Alert archive / Colorado / Flash Flood Warnings in 2007
Flash Flood Warning 4, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this flash flood warning at Jun 12, 2007, 11:15 AM MDT for Phillips 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 counties it named.
The facts
- Issued
- Jun 12, 2007, 11:15 AM MDT (17:15 UTC)
- Expired
- Jun 12, 2007, 1:15 PM MDT
- In force
- 2 hr
- Issued by
- NWS Denver/Boulder, CO
- Area
- Whole counties
County Phillips County, CO
The radar
The Goodland radar (KGLD), 148 km from the middle of the area, began a volume at 17:14 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 12:00Z, 5.3 hours before the alert went out and 109 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
- 77 J/kg
- Mixed-layer CIN
- -75 J/kg
- Mixed-layer LCL
- 2316 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- -12 m²/s²
- 0-3 km storm-relative helicity
- 42 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 121717 FFWBOU COC095-121915- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE DENVER CO 1115 AM MDT TUE JUN 12 2007 THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A * FLASH FLOOD WARNING FOR... EASTERN PHILLIPS COUNTY IN NORTHEAST COLORADO * UNTIL 115 PM MDT * AT 1115 AM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN FROM A THUNDERSTORM 2 MILES NORTH OF PLEASANT VALLEY...OR ABOUT 11 MILES EAST OF HOLYOKE. THIS STORM WAS MOVING NORTH AT 20 MPH. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO PLEASANT VALLEY AND AMHERST. DOPPLER RADAR ESTIMATES THAT UP TO ONE INCH OF RAIN HAS FALLEN IN THE PAST 20 MINUTES OVER EASTERN PORTIONS OF PHILLIPS COUNTY. THIS RAIN WAS FALLING OVER AN AREA THAT RECEIVED FROM 2 TO 5 INCHES OF RAIN LAST NIGHT. 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. TURN AROUND...DO NOT DROWN. EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...NORMALLY DRY WASHES AND ARROYOS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. LAT...LON 4074 10221 4045 10222 4046 10206 4075 10207 $$ RPK
2 follow-up statements
000 WGUS75 KBOU 121742 FFSBOU FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DENVER CO 1136 AM MDT TUE JUN 12 2007 COC095-121915- PHILLIPS CO- 1136 AM MDT TUE JUN 12 2007 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 115 PM MDT FOR EASTERN PHILLIPS COUNTY... AT 1136 AM MDT...THE PUBLIC REPORTED FROM 1.5 TO 2 INCHES OF RAIN HAD FALLEN OVER EASTERN PHILLIPS COUNTY IN LESS THAN 30 MINUTES. THIS RAIN HAD FALLEN OVER AREAS THAT HAD RECEIVED FROM 2 TO 5 INCHES OF RAIN LAST NIGHT. ADDITIONAL THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL WILL MOVE FROM NORTHERN YUMA COUNTY ACROSS PHILLIPS COUNTY DURING THE NEXT HOUR. LOCATIONS REMAINING IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO PLEASANT VALLEY AND AMHERST. EXCESSIVE RUNOFF FROM THESE STORMS WILL CONTINUE TO CAUSE FLASH FLOODING OF ESPECIALLY ALONG FRENCHMAN AND WILDHORSE CREEKS...COUNTRY ROADS AND NORMALLY DRY WASHES AND ARROYOS. A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM MDT TUESDAY EVENING FOR NORTHEAST COLORADO. LAT...LON 4074 10221 4045 10222 4046 10206 4075 10207 $$ RPK
000 WGUS75 KBOU 121815 FFSBOU FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DENVER CO 1210 PM MDT TUE JUN 12 2007 COC095-121915- PHILLIPS CO- 1210 PM MDT TUE JUN 12 2007 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 115 PM MDT FOR EASTERN PHILLIPS COUNTY... AT 1210 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING VERY HEAVY RAIN OVER CENTRAL AND EASTERN PORTIONS OF PHILLIPS COUNTY. THE STORMS WERE MOVING NORTH AT 20 MPH. LOCATIONS REMAINING IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO PLEASANT VALLEY AND AMHERST. DOPPLER RADAR ESTIMATES THAT 2 TO 3 INCHES OF RAIN HAS FALLEN IN THE PAST HOUR OVER EASTERN PORTIONS OF PHILLIPS COUNTY FROM JUST EAST OF AMHERST TO PLEASANT VALLEY. THIS AREA RECEIVED FROM 2 TO 5 INCHES OF RAIN LAST NIGHT. EXCESSIVE RUNOFF FROM THESE STORMS WILL CONTINUE TO CAUSE FLASH FLOODING OF WILDHORSE AND FRENCHMAN CREEKS...COUNTRY ROADS...NORMALLY DRY WASHES AND ARROYOS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM MDT TUESDAY EVENING FOR NORTHEAST COLORADO. LAT...LON 4074 10221 4045 10222 4046 10206 4075 10207 $$ RPK
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 11, 8:05 PM MDT | Severe Thunderstorm Warning | BOU | Phillips | 25 min |
| Jun 11, 8:58 PM MDT | Flash Flood Warning | BOU | Sedgwick | 3 hr |
| Jun 11, 10:24 PM MDT | Severe Thunderstorm Warning | BOU | Phillips | 19 min |
| Jun 12, 9:23 AM MDT | Flash Flood Watch | BOU | Logan, Phillips, Sedgwick | 16 hr |
| Jun 12, 11:46 AM MDT | Flash Flood Warning | BOU | Sedgwick | 3 hr |
| Jun 12, 1:14 PM MDT | Flash Flood Warning | BOU | Phillips | 3 hr |
| Jun 12, 2:41 PM MDT | Flash Flood Warning | BOU | Sedgwick | 94 min |
| Jun 12, 4:14 PM MDT | Flash Flood Warning | BOU | Phillips, Sedgwick | 6 hr |
| Jun 12, 4:36 PM MDT | Severe Thunderstorm Warning | BOU | Elbert | 39 min |
| Jun 12, 5:13 PM MDT | Severe Thunderstorm Warning | BOU | Elbert | 47 min |
Nearby
Flash Flood Warnings in Colorado, 2007Every flash flood warning in 2007
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.