116  
NOUS45 KBOU 300045  
PNSBOU  
COZ030>051-302300-  
 
PUBLIC INFORMATION STATEMENT  
NATIONAL WEATHER SERVICE DENVER/BOULDER CO  
645 PM MDT SAT AUG 29 2026  
   
..THIS WEEK IN METRO DENVER WEATHER HISTORY  
 
19-30 IN 1875...GRASSHOPPERS APPEARED IN GREAT NUMBERS AT 10:00 AM  
ON THE 19TH AND CONTINUED THROUGH THE 30TH. THOUSANDS  
LANDED ON THE GROUND. THE STREETS WERE LITERALLY COVERED  
WITH THEM. SWARMS OF GRASSHOPPERS WERE SEEN ON EACH DAY.  
ALL GARDENS IN THE CITY WERE DEVASTATED...AND IN THE  
COUNTRYSIDE THE GRASSHOPPERS WERE VERY DESTRUCTIVE TO RIPENED  
GRAIN. ON THE 30TH THE GRASSHOPPERS WERE SO NUMEROUS AS TO  
ALMOST DARKEN THE SUN.  
30 IN 1981...60 MPH WINDS WERE REPORTED IN BOULDER.  
IN 2004...A SEVERE THUNDERSTORM PRODUCED HAIL AS LARGE AS  
1 INCH IN DIAMETER IN SOUTH AURORA NEAR CHERRY CREEK.  
IN 2016...AN INTENSE THUNDERSTORM PRODUCED VERY HEAVY RAIN  
AND HAIL IN WESTMINSTER...WHERE RADAR ESTIMATED UP TO 3.6  
INCHES OF RAINFALL. SEVERAL VEHICLES WERE STRANDED IN 2 TO  
3 FEET OF MOVING WATER AT THE INTERSECTION OF 72ND AVE. AND  
PECOS ST. STREET FLOODING WAS ALSO REPORTED ON U.S. 36 AT  
PECOS ST.  
31 IN 1951...HAIL AS LARGE AS 1 3/4 INCHES IN DIAMETER CAUSED  
AN ESTIMATED 300 THOUSAND DOLLARS DAMAGE IN METRO DENVER.  
HAIL AS LARGE AS 1 1/2 INCHES IN DIAMETER WAS MEASURED  
AT STAPLETON AIRPORT.  
IN 1978...STRONG THUNDERSTORM WINDS TORE THE ROOF OFF AN  
APARTMENT BUILDING IN AURORA...DOWNED TREES...AND DAMAGED  
WINDOWS IN DENVER. A MICROBURST WIND GUST TO 58 MPH WAS  
RECORDED AT STAPLETON INTERNATIONAL AIRPORT.  
IN 1985...A THUNDERSTORM WIND GUST TO 60 MPH WAS CLOCKED AT  
BUCKLEY FIELD IN AURORA.  
IN 1997...HAIL TO 1 1/4 INCHES IN DIAMETER WAS MEASURED IN  
AURORA.  
IN 2006...A FEMALE POSTAL WORKER WAS STRUCK AND INJURED BY  
LIGHTNING WHILE DELIVERING MAIL IN WESTMINSTER.  
IN 2008...LIGHTNING STRUCK A HOME IN BRIGHTON...DAMAGING THE  
ROOF AND A BEDROOM. THE DAMAGED TOTALED 20 THOUSAND  
DOLLARS.  
IN 2020...A WORSENING DROUGHT THAT STARTED IN THE SPRING  
OF 2020...CONTINUED THROUGH AUGUST. THE MONTH OF AUGUST  
TIED WITH 2011 FOR THE WARMEST AUGUST ON RECORD. IT  
ALSO OCCURRED IN THE MIDDLE OF THE SECOND WARMEST  
SUMMER ON RECORD. THE COMBINATION OF HOT AND  
DRY CONDITIONS...IN ADDITION TO CRITICALLY DRY FUELS  
FROM YEARS OF BEETLE KILL...RESULTED MASSIVE WILDFIRES.  
THE CAMERON PEAK FIRE...WHICH BECAME THE LARGEST  
WILDFIRE IN THE STATE'S HISTORY STARTED ON AUGUST  
13TH AND CONTINUED TO BURN INTO OCTOBER. SMOKE FROM  
THIS WILDFIRE IN ADDITION TO SEVERAL OTHER LARGE  
WILDFIRES IN COLORADO AND THE WEST RESULTED IN  
MULTIPLE DAYS OF EXTREMELY POOR AIR QUALITY. IN  
ADDITION...THE AIR QUALITY IN DENVER AND THE ENTIRE  
FRONT RANGE HAD DETERIORATED SEVERELY DUE TO THE  
VERY WARM TEMPERATURES AND HIGH OZONE CONTENT...  
WHICH HAD SPIKED SIGNIFICANTLY. IN AUGUST...26  
DAYS IN THE MONTH EQUALED OR EXCEEDED 90 DEGREES.  
1 IN 1951...LARGE HAIL POUNDED BOULDER...CAUSING THOUSANDS OF  
DOLLARS IN DAMAGE TO ROOFS AND AUTOMOBILES. HEAVY  
THUNDERSTORM RAINFALL FLOODED BASEMENTS AND PRODUCED  
WIDESPREAD STREET FLOODING.  
IN 1966...SEVERE THUNDERSTORMS CAUSED LOCAL FLOODING IN AREAS  
FROM DENVER TO THE NORTH AND EAST. THERE WAS SCATTERED  
DAMAGE FROM HAIL AND LIGHTNING. STREETS WERE FLOODED IN  
BOULDER...AND STREETS AND BASEMENTS WERE FLOODED IN SEVERAL  
AREAS OF METRO DENVER. THE PUBLIC REPORTED 1 INCH  
DIAMETER HAIL IN AURORA AND NEAR CHERRY CREEK RESERVOIR.  
THUNDERSTORM RAINFALL TOTALED ONLY 0.39 INCH AT STAPLETON  
INTERNATIONAL AIRPORT.  
IN 1985...SEVERE THUNDERSTORMS DUMPED HEAVY RAIN AND HAIL AT  
MANY LOCATIONS ALONG THE FRONT RANGE FROM DENVER SOUTH.  
THE SOUTHERN AND EASTERN SUBURBS OF METRO DENVER WERE  
ESPECIALLY HARD HIT. RAINFALL FROM 1 1/2 TO 3 INCHES  
CAUSED EXTENSIVE STREET FLOODING IN AURORA WHERE TWO  
CREEKS ROSE OUT OF THEIR BANKS. TWO HOMES IN THE CITY  
SUFFERED MINOR LIGHTNING DAMAGE. ALMOST 4 INCHES OF RAIN  
FELL IN THE PARKER AREA. HAIL UP TO PING-PONG BALL SIZE  
PILED UP TO A FOOT DEEP AND CLOSED A ROAD IN EVERGREEN.  
HAIL AS LARGE AS 1 3/4 INCHES IN DIAMETER WAS REPORTED  
8 MILES NORTHEAST OF DECKERS. WIND GUSTS TO 65 MPH WERE  
ESTIMATED IN SOUTHEAST AURORA.  
IN 1990...MARBLE SIZE HAIL PILED UP TO 2 INCHES DEEP IN THE  
FOOTHILLS COMMUNITY OF KITTREDGE...18 MILES SOUTHWEST OF  
DENVER. AS MUCH AS HALF AN INCH OF RAIN FELL IN JUST 15  
MINUTES AND CAUSED MINOR ROAD AND SMALL STREAM FLOODING.  
A THUNDERSTORM DROPPED PEA TO MARBLE SIZE HAIL AND BRIEF  
HEAVY RAIN NEAR WARD ROAD AND 64TH AVENUE IN ARVADA.  
MINOR STREET AND SMALL STREAM FLOODING WAS REPORTED IN  
THE AREA.  
IN 1995...A STRONG THUNDERSTORM MICROBURST WITH ONLY A FEW  
DROPS OF RAIN PRODUCED A RECORDED WIND GUST TO 85 MPH AT  
THE SITE OF THE FORMER STAPLETON INTERNATIONAL AIRPORT.  
THE WIND GUST OCCURRED AT 8:30 PM MDT. THE ALL-TIME  
HIGHEST RECORDED TEMPERATURE IN SEPTEMBER...97 DEGREES...  
OCCURRED. THE SAME TEMPERATURE ALSO OCCURRED ON  
SEPTEMBER 5...1899...SEPTEMBER 4...1960...AND SEPTEMBER 4...  
1995.  
IN 2019...THE HIGH TEMPERATURE IN DENVER REACHED 98 DEGREES...  
WHICH NOT ONLY BROKE THE RECORD FOR THE DATE...BUT ALSO  
SET A NEW MONTHLY RECORD FOR THE MONTH OF SEPTEMBER.  
1-5 IN 1995...RECORD BREAKING HEAT OCCURRED ON THE FIRST 5 DAYS  
OF THE MONTH WHEN THE TEMPERATURE CLIMBED INTO THE 90'S  
ON EACH DAY. RECORD HIGH TEMPERATURES OF 97 DEGREES ON  
BOTH THE 1ST AND 4TH EQUALED THE ALL-TIME RECORD MAXIMUM  
FOR THE MONTH. HIGH TEMPERATURE OF 95 DEGREES ON THE 3RD  
WAS A RECORD FOR THE DATE. HIGH TEMPERATURES OF 94 DEGREES  
ON BOTH THE 2ND AND THE 5TH WERE NOT RECORDS. THE LOW  
TEMPERATURE OF 64 DEGREES ON THE 4TH EQUALED THE RECORD  
HIGH MINIMUM FOR THE DATE.  
1-7 IN 1978...THE TEMPERATURE REACHED 90 DEGREES OR MORE ON SEVEN  
CONSECUTIVE DAYS WITH THE HIGHEST TEMPERATURE...94 DEGREES...  
RECORDED ON BOTH THE 4TH AND 6TH.  
1-30 IN 2020...A WORSENING DROUGHT THAT STARTED IN THE SPRING AND  
CONTINUED THROUGH SEPTEMBER. OUTSIDE OF AN EARLY SEASON  
SNOW ON THE 8TH...THE MONTH OF SEPTEMBER WAS ANOTHER  
UNSEASONABLY WARM AND DRY PERIOD. THE COMBINATION  
OF HOT...MOSTLY DRY CONDITIONS...AND CRITICALLY DRY FUELS...  
RESULTED IN A CONTINUATION AND RAPID EXPANSION OF SEVERAL  
MASSIVE WILDFIRES. THE CAMERON PEAK FIRE...WHICH BECAME THE  
LARGEST IN THE STATE'S HISTORY STARTED ON AUGUST 13TH...AND  
CONTINUED THROUGH SEPTEMBER. AS A RESULT...VERY POOR AIR  
QUALITY CONTINUED TO IMPACT DENVER AND THE ENTIRE FRONT  
RANGE. DENVER RECORDED THE MOST DAYS EVER WITH A HIGH  
TEMPERATURE OF 90 DEGREES OR BETTER; 75 DAYS. THE LAST  
OF WHICH WAS 91 DEGREES ON THE 24TH. THE PREVIOUS  
RECORD WAS 73 DAYS SET IN 2012.  
2 IN 1938...HEAVY CLOUDBURSTS IN THE FOOTHILLS NEAR THE TOP OF  
GENESEE MOUNTAIN CAUSED FLASH FLOODING ON BEAR CREEK AT  
MORRISON. NEARLY 8 INCHES OF RAIN FELL JUST NORTH  
OF MORRISON IN 6 HOURS AND DROWNED 6 PEOPLE IN A CAR  
BETWEEN MORRISON AND KITTREDGE. DAMAGE WAS ESTIMATED AT  
NEARLY A HALF MILLION DOLLARS. FLASH FLOODING ALSO  
OCCURRED ON SOUTH BOULDER CREEK IN ELDORADO SPRINGS.  
RAINFALL TOTALED 4.42 INCHES IN ELDORADO SPRINGS...AND  
RAINFALL WAS ESTIMATED TO MORE THAN 6 INCHES IN THE  
FOOTHILLS WEST OF THE TOWN. MANY BUILDINGS AND RESIDENCES  
WERE DAMAGED IN ELDORADO SPRINGS...AND BRIDGES WERE SWEPT  
AWAY. THE HIGH WATERS FORCED RESIDENTS FROM THEIR HOMES  
AS FAR DOWNSTREAM AS ERIE. THIS WAS THE FLOOD OF RECORD  
ON SOUTH BOULDER CREEK.  
IN 1973...HAIL TO 3/4 INCH DIAMETER WAS REPORTED IN BOULDER.  
IN 1987...LIGHTNING STRUCK TWO MEN WHO WERE STANDING UNDER A  
TREE IN DOWNTOWN DENVER. BOTH WERE SERIOUSLY INJURED AND  
HOSPITALIZED.  
IN 1996...LIGHTNING SPARKED A BRUSH FIRE IN THE SOUTH BUFFER  
ZONE OF THE ROCKY FLATS ENVIRONMENTAL TEST FACILITY. NO  
STRUCTURES WERE DAMAGED...BUT THE FIRE BURNED ABOUT 100  
ACRES OF GRASSLAND BEFORE BEING CONTAINED.  
IN 2019...THE RECORD HIGH TEMPERATURE OF 100 DEGREES WAS SET  
IN DENVER...SHATTERING THE PREVIOUS DAILY RECORD OF 95  
ESTABLISHED IN 1983. NOT ONLY WAS THE DAILY RECORD SET...  
IT ALSO SET THE ALL TIME MONTHLY RECORD FOR SEPTEMBER.  
THE PREVIOUS RECORD FOR THE MONTH WAS 98 DEGREES...WHICH  
WAS SET THE PREVIOUS DAY. IN ADDITION...IT WAS THE LATEST  
100+ DEGREE DAY EVER REACHED DURING THE CALENDAR YEAR IN  
DENVER'S CLIMATE RECORD...BREAKING THE PREVIOUS MARK BY 17  
DAYS. THE PREVIOUS RECORD OCCURRED ON AUGUST 16TH...2002.  
LASTLY...IT WAS THE HOTTEST LABOR DAY ON RECORD.  
2-3 IN 1892...THERE WAS A TRACE OF RAINFALL EACH DAY. THIS...  
TOGETHER WITH A TRACE OF RAIN ON BOTH THE 7TH AND 8TH...WAS  
THE ONLY RAINFALL OF THE MONTH...MAKING THE MONTH THE DRIEST  
ON RECORD. THE MONTHLY RECORD WAS EQUALED IN 1944.  
3 IN 1901...A THUNDERSTORM PRODUCED RAIN...HAIL OF UNKNOWN SIZE...  
AND SOUTH WINDS SUSTAINED TO 40 MPH WITH GUSTS TO 43 MPH.  
IN 1961...THE LABOR DAY WEEKEND SNOW STORM IS THE EARLIEST  
DATE OF THE FIRST SNOW...TRACE AND MEASURABLE...OF THE SEASON.  
THE HEAVY WET SNOW BROKE MANY LIMBS FROM TREES THAT WERE  
STILL IN FULL FOLIAGE. THE STORM PRODUCED 4.2 INCHES OF  
SNOWFALL AT STAPLETON AIRPORT WITH NEARLY A FOOT OF SNOW  
IN WESTERN SUBURBS AND IN THE FOOTHILLS. MINIMUM  
TEMPERATURE OF 33 DEGREES WAS A RECORD FOR THE DATE AND THE  
COLDEST EVER RECORDED SO EARLY IN THE SEASON.  
IN 1999...SEVERE THUNDERSTORMS DUMPED LARGE HAIL ACROSS METRO  
DENVER. HAIL AS LARGE AS 1 INCH IN DIAMETER WAS MEASURED  
NEAR CHERRY CREEK IN AURORA AND NEAR BENNETT. HAIL TO 3/4  
INCH IN DIAMETER FELL IN THE CITY OF DENVER.  
IN 2002...A THUNDERSTORM PRODUCED A WIND GUST TO 51 MPH AT  
DENVER INTERNATIONAL AIRPORT.  
IN 2003...VERY HEAVY THUNDERSTORM RAIN WASHED OUT PARTS OF  
THE VIRGINIA CANYON ROAD ABOVE IDAHO SPRINGS. UP TO  
4 FEET OF MUD REPORTEDLY WASHED DOWN THE ROAD DURING THE  
STORM. SEVERAL VEHICLES WERE TRAPPED ON THE ROAD. IN  
IDAHO SPRINGS...SEVERAL STREETS...INCLUDING THE MAIN STREET...  
WERE ALSO BURIED IN MUD AND GRAVEL. SOME BUILDINGS IN  
TOWN EXPERIENCED MINOR FLOODING...INCLUDING THE BASEMENT  
OF THE TOWN LIBRARY AND THE POLICE STATION.  
IN 2021...SEVERE THUNDERSTORMS PRODUCED HAIL UP 1 INCH IN  
DIAMETER AND WIND GUSTS UP TO 65 MPH ACROSS PARTS OF  
ARAPAHOE...DOUGLAS AND JEFFERSON COUNTIES. AT DENVER  
INTERNATIONAL AIPORT...A PEAK WIND GUST TO 34 MPH WAS  
MEASURED FROM THE NORTHWEST...ALONG WITH 0.05 INCH OF  
RAINFALL.  
3-6 IN 1909...RAINFALL FOR THE 4 DAYS ACCUMULATED TO 3.97 INCHES  
IN BOULDER...WHILE IN DENVER RAINFALL TOTALED 2.45 INCHES  
ON THE 4TH...5TH...AND 6TH.  
4 IN 1909...APPARENT POST-FRONTAL HEAVY RAINFALL TOTALED 1.94  
INCHES IN DOWNTOWN DENVER. NORTH WINDS WERE SUSTAINED  
TO 19 MPH.  
IN 1944...A TRACE OF RAIN FELL. THIS TOGETHER WITH A TRACE  
OF RAIN ON THE 9TH...10TH...AND 30TH WAS THE ONLY  
PRECIPITATION FOR THE MONTH. THE TOTAL OF A TRACE OF  
PRECIPITATION FOR THE MONTH EQUALED THE DRIEST SEPTEMBER  
ON RECORD FIRST SET IN 1892.  
IN 1960...THE HIGHEST RECORDED TEMPERATURE IN SEPTEMBER...97  
DEGREES...OCCURRED. THE SAME TEMPERATURE ALSO OCCURRED ON  
SEPTEMBER 5...1899...SEPTEMBER 1...1995...AND SEPTEMBER 4...  
1995.  
IN 1989...A STRONG THUNDERSTORM WIND GUST FLIPPED A PLANE  
TAXIING ON A PRIVATE RUNWAY IN ADAMS COUNTY EAST OF DENVER.  
TWO PEOPLE WERE SLIGHTLY INJURED AND THE PLANE WAS HEAVILY  
DAMAGED.  
IN 1992...STRONG WINDS DEVELOPED ACROSS METRO DENVER BEHIND A  
PACIFIC COLD FRONT. SUSTAINED WINDS ABOVE 40 MPH WITH GUSTS  
AS HIGH AS 60 MPH WERE RECORDED MAINLY IN AND NEAR THE  
FOOTHILLS. PRE-FRONTAL SOUTH WINDS GUSTED TO 37 MPH AT  
STAPLETON INTERNATIONAL AIRPORT.  
IN 1995...TWO PEOPLE WERE INJURED WHEN LIGHTNING STRUCK THEIR  
HOME IN LAKEWOOD. THE LIGHTNING ENTERED THE ATTIC WHERE IT  
STARTED A SMALL FIRE. IT THEN TRAVELED THROUGH THE WALLS...  
EXPLODING A MIRROR AND SPRAYING GLASS ON THE RESIDENTS.  
LIGHTNING ALSO SPARKED SMALL GRASS FIRES NEAR AURORA...DENVER  
INTERNATIONAL AIRPORT...AND BENNETT. THE HIGHEST RECORDED  
TEMPERATURE IN SEPTEMBER...97 DEGREES...OCCURRED. THE SAME  
TEMPERATURE ALSO OCCURRED ON SEPTEMBER 5...1899...SEPTEMBER  
4...1960...AND SEPTEMBER 1...1995.  
IN 2000...THUNDERSTORM WINDS GUSTED TO 64 MPH IN CASTLE ROCK.  
5 IN 1899...THE HIGHEST RECORDED TEMPERATURE IN SEPTEMBER...97  
DEGREES...OCCURRED. THE SAME TEMPERATURE WAS ALSO REACHED ON  
SEPTEMBER 4...1960...AND SEPTEMBER 1 AND 4...1995.  
IN 1940...A SEVERE WIND AND HAIL STORM CONFINED MOSTLY TO THE  
WEST AND NORTH PARTS OF THE CITY OCCURRED SHORTLY AFTER  
4:30 PM. HAIL STONES RANGED IN SIZE FROM 1/4 TO 1/2 INCH  
IN DIAMETER. IN NORTH DENVER...HAIL PILED TO A DEPTH OF  
4 INCHES. FLOODING OCCURRED IN ONE UNDERPASS...WHICH  
STALLED 2 CARS. ONE GIRL WAS INJURED WHEN THE WEIGHT  
OF THE HAIL FLATTENED A PORCH ON WHICH SHE STOOD.  
NORTHEAST WINDS WERE SUSTAINED TO 29 MPH WITH GUSTS TO  
32 MPH IN DOWNTOWN DENVER.  
IN 1987...A THUNDERSTORM COMPLEX PRODUCED HAIL AS LARGE AS  
1 3/8 INCHES IN DIAMETER...2 MILES EAST OF BUCKLEY FIELD IN  
AURORA. NO DAMAGE WAS REPORTED.  
5-8 IN 2020...A STRONG UPPER LEVEL LOW BROUGHT AN END TO RECORD  
HEAT TO THE FRONT RANGE URBAN CORRIDOR...AND PROVIDED DENVER  
ITS SECOND EARLIEST MEASURABLE SNOWFALL ON RECORD. NUMEROUS  
HEAT RECORDS WERE SET LEADING UP TO THE SNOWFALL...AND  
SEVERAL NEW SNOWFALL AND COLD RECORDS WERE ALSO BROKEN IN  
THIS ABRUPT BOUT WITH WINTER. DENVER SET ITS ALL TIME  
RECORD HIGH FOR SEPTEMBER...REACHING 101 DEGREES DURING THE  
AFTERNOON. THIS WAS ALSO THE LATEST DATE A 100 DEGREE  
READING HAS EVER BEEN OBSERVED IN DENVER. ANOTHER DAILY  
RECORD HIGH WAS THEN TIED ON SEPTEMBER 6TH WHEN DENVER HIT  
97 DEGREES. SEPTEMBER 7TH WAS THE LAST DAY OF HEAT WHEN  
DENVER'S HIGH TEMPERATURE REACHED 93 DEGREES. THAT TIED  
DENVER FOR THE RECORD FOR THE NUMBER OF 90 DEGREE DAYS FOR  
A YEAR AT 73...AND WAS ALSO THE WARMEST TEMPERATURE EVER  
RECORDED BEFORE A DAY OF MEASURABLE SNOWFALL. BY THE  
EVENING OF SEPTEMBER 7TH...A SERIES OF COLD FRONTS  
PROGRESSED SOUTHWARD FROM WYOMING INTO COLORADO...  
DROPPING THE TEMPERATURE INTO THE LOW 30S BY THE EARLY  
MORNING HOURS OF SEPTEMBER 8TH. SNOW DEVELOPED ACROSS  
THE FRONT RANGE MOUNTAINS AND FOOTHILLS OVERNIGHT...  
WHILE A MIX OF RAIN AND SNOW DEVELOPED ALONG THE I-25  
CORRIDOR. A FEW LOCATIONS PICKED UP LIGHT SNOWFALL  
ACCUMULATIONS IN THE MORNING. ACCUMULATING SNOW WAS  
MOSTLY CONFINED TO THE HIGHER ELEVATIONS MUCH OF THE  
DAY...BEFORE SPREADING ACROSS THE PLAINS DURING THE  
LATE AFTERNOON AND EVENING. STORM TOTALS RANGED FROM  
4 TO 10 INCHES IN THE MOUNTAINS...WITH 3 TO 6 INCHES  
NEAR THE FOOTHILLS. A TOTAL OF 5.6 INCHES OF SNOW  
WAS MEASURED AT THE NWS BOULDER OFFICE...WHILE AT  
DENVER INTERNATIONAL AIRPORT...THE OFFICIAL  
MEASUREMENT WAS 1.0 INCH.  
5-9 IN 1988...LAYERS OF SMOKE ALOFT FROM LARGE FOREST FIRES IN  
YELLOWSTONE NATIONAL PARK COMPLETELY OBLITERATED THE SUN  
AT TIMES. AT STAPLETON INTERNATIONAL AIRPORT...SURFACE  
VISIBILITY WAS REDUCED AT TIMES TO 5 AND 6 MILES IN SMOKE.  
5-13 IN 2010...THE FOURMILE CANYON WILDFIRE...NORTHWEST OF BOULDER...  
BROKE OUT ON THE MORNING OF THE 5TH. IT ORIGINATED FROM  
AN UNATTENDED FIRE PIT AT A LOCAL RESIDENCE. THE WILDFIRE  
QUICKLY CONSUMED 5 1/2 SQUARE MILES OR 3500 ACRES THE  
FIRST DAY...AND FORCED THE EVACUATION OF OVER THREE  
THOUSAND RESIDENTS. ERRATIC 45-MPH GUSTS SENT THE FIRE IN  
TWO DIRECTIONS AT TIMES. VERY DRY WEATHER CONDITIONS  
PRECEDED THE FIRE. THE COMBINATION OF STRONG WINDS...LOW  
RELATIVE HUMIDITIES AND DRY FUELS ALLOWED THE WILDFIRE  
SPREAD RAPIDLY THROUGH THE STEEP...HEAVILY FORESTED TERRAIN.  
THE FLAMES WERE REPORTEDLY 20 TO 50 FEET IN LENGTH. TOWNS  
WITHIN THE BURN AREA INCLUDED SALINA...WALLSTREET AND GOLD  
HILL. THE DRY CONDITIONS COUPLED WITH GUSTY WINDS RANGING  
FROM 45 TO 64 MPH PERSISTED FOR SEVERAL MORE DAYS. FIRE  
MANAGERS USED AS MANY AS 700 FIREFIGHTERS AND SUPPORT  
PERSONNEL FROM 35 AGENCIES AND SEVEN AIR TANKERS TO BATTLE  
THE WILDFIRE. A TOTAL OF 6181 SQUARE ACRES OR  
APPROXIMATELY 10 SQUARE MILES WERE BURNED. THE FOURMILE  
CANYON WILDFIRE WAS THE MOST DESTRUCTIVE FIRE IN COLORADO  
HISTORY IN TERMS OF THE DAMAGE TO PERSONAL PROPERTY. IT  
DESTROYED 171 HOMES WITH AN ESTIMATED COST OF 217 MILLION  
DOLLARS.  
 
 
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