Alert archive / Colorado / Flash Flood Warnings in 2015
Flash Flood Warning 11, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this flash flood warning at Jun 4, 2015, 9:58 PM MDT for Boulder County, Larimer County, Colorado. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jun 4, 2015, 9:58 PM MDT (03:58 UTC)
- Expired
- Jun 5, 2015, 4:00 AM MDT
- In force
- 6 hr
- Issued by
- NWS Denver/Boulder, CO
- Area
- Storm-based polygon
- Emergency
- Flash flood emergency
- Flood severity
- None
Counties Boulder County, CO, Larimer County, CO
The radar
The Denver radar (KFTG), 74 km from the middle of the area, began a volume at 04:00 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this flash flood warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The nearest sounding before it
Denver, CO (KDEN), launched 00:00Z, 4.0 hours before the alert went out and 165 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 945 J/kg
- Mixed-layer CIN
- -49 J/kg
- Mixed-layer LCL
- 2145 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- -49 m²/s²
- 0-3 km storm-relative helicity
- 26 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
905
WGUS55 KBOU 050358
FFWBOU
COC013-069-051000-
/O.NEW.KBOU.FF.W.0011.150605T0358Z-150605T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE DENVER CO
958 PM MDT THU JUN 4 2015
...FLASH FLOOD EMERGENCY FOR NORTHEAST BOULDER AND SOUTHEAST LARIMER
COUNTIES...
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHEASTERN LARIMER COUNTY IN NORTH CENTRAL COLORADO...
NORTHEASTERN BOULDER COUNTY IN CENTRAL COLORADO...
* UNTIL 400 AM MDT FRIDAY
* AT 956 PM MDT...DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED
THUNDERSTORMS PRODUCING HEAVY RAIN EAST OF LYONS. THE RAIN IS
MOVING EAST AT 5 MPH. RAINFALL AMOUNTS FROM 7 TO 8 INCHES MAY HAVE
FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.
THIS IS A FLASH FLOOD EMERGENCY FOR NORTHEAST BOULDER AND
SOUTHEAST LARIMER COUNTIES.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
BERTHOUD.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. THIS IS AN EXTREMELY DANGEROUS AND LIFE
THREATENING SITUATION. DO NOT ATTEMPT TO TRAVEL UNLESS YOU ARE
FLEEING AN AREA SUBJECT TO FLOODING OR UNDER AN EVACUATION ORDER.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...
COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND
OTHER LOW LYING AREAS ARE SUBJECT TO FLOODING.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
&&
LAT...LON 4036 10499 4035 10499 4035 10505 4034 10506
4029 10505 4022 10506 4018 10525 4032 10526
$$
RPK3 follow-up statements
588
WGUS75 KBOU 050506
FFSBOU
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
1106 PM MDT THU JUN 4 2015
COC013-069-051000-
/O.CON.KBOU.FF.W.0011.000000T0000Z-150605T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LARIMER CO-BOULDER CO-
1106 PM MDT THU JUN 4 2015
...THIS IS A FLASH FLOOD EMERGENCY FOR NORTHEAST BOULDER AND
SOUTHEAST LARIMER COUNTIES...
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 400 AM MDT FRIDAY
FOR SOUTHEASTERN LARIMER AND NORTHEASTERN BOULDER COUNTIES...
AT 1102 PM MDT...DOPPLER RADAR INDICATED RAIN HAD ENDED IN THE
WARNING AREA. RAIN AMOUNTS OF 6 TO 8 INCHES MAY HAVE FALLEN
ESPECIALLY ALONG THE LITTLE THOMPSON RIVER. FLASH FLOODING IS
ALREADY OCCURRING.
THIS IS A FLASH FLOOD EMERGENCY FOR NORTHEAST BOULDER AND SOUTHEAST
LARIMER COUNTIES.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
BERTHOUD.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. THIS IS AN EXTREMELY DANGEROUS AND LIFE
THREATENING SITUATION. DO NOT ATTEMPT TO TRAVEL UNLESS YOU ARE
FLEEING AN AREA SUBJECT TO FLOODING OR UNDER AN EVACUATION ORDER.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...
COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND
OTHER LOW LYING AREAS ARE SUBJECT TO FLOODING.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
&&
LAT...LON 4036 10499 4035 10499 4035 10505 4034 10506
4029 10505 4022 10506 4018 10525 4032 10526
$$
RPK558
WGUS75 KBOU 050748
FFSBOU
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
148 AM MDT FRI JUN 5 2015
COC013-069-051000-
/O.CON.KBOU.FF.W.0011.000000T0000Z-150605T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LARIMER CO-BOULDER CO-
148 AM MDT FRI JUN 5 2015
...THIS IS A FLASH FLOOD EMERGENCY FOR SOUTHEAST LARIIMER AND
NORTHEAST BOULDER COUNTIES...
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 400 AM MDT FRIDAY
FOR SOUTHEASTERN LARIMER AND NORTHEASTERN BOULDER COUNTIES...
AT 142 AM MDT...DOPPLER RADAR INDICATED RAIN HAD ENDED IN THE
WARNING AREA. LOCAL LAW ENFORCEMENT AND EMERGENCY MANAGERS REPORTED
NUMEROUS ROAD CLOSURES DUE TO FLOODING IN THE AREA. THE HEAVIEST
RAIN HAD FALLEN FROM AROUND LYONS EASTWARD ALONG THE LITTLE THOMPSON
RIVER BASIN TO NEAR BERTHOUD. RADAR ESTIMATES AS MUCH AS 6 TO 8
INCHES OF RAIN MAY HAVE FALLEN IN A NARROW STRETCH BETWEEN LYONS AND
BERTHOUD.
THIS IS A FLASH FLOOD EMERGENCY FOR NORTHEAST BOULDER AND SOUTHEAST
LARIMER COUNTIES. SEEK HIGHER GROUND NOW!
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... BERTHOUD.
THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...LITTLE THOMPSON
RIVER...AND DRY CREEK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. THIS IS AN EXTREMELY DANGEROUS AND LIFE
THREATENING SITUATION. DO NOT ATTEMPT TO TRAVEL UNLESS YOU ARE
FLEEING AN AREA SUBJECT TO FLOODING OR UNDER AN EVACUATION ORDER.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...
COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND
OTHER LOW LYING AREAS ARE SUBJECT TO FLOODING.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
&&
LAT...LON 4036 10499 4035 10499 4035 10505 4034 10506
4029 10505 4022 10506 4018 10525 4032 10526
$$
BARJENBRUCH799
WGUS75 KBOU 050951
FFSBOU
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
351 AM MDT FRI JUN 5 2015
COC013-069-051000-
/O.EXP.KBOU.FF.W.0011.000000T0000Z-150605T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LARIMER CO-BOULDER CO-
351 AM MDT FRI JUN 5 2015
...THE FLASH FLOOD WARNING FOR SOUTHEASTERN LARIMER AND NORTHEASTERN
BOULDER COUNTIES WILL EXPIRE AT 400 AM MDT...
THE HEAVY RAIN HAS ENDED...AND LIFE THREATENING FLASH FLOODING IS NO
LONGER EXPECTED TO POSE A THREAT. HOWEVER...WIDESPREAD LOWLAND
FLOODING WILL CONTINUE EARLY THIS MORNING. AN AREAL FLOOD WARNING
REMAINS IN EFFECT UNTIL 915 AM.
LAT...LON 4036 10499 4035 10499 4035 10505 4034 10506
4029 10505 4022 10506 4018 10525 4032 10526
$$
BARJENBRUCHWhat forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Denver/Boulder, CO wrote its last area forecast discussion before this flash flood warning went out at Jun 4, 3:08 PM MDT, 6 hours 50 minutes earlier.
Area forecast discussion, Jun 4, 3:08 PM MDT, 6 hours 50 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE DENVER/BOULDER CO 308 PM MDT THU JUN 4 2015 .SHORT TERM...(THIS EVENING THROUGH FRIDAY) ISSUED AT 308 PM MDT THU JUN 4 2015 STORMS JUST STARTING TO GET ROLLING THIS AFTERNOON WITH INITIAL ISOLATED STORMS OVER HIGHER TERRAIN OF CYS RIDGE AND FURTHER SOUTH INTO ELBERT COUNTY. A BIT OF CONVERGENCE BOUNDARY ACROSS SOUTHERN DOUGLAS AND INTO WESTERN ELBERT COUNTY WILL BE THE FOCUS FOR INITIAL STORMS AND POSSIBLE WEAK TORNADOES ALONG THE BOUNDARY. MOST OF THE FRONT RANGE AND ADJACENT PLAINS AND PALMER DIVIDE WILL BE UNDER A TORNADO WATCH THRU THE EARLY EVENING HOURS. GIVEN WEAK E-SE LOW LEVEL FLOW ABLE TO HOLD LOW LEVEL MOISTURE WITH SURFACE DEWPOINTS IN THE UPPER 50S TO LOWER 60S AND SURFACE BASED CAPES FROM 2000-3000J/KG. OVERALL STORM COVERAGE WILL BE LESS THIS AFTERNOON VS YESTERDAY AS AREA STILL UNDER SYNOPTIC SCALE SUBSIDENCE WITH WEAK RIDGING. STILL ANY STORMS THAT DO GO HAVE POTENTIAL TO BECOME SEVERE. POTENTIAL FOR STORMS TO GO WELL INTO THE NIGHT AS SEVERAL SHORT RANGE MODELS SHOWING REDEVELOPMENT LATER ON DUE TO SOME WEAK ASCENT MOVING INTO COLORADO AND CONTINUED LOW LEVEL EASTERLY FLOW. SHOULD SEE HIGHER COVERAGE OF STORMS ON FRIDAY AFTERNOON AND EVENING AS MOISTURE INCREASES AND STREAMS IN FROM THE DESERT SOUTHWEST AHEAD OF BIG LOW OFF CALIFORNIA COAST. PW VALUES INCREASE AGAIN TOWARDS NEAR AN INCH WITH BETTER POTENTIAL FOR HEAVY RAIN WITH STORMS. STILL AN ISOLATED SEVERE HAIL THREAT WITH CAPE VALUES STILL FROM 1000-2000J/KG. WILL HAVE HIGH CHANCE POPS BY FRIDAY AFTERNOON. .LONG TERM...(FRIDAY NIGHT THROUGH THURSDAY) ISSUED AT 308 PM MDT THU JUN 4 2015 THIS WEEKEND WILL FEATURE A LIGHT SW FLOW ALOFT WITH LITTLE CHANGE IN THE AIRMASS. IT DOES LOOK LIKE WE ARE ALTERNATING DAYS WITH SATURDAY BEING SLIGHTLY DRIER SO A BIT LESS ACTIVITY...THEN A WEAK COLD FRONT SUNDAY WILL BRING A LITTLE COOLING...INCREASED MOISTURE...AND PROBABLY MORE INSTABILITY AGAIN. WINDS ALOFT WILL BE LIGHTER...ALREADY EVIDENCED BY SLOWER STORM MOTIONS TODAY...SO WE WILL BE MORE PRONE TO SLOW-MOVING OR BACK-BUILDING STORMS. WITH WARM AND INCREASINGLY MOIST AIR ALOFT...IT WILL BE A BETTER ENVIRONMENT FOR FLASH FLOODING FROM THE STRONGER STORMS. STILL SOME SEVERE THREAT AS WELL...BUT LESS OF A RISK THAN THE HAIL FESTS OF THE PREVIOUS FEW DAYS. BY MON THE MOISTURE WILL LIKELY BE STARTING TO DECREASE AS THERE IS SOME RIDGING TO OUR WEST. GFS AND ECMWF HAVE HAD CONSISTENT DIFFERENCES WITH THE STRENGTH OF THIS...WITH THE EC BEING MORE AGGRESSIVE. LOOKS LIKE THE GFS IS TRENDING IN THIS DIRECTION. THE RIDGING CUTS OFF OUR MOISTURE SUPPLY AND PROVIDES A MODEST WESTERLY FLOW ALOFT. IT WILL BE WARMER WITH DRIER AIR ALOFT AGAIN...BUT STILL ENOUGH INSTABILITY AND WITH A BIT MORE SHEAR THERE WILL STILL BE SOME STORMS AND PROBABLY SOME RISK OF SEVERE STORMS IN THESE DRIER DAYS THROUGH NEXT WEEK. CURRENT CONSENSUS IS THAT THE MOST SUPPRESSED DAY WILL BE WEDNESDAY WHEN THE RIDGE AXIS IS OVER US...THEN WE START TO GET SOUTHWEST FLOW ALOFT FOR MORE SHEAR AND LEE TROUGH DEVELOPMENT. STILL LOOKING FAIRLY DRY FOR THURSDAY THOUGH. && .AVIATION...(FOR THE TAFS THROUGH 00Z FRIDAY LATE AFTERNOON) ISSUED AT 308 PM MDT THU JUN 4 2015 INITIAL COVERAGE NOW OVER DOUGLAS/ELBERT COUNTIES WILL LIKELY SEND OUT OUTFLOW BOUNDARIES BACK TOWARDS TERMINALS BY 22Z AT APA AND 23-00Z AT DEN/BJC. STRONG/SEVERE STORMS IN MVFR CONDITIONS UNDER THE STORMS. COULD BE SHOWERS/STORMS GOING WELL THROUGH THE NIGHT AND AGAIN POTENTIAL FOG/LOW STRATUS TOWARDS MORNING. EXPECT HIGHER COVERAGE OF STORMS FOR FRIDAY AFTERNOON WITH HIGHER MOISTURE LEVELS. && .HYDROLOGY... ISSUED AT 308 PM MDT THU JUN 4 2015 STORMS WILL BE MORE ISOLATED IN COVERAGE THIS AFTERNOON/EVENING BUT WILL STILL HAVE POTENTIAL TO PRODUCE BRIEF HEAVY RAIN. MOISTURE VALUES INCREASE ON FRIDAY AS PRECIPITABLE WATER VALUES CLOSE IN AROUND 1.0 INCH OVER THE FRONT RANGE. NOT ANTICIPATING SUFFICIENT COVERAGE AT THIS TIME TO WARRANT A FLASH FLOOD WATCH TODAY OR TONIGHT. THE THREAT OF FLASH FLOODING WILL INCREASE LATER FRIDAY INTO THE WEEKEND AS AIRMASS BECOMES QUITE MOIST. STREAMS AND RIVERS CONTINUE TO RUN HIGH WITH SNOWMELT AND SOME RAINFALL RUNOFF. FLOOD WARNING CONTINUES FOR THE CACHE LA POUDRE AND SOUTH PLATTE IN CENTRAL WELD COUNTY...WITH ADVISORIES FOR THE CACHE LA POUDRE IN LARIMER COUNTY WHERE BIKE PATH/TRAIL FLOODING IS EXPECTED...AND SOUTH BOULDER CREEK NEAR ELDORADO SPRINGS AS FLOWS FROM GROSS RESERVOIR WILL CONTINUE TO BE ELEVATED. THERE WILL BE AN INCREASED RISK OF FLASH FLOODING FROM THUNDERSTORM RAINS OVER THE WEEKEND AS STORMS ARE EXPECTED TO BE SLOWER MOVING AND THE ATMOSPHERE WILL REMAIN MOIST. HOWEVER... SIGNIFICANT WIDESPREAD RAIN IS NOT EXPECTED AS THE STORMS WILL BE LOCALIZED. && .BOU WATCHES/WARNINGS/ADVISORIES... NONE. && SHORT TERM...ENTREKIN LONG TERM...GIMMESTAD AVIATION...ENTREKIN HYDROLOGY...ENTREKIN/GIMMESTAD
Hazardous weather outlook, Jun 4, 10:30 AM MDT, 11 hours 28 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE DENVER/BOULDER CO 1030 AM MDT THU JUN 4 2015 COZ030>051-051630- JACKSON COUNTY BELOW 9000 FEET- WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET-LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- CENTRAL AND SOUTHEAST PARK COUNTY- LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY- NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY- ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY- CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES- NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY- SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY- LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY- 1030 AM MDT THU JUN 4 2015 ...SEVERE STORMS POSSIBLE AGAIN TODAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST AND NORTH CENTRAL COLORADO. .DAY ONE...TODAY AND TONIGHT LOW LEVEL MOISTURE WILL REMAIN ENTRENCHED ACROSS THE FRONT RANGE I-25 URBAN CORRIDOR AND ADJACENT PLAINS OF COLORADO TODAY. THIS WILL KEEP A THREAT OF SEVERE THUNDERSTORMS IN THE FORECAST... ALTHOUGH THE COVERAGE OF STORMS WILL BE LESS THAN THAT OBSERVED YESTERDAY. MOST STORMS WILL PRODUCE BRIEF HEAVY RAIN...GUSTY WINDS...FREQUENT LIGHTNING...AND SMALL HAIL...BUT ISOLATED SEVERE STORMS WILL BE CAPABLE OF PRODUCING UP TO GOLF BALL SIZED HAIL AND DAMAGING WINDS. THERE IS ALSO A LOW RISK OF A BRIEF TORNADO ALONG A CONVERGENCE ZONE WHICH IS EXPECTED TO DEVELOP FROM ACROSS DOUGLAS AND ELBERT COUNTIES LATER THIS AFTERNOON. RIVERS AND STREAMS WILL CONTINUE TO RUN HIGH WITH SNOWMELT RUNOFF. MINOR FLOODING IS EXPECTED ALONG THE CACHE LA POUDRE AND SOUTH PLATTE RIVERS IN CENTRAL AND EASTERN WELD COUNTY. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY THERE WILL BE SCATTERED LATE DAY SHOWERS AND THUNDERSTORMS FRIDAY THROUGH MONDAY AS MOISTURE IS PLENTIFUL FOR THE FORECAST AREA. TUESDAY AND WEDNESDAY WILL BE A BIT WARMER WITH LESS ACTIVITY. THROUGH THE WEEKEND THE STORMS WILL BRING A RISK OF SEVERE WEATHER WITH BIG HAIL THE MAIN THREAT. HEAVY RAINFALL IS ALSO POSSIBLE. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED AFTER 2 PM. THE MOST LIKELY LOCATION FOR SEVERE WEATHER WILL BE FROM THE PALMER DIVIDE AREA ACROSS DOUGLAS AND ELBERT COUNTIES. ENTREKIN/GIMMESTAD
In the hours before
Local storm report, Jun 4, 5:23 PM MDT, 4 hours 35 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE DENVER CO
523 PM MDT THU JUN 04 2015
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0322 PM HAIL 9 N MATHESON 39.30N 103.98W
06/04/2015 M1.50 INCH ELBERT CO STORM CHASER
0342 PM HAIL 20 NW LIMON 39.47N 103.95W
06/04/2015 M1.00 INCH ELBERT CO TRAINED SPOTTER
0346 PM HAIL 7 N MATHESON 39.27N 103.98W
06/04/2015 M1.50 INCH ELBERT CO STORM CHASER
0352 PM HAIL 1 S AGATE 39.46N 103.95W
06/04/2015 M1.50 INCH ELBERT CO STORM CHASER
0422 PM HAIL 6 ENE DENVER 39.76N 104.86W
06/04/2015 E0.88 INCH DENVER CO PUBLIC
0515 PM TORNADO 1 N SIMLA 39.16N 104.08W
06/04/2015 ELBERT CO BROADCAST MEDIA
MULTIPLE REPORTS OF A TORNADO ON THE GROUND.
0518 PM TORNADO 1 N SIMLA 39.16N 104.08W
06/04/2015 ELBERT CO BROADCAST MEDIA
THE SAME TORNADO TOUCHED DOWN FOR A SECOND TIME.
&&
FCOOPERLocal storm report, Jun 4, 5:35 PM MDT, 4 hours 23 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE DENVER CO
535 PM MDT THU JUN 04 2015
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0322 PM HAIL 9 N MATHESON 39.30N 103.98W
06/04/2015 M1.50 INCH ELBERT CO STORM CHASER
0342 PM HAIL 20 NW LIMON 39.47N 103.95W
06/04/2015 M1.00 INCH ELBERT CO TRAINED SPOTTER
0346 PM HAIL 7 N MATHESON 39.27N 103.98W
06/04/2015 M1.50 INCH ELBERT CO STORM CHASER
0352 PM HAIL 1 S AGATE 39.46N 103.95W
06/04/2015 M1.50 INCH ELBERT CO STORM CHASER
0422 PM HAIL 6 ENE DENVER 39.76N 104.86W
06/04/2015 E0.88 INCH DENVER CO PUBLIC
0515 PM TORNADO 1 N SIMLA 39.16N 104.08W
06/04/2015 ELBERT CO BROADCAST MEDIA
MULTIPLE REPORTS OF A TORNADO ON THE GROUND.
0518 PM TORNADO 1 N SIMLA 39.16N 104.08W
06/04/2015 ELBERT CO BROADCAST MEDIA
THE SAME TORNADO TOUCHED DOWN FOR A SECOND TIME.
0531 PM TORNADO 2 WNW SIMLA 39.15N 104.12W
06/04/2015 ELBERT CO BROADCAST MEDIA
LARGE TORNADO ON THE GROUND.
&&
FCOOPERLocal storm report, Jun 4, 6:20 PM MDT, 3 hours 38 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE DENVER CO
620 PM MDT THU JUN 04 2015
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0608 PM HAIL 1 NW WELLINGTON 40.71N 105.02W
06/04/2015 M1.25 INCH LARIMER CO TRAINED SPOTTER
0605 PM HAIL SIMLA 39.14N 104.08W
06/04/2015 M2.75 INCH ELBERT CO AMATEUR RADIO
0559 PM HAIL 2 W SIMLA 39.14N 104.12W
06/04/2015 M2.50 INCH ELBERT CO TRAINED SPOTTER
0558 PM HAIL 1 NE LOVELAND 40.43N 105.06W
06/04/2015 M1.00 INCH LARIMER CO TRAINED SPOTTER
0557 PM HAIL 6 N FORT COLLINS 40.64N 105.07W
06/04/2015 M1.00 INCH LARIMER CO TRAINED SPOTTER
0552 PM HAIL 1 N FORT COLLINS 40.57N 105.07W
06/04/2015 M1.25 INCH LARIMER CO AMATEUR RADIO
0545 PM TORNADO 1 WSW SIMLA 39.14N 104.10W
06/04/2015 ELBERT CO BROADCAST MEDIA
LARGE TORNADO REMAINED ON THE GROUND FROM 531-545 PM MDT.
0540 PM HAIL 1 W SIMLA 39.14N 104.10W
06/04/2015 E2.75 INCH ELBERT CO BROADCAST MEDIA
0531 PM TORNADO 2 WNW SIMLA 39.15N 104.12W
06/04/2015 ELBERT CO BROADCAST MEDIA
LARGE TORNADO ON THE GROUND.
0518 PM TORNADO 1 N SIMLA 39.16N 104.08W
06/04/2015 ELBERT CO BROADCAST MEDIA
THE SAME TORNADO TOUCHED DOWN FOR A SECOND TIME.
0515 PM TORNADO 1 N SIMLA 39.16N 104.08W
06/04/2015 ELBERT CO BROADCAST MEDIA
MULTIPLE REPORTS OF A TORNADO ON THE GROUND.
0422 PM HAIL 6 ENE DENVER 39.76N 104.86W
06/04/2015 E0.88 INCH DENVER CO PUBLIC
0352 PM HAIL 1 S AGATE 39.46N 103.95W
06/04/2015 M1.50 INCH ELBERT CO STORM CHASER
0346 PM HAIL 7 N MATHESON 39.27N 103.98W
06/04/2015 M1.50 INCH ELBERT CO STORM CHASER
0342 PM HAIL 20 NW LIMON 39.47N 103.95W
06/04/2015 M1.00 INCH ELBERT CO TRAINED SPOTTER
0322 PM HAIL 9 N MATHESON 39.30N 103.98W
06/04/2015 M1.50 INCH ELBERT CO STORM CHASER
&&
FCOOPERLocal storm report, Jun 4, 8:28 PM MDT, 1 hour 30 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE DENVER CO
828 PM MDT THU JUN 04 2015
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0810 PM HAIL 1 NNE LONGMONT 40.19N 105.10W
06/04/2015 M1.25 INCH BOULDER CO TRAINED SPOTTER
0713 PM HAIL 1 N LYONS 40.24N 105.27W
06/04/2015 M2.00 INCH BOULDER CO COCORAHS
DAMAGED SHINGLES AND SHREDDED LEAVES REPORTED.
0703 PM HAIL NNE LYONS 40.22N 105.27W
06/04/2015 M2.50 INCH BOULDER CO COCORAHS
CARS DAMAGED.
0635 PM TORNADO 4 NW LONGMONT 40.21N 105.17W
06/04/2015 BOULDER CO TRAINED SPOTTER
0634 PM TORNADO 8 NW KUTCH 38.98N 103.98W
06/04/2015 ELBERT CO STORM CHASER
LARGE TORNADO ON THE GROUND SINCE 623 PM MDT
0633 PM HAIL 2 SSE LOVELAND 40.39N 105.06W
06/04/2015 M1.00 INCH LARIMER CO COCORAHS
0620 PM HAIL 2 N LOVELAND 40.45N 105.07W
06/04/2015 M1.00 INCH LARIMER CO TRAINED SPOTTER
0608 PM HAIL 1 NW WELLINGTON 40.71N 105.02W
06/04/2015 M1.25 INCH LARIMER CO TRAINED SPOTTER
0605 PM HAIL SIMLA 39.14N 104.08W
06/04/2015 M2.75 INCH ELBERT CO AMATEUR RADIO
0600 PM HAIL 1 W SIMLA 39.14N 104.10W
06/04/2015 E2.50 INCH ELBERT CO TRAINED SPOTTER
BROKEN WINDOWS REPORTED.
0559 PM HAIL 2 W SIMLA 39.14N 104.12W
06/04/2015 M2.50 INCH ELBERT CO TRAINED SPOTTER
0558 PM HAIL 1 NE LOVELAND 40.43N 105.06W
06/04/2015 M1.00 INCH LARIMER CO TRAINED SPOTTER
0557 PM HAIL 6 N FORT COLLINS 40.64N 105.07W
06/04/2015 M1.00 INCH LARIMER CO TRAINED SPOTTER
0552 PM HAIL 1 N FORT COLLINS 40.57N 105.07W
06/04/2015 M1.25 INCH LARIMER CO AMATEUR RADIO
0551 PM HAIL 2 N LOVELAND 40.45N 105.07W
06/04/2015 M1.00 INCH LARIMER CO TRAINED SPOTTER
0548 PM HAIL SSE FORT COLLINS 40.56N 105.07W
06/04/2015 M1.00 INCH LARIMER CO COCORAHS
0545 PM TORNADO 1 WSW SIMLA 39.14N 104.10W
06/04/2015 ELBERT CO BROADCAST MEDIA
LARGE TORNADO REMAINED ON THE GROUND FROM 531-545 PM MDT.
0540 PM HAIL 1 W SIMLA 39.14N 104.10W
06/04/2015 E2.75 INCH ELBERT CO BROADCAST MEDIA
0531 PM TORNADO 2 WNW SIMLA 39.15N 104.12W
06/04/2015 ELBERT CO BROADCAST MEDIA
LARGE TORNADO ON THE GROUND.
0518 PM TORNADO 1 N SIMLA 39.16N 104.08W
06/04/2015 ELBERT CO BROADCAST MEDIA
THE SAME TORNADO TOUCHED DOWN FOR A SECOND TIME.
0515 PM TORNADO 1 N SIMLA 39.16N 104.08W
06/04/2015 ELBERT CO BROADCAST MEDIA
MULTIPLE REPORTS OF A TORNADO ON THE GROUND.
0422 PM HAIL 6 ENE DENVER 39.76N 104.86W
06/04/2015 E0.88 INCH DENVER CO PUBLIC
0352 PM HAIL 1 S AGATE 39.46N 103.95W
06/04/2015 M1.50 INCH ELBERT CO STORM CHASER
0346 PM HAIL 7 N MATHESON 39.27N 103.98W
06/04/2015 M1.50 INCH ELBERT CO STORM CHASER
0342 PM HAIL 20 NW LIMON 39.47N 103.95W
06/04/2015 M1.00 INCH ELBERT CO TRAINED SPOTTER
0322 PM HAIL 9 N MATHESON 39.30N 103.98W
06/04/2015 M1.50 INCH ELBERT CO STORM CHASER
&&
SENTREKILocal storm report, Jun 4, 9:12 PM MDT, 46 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE DENVER CO
912 PM MDT THU JUN 04 2015
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0830 PM HAIL NNE LYONS 40.22N 105.27W
06/04/2015 M2.50 INCH BOULDER CO COCORAHS
1.85 INCHES OF RAINFALL FROM 715-830 MDT. CONTINUOUS HAIL
FOR OVER ONE HOUR. AVERAGE HAIL SIZE AROUND ONE INCH.
0830 PM HAIL 2 N LONGMONT 40.20N 105.11W
06/04/2015 M1.00 INCH BOULDER CO COCORAHS
0830 PM HAIL 2 NW LONGMONT 40.20N 105.14W
06/04/2015 M1.00 INCH BOULDER CO TRAINED SPOTTER
0810 PM HAIL 1 NNE LONGMONT 40.19N 105.10W
06/04/2015 M1.25 INCH BOULDER CO TRAINED SPOTTER
0713 PM HAIL 1 N LYONS 40.24N 105.27W
06/04/2015 M2.00 INCH BOULDER CO COCORAHS
DAMAGED SHINGLES AND SHREDDED LEAVES REPORTED.
0703 PM HAIL NNE LYONS 40.22N 105.27W
06/04/2015 M2.50 INCH BOULDER CO COCORAHS
CARS DAMAGED.
0646 PM HAIL 4 WNW BERTHOUD 40.33N 105.15W
06/04/2015 M2.00 INCH LARIMER CO COCORAHS
0635 PM TORNADO 4 NW LONGMONT 40.21N 105.17W
06/04/2015 BOULDER CO TRAINED SPOTTER
0634 PM TORNADO 8 NW KUTCH 38.98N 103.98W
06/04/2015 ELBERT CO STORM CHASER
LARGE TORNADO ON THE GROUND SINCE 623 PM MDT
0633 PM HAIL 2 SSE LOVELAND 40.39N 105.06W
06/04/2015 M1.00 INCH LARIMER CO COCORAHS
0620 PM HAIL 2 N LOVELAND 40.45N 105.07W
06/04/2015 M1.00 INCH LARIMER CO TRAINED SPOTTER
0608 PM HAIL 1 NW WELLINGTON 40.71N 105.02W
06/04/2015 M1.25 INCH LARIMER CO TRAINED SPOTTER
0605 PM HAIL SIMLA 39.14N 104.08W
06/04/2015 M2.75 INCH ELBERT CO AMATEUR RADIO
0600 PM HAIL 1 W SIMLA 39.14N 104.10W
06/04/2015 E2.50 INCH ELBERT CO TRAINED SPOTTER
BROKEN WINDOWS REPORTED.
0559 PM HAIL 2 W SIMLA 39.14N 104.12W
06/04/2015 M2.50 INCH ELBERT CO TRAINED SPOTTER
0558 PM HAIL 1 NE LOVELAND 40.43N 105.06W
06/04/2015 M1.00 INCH LARIMER CO TRAINED SPOTTER
0557 PM HAIL 6 N FORT COLLINS 40.64N 105.07W
06/04/2015 M1.00 INCH LARIMER CO TRAINED SPOTTER
0552 PM HAIL 1 N FORT COLLINS 40.57N 105.07W
06/04/2015 M1.25 INCH LARIMER CO AMATEUR RADIO
0551 PM HAIL 2 N LOVELAND 40.45N 105.07W
06/04/2015 M1.00 INCH LARIMER CO TRAINED SPOTTER
0548 PM HAIL SSE FORT COLLINS 40.56N 105.07W
06/04/2015 M1.00 INCH LARIMER CO COCORAHS
0545 PM TORNADO 1 WSW SIMLA 39.14N 104.10W
06/04/2015 ELBERT CO BROADCAST MEDIA
LARGE TORNADO REMAINED ON THE GROUND FROM 531-545 PM MDT.
0540 PM HAIL 1 W SIMLA 39.14N 104.10W
06/04/2015 E2.75 INCH ELBERT CO BROADCAST MEDIA
0531 PM TORNADO 2 WNW SIMLA 39.15N 104.12W
06/04/2015 ELBERT CO BROADCAST MEDIA
LARGE TORNADO ON THE GROUND.
0518 PM TORNADO 1 N SIMLA 39.16N 104.08W
06/04/2015 ELBERT CO BROADCAST MEDIA
THE SAME TORNADO TOUCHED DOWN FOR A SECOND TIME.
0515 PM TORNADO 1 N SIMLA 39.16N 104.08W
06/04/2015 ELBERT CO BROADCAST MEDIA
MULTIPLE REPORTS OF A TORNADO ON THE GROUND.
0422 PM HAIL 6 ENE DENVER 39.76N 104.86W
06/04/2015 E0.88 INCH DENVER CO PUBLIC
0352 PM HAIL 1 S AGATE 39.46N 103.95W
06/04/2015 M1.50 INCH ELBERT CO STORM CHASER
0346 PM HAIL 7 N MATHESON 39.27N 103.98W
06/04/2015 M1.50 INCH ELBERT CO STORM CHASER
0342 PM HAIL 20 NW LIMON 39.47N 103.95W
06/04/2015 M1.00 INCH ELBERT CO TRAINED SPOTTER
0322 PM HAIL 9 N MATHESON 39.30N 103.98W
06/04/2015 M1.50 INCH ELBERT CO STORM CHASER
&&
FCOOPERLocal storm report, Jun 4, 9:45 PM MDT, 13 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE DENVER CO
945 PM MDT THU JUN 04 2015
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0944 PM HAIL ARVADA 39.82N 105.11W
06/04/2015 M1.00 INCH JEFFERSON CO 911 CALL CENTER
0830 PM HAIL NNE LYONS 40.22N 105.27W
06/04/2015 M2.50 INCH BOULDER CO COCORAHS
1.85 INCHES OF RAINFALL FROM 715-830 MDT. CONTINUOUS HAIL
FOR OVER ONE HOUR. AVERAGE HAIL SIZE AROUND ONE INCH.
0830 PM HAIL 2 NW LONGMONT 40.20N 105.14W
06/04/2015 M1.00 INCH BOULDER CO TRAINED SPOTTER
0830 PM HAIL 2 N LONGMONT 40.20N 105.11W
06/04/2015 M1.00 INCH BOULDER CO COCORAHS
0810 PM HAIL 1 NNE LONGMONT 40.19N 105.10W
06/04/2015 M1.25 INCH BOULDER CO TRAINED SPOTTER
0713 PM HAIL 1 N LYONS 40.24N 105.27W
06/04/2015 M2.00 INCH BOULDER CO COCORAHS
DAMAGED SHINGLES AND SHREDDED LEAVES REPORTED.
0703 PM HAIL NNE LYONS 40.22N 105.27W
06/04/2015 M2.50 INCH BOULDER CO COCORAHS
CARS DAMAGED.
0646 PM HAIL 4 WNW BERTHOUD 40.33N 105.15W
06/04/2015 M2.00 INCH LARIMER CO COCORAHS
0635 PM HAIL ARVADA 39.82N 105.11W
06/04/2015 M1.00 INCH JEFFERSON CO TRAINED SPOTTER
0635 PM TORNADO 4 NW LONGMONT 40.21N 105.17W
06/04/2015 BOULDER CO TRAINED SPOTTER
0634 PM TORNADO 8 NW KUTCH 38.98N 103.98W
06/04/2015 ELBERT CO STORM CHASER
LARGE TORNADO ON THE GROUND SINCE 623 PM MDT
0633 PM HAIL 2 SSE LOVELAND 40.39N 105.06W
06/04/2015 M1.00 INCH LARIMER CO COCORAHS
0620 PM HAIL 2 N LOVELAND 40.45N 105.07W
06/04/2015 M1.00 INCH LARIMER CO TRAINED SPOTTER
0608 PM HAIL 1 NW WELLINGTON 40.71N 105.02W
06/04/2015 M1.25 INCH LARIMER CO TRAINED SPOTTER
0605 PM HAIL SIMLA 39.14N 104.08W
06/04/2015 M2.75 INCH ELBERT CO AMATEUR RADIO
0600 PM HAIL 1 W SIMLA 39.14N 104.10W
06/04/2015 E2.50 INCH ELBERT CO TRAINED SPOTTER
BROKEN WINDOWS REPORTED.
0559 PM HAIL 2 W SIMLA 39.14N 104.12W
06/04/2015 M2.50 INCH ELBERT CO TRAINED SPOTTER
0558 PM HAIL 1 NE LOVELAND 40.43N 105.06W
06/04/2015 M1.00 INCH LARIMER CO TRAINED SPOTTER
0557 PM HAIL 6 N FORT COLLINS 40.64N 105.07W
06/04/2015 M1.00 INCH LARIMER CO TRAINED SPOTTER
0552 PM HAIL 1 N FORT COLLINS 40.57N 105.07W
06/04/2015 M1.25 INCH LARIMER CO AMATEUR RADIO
0551 PM HAIL 2 N LOVELAND 40.45N 105.07W
06/04/2015 M1.00 INCH LARIMER CO TRAINED SPOTTER
0548 PM HAIL SSE FORT COLLINS 40.56N 105.07W
06/04/2015 M1.00 INCH LARIMER CO COCORAHS
0545 PM TORNADO 1 WSW SIMLA 39.14N 104.10W
06/04/2015 ELBERT CO BROADCAST MEDIA
LARGE TORNADO REMAINED ON THE GROUND FROM 531-545 PM MDT.
0540 PM HAIL 1 W SIMLA 39.14N 104.10W
06/04/2015 E2.75 INCH ELBERT CO BROADCAST MEDIA
0531 PM TORNADO 2 WNW SIMLA 39.15N 104.12W
06/04/2015 ELBERT CO BROADCAST MEDIA
LARGE TORNADO ON THE GROUND.
0518 PM TORNADO 1 N SIMLA 39.16N 104.08W
06/04/2015 ELBERT CO BROADCAST MEDIA
THE SAME TORNADO TOUCHED DOWN FOR A SECOND TIME.
0515 PM TORNADO 1 N SIMLA 39.16N 104.08W
06/04/2015 ELBERT CO BROADCAST MEDIA
MULTIPLE REPORTS OF A TORNADO ON THE GROUND.
0422 PM HAIL 6 ENE DENVER 39.76N 104.86W
06/04/2015 E0.88 INCH DENVER CO PUBLIC
0352 PM HAIL 1 S AGATE 39.46N 103.95W
06/04/2015 M1.50 INCH ELBERT CO STORM CHASER
0346 PM HAIL 7 N MATHESON 39.27N 103.98W
06/04/2015 M1.50 INCH ELBERT CO STORM CHASER
&&
SENTREKIThe office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 4, 6:11 PM MDT | Severe Thunderstorm Warning | BOU | Boulder, Larimer, Weld | 34 min |
| Jun 4, 6:26 PM MDT | Tornado Warning | BOU | Elbert | 34 min |
| Jun 4, 6:32 PM MDT | Severe Thunderstorm Warning | BOU | Larimer | 28 min |
| Jun 4, 6:37 PM MDT | Tornado Warning | BOU | Boulder | 23 min |
| Jun 4, 6:38 PM MDT | Tornado Warning | BOU | Boulder, Larimer, Weld | 22 min |
| Jun 4, 6:58 PM MDT | Tornado Warning | BOU | Elbert, Lincoln | 32 min |
| Jun 4, 7:03 PM MDT | Tornado Warning | BOU | Boulder, Larimer | 27 min |
| Jun 4, 7:15 PM MDT | Flash Flood Warning | BOU | Boulder, Larimer, Weld | 3 hr |
| Jun 4, 7:30 PM MDT | Tornado Warning | BOU | Elbert | 30 min |
| Jun 4, 7:54 PM MDT | Severe Thunderstorm Warning | BOU | Boulder | 51 min |
| Jun 4, 8:40 PM MDT | River Flood Advisory | BOU | Boulder | 6 hr |
| Jun 4, 8:49 PM MDT | Severe Thunderstorm Warning | BOU | Boulder | 26 min |
| Jun 4, 9:13 PM MDT | Areal Flood Warning | BOU | Boulder, Larimer, Weld | 12 hr |
| Jun 4, 9:17 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Boulder, Broomfield, Weld | 43 min |
| Jun 4, 9:19 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe, Denver | 26 min |
| Jun 4, 9:42 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Broomfield, Denver, Jefferson | 33 min |
| Jun 4, 9:47 PM MDT | Areal Flood Advisory | BOU | Adams, Denver, Jefferson | 3 hr |
| Jun 4, 10:39 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Denver | 22 min |
| Jun 4, 11:00 PM MDT | Severe Thunderstorm Warning | BOU | Denver, Jefferson | 30 min |
| Jun 4, 11:16 PM MDT | Areal Flood Advisory | BOU | Denver, Jefferson | 3 hr |
| Jun 5, 12:42 AM MDT | Severe Thunderstorm Warning | BOU | Arapahoe, Denver, Jefferson | 33 min |
| Jun 5, 12:48 AM MDT | Areal Flood Advisory | BOU | Adams, Denver, Jefferson | 117 min |
| Jun 5, 12:52 AM MDT | Severe Thunderstorm Warning | BOU | Elbert, Lincoln | 23 min |
| Jun 5, 1:09 AM MDT | Severe Thunderstorm Warning | BOU | Elbert | 36 min |
| Jun 5, 1:45 AM MDT | Severe Thunderstorm Warning | BOU | Adams, Denver | 30 min |
| Jun 5, 2:02 AM MDT | Severe Thunderstorm Warning | BOU | Elbert | 28 min |
| Jun 5, 2:21 AM MDT | Areal Flood Advisory | BOU | Arapahoe, Elbert, Lincoln, Washington | 3 hr |
| Jun 5, 2:26 AM MDT | Tornado Warning | BOU | Elbert | 34 min |
| Jun 5, 3:03 AM MDT | Flash Flood Warning | BOU | Elbert, Lincoln | 3 hr |
| Jun 5, 4:27 AM MDT | Flash Flood Watch | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 13 more | 18 hr |
| Jun 5, 6:12 AM MDT | River Flood Warning | BOU | Adams | 38 hr |
| Jun 5, 9:10 AM MDT | River Flood Warning | BOU | Morgan | 11 days |
| Jun 5, 9:10 AM MDT | River Flood Warning | BOU | Logan, Morgan, Washington | 4 days |
| Jun 5, 12:52 PM MDT | Tornado Warning | BOU | Arapahoe, Douglas | 23 min |
| Jun 5, 1:08 PM MDT | Tornado Warning | BOU | Arapahoe, Douglas, Elbert | 37 min |
| Jun 5, 1:25 PM MDT | Areal Flood Advisory | BOU | Adams, Arapahoe, Douglas | 3 hr |
| Jun 5, 1:48 PM MDT | Tornado Warning | BOU | Adams, Arapahoe | 42 min |
| Jun 5, 2:17 PM MDT | Tornado Warning | BOU | Arapahoe, Douglas, Elbert | 43 min |
| Jun 5, 3:04 PM MDT | Tornado Warning | BOU | Adams, Arapahoe | 26 min |
| Jun 5, 3:27 PM MDT | Tornado Warning | BOU | Adams, Arapahoe | 33 min |
| Jun 5, 3:41 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln, Washington | 49 min |
| Jun 5, 4:03 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Morgan | 42 min |
| Jun 5, 4:21 PM MDT | River Flood Warning | BOU | Boulder | 65 hr |
| Jun 5, 4:31 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe | 29 min |
| Jun 5, 4:34 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln, Washington | 26 min |
| Jun 5, 4:36 PM MDT | Areal Flood Advisory | BOU | Lincoln, Washington | 3 hr |
| Jun 5, 4:44 PM MDT | Tornado Warning | BOU | Washington | 31 min |
| Jun 5, 4:58 PM MDT | Tornado Warning | BOU | Adams, Washington | 32 min |
| Jun 5, 5:24 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Morgan, Washington | 39 min |
Nearby
Flash Flood Warnings in Colorado, 2015Every flash flood warning in 2015
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.