PUBLIC INFORMATION STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 138 PM CDT SUN APR 10 2011 …TORNADO NEAR ARTHUR IOWA RATED EF2… A SUPERCELL DEVELOPED OVER NORTHEAST NEBRASKA ON THE EVENING OF APRIL 9 AND PRODUCED SEVERAL TORNADOES OVER NORTHWESTERN IOWA. ONE TORNADO DEVELOPED SOUTHWEST OF ARTHUR IOWA IN SOUTHERN IDA COUNTY BETWEEN 8:15 AND …
Category: Severe Weather
Tornado Survey Results from Pocahontas and Sac Counties
(Added the Kossuth County Tornado that was posted after I posted this last night) PUBLIC INFORMATION STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 703 PM CDT SUN APR 10 2011 …PRELIMINARY DAMAGE SURVEY RESULTS FOR SAC AND POCAHONTAS COUNTIES… THE STORM SURVEY INVESTIGATION IS STILL ONGOING AND SUBJECT TO FURTHER COORDINATION WITH LOCAL EMERGENCY MANAGEMENT …
Mapleton Tornado rated EF3
PUBLIC INFORMATION STATEMENT NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 308 PM CDT SUN APR 10 2011 …TORNADO DAMAGE IN MONONA COUNTY IOWA INCLUDING MAPLETON… THIS IS A PRELIMINARY MESSAGE. ADDITIONAL DETAILS MAY BE PROVIDED LATER. A SURVEY TEAM DID A DAMAGE ASSESSMENT OF THE TORNADO THAT MOVED ACROSS PARTS OF MONONA COUNTY IOWA SATURDAY EVENING APRIL …
Severe Weather Threat Ending
Storms continue in an isolated fashion across the southeastern counties of the state, however they are not severe at this time. These storms will move out of the state in the next two hours or so. Cooler, drier and quieter conditions will follow sans for a few showers tomorrow. The next best chance of rain …
Moderate Risk Eastern Iowa Today
There is a moderate risk of severe weather across the eastern counties of the state today, with a slight risk mainly east of I-35. Like posted last night, all modes of severe weather will be possible, including tornadoes (some possible long tracked ones), large hail (some significant) and damaging winds. Main window looks to be …
Severe Weather Continues
Many tornado and severe thunderstorm warnings this last evening and even continuing into the early morning hours. A tornado watch remains in effect across the far northern counties until 5am Sunday morning. There will be a break in the action before the final round of severe weather sweeps through the eastern half of the state …
Moderate Risk Today and Sunday
There is a moderate risk of severe weather today for the northern sections of Iowa, with a slight risk surrounding it including all but the southeastern counties. Large hail, damaging winds and tornadoes will be possible. The better chances of tornadoes looks to be across the northwestern counties at this time, with large hail possible …
Severe Parameters for Saturday
Here are the parameters from the 00z NAM model run at 7pm Saturday. All of the parameters are close to the top of all three scales across a large portion of the state. Also not featured on here is the CAPE values, which will be in the 1200-2400 J/kg (possibly up to 3000 J/kg according …
Stormy Weekend
There is still a slight risk of severe weather tomorrow for most of the state except the SE. Still looks like all modes of severe weather will be possible with large hail being the biggest threat on Saturday. Moderate risk of severe weather is still outlooked across the eastern counties with a slight risk everywhere …
Moderate Risk for Sunday
This is going to be a significant weather event across the state this weekend. There is a slight risk of severe weather for Saturday for the entire state. This is possibly going to be upgraded to moderate later today. There already is a moderate risk of severe weather for Sunday across the eastern part of …