Archive for the ‘Fielding Status’ Category

Pre-TWISTEX fielding: April 17, 2009

Friday, April 17th, 2009

All: This is a first of a series of near-daily email discussions of our tornado field research program.  If you wish to not receive these updates, please email me and I'll remove you from the list. A detailed discussion of our project is available at www.twistex.org. Due to time constraints this morning, this ...

TWISTEX Status Message: June 24, 2008 – END OF SEASON

Tuesday, June 24th, 2008

All: Current Location: Lakewood, CO The TWISTEX field program has been terminated for the season. 12z model data suggests that the current shortwave over SD/ND will scour out most of the moisture in the Dakotas leaving dry conditions for western SD/NE where the best dynamics are located. On Thursday evening, models show the shortwave ...

TWISTEX Status Message: June 23, 2008

Monday, June 23rd, 2008

All: Current Location: Lakewood, CO There are hints of possible operations for Wednesday and Thursday of this week.  Although not the greatest opportunitites, we are carefully evaluating these as a possible trip.  Small 500 mb flow disturbances appear to be riding along the zonal flow with reasonable moisture in place for the ...

TWISTEX Status Message: June 19, 2008

Thursday, June 19th, 2008

All: Current Location:  Lakewood, CO Currently the TWISTEX project is currently down, and will likely remain down until the current ridge breaks down.  Seems like a summertime pattern has set in at the moment with northwest flow generating nightly MCS complexes that are racing southeast across the midwest. At the moment, it appears that ...

TWISTEX Status Message: June 17, 2008

Tuesday, June 17th, 2008

All: Current Location:  Lakewood, CO Currently the TWISTEX project is currently down, and will likely remain down until the current ridge breaks down.  GFS continues to show ridging through the weekend with some possibilities perhaps by mid next week. TWISTEX project will remain active through the end of June but will end if the forecast ...

TWISTEX Status Message: June 14, 2008

Saturday, June 14th, 2008

All: Current Location:  Lakewood, CO Currently the TWISTEX project is currently down, and will likely remain down until the current ridge breaks down.  GFS shows some hope of operations in the northern plains/Canada by late next week. TWISTEX project will remain active through the end of June but will end if the forecast ...

TWISTEX Status Message: June 12, 2008

Thursday, June 12th, 2008

All: Current Location:  Lincoln, Nebraska Yesterday, we intercepted a tornadic circulation approximately 100-150 meters from the mobile mesonets about 30 miles east of Lincoln late last night.  Circulation was buried within the line of convection, and was moving to the north at ~40 kts.  No in-situ deployments attempted. Today a reasonable target seems ...

TWISTEX Status Update: June 10, 2008

Tuesday, June 10th, 2008

All: Current location:  Teams en-route to potential target today along warm front in southeastern, SD near Neb border. "A Tale of Two Models" Based on the 12Z runs, RUC paints an optimistic picture for good moisture return right up to warm front and convective initiation by 22Z. Storms fire within about an hour's ...

TWISTEX Status Message: June 9, 2008

Monday, June 9th, 2008

All: Current location:  Teams in Denver, Ames and Grand Rapids. Denver-based and Grand Rapids-based TWISTEX teams will be using today as a positioning day for potential operations on Tuesday.   The ISU team should be able to reach the initial meeting site with ease on Tuesday.  The emerging wave appears slightly more ...

TWISTEX Fielding Status: June 8, 2008

Sunday, June 8th, 2008

All: Current location:  A portion of TWISTEX overnighted in OMA. Although Tim had laptop crash issues, he conveyed to me this morning that while operational opportunities yesterday were not easy to come by, at least there was one tornado within two miles of their hotel in OMA after dark. TWISTEX will be down ...