Dvorak
Enhanced IR Guide














The following graphics are the standard Dvorak Flowcharts used at AFWA 



(These are enhanced versions of the original flowcharts developed by Vernon Dvorak, 1984):








  Dvorak Enhanced Infrared Analysis Flowchart
  Enlarged Dvorak Enhanced Infrared Analysis  Flowchart



  
Current Intensity/ Wind Speed Relationship
 
















 






Step
- By - Step Guide:

Are you trying to
complete a Dvorak Intensity Estimate?

Try starting >>here<<












The individual Dvorak
Steps (for the ENHANCED

INFRARED Method) are
described in detail here:






         
Step
1: Find Cloud System Center (CSC)









         
Step
2: 

         
Select proper cloud pattern:		






Step
2A:  Curved Band Method





Step
2B:  Shear Method





Step
2C : EIR Eye Method





Step
2E : Embedded Center














         
Step
3: Central Cold Cover (CCC)









         
Step
4: 24 Hour Trend (D, S, W)









         
Step
5: Model Expected  T # (MET)









         
Step
6: Pattern T#









         
Step
7: Final T# determination









         
Step
8: Dvorak Constraints










         
Step
9: Current Intensity (CI) number









         
Step
10: 24 Hour Trend Forecast
















Return to main Dvorak Page






For More information, contact:






Paul 
McCrone, Meteorologist

Fleet
Numerical Meteorology & Oceanography Center (FNMOC) 

Data Ingest Team
Satellites

Office
Code: N34

7
Grace Hopper Ave., Stop 1

Monterey-
CA 93943-5501		

Email:Paul.J.McCrone@navy.mil

andPaulJMC@aol.com



WWW:

http://www.mccrones.com/

http://members.aol.com/PaulJMC/html		

Phones:

COMM:
(831) 656-4403

DSN:
878-4403

Fax:   
(831) 656-4363		









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