United B772 near Houston on Mar 17th 2014, severe turblence injures 3 flight attendants

A United Boeing 777-200, registration N77019 performing flight UA-128 from Rio de Janeiro Galeao,RJ (Brazil) to Houston,TX (USA), was descending between 13,000 and 10,000 feet towards Houston at about 04:40L (09:40Z) when the aircraft encountered severe turbulence causing injuries to three flight attendants. The crew subsequently requested ambulances to the gate and reported they had encountered a 90 knots windshear when winds dropped from 127 knots to 37 knots and further to 15 knots, the next arrival reported a wind change from 140 to 40 knots. The crew subsequently reported three flight attendants received head injuries, the severity of the injuries was still unknown but appeared rather minor. The aircraft continued for a safe landing on Houston's runway 27 about 15 minutes later.

The FAA reported three flight attendants received unknown injuries when the aircraft inbound to land encountered severe turbulence.

Metars:

KIAH 171153Z 34008KT 10SM OVC026 07/02 A2997 RMK AO2 SLP148 T00670017 10072 20067 55004

KIAH 171053Z 36010KT 10SM OVC023 07/02 A2996 RMK AO2 SLP145 T00670022

KIAH 170953Z 34009KT 10SM OVC023 07/02 A2996 RMK AO2 SLP147 T00670017

KIAH 170853Z 35011G19KT 10SM OVC025 07/02 A2998 RMK AO2 SLP152 T00670017 53001

KIAH 170753Z 33010KT 10SM OVC025 07/02 A2997 RMK AO2 SLP150 T00670017

KIAH 170653Z 35016G20KT 10SM OVC025 07/02 A2998 RMK AO2 PK WND 34026/0600 SLP152 T00720017

KIAH 170553Z 33016G20KT 10SM OVC025 07/02 A2998 RMK AO2 SLP151 T00720022 10122 20072 402060072 58001

KIAH 170453Z 35012G25KT 10SM OVC025 08/02 A2998 RMK AO2 PK WND 33026/0409 SLP153 T00780022