Alert archive / Colorado / Flash Flood Warnings in 2002

Flash Flood Warning 17, NWS Denver/Boulder, CO

September 8, 2002Lincoln County, Colorado

NWS Denver/Boulder, CO issued this flash flood warning at Sep 8, 2002, 7:01 PM MDT for Lincoln 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 as issued.

The facts

Issued
Sep 8, 2002, 7:01 PM MDT (01:01 UTC)
Expired
Sep 8, 2002, 9:30 PM MDT
In force
2 hr
Issued by
NWS Denver/Boulder, CO
Area
Counties, with a storm outline in the text

County Lincoln County, CO

The radar

The Denver radar (KFTG), 99 km from the middle of the area, began a volume at 01:01 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, 1.0 hours before the alert went out and 65 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, Denver, CO at 00:00Z on 2002-09-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 115 joules per kilogram.LCLLFCEL10008507005003002001001 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, Denver, CO at 00:00Z on 2002-09-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 70 square meters per square second.19395878Sfc1 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
115 J/kg
Mixed-layer CIN
-63 J/kg
Mixed-layer LCL
1647 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
70 m²/s²
0-3 km storm-relative helicity
163 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

000 
WGUS55 KBOU 090101
FFWDEN
COC073-090330-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE DENVER CO
700 PM MDT SUN SEP 8 2002

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTH CENTRAL LINCOLN COUNTY IN EAST CENTRAL COLORADO
  THIS INCLUDES THE CITY OF LIMON

* UNTIL 930 PM MDT

* AT 657 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN OVER LIMON...OR ABOUT 3 MILES SOUTH OF LIMON. THE
  STORM PRODUCING THE HEAVY RAIN WAS MOVING NORTHEAST AT 10 MPH.

LOCATIONS IN THE WARNING INCLUDE...BUT ARE NOT LIMITED TO...LIMON.

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 4 TO 5 INCHES OF RAIN HAS FALLEN OVER 
THE SOUTHERN LIMON SINCE 540 PM MDT.  

LAT...LON 3929 10371 3912 10371 3929 10351 3936 10341
          3945 10334 3953 10343 3941 10357

RJK
2 follow-up statements
000 
WGUS55 KBOU 090151
FFSDEN
COC073-090330-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
750 PM MDT SUN SEP 8 2002

...THE NATIONAL WEATHER IS CONTINUING A FLASH FLOOD WARNING FOR 
NORTH CENTRAL LINCOLN COUNTY UNTIL 930 PM MDT...

AT 750 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
HEAVY RAIN PRODUCING THUNDERSTORMS CONTINUING OVER THE WARNING AREA 
IN NORTH CENTRAL LINCOLN COUNTY INCLUDING THE LIMON AREA.  THE 
THUNDERSTORMS WERE MOVING SLOWLY AT ABOUT 5 MILES PER HOUR TO THE 
NORTHEAST. 

LOCATIONS IN THE WARNING INCLUDE...BUT ARE NOT LIMITED TO...LIMON.

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 5 TO 6 INCHES OF RAIN HAS FALLEN OVER 
SOUTHERN LIMON AND JUST SOUTHWEST OF LIMON SINCE 540 PM MDT.  

LAT...LON 3929 10371 3912 10371 3929 10351 3936 10341
          3945 10334 3953 10343 3941 10357

RJK
000 
WGUS55 KBOU 090250
FFSDEN
COC073-090330-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
850 PM MDT SUN SEP 8 2002

...A FLASH FLOOD WARNING CONTINUES FOR NORTH CENTRAL LINCOLN COUNTY 
UNTIL 930 PM MDT...

AT 847 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THUNDERSTORMS HAD WEAKENED OVER THE WARNING AREA IN NORTH CENTRAL 
LINCOLN COUNTY INCLUDING THE LIMON AREA.  HOWEVER ADDITIONAL 
THUNDERSTORMS WERE REDEVELOPING OVER EAST CENTRAL ELBERT COUNTY AND 
MAY MOVE INTO THE NORTH CENTRAL LINCOLN COUNTY BY 930 PM.

LOCATIONS IN THE WARNING INCLUDE...BUT ARE NOT LIMITED TO...LIMON.

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 7 TO 8 INCHES OF RAIN HAS FALLEN JUST 
TO THE SOUTH AND SOUTHWEST OF LIMON ALONG HIGHWAY 71 SINCE 540 PM 
MDT.  

LAT...LON 3929 10371 3912 10371 3929 10351 3936 10341
          3945 10334 3953 10343 3941 10357

KLEYLA

The office that day

Everything else NWS Denver/Boulder, CO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 8, 7:32 PM MDTFlash Flood WarningBOUElbert2 hr
Sep 8, 9:35 PM MDTFlash Flood WarningBOUElbert, Lincoln2 hr

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.