jimladueview.blogspot.com
Jim LaDue view: October 2011
http://jimladueview.blogspot.com/2011_10_01_archive.html
A collection of the things that interest me. Wednesday, October 26, 2011. How did the thousand year rain in Washington DC happen? Figure 1. Six hourly rainfall amounts from two times showing the different character of the rainfall. The latter rainfalls on the right showed two areas that exceeded 1000 year return intervals just south of Washington DC. This image is courtesy of. Http:/ nmq.ou.edu/. Why did the 1000 year three hour rains occur on the second day? Figure 4. Upper-level analysis showing th...
jimladueview.blogspot.com
Jim LaDue view: Could the Norman, ok snow of 27 Dec 2014 have been anticipated?
http://jimladueview.blogspot.com/2014/12/could-norman-ok-snow-of-27-dec-2014.html
A collection of the things that interest me. Sunday, December 28, 2014. Could the Norman, ok snow of 27 Dec 2014 have been anticipated? I'm sure the heavy snow that began early in the morning of December 27, 2014 in Oklahoma was a surprise to many; an event which could've led to more significant impacts than what we saw given that it occurred only 2 days after Christmas . A scene typical of central Oklahoma roads. Unknown source. Storm total snow amounts courtesy of NWS Norman. The NAM forecast model, ho...
jimladueview.blogspot.com
Jim LaDue view: April 2014
http://jimladueview.blogspot.com/2014_04_01_archive.html
A collection of the things that interest me. Saturday, April 19, 2014. Learning moments from the May 2013 Oklahoma tornadoes. Yes, central Oklahoma suffered in 2013. However, so many tornadoes in close proximity to a large meteorological center provides a great opportunity to learn from these disasters. Not everything learned is in this talk, but hopefully some essence of what is learned can be had from these pictures to follow. That kind of guidance is valuable in helping the SPC issue not just tornado ...
jimladueview.blogspot.com
Jim LaDue view: February 2013
http://jimladueview.blogspot.com/2013_02_01_archive.html
A collection of the things that interest me. Monday, February 25, 2013. Incredible snow forecast for Woodward, OK — or is it? Even earlier, the 21 UTC SREF (Short Range Ensemble Forecasts) snowfall chart shows a mean dump of over 25" in Woodward. In the image below, all of the ensemble members are plotted on the same timeline from the SPC website. Time increases to the right). Some of the forecasts bury Woodward in over three feet of snow! Created by Dr. Martin Baxter. Let's assume a 12:1 ratio a...Due t...
jimladueview.blogspot.com
Jim LaDue view: March 2012
http://jimladueview.blogspot.com/2012_03_01_archive.html
A collection of the things that interest me. Friday, March 2, 2012. How does the West Liberty, KY tornado compare with other big tornadoes? For the West Liberty, KY storm, that value was a velocity difference (Delta-V) of 188 kts. The distance from the Jackson, KY radar to the storm was roughly 20 nm. That's an impressive value reflecting the impressive nature of the tornado. The Tuscaloosa, AL tornado. Let's go on and look at other big tornadoes. Speaking of the precipitation core, it was huge. By f...
jimladueview.blogspot.com
Jim LaDue view: January 2013
http://jimladueview.blogspot.com/2013_01_01_archive.html
A collection of the things that interest me. Tuesday, January 22, 2013. What do we do about them? An Ocean Prediction Center analysis of the west Pacific cyclone at near peak intensity. The wind field that was hurricane force over a wide area, mostly west and south of the low center in a famously typical area for rapidly deepening extratropical cyclones. An ECMWF 3 hour forecast of the 10 m winds around the west Pacific storm (courtesy of the Weather Underground). 500 mb (left) heights and anomalies and ...
jimladueview.blogspot.com
Jim LaDue view: March 2013
http://jimladueview.blogspot.com/2013_03_01_archive.html
A collection of the things that interest me. Sunday, March 3, 2013. How many times has there been a bow echo in an environment cold enough for snow to reach the ground within the confines of its heavy precipitation shield? The answer for my experience is – never! Figure 2. Reflectivity (left panel, base velocity (middle panel), and Differential Reflectivity (right panel) from the Billings, MT WSR-88D lowest elevation scan at 2013-03-03 2246 UTC. KBIL 032140Z 30034G51KT 1SM R10L/5000VP6000FT -RAPL BKN020 ...
jimladueview.blogspot.com
Jim LaDue view: January 2012
http://jimladueview.blogspot.com/2012_01_01_archive.html
A collection of the things that interest me. Friday, January 6, 2012. Why were there more tornadoes on November 16 than on the 14th? Why was the severe storms outbreak on 14 November 2011 lacking in tornadoes whereas the outbreak two days later had multiple tornadoes? Let's go on and take a look at more details. Figure 3. Surface 2-D frontogenesis, surface plot and mosaic radar reflectivity for 20 UTC 14 November 2011. The thin black contours represent sealevel pressure while the thick blue line ...Figur...
jimladueview.blogspot.com
Jim LaDue view: January 2014
http://jimladueview.blogspot.com/2014_01_01_archive.html
A collection of the things that interest me. Monday, January 6, 2014. Extreme cold lake effect and what to expect on Lake Ontario, part 2. Perhaps more impressive is that the 850 mb temperatures have fallen to -30 C over the upper midwest and as I wrote in the last entry. These sub -30 C temps will advect eastward to Pennsylvania. Again, as far as the big cold waves are concerned, this is not unprecedented, only unusual to the extent that they occur every several years or so. But will that be the case?
jimladueview.blogspot.com
Jim LaDue view: December 2014
http://jimladueview.blogspot.com/2014_12_01_archive.html
A collection of the things that interest me. Sunday, December 28, 2014. Could the Norman, ok snow of 27 Dec 2014 have been anticipated? I'm sure the heavy snow that began early in the morning of December 27, 2014 in Oklahoma was a surprise to many; an event which could've led to more significant impacts than what we saw given that it occurred only 2 days after Christmas . A scene typical of central Oklahoma roads. Unknown source. Storm total snow amounts courtesy of NWS Norman. The NAM forecast model, ho...
