather pattern, like we have now, is often historically replaced by the opposite La Nina pattern, which brings drought conditions during the summer and fall.

Taylor says first indications of that won’t be apparent until late March when the sun moves into spring position over the Midwest.

(Radio Iowa)

KJAN listening area weather forecast, Sat., 2/6/16

Weather

February 6th, 2016 by Ric Hanson

354 AM CST SAT FEB 6 2016

EARLY THIS MORNING…MOSTLY CLOUDY. NOT AS COLD. PATCHY FOG. WEST WIND NEAR 5 MPH.

TODAY…MOSTLY SUNNY. PATCHY FOG THROUGH MID MORNING. HIGH IN THE MID 30S. SOUTHWEST WIND 5 TO 15 MPH.

TONIGHT…PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY CLOUDY. LOW IN THE UPPER 20S. SOUTHWEST WIND AROUND 10 MPH.

SUNDAY…PARTLY SUNNY. PATCHY BLOWING SNOW IN THE AFTERNOON. A 20 PERCENT CHANCE OF LIGHT SNOW LATE IN THE AFTERNOON. BREEZY. HIGH IN THE UPPER 30S. WEST WIND 10 TO 15 MPH INCREASING TO 20 TO 25 MPH IN THE AFTERNOON. GUSTS UP TO 35 MPH.

SUNDAY NIGHT…CLOUDY WITH A 40 PERCENT CHANCE OF LIGHT SNOW. PATCHY BLOWING SNOW. BREEZY. LOW IN THE LOWER 20S. NORTHWEST WIND 20 TO 25 MPH WITH GUSTS TO AROUND 35 MPH.

MONDAY…CLOUDY WITH ISOLATED SNOW SHOWERS. AREAS OF BLOWING SNOW. WINDY…COLDER. HIGH IN THE MID 20S. NORTHWEST WIND 25 TO 30 MPH WITH GUSTS TO AROUND 40 MPH. CHANCE OF SNOW 20 PERCENT.

TUESDAY…PARTLY SUNNY. HIGH IN THE MID 20S.

 

NWS forecast for Cass & area Counties, 2/5/2016 (3:56-a.m.)

Weather

February 5th, 2016 by Ric Hanson

EARLY THIS MORNING…PARTLY CLOUDY. EAST WIND NEAR 5 MPH.

TODAY…CLOUDY. A 20 PERCENT CHANCE OF LIGHT SNOW IN THE AFTERNOON. HIGH IN THE LOWER 30S. SOUTH WIND 5 TO 15 MPH.

TONIGHT…MOSTLY CLOUDY. A 20 PERCENT CHANCE OF LIGHT SNOW THROUGH MIDNIGHT. NOT AS COLD. LOW IN THE LOWER 20S. SOUTHWEST WIND AROUND 10 MPH SHIFTING TO THE NORTHWEST AFTER MIDNIGHT.

SATURDAY…MOSTLY SUNNY. HIGH IN THE MID 30S. SOUTHWEST WIND 5 TO 10 MPH.

SATURDAY NIGHT…PARTLY CLOUDY THROUGH MIDNIGHT THEN BECOMING MOSTLY CLOUDY. LOW IN THE UPPER 20S. SOUTHWEST WIND 10 TO 15 MPH.

SUNDAY…PARTLY SUNNY. A SLIGHT CHANCE OF LIGHT SNOW IN THE MORNING…THEN A SLIGHT CHANCE OF LIGHT RAIN AND LIGHT SNOW IN THE AFTERNOON. BREEZY. HIGH IN THE UPPER 30S. WEST WIND 10 TO 15 MPH INCREASING TO NORTHWEST 20 TO 25 MPH IN THE AFTERNOON. CHANCE OF PRECIPITATION 20 PERCENT.

SUNDAY NIGHT…MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW. BREEZY. LOW IN THE MID 20S.

MONDAY…MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW SHOWERS. WINDY…COLDER. HIGH IN THE UPPER 20S.

 

Skyscan forecast & weather data for Atlantic: 2/4/16

Weather

February 4th, 2016 by Ric Hanson

Today: Partly Cloudy, High near 28. S/SW winds @ 5-10 this morning becoming westerly this afternoon. Wind chill values as low as 5.
Tonight: Increasing clouds, with a low around 10.
Friday: Mostly Cloudy (a slight chance of snow after noon). High around 32. S/SW @ 5-10. Wind chill values as low as 5.
Friday Night: Mostly cloudy, with a low around 22.
Saturday: P/Cldy to Cldy. High near 37. W/NW @ 5-10 in the morning becoming S/SW during the afternoon.
Saturday Night: Partly cloudy, with a low around 27.
Sunday: Mo. Cldy & windy, w/flurries possible. High around 30. Windy.

Wednesday’s High in Atlantic was 24. The 24-hour Low ending at 7-a.m. today was 7. Last year on this date we reached 19 for a High and -23 was the low. The All-time Record High in Atlantic on this date was 62 in 1938, while the Record Low was -30 in 1905.