Alert archive / Colorado / Flash Flood Warnings in 2007
Flash Flood Warning 24, NWS Pueblo, CO
NWS Pueblo, CO issued this flash flood warning at Aug 2, 2007, 12:35 AM MDT for Custer 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 counties it named.
The facts
- Issued
- Aug 2, 2007, 12:35 AM MDT (06:35 UTC)
- Expired
- Aug 2, 2007, 3:30 AM MDT
- In force
- 3 hr
- Issued by
- NWS Pueblo, CO
- Area
- Whole counties
County Custer County, CO
The radar
The Pueblo radar (KPUX), 111 km from the middle of the area, began a volume at 06:37 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, 6.6 hours before the alert went out and 269 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
- 61 J/kg
- Mixed-layer CIN
- -24 J/kg
- Mixed-layer LCL
- 2701 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- -44 m²/s²
- 0-3 km storm-relative helicity
- -18 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 KPUB 020638
FFWPUB
COC027-020930-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
1235 AM MDT THU AUG 2 2007
THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
EASTERN CUSTER COUNTY IN SOUTHEAST COLORADO...
* UNTIL 330 AM MDT...
* AT 1229 AM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR
INDICATED VERY HEAVY RAIN FROM A STORM OVER THE WESTERN PORTIONS
OF THE MASON GULCH BURN SCAR.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO...
THE MASON GULCH BURN SCAR IN EASTERN CUSTER COUNTY.
AND THE MOUNTAINOUS TERRAIN OF EASTERN CUSTER COUNTY.
DOPPLER RADAR ESTIMATES THAT RAIN TOTALS OF UP TO 3 INCHES OF RAIN
HAVE OCCURRED ACROSS EASTERN CUSTER COUNTY AND ADDITIONAL RAINFALL
OF UP TO 2 INCHES IS EXPECTED IN THAT AREA.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN OR CLOSE TO THE WARNED AREA GO TO HIGHER GROUND
IMMEDIATELY. PEOPLE ALONG CREEKS AND DRAINAGE AREAS SHOULD TAKE
IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO
CROSS SWIFTLY FLOWING WATER OR STILL WATER OF UNKNOWN DEPTH ON FOOT
OR BY VEHICLE. AS LITTLE AS 6 INCHES OF WATER MAY CAUSE YOU TO LOSE
CONTROL OF YOUR VEHICLE...AND 2 FEET OF RUSHING WATER CAN CARRY AWAY
MOST VEHICLES...INCLUDING SUVS AND PICKUPS. NEARLY HALF OF ALL FLOOD
FATALITIES ARE VEHICLE RELATED. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN
IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. MAKE THE SMART
CHOICE...TURN AROUND...DONT DROWN.
JUST A SMALL AMOUNT OF RAINFALL ON A BURN SCAR CAN LEAD TO FLASH
FLOODING. WATER THAT IS NORMALLY ABSORBED BY VEGETATION...RUNS OFF
ALMOST INSTANTLY. THIS CAUSES CREEKS AND DRAINAGE AREAS TO FLOOD AT A
MUCH FASTER RATE THAN NORMAL. ADDITIONALLY...THE SOILS IN A BURN SCAR
BECOME UNSTABLE WHEN IT RAINS...RESULTING IN MUD FLOWS AND FALLING
ROCK. ROADWAYS CAN BE WASHED OUT BY THE FORCE OF THE RUSHING WATER.
LAT...LON 3808 10517 3798 10513 3795 10511 3794 10508
3792 10505 3826 10505 3826 10517
$$2 follow-up statements
000
WGUS75 KPUB 020718
FFSPUB
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
114 AM MDT THU AUG 2 2007
COC027-020930-
CUSTER CO-
114 AM MDT THU AUG 2 2007
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 330 AM MDT FOR
NORTHEASTERN CUSTER COUNTY...
AT 111 AM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A STORM PRODUCING VERY HEAVY RAIN OVER THE WESTERN EDGES OF
THE MASON GULCH BURN SCAR.
THUNDERSTORMS WITH EXCESSIVE RAIN WILL REMAIN OVER MAINLY RURAL
AREAS OF NORTHEASTERN CUSTER COUNTY...INCLUDING THE MASON GULCH BURN
SCAR...AND THE MOUNTAINOUS TERRAIN SOUTH AND EAST OF HIGHWAYS 96 AND
165.
DOPPLER RADAR ESTIMATES THAT RAIN TOTALS OF UP TO 4 INCHES HAVE
OCCURRED ACROSS NORTHEAST CUSTER COUNTY AND ADDITIONAL RAINFALL OF
UP TO 2 INCHES IS EXPECTED IN THAT AREA. THE AREA PARTICULARLY
SUSCEPTIBLE TO FLASH FLOODING WILL BE IN AND NEAR THE MASON GULCH
BURN SCAR...INCLUDING NORTH RED CREEK.
JUST A SMALL AMOUNT OF RAINFALL ON A BURN SCAR CAN LEAD TO FLASH
FLOODING. WATER THAT IS NORMALLY ABSORBED BY VEGETATION...RUNS OFF
ALMOST INSTANTLY. THIS CAUSES CREEKS AND DRAINAGE AREAS TO FLOOD AT A
MUCH FASTER RATE THAN NORMAL. ADDITIONALLY...THE SOILS IN A BURN SCAR
BECOME UNSTABLE WHEN IT RAINS...RESULTING IN MUD FLOWS AND FALLING
ROCK. ROADWAYS CAN BE WASHED OUT BY THE FORCE OF THE RUSHING WATER.
LAT...LON 3808 10517 3798 10513 3795 10511 3794 10508
3792 10505 3822 10504 3823 10516
$$000
WGUS75 KPUB 020759
FFSPUB
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
156 AM MDT THU AUG 2 2007
COC027-020930-
CUSTER CO-
156 AM MDT THU AUG 2 2007
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 330 AM MDT FOR
EASTERN CUSTER COUNTY...
AT 153 AM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A STORM PRODUCING VERY HEAVY RAIN OVER THE WARNED AREA.
DOPPLER RADAR ESTIMATES THAT RAIN TOTALS OF UP TO 4 INCHES HAVE
OCCURRED ACROSS WESTERN PORTIONS OF THE MASON GULCH BURN SCAR.
ALTHOUGH HEAVY RAIN HAS ENDED ACROSS THE BURN SCAR...STREAMS AND
CREEKS IN AND NEAR THE MASON GULCH BURN SCAR IN EASTERN CUSTER
COUNTY WILL CONTINUE TO EXPERIENCE FLOODING AS THE RUNOFF CONTINUES.
JUST A SMALL AMOUNT OF RAINFALL ON A BURN SCAR CAN LEAD TO FLASH
FLOODING. WATER THAT IS NORMALLY ABSORBED BY VEGETATION...RUNS OFF
ALMOST INSTANTLY. THIS CAUSES CREEKS AND DRAINAGE AREAS TO FLOOD AT A
MUCH FASTER RATE THAN NORMAL. ADDITIONALLY...THE SOILS IN A BURN SCAR
BECOME UNSTABLE WHEN IT RAINS...RESULTING IN MUD FLOWS AND FALLING
ROCK. ROADWAYS CAN BE WASHED OUT BY THE FORCE OF THE RUSHING WATER.
LAT...LON 3808 10517 3798 10513 3795 10511 3794 10508
3792 10505 3822 10504 3823 10516
$$The office that day
Everything else NWS Pueblo, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 7:47 PM MDT | Severe Thunderstorm Warning | PUB | Pueblo | 58 min |
| Aug 1, 9:30 PM MDT | Flash Flood Warning | PUB | Pueblo | 3 hr |
| Aug 1, 11:47 PM MDT | Flash Flood Warning | PUB | Pueblo | 3 hr |
| Aug 2, 2:30 AM MDT | Flash Flood Warning | PUB | Pueblo | 90 min |
| Aug 2, 2:30 AM MDT | Flash Flood Warning | PUB | Pueblo | 90 min |
| Aug 2, 4:11 AM MDT | Flash Flood Watch | PUB | Alamosa, Chaffee, Costilla, Custer, El Paso, Fremont and 5 more | 19 hr |
| Aug 2, 4:49 PM MDT | River Flood Warning | PUB | Pueblo | 4 hr |
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.