Alert archive / Colorado / Flash Flood Warnings in 2006
Flash Flood Warning 21, NWS Goodland, KS
NWS Goodland, KS issued this flash flood warning at Aug 18, 2006, 8:19 PM MDT for Cheyenne County, Kit Carson County, Colorado; Wallace County, Kansas. It was in force for 86 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 18, 2006, 8:19 PM MDT (02:19 UTC)
- Expired
- Aug 18, 2006, 9:45 PM MDT
- In force
- 86 min
- Issued by
- NWS Goodland, KS
- Area
- Counties, with a storm outline in the text
Counties Cheyenne County, CO, Kit Carson County, CO, Wallace County, KS
The radar
The Goodland radar (KGLD), 51 km from the middle of the area, began a volume at 02:21 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 18, 8:22 PM MDT | FLASH FLOOD | 14 Sse Burlington, CO | 1.5 FEET OF RUNNING WATER ACROSS COUNTY ROAD C. 6 TO 8 INCHES OF RUNNING WATER ACROSS COUNTY ROAD 54. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Denver, CO (KDNR), launched 00:00Z, 2.3 hours before the alert went out and 126 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
- 303 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 1301 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- -16 m²/s²
- 0-3 km storm-relative helicity
- 58 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS53 KGLD 190223
FFWGLD
COC017-063-KSC199-190345-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GOODLAND KS
819 PM MDT FRI AUG 18 2006
THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHEASTERN CHEYENNE COUNTY IN EAST CENTRAL COLORADO
SOUTHEASTERN KIT CARSON COUNTY IN EAST CENTRAL COLORADO
NORTHWESTERN WALLACE COUNTY IN WEST CENTRAL KANSAS
* UNTIL 945 PM MDT
* AT 816 PM MDT...TRAINED WEATHER SPOTTERS REPORTED FLASH FLOODING
FROM AN AREA OF HEAVY RAIN ACROSS EXTREME NORTHEASTERN CHEYENNE
COUNTY...EXTREME NORTHWEST WALLACE AND SOUTHEAST KIT CARSON
COUNTY. TRAINED SPOTTERS REPORTED A FOOT AND A HALF OF WATER
RUNNING OVER COUNTY ROAD C IN SOUTHEAST KIT CARSON COUNTY. THIS
EVENINGS HEAVY RAIN MAY CAUSE SMALL CREEKS TO RUN OUT OF THEIR
BANKS IN THE NEXT HOUR ACROSS THE WARNED AREA.
* FLASH FLOODING WILL REMAIN OVER RURAL AREAS.
THIS INCLUDES HIGHWAY 385 BETWEEN MILE MARKERS 166 AND 180.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
LAT...LON 3897 10230 3901 10192 3915 10196 3922 10217
3920 10232
$$
JRM2 follow-up statements
000
WGUS73 KGLD 190316
FFSGLD
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
910 PM MDT FRI AUG 18 2006
COC017-KSC199-190320-
CHEYENNE CO-WALLACE KS-
910 PM MDT FRI AUG 18 2006
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR WALLACE AND
CHEYENNE COUNTIES...
RAIN HAS ENDED ACROSS NORTHEAST CHEYENNE COUNTY AND NORTHWEST
WALLACE COUNTY...THEREFORE THE FLASH FLOOD WARNING HAS BEEN
CANCELLED.
LAT...LON 3904 10235 3907 10205 3923 10206 3922 10217
3920 10232
$$
COC063-190345-
KIT CARSON CO-
910 PM MDT FRI AUG 18 2006
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 945 PM MDT FOR
SOUTHEASTERN KIT CARSON COUNTY...
AT 905 PM MDT...MODERATE TO HEAVY RAIN CONTINUES TO FALL ACROSS THE
SOUTHEAST CORNER OF KIT CARSON COUNTY. RADAR ESTIMATES 2 TO 4 INCHES
OF RAIN HAS FALLEN ALONG HIGHWAY 385 BETWEEN MILE MARKERS 170 AND
181. FLOODING OF COUNTY ROADS HAS BEEN REPORTED IN THIS AREA...AND
WITH ADDITIONAL LIGHT TO MODERATE RAIN...ADDITIONAL FLOODING IS STILL
POSSIBLE THROUGH 945 PM MDT.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
GOODLAND.
LAT...LON 3904 10235 3907 10205 3923 10206 3922 10217
3920 10232
$$
JRM000
WGUS73 KGLD 190349
FFSGLD
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
948 PM MDT FRI AUG 18 2006
COC063-190358-
KIT CARSON CO-
948 PM MDT FRI AUG 18 2006
...THE FLASH FLOOD WARNING HAS EXPIRED FOR SOUTHEASTERN KIT CARSON
COUNTY...
HEAVY RAINFALL HAS MOVED NORTH AND WEST AWAY FROM THE WARNED
AREA...THEREFORE THE FLASH FLOOD WARNING HAS BEEN ALLOWED TO EXPIRE.
LAT...LON 3904 10235 3907 10205 3923 10206 3922 10217
3920 10232
$$
JRMThe office that day
Everything else NWS Goodland, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 18, 6:00 PM MDT | Severe Thunderstorm Warning | GLD | Rawlins | 45 min |
| Aug 18, 6:01 PM MDT | Severe Thunderstorm Warning | GLD | Norton | 41 min |
| Aug 18, 8:10 PM MDT | Flash Flood Warning | GLD | Graham, Norton | 95 min |
Nearby
Flash Flood Warnings in Colorado, 2006Flash Flood Warnings in Kansas, 2006Every flash flood warning in 2006
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.