Right on schedule, afternoon showers and thunderstorms developed in pasts of central Indiana The broken line extended from east to west in a line from near Dayton, Ohio west to Champaign, Illinois just after 6:30 pm. A few heavy downpours occurred but mos the of the rain was rather selective along the southeast bound line.
Rainfall was feast or famine with at one point nearing one inch at our studios on the northwest side with nothing reported at the airport. High level of humidity, an approaching cold front aided in the storm development and the blinding rainfall. A severe thunderstorm warning was issued on a storm in Hendricks county with potential 50+ mph wind gusts possible. Below the image from the Crew Car wash in Avon as the storm approached and the radar scan of wind velocity detected over 50 mph just after 6:30 PM.
In just a matter of minutes the storm would weaken and only bring a heavy downpour.
Additional storms were heavy in and around downtown Indianapolis with gusty winds and we received our first measurable rainfall of the month. Below note the selective nature of the rainfall and how the amounts varied from 1" totals to nearly nothing.
DRY CONDITIONS EXPAND
Late day many locations did not receive the beneficial rainfall and show a deficit approaching one inch below normal for the month of August. Thursday afternoon the Drought Mitigation Center released an update report on the state of Indiana showing that 'abnormally dry' conditions have doubled to now over 33% of the state.
The rain and storm threat will linger through 12 am and diminish as a cold front sweeps the state. The highly humid air will be swept away as the front settles near the Ohio river by sunrise Friday.
FIRST 90-DEGREE DAY IN WEEKS
August has opened on a warm streak with each afternoon topping 87° or higher with the exception of the first day of the month. Thursday the official thermometer fort hr city topped 90-degrees for the first time in over two and half weeks. That brings the total for the season to 15 days. The average is 19 per year.
This is only the 15th August ever to open with no measurable rain throughout the first eight days. The rainfall was selective on Thursday and if you did not receive a drenching downpour or two - the rain thereat is still quite small and for the next several days. In fact, the next best threat of area-wide rainfall will not arrive until late Monday night and Tuesday.