Alert archive / Colorado / Flash Flood Warnings in 2007
Flash Flood Warning 19, NWS Pueblo, CO
NWS Pueblo, CO issued this flash flood warning at Jul 21, 2007, 9:42 PM MDT for Chaffee County, Colorado. It took effect at Jul 21, 2007, 9:52 PM MDT. 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 counties it named.
The facts
- Issued
- Jul 21, 2007, 9:42 PM MDT (03:42 UTC)
- In effect from
- Jul 21, 2007, 9:52 PM MDT
- Expired
- Jul 22, 2007, 12:45 AM MDT
- In force
- 3 hr
- Issued by
- NWS Pueblo, CO
- Area
- Whole counties
County Chaffee County, CO
The radar
The Pueblo radar (KPUX), 178 km from the middle of the area, began a volume at 03:45 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, 3.7 hours before the alert went out and 204 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
- 4073 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- 48 m²/s²
- 0-3 km storm-relative helicity
- 17 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS55 KPUB 220352 FFWPUB COC015-220645- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE PUEBLO CO 942 PM MDT SAT JUL 21 2007 THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A * FLASH FLOOD WARNING FOR... CENTRAL CHAFFEE COUNTY IN CENTRAL COLORADO... * UNTIL 1245 AM MDT... * AT 940 PM MDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED SEVERE MUD SLIDES OVER PORTIONS OF COUNTY ROADS 162 AND 292...IN THE VICINITY OF ALPINE AND SAINT ELMO...IN CENTRAL CHAFFEE COUNTY. THIS AREA IS LOCATED ALONG CHALK CREEK...IN THE MOUNTAINS WEST OF NATHROP. * THE STORM PRODUCING FLASH FLOODING WILL PRODUCE ANOTHER 3 TO 8 TENTHS OF AN INCH OF RAINFALL BY 11 PM MDT. DOPPLER RADAR ESTIMATES INDICATE THAT RAIN TOTALS OF 1.0 TO 1.5 INCHES OF RAINFALL OCCURRED OVER THE AREA BETWEEN 630 AND 930 PM MDT. ADDITIONAL RAINFALL AMOUNTS BETWEEN 3 AND 8 TENTHS OF AN INCH ARE EXPECTED IN THAT AREA BY 11 PM MDT. THIS AMOUNT OF RAIN WILL LIKELY LEAD TO FLASH FLOODING AND ADDITIONAL MUD SLIDES. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN OR CLOSE TO THE WARNED AREA GO TO HIGHER GROUND IMMEDIATELY. PEOPLE ALONG CREEKS AND DRAINAGE AREAS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATER OR STILL WATER OF UNKNOWN DEPTH ON FOOT OR BY VEHICLE. AS LITTLE AS 6 INCHES OF WATER MAY CAUSE YOU TO LOSE CONTROL OF YOUR VEHICLE...AND 2 FEET OF RUSHING WATER CAN CARRY AWAY MOST VEHICLES...INCLUDING SUVS AND PICKUPS. NEARLY HALF OF ALL FLOOD FATALITIES ARE VEHICLE RELATED. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN. JUST A SMALL AMOUNT OF RAINFALL IN STEEP...SATURATED TERRAIN CAN LEAD TO FLASH FLOODING. WATER THAT IS NORMALLY ABSORBED BY THE SOIL...RUNS OFF ALMOST INSTANTLY. THIS CAUSES CREEKS AND DRAINAGE AREAS TO FLOOD AT A MUCH FASTER RATE THAN NORMAL. ADDITIONALLY...THE SOILS BECOME VERY UNSTABLE...RESULTING IN MUD FLOWS AND FALLING ROCK. ROADWAYS CAN BE WASHED OUT BY THE FORCE OF THE RUSHING WATER. LAT...LON 3869 10642 3865 10619 3876 10619 3879 10641 $$
1 follow-up statement
000 WGUS75 KPUB 220504 FFSPUB FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE PUEBLO CO 1100 PM MDT SAT JUL 21 2007 COC015-220645- CHAFFEE CO- 1100 PM MDT SAT JUL 21 2007 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1245 AM MDT FOR CENTRAL CHAFFEE COUNTY... AT 11 PM MDT...RADAR INDICATED THAT RAINFALL HAD JUST ABOUT ENDED OVER CENTRAL CHAFFEE COUNTY. HOWEVER...FLOODING AND MUD SLIDES CONTINUED ALONG ROADS 162 AND 292...NEAR ALPINE AND SAINT ELMO...IN CENTRAL CHAFFEE COUNTY. THIS AREA IS LOCATED ALONG CHALK CREEK... SOUTHWEST OF MOUNT PRINCETON...IN THE MOUNTAINS WEST OF NATHROP. LOCAL LAW ENFORCEMENT OFFICIALS REPORTED SEVERE MUD SLIDES OVER PORTIONS OF COUNTY ROADS 162 AND 292...IN THE VICINITY OF ALPINE AND SAINT ELMO...IN CENTRAL CHAFFEE COUNTY...SHORTLY BEFORE 10 PM THIS EVENING. REPORTS ESTIMATED MUD SLIDES 7 TO 8 FEET DEEP OVER PORTIONS OF ROADS 162 AND 292...SEVERE PROPERTY DAMAGE..AND VEHICLES MOVED. NO KNOWN INJURIES OR DEATHS HAD OCCURRED. OFFICIALS ORDERED THE AREA EVACUATED. RAIN SHOWERS IN THE AREA WERE TAPERING OFF. LITTLE TO NO ADDITIONAL RAINFALL IS EXPECTED FOR THE REMAINDER OF THE NIGHT. DOPPLER RADAR ESTIMATES INDICATE THAT RAINFALL TOTALS OF 1.0 TO 1.5 INCHES OCCURRED OVER THE AREA BETWEEN 630 AND 930 PM MDT SATURDAY EVENING. ADDITIONAL RAINFALL AMOUNTS...BETWEEN 930 AND 1100 PM SATURDAY EVENING WERE LIGHT...GENERALLY LESS THAN A TENTH OF AN INCH. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN OR CLOSE TO THE WARNED AREA GO TO HIGHER GROUND IMMEDIATELY. PEOPLE ALONG CREEKS AND DRAINAGE AREAS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATER OR STILL WATER OF UNKNOWN DEPTH ON FOOT OR BY VEHICLE. AS LITTLE AS 6 INCHES OF WATER MAY CAUSE YOU TO LOSE CONTROL OF YOUR VEHICLE...AND 2 FEET OF RUSHING WATER CAN CARRY AWAY MOST VEHICLES...INCLUDING SUVS AND PICKUPS. NEARLY HALF OF ALL FLOOD FATALITIES ARE VEHICLE RELATED. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN. JUST A SMALL AMOUNT OF RAINFALL IN STEEP...SATURATED TERRAIN CAN LEAD TO FLASH FLOODING. WATER THAT IS NORMALLY ABSORBED BY THE SOIL...RUNS OFF ALMOST INSTANTLY. THIS CAUSES CREEKS AND DRAINAGE AREAS TO FLOOD AT A MUCH FASTER RATE THAN NORMAL. ADDITIONALLY...THE SOILS BECOME VERY UNSTABLE...RESULTING IN MUD FLOWS AND FALLING ROCK. ROADWAYS CAN BE WASHED OUT BY THE FORCE OF THE RUSHING WATER. LAT...LON 3869 10642 3865 10619 3876 10619 3879 10641 $$
The office that day
Everything else NWS Pueblo, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 22, 5:55 PM MDT | Severe Thunderstorm Warning | PUB | Alamosa, Costilla | 65 min |
Nearby
Flash Flood Warnings in Colorado, 2007Every flash flood warning in 2007
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.