Drought Information Statement
Issued by NWS St. Louis, MO

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Drought Information Statement
National Weather Service Saint Louis MO
316 PM CST Fri Mar 2 2018

...Major improvement in drought conditions across the area...

SYNOPSIS...

Widespread heavy rainfall amounts of 2-10" fell across the region
over the last 2 weeks. This rainfall was very beneficial, with
local rivers and streams currently exhibiting above normal
streamflows. In addition, area ponds have been mostly replenished.
Please see hydrological section for more details.

SUMMARY OF IMPACTS...

Previous impacts, mainly hydrological and agricultural, have
been alleviated due to the heavy rainfall over the past two
weeks. However, there are some remaining minor impacts across the
area including deeper wells that still have not recovered. Some
area ponds are still a bit below normal across portions of
northeast Missouri.

CLIMATE SUMMARY...

Widespread 2-10 inches of rainfall has fallen over the area over
the past two weeks. However, 6+ month precipitation deficits of
several inches remain across the area, especially across portions
of southeast Missouri. These long term precipitation deficits may
make the area more susceptible to deteriorating drought conditions
if abnormally dry weather were to occur this spring.


PRECIPITATION/TEMPERATURE OUTLOOK...

The outlook from the Climate Prediction Center (CPC) for the next
6-10 days favors above normal precipitation and below temperatures.

In the week 2 timeframe, the CPC favors near normal precipitation
and above normal temperatures across the mid-Mississippi Valley.

HYDROLOGIC SUMMARY AND OUTLOOK...

Streams across Missouri and Illinois continue showing signs of
abnormal dryness to extreme drought. In the St. Louis service
area, 7-day average flows along gaged streams throughout the
Meramec River basin indicate streamflow percentiles at or below 5
percent, corresponding to extreme hydrologic drought. The
percentiles improve to double digits across northeastern Missouri.
In Illinois, small tributaries flowing into the Kaskaskia River
also indicate single-digit percentiles. While there is improvement
into northern Illinois, most of central and southern Illinois
exhibit streamflows that correspond to severe and extreme
hydrologic drought.

Meanwhile, flows remain near but below normal along the major
rivers. The Missouri, Mississippi, and Illinois rivers all have
flows between the 30th and 40th percentiles of historical flows,
and this is considered normal for this time of year.

While drought impacts are typically limited during the winter, we
continue to hear about the culling of livestock due to the lack
of water and feed. Well water heights are becoming very low,
particularly in the Meramec River basin.

NEXT ISSUANCE DATE...

The next drought information statement will be issued as
conditions warrant.

&&

RELATED WEB SITES...

LOCAL WEATHER, CLIMATE, AND WATER INFORMATION:
http://www.weather.gov/saintlouis

MIDWEST CLIMATE CENTER DROUGHT INFORMATION PAGE:
http://mcc.sws.uiuc.edu/cliwatch/drought/drought.jsp

MISSOURI STATE CLIMATOLOGIST:
http://climate.missouri.edu
MISSOURI DNR DROUGHT PAGE:
http://www.dnr.mo.gov/env/wrc/droughtupdate.htm

ILLINOIS STATE CLIMATOLOGIST:
http://www.isws.illinois.edu/atmos/statecli
ILLINOIS WATER SURVEY DROUGHT PAGE:
http://www.isws.illinois.edu/hilites/drought/

U.S. DROUGHT MONITOR:
http://droughtmonitor.unl.edu/

U.S. DROUGHT PORTAL:
http://www.drought.gov

ADDITIONAL WATER INFORMATION:
NATIONAL WEATHER SERVICE ADVANCED HYDROLOGICAL PREDICTION
SERVICE (AHPS):  http://water.weather.gov
U.S. GEOLOGICAL SURVEY:  http://water.usgs.gov
ARMY CORPS OF ENGINEERS:  http://www.nwo.usace.army.mil/

CLIMATE PREDICTION CENTER:
http://www.cpc.ncep.noaa.gov/

ACKNOWLEDGMENTS...

The U.S. Drought Monitor is a weekly collaborative effort between
a number of state and federal agencies including the National
Weather Service, the U.S. Department of Agriculture, and the
National Drought Mitigation Center.

QUESTIONS OR COMMENTS...

If you have any questions or comments about this information,
please contact:

Mark Britt or
Jayson Gosselin
Climate Services Focal Points
--or--
Mark Fuchs
Senior Service Hydrologist

National Weather Service Saint Louis Missouri
636-441-8467
w-lsx.webmaster@noaa.gov

$$

Gosselin


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