Statewide Monitoring of the Mesoscale Environment: A Technical Update on the Oklahoma Mesonet Ken Crawford and Renee McPherson Oklahoma Climatological.

Statewide Monitoring of the Mesoscale Environment: A Technical Update on the

Oklahoma Mesonet

Statewide Monitoring of the Mesoscale Environment: A Technical Update on the

Oklahoma Mesonet

Ken Crawford and Renee McPhersonOklahoma Climatological Survey

The University of Oklahoma

October 17, 2006

Ken Crawford and Renee McPhersonOklahoma Climatological Survey

The University of Oklahoma

October 17, 2006

NWA Annual MeetingCleveland, OH

October 17, 2006

In The Beginning…In The Beginning…•January 1991 — $2.7 million from Governor Henry Bellmon

to launch the Oklahoma Mesonet

•Summer 1992 — Educational outreach program launched for K-12 teachers in Oklahoma (called ‘EarthStorm’)

•March 1994 — Oklahoma Mesonet commissioned

•Summer 1996 — OK-FIRST launched as an ‘educational outreach’ program for emergency management officials across Oklahoma

•October 2001 — OK-FIRST honored by Harvard University and the Ford Foundation as one of the five ‘most innovative’ programs in American government in 2001

•January 1991 — $2.7 million from Governor Henry Bellmon to launch the Oklahoma Mesonet

•Summer 1992 — Educational outreach program launched for K-12 teachers in Oklahoma (called ‘EarthStorm’)

•March 1994 — Oklahoma Mesonet commissioned

•Summer 1996 — OK-FIRST launched as an ‘educational outreach’ program for emergency management officials across Oklahoma

•October 2001 — OK-FIRST honored by Harvard University and the Ford Foundation as one of the five ‘most innovative’ programs in American government in 2001

NWA Annual MeetingCleveland, OH

October 17, 2006

Foundation of OCS Services...Foundation of OCS Services...

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NWA Annual MeetingCleveland, OH

October 17, 2006

Newer Services...Newer Services...

NWA Annual MeetingCleveland, OH

October 17, 2006

Outreach Services...Outreach Services...

NWA Annual MeetingCleveland, OH

October 17, 2006

The Initial, Key Ingredient:Reliable, No-Cost Communications

The Initial, Key Ingredient:Reliable, No-Cost Communications

NWA Annual MeetingCleveland, OH

October 17, 2006

Daily Mean Temperatures at Goodwell, OK for 2005(Data from ‘Co-located’ CRN, HCN & Mesonet Sites)

Daily Mean Temperatures at Goodwell, OK for 2005(Data from ‘Co-located’ CRN, HCN & Mesonet Sites)

Courtesy of Chris Fiebrich

NWA Annual MeetingCleveland, OH

October 17, 2006

The Major Heat Burst at Chickasha, OK0235 UTC on 23 May 1996

The Major Heat Burst at Chickasha, OK0235 UTC on 23 May 1996

•Divergence Moved East and Re-Intensified

•Strong Pressure Gradient Persisted

•Affected Ninnekah, Acme, and Minco

. .

NWA Annual MeetingCleveland, OH

October 17, 2006

The Major Heat Burst at Chickasha, OKThe Major Heat Burst at Chickasha, OK

•Gusts to 27 m/s; DTair of +7.4 oC; DTdew of -12.2 oC

•Sustained winds of 20 m/s

•Persistent Warm, Dry Air (Multiple Bursts?)

NWA Annual MeetingCleveland, OH

October 17, 2006

Dewpoint Temperature in the Oklahoma Mesonet0015 UTC on 27 March 2000

(Wheat Belt Outlined in Red)(Winds Near Calm - Dew Point in oC)

Dewpoint Temperature in the Oklahoma Mesonet0015 UTC on 27 March 2000

(Wheat Belt Outlined in Red)(Winds Near Calm - Dew Point in oC)

NWA Annual MeetingCleveland, OH

October 17, 2006

SOM Seminar – Matt HauglandAcross Oklahoma’s Winter Wheat BeltThe Diurnal Cycle of Land-Atmosphere Interactions

8 April 2000 (0000 UTC – 1300 UTC) Before Harvest – Ideal Day: Dewpoint ChangeBefore Harvest – Ideal Day: Dewpoint Change

NWA Annual MeetingCleveland, OH

October 17, 2006

0 0.2 0.4 0.6 0.8 1

0-5

5-10

10-20

20-30

30-40

40-50

50-60

60-70

70-80

Explained Variance Between Mean Soil-Water Content and Daily-Maximum of Heat Fluxes at the Norman Mesonet Site

SHLH

Explained Variance

Soil Depth (cm)

Linear Correlation of SH/LH Fluxes(With Respect To Depth Below Ground)

NWA Annual MeetingCleveland, OH

October 17, 2006

10-Year Return Frequency for Maximum Wind Speed(Based Upon Data From 12 Years at >100 Sites)

10-Year Return Frequency for Maximum Wind Speed(Based Upon Data From 12 Years at >100 Sites)

Courtesy of Andrew Reader

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(Speeds in mph)

NWA Annual MeetingCleveland, OH

October 17, 2006

Thank You…Any Questions?Thank You…Any Questions?

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