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Unidata Policy Committee National Weather Service Report. October 25, 2004 LeRoy Spayd Chief, Meteorological Services Division Office of Climate, Water, and Weather Services NOAA’s National Weather Service. Outline. Teamwork NWS Products and Service National Digital Forecast Database.
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October 25, 2004
Chief, Meteorological Services Division
Office of Climate, Water, and Weather Services
NOAA’s National Weather Service
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ResponseStormReady Success Story Van Wert, Ohio F4 Tornado - 11/10/02
Warnings & Alert Coordination
8 – 14 Days
Forecast Lead Time
6 – 10 Days
Life & Property
False Alarm Area
August 30, 2004
National Digital Forecast Database (NDFD)
Gridded Forecast Database
TODAY...RAIN LIKELY. SNOW LIKELY ABOVE 2500 FEET. SNOW ACCUMULATION BY LATE AFTERNOON 1 TO 2 INCHES ABOVE 2500 FEET. COLDER WITH HIGHS 35 TO 40. SOUTHEAST WIND 5 TO 10 MPH SHIFTING TO THE SOUTHWESTEARLY THIS AFTERNOON. CHANCE OF PRECIPITATION 70%.
Public Information Statement
(September 16, 2004)
On December 1, 2004, portions of the NDFD will become an official NWS product. Specifically, the NWS has determined that 3 of the initial 12 experimental elements will be declared official. These three official elements include:
This represents an initial operating capability IOC for NDFD. The NWS expects to continue to improve the reliability, accuracy, consistency, and timeliness of the grid elements after NDFD IOC. Until the NWS completes backup server upgrades on March 1, 2005, users may experience service delays on rare occasions.
The nine remaining elements from the original set will retain their experimental status while they are improved and evaluated. Users will be given 30 days notice when an element moves from experimental to official status. The NWS will announce by December 15, 2004, which additional elements will be transitionedto official NWS products on January 15, 2005.
Congruent day 1 forecast
Less congruent day 4 forecast
Same forecast issued 3 hours later
Dry in Davenport and Nashville
Humid in Davenport and Nashville
Coordination glitches during big events
Impressive with minor exception in Michigan