Alert archive / Colorado / Flash Flood Warnings in 2012

Flash Flood Warning 2, NWS Pueblo, CO

June 7, 2012El Paso County, Colorado

NWS Pueblo, CO issued this flash flood warning at Jun 7, 2012, 8:45 PM MDT for El Paso 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
Jun 7, 2012, 8:45 PM MDT (02:45 UTC)
Expired
Jun 7, 2012, 11:00 PM MDT
In force
2 hr
Issued by
NWS Pueblo, CO
Area
Storm-based polygon
Flood severity
None

County El Paso County, CO

The radar

The Pueblo radar (KPUX), 64 km from the middle of the area, began a volume at 02:46 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, 2.8 hours before the alert went out and 170 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 2012-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1009 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 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 2012-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 square meters per square second.193958Sfc1 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
1009 J/kg
Mixed-layer CIN
-107 J/kg
Mixed-layer LCL
2384 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
80 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.6

Open this sounding in Storm Lab

The text

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

167 
WGUS55 KPUB 080245
FFWPUB
COC041-080500-
/O.NEW.KPUB.FF.W.0002.120608T0245Z-120608T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
845 PM MDT THU JUN 7 2012

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL EL PASO COUNTY IN EAST CENTRAL COLORADO...

* UNTIL 1100 PM MDT

* AT 845 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE      
  WARNED AREA. RAINFALL RATES OF 1 TO 2 INCHES PER HOUR ARE POSSIBLE.


* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  COLORADO SPRINGS...PETERSON AFB AND SECURITY.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

&&

LAT...LON 3895 10464 3889 10461 3872 10454 3872 10483
      3885 10486 3894 10485

$$
3 follow-up statements
083 
WGUS75 KPUB 080312
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
912 PM MDT THU JUN 7 2012

COC041-080500-
/O.CON.KPUB.FF.W.0002.000000T0000Z-120608T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
EL PASO CO-
912 PM MDT THU JUN 7 2012

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR CENTRAL EL PASO COUNTY
UNTIL 1100 PM MDT...

AT 910 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. 
RAINFALL RATES OF 1 TO 2 INCHES PER HOUR ARE OCCURRING...WITH STREET 
FLOODING BEING REPORTED ON THE EAST SIDE OF COLORADO SPRINGS.

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING 
INCLUDE...COLORADO SPRINGS AND PETERSON AFB.  CREEKS AND STREAMS 
WILL BE RUNNING HIGH AND FAST...WITH THE POTENTIAL FOR THE WATER TO 
LEAVE THE BANKS OF SOME CREEKS AND STREAMS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.

MOST FLOOD RELATED DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO
CROSS BRIDGES...DIPS...OR OTHER LOW SPOTS IF WATER COVERS THE
ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON
FOOT OR IN A VEHICLE.

&&

LAT...LON 3895 10464 3889 10461 3872 10454 3872 10483
      3885 10486 3894 10485

$$
363 
WGUS75 KPUB 080407
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
1007 PM MDT THU JUN 7 2012

COC041-080500-
/O.CON.KPUB.FF.W.0002.000000T0000Z-120608T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
EL PASO CO-
1007 PM MDT THU JUN 7 2012

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR CENTRAL EL PASO COUNTY
UNTIL 1100 PM MDT...

AT 1004 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THAT THE THUNDERSTORMS WITH HEAVY RAINFALL MOVED OUT OF THE WARNED 
AREA.  HOWEVER...CREEKS AND STREAMS ARE STILL RUNNING HIGH AND FAST 
DUE TO THE HEAVY RAINFALL THAT FELL EARLIER.  THERE MAY ALSO STILL 
BE SOME STREET FLOODING IN EASTERN PORTIONS OF COLORADO SPRINGS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.

MOST FLOOD RELATED DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO
CROSS BRIDGES...DIPS...OR OTHER LOW SPOTS IF WATER COVERS THE
ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON
FOOT OR IN A VEHICLE.

&&

LAT...LON 3895 10464 3889 10461 3872 10454 3872 10483
      3885 10486 3894 10485

$$
071 
WGUS75 KPUB 080450
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
1050 PM MDT THU JUN 7 2012

COC041-080505-
/O.EXP.KPUB.FF.W.0002.000000T0000Z-120608T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
EL PASO CO-
1050 PM MDT THU JUN 7 2012

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR CENTRAL EL PASO
COUNTY WILL BE ALLOWED TO EXPIRE AT 1100 PM MDT...

EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO
RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED...
PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.

LAT...LON 3895 10464 3889 10461 3872 10454 3872 10483
      3885 10486 3894 10485

$$

The office that day

Everything else NWS Pueblo, CO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 7, 6:53 PM MDTTornado WarningPUBEl Paso37 min
Jun 7, 7:27 PM MDTTornado WarningPUBEl Paso48 min
Jun 7, 8:14 PM MDTTornado WarningPUBEl Paso31 min
Jun 7, 8:21 PM MDTSevere Thunderstorm WarningPUBEl Paso54 min
Jun 7, 8:38 PM MDTSevere Thunderstorm WarningPUBEl Paso52 min
Jun 7, 8:42 PM MDTSevere Thunderstorm WarningPUBEl Paso63 min
Jun 7, 9:25 PM MDTSevere Thunderstorm WarningPUBEl Paso50 min
Jun 7, 9:25 PM MDTTornado WarningPUBCrowley, El Paso, Pueblo50 min
Jun 7, 9:39 PM MDTSevere Thunderstorm WarningPUBEl Paso66 min
Jun 7, 10:13 PM MDTTornado WarningPUBCrowley, El Paso, Pueblo47 min
Jun 7, 10:44 PM MDTSevere Thunderstorm WarningPUBEl Paso28 min
Jun 8, 3:12 AM MDTSevere Thunderstorm WarningPUBEl Paso63 min
Jun 8, 3:41 AM MDTSevere Thunderstorm WarningPUBEl Paso34 min
Jun 8, 2:17 PM MDTRed Flag WarningPUBAlamosa, Conejos, Costilla, Custer, El Paso, Fremont and 6 more31 hr

Nearby

Flash Flood Warnings in Colorado, 2012Every flash flood warning in 2012

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.