Service Change Notice
National Weather Service Springfield MO
1030 AM CDT Mon Mar 28 2022
To: Subscribers:
- NOAA Weather Wire Service /NWWS/
- Emergency Managers Weather Information Network /EMWIN/
- NOAAPORT
- NWS Partners
- Other Users...and NWS Employees
From: Megan Terry
Service Hydrologist / Meteorologist
NWS Springfield MO
Subject: New Forecast Services For:
James River at Boaz, MO
Current River at Powder Mill Campground
Beginning at 7 AM on Monday, May 2, 2022, NOAAs National Weather Service /NWS/
Office in Springfield, MO will begin River Forecast Services for two location
in its hydrologic service area /HSA/:
The James River at Boaz, Missouri - NWS Location Identifier /NWSLI/ - JAMM7
– Christian County
The Current River at Powder Mill Campground – NWSLI - PWDM7
– Shannon County
The new services for these locations will assist recreational interests as well as
enhance river forecasts for locations downstream. They will also aid the NWS mission
of protecting lives and property. Both locations experienced major flooding in late
April 2017.
At 7 AM CDT on May 2nd, NWS Springfield will begin to issue hydrologic products as
necessary that may include specific river forecasts. The hydrologic products are
listed in the following table:
PRODUCT TYPE WMO HEADER PRODUCT IDENTIFIER
Flood Watch WGUS63 KSGF STLFFASGF
Flood Warning WGUS43 KSGF STLFLWSGF
Flood Statement WGUS83 KSGF STLFLSSGF
Hydrologic Statement FGUS83 KSGF STLRVSSGF
Hydrologic Outlook FGUS73 KSGF STLESFSGF
A list of NWS products are posted at: https://forecast.weather.gov/product_types.php?=NWS
The NWS defines Flood Stage as the river level at which adverse impacts to life and/or
property begin.
At Boaz, the Flood Stage will be 10 feet. The Moderate Flood Stage will be 18 feet
and Major Flood Stage will be 24 feet. Forecasts will be issued daily, and Flood
Warnings will be issued when water levels are expected to reach or exceed the Flood
Stage level of 10 feet.
At Powder Mill, the Flood Stage will be 8 feet. The Moderate Flood Stage will be 25
feet and the Major Flood Stage will be 40 feet. Forecasts will be issued either daily
or when flood conditions are approached. Flood Warnings will be issued when water
levels are expected to reach or exceed the Flood Stage level of 8 feet.
In addition to the text information detailed above, graphical depictions of river
levels and forecasts will also be available on our website, under the Rivers and
Lakes option on the main NWS Springfield web page at: www.weather.gov/springfield.
If you have any questions or comments on these new services, please contact:
Megan Terry
National Weather Service Forecast Office
5805 West State Highway EE
Springfield, MO 65802
Phone: 800-762-4363 Ext. 493
E-Mail: Megan.Terry@noaa.gov
This and other NWS Service Change Notices are available online at:
http:://www.weather.gov/om/notif.htm
