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National Weather Service River Forecast Center

Lower Mississippi RFC

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LMRFC Quick Briefing

Current River Conditions - Flood Category Map of Highest Forecast River Stage

The map above updates at :20 and :50 past the hour. Click on the map to obtain detailed river forecast information. LMRFC River Flood Summary - Updated 05/21/2013 02:50AM Central Daylight Time Number in Flood Number in Flood and Forecasted to Reach Flood Minor 15 Moderate 0 Major 0 Total 15 Minor 15 Moderate 0 Major 0 Total 15 Total Number of Forecast Points: 236 Percentage(%) In Flood: 6.4 Percentage(%) In Flood and Forecasted in Flood: 6.4

Current Hourly Precipitation Estimates Multi-Sensor Precipitation Estimates (MPE) Hourly Precipitation Estimates

Future Precipitation Quantitative Precipitation Forecast (QPF)

00Z QPF Images Issued at Mon May 20, 2013 at 7:22 PM In the table below are links to the latest QPF graphics for the 00Z 24 hour creation time. 12 hour QPF is utilized for river forecasts Latest 00Z 12 hour QPF starting May 21 at 00Z Latest 00Z 24 hour QPF starting May 21 at 00Z Latest 00Z 48 hour QPF starting May 21 at 00Z Latest 00Z 72 hour QPF starting May 21 at 00Z 1st 6 hour period from 00Z (May 21 00Z-06Z) 2nd 6 hour period from 00Z (May 21 06Z-12Z) 3rd 6 hour period from 00Z (May 21 12Z-18Z) 4th 6 hour period from 00Z (May 21 18Z-00Z)

Past Precipitation Conditions

Twenty-Four Hour Precipitation ending at 12Z Mean Areal Precip Data Daily Precipitation Estimates Mean Areal Precipitation Data for Monday, May 20, 2013 Archives - Sunday, May 19, 2013 - Saturday, May 18, 2013 - Friday, May 17, 2013 - Thursday, May 16, 2013 - Wednesday, May 15, 2013 - Tuesday, May 14, 2013 Climate Prediction Center's Day 3 - 7 Hazards Climate Prediction Center's Day 8 - 14 Hazards Day 3 - 7 Hazards Day 8 - 14 Hazards   National Weather Hazards National Weather Hazards     Flood Potential Map The LMRFC issues 72 hours of quantitative precipitation forecasts (QPF) throughout the year. For our routine river forecasts, only 12 hours of QPF is normally used. Under certain conditions and based on specific requests by our users, we will utilize 24 hours of QPF in them. A full 72 hours of QPF is used as input to our river models to produce local Significant River Flood Outlooks and National Significant River Flood Outlooks. Therefore, the daily Significant River Flood Outlook does not account for a full 5 days of QPF covering the LMRFC river forecast area.   5-Day QPF for the United States can be found at http://www.hpc.ncep.noaa.gov/qpf/day1-5.shtml.