But we were very concerned on Thursday 3/4/2021 with this first message.
ZCZC WEHW40 PHEB 041938 TSUHWX HIZ001>003-005>009-012>014-016>021-023>026-042138- /O.NEW.PHEB.TS.A.0001.210304T1938Z-000000T0000Z/ BULLETIN TSUNAMI MESSAGE NUMBER 1 NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI 938 AM HST THU MAR 04 2021 TO - EMERGENCY MANAGEMENT IN THE STATE OF HAWAII SUBJECT - TSUNAMI WATCH A TSUNAMI WATCH IS ISSUED FOR THE STATE OF HAWAII EFFECTIVE AT 0938 AM HST. AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS ORIGIN TIME - 0928 AM HST 04 MAR 2021 COORDINATES - 29.6 SOUTH 176.0 WEST LOCATION - KERMADEC ISLANDS REGION MAGNITUDE - 8.0 MOMENT EVALUATION BASED ON ALL AVAILABLE DATA A TSUNAMI MAY HAVE BEEN GENERATED BY THIS EARTHQUAKE THAT COULD BE DESTRUCTIVE ON COASTAL AREAS EVEN FAR FROM THE EPICENTER. AN INVESTIGATION IS UNDERWAY TO DETERMINE IF THERE IS A TSUNAMI THREAT TO HAWAII. IF TSUNAMI WAVES IMPACT HAWAII THE ESTIMATED EARLIEST ARRIVAL OF THE FIRST TSUNAMI WAVE IS 0435 PM HST THU 04 MAR 2021 FURTHER MESSAGES WILL BE ISSUED HOURLY OR SOONER AS CONDITIONS WARRANT UNTIL THE THREAT TO HAWAII HAS PASSED.
The morning after the watch I wanted to test my winlink HF station and skills in case they were needed.
Here are a few of the stations I was able to send and receive email messages. I would have tried for more but needed to get to work.
MAP from my home to the US Mainland. Using 100w on a ICOM IC-7300 and a G5RV jr antenna*
Here is the final message:
The Tsunami Watch triggered by a magnitude 8.1 earthquake near New Zealand, has been canceled for the state of Hawai'i.
The Watch was issued at 9:38 a.m. Thursday, according to Pacific Tsunami Warning Center. However, by 12:20 p.m., the agency canceled the alert.
"Based on all available data, there is no tsunami threat to the State of Hawai'i. Therefore, the Tsunami Watch for Hawai'i is now cancelled," the update read.