Alert archive / Colorado / Flash Flood Warnings in 2011
Flash Flood Warning 13, NWS Pueblo, CO
NWS Pueblo, CO issued this flash flood warning at Aug 3, 2011, 4:52 PM MDT for 4 counties in 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 3, 2011, 4:52 PM MDT (22:52 UTC)
- Expired
- Aug 3, 2011, 7:46 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, Pueblo County, CO, Saguache County, CO
The radar
The Pueblo radar (KPUX), 115 km from the middle of the area, began a volume at 22:52 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 12:00Z, 10.9 hours before the alert went out and 260 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
- 15 J/kg
- Mixed-layer CIN
- -54 J/kg
- Mixed-layer LCL
- 1190 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- -14 m²/s²
- 0-3 km storm-relative helicity
- 4 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
824 WGUS55 KPUB 032252 FFWPUB COC027-043-101-109-040200- /O.NEW.KPUB.FF.W.0013.110803T2252Z-110804T0200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE PUEBLO CO 452 PM MDT WED AUG 3 2011 THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A * FLASH FLOOD WARNING FOR... EAST CENTRAL SAGUACHE COUNTY IN CENTRAL COLORADO... NORTHERN CUSTER COUNTY IN SOUTHEAST COLORADO... SOUTHWESTERN FREMONT COUNTY IN CENTRAL COLORADO... WEST CENTRAL PUEBLO COUNTY IN SOUTHEAST COLORADO... * UNTIL 800 PM MDT * AT 450 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. DOPPLER RADAR ESTIMATED UP TO 2 INCHES OF RAIN PER HOUR WITH THESE STORMS. * RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... COALDALE...COTOPAXI AND TEXAS CREEK. JUST A SMALL AMOUNT OF RAINFALL ON A BURN SCAR CAN LEAD TO FLASH FLOODING. WATER THAT IS NORMALLY ABSORBED BY VEGETATION...RUNS OFF ALMOST INSTANTLY. THIS CAUSES CREEKS AND DRAINAGE AREAS TO FLOOD AT A MUCH FASTER RATE THAN NORMAL. ADDITIONALLY...THE SOILS IN A BURN SCAR BECOME UNSTABLE WHEN IT RAINS...RESULTING IN MUD FLOWS AND FALLING ROCK. ROADWAYS CAN BE WASHED OUT BY THE FORCE OF THE RUSHING WATER. PRECAUTIONARY/PREPAREDNESS ACTIONS... IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS FLOODED ROADS. FIND ALTERNATE ROUTES. IT ONLY TAKES A FEW INCHES OF SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY. && LAT...LON 3847 10533 3812 10493 3813 10590 3842 10597 $$ STARK
3 follow-up statements
013 WGUS75 KPUB 032345 FFSPUB FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE PUEBLO CO 545 PM MDT WED AUG 3 2011 COC027-043-101-109-040200- /O.CON.KPUB.FF.W.0013.000000T0000Z-110804T0200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ CUSTER CO-FREMONT CO-PUEBLO CO-SAGUACHE CO- 545 PM MDT WED AUG 3 2011 ...FLASH FLOOD WARNING REMAINS IN EFFECT FOR EAST CENTRAL SAGUACHE... WEST CENTRAL PUEBLO...SOUTHWESTERN FREMONT AND NORTHERN CUSTER COUNTIES UNTIL 800 PM MDT... AT 542 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. DOPPLER RADAR ESTIMATED UP TO 2 INCHES OF RAINFALL HAS FALLEN ACROSS PORTIONS OF THE WARNED AREA. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... COALDALE...COTOPAXI AND TEXAS CREEK. PRECAUTIONARY/PREPAREDNESS ACTIONS... THE THUNDERSTORMS HAVE WEAKENED SOMEWHAT ACROSS THE WARNED AREA... HOWEVER RUNOFF WILL CONTINUE TO AFFECT RURAL ROADS AND LOW LYING AREAS. REMEMBER THAT BURN SCARS AND CANYON ROADS ARE ESPECIALLY PRONE TO DEBRIS FLOW AND ROCK SLIDES. REPORT FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY SO THAT THEY MAY TAKE APPROPRIATE ACTION TO CLOSE FLOODED ROADWAYS. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN PUEBLO. && LAT...LON 3847 10533 3812 10493 3813 10590 3842 10597 $$ STARK
462 WGUS75 KPUB 040105 FFSPUB FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE PUEBLO CO 705 PM MDT WED AUG 3 2011 COC027-043-101-109-040200- /O.CON.KPUB.FF.W.0013.000000T0000Z-110804T0200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ CUSTER CO-FREMONT CO-PUEBLO CO-SAGUACHE CO- 705 PM MDT WED AUG 3 2011 ...FLASH FLOOD WARNING REMAINS IN EFFECT FOR EAST CENTRAL SAGUACHE... WEST CENTRAL PUEBLO...SOUTHWESTERN FREMONT AND NORTHERN CUSTER COUNTIES UNTIL 800 PM MDT... AT 701 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN AREA OF VERY HEAVY RAINFALL HAS OCCURRED ACROSS THE WARNED AREA EARLIER THIS EVENING. ALTHOUGH THUNDERSTORMS HAVE MOVED OUT OF THE WARNED AREA...PUEBLO DOPPLER RADAR ESTIMATED UP TO 2 INCHES OF RAIN HAS FALLEN ACROSS PORTIONS OF THE AREA WITH THE HEAVIEST AMOUNTS FALLING AROUND 3 MILES EAST NORTHEAST OF WESTCLIFFE. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO CONTINUE IN LOW SPOTS UNTIL THE WATER HAS TIME TO RECEDE. SOME LOCATIONS THAT MAY CONTINUE TO EXPERIENCE FLOODING INCLUDE...COTOPAXI...AND TEXAS CREEK. JUST A SMALL AMOUNT OF RAINFALL ON A BURN SCAR CAN LEAD TO FLASH FLOODING. WATER THAT IS NORMALLY ABSORBED BY VEGETATION...RUNS OFF ALMOST INSTANTLY. THIS CAUSES CREEKS AND DRAINAGE AREAS TO FLOOD AT A MUCH FASTER RATE THAN NORMAL. ADDITIONALLY...THE SOILS IN A BURN SCAR BECOME UNSTABLE WHEN IT RAINS...RESULTING IN MUD FLOWS AND FALLING ROCK. ROADWAYS CAN BE WASHED OUT BY THE FORCE OF THE RUSHING WATER. PRECAUTIONARY/PREPAREDNESS ACTIONS... REPORT FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY SO THAT THEY MAY TAKE APPROPRIATE ACTION TO CLOSE FLOODED ROADWAYS. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN PUEBLO. && LAT...LON 3847 10533 3812 10493 3813 10590 3842 10597 $$
206 WGUS75 KPUB 040146 FFSPUB FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE PUEBLO CO 746 PM MDT WED AUG 3 2011 COC027-043-101-109-040201- /O.CAN.KPUB.FF.W.0013.000000T0000Z-110804T0200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ CUSTER CO-FREMONT CO-PUEBLO CO-SAGUACHE CO- 746 PM MDT WED AUG 3 2011 ...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR EAST CENTRAL SAGUACHE...WEST CENTRAL PUEBLO...SOUTHWESTERN FREMONT AND NORTHERN CUSTER COUNTIES IS CANCELLED... EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED... PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY. JUST A SMALL AMOUNT OF RAINFALL ON A BURN SCAR CAN LEAD TO FLASH FLOODING. WATER THAT IS NORMALLY ABSORBED BY VEGETATION...RUNS OFF ALMOST INSTANTLY. THIS CAUSES CREEKS AND DRAINAGE AREAS TO FLOOD AT A MUCH FASTER RATE THAN NORMAL. ADDITIONALLY...THE SOILS IN A BURN SCAR BECOME UNSTABLE WHEN IT RAINS...RESULTING IN MUD FLOWS AND FALLING ROCK. ROADWAYS CAN BE WASHED OUT BY THE FORCE OF THE RUSHING WATER. LAT...LON 3847 10533 3812 10493 3813 10590 3842 10597 $$
The office that day
Everything else NWS Pueblo, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 6:04 PM MDT | Severe Thunderstorm Warning | PUB | Crowley, Otero, Pueblo | 56 min |
| Aug 2, 6:10 PM MDT | Flash Flood Warning | PUB | Baca, Las Animas, Otero | 3 hr |
| Aug 2, 7:56 PM MDT | Flash Flood Warning | PUB | El Paso | 3 hr |
| Aug 2, 8:04 PM MDT | Areal Flood Advisory | PUB | Bent, Prowers | 3 hr |
| Aug 2, 8:06 PM MDT | Areal Flood Advisory | PUB | Crowley, Kiowa, Otero | 3 hr |
| Aug 2, 9:27 PM MDT | Areal Flood Advisory | PUB | Kiowa | 2 hr |
| Aug 2, 9:34 PM MDT | Areal Flood Advisory | PUB | El Paso, Pueblo | 5 hr |
| Aug 3, 5:20 AM MDT | River Flood Warning | PUB | Pueblo | 78 min |
| Aug 3, 5:26 AM MDT | Flash Flood Watch | PUB | Custer, El Paso, Fremont, Huerfano, Pueblo, Teller | 16 hr |
| Aug 3, 1:35 PM MDT | Areal Flood Advisory | PUB | Las Animas | 3 hr |
| Aug 3, 2:40 PM MDT | Areal Flood Advisory | PUB | Las Animas | 62 min |
| Aug 3, 3:35 PM MDT | Flash Flood Warning | PUB | Las Animas | 3 hr |
| Aug 3, 3:50 PM MDT | Areal Flood Advisory | PUB | Fremont | 2 hr |
| Aug 3, 4:19 PM MDT | Severe Thunderstorm Warning | PUB | Custer, Fremont | 41 min |
| Aug 3, 4:47 PM MDT | Flash Flood Warning | PUB | Teller | 2 hr |
| Aug 3, 5:17 PM MDT | Flash Flood Warning | PUB | El Paso, Teller | 2 hr |
Nearby
Flash Flood Warnings in Colorado, 2011Every flash flood warning in 2011
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.