Alert archive / Colorado / Flash Flood Warnings in 2014
Flash Flood Warning 41, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this flash flood warning at Sep 20, 2014, 6:34 PM MDT for Park County, Colorado. It was in force for 116 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Sep 20, 2014, 6:34 PM MDT (00:34 UTC)
- Expired
- Sep 20, 2014, 8:30 PM MDT
- In force
- 116 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Storm-based polygon
- Flood severity
- None
County Park County, CO
The radar
The Denver radar (KFTG), 116 km from the middle of the area, began a volume at 00:35 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 (KDEN), launched 00:00Z, 0.6 hours before the alert went out and 212 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2340 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- -20 m²/s²
- 0-3 km storm-relative helicity
- 24 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
438
WGUS55 KBOU 210034
FFWBOU
COC093-210230-
/O.NEW.KBOU.FF.W.0041.140921T0034Z-140921T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE DENVER CO
634 PM MDT SAT SEP 20 2014
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A
* FLASH FLOOD WARNING FOR...
EAST CENTRAL PARK COUNTY IN CENTRAL COLORADO...
* UNTIL 830 PM MDT
* AT 632 PM MDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
HEAVY RAIN CENTERED JUST WEST AND NORTHWEST OF LAKE GEORGE. THE
RAIN IS MOVING SOUTHEAST AT 5 MPH. UP TO THREE INCHES OF RAIN HAVE
ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.
* FLASH FLOODING WILL REMAIN OVER MAINLY RURAL AREAS OF EAST CENTRAL
PARK COUNTY.
THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...LINK CREEK...
ADAMANS CREEK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF CREEKS
AND STREAMS...ROADS AND ROADSIDE CULVERTS. THE HEAVY RAINS COULD
ALSO TRIGGER ROCK SLIDES OR DEBRIS FLOWS IN STEEP TERRAIN.
TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 3897 10538 3892 10546 3903 10551 3905 10537
$$
BARJENBRUCH2 follow-up statements
862 WGUS75 KBOU 210131 FFSBOU FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DENVER CO 731 PM MDT SAT SEP 20 2014 COC093-210230- /O.CON.KBOU.FF.W.0041.000000T0000Z-140921T0230Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ PARK CO- 731 PM MDT SAT SEP 20 2014 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 830 PM MDT FOR EAST CENTRAL PARK COUNTY... AT 728 PM MDT...THE THUNDERSTORMS PRODUCING HEAVY RAIN NEAR THE LAKE GEORGE AREA HAD DECREASED. THE RAIN WILL CONTINUE TO TAPER OFF BETWEEN NOW AND 830 PM. UP TO THREE INCHES OF RAIN FELL IN A SMALL AREA JUST TO THE NORTHWEST OF LAKE GEORGE EARLIER THIS EVENING. FLASH FLOODING WILL REMAIN OVER MAINLY RURAL AREAS OF EAST CENTRAL PARK COUNTY. THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...LINK CREEK AND ADAMANS CREEK. PRECAUTIONARY/PREPAREDNESS ACTIONS... EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF CREEKS AND STREAMS...ROADS AND ROADSIDE CULVERTS. THE HEAVY RAINS COULD ALSO TRIGGER ROCK SLIDES OR DEBRIS FLOWS IN STEEP TERRAIN. TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES. && LAT...LON 3897 10538 3892 10546 3903 10551 3905 10537 $$ BARJENBRUCH
774 WGUS75 KBOU 210235 FFSBOU FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DENVER CO 835 PM MDT SAT SEP 20 2014 COC093-210244- /O.EXP.KBOU.FF.W.0041.000000T0000Z-140921T0230Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ PARK CO- 835 PM MDT SAT SEP 20 2014 ...THE FLASH FLOOD WARNING FOR EAST CENTRAL PARK COUNTY HAS EXPIRED... THE HEAVY RAIN HAS ENDED...AND FLOODING IS NO LONGER EXPECTED TO POSE A THREAT. PLEASE CONTINUE TO HEED ANY ROAD CLOSURES. LAT...LON 3897 10538 3892 10546 3903 10551 3905 10537 $$ BARJENBRUCH
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 20, 6:06 PM MDT | Areal Flood Advisory | BOU | Park | 114 min |
| Sep 21, 3:54 PM MDT | Areal Flood Advisory | BOU | Larimer | 2 hr |
Nearby
Flash Flood Warnings in Colorado, 2014Every flash flood warning in 2014
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.