As morning has shifted to afternoon, we continue to wait for showers and thunderstorms to begin to fire across the midwest. The Significant Tornado Parameter (STP) numbers have come up with readings over 5 in parts of SE Iowa (Anything over 1-2 is considered significant), CAPE values are still in the 750-1500 J/kg, but the …
Author: Jeff Wilcox
Iowa Forecast Video 4/3/2011
[youtube http://www.youtube.com/watch?v=yUFUqGkZcJE&hl=en&fs=1] SEVERE WX: There is a slight risk of severe weather for today and tonight for areas SE of a line from Guttenberg to Lamoni. The main threats look to be large hail and damaging winds, but a tornado cannot be ruled out. This is all dependent on if the cap (CINH) breaks. There …
Severe Threat Increasing?
…MIDWEST/MIDDLE MS RIVER VALLEY TO SOUTH-CENTRAL PLAINS… AN UPPER TROUGH…CURRENTLY OVER THE PACIFIC NORTHWEST…WILL AMPLIFY/ADVANCE SOUTHEASTWARD IN A POSITIVE-TILT FASHION FROM THE NORTHERN/CENTRAL ROCKIES EARLY SUNDAY TO THE UPPER MIDWEST AND CENTRAL/SOUTHERN HIGH PLAINS BY LATE SUNDAY NIGHT. BENEATH A STRONG ELEVATED MIXED LAYER/CAP…LOW LEVEL MOISTURE WILL AGGRESSIVELY RETURN NORTHEASTWARD DURING THE DAY WITH AID …
Iowa Forecast Video 4/2/2011
[youtube http://www.youtube.com/watch?v=UlUA4oSfrFk&hl=en&fs=1] SEVERE WEATHER SUNDAY: The Storm Prediction Center has issued a slight risk of severe weather for Sunday into Sunday night for the southeastern counties of the state, roughly SE of a Clinton to Centerville line. Large hail and damaging winds will be the main threats with the storms that roll through the area. …
Iowa Forecast Video 4/1/2011
[youtube http://www.youtube.com/watch?v=FYZGBMFakYQ&hl=en&fs=1] STORMY SUNDAY: Aside from the precipitation that fell last into this morning across the state, the next chance of precipitation rolls in again on Sunday into Monday with a strong system. There is likely to be severe weather to the south of the state from Missouri into Oklahoma. The Day 3 Severe Weather …
Iowa Forecast Video 3/31/2011
[youtube http://www.youtube.com/watch?v=lI2_DKrYH_o&hl=en&fs=1] PRECIP TODAY: Some light precipitation will move into the state later today into tonight and Friday morning. The amounts are to remain light with up to a tenth of an inch of liquid possible. It will likely remain in the form of some rain with possible mix across the northern counties of the …
Iowa Forecast Video 3/30/2011
[youtube http://www.youtube.com/watch?v=Vqryd6KXPx4&hl=en&fs=1] PRECIP THURS: The next chance of precipitation will come Thursday into Friday with a weak disturbance moving through. It will likely be in the form of some rain or a rain snow mix, with a mix possible during the overnight hours of Thursday night into Friday morning (along with all snow in some …
Iowa Forecast Video 3/29/2011
[youtube http://www.youtube.com/watch?v=fltPa6GtbBo&hl=en&fs=1] NEARLY DRY: Dry weather continued over the state on Monday sans for a few snow showers across the western and southwestern counties of the state. The eastern 2/3rds of the state were saved by the persistent easterly wind and low dewpoints that were in the teens and even single digits in some locations. …
River Flooding 2011 Update #4
River flooding continues across the northern counties and along the Mississippi River. Some flood warnings have been cancelled across the northwest as rivers have begun to fall below flood stage in those areas. However, the concerns of flooding will slowly begin to shift over to the Mississippi as it continues to rise. Here are the …
Iowa Forecast Video 3/28/2011
[youtube http://www.youtube.com/watch?v=Wj04y8KPtHU&hl=en&fs=1] DRY WEEK AHEAD: Latest model run shows it should be a relatively dry week with a brush of snow across the far southern counties Tuesday (nothing more than a isolated snow showers or flurries) and some possible rain and or snow Thursday with a weak distrubance. It looks to be the next big …