Alert archive / Colorado / Flash Flood Warnings in 2014
Flash Flood Warning 21, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this flash flood warning at Jul 13, 2014, 6:09 PM MDT for Larimer County, Colorado. It was in force for 96 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 13, 2014, 6:09 PM MDT (00:09 UTC)
- Expired
- Jul 13, 2014, 7:45 PM MDT
- In force
- 96 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Storm-based polygon
- Flood severity
- None
County Larimer County, CO
The radar
The Cheyenne radar (KCYS), 76 km from the middle of the area, began a volume at 00:10 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 13, 7:08 PM MDT | FLASH FLOOD | 1 W Mishowaka, CO | MUD DEBRIS FLOW OVER HWY 14 AT MILE MARKER 106.5 |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Denver, CO (KDEN), launched 00:00Z, 0.2 hours before the alert went out and 203 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
- 117 J/kg
- Mixed-layer CIN
- -44 J/kg
- Mixed-layer LCL
- 2350 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 16 m²/s²
- 0-3 km storm-relative helicity
- 62 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
451
WGUS55 KBOU 140009
FFWBOU
COC069-140145-
/O.NEW.KBOU.FF.W.0021.140714T0009Z-140714T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE DENVER CO
609 PM MDT SUN JUL 13 2014
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A
* FLASH FLOOD WARNING FOR...
EAST CENTRAL LARIMER COUNTY IN NORTH CENTRAL COLORADO...
* UNTIL 745 PM MDT
* AT 608 PM MDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN OVER THE HIGH PARK BURN AREA. FROM ONE HALF TO ONE
INCH OF RAIN MAY HAVE ALREADY FALLEN. FLASH FLOODING IS EXPECTED
TO BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
BUCKHORN MOUNTAIN...POUDRE PARK AND MISHAWAKA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
HEAVY RAINFALL WILL CAUSE FLASH FLOODING OF CREEKS...STREAMS...ROADS
AND CULVERTS IN THE HIGH PARK BURN AREA. SOME AREAS AFFECTED INCLUDE
RIST CANYON...BUCKHORN CREEK...REDSTONE CANYON...STOVE PRAIRIE...AND
GULCHES DRAINING INTO THE POUDRE CANYON ALONG HIGHWAY 14. ROCK
SLIDES OR DEBRIS FLOWS CAN ALSO BE EXPECTED ACROSS ROADS IN THE BURN
AREA.
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
&&
LAT...LON 4058 10553 4073 10551 4074 10521 4056 10520
$$
RPK2 follow-up statements
951 WGUS75 KBOU 140042 FFSBOU FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DENVER CO 642 PM MDT SUN JUL 13 2014 COC069-140145- /O.CON.KBOU.FF.W.0021.000000T0000Z-140714T0145Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ LARIMER CO- 642 PM MDT SUN JUL 13 2014 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 745 PM MDT FOR EAST CENTRAL LARIMER COUNTY... AT 640 PM MDT...DOPPLER RADAR INDICATED THUNDERSTORMS HAD ENDED OVER THE HIGH PARK BURN AREA. RAINFALL AMOUNTS FROM ONE HALF TO INCH WAS INDICATED BY RADAR WITH THE HEAVIEST AMOUNTS OVER WESTERN PORTIONS OF THE BURN SCAR. FLASH FLOODING IS EXPECTED. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... BUCKHORN MOUNTAIN...POUDRE PARK AND MISHAWAKA. PRECAUTIONARY/PREPAREDNESS ACTIONS... HEAVY RAINFALL WILL CAUSE FLASH FLOODING OF CREEKS...STREAMS...ROADS AND CULVERTS IN THE HIGH PARK BURN AREA. SOME AREAS AFFECTED INCLUDE RIST CANYON...BUCKHORN CREEK...REDSTONE CANYON...STOVE PRAIRIE...AND GULCHES DRAINING INTO THE POUDRE CANYON ALONG HIGHWAY 14. ROCK SLIDES OR DEBRIS FLOWS CAN ALSO BE EXPECTED ACROSS ROADS IN THE BURN AREA. MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE. && LAT...LON 4058 10553 4073 10551 4074 10521 4056 10520 $$ RPK
231 WGUS75 KBOU 140140 FFSBOU FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DENVER CO 740 PM MDT SUN JUL 13 2014 COC069-140150- /O.EXP.KBOU.FF.W.0021.000000T0000Z-140714T0145Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ LARIMER CO- 740 PM MDT SUN JUL 13 2014 ...THE FLASH FLOOD WARNING FOR EAST CENTRAL LARIMER COUNTY WILL EXPIRE AT 745 PM MDT... FLOOD WATERS HAVE RECEDED...AND ARE NO LONGER EXPECTED TO POSE A THREAT TO LIFE OR PROPERTY. PLEASE CONTINUE TO HEED ANY ROAD CLOSURES. LAT...LON 4058 10553 4073 10551 4074 10521 4056 10520 $$ RPK
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 14, 3:08 PM MDT | Areal Flood Advisory | BOU | Larimer | 2 hr |
| Jul 14, 3:22 PM MDT | Severe Thunderstorm Warning | BOU | Larimer | 38 min |
| Jul 14, 3:58 PM MDT | Severe Thunderstorm Warning | BOU | Boulder, Larimer | 32 min |
| Jul 14, 4:24 PM MDT | Severe Thunderstorm Warning | BOU | Boulder, Weld | 36 min |
| Jul 14, 4:25 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 50 min |
| Jul 14, 4:45 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 45 min |
| Jul 14, 5:10 PM MDT | Severe Thunderstorm Warning | BOU | Morgan, Weld | 35 min |
| Jul 14, 5:11 PM MDT | Tornado Warning | BOU | Elbert, Lincoln | 23 min |
| Jul 14, 5:33 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 42 min |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.