Light to moderate snow will continue into Saturday over the Great Lakes, Central Appalachians, and Northeast. This weekend into next week, a series of atmospheric rivers will bring gusty winds, periods of heavy rain, and mountain snow to northern California and the Pacific Northwest. Colder temperatures are in store for the weekend from the Great Lakes to East Coast. Read More >
The National Weather Service (NWS) has responsibility for the issuance of river forecasts and flood warnings. The Norman Forecast Office has river flood forecast responsibility for over 50 select locations on streams covering an area in the western two-thirds of Oklahoma (excluding the Oklahoma Panhandle) and 8 counties in western North Texas.
Why does the NWS issue river forecasts?
NWS River Forecast Centers (RFCs) use complex hydrologic computer models to generate river forecasts. The RFCs transmit the forecast guidance to local forecast offices, and the forecast offices use the information to issue river flood warnings or statements. The RFCs which provide forecasts for the NWS Norman office are the Arkansas-Red River Forecast Center (ABRFC) in Tulsa, Oklahoma, and the West Gulf River Forecast Center (WGRFC) in Forth Worth, Texas.
Most of the forecast points in the NWS Norman have telemetered river gage equipment. The U.S. Geological Survey (USGS), the U.S. Army Corps of Engineers (USACE), the Oklahoma Water Resources Board, and other cooperating agencies provide funding for these stream-gaging networks. The U.S. Army Corps of Engineers - Tulsa District Water Control Center in Tulsa, Oklahoma provides links to real-time hydrographs and reservoir data. The USGS district offices in Oklahoma City, Oklahoma and for Texas from the USGS, Austin, Texas also provide real-time data for Oklahoma and Texas, respectively.
The USGS and USACE operate most of their stream gages on a cooperative basis with other Federal, state, and local agencies that fund individual gaging stations for agency-specific projects or regulatory needs. For more information, see the USGS links, "Stream Gaging and Flood Forecasting, a partnership of the U.S. Geological Survey and the National Weather Service" and "USGS Streamgaging Network."
| OWRB Reservoir Map | TWDB Reservoir Map | Arkansas River Basin Reservoir Hydrographs | Red River Basin Reservoir Hydrographs | Brazos River Basin Reservoir Hydrographs |
Reservoir conditions map is provided by the Oklahoma Water Resources Board.
Reservoir conditions map is provided by the Texas Water Development Board.
| Fort Supply Reservoir near Fort Supply, OK | ||
|---|---|---|
 USACE Hydrograph |
 NWS Hydrograph |
|
| Canton Reservoir near Canton, OK | ||
USGS Hydrograph |
 USACE Hydrograph |
NWS Hydrograph |
| Lake Arcadia near Arcadia, OK | ||
 USACE Hydrograph |
 NWS Hydrograph |
|
| Lake Hefner at Oklahoma City, OK | ||
USGS Hydrograph |
 NWS Hydrograph |
|
| Lake Overholser near Oklahoma City, OK | ||
USGS Hydrograph |
 NWS Hydrograph |
|
| Stanley Draper Lake near Oklahoma City, OK | ||
USGS Hydrograph |
 NWS Hydrograph |
|
| Lake Thunderbird near Norman, OK | ||
USGS Hydrograph |
 USACE Hydrograph |
 NWS Hydrograph |
| Wes Watkins Lake near McLoud, OK | ||
USGS Hydrograph |
 NWS Hydrograph |
|
| Shawnee Reservoir at Shawnee, OK | ||
USGS Hydrograph |
 NWS Hydrograph |
|
| Great Salt Plains Reservoir near Jet, OK | ||
 USACE Hydrograph |
 NWS Hydrograph |
|
| Kaw Lake near Ponca City, OK | ||
 USACE Hydrograph |
 NWS Hydrograph |
|
| Foss Reservoir near Foss, OK | ||
|---|---|---|
USGS Hydrograph |
 USACE Hydrograph |
 NWS Hydrograph |
| Fort Cobb Reservoir near Fort Cobb, OK | ||
USGS Hydrograph |
 USACE Hydrograph |
 NWS Hydrograph |
| Lake Altus at Lugert, OK | ||
USGS Hydrograph |
 USACE Hydrograph |
 NWS Hydrograph |
| Lake Ellsworth near Elgin, OK | ||
USGS Hydrograph |
 NWS Hydrograph |
|
| Lake Lawtonka near Lawton, OK | ||
USGS Hydrograph |
 NWS Hydrograph |
|
| Tom Steed Reservoir near Mountain Park, OK | ||
USBR Hydrograph |
 USACE Hydrograph |
 NWS Hydrograph |
| Truscott Brine Lake near Truscott, TX | ||
 NWS Hydrograph |
||
| Lake Kemp near Mabelle, TX | ||
USGS Hydrograph |
 USACE Hydrograph |
 NWS Hydrograph |
| Diversion Lake near Dundee, TX | ||
USGS Hydrograph |
 NWS Hydrograph |
|
| Lake Kickapoo near Archer City, TX | ||
USGS Hydrograph |
 NWS Hydrograph |
|
| Lake Arrowhead near Henrietta, TX | ||
USGS Hydrograph |
 NWS Hydrograph |
|
| Waurika Lake near Waurika, OK | ||
 USACE Hydrograph |
 NWS Hydrograph |
|
| Arbuckle Lake near Dougherty, OK | ||
USBR Hydrograph |
 USACE Hydrograph |
 NWS Hydrograph |
| Lake Humphreys near Duncan, OK | ||
USGS Hydrograph |
 NWS Hydrograph |
|
| Lake Fuqua near Duncan, OK | ||
USGS Hydrograph |
 NWS Hydrograph |
|
| Lake Texoma at Cumberland Cut near Cumberland, OK | ||
USGS Hydrograph |
||
| Lake Texoma near Denison, TX | ||
 USACE Hydrograph |
 NWS Hydrograph |
|
| Atoka Reservoir near Stringtown, OK | ||
USGS Hydrograph |
 NWS Hydrograph |
|
| McGee Creek Reservoir near Farris, OK | ||
USGS Hydrograph |
 USACE Hydrograph |
 NWS Hydrograph |
| Millers Creek Reservoir near Bomarton, TX | ||
|---|---|---|
USGS Hydrograph |
 NWS Hydrograph |
|
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Daily RFC Precipitation Summaries
Regional Temperature and Precipitation Table
NWS Norman Precipitation Products (Issued as needed)
|
| WPC Daily QPF Graphics | |
|---|---|
 WPC Day 1 QPF |
 WPC Day 2 QPF |
 WPC Day 3 QPF |
 WPC Day 4 QPF |
 WPC Day 5 QPF |
 WPC Day 6 QPF |
 WPC Day 7 QPF |
|
| WPC Multiday QPF Graphics | |
 WPC Day 1-2 QPF |
 WPC Day 1-3 QPF |
 WPC Day 1-5 QPF |
 WPC Day 1-7 QPF |
| WPC Daily Excessive Rainfall Graphics | |
 WPC Day 1 Excessive Rainfall Graphic |
 WPC Day 2 Excessive Rainfall Graphic |
 WPC Day 3 Excessive Rainfall Graphic |
|
 Period 1 (0-6 hours) |
 Period 2 (6-12 hours) |
 Period 3 (12-18 hours) |
 Period 4 (18-24 hours) |
 24-hour Total |
|
 Period 1 (0-6 hrs) |
 Period 2 (6-12 hrs) |
 Period 3 (12-18 hrs) |
 Period 4 (18-24 hrs) |
 Period 5 (24-30 hrs) |
 Period 6 (30-36 hrs) |
 Period 7 (36-42 hrs) |
 Period 8 (42-48 hrs) |
 Period 1 (0-6 hrs) |
 Period 2 (6-12 hrs) |
 Period 3 (12-18 hrs) |
 Period 4 (18-24 hrs) |
 Period 5 (24-30 hrs) |
 Period 6 (30-36 hrs) |
 Period 7 (36-42 hrs) |
 Period 8 (42-48 hrs) |
 CPC 6-10 Day Precipitation Outlook |
 CPC 8-14 Day Precipitation Outlook |
 CPC 8-14 Day Precipitation Hazards |
 CPC Week 3-4 Precipitation Outlook |
 CPC Monthly Precipitation Outlook |
 CPC Seasonal Precipitation Outlook |
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