Alert archive / Colorado / Flash Flood Warnings in 2014
Flash Flood Warning 9, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this flash flood warning at May 30, 2014, 4:13 PM MDT for Adams County, Arapahoe County, Weld County, Colorado. It was in force for 3 hr. 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
- May 30, 2014, 4:13 PM MDT (22:13 UTC)
- Expired
- May 30, 2014, 7:15 PM MDT
- In force
- 3 hr
- Issued by
- NWS Denver/Boulder, CO
- Area
- Storm-based polygon
- Flood severity
- None
Counties Adams County, CO, Arapahoe County, CO, Weld County, CO
The radar
The Denver radar (KFTG), 41 km from the middle of the area, began a volume at 22:16 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 |
|---|---|---|---|
| May 30, 5:08 PM MDT | HEAVY RAIN 0 | 6 Se Byers, CO | VERY HEAVY RAIN OVER SEVERAL MINUTES PRODUCED HIGH WATER NEARLY A HALF FOOT DEEP AROUND THE SPOTTERS FARM BUILDINGS. |
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 12:00Z, 10.2 hours before the alert went out and 87 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
- 2 J/kg
- Mixed-layer CIN
- -257 J/kg
- Mixed-layer LCL
- 1958 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- -28 m²/s²
- 0-3 km storm-relative helicity
- 57 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
038
WGUS55 KBOU 302213
FFWBOU
COC001-005-123-310115-
/O.NEW.KBOU.FF.W.0009.140530T2213Z-140531T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE DENVER CO
413 PM MDT FRI MAY 30 2014
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A
* FLASH FLOOD WARNING FOR...
EASTERN ARAPAHOE COUNTY IN NORTHEAST COLORADO...
SOUTHEASTERN WELD COUNTY IN NORTHEAST COLORADO...
CENTRAL ADAMS COUNTY IN NORTHEAST COLORADO...
* UNTIL 715 PM MDT
* AT 410 PM MDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ALONG A LINE EXTENDING FROM 7 MILES SOUTHEAST OF
BARNESVILLE TO NEAR DEER TRAIL. THE STORMS ARE MOVING NORTH AT 15
MPH. ONE TO 1.5 INCHES OF RAIN HAS ALREADY FALLEN FROM THE
STRONGER STORMS...AND ANOTHER ONE TO 2 INCHES OF RAIN CAN BE
EXPECTED. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
KEENESBURG...DEER TRAIL...BYERS...PROSPECT VALLEY...ROGGEN...
STRASBURG...RIVERSIDE RESERVOIR AND BARNESVILLE.
THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...ANTELOPE CREEK...
FIRST CREEK...BIJOU CREEK...HAY GULCH...MIDDLE BIJOU CREEK...MULE
CREEK...EAST BIJOU CREEK...BOX ELDER CREEK...SOUTH PLATTE RIVER...
SANBORN DRAW...CROW CREEK...RATTLESNAKE CREEK...LOST CREEK...WEST
BIJOU CREEK...WILSON CREEK...SAND CREEK...WEST SAND CREEK...SHERMAN
RANCH SLOUGH...KIOWA CREEK...LITTLE COMANCHE CREEK...WOLF CREEK...
COMANCHE CREEK...LITTLE ANTELOPE CREEK...JACK RABBIT CREEK...ROCK
CREEK...EAST LOST CREEK AND COAL CREEK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND AS WELL AS
OTHER DRAINAGE AREAS AND LOW LYING SPOTS.
&&
LAT...LON 4053 10415 4000 10415 3957 10398 3956 10409
3957 10423 4010 10454 4057 10449
$$
BARJENBRUCH1 follow-up statement
819
WGUS75 KBOU 302316
FFSBOU
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
516 PM MDT FRI MAY 30 2014
COC001-005-123-302323-
/O.CAN.KBOU.FF.W.0009.000000T0000Z-140531T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ARAPAHOE CO-WELD CO-ADAMS CO-
516 PM MDT FRI MAY 30 2014
...THE FLASH FLOOD WARNING FOR EASTERN ARAPAHOE...SOUTHEASTERN WELD
AND CENTRAL ADAMS COUNTIES IS CANCELLED...
THIS WARNING HAS BEEN REPLACED BY A LARGER FLASH FLOOD WARNING WHICH
INCLUDES MUCH OF WELD COUNTY...EASTERN ARAPAHOE COUNTY...AND CENTRAL
ADAMS COUNTY...AND ALSO EXTENDED UNTIL 800 PM.
LAT...LON 4053 10415 4000 10415 3957 10398 3956 10409
3957 10423 4010 10454 4057 10449
$$
BARJENBRUCHThe office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 29, 6:12 PM MDT | Special Weather Statement | BOU | Weld | 48 min |
| May 30, 5:17 AM MDT | Flash Flood Watch | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 11 more | 15 hr |
| May 30, 7:31 AM MDT | River Flood Advisory | BOU | Boulder | 10 days |
| May 30, 2:52 PM MDT | Flash Flood Warning | BOU | Morgan | 113 min |
| May 30, 3:03 PM MDT | Areal Flood Advisory | BOU | Larimer | 3 hr |
| May 30, 3:05 PM MDT | Flash Flood Warning | BOU | Boulder | 3 hr |
| May 30, 3:45 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe | 45 min |
| May 30, 3:48 PM MDT | Severe Thunderstorm Warning | BOU | Logan | 42 min |
| May 30, 4:12 PM MDT | Areal Flood Advisory | BOU | Boulder | 3 hr |
| May 30, 5:12 PM MDT | Flash Flood Warning | BOU | Adams, Arapahoe, Weld | 3 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.