Alert archive / Colorado / Flash Flood Warnings in 2001
Flash Flood Warning 13, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this flash flood warning at Jul 14, 2001, 5:36 PM MDT for Logan County, Colorado. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.
The facts
- Issued
- Jul 14, 2001, 5:36 PM MDT (23:36 UTC)
- Expired
- Jul 14, 2001, 8:00 PM MDT
- In force
- 2 hr
- Issued by
- NWS Denver/Boulder, CO
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Logan County, CO
The nearest sounding before it
Denver, CO (KDNR), launched 12:00Z, 11.6 hours before the alert went out and 106 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
- 1429 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- -6 m²/s²
- 0-3 km storm-relative helicity
- -25 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 142342
FFWBOU
COC075-150200-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE DENVER CO
536 PM MDT SAT JUL 14 2001
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHERN LOGAN COUNTY IN NORTHEAST COLORADO
* UNTIL 800 PM MDT
* AT 538 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
VERY HEAVY RAIN OVER PADRONI...OR ABOUT 13 MILES NORTH OF STERLING.
THE STORM PRODUCING THE HEAVY RAIN WAS MOVING EAST AT 5 MPH.
LOCATIONS IN THE WARNING INCLUDE...BUT ARE NOT LIMITED TO...CROOK...
ILIFF...NORTH STERLING RESERVOIR...PADRONI...PEETZ...PROCTOR...TWIN
BUTTES AND WESTPLAINS.
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.
DOPPLER RADAR ESTIMATES THAT AROUND 3 INCHES OF RAIN HAS FALLEN FROM
THIS STORM IN THE LAST HOUR.
LOGAN COUNTY SHERIFF HAS ALSO REPORTED HIGHWAY 113 3 MILES EAST OF
PADRONI UNDER A FOOT OF WATER.
EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY8
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER
LOW LYING AREAS ARE SUBJECT TO FLASH FLOODING.
LAT...LON 4077 10356 4070 10329 4069 10296 4075 10281
4083 10270 4098 10273 4098 10311 4090 10356
BAKER4 follow-up statements
000
WGUS55 KBOU 150032
COC075-150200-
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
630 PM MDT SAT JUL 14 2001
A FLASH FLOOD WARNING REMAINS IN EFFECT FOR PEOPLE IN NORTHERN LOGAN
COUNTY IN NORTHEAST COLORADO UNTIL 800 PM MDT.
AT 6:20 PM MDT...THE LOGAN COUNTY SHERIFFS DEPARTMENT REPORTED FLOOD
WATER A HALF FOOT DEEP RUNNING OVER HIGHWAY 138 NEAR ILIFF. AT
ABOUT THE SAME TIME A WEATHER SPOTTER REPORTED 2.3 INCHES OF RAIN
HAD FALLEN IN PADRONI IN THE PAST HOUR.
AT 5:32 PM MDT...THE SHERIFF DEPARTMENT ALSO REPORTED FLOOD WATER A
FOOT DEEP RUNNING OVER LOGAN COUNTY ROAD 48 AND HIGHWAY 113 3 MILES
EAST OF PADRONI. THE STORM PRODUCING THE TORRENTIAL RAINFALL WAS
MOVING VERY SLOWLY TO THE EAST AT 5 MPH.
LOCATIONS IN THE WARNING INCLUDE...BUT ARE NOT LIMITED TO...CROOK...
ILIFF...NORTH STERLING RESERVOIR...PADRONI...PEETZ...PROCTOR...TWIN
BUTTES AND WESTPLAINS.
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 SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER
LOW LYING AREAS ARE SUBJECT TO FLASH FLOODING.
LAT...LON 4077 10356 4070 10329 4069 10296 4075 10281 4083 10270
4098 10273 4098 10311 4090 10356
BAKER000
WGUS55 KBOU 150032
FFSDEN
COC075-150200-
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
630 PM MDT SAT JUL 14 2001
A FLASH FLOOD WARNING REMAINS IN EFFECT FOR PEOPLE IN NORTHERN LOGAN
COUNTY IN NORTHEAST COLORADO UNTIL 800 PM MDT.
AT 6:20 PM MDT...THE LOGAN COUNTY SHERIFFS DEPARTMENT REPORTED FLOOD
WATER A HALF FOOT DEEP RUNNING OVER HIGHWAY 138 NEAR ILIFF. AT
ABOUT THE SAME TIME A WEATHER SPOTTER REPORTED 2.3 INCHES OF RAIN
HAD FALLEN IN PADRONI IN THE PAST HOUR.
AT 5:32 PM MDT...THE SHERIFF DEPARTMENT ALSO REPORTED FLOOD WATER A
FOOT DEEP RUNNING OVER LOGAN COUNTY ROAD 48 AND HIGHWAY 113 3 MILES
EAST OF PADRONI. THE STORM PRODUCING THE TORRENTIAL RAINFALL WAS
MOVING VERY SLOWLY TO THE EAST AT 5 MPH.
LOCATIONS IN THE WARNING INCLUDE...BUT ARE NOT LIMITED TO...CROOK...
ILIFF...NORTH STERLING RESERVOIR...PADRONI...PEETZ...PROCTOR...TWIN
BUTTES AND WESTPLAINS.
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 SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER
LOW LYING AREAS ARE SUBJECT TO FLASH FLOODING.
LAT...LON 4077 10356 4070 10329 4069 10296 4075 10281 4083 10270
4098 10273 4098 10311 4090 10356
BAKER000
WGUS55 KBOU 150057
COC075-150200-
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
650 PM MDT SAT JUL 14 2001
A FLASH FLOOD WARNING REMAINS IN EFFECT FOR PEOPLE IN NORTHERN LOGAN
COUNTY IN NORTHEAST COLORADO UNTIL 800 PM MDT.
AT 6:48 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS
INDICATING VERY HEAVY RAINFALL OVER NORTHWEST LOGAN COUNTY ALONG
CEDAR CREEK...OR APPROXIMATELY 15 MILES NORTHWEST OF STERLING
RESERVOIR. THIS STREAM FLOWS INTO THIS RESERVOIR. RADAR HAS
ESTIMATED UP TO 3 INCHES OF RAINFALL IN THIS AREA DURING THE PAST
45 MINUTES.
A SECOND THUNDERSTORM OVER CENTRAL LOGAN COUNTY WAS ALSO PRODUCING
UPWARDS OF 2 TO 3 INCHES OF RAIN PER HOUR IN IN AND AROUND PADRONI
AND ILIFF. IN THE PAST 90 MINUTES FLASH FLOODING WAS REPORTED BY
THE LOGAN COUNTY SHERIFF DEPARTMENT ON HIGHWAY 138 NEAR ILIFF...AND
NEAR THE INTERSECTION OF COUNTY ROAD 48 AND HIGHWAY 113 3 MILES EAST
OF PADRONI.
THE STORMS PRODUCING THE VERY HEAVY RAINFALL WERE MOVING VERY SLOWLY
TO THE EAST AT 5 MPH.
LOCATIONS IN THE WARNING INCLUDE...BUT ARE NOT LIMITED TO...CROOK...
ILIFF...NORTH STERLING RESERVOIR...PADRONI...PEETZ...PROCTOR...TWIN
BUTTES AND WESTPLAINS.
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.
LAT...LON 4077 10356 4070 10329 4069 10296 4075 10281 408t3 10270
4098 10273 4098 10311 4090 10356
BAKER000
WGUS55 KBOU 150057
FFSDEN
COC075-150200-
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
650 PM MDT SAT JUL 14 2001
A FLASH FLOOD WARNING REMAINS IN EFFECT FOR PEOPLE IN NORTHERN LOGAN
COUNTY IN NORTHEAST COLORADO UNTIL 800 PM MDT.
AT 6:48 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS
INDICATING VERY HEAVY RAINFALL OVER NORTHWEST LOGAN COUNTY ALONG
CEDAR CREEK...OR APPROXIMATELY 15 MILES NORTHWEST OF STERLING
RESERVOIR. THIS STREAM FLOWS INTO THIS RESERVOIR. RADAR HAS
ESTIMATED UP TO 3 INCHES OF RAINFALL IN THIS AREA DURING THE PAST
45 MINUTES.
A SECOND THUNDERSTORM OVER CENTRAL LOGAN COUNTY WAS ALSO PRODUCING
UPWARDS OF 2 TO 3 INCHES OF RAIN PER HOUR IN IN AND AROUND PADRONI
AND ILIFF. IN THE PAST 90 MINUTES FLASH FLOODING WAS REPORTED BY
THE LOGAN COUNTY SHERIFF DEPARTMENT ON HIGHWAY 138 NEAR ILIFF...AND
NEAR THE INTERSECTION OF COUNTY ROAD 48 AND HIGHWAY 113 3 MILES EAST
OF PADRONI.
THE STORMS PRODUCING THE VERY HEAVY RAINFALL WERE MOVING VERY SLOWLY
TO THE EAST AT 5 MPH.
LOCATIONS IN THE WARNING INCLUDE...BUT ARE NOT LIMITED TO...CROOK...
ILIFF...NORTH STERLING RESERVOIR...PADRONI...PEETZ...PROCTOR...TWIN
BUTTES AND WESTPLAINS.
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.
LAT...LON 4077 10356 4070 10329 4069 10296 4075 10281 408t3 10270
4098 10273 4098 10311 4090 10356
BAKERThe office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 13, 6:11 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 34 min |
| Jul 13, 7:39 PM MDT | Flash Flood Warning | BOU | Weld | 96 min |
Nearby
Flash Flood Warnings in Colorado, 2001Every flash flood warning in 2001
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.