Archive for June, 2007

TWISTEX fielding status: June 29, 2007: Program end

Friday, June 29th, 2007

All: Returned from Devils Lake, North Dakota on Tuesday, June 26th.  Storm did not initiate the day before in North Dakota. ISU team stopped through Minnesota to return the mobile mesonet equipment to Bruce Lee/Cathy Finley, and returned to Ames on Tuesday. Students will drive to Colorado on Sunday to return the ...

TWISTEX fielding status: June 25, 2007

Monday, June 25th, 2007

 All: Current location:  Miles City, Montana Targeted supercel that developed north of Billings last night.  Storm was tornado warned for over an hour.  Classic shape, no tornadoes observed.  Photographed lightning for several hours. Cold front will sweep through North Dakota today.  Plan is to get northeast of the surface low in reasonable backed ...

TWISTEX fielding status: June 22, 2007

Friday, June 22nd, 2007

 All: Current location:  Lakewood, CO Very concerned about the mid level temperatures for the next several days.  So concerned that the cost/benefit ratio of making the trip to the Dakotas this weekend is slim at the moment. Activity the past few days under northwest flow has generated no 'targetable' tornadoes.  Some brief touchdowns ...

TWISTEX fielding status: June 20, 2007

Wednesday, June 20th, 2007

 All: Current location:  Lakewood, CO Northwest flow will prevail over the midwest the next several days, thus providing a chance of severe in South Dakota and Iowa for today and Thursday.  Northwest flow are often poor tornado producers, thus TWISTEX will stand down until this weekend where another system will skirt through ...

TWISTEX fielding status: June 19, 2007

Tuesday, June 19th, 2007

 All: Current location:  Lakewood, CO Teams back from two day trip into the Dakotas. June 16: Chased developing storms west of the black hills into Wyoming.  Storms were mainly outflfow dominant as they crossed into South Dakota near Sturgis.  Collected some good cloud-ground lightning strikes.  Stayed in Pierre for the evening.  Had a tire ...

TWISTEX fielding status: June 16, 2007

Saturday, June 16th, 2007

 All: Current location:  North Platte, Nebraska Current plans are to meet in Murdo, South Dakota by 2 PM CDT today.  0z model suggest best combination of shear and cape appears to be in the western portion of South Dakota.  Once our teams are together, we'll refine the forecast. ISU:  Give me a call ...

TWISTEX fielding status: June 13, 2007

Wednesday, June 13th, 2007

 All: Current location:  Lakewood, CO Multi-cell storms expected in western Oklahoma and southwestern Kansas.  Due to the weak mid-level winds, supercells will be the exception rather than the rule today in this area.  If a supercell does initiate in this area, there is a small chance of a tornado. Unfortunately, this small chance does not warrant ...

TWISTEX fielding status: June 11, 2007

Monday, June 11th, 2007

 All: Current location:  Lakewood, CO 12z model data is not optimistic about tornadoes in the northern plains for Tuesday, Wednesday, and the balance of the week.  This is certainly unfortunate, as the program is coming down to the final three weeks of formal operation. At the moment, TWISTEX is standing down for Tuesday ...

TWISTEX fielding status: June 9, 2007

Saturday, June 9th, 2007

 All: Current location:  Lakewood, CO Travel day yesterday back to Denver-arrived 1 AM Saturday.  ISU crew returned to Ames, and Bruce/Cathy returned home. Looks like a quiet weekend ahead with possible operations early next week.  Monday operations are certainly possible, but the terrain and surface features are not supportive as suggested by this ...

TWISTEX fielding status: June 8, 2007

Friday, June 8th, 2007

All: Current location:  Dubuque, Iowa Yesterday, the team watched the convective line develop in far southeast Minnesota early in the afternoon.  Watched final storm cross Iowa into Minnesota, and took on good characteristics of an RFD and decided to follow suit through La Cross where it became tornado warned.  Team continued to ...