Author Archives: Jan Verkade

A short course on Hydrological Forecasting: interview with Marie-Amélie Boucher and Jan Verkade

Contributed by Maria-Helena Ramos (Irstea) and Shaun Harrigan (CEH) This year Hepex is joining the Young Hydrologic Society (YHS) to offer a short course on hydrological forecasting during the EGU General Assembly in Vienna. Shaun Harrigan (CEH), representative of the … Continue reading

Posted in announcements-events, early-career scientists, forecast techniques, interviews | 2 Comments

FcstVerChallenge: will you join the HEPEX team?

You may have read Florian’s recent post on the WMO’s “forecast verification challenge”. In short: the WMO’s World Weather Research Programme set a challenge to develop new user oriented verification scores, metrics, diagnostics or diagrams. Any entries have to be … Continue reading

Posted in activities, verification | Leave a comment

Because it’s Friday… comments invited!

Posted in decision making, forecast communication, forecast techniques, forecast users | 13 Comments

Should the forecaster modify an ensemble hydrological forecast? A case study.

Andrea is an operational forecaster at the US National Weather Service’s North Central River Forecast Centre. She writes about some very specific forecasting challenges that she and her colleagues are faced with on a daily basis. Introduction Devils Lake water … Continue reading

Posted in case-studies, ensemble techniques, floods, hydrologic models, operational systems | 3 Comments

HEPEX site outage

Returning visitors may have found the HEPEX site apparently “down” in the last few days. While direct links to posts have been properly working all along, the portal’s front page showed an error message. As it turned out, one of … Continue reading

Posted in Unclassified | Leave a comment

22 Years and Still Flooding

by Andrea Holz, a HEPEX 2015 Guest Columnist Andrea is an operational forecaster at the US National Weather Service’s North Central River Forecast Centre. She writes about some very specific forecasting challenges that she and her colleagues are faced with on … Continue reading

Posted in columnist, floods, forecast communication, forecast techniques | 2 Comments

Welcome to HEPEX 2015

Contributed by Andy Wood, Maria-Helena Ramos, Fredrik Wetterhall, Florian Pappenberger and Jan Verkade A new year starts for the HEPEX Portal. Last year, a list of New Year’s resolution was proposed and many of you (certainly!) followed our suggestions. 2014 … Continue reading

Posted in activities, announcements-events, meetings | Leave a comment

HEPEX 2014 achievements

Contributed by Andy Wood, Maria-Helena Ramos, Fredrik Wetterhall, Florian Pappenberger, Jan Verkade and Nathalie Voisin 2014 is (almost) over… Did you miss something? It all started with four people having something to say…: our 2014 HEPEX columnists did a great … Continue reading

Posted in activities, announcements-events | Leave a comment

Summary from H-SAF HEPEX workshops and looking forward

Contributed by Fredrik Wetterhall, Florian Pappenberger, Maria-Helena Ramos and Jan Verkade Workshops are definitely excellent opportunities to meet colleagues and discuss HEPEX topics. Here follows some recently finished and upcoming opportunities: The joint H-SAF and HEPEX workshop at ECMWF in Reading was … Continue reading

Posted in activities, announcements-events, meetings | Leave a comment

Final score of the 10th Anniversary HEPEX Workshop

Contributed by Maria-Helena Ramos, Fredrik Wetterhall, Andy Wood, JuttaThielen, Florian Pappenberger, Jan Verkade In these times of World Cup, you may have heard many times the key question: “So, who’s the winner?” At the end of the 10th Anniversary HEPEX … Continue reading

Posted in activities, meetings, science plan | Leave a comment