The past couple of days after a cold front passage have definitely had that fall feeling to them, with highs barely into the 70s for much of the state and lows being down into the 50s and even some 40s there in some portions of Iowa. The cool and calm nights led to some dense fog in low lying areas,...
Sunday, August 23, 2009
Tuesday, August 11, 2009
Much Quieter
After a busy weekend for portions of the state we have set into a much quieter pattern for the remainder of the week, with mostly sunny skies and temperatures in the upper 80s and lower 90s across the...
Sunday, August 9, 2009
August 9 Severe Weather Update #1
A morning supercell is moving through portions of central Iowa, currently just west of Fort Dodge capable of producing 1" to 3" diameter hail and damaging winds in excess of 60 mph. This storm has been severe for quite some time this morning, beginning near the Iowa/Nebraska border and moving east/northeast...
Friday, August 7, 2009
Severe Weather Potential - August 7 Update #3
Despite the hopes for convection before sunset, it does not appear likely as sunset is within an hour or two and there is not even a watch issued for potential development. Some cumulus is occurring in the warm sector, however, temperatures at 700hPa have increased to 14C directly over the most likely...
Severe Weather Potential - August 7 Update #2
Convective inhibition remains strong, however, confidence has increased that the inhibition will yield to convection during the late afternoon or evening hours across portions of the warm front in South Dakota and Iowa. Thunderstorms that do develop are likely to be supercellular with the threat for...
Severe Weather Potential - August 7 Update #1
Not much for changes in the going forecast or in the current analysis of things across the plains states. Watching clearing skies across the Dakotas and Nebraska, which should also work into western Iowa during the early afternoon hours. Warm front currently located along and just east of the Missouri...
Severe Weather Threat - August 7
Morning convection continues across southwest Iowa, with additional showers/thunderstorms spread throughout the state and spreading eastward at approximately 30-40 mph. These thunderstorms and showers should continue through the morning hours across much of the state, with cloud cover also remaining...
Thursday, August 6, 2009
A Few Rounds of Storms
Sunday night did bring a few severe weather reports across the state, mainly of marginally severe hail around an inch in diameter and several wind gusts of 60 mph or so. The wind was strong enough to take down a few trees and power poles in a line roughly along Highway 30 from Sioux City towards Fort...
