(updated 21 August 2003)
Send comments/questions to Pam Heinselman

KOUN Database of 2002 and 2003 Events by Type

Tornadic | Hail | MCS | Convective | Stratiform | Winter

Tornadic

May 8-9, 2003: Tornadic Supercell w/ little hail
May 9-10, 2003: Tornadic Supercell w/ copious hail
May 16, 2003: Tornadic Storm with Supercellular Characteristics

Hail

April 12, 2002: Convective cells w/ heavy rain and hail
June 12, 2002: Convective Cells w/ Hail Signatures in Woods and Kay Co.
April 23, 2003: Convective Cells w/ hail
April 29, 2003: Convective cells w/ hail in far southwestern OK
May 1, 2003: Convective cells w/ hail, followed by Biological Scatterers around KOUN and AP
May 4, 2003: Biological Scatterers in Clear Air, followed by Convective Cells w/ Hail Signatures
May 6, 2003: Convective Cells w/ Hail Signatures
May 10, 2003: Convective Line with Hail Signatures
May 14, 2003: Several Convective Cells w/ Large Hail
June 11-12, 2003: Low Precipitation Storms w/ Hail
June 4, 2002: Mature Squall Line w/ Hail and Heavy Rain
June 16, 2002: Mature Squall Line w/ Hail
March 13, 2003: Intensifying Squall line w/ hail
May 20, 2003: Line of Convective Cells w/ hail
June 10-11, 2003: Squall Line w/ Hail, Heavy Rain, and AP Behind Line
April 24, 2003: Supercell that evolves into bow-shaped echo
May 8-9, 2003: Tornadic Supercell w/ Few Hail Signatures
May 9-10, 2003: Tornadic Supercell w/ Many Hail Signatures

MCS

June 4, 2002: Mature Squall Line w/ Hail and Heavy Rain
June 5, 2002: Mature Squall with Heavy Rain Decays as it moves Across Eastern Oklahoma
June 16, 2002: Mature Squall Line w/ Hail
September 13, 2002: Stratiform with convective line
October 28, 2002: Asymmetric Squall Line
April 19, 2003: Morning squall line with afternoon convective cells and dry line
May 20, 2003: Line of Convective Cells w/ hail
May 23, 2003: Stratiform Precipitation w/ Embedded Convective Cells
May 26, 2002: Convective and Stratiform Precipitation with a Bright Band
March 13, 2003: Intensifying Squall line w/ hail
June 5, 2003: MCS over Southern Oklahoma
June 25-26, 2003: Two squall lines
MCS with AP and/or Biological Scatterers
May 27, 2002: "Splitting" Convective Line w/ AP behind it
June 13, 2002: Two Squall Lines with AP (some embedded) and Biological Scatterers
September 14, 2002: Multiple convective lines w/ Copious Biological Scatterers
August 13, 2002: Multiple Squall Lines, Gust Fronts, AP, and Biological Scatterers
September 18-19, 2002: Convective Line ahead of a Cold Front with flying biological scatterers
October 03, 2002: Flying Creatures ahead of Squall Line
October 29, 2002: End of 28 Oct squall line, with AP and Biological Scatterers
May 16, 2003: Nighttime MCS with Biological Scatterers
June 9, 2002: Convective Cells, Stratiform Precipitation, and Biological Scatterers
August 14, 2002: Convective and Stratiform Precipitation and Biological Scatterers around KOUN
August 24, 2002: Convective cells, Gust Fronts, AP, and Insects
May 24, 2003: Multiple Squall Lines with AP and Biological Scatterers
May 25, 2003: MCS Along Red River with AP and Biological Scatterers
June 4, 2003: MCS with Biological Scatterers Around KOUN
June 6, 2003: Squall Line with Biological Scatterers Ahead/Behind Line
June 10-11, 2003: Squall Line w/ Hail, Heavy Rain, and AP Behind Line
June 11-12, 2003: MCS with AP Behind It
June 14, 2003: MCS with AP

Convective

May 28, 2002: Rainbands Evolve Around Upper-Level Low
March 4, 2003: Strong Cold Front w/ weak convective cells
May 17, 2003: Few weak convective cells around KOUN
June 1, 2003: Convective Cells East of KOUN
Convective with AP and/or Biological Scatterers
May 17, 2002: Line of Convective Cells associated with Cold Front, and Flying Creatures
May 25, 2002: Precipitation bands associated with a Cold Front, and AP NW of KOUN
June 8, 2002: Convective Cells and Biological Scatterers
August 12, 2002: Weak line of cells with Biological Scatterers SE of KOUN
September 15, 2002: End of 14 Sept event w/ Copious Biological Scatterers
October 06, 2002: Convective Cells embedded w/in KOUN clutter
October 20, 2002: Weak Cells embedded in AP

Stratiform

Warm-season
April 7, 2002: Stratiform Precipitation
April 13, 2002: Stratiform precipitation w/ a few convective cells in south-central OK
May 12, 2002: Frontal Passage with light precipitation
June 18, 2002: Moderate Stratiform Precipitation with Bright Band
September 8, 2002: Stratiform Precipitation
September 9, 2002: Stratiform Precipitation
April 28, 2003: Stratiform Precipitation
May 15, 2003: Stratiform Precipitation in Northern Oklahoma
May 21, 2003: Stratiform Precipitation in Southern Oklahoma
August 27, 2002: AP behind and embedded w/in stratiform precipitation
Cold-season
October 01, 2002: Light Stratiform Precipitation
October 08, 2002: State-wide Stratiform Precipitation
October 09, 2002: Light Stratiform Precipitation
October 18, 2002: Moderate Stratiform Precipitation with Bright Band
October 23, 2002: Moderate Stratiform Precipitation with Bright Band
November 1, 2002: Light Stratiform Rain over southern Oklahoma
November 2, 2002: Light Stratiform Rain over Oklahoma
November 4, 2002: Light Stratiform Rain over Oklahoma
February 18, 2003: Light Stratiform Precipitation
February 20-22, 2003: Light Stratiform Precipitation
Cold-season with AP and/or Biological Scatterers
October 19, 2002: Two Moderate Stratiform Precipitation Systems, A Bright Band, and Biological Scatterers
October 24, 2002: Moderate Stratiform Precipitation with a bright band, Chaff , AP, and Biological Scatterers
October 25, 2002: End of 24 Oct '02 Stratiform Precipitation with AP and Biological Scatterers
October 27, 2002: Stratiform Precipitation, AP, and Biological Scatterers
November 5, 2002: End of 4 November Stratiform Rain, AP, and Biological Scatterers
December 9, 2002: Light Stratiform Precipitation w/ embedded non-meteorological scatterers
December 10 2002: End of 9 Dec '02 Light Stratiform Precipitation w/ non-meteorological scatterers

Winter

Mixed-Phase
December 3-4, 2002: Winter Storm with Snow, Freezing Rain, and Rain
February 26-27, 2003: Freezing drizzle / Light snow
Snow
January 12, 2003: Snow bands
January 16, 2003: Cold front with light snow
February 6, 2003: Snow bands in central OK with Chaff Signature
February 23, 2003: Heavy snow (20" in Ponca City!)
February 24-25, 2003: Red River Snow

AP, Biological Scatterers, and/or Chaff in Clear Air

May 16, 2002: Biological Scatterers around KOUN in Clear Air
August 28, 2002: Significant Anomalous Propagation around KOUN
August 29, 2002: Significant Anomalous Propagation around KOUN
January 18, 2003: Example of Interference NW of KOUN
February 06, 2003: Snow bands in central OK with Chaff Signature
May 1, 2003: Convective cells w/ hail, followed by Biological Scatterers around KOUN and AP
May 4, 2003: Biological Scatterers in Clear Air, followed by Convective Cells w/ Hail Signatures
May 5, 2003: Biological Scatterers Around KOUN
May 8-9, 2003: Tornadic Supercell w/ little hail and Biological Scatterers Afterward
May 18, 2003: Biological Scatterers Around KOUN
May 19, 2003: Biological Scatterers and AP w/ Convective Line over far NW OK
May 22, 2003: Biological Scatterers Around KOUN
June 13, 2003: AP Around KOUN, Followed by Convective Cell Development over OK
June 15, 2003: Convective Cell Development over central OK, Followed by AP and Biological Scatterers around KOUN
July 15, 2003: Insects Along Convergence Boundaries