Iowa has been both on the cool and calm side of the weather for the month of July despite a few events that have hit some parts of the state hard, including a few tornadoes and some very damaging hail across northeast Iowa last Friday. A rough and quick look at the mean temperatures over the month...
Thursday, July 30, 2009
Friday, July 24, 2009
Severe Weather Update #1 - July 24
Both a Severe Thunderstorm Watch and Tornado Watch have been issued for portions of the state. Currently the bulk of thunderstorm action is confined to the northeast corner of the state where a supercell is beginning to take on tornadic characteristics and has prompted the tornado watch issuance. ...
Thursday, July 23, 2009
Severe Weather - July 24
A strong cold front and associated upper level features will aid in thunderstorm development this afternoon across a majority of the state. Given current forecasts for shear, instability, and the strong support with the cold front it would appear that all modes of severe weather are likely across the...
Friday, July 17, 2009
A Quick Recap
Busy days ongoing for me has created a good lack of updates on my part. Just to review back to July 14, the severe weather threat did materialize, although much weaker than initially thought due to only convection along the front firing during the evening hours. Did manage to punch through a severe...
Monday, July 13, 2009
Severe Weather Potential - July 14
The potential for a significant severe weather event over portions of the central/northern plains is there for tomorrow, as potent surface features will be supported by strong upper air parameters. Two areas of interest are going to come into play, both of which have some very big question as to its'...
Friday, July 10, 2009
Chase Account - July 9
Several rounds of severe weather swept across portions of northwest Iowa yesterday, from mid-afternoon hail to evening and overnight storms that left hail, winds, and heavy rainfall across parts of the state. I made a trip out to view the storms on two occasions yesterday, once during the mid-afternoon...
Wednesday, July 8, 2009
Severe Weather Potential - July 9
A complicated forecast is in the works for the next 36 hours, and perhaps even longer, for Iowa and adjacent areas. A strong wave will initiate thunderstorms this afternoon across the western Dakotas and areas of Montana/Wyoming. These storms should develop into a large MCS, possible derecho, during...
Severe Weather Recap - July 7
A cluster of thunderstorms developed in eastern South Dakota during the afternoon hours yesterday, and entered into northwest Iowa during the evening hours. These clusters of storms were at times severe warned with the potential for both damaging winds and large hail, estimated 60 mph winds were reported...
Tuesday, July 7, 2009
Severe Weather Update #1 - July 7
A Severe Thunderstorm Watch has been issued for portions of South Dakota, Nebraska, Minnesota, and Iowa until 10:00 PM this evening. This watch will cover the four corners of these states, thus including a majority of the counties within the Sioux Falls NWS CWA. Additional thunderstorms have formed...
Severe Weather Potential - July 7
A trough of low pressure and possible weak low pressure center should be located over central South Dakota this afternoon. A stationary boundary should extend eastward from this low over parts of eastern South Dakota, southern Minnesota and northern Iowa. This boundary and low pressure center should...
Wednesday, July 1, 2009
A Few of Natures' Fireworks Possible
With the fourth of July weekend coming up, it looks like mother nature will try to give us some of her own fireworks as we head into the weekend. A storm system will bring the chances of thunderstorms across the state on Friday, and continue through the fourth over a majority of the state. While the...