Archive for June, 2009

TWISTEX fielding: Project end

Sunday, June 28th, 2009

Today marks the end of the TWISTEX 2009 program.  Although our program runs until the end of the month, a ridge has settled in across the midwest, therefore eliminating any future missions. June 27th: Targeted southwest South Dakota for possible severe storms.  One isolated storm initiated in Julesburg, Colorado, and the anvil ...

TWISTEX fielding: June 26, 2009

Friday, June 26th, 2009

A brief synopsis of our operation for the next couple of days: Today, June 26: Location:  Chamberlain, South Dakota Differing model solutions complicate today's forecast.  Excellent mid level winds with incredible low level jet by evening should set the stage for severe storms. Current target is south central South Dakota or north central Nebraska. ...

TWISTEX fielding: June 25, 2009

Thursday, June 25th, 2009

A brief synopsis of our operation for the next couple of days: Today, June 25: Location:  Lakewood, Colorado Although today is a ferry day to the northern plains, its quite possible that we'll see supercells within the Black Hills area near Southwest South Dakota.  Good moisture and enough shear is present for severe ...

TWISTEX fielding: June 22, 2009

Monday, June 22nd, 2009

Today, June 22: Location:  Lakewood, Colorado Today will be a down day for the TWISTEX group.  Even though a very slight risk of severe storms exists in the northern plains, group will be down for a few days for a much needed break from a very active period. Future: Model data suggests that the ...

TWISTEX fielding: June 20, 2009

Saturday, June 20th, 2009

A brief synopsis of our operation for the next couple of days: June 18: Targeted northcentral Iowa, cirrus plumb and a strong capping layer prevented storms from initiating.  Drove to Waterloo, Iowa for the evening. Yesterday, June 19: Yesterday's supposed 'big day' turned into a huge complex of thunderstorms that initiated in eastern Nebraska/western ...

TWISTEX fielding: June 18, 2009

Thursday, June 18th, 2009

A brief synopsis of our operation for the next couple of days: June 16: Intercepted tornado producing supercell northwest of Yankton, South Dakota. Wedge-type tornado developed on the north side of the HP storm where the Probe vehicle was on the north side, and the other mesonet vehicles were on the south side. ...

TWISTEX fielding: June 16, 2009

Tuesday, June 16th, 2009

A brief synopsis of our operation for the next couple of days: Yesterday, June 15: Targeted an area near the border of Kansas and Nebraska where the surface winds were stronger and more 'backed' as opposed to southwest Kansas.  Targeted tornado-warned storms near Colby, Kansas late in the day, that did not ...

TWISTEX fielding: June 14, 2009

Sunday, June 14th, 2009

A brief synopsis of our operation for the next couple of days: Yesterday, June 13: Intercepted storm northeast of Raton, New Mexico, and followed it to near Rolla, Kansas where the supercell was tornado warned most its life.  Team witnessed a non-supercell tornado northeast of Campo, Colorado, and several funnels in Kansas. ...

TWISTEX fielding: June 13, 2009

Saturday, June 13th, 2009

A brief synopsis of our operation for the next couple of days: Today, June 13: Location:  Lakewood, CO New target of the Raton Mesa area, Oklahoma/Texas panhandle area as opposed to the northeast Colorado area has been chosen this morning due to numerous factors.  Positives include great windfields/helicity and good moisture.  Convective initiation ...

TWISTEX fielding: June 12, 2009

Friday, June 12th, 2009

A brief synopsis of our operation for the next couple of days: Yesterday, June 11: Intercepted tornado-warned supercell just east of Pueblo, CO.  Followed the storm to Lamar, where the team broke off the mission due to nightfall.  Several attempts at tornado genesis were noted on the north side of the HP ...