Alert archive / Colorado / Flash Flood Warnings in 2016
Flash Flood Warning 27, NWS Pueblo, CO
NWS Pueblo, CO issued this flash flood warning at Aug 20, 2016, 6:00 PM MDT for Custer County, Fremont County, Saguache 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
- Aug 20, 2016, 6:00 PM MDT (00:00 UTC)
- Expired
- Aug 20, 2016, 9:00 PM MDT
- In force
- 3 hr
- Issued by
- NWS Pueblo, CO
- Area
- Storm-based polygon
- Flood severity
- None
Counties Custer County, CO, Fremont County, CO, Saguache County, CO
The radar
The Pueblo radar (KPUX), 138 km from the middle of the area, began a volume at 00:01 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
Grand Junction, CO (KGJT), launched 00:00Z, 0.0 hours before the alert went out and 255 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
- 3779 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 23 m²/s²
- 0-3 km storm-relative helicity
- 51 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
115
WGUS55 KPUB 210000
FFWPUB
COC027-043-109-210300-
/O.NEW.KPUB.FF.W.0027.160821T0000Z-160821T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
600 PM MDT SAT AUG 20 2016
THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHEASTERN SAGUACHE COUNTY IN CENTRAL COLORADO...
SOUTHWESTERN FREMONT COUNTY IN CENTRAL COLORADO...
NORTHWESTERN CUSTER COUNTY IN SOUTHEASTERN COLORADO...
* UNTIL 900 PM MDT
* AT 557 PM MDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. FLASH FLOODING IS EXPECTED TO
BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
COALDALE.
EXCESSIVE RAINFALL OVER THE HAYDEN BURN SCAR WILL RESULT IN DEBRIS
FLOW MOVING THROUGH THE POLE GULCH...WOLF CREEK...SOUTH PRONG...AND
HAYDEN CREEKS. IF THE STORM MAINTAINS STRENGTH...THEN COTTONWOOD
CREEK AND BUTTER CREEK COULD ALSO BE AFFECTED. THE DEBRIS FLOW CAN
CONSIST OF ROCK...MUD...VEGETATION AND OTHER LOOSE MATERIALS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
MOVE AWAY FROM RECENTLY BURNED AREAS. LIFE-THREATENING FLOODING OF
CREEKS...ROADS AND NORMALLY DRY ARROYOS IS LIKELY. THE HEAVY RAINS
WILL LIKELY TRIGGER ROCKSLIDES...MUDSLIDES AND DEBRIS FLOWS IN STEEP
TERRAIN...ESPECIALLY IN AND AROUND THESE AREAS.
&&
LAT...LON 3837 10569 3826 10569 3825 10574 3827 10584
3833 10585 3838 10576
$$
KT2 follow-up statements
776
WGUS75 KPUB 210033
FFSPUB
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
633 PM MDT SAT AUG 20 2016
COC027-043-109-210300-
/O.CON.KPUB.FF.W.0027.000000T0000Z-160821T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAGUACHE CO-FREMONT CO-CUSTER CO-
633 PM MDT SAT AUG 20 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 900 PM MDT FOR
NORTHEASTERN SAGUACHE...SOUTHWESTERN FREMONT AND NORTHWESTERN CUSTER
COUNTIES...
AT 630 PM MDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING HEAVY
RAIN ACROSS THE WARNED AREA. FLASH FLOODING IS EXPECTED TO BEGIN
SHORTLY.
EXCESSIVE RAINFALL OVER THE HAYDEN BURN SCAR WILL RESULT IN DEBRIS
FLOW MOVING THROUGH THE WESTERN DRAINAGES INCLUDING SOUTH
PRONG...HAYDEN CREEK...AND POLE GULCH. THE DEBRIS FLOW CAN CONSIST
OF ROCK...MUD...VEGETATION AND OTHER LOOSE MATERIALS.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
COALDALE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
REMAIN ALERT FOR FLOODING EVEN IN LOCATIONS NOT RECEIVING RAIN.
ARROYOS...STREAMS...AND RIVERS CAN BECOME RAGING KILLER CURRENTS IN A
MATTER OF MINUTES...EVEN FROM DISTANT RAINFALL.
MOVE AWAY FROM RECENTLY BURNED AREAS. LIFE-THREATENING FLOODING OF
CREEKS...ROADS AND NORMALLY DRY ARROYOS IS LIKELY. THE HEAVY RAINS
WILL LIKELY TRIGGER ROCKSLIDES...MUDSLIDES AND DEBRIS FLOWS IN STEEP
TERRAIN...ESPECIALLY IN AND AROUND THESE AREAS.
&&
LAT...LON 3837 10569 3826 10569 3825 10574 3827 10584
3833 10585 3838 10576
$$
KT625
WGUS75 KPUB 210200
FFSPUB
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
800 PM MDT SAT AUG 20 2016
COC027-043-109-210210-
/O.CAN.KPUB.FF.W.0027.000000T0000Z-160821T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAGUACHE CO-FREMONT CO-CUSTER CO-
800 PM MDT SAT AUG 20 2016
...THE FLASH FLOOD WARNING FOR NORTHEASTERN SAGUACHE...SOUTHWESTERN
FREMONT AND NORTHWESTERN CUSTER COUNTIES IS CANCELLED...
THE HEAVY RAIN HAS ENDED. FLOODING IS NO LONGER EXPECTED TO POSE A
THREAT. PLEASE CONTINUE TO HEED ANY REMAINING ROAD CLOSURES.
LAT...LON 3837 10569 3826 10569 3825 10574 3827 10584
3833 10585 3838 10576
$$
KTThe office that day
Everything else NWS Pueblo, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 20, 6:05 PM MDT | Severe Thunderstorm Warning | PUB | Custer, Huerfano | 40 min |
| Aug 20, 6:44 PM MDT | Special Weather Statement | PUB | Saguache | 46 min |
| Aug 20, 7:20 PM MDT | Special Weather Statement | PUB | Huerfano | 40 min |
| Aug 21, 5:46 PM MDT | Special Weather Statement | PUB | Chaffee | 29 min |
Nearby
Flash Flood Warnings in Colorado, 2016Every flash flood warning in 2016
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.