Alert archive / Colorado / Flash Flood Warnings in 2002

Flash Flood Warning 10, NWS Pueblo, CO

July 22, 2002Chaffee County, Colorado

NWS Pueblo, CO issued this flash flood warning at Jul 22, 2002, 7:10 PM MDT for Chaffee 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
Jul 22, 2002, 7:10 PM MDT (01:10 UTC)
Expired
Jul 22, 2002, 10:00 PM MDT
In force
3 hr
Issued by
NWS Pueblo, CO
Area
Counties, with a storm outline in the text

County Chaffee County, CO

The radar

The Pueblo radar (KPUX), 173 km from the middle of the area, began a volume at 01:10 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.

The nearest sounding before it

Grand Junction, CO (KGJT), launched 00:00Z, 1.2 hours before the alert went out and 208 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.

Skew-T log-pSkew-T log-p diagram, Grand Junction, CO at 00:00Z on 2002-07-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 183 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Grand Junction, CO at 00:00Z on 2002-07-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -13 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
183 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
3702 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
-13 m²/s²
0-3 km storm-relative helicity
-33 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS55 KPUB 230110
FFWPUB
COC015-230400-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
706 PM MDT MON JUL 22 2002

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CHAFFEE COUNTY IN CENTRAL COLORADO

* UNTIL 1000 PM MDT

* AT 705 PM...REPORTS FROM EMERGENCY MANAGEMENT OFFICIALS INDICATE   
  FLOODING IS OCCURRING ON COTTONWOOD CREEK SOUTHWEST OF BUENA      
  VISTA. 3 MUDSLIDES HAVE BEEN REPORTED AND THERE ARE UNCONFIRMED    
  REPORTS OF VEHICLES BEING WASHED INTO THE CREEK.

* PEOPLE ARE STRONGLY ENCOURAGED TO STAY OFF ROADWAY 306 SOUTHWEST   
  OF BUENA VISTA. THIS IS A DANGEROUS FLOODING SITUATION.

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. IF YOUR VEHICLE STALLS IN WATER ABANDON IT IMMEDIATELY
AND GO TO HIGHER GROUND.

LAT...LON 3891 10603 3864 10601 3858 10629 3890 10630
5 follow-up statements
847 
RWUS32 KPUB 230132
FFSPUB
COC015-230400-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
726 PM MDT MON JUL 22 2002

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1000 PM MDT MONDAY 
EVENING FOR AREAS IN CHAFFEE COUNTY SOUTH AND WEST OF BUENA VISTA...

CONFIRMED REPORTS FROM EMERGENCY MANAGEMENT OFFICIALS INDICATE FLASH 
FLOODING AND MUDSLIDES ARE OCCURRING ON BOTH CHALK CREEK AND 
COTTONWOOD CREEK. ROADWAYS BEING EFFECTED BY THIS DANGEROUS FLOODING 
ARE HIGHWAYS 306 AND 162.

AS OF 728 PM...RADAR INDICATES THE HEAVIEST RAIN IS NOW LOCATED 
SOUTH OF THE FLASH FLOOD REGION...MAINLY 5 TO 15 MILES SOUTH AND 
WEST OF NATHROP.

8 PEOPLE HAVE BEEN INJURED FROM THIS FLASH FLOOD. THERE ARE ALSO 
REPORTS OF PEOPLE MISSING DUE TO THIS FLASH FLOOD.

ALL PEOPLE IN THE FLOOD AREA SHOULD GET TO HIGHER GROUND NOW 
ROADWAYS SOUTH AND WEST OF BUENA VISTA...ESPECIALLY HIGHWAYS 306 AND 
162...ARE BEING AFFECTED BY THIS FLASH FLOOD. 

BE ALERT FOR FAST RISING WATER AND BE READY TO TAKE QUICK ACTION IF
NECESSARY. DO NOT DRIVE OR WALK INTO WATER OF UNKNOWN DEPTH. KEEP
CHILDREN AND OTHERS AWAY FROM FAST FLOWING WATER. FLOODING WILL OCCUR
ALONG CREEKS...IN DRAINAGE AREAS...OVER RURAL ROADS...IN NORMALLY DRY
WASHES AND ARROYOS...AND OVER LOW LYING LAND ALONG CREEK BANKS.

LAT...LON 3896 10617 3864 10601 3864 10650 3888 10631
557 
RWUS32 KPUB 230204
FFSPUB
COC015-230400-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
800 PM MDT MON JUL 22 2002

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1000 PM MDT MONDAY 
EVENING FOR CHAFFEE COUNTY SOUTHWEST OF BUENA VISTA...

AT 750 PM...DOPPLER RADAR INDICATES THE HEAVIEST RAIN HAS MOVED OUT 
OF THE FLASH FLOOD AREA. THIS FLASH FLOOD AREA IS AROUND MOUNT 
PRINCETON...WHICH IS LOCATED APPROXIMATELY 12 MILES SOUTHWEST OF 
BUENA VISTA. ROADWAYS AFFECTED BY THE FLOODING AND MUDSLIDES ARE 
COUNTY ROADS 306...ALSO KNOWN AS THE COTTONWOOD PASS ROADWAY...AND 
COUNTY ROAD 162. 

THE CHALK CLIFFS AREA ON THE SOUTHEAST SIDE OF MOUNT PRINCETON IS 
WHERE THE MOST SIGNIFICANT FLOODING AND MUDSLIDES HAVE OCCURRED. 
ROADWAY 162 IS LOCATED IN THIS REGION.

AT 755 PM...RADAR INDICATED THE HEAVIEST RAIN WAS LOCATED 10 MILES 
WEST OF SALIDA...WHICH IS 20 MILES SOUTH-SOUTHWEST OF BUENA VISTA. 
THE RAIN IS MOVING TO THE SOUTH AT 10 MPH.

AN EVACUATION CENTER HAS BEEN OPENED UP IN THE BUENA VISTA  
COMMUNITY CENTER FOR PEOPLE WHO HAVE BEEN AFFECTED BY THIS FLASH 
FLOOD EVENT.

LAT...LON 3890 10607 3864 10601 3859 10636 3886 10638
861 
RWUS32 KPUB 230233
FFSPUB
COC015-230400-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
820 PM MDT MON JUL 22 2002

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1000 PM MDT MONDAY 
EVENING FOR THE MOUNT PRINCETON AREA IN CHAFFEE COUNTY...

AT 821 PM...DOPPLER RADAR INDICATED ONLY LIGHT STEADY RAIN WAS 
FALLING IN CHAFFEE COUNTY. BASED ON CURRENT WEATHER DATA...NO MORE 
HEAVY RAIN IS EXPECTED TO FALL IN CHAFFEE COUNTY THIS EVENING. 

NO NEW REPORTS OF FLOODING INFORMATION HAS BEEN RECEIVED AS OF 830 
PM.

RECAPPING...FLASH FLOODING AND ROCK SLIDES HAVE OCCURRED ALONG 
COUNTY ROADS 306 AND 162 IN CHAFFEE COUNTY AT THE BASE OF MOUNT 
PRINCETON. 8 INJURIES HAVE BEEN REPORTED. 

THE RED DEER RAWS REMOTE FIRE WEATHER STATION...LOCATED IN CHAFFEE 
COUNTY JUST NORTH OF COTTONWOOD CREEK APPROXIMATELY 8 MILES WEST OF 
BUENA VISTA...MEASURED 1.15 INCHES OF RAIN WITH THIS STORM BETWEEN 
600 PM AND 800 PM. MOST OF THE HEAVIEST RAIN LIKELY OCCURRED BETWEEN 
630 AND 730 PM. 


LAT...LON 3892 10607 3856 10596 3857 10640 3891 10643
861 
RWUS32 KPUB 230312
FFSPUB
COC015-230400-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
853 PM MDT MON JUL 22 2002

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1000 PM MDT MONDAY 
EVENING FOR THE MOUNT PRINCETON AREA IN CHAFFEE COUNTY...

AT 855 PM...DOPPLER RADAR INDICATES ONLY LIGHT STEADY RAIN FALLING 
IN CHAFFEE COUNTY IN THE REGION IN AND AROUND MOUNT PRINCETON. BASED 
ON CURRENTLY METEOROLOGICAL DATA...NO MORE HEAVY RAIN IS ANTICIPATED 
TONIGHT IN CHAFFEE COUNTY. 

LATEST REPORTS...AS OF 845 PM...FROM THE COUNTY SHERIFF INDICATE 
ONLY 2 PEOPLE HAVE BEEN INJURED FROM THIS EVENT. IT WAS EARLIER 
REPORTED THAT 8 PEOPLE WERE INJURED. 

MAJOR MUDSLIDES HAVE OCCURRED ALONG ROADWAYS 306 AND 162 IN CHAFFEE 
COUNTY AT THE BASE OF MOUNT PRINCETON. A MUDSLIDE 15 TO 20 FEET 
DEEP...100 TO 200 YARDS WIDE HAS BURIED COUNTY ROAD 306. THIS 
MUDSLIDE OCCURRED APPROXIMATELY 6 MILES WEST OF BUENA VISTA. A 
SMALLER MUDSLIDE...4 FEET DEEP...HAS OCCURRED ALONG ROADWAY 162 
APPROXIMATELY 10 MILES SOUTHWEST OF BUENA VISTA. 

ALTHOUGH NO HEAVY RAIN IS OCCURRING IN CHAFFEE COUNTY AS OF 855 
PM...IT IS UNKNOWN IF RUNOFF CAPABLE OF PRODUCING FLASH FLOODING IS 
OCCURRING AT THIS TIME. FOR THIS REASON...THIS FLASH FLOOD 
WARNING WILL REMAIN IN EFFECT UNTIL 10 PM MDT.


LAT...LON 3894 10593 3858 10600 3860 10644 3892 10634
717 
RWUS32 KPUB 230358
FFSPUB
COC015-230415-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
1000 PM MDT MON JUL 22 2002

...A FLASH FLOOD WARNING WHICH WAS IN EFFECT FOR THE...

   MOUNT PRINCETON AREA IN CHAFFEE COUNTY...

HAS EXPIRED...

AT 955 PM...RADAR INDICATED NO RAINFALL WAS OCCURRING IN CHAFFEE 
COUNTY. NO HEAVY RAIN HAS OCCURRED IN THE COUNTY SINCE 800 PM THIS 
EVENING. NO NEW REPORTS OF FLOODING OR MUDSLIDES HAVE BEEN REPORTED 
TO THE NATIONAL WEATHER SERVICE OFFICE IN PUEBLO. IN ADDITION...NO 
ADDITIONAL RAINFALL IS EXPECTED OVER CHAFFEE COUNTY TONIGHT. FOR 
THIS REASON...THE FLASH FLOOD WARNING HAS BEEN ALLOWED TO EXPIRE FOR 
THE MOUNT PRINCETON AREA IN CHAFFEE COUNTY. 

LAT...LON 3890 10602 3867 10607 3865 10649 3887 10637

The office that day

Everything else NWS Pueblo, CO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 23, 2:51 PM MDTSevere Thunderstorm WarningPUBTeller54 min

Nearby

Flash Flood Warnings in Colorado, 2002Every flash flood warning in 2002

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.