<div dir="ltr"><p dir="ltr" style="color:rgb(0,0,0);line-height:1.2;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10pt;font-family:Arial,sans-serif;font-variant-numeric:normal;font-variant-alternates:normal;font-variant-east-asian:normal;vertical-align:baseline">Dear Partners,</span></p><br style="color:rgb(0,0,0)"><p dir="ltr" style="color:rgb(0,0,0);line-height:1.2;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10pt;font-family:Arial,sans-serif;font-variant-numeric:normal;font-variant-alternates:normal;font-variant-east-asian:normal;vertical-align:baseline">As outlined in the </span><a href="https://www.weather.gov/media/wrn/NWS-2023-Strategic-Plan.pdf" target="_blank" style="text-decoration-line:none"><span style="font-size:10pt;font-family:Arial,sans-serif;font-variant-numeric:normal;font-variant-alternates:normal;font-variant-east-asian:normal;text-decoration-line:underline;vertical-align:baseline">National Weather Service (NWS) Strategic Plan</span></a><span style="font-size:10pt;font-family:Arial,sans-serif;font-variant-numeric:normal;font-variant-alternates:normal;font-variant-east-asian:normal;vertical-align:baseline">, the NWS is investing in its infrastructure. This strategy includes the modernization and replacement of the </span><a href="https://water.weather.gov/ahps/" target="_blank" style="text-decoration-line:none"><span style="font-size:10pt;font-family:Arial,sans-serif;font-variant-numeric:normal;font-variant-alternates:normal;font-variant-east-asian:normal;text-decoration-line:underline;vertical-align:baseline">Advanced Hydrologic Prediction Service (AHPS)</span></a><span style="font-size:10pt;font-family:Arial,sans-serif;font-variant-numeric:normal;font-variant-alternates:normal;font-variant-east-asian:normal;vertical-align:baseline"> web dissemination platform with the National Water Prediction Service (NWPS) on or around </span><span style="font-size:10pt;font-family:Arial,sans-serif;font-weight:700;font-variant-numeric:normal;font-variant-alternates:normal;font-variant-east-asian:normal;vertical-align:baseline">March 27, 2024</span><span style="font-size:10pt;font-family:Arial,sans-serif;font-variant-numeric:normal;font-variant-alternates:normal;font-variant-east-asian:normal;vertical-align:baseline">. </span></p><br style="color:rgb(0,0,0)"><p dir="ltr" style="color:rgb(0,0,0);line-height:1.2;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10pt;font-family:Arial,sans-serif;font-variant-numeric:normal;font-variant-alternates:normal;font-variant-east-asian:normal;vertical-align:baseline">We recognize that AHPS provides you and others with critical hydrologic information, especially during extreme hydrologic events, and as such we are sharing information here about the transition not only to help you prepare but also to ensure there are no gaps in service.</span></p><br style="color:rgb(0,0,0)"><p dir="ltr" style="color:rgb(0,0,0);line-height:1.2;margin-top:0pt;margin-bottom:10pt"><span style="font-size:10pt;font-family:Arial,sans-serif;font-variant-numeric:normal;font-variant-alternates:normal;font-variant-east-asian:normal;vertical-align:baseline">Below is key information for you:</span></p><ul style="color:rgb(0,0,0);margin-top:0px;margin-bottom:0px"><li dir="ltr" style="margin-left:15px;list-style-type:disc;font-size:10pt;font-family:Arial,sans-serif;font-weight:700;font-variant-numeric:normal;font-variant-alternates:normal;font-variant-east-asian:normal;vertical-align:baseline"><p dir="ltr" role="presentation" style="line-height:1.2;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10pt;font-variant-numeric:normal;font-variant-alternates:normal;font-variant-east-asian:normal;text-decoration-line:underline;vertical-align:baseline">What is NWPS</span><span style="font-size:10pt;font-variant-numeric:normal;font-variant-alternates:normal;font-variant-east-asian:normal;vertical-align:baseline">: </span><span style="font-size:10pt;font-weight:400;font-variant-numeric:normal;font-variant-alternates:normal;font-variant-east-asian:normal;vertical-align:baseline">The NWPS web dissemination platform will be the replacement for AHPS. NWPS will leverage the NWS’ Dissemination Cloud infrastructure, a modernized Web technology framework incorporating geospatial technology and web services to disseminate critical hydrologic information to you year round. In addition to the enhanced Graphical User Interface (GUI), NWPS will include an Application Programming Interface (API) that will allow you to integrate operational forecast information within your own applications.  Information on the NWPS access, use, evaluation and training material is available at </span><a href="https://www.weather.gov/owp/operations" target="_blank" style="text-decoration-line:none"><span style="font-size:10pt;font-weight:400;font-variant-numeric:normal;font-variant-alternates:normal;font-variant-east-asian:normal;text-decoration-line:underline;vertical-align:baseline">https://www.weather.gov/owp/operations</span></a><span style="font-size:10pt;font-weight:400;font-variant-numeric:normal;font-variant-alternates:normal;font-variant-east-asian:normal;vertical-align:baseline">. </span></p></li><li dir="ltr" style="margin-left:15px;list-style-type:disc;font-size:10pt;font-family:Arial,sans-serif;font-weight:700;font-variant-numeric:normal;font-variant-alternates:normal;font-variant-east-asian:normal;vertical-align:baseline"><p dir="ltr" role="presentation" style="line-height:1.2;margin-top:10pt;margin-bottom:0pt"><span style="font-size:10pt;font-variant-numeric:normal;font-variant-alternates:normal;font-variant-east-asian:normal;text-decoration-line:underline;vertical-align:baseline">Service Change Notice</span><span style="font-size:10pt;font-variant-numeric:normal;font-variant-alternates:normal;font-variant-east-asian:normal;vertical-align:baseline">:</span></p></li><ul style="margin-top:0px;margin-bottom:0px"><li dir="ltr" style="margin-left:15px;list-style-type:circle;font-size:10pt;font-family:Arial,sans-serif;font-weight:700;font-variant-numeric:normal;font-variant-alternates:normal;font-variant-east-asian:normal;vertical-align:baseline"><p dir="ltr" role="presentation" style="line-height:1.2;margin-top:10pt;margin-bottom:0pt"><span style="font-size:10pt;font-weight:400;font-variant-numeric:normal;font-variant-alternates:normal;font-variant-east-asian:normal;vertical-align:baseline">A <span style="font-size:10pt;font-variant-numeric:normal;font-variant-alternates:normal;font-variant-east-asian:normal;vertical-align:baseline"><a href="https://www.weather.gov/media/notification/pdf_2023_24/scn24-03_exp_nwps_website_t2o.pdf" target="_blank">Service Change Notice</a></span><span style="font-size:10pt;font-variant-numeric:normal;font-variant-alternates:normal;font-variant-east-asian:normal;vertical-align:baseline"><a href="https://www.weather.gov/media/notification/pdf_2023_24/scn24-03_exp_nwps_website_t2o.pdf" target="_blank"> (SCN) </a></span>(listed here: </span><a href="https://www.weather.gov/notification/#scn" target="_blank" style="text-decoration-line:none"><span style="font-size:10pt;font-weight:400;font-variant-numeric:normal;font-variant-alternates:normal;font-variant-east-asian:normal;text-decoration-line:underline;vertical-align:baseline">https://www.weather.gov/notification/</span></a><span style="font-size:10pt;font-weight:400;font-variant-numeric:normal;font-variant-alternates:normal;font-variant-east-asian:normal;vertical-align:baseline">) was posted on Friday, January 12, announcing the 75-day transition of the experimental NWPS service to operational status. </span></p></li><li dir="ltr" style="margin-left:15px;list-style-type:circle;font-size:10pt;font-family:Arial,sans-serif;font-weight:700;font-variant-numeric:normal;font-variant-alternates:normal;font-variant-east-asian:normal;vertical-align:baseline"><p dir="ltr" role="presentation" style="line-height:1.2;margin-top:10pt;margin-bottom:0pt"><a href="https://preview.water.noaa.gov/" target="_blank" style="text-decoration-line:none"><span style="font-size:10pt;font-weight:400;font-variant-numeric:normal;font-variant-alternates:normal;font-variant-east-asian:normal;text-decoration-line:underline;vertical-align:baseline">https://preview.water.noaa.gov</span></a><span style="font-size:10pt;font-weight:400;font-variant-numeric:normal;font-variant-alternates:normal;font-variant-east-asian:normal;vertical-align:baseline"> will still be available until March 27, 2024 with minor interruption. It is advised that the public and NWS partners continue to familiarize themselves with this webpage.</span></p></li></ul><li dir="ltr" style="margin-left:15px;list-style-type:disc;font-size:10pt;font-family:Arial,sans-serif;font-weight:700;font-variant-numeric:normal;font-variant-alternates:normal;font-variant-east-asian:normal;vertical-align:baseline"><p dir="ltr" role="presentation" style="line-height:1.2;margin-top:10pt;margin-bottom:0pt"><span style="font-size:10pt;font-variant-numeric:normal;font-variant-alternates:normal;font-variant-east-asian:normal;text-decoration-line:underline;vertical-align:baseline">Operational Implementation</span><span style="font-size:10pt;font-variant-numeric:normal;font-variant-alternates:normal;font-variant-east-asian:normal;vertical-align:baseline">:  </span><span style="font-size:10pt;font-weight:400;font-variant-numeric:normal;font-variant-alternates:normal;font-variant-east-asian:normal;vertical-align:baseline">On or about March 27, 2024 NWPS will become fully operational. While </span><a href="https://water.weather.gov/" target="_blank" style="text-decoration-line:none"><span style="font-size:10pt;font-weight:400;font-variant-numeric:normal;font-variant-alternates:normal;font-variant-east-asian:normal;text-decoration-line:underline;vertical-align:baseline">https://water.weather.gov/</span></a><span style="font-size:10pt;font-weight:400;font-variant-numeric:normal;font-variant-alternates:normal;font-variant-east-asian:normal;vertical-align:baseline"> was used for AHPS, NWPS will be implemented using the following URL, </span><a href="https://water.noaa.gov/" target="_blank" style="text-decoration-line:none"><span style="font-size:10pt;font-weight:400;font-variant-numeric:normal;font-variant-alternates:normal;font-variant-east-asian:normal;text-decoration-line:underline;vertical-align:baseline">https://water.noaa.gov</span></a><span style="font-size:10pt;font-weight:400;font-variant-numeric:normal;font-variant-alternates:normal;font-variant-east-asian:normal;vertical-align:baseline">. The application currently present at </span><a href="https://water.noaa.gov/" target="_blank" style="text-decoration-line:none"><span style="font-size:10pt;font-weight:400;font-variant-numeric:normal;font-variant-alternates:normal;font-variant-east-asian:normal;text-decoration-line:underline;vertical-align:baseline">https://water.noaa.gov</span></a><span style="font-size:10pt;font-weight:400;font-variant-numeric:normal;font-variant-alternates:normal;font-variant-east-asian:normal;vertical-align:baseline"> will be replaced when NWPS is implemented. To support this transition, AHPS will continue operating for 60 days after NWPS is operationally implemented. After this time, all users will be redirected to </span><a href="https://water.noaa.gov/" target="_blank" style="text-decoration-line:none"><span style="font-size:10pt;font-weight:400;font-variant-numeric:normal;font-variant-alternates:normal;font-variant-east-asian:normal;text-decoration-line:underline;vertical-align:baseline">https://water.noaa.gov</span></a><span style="font-size:10pt;font-weight:400;font-variant-numeric:normal;font-variant-alternates:normal;font-variant-east-asian:normal;vertical-align:baseline">.</span></p></li></ul><p dir="ltr" style="color:rgb(0,0,0);line-height:1.2;margin-top:10pt;margin-bottom:0pt"><span style="font-size:10pt;font-family:Arial,sans-serif;font-variant-numeric:normal;font-variant-alternates:normal;font-variant-east-asian:normal;vertical-align:baseline">Thank you for your close partnership with the NWS. We look forward to continuing to work with you as the NWS transforms into a more nimble, flexible, and mobile agency providing essential mission services to you and others.</span></p><p dir="ltr" style="color:rgb(0,0,0);line-height:1.2;margin-top:10pt;margin-bottom:0pt"><span style="font-size:10pt;font-family:Arial,sans-serif;font-variant-numeric:normal;font-variant-alternates:normal;font-variant-east-asian:normal;vertical-align:baseline">With appreciation,</span></p><p style="color:rgb(0,0,0);line-height:1.2;margin-top:10pt;margin-bottom:0pt"><font face="Arial, sans-serif"><span style="font-size:13.3333px">NWS Boston/Norton</span></font></p><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div><br></div><div><span style="color:rgb(0,0,0);font-size:small">If you have any questions or would like more information, please </span><span style="color:rgb(0,0,0);font-size:small">don't hesitate to contact us. You can reach us via:</span></div><div><span style="color:rgb(0,0,0)">email: </span><a href="mailto:box.operations@noaa.gov" target="_blank">box.operations@noaa.gov</a></div><div><span style="color:rgb(0,0,0)">phone: </span><font size="2">508.622.3280</font></div><div><a href="https://nwschatws.slack.com/" target="_blank">Slack/NWSChat 2.0</a> (for approved partners)</div><div><font size="2">social media: </font><a href="http://www.weather.gov/boston" style="color:rgb(17,85,204)" target="_blank">Website</a> | <a href="http://www.facebook.com/NWSBoston" style="color:rgb(17,85,204)" target="_blank">Facebook</a> | <a href="http://www.twitter.com/NWSBoston" style="color:rgb(17,85,204)" target="_blank">Twitter</a></div></div></div></div></div></div></div></div></div></div></div></div></div></div>