Alert archive / Colorado / Flash Flood Warnings in 2004
Flash Flood Warning 30, NWS Pueblo, CO
NWS Pueblo, CO issued this flash flood warning at Aug 18, 2004, 9:27 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
- Aug 18, 2004, 9:27 PM MDT (03:27 UTC)
- Expired
- Aug 19, 2004, 12:30 AM 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 Grand Junction radar (KGJX), 159 km from the middle of the area, began a volume at 03:30 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, 3.5 hours before the alert went out and 184 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
- 516 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 1810 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- -7 m²/s²
- 0-3 km storm-relative helicity
- 40 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 190330 FFWPUB COC015-190630- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE PUEBLO CO 927 PM MDT WED AUG 18 2004 THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A * FLASH FLOOD WARNING FOR... NORTHWESTERN CHAFFEE COUNTY IN CENTRAL COLORADO * UNTIL 1230 AM MDT * AT 926 PM MDT...LOCAL LAW ENFORCEMENT OFFICIALS THE CONTINUED THREAT FOR MUDSLIDES ALONG COTTONWOOD PASS ROAD WEST OF BUENA VISTA. * THE THUNDERSTORM THAT PRODUCED THE HEAVY RAIN HAS MOVED NORTHEAST OF THE REGION. HOWEVER...SHOWERS AND THUNDERSTORMS ARE DEVELOPING TO THE SOUTH OF THE REGION...AND WILL PASS OVER THE COTTONWOOD PASS ROAD AREA IN THE NEXT THREE HOURS. THE ADDITIONAL RAIN MAY INCREASE THE THREAT FOR MUDSLIDES. THIS WARNING EXTENDS THE FLASH FLOOD WARNING ISSUED EARLIER. 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. IF YOUR VEHICLE STALLS IN WATER ABANDON IT IMMEDIATELY AND GO TO HIGHER GROUND. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. LAT...LON 3875 10643 3874 10622 3905 10631 3903 10659 $$
2 follow-up statements
000 WGUS75 KPUB 190444 FFSPUB COC015-190645- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE PUEBLO CO 1040 PM MDT WED AUG 18 2004 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHWEST CHAFFEE COUNTY UNTIL 1245 AM MDT THURSDAY MORNING... LAW ENFORCEMENT REPORTS THAT SOME RAIN IS STILL FALLING ALONG COTTONWOOD PASS ROAD WEST OF BUENA VISTA. DRIER AND MORE STABLE AIR IS MOVING INTO THE REGION...AND THE RAIN WILL CONTINUE TO DECREASE IN INTENSITY. SCATTERED SHOWERS WILL OCCUR OVER THE POTENTIAL MUDSLIDE AREA...BUT THE THREAT FOR HEAVY RAIN HAS DIMINISHED. WATCH FOR ROCKSLIDES AND MUDSLIDES IN STEEP TERRAIN. WHEN DRIVING... SLOW DOWN TO AVOID HITTING ROCKS AND MUD ON THE ROADWAY. $$
000 WGUS75 KPUB 190640 FFSPUB COC015-190700- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE PUEBLO CO 1226 AM MDT THU AUG 19 2004 ...THE FLASH FLOOD WARNING HAS BEEN CANCELED FOR CHAFFEE COUNTY... RAINFALL OVER THE EASTERN SAWATCH MOUNTAINS HAS DECREASED IN INTENSITY AND THE THREAT OF FLASH FLOODING HAS ENDED. ACCORDING TO CHAFFEE COUNTY SHERIFF COTTONWOOD PASS ROAD REMAINS CLOSED DUE TO A MUD SLIDE THAT OCCURRED WEDNESDAY EVENING. LIGHT RAIN WILL CONTINUE TO FALL OVER CHAFFEE COUNTY OVERNIGHT WITH THE COVERAGE AND INTENSITY DECREASING. WHILE THE THREAT OF FLASH FLOODING HAS ENDED THERE MAY STILL BE SOME LOW AREAS AND NARROW PASSES WHERE WATER MAY BE STANDING ON THE ROAD WAY OR WHERE SMALL CREEKS AND STREAMS ARE RUNNING FAST. DO NOT DRIVE OR WALK INTO WATER OF UNKNOWN DEPTH. 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. 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. WATCH FOR ROCKSLIDES AND MUDSLIDES IN STEEP TERRAIN. $$
The office that day
Everything else NWS Pueblo, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 18, 6:32 PM MDT | Flash Flood Warning | PUB | Chaffee | 3 hr |
| Aug 18, 8:50 PM MDT | Flash Flood Warning | PUB | Otero | 3 hr |
| Aug 18, 9:44 PM MDT | Flash Flood Warning | PUB | Crowley | 4 hr |
| Aug 18, 11:12 PM MDT | Flash Flood Warning | PUB | Bent | 3 hr |
| Aug 18, 11:32 PM MDT | Flash Flood Warning | PUB | Otero | 3 hr |
| Aug 19, 4:30 AM MDT | Flash Flood Warning | PUB | Crowley | 3 hr |
Nearby
Flash Flood Warnings in Colorado, 2004Every flash flood warning in 2004
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.