4. Forecast Applications

Convection » Hail Forecast Exercise: Hail Size - 1

Skew-T with sounding for hail forecasting exercise

To answer the next question, you may want to open the Interactive Skew-T with this sounding.

Now let's apply the hail size nomogram.
Consider the morning sounding examined previously.
Determine the following quantities:
Enter the values for each property, then click Done.

1. Wet-bulb zero level hPa     

2. CCL hPa
(As before, use the 950 hPa dewpoint as an average dewpoint of the lowest 100 hPa when determining CCL.)      

3. -5I level hPa     

4. A °C     

5. B °C     

6. C °C     

7. Nomogram Base (A-B) °C     

8. Nomogram Altitude (C-B) °C