7-day Trajectories

Trajectories are created by Gary Morris (Valparaiso University) using the NASA Goddard Trajectory Model (Schoeberl & Sparling, 1995) in kinematic mode driven by NCEP 1×1 meteorological fields in a combination of analysis and forecast modes. Trajectories are initalized 24 hours in the future, then run backward for 7 days.

Discussion for 31 May 2009

500-m trajectories begin scattered from the Upper Midwest into Western Canada, coming together in the Dakotas (0 – 6 km) 5 – 7 days prior. The cluster then streams down the Great Plains into Eastern Texas (< 2 km) 0 – 3 days prior. The air mass spends the previous 24 hours along the Galveston – Louisiana Coasts – stagnant air. 1500-m trajectories stream into the Pacific Northwest and British Columbia 5 – 7 days prior, mainly 4 – 7 km. Most parcels gather in Minnesota and the Dakotas (2 – 4 km) 3 – 4 days prior. Most move down the Mississippi (2 – 3 km), arriving on the Gulf Coast 0 – 2 days prior – more stagnant air. 2500-m trajectories mainly stream into the Pacific Northwest 3 – 7 days prior > 4 km, while a second smaller groups comes ashore into Mexico and moves NNE into West Texas. The northern group descends down the Mississippi, with both groups arriving along the Gulf Coast 0 – 2 days prior from the N and NE. Again, the air mass is very stagnant.

Trajectory Data

Date 500m 1500m 2500m
31 May 2009 hou_b7_090531_500.mov hou_b7_090531_1500.mov hou_b7_090531_2500.mov
30 May 2009 hou_b7_090530_500.mov hou_b7_090530_1500.mov hou_b7_090530_2500.mov
29 May 2009 hou_b7_090529_500.mov hou_b7_090529_1500.mov hou_b7_090529_2500.mov
28 May 2009 hou_b7_090528_500.mov hou_b7_090528_1500.mov hou_b7_090528_2500.mov
27 May 2009 hou_b7_090527_500.mov hou_b7_090527_1500.mov hou_b7_090527_2500.mov
26 May 2009 hou_b7_090526_500.mov hou_b7_090526_1500.mov hou_b7_090526_2500.mov
25 May 2009 hou_b7_090525_500.mov hou_b7_090525_1500.mov hou_b7_090525_2500.mov
24 May 2009 hou_b7_090524_500.mov hou_b7_090524_1500.mov hou_b7_090524_2500.mov
23 May 2009 hou_b7_090523_500.mov hou_b7_090523_1500.mov hou_b7_090523_2500.mov
22 May 2009 hou_b7_090522_500.mov hou_b7_090522_1500.mov hou_b7_090522_2500.mov
21 May 2009 hou_b7_090521_500.mov hou_b7_090521_1500.mov hou_b7_090521_2500.mov
20 May 2009 hou_b7_090520_500.mov hou_b7_090520_1500.mov hou_b7_090520_2500.mov
19 May 2009 hou_b7_090519_500.mov hou_b7_090519_1500.mov hou_b7_090519_2500.mov
18 May 2009 hou_b7_090518_500.mov hou_b7_090518_1500.mov hou_b7_090518_2500.mov
17 May 2009 hou_b7_090517_500.mov hou_b7_090517_1500.mov hou_b7_090517_2500.mov
16 May 2009 hou_b7_090516_500.mov hou_b7_090516_1500.mov hou_b7_090516_2500.mov
15 May 2009 hou_b7_090515_500.mov hou_b7_090515_1500.mov hou_b7_090515_2500.mov
14 May 2009 hou_b7_090514_500.mov hou_b7_090514_1500.mov hou_b7_090514_2500.mov
13 May 2009 hou_b7_090513_500.mov hou_b7_090513_1500.mov hou_b7_090513_2500.mov
12 May 2009 hou_b7_090512_500.mov hou_b7_090512_1500.mov hou_b7_090512_2500.mov
11 May 2009 hou_b7_090511_500.mov hou_b7_090511_1500.mov hou_b7_090511_2500.mov
10 May 2009 hou_b7_090510_500.mov hou_b7_090510_1500.mov hou_b7_090510_2500.mov
09 May 2009 hou_b7_090509_500.mov hou_b7_090509_1500.mov hou_b7_090509_2500.mov
08 May 2009 hou_b7_090508_500.mov hou_b7_090508_1500.mov hou_b7_090508_2500.mov
07 May 2009 hou_b7_090507_500.mov hou_b7_090507_1500.mov hou_b7_090507_2500.mov
06 May 2009 hou_b7_090506_500.mov hou_b7_090506_1500.mov hou_b7_090506_2500.mov
05 May 2009 hou_b7_090505_500.mov hou_b7_090505_1500.mov hou_b7_090505_2500.mov
04 May 2009 hou_b7_090504_500.mov hou_b7_090504_1500.mov hou_b7_090504_2500.mov
03 May 2009 hou_b7_090503_500.mov hou_b7_090503_1500.mov hou_b7_090503_2500.mov
02 May 2009 hou_b7_090502_500.mov hou_b7_090502_1500.mov hou_b7_090502_2500.mov
01 May 2009 hou_b7_090501_500.mov hou_b7_090501_1500.mov hou_b7_090501_2500.mov
30 April 2009 hou_b7_090430_500.mov hou_b7_090430_1500.mov hou_b7_090430_2500.mov
29 April 2009 hou_b7_090429_500.mov hou_b7_090429_1500.mov hou_b7_090429_2500.mov
28 April 2009 hou_b7_090428_500.mov hou_b7_090428_1500.mov hou_b7_090428_2500.mov
27 April 2009 hou_b7_090427_500.mov hou_b7_090427_1500.mov hou_b7_090427_2500.mov
26 April 2009 hou_b7_090426_500.mov hou_b7_090426_1500.mov hou_b7_090426_2500.mov
25 April 2009 hou_b7_090425_500.mov hou_b7_090425_1500.mov hou_b7_090425_2500.mov
24 April 2009 hou_b7_090424_500.mov hou_b7_090424_1500.mov hou_b7_090424_2500.mov
23 April 2009 hou_b7_090423_500.mov hou_b7_090423_1500.mov hou_b7_090423_2500.mov
22 April 2009 hou_b7_090422_500.mov hou_b7_090422_1500.mov hou_b7_090422_2500.mov
21 April 2009 hou_b7_090421_500.mov hou_b7_090421_1500.mov hou_b7_090421_2500.mov
20 April 2009 hou_b7_090420_500.mov hou_b7_090420_1500.mov hou_b7_090420_2500b.mov
19 April 2009 hou_b7_090419_500.mov hou_b7_090419_1500.mov hou_b7_090419_2500.mov
18 April 2009 hou_b7_090418_500.mov hou_b7_090418_1500.mov hou_b7_090418_2500.mov
17 April 2009 hou_b7_090417_500.mov hou_b7_090417_1500.mov hou_b7_090417_2500.mov
16 April 2009 hou_b7_090416_500.mov hou_b7_090416_1500.mov hou_b7_090416_2500.mov
15 April 2009 hou_b7_090415_500.mov hou_b7_090415_1500.mov hou_b7_090415_2500.mov
14 April 2009 hou_b7_090414_500.mov hou_b7_090414_1500.mov hou_b7_090414_2500.mov
13 April 2009 hou_b7_090413_500.mov hou_b7_090413_1500.mov hou_b7_090413_2500.mov
12 April 2009 hou_b7_090412_500.mov hou_b7_090412_1500.mov hou_b7_090412_2500.mov
11 April 2009 hou_b7_090411_500.mov hou_b7_090411_1500.mov hou_b7_090411_2500.mov
back_trajectories/home.txt · Last modified: 2009/05/30 08:01 by gmorris
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