Narrative:

This happened after we departed off of runway xxl in ZZZ on the ZZZZZ5 departure at the ZZZZZ1 fix. There was weather moving into the area. ATC held us on the ground for about 15+ min for a possible reroute that never happened. We got cleared to taxi to xxl via taxiway D. I overheard a wind shear warning on tower frequency; so I had the first officer (first officer) enter wind shear numbers into the ACARS. We were cleared for takeoff RNAV ZZZZZ1 xxl. At ZZZZZ1 conditions worsened significantly; we switched to departure and were issued a climb to 15000 ft and heading of 120. We complied and the altitude and heading bug were set. But I had a bad feeling about this heading. However before I could query ATC; the [airliner] flight that took off before us and flew the route that was intended for us called ATC and said 'don't turn them to the right! We just encountered severe turbulence and it kicked our ass' ATC immediately turned us left to 270. It was a little too late as we got caught in severe turbulence. We were turned another 40 degrees to the left. The aircraft was very difficult to control; I told ATC we are unable 15000 ft and was issued 5000 ft; I further asked for 4000 ft as 5000 ft would have put us right in the cloud base and even more turbulence. The first officer handled the situation exceptionally well keeping control the best way he could. It was a struggle to maintain altitude; heading; and airspeed. The altitude loss and gain was +/- 200 ft to 300 ft; airspeed loss and gain was +/- 30+ knots and heading deviations of 10-15 degrees right and left of course. I called out the deviations to the first officer and advised ATC of our progress. The goal was to simply escape the severe turbulence. We exited the turbulence got back on airspeed; altitude and heading and maintained all further instructions. My first priority was to check on the flight attendant and asked if everyone was ok and not injured; she responded with 'everyone is ok'. We continued on to ZZZ1 without any more incidents.I'm not sure that there are any suggestions on this as it was weather related and happened very suddenly and unexpectedly without a way to predict the turbulence event. ATC did a great job of vectoring; we did a great job in getting out of the turbulence and maintaining control; and the flight crew of the southwest flight did a wonderful job of quickly telling ATC to not turn us to the right. I feel an [report] is warranted because we couldn't hold altitude airspeed and heading due to the intensity of the turbulence.

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Original NASA ASRS Text

Title: CRJ-200 flight crew reported encountering severe turbulence after takeoff.

Narrative: This happened after we departed off of Runway XXL in ZZZ on the ZZZZZ5 Departure at the ZZZZZ1 fix. There was weather moving into the area. ATC held us on the ground for about 15+ min for a possible reroute that never happened. We got cleared to taxi to XXL via Taxiway D. I overheard a wind shear warning on tower frequency; so I had the FO (First Officer) enter wind shear numbers into the ACARS. We were cleared for takeoff RNAV ZZZZZ1 XXL. At ZZZZZ1 conditions worsened significantly; we switched to Departure and were issued a climb to 15000 ft and heading of 120. We complied and the altitude and heading bug were set. But I had a bad feeling about this heading. However before I could query ATC; the [airliner] flight that took off before us and flew the route that was intended for us called ATC and said 'Don't turn them to the right! We just encountered severe turbulence and it kicked our ass' ATC immediately turned us left to 270. It was a little too late as we got caught in severe turbulence. We were turned another 40 degrees to the left. The aircraft was very difficult to control; I told ATC we are unable 15000 ft and was issued 5000 ft; I further asked for 4000 ft as 5000 ft would have put us right in the cloud base and even more turbulence. The FO handled the situation exceptionally well keeping control the best way he could. It was a struggle to maintain altitude; heading; and airspeed. The altitude loss and gain was +/- 200 ft to 300 ft; airspeed loss and gain was +/- 30+ knots and heading deviations of 10-15 degrees right and left of course. I called out the deviations to the FO and advised ATC of our progress. The goal was to simply escape the severe turbulence. We exited the turbulence got back on airspeed; altitude and heading and maintained all further instructions. My first priority was to check on the Flight Attendant and asked if everyone was ok and not injured; she responded with 'everyone is ok'. We continued on to ZZZ1 without any more incidents.I'm not sure that there are any suggestions on this as it was weather related and happened very suddenly and unexpectedly without a way to predict the turbulence event. ATC did a great job of vectoring; we did a great job in getting out of the turbulence and maintaining control; and the flight crew of the southwest flight did a wonderful job of quickly telling ATC to not turn us to the right. I feel an [Report] is warranted because we couldn't hold altitude airspeed and heading due to the intensity of the turbulence.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.