The Resource An investigation of thundersnow environment differences between the Phoenix metropolitan area and Columbia, MO from an analytical and modeling perspective, by Peter Speck

An investigation of thundersnow environment differences between the Phoenix metropolitan area and Columbia, MO from an analytical and modeling perspective, by Peter Speck

Label
An investigation of thundersnow environment differences between the Phoenix metropolitan area and Columbia, MO from an analytical and modeling perspective
Title
An investigation of thundersnow environment differences between the Phoenix metropolitan area and Columbia, MO from an analytical and modeling perspective
Statement of responsibility
by Peter Speck
Creator
Contributor
Author
Thesis advisor
Subject
Genre
Language
eng
Summary
Thundersnow (TSSN) is linked to increased snowfall intensity and accumulation totals within cyclones. Although rare, TSSN has been observed and studied across various regions of the U.S., although most attention has been given to the Midwest, Great Salt Lake and Great Lakes regions. On 20 February 2013 an upper level low with 500-hPa temperatures below 243 K tracked slowly eastward across the Southwestern U.S. and brought with it a wide swath of precipitation mostly in the form of rain over the low deserts. In the late afternoon, localized snow and graupel accumulations occurred in the Phoenix Metropolitan Area (PMA), with coincident reports of thunder. The Earth Network Total Lightning Network (ENTLN) confirmed lightning strikes in the area. This is an unusual event in that convective snowfall and snow accumulation at lower elevations of the PMA are extremely rare. Initial analysis of 3-km High Resolution Rapid Refresh (HRRR) output showed an isolated region of instability over the PMA (e.g., surface CAPE greater than 500 J kg-1 per the HRRR simulations) along with warm temperatures at the lower levels and the surface. This suggests that enough of an updraft was present to initiate charge separation, and that the event was likely surface based in nature. Temperatures likely cooled due to cooling effects of melting, evaporation and sublimation as precipitation fell, and allowed for a deepening of the 0°C isotherm and for frozen precipitation to reach the surface. This upper level storm continued eastward towards the central Great Plains on 21 February 2013, and produced more TSSN across the panhandles of Texas and Oklahoma, Kansas and Missouri, including Columbia, MO. Synoptic and mesoscale analysis hinted at an evolution in TSSN environments, and that TSSN likely was the result of a developing lower level warm front with elevated instability above
Cataloging source
MUU
http://library.link/vocab/creatorName
Speck, Peter
Degree
M.S.
Dissertation note
Thesis
Dissertation year
2015.
Government publication
government publication of a state province territory dependency etc
Granting institution
University of Missouri--Columbia
Illustrations
  • illustrations
  • maps
Index
no index present
Literary form
non fiction
Nature of contents
  • dictionaries
  • bibliography
  • theses
http://library.link/vocab/relatedWorkOrContributorName
Svoma, Bohumil V.
http://library.link/vocab/subjectName
  • Thunderstorms
  • Snow
  • Meteorological satellites
  • Missouri
  • Arizona
Label
An investigation of thundersnow environment differences between the Phoenix metropolitan area and Columbia, MO from an analytical and modeling perspective, by Peter Speck
Instantiates
Publication
Copyright
Note
  • "A Thesis Presented to the Faculty of the Graduate School at the University of Missouri In Partial Fulfillment of the Requirements for the Degree Master of Science."
  • Thesis advisor: Dr. Bohumil Svoma
Bibliography note
Includes bibliographical references (pages 187-189)
Carrier category
online resource
Carrier category code
cr
Carrier MARC source
rdacarrier
Content category
text
Content type code
txt
Content type MARC source
rdacontent
Control code
958830584
Extent
1 online resource (xviii, 189 pages)
Form of item
online
Media category
computer
Media MARC source
rdamedia
Media type code
c
Other physical details
illustrations, maps
Specific material designation
remote
System control number
(OCoLC)958830584
Label
An investigation of thundersnow environment differences between the Phoenix metropolitan area and Columbia, MO from an analytical and modeling perspective, by Peter Speck
Publication
Copyright
Note
  • "A Thesis Presented to the Faculty of the Graduate School at the University of Missouri In Partial Fulfillment of the Requirements for the Degree Master of Science."
  • Thesis advisor: Dr. Bohumil Svoma
Bibliography note
Includes bibliographical references (pages 187-189)
Carrier category
online resource
Carrier category code
cr
Carrier MARC source
rdacarrier
Content category
text
Content type code
txt
Content type MARC source
rdacontent
Control code
958830584
Extent
1 online resource (xviii, 189 pages)
Form of item
online
Media category
computer
Media MARC source
rdamedia
Media type code
c
Other physical details
illustrations, maps
Specific material designation
remote
System control number
(OCoLC)958830584

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