Drought Information Statement
Issued by NWS Denver/Boulder, CO

Current Version | Previous Version | Graphics & Text | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12
000
AXUS75 KBOU 230005
DGTBOU
COC001-005-013-014-019-031-035-039-047-049-057-
059-069-073-075-087-093-095-115-117-121-123-300000-

DROUGHT INFORMATION STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
505 PM MST THU DEC 22 2016

..DROUGHT PERSISTS EAST OF THE CONTINENTAL DIVIDE...

SYNOPSIS...

A SERIES OF WINTER STORMS HAS BROUGHT SIGNIFICANT SNOWFALL TO THE
MOUNTAINS IN DECEMBER. THIS CAUSED THE MOUNTAIN SNOWPACK TO CONTINUE
TO BUILD. HOWEVER...THE EASTERN COLORADO PLAINS HAVE NOT BENEFITTED
FROM THIS WEATHER PATTERN LIKE THE HIGH COUNTRY HAS.

LOCAL AREAS AFFECTED...

U.S. DROUGHT MONITOR ON DECEMBER 20TH...SEVERE DROUGHT /D2/
CONTINUED IN THE FORT COLLINS...LOVELAND...ESTES PARK...RUSTIC AND
THE HIGH FOREST AREAS TO THE NORTHWEST IN LARIMER COUNTY AND ALSO ON
THE EAST CENTRAL PLAINS IN LINCOLN COUNTY CENTERED AROUND LIMON.
MODERATE DROUGHT /D1/ CONTINUED ELSEWHERE EAST OF THE DIVIDE WITH
THE EXCEPTION OF ABNORMALLY DRY CONDITIONS /D0/ IN CENTRAL ADAMS AND
WELD COUNTIES EASTWARD THROUGH SOUTHWEST LOGAN AND NORTHERN
WASHINGTON COUNTIES ON THE NORTHEAST PLAINS.

HYDROLOGIC SUMMARY...

A MONTH AGO...THE SNOWPACK IN THE NORTH CENTRAL COLORADO ROCKIES WAS
ONLY ABOUT A THIRD OF THE NORMAL NOVEMBER 22ND SNOWPACK. BY DECEMBER
22ND THE MOUNTAIN SNOWPACK IMPROVED TO 117 PERCENT OF NORMAL IN THE
UPPER COLORADO RIVER BASIN...105 PERCENT OF NORMAL IN THE SOUTH
PLATTE BASIN AND 102 PERCENT OF NORMAL IN THE NORTH PLATTE BASIN.

COMBINED RESERVOIR STORAGE REMAINED IN GOOD SHAPE AT 105 AND 102
PERCENT OF AVERAGE...RESPECTIVELY IN THE UPPER COLORADO AND SOUTH
PLATTE BASINS AT THE END OF NOVEMBER.

STREAMFLOW REMAINS MOSTLY IN THE NORMAL RANGE FOR THIS TIME OF YEAR.

CLIMATE SUMMARY...

PRECIPITATION THE PAST TWO WEEKS WAS SLIGHTLY BELOW NORMAL AT MANY
LOCATIONS ON THE FAR EASTERN COLORADO PLAINS AND 0.25 TO 1.8 INCHES
ABOVE NORMAL ELSEWHERE. THE NORTH CENTRAL MOUNTAINS BENEFITTED THE
MOST. TEMPERATURES RANGED FROM 1 TO 3 DEGREES ABOVE NORMAL WEST OF
THE CONTINENTAL DIVIDE AND 6 TO 12 DEGREES BELOW NORMAL ON THE
EASTERN PLAINS.

BELOW ARE UNOFFICIAL PRECIPITATION TOTALS FROM DECEMBER 1ST THROUGH
21ST:
LOCATION              2016    NORMAL   DEPARTURE   % NORMAL
--------              ----   -------   ---------  ---------
NORTH CENTRAL MOUNTAINS
 DILLON               2.29     0.59       1.70       388
 ESTES PARK           1.05     0.42       0.63       250
 GEORGETOWN           1.73     0.61       1.12       284
 GRANT                0.77     0.44       0.33       175
 WALDEN               0.84     0.44       0.40       191
 WINTER PARK          3.03     1.56       1.47       194

NORTHERN FRONT RANGE URBAN CORRIDOR
 BOULDER              0.91     0.67       0.24       136
 DOWNTOWN DENVER      0.72     0.40       0.32       180
 FORT COLLINS         0.49     0.36       0.13       136
 GREELEY              0.59     0.38       0.21       155
 LOVELAND 2N          0.68     0.42       0.26       162
 NORTHGLENN           0.80     0.40       0.40       200
 RALSTON RESERVOIR    0.80     0.55       0.25       145
 WHEAT RIDGE          0.86     0.58       0.28       148

NORTHEAST AND EAST CENTRAL PLAINS
 AKRON                0.23     0.28      -0.05        82
 HOLYOKE              0.10     0.30      -0.20        33
 HUGO 1NW             0.21     0.20       0.01       105
 KARVAL               0.11     0.22      -0.11        50
 NEW RAYMER 21N       0.14     0.30      -0.16        47
 SEDGWICK 5S          0.04     0.30      -0.26        13
 SHAW 4ENE            0.19     0.31      -0.12        61
 WOODROW 6NNE         0.34     0.25       0.09       136

PRECIPITATION/TEMPERATURE OUTLOOKS...

THE ONE AND THREE MONTH OUTLOOKS HAVE EQUAL CHANCES OF ABOVE...NEAR
OR BELOW NORMAL PRECIPITATION AND TEMPERATURES.

&&

RELATED WEB SITES...

ADDITIONAL INFORMATION ON CURRENT DROUGHT CONDITIONS MAY BE FOUND
AT THE FOLLOWING WEB ADDRESSES /USE LOWER CASE LETTERS/:

LOCAL WEATHER...CLIMATE AND WATER INFORMATION
WWW.WEATHER.GOV/BOU

US DROUGHT MONITOR
DROUGHTMONITOR.UNL.EDU

COLORADO CLIMATE CENTER/NIDIS DROUGHT PRESENTATIONS
CLIMATE.COLOSTATE.EDU/DROUGHT_WEBINAR.PHP

NWS CLIMATE PREDICTION CENTER OUTLOOKS
WWW.CPC.NCEP.NOAA.GOV/PRODUCTS/PREDICTIONS/
WWW.CPC.NCEP.NOAA.GOV/PRODUCTS/EXPERT_ASSESSMENT/
SEASONAL_DROUGHT.PNG

US DEPARTMENT OF AGRICULTURE
HTTP://WWW.CO.NRCS.USDA.GOV/
HTTP://WWW.NASS.USDA.GOV/

CWCB WATER AVAILABILITY TASK FORCE PRESENTATIONS
CWCB.STATE.CO.US/PUBLIC-INFORMATION/FLOOD-WATER-AVAILABILITY-TASK-
FORCES/

ACKNOWLEDGMENTS...

THE DROUGHT MONITOR IS A MULTI-AGENCY EFFORT INVOLVING NOAA`S
NATIONAL WEATHER SERVICE...STATE AND REGIONAL CLIMATE CENTERS...
DEPARTMENT OF AGRICULTURE (USDA) AND THE NATIONAL DROUGHT MITIGATION
CENTER. INFORMATION FOR THIS STATEMENT HAS BEEN GATHERED FROM NWS
AND FAA OBSERVATION SITES...COOPERATIVE NETWORK STATIONS...NATURAL
RESOURCES CONSERVATION SERVICE SNOTEL NETWORK...COCORAHS NETWORK AS
WELL AS COLORADO DIVISION OF WATER RESOURCES... US GEOLOGICAL
SURVEY...BUREAU OF RECLAMATION AND US ARMY CORP OF ENGINEERS STREAM
AND RESERVOIR GAUGES.

QUESTIONS OR COMMENTS...

IF YOU HAVE ANY QUESTIONS OR COMMENTS ABOUT THIS DROUGHT INFORMATION
PLEASE CONTACT...

NATIONAL WEATHER SERVICE
325 BROADWAY
BOULDER CO 80305
303-494-4221

$$
TLH


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.