The Dallas and Fort Worth Storms of May 5, 1995
Exercise
Case Study
Case Study Page
Event Data

1. View the WSR-88D, visible and infrared satellite images that were available to you and to the NWS during the period of 2300-2330 UTC (6:00-6:30 PM CDT). What meteorological concerns might you have at this time? What specific actions should you be considering for the population-at-risk in Tarrant and Dallas counties?

KFWS Radar   Surface 6:00 PM
BREF1      
BVEL1   Infrared Loop
CREF      
1-hr Precip   Visible Loop
Total Precip      

 

Answer

2. Now move to the time period of 2330-0000 UTC (6:30-7:00 PM CDT). Have either of your concerns or your specific actions changed during the intervening period? If so, what's new?

KFWS Radar   Surface  
BREF1   7:00 PM  
BVEL1      
CREF   Soundings  
1-hr Precip   Norman  
Total Precip   Ft.Worth  

 

Answer

3. Consider the impact this storm might soon have on an outdoor social event. The event is the annual May Fest which is held the first weekend in May at Trinity Park in Fort Worth. Limited parking is available at the park, so event organizers transported festival goers by bus from parking lots several miles away. Answer

4. The first severe weather reports have arrived. Have your concerns and actions changed? If so, what's new? Answer

5. Move to the period of 0000-0100 UTC (7:00-8:00 PM CDT) and view the latest images. What meteorological concerns do you have now? What specific population is at risk? What actions are you considering?

KFWS Radar   Surface  
BREF1   7:00 PM  
BVEL1   8:00 PM  
CREF      
1-hr Precip      
Total Precip      

 

Answer

6. Another round of severe weather reports has arrived. Does this information change your strategy or the advice you might soon have to give to the Mayors in Fort Worth and Dallas? If so, what's new? Answer

7. Move to 0200 UTC (9:00 PM CDT). What does the WSR-88D now offer you in terms of new information? Is the environmental hazard still the same as you faced two hours ago? If not, what's new?

KFWS Radar   Surface  
BREF1   9:00 PM  
BVEL1      
CREF      
1-hr Precip      
Total Precip      

 

Answer

8. What physical mechanisms worked together to produce this widespread outbreak of convection?

Upper Air Charts      
250 MBWinds 850 mb Temps 850 mb Dew Point  

 

Answer

9. Of the various forms of severe weather that ensued, what issue(s) occupied the majority of your time leading up to your guidance decision made on behalf of the civil defense?

10. How well do you think the WSR-88D will perform during the evening hours with its ability to accurately measure precipitation?

Dallas Alert Raingage Network
   
8:15 PM  9:15 PM    
8:30 PM  9:30 PM    
8:45 PM  9:45 PM    
9:00 PM 10:00 PM    

Answer

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