Alert archive / Colorado / Flash Flood Warnings in 2003
Flash Flood Warning 13, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this flash flood warning at Jul 19, 2003, 6:40 PM MDT for Jefferson 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 19, 2003, 6:40 PM MDT (00:40 UTC)
- Expired
- Jul 19, 2003, 9:45 PM MDT
- In force
- 3 hr
- Issued by
- NWS Denver/Boulder, CO
- Area
- Counties, with a storm outline in the text
County Jefferson County, CO
The radar
The Denver radar (KFTG), 76 km from the middle of the area, began a volume at 00:41 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 00:00Z, 0.7 hours before the alert went out and 181 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
- 1216 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 2545 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- -2 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 KBOU 200044 FFWBOU COC059-200345- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE DENVER CO 640 PM MDT SAT JUL 19 2003 THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A * FLASH FLOOD WARNING FOR... SOUTH CENTRAL JEFFERSON COUNTY IN NORTHEAST COLORADO...INCLUDING THE BUFFALO CREEK AREA. * UNTIL 945 PM MDT * AT 640 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN OVER BUFFALO CREEK. THE STORM PRODUCING THE HEAVY RAIN WAS MOVING SOUTHEAST AT 20 MPH. LOCATIONS IN THE WARNING INCLUDE...BUT ARE NOT LIMITED TO...BUFFALO CREEK AND SOUTH PLATTE. RADAR INDICATED UP TO 2 INCHES OF RAIN HAVE FALLEN IN THE BUFFALO CREEK AREA AND LEADING SOUTHEAST THROUGH SAND DRAW AND SPRING CREEK. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE. IF YOUR VEHICLE STALLS ABANDON IT IMMEDIATELY AND SEEK HIGHER GROUND. EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF CREEKS AND STREAMS...ROADS...AND ROADSIDE CULVERTS. THE HEAVY RAINS COULD ALSO TRIGGER ROCK AND MUDSLIDES IN THE BUFFALO CREEK BURN AREA. LAT...LON 3938 10531 3933 10527 3937 10517 3941 10518 $$ ENTREKIN
1 follow-up statement
000 WGUS75 KBOU 200218 FFSBOU COC059-200230- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DENVER CO 809 PM MDT SAT JUL 19 2003 THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR SOUTH CENTRAL JEFFERSON COUNTY AND BUFFALO CREEK AREA HAS BEEN CANCELLED. AT 809 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED HEAVY RAIN HAS ENDED ACROSS THE BUFFALO CREEK AREA. RADAR INDICATED IN EXCESS OF 2 INCHES OF RAIN HAD FALLEN OVER THE BUFFALO CREEK AREA. COUNTY OFFICIALS REPORTED NO FLOODING PROBLEMS IN THE BUFFALO CREEK AREA. JEFFERSON COUNTY OFFICIALS ALSO REPORTED POSSIBLE STREAM FLOODING ALONG BRUSH CREEK...JUST SOUTH OF TRUMBULL AND NORTH OF DECKERS. NO ADDITIONAL INFORMATION IS AVAILABLE AT THIS TIME. STAY TUNED FOR FURTHER STATEMENTS. LAT...LON 3938 10531 3933 10527 3937 10517 3941 10518 $$ ENTREKIN
Nearby
Flash Flood Warnings in Colorado, 2003Every flash flood warning in 2003
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.