Alert archive / Colorado / Flash Flood Warnings in 2009
Flash Flood Warning 13, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this flash flood warning at Jul 29, 2009, 6:10 PM MDT for Elbert County, Lincoln County, Colorado. It was in force for 3 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
- Jul 29, 2009, 6:10 PM MDT (00:10 UTC)
- Expired
- Jul 29, 2009, 9:00 PM MDT
- In force
- 3 hr
- Issued by
- NWS Denver/Boulder, CO
- Area
- Storm-based polygon
- Flood severity
- None
Counties Elbert County, CO, Lincoln County, CO
The radar
The Pueblo radar (KPUX), 90 km from the middle of the area, began a volume at 00:12 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.
The nearest sounding before it
Denver, CO (KDNR), launched 00:00Z, 0.2 hours before the alert went out and 89 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 547 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- -10 m²/s²
- 0-3 km storm-relative helicity
- 206 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS55 KBOU 300010 FFWBOU COC039-073-300300- /O.NEW.KBOU.FF.W.0013.090730T0010Z-090730T0300Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE DENVER CO 610 PM MDT WED JUL 29 2009 THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A * FLASH FLOOD WARNING FOR... CENTRAL LINCOLN COUNTY IN EAST CENTRAL COLORADO EAST CENTRAL ELBERT COUNTY IN EAST CENTRAL COLORADO * UNTIL 900 PM MDT * AT 607 PM MDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH FLOODING FROM A THUNDERSTORM 11 MILES WEST OF HUGO...OR 6 MILES SOUTH OF LIMON. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LIMON AND HUGO. DOPPLER RADAR ESTIMATES THAT AROUND 2 INCHES OF RAIN HAS FALLEN FROM THIS STORM IN THE LAST 60 MINUTES. LINCOLN COUNTY SHERIFF REPORTED UP TO 3 FEET OF WATER WAS REPORTED OVER THE ROADWAY AT THE INTERSECTION OF HIGHWAY 71 AND LINCOLN COUNTY ROAD 2 WEST. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE. TURN AROUND...DO NOT DROWN. && LAT...LON 3916 10344 3891 10350 3908 10375 3925 10375 $$
2 follow-up statements
000 WGUS75 KBOU 300054 FFSBOU FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DENVER CO 654 PM MDT WED JUL 29 2009 COC039-073-300300- /O.CON.KBOU.FF.W.0013.000000T0000Z-090730T0300Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ LINCOLN CO-ELBERT CO- 654 PM MDT WED JUL 29 2009 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 900 PM MDT FOR EAST CENTRAL ELBERT AND CENTRAL LINCOLN COUNTIES... AT 648 PM MDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH FLOODING FROM A THUNDERSTORM EARLIER THIS EVENING. FLOODING WAS REPORTED 6 MILES SOUTH OF LIMON...AT THE INTERSECTION OF HIGHWAY 71 AND LINCOLN COUNTY ROAD 2W. THE WATER WAS REPORTEDLY UP TO 3 FEET DEEP IN THE AREA. LOCATIONS REMAINING IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO HUGO AND LIMON. DOPPLER RADAR ESTIMATES THAT 1 TO 2 INCHES OF RAIN HAD FALLEN SOUTH OF LIMON AND HUGO. PRECAUTIONARY/PREPAREDNESS ACTIONS... ALTHOUGH THE STORMS HAVE MOVED OUT OF THE AREA...EXCESSIVE RUNOFF FROM THESE STORMS WILL CAUSE FLASH FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...NORMALLY DRY WASHES AND ARROYOS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR OTHER LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER CLIMB TO HIGHER GROUND. && LAT...LON 3916 10344 3891 10350 3908 10375 3925 10375 $$
000 WGUS75 KBOU 300303 FFSBOU FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DENVER CO 903 PM MDT WED JUL 29 2009 COC039-073-300311- /O.EXP.KBOU.FF.W.0013.000000T0000Z-090730T0300Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ LINCOLN CO-ELBERT CO- 903 PM MDT WED JUL 29 2009 ...THE FLASH FLOOD WARNING HAS EXPIRED FOR EAST CENTRAL ELBERT AND CENTRAL LINCOLN COUNTIES... FLASH FLOODING HAS ENDED. THE LINCOLN COUNTY SHERIFF REPORTS THAT THERE IS STILL SHALLOW STANDING WATER ON SEVERAL ROADS NEAR LONG BRANCH CREEK SOUTH OF LIMON AND HUGO...INCLUDING HIGHWAY 71 NEAR LINCOLN COUNTY ROAD 2W...HIGHWAY 109 NEAR COUNTY ROAD 2K...AND ALONG COUNTY ROAD 2W. DRIVERS SHOULD EXCERCISE CAUTION IN THESE AREAS OVERNIGHT AS ROAD DAMAGE MAY BE HARD TO SPOT IN THE DARK. COUNTY ROAD 2W IS REPORTED TO BE ESPECIALLY BAD. LAT...LON 3916 10344 3891 10350 3908 10375 3925 10375 $$ GIMMESTAD
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 29, 6:17 PM MDT | Tornado Warning | BOU | Lincoln | 28 min |
Nearby
Flash Flood Warnings in Colorado, 2009Every flash flood warning in 2009
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.