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Drought Information Statement
Issued by NWS Denver/Boulder, CO
Issued by NWS Denver/Boulder, CO
000 AXUS75 KBOU 172125 DGTBOU COC001-005-013-014-019-031-035-039-047-049-057-059-069-073-075-087- 093-095-115-117-121-123-050031- DROUGHT INFORMATION STATEMENT NATIONAL WEATHER SERVICE DENVER CO 324 PM MDT MON JUN 17 2013 ...DROUGHT PERSISTS ON THE EASTERN PLAINS AND WEST OF THE DIVIDE WITH ABNORMALLY DRY CONDITIONS ALONG THE NORTHERN COLORADO FRONT RANGE... SYNOPSIS... GOOD MOISTURE IN MAY GAVE WAY TO DRIER CONDITIONS IN EARLY JUNE. THERE WERE ISOLATED AREAS OF HEAVY RAINFALL ON THE EASTERN PLAINS DUE TO THUNDERSTORMS. HOWEVER...MOST LOCATIONS IN NORTH CENTRAL AND NORTHEAST COLORADO ONLY RECEIVED 5 TO 70 PERCENT OF THEIR AVERAGE PRECIPITATION THE FIRST HALF OF JUNE. LONG-TERM PRECIPITATION DEFICITS CONTINUED IN EAST CENTRAL COLORADO. EXTREME /D3/ TO EXCEPTIONAL /D4/ DROUGHT HAS ENDURED SINCE JULY 2012 IN SOUTHERN LINCOLN AND SOUTHEAST ELBERT COUNTIES ON THE U.S. DROUGHT MONITOR. EXTREME DROUGHT /D3/ WAS OBSERVED ALONG THE COLORADO-NEBRASKA BORDER IN THE NORTHEAST CORNER OF COLORADO. SEVERE DROUGHT /D2/ LINGERED ON THE NORTHEAST PLAINS EAST OF A LINE FROM NORTHEAST WELD COUNTY TO EASTERN ELBERT COUNTY. MODERATE DROUGHT /D1/ CONTINUED IN GRAND AND SUMMIT COUNTIES WEST OF THE CONTINENTAL DIVIDE...NORTH AND SOUTH PARK...THE PALMER DIVIDE AND NORTHERN PLAINS JUST EAST OF THE URBAN CORRIDOR. ABNORMALLY DRY CONDITIONS /D0/ PERSISTED IN THE NORTHERN FRONT RANGE FOOTHILLS...URBAN CORRIDOR AND MOUNTAINS EAST OF THE DIVIDE. SUMMARY OF IMPACTS... FROM THE USDA COLORADO CROP REPORT RELEASED JUNE 10TH...WINTER WHEAT CONDITIONS GENERALLY HELD STEADY WITH THE MAJORITY RATED VERY POOR TO FAIR. PASTURE AND RANGE CONDITIONS ENDED THE WEEK AT 58 PERCENT VERY POOR TO POOR...UP FROM 54 PERCENT REPORTED THE PREVIOUS WEEK. THIS COMPARED TO THE FIVE-YEAR AVERAGE OF 33 PERCENT VERY POOR TO POOR. DESPITE THIS...STORED FEED SUPPLIES WERE RATED AVERAGE FOR THIS TIME OF YEAR. HYDROLOGIC SUMMARY AND OUTLOOK... COOL WEATHER IN APRIL AND EARLY MAY HELPED THE WATER SUPPLY SITUATION BY TEMPORARILY DECREASING THE DEMAND FOR WATER. WITH ABOVE AVERAGE TEMPERATURES IN JUNE THE SNOWMELT RUNOFF INCREASED CONSIDERABLY. SNOW AT MOST NRCS SNOTEL SITES HAS NOW MELTED OUT. ON JUNE 17TH THE MAJORITY OF U.S. GEOLOGICAL SURVEY STREAM GAGES ACROSS NORTH CENTRAL COLORADO HAD NEAR NORMAL FLOWS. FLOWS AT AROUND ONE IN FOUR STREAM GAGES REMAINED BELOW NORMAL. COMBINED RESERVOIR STORAGE IN THE UPPER COLORADO RIVER BASIN CLIMBED SIGNIFICANTLY FROM ONLY 67 PERCENT OF AVERAGE AT THE END OF APRIL TO 83 PERCENT OF AVERAGE AT THE END OF MAY. THE SOUTH PLATTE BASIN RESERVOIR STORAGE ALSO IMPROVED TO OVER 90 PERCENT OF AVERAGE ON MAY 31ST. THE U.S. SEASONAL DROUGHT OUTLOOK RELEASED JUNE 6TH DEPICTS SOME POSSIBLE IMPROVEMENT TO THE DROUGHT IN NORTH CENTRAL AND NORTHEAST COLORADO WITH DROUGHT PERSISTING OR INTENSIFYING ELSEWHERE IN COLORADO. CLIMATE SUMMARY AND OUTLOOK... TEMPERATURES THE PAST 30 DAYS HAVE GENERALLY BEEN 0 TO 5 DEGREES ABOVE AVERAGE. UNOFFICIAL MAY PRECIPITATION TOTALS AT SELECTED LOCATIONS ARE LISTED BELOW: LOCATION 2013 AVERAGE DEPARTURE % AVERAGE -------- ---- ------- --------- --------- NORTH CENTRAL MOUNTAINS DILLON 2.67 1.32 1.35 202 ESTES PARK 3.13 2.40 0.73 130 GEORGETOWN 3.04 2.04 1.00 149 GRAND LAKE 1NW 2.17 1.78 0.39 122 GRANT 2.32 1.52 0.80 153 LAKE GEORGE 8SW 1.70 1.35 0.35 126 WALDEN 1.16 1.43 -0.27 81 WINTER PARK 2.89 2.64 0.25 109 NORTHERN FRONT RANGE URBAN CORRIDOR BOULDER 2.66 2.80 -0.14 95 DENVER DOWNTOWN 1SW 1.73 2.50 -0.77 69 FORT COLLINS 2.83 2.43 0.40 116 LAKEWOOD 2.31 2.45 -0.14 94 LOVELAND 3.23 2.39 0.84 135 NORTHGLENN 2.24 2.21 0.03 101 PARKER 1.59 2.48 -0.89 64 WHEAT RIDGE 2.13 2.56 -0.43 83 NORTHEAST AND EAST CENTRAL PLAINS AKRON 4E 1.56 2.67 -1.11 58 BYERS 5ENE 1.56 2.43 -0.87 64 FORT MORGAN 0.77 2.21 -1.44 35 HOLYOKE 1.77 3.00 -1.23 59 KARVAL 1.62 2.13 -0.51 76 NEW RAYMER 21N 2.61 2.67 -0.06 98 SEDGWICK 5S 2.04 2.90 -0.86 70 WOODROW 6NNE 0.52 2.43 -1.91 21 THREE MONTH UNOFFICIAL PRECIPITATION TOTALS FROM MARCH THROUGH MAY ARE SHOWN IN THE TABLE BELOW: LOCATION 2013 AVERAGE DEPARTURE % AVERAGE -------- ---- ------- --------- --------- NORTH CENTRAL MOUNTAINS DILLON 7.19 3.61 3.58 199 ESTES PARK 7.73 6.36 1.37 122 GEORGETOWN 7.34 5.80 1.54 127 GRAND LAKE 1NW 5.67 4.75 0.92 119 GRANT 4.67 4.17 0.50 112 LAKE GEORGE 8SW 2.26 3.07 -0.81 74 WALDEN 2.67 3.39 -0.72 79 WINTER PARK 8.01 8.38 -0.37 96 NORTHERN FRONT RANGE URBAN CORRIDOR BOULDER 8.52 7.86 0.66 108 DENVER DOWNTOWN 1SW 4.55 6.06 -1.51 75 FORT COLLINS 6.62 6.08 0.54 109 LAKEWOOD 6.04 6.20 -0.16 97 LOVELAND 7.71 6.13 1.58 126 NORTHGLENN 5.52 5.25 0.27 105 PARKER 4.14 6.29 -2.15 66 WHEAT RIDGE 5.51 6.64 -1.13 83 NORTHEAST AND EAST CENTRAL PLAINS AKRON 4E 4.96 5.01 -0.05 99 BYERS 5ENE 4.32 5.28 -0.96 82 FORT MORGAN 2.75 4.22 -1.47 65 HOLYOKE 4.40 5.96 -1.54 74 KARVAL 2.23 4.23 -2.00 53 NEW RAYMER 21N 5.42 5.43 -0.01 100 SEDGWICK 5S 4.19 5.96 -1.77 70 WOODROW 6NNE 3.84 4.55 -0.71 84 SIX MONTH UNOFFICIAL PRECIPITATION TOTALS FROM DECEMBER 2012 THROUGH MAY 2013 ARE LISTED BELOW: LOCATION PAST 6 MONTHS AVERAGE DEPARTURE % AVERAGE -------- ---- ------- --------- --------- NORTH CENTRAL MOUNTAINS DILLON 9.38 6.21 3.17 151 ESTES PARK 9.05 8.43 0.62 107 GEORGETOWN 8.91 8.24 0.67 108 GRAND LAKE 1NW 8.64 9.39 -0.75 92 GRANT 6.26 5.95 0.31 105 LAKE GEORGE 8SW 3.16 4.05 -0.89 78 WALDEN 4.18 5.22 -1.04 80 WINTER PARK 12.76 14.88 -2.12 86 NORTHERN FRONT RANGE URBAN CORRIDOR BOULDER 10.43 10.38 0.05 100 DENVER DOWNTOWN 1SW 5.81 7.63 -1.82 76 FORT COLLINS 7.68 7.38 0.30 104 LAKEWOOD 8.58 7.87 0.71 109 LOVELAND 9.16 7.77 1.39 118 NORTHGLENN 6.93 6.55 0.38 106 PARKER 6.03 8.14 -2.11 74 WHEAT RIDGE 6.87 8.81 -1.94 78 NORTHEAST AND EAST CENTRAL PLAINS AKRON 4E 5.87 6.19 -0.32 95 BYERS 5ENE 5.78 6.55 -0.77 88 FORT MORGAN 3.31 4.94 -1.63 67 HOLYOKE 5.78 7.29 -1.51 79 KARVAL 2.56 5.14 -2.58 50 NEW RAYMER 21N 6.73 6.48 0.25 104 SEDGWICK 5S 5.97 7.13 -1.34 82 WOODROW 6NNE 4.90 5.66 -0.76 87 THE 8-14 DAY OUTLOOK THROUGH JULY 1ST CALLS FOR ABOVE AVERAGE TEMPERATURES AND NEAR AVERAGE PRECIPITATION. NEXT ISSUANCE DATE... THIS PRODUCT WILL BE UPDATED BY JULY 12TH...OR SOONER IF SIGNIFICANT CHANGES OCCUR. && RELATED WEB SITES... ADDITIONAL INFORMATION ON CURRENT DROUGHT CONDITIONS MAY BE FOUND AT THE FOLLOWING WEB ADDRESSES (USE LOWER CASE LETTERS): U.S. DROUGHT MONITOR DROUGHTMONITOR.UNL.EDU/ LOCAL WEATHER...CLIMATE AND WATER INFORMATION WWW.WEATHER.GOV/BOU COLORADO CLIMATE CENTER/NIDIS DROUGHT PRESENTATIONS HTTP://CCC.ATMOS.COLOSTATE.EDU/DROUGHT_WEBINAR.PHP NWS CLIMATE PREDICTION CENTER OUTLOOKS WWW.CPC.NCEP.NOAA.GOV WILDLAND FIRE ASSESSMENT SYSTEM WWW.WFAS.NET/ NDMC DROUGHT IMPACT REPORTER DROUGHTREPORTER.UNL.EDU U.S. DEPARTMENT OF AGRICULTURE WWW.NASS.USDA.GOV/ WWW.CO.NRCS.USDA.GOV/SNOW/INDEX.HTML USGS COLORADO DROUGHTWATCH WATERWATCH CO.WATER.USGS.GOV/DROUGHT/WATERWATCH.USGS.GOV COLORADO DIVISION OF WATER RESOURCES SOUTH PLATTE AND SWSI REPORTS WWW.DWR.STATE.CO.US/DWRDOCS/PAGES/SPLATTESUMMARY.ASPX WWW.STATE.CO.US/DWRDOCS/REPORTS/PAGES/SWSIREPORT.ASPX ACKNOWLEDGEMENTS... THE U.S. DROUGHT MONITOR IS A MULTI-AGENCY EFFORT INVOLVING THE NATIONAL WEATHER SERVICE...STATE AND REGIONAL CLIMATOLOGISTS...U.S. DEPARTMENT OF AGRICULTURE...NATIONAL CLIMATIC DATA CENTER AND THE NATIONAL DROUGHT MITIGATION CENTER. DATA FOR THIS STATEMENT HAS BEEN GATHERED FROM NWS AND FAA OBSERVATION SITES...COOPERATIVE NETWORK STATIONS...NATURAL RESOURCES CONSERVATION SERVICE SNOTEL NETWORK...COCORAHS NETWORK...COLORADO DIVISION OF WATER RESOURCES AND U.S. GEOLOGICAL SURVEY STREAM GAGES. QUESTIONS OR COMMENTS... IF YOU HAVE ANY QUESTIONS OR COMMENTS ABOUT THIS DROUGHT INFORMATION STATEMENT...PLEASE CONTACT... NATIONAL WEATHER SERVICE 325 BROADWAY BOULDER CO 80305 $$ TH
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