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NWS Forecast for Atlantic & the surrounding area Dec. 1st, 2011


December 1st, 2011 by Ric Hanson

Today: A slight chance of rain and snow after noon. Cloudy, with a high near 39. Windy, with a calm wind becoming north between 19 and 22 mph. Winds could gust as high as 30 mph. Chance of precipitation is 20%.

Tonight: Cloudy during the early evening, then gradual clearing, with a low around 14. Blustery, with a north wind between 14 and 17 mph becoming calm. Winds could gust as high as 25 mph.

Friday: Mostly sunny, with a high near 40. Calm wind becoming south southeast between 8 and 11 mph.

Friday Night: Rain likely, mainly after midnight. Cloudy, with a steady temperature around 35. South wind between 8 and 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.

Saturday: Rain before noon, then rain and snow. High near 36. Calm wind becoming north northwest between 7 and 10 mph. Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.

Saturday Night: A 50 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 20.

Sunday: Mostly sunny, with a high near 29.

Wednesday’s High in Atlantic was 50. Our 24-hour low ending at 7-a.m. today will be recorded as 15-degrees.  At 6-a.m, it was 26-degrees).

Potential Winter Storm this weekend….

News, Weather

November 30th, 2011 by Ric Hanson

See the forecast map from the National Weather Service http://www.crh.noaa.gov/images/fxc/dmx/wx/File.png

A significant storm system is expected to affect the state late Friday night into Saturday. Rain is expected in the southeast with snow in northwest Iowa. Some moderate to locally heavy snow accumulations will be possible in the northwest by Saturday Night.


Expert says flooding could be repeated in Western Iowa

News, Weather

November 30th, 2011 by Ric Hanson

One expert says record snowpack, followed by record rainfall and record flooding may become a repeating pattern for western Iowa in the future. Steven Hamburg, chief scientist for the Environmental Defense Fund, says as the climate changes, we can expect more extremes and more disasters like this summer’s flooding of the Missouri River basin. Hamburg says, “The key things are going to be changes in temperature and the fact that we’re going to see unpredictable patterns and extremes, heat waves at levels we haven’t historically seen, heavy rainfall that’s going to lead to more flooding and potentially heavier erosion.” Hamburg says climate changes are becoming more apparent in the environment in the Midwest and all across the country.

“That’s already occurring in most places,” Hamburg says. “The work that I do in the forests of New Hampshire, we’re seeing it very clearly and we’re seeing impacts on plants. Crops are going to need to change. We’ll need to plant different varieties. Some of the natural systems will be challenged by those extremes because they’re just physiologically not adapted, nor are we particularly well-adapted to lots of 100-degree days.” Hamburg says the biggest changes could come in the lack of predictability.

“The problem is the variablity is increasing and the predictability,” he says. “We can’t use the past to predict the future which makes it much harder to plan. How do you develop the infrastructure to protect yourselves? It’s going to get harder and harder and what you’re going to have is more disasters. That’s going to have an enormous impact on us economically and socially. Nobody wants to see their house and their life washed away in a flood.” The summer-long flooding of the Missouri River wiped out dozens of homes and businesses and caused some 50-millon dollars damage just to Iowa’s roads and bridges.

(Radio Iowa)

Skyscan Forecast for Wed., Nov. 30, 2011


November 30th, 2011 by Ric Hanson

Here’s the forecast for Atlantic, and the KJAN listening area….

Today: Partly Cloudy & windy. High near 50. SW winds @ 15-25 mph.

Tonight: Partly Cloudy. Low around 28. S @ 5-10.

Tomorrow: Partly Cloudy to Cloudy & cooler. High 39. S winds becoming N @ 10-15.

Friday: Partly Cloudy to Cloudy. High 41.        Sat.: Cloudy w/a rain-snow mix. High 34.


Tuesday’s High in Atlantic was 45. Our low this morning 11. At 5-a.m., it was 13-degrees.

Forecast for Tue., Nov. 29, 2011


November 29th, 2011 by Ric Hanson

Here’s the forecast for Atlantic and the KJAN listening area…

Today: Sunny. High 42. N @ 10-20 w/gusts to near 30.

Tonight: Clear. Low around 15.

Tomorrow: Sunny. High 45. S @ 15.             Tom. Night: Partly Cloudy. Low around 28.

Thursday: Cloudy. High around 40. W @ 10-20.      Thu. Night: Mostly Cloudy. Low 15.

Friday: Sunny. High 32.         Saturday: Cloudy w/a chance of rain and/or snow. High around 38.


Monday’s High in Atlantic was 45. Our low through 5-am today was 13 (at 5-a.m. it was 31).

Forecast for Mon., Nov. 28, 2011


November 28th, 2011 by Ric Hanson

Here’s the forecast for Atlantic & the KJAN listening area, from Freese-Notis Meteorologist Harvey Freese…

Today: Sunny. High 43. Winds N-NW @ 5-15 w/gusts to around 30.

Tonight: Partly Cloudy to Cloudy. Low 24. N @ 20-30.

Tomorrow: Sunny. High around 40. N @ 20-25.             Tom. Night: Clear. Low 15.

Wednesday: Sunny. High 45.                Thursday: A chance of light snow. High around 37.

Friday: Sunny. High around 38.


Sunday’s High in Atlantic was 38. Our low this morning (as of 5-a.m.), was 12.

NWS: IA Tornado Season started big, ended with a whimper

News, Weather

November 25th, 2011 by Ric Hanson

A Meteorologist with the National Weather Service in Johnston says there were 50 tornadoes in the state this year, which is just above the 30-year average of 47 tornadoes. Altogether, 16 people were injured by the events, but there were no fatalities. Craig Cogil says the season started-up rapidly in March and early April, but lost steam as the season progressed. Cogil says two significant tornado days occurred early in the season, on March 22nd over southwest to south central Iowa during the late afternoon and evening hours. The event produced 8 tornadoes over a 2-hour period, including an EF-2 in Madison County, which caused property damage to several farms and one home.  EF-2’s produced winds of 111-to 135 miles per hours.

An event on April 9th was the largest outbreak of tornadoes for one day across Iowa since May, 2004, when 20 tornadoes twisted their way across the state. The event started during the mid-evening hours when the first tornado, an EF-3 (with winds of 136-to 165-mph), hit Mapleton, in Monona County. Nearly 100 homes were destroyed and many other severly damaged in a 12-to 15-block area. The event resulted in 14 injuries and 500 residents being displaced. Several other tornadoes formed over the next several hours that day, from west central into north central Iowa, including one that tracked more than 29-miles from northern Sac through southeastern Buena Vista and western Pocahontas Counties.  It had the distinction of being 1.5-miles wide at times, and produced numerous “Satellite” tornadoes, which tracked around the main tornado. One of the satellites was an EF-4 (winds from 166- to 200-mph). It destroyed a farmstead and tossed a combine nearly 300-yards.

Two significant tornado events occurred in May, including two on May 11th that hit the town of Lenox within a span of 5-minutes. Both tornadoes were rated as EF-1’s, producing winds of 86 to 110-miles per hour. Both tornadoes caused extensive roof and tree damage. The other tornado event in May was in eastern Iowa’s Howard County.

The remainder of the season saw 10 more tornadoes occurr on six different days. The most occurred on June 20th, when four twisters were observed. The last tornado of the season was on July 11th. It caused extensive damage in portions of central and eastern Iowa. The fact the last tornado was confirmed on that date marked the earliest cessation of tornadic activity in the state since reliable records started in 1980, beating the previous earliest cessation record set on July 24, 1992.

For more detailed info., surf to www.weather.gov/desmoines.

Record High Temperatures were set today (Thursday)

News, Weather

November 24th, 2011 by Ric Hanson

As  meteorologists had expected, record high temperatures were set across the state this (Thursday) afternoon. Here at KJAN, the OFFICIAL National Weather Service reporting and record-keeping station for Atlantic, a 96-year old record high temperature fell by the wayside when we topped out at 68-degrees.  The old record of 62, was set in 1915.  A record high of 64 in Shenandoah was broken when the community topped out at 70-degrees at around 3:15-p.m..

In Des Moines, the record high was broken just after 3-p.m., when the temperature hit 67-degrees. The old record was 65 set in 1915.

NWS calls for cooler than normal temps this Winter & dry conditions in SW IA


November 16th, 2011 by Ric Hanson

The National Weather Service in Des Moines has released its Fall newsletter, containing a variety of weather data and information, including a forecast for cooler than normal temperatures for much of November and December, and  drier than normal conditions for southern and southwest Iowa. There’s also some interesting information about this Summer’s “Heat Burst” events in southwest Iowa. You can read all about it in “The Weather Whisper,” at http://www.crh.noaa.gov/images/dmx/DMXNewsletter/2011NewsletterWinter.pdf

Parts of Iowa get walloped with heavy, wet snow

News, Weather

November 9th, 2011 by Ric Hanson

DES MOINES, Iowa (AP) – Authorities say snow totals ranging from 2 to 6 inches have been reported in central Iowa. A National Weather Service winter weather advisory says up to 7 inches is expected in some areas before the storms leave the area by midmorning Wednesday. Service meteorologist Darren Snively says that roads will be slick, so people will have to remember how to drive safely in winter conditions. No weather-related road closures have been reported, although several highways in the north-south middle third of the state were covered with snow or a slushy mixture, and some power outages were reported.