Alert archive / Colorado / Flash Flood Warnings in 2012

Flash Flood Warning 3, NWS Pueblo, CO

July 8, 2012El Paso County, Colorado

NWS Pueblo, CO issued this flash flood warning at Jul 8, 2012, 5:55 PM MDT for El Paso County, Colorado. It was in force for 112 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 8, 2012, 5:55 PM MDT (23:55 UTC)
Expired
Jul 8, 2012, 7:47 PM MDT
In force
112 min
Issued by
NWS Pueblo, CO
Area
Storm-based polygon
Flood severity
None

County El Paso County, CO

The radar

The Pueblo radar (KPUX), 74 km from the middle of the area, began a volume at 23:57 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, 11.9 hours before the alert went out and 162 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 12:00Z on 2012-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 119 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 12:00Z on 2012-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 square meters per square second.1939Sfc1 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
119 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
635 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
70 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

060 
WGUS55 KPUB 082355
FFWPUB
COC041-090300-
/O.NEW.KPUB.FF.W.0003.120708T2355Z-120709T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
555 PM MDT SUN JUL 8 2012

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

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

* UNTIL 900 PM MDT

* AT 553 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE      
  WARNED AREA. DOPPLER RADAR ESTIMATED 1 TO 2 INCHES OF RAINFALL     
  ACROSS CENTRAL EL PASO COUNTY.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  COLORADO SPRINGS...BLACK FOREST AND FALCON.

THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...MONUMENT 
CREEK...BLACK SQUIRREL CREEK...COTTONWOOD CREEK...AND KETTLE CREEK.

THE HEAVY RAINFALL DID NOT IMPACT THE WALDO CANYON WILDFIRE BURN 
SCAR...SO THAT AREA IS NOT INCLUDED IN THIS FLASH FLOOD WARNING.

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.

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
PUEBLO.

&&

LAT...LON 3907 10463 3885 10460 3883 10483 3906 10487

$$


STARK
2 follow-up statements
818 
WGUS75 KPUB 090028
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
628 PM MDT SUN JUL 8 2012

COC041-090300-
/O.CON.KPUB.FF.W.0003.000000T0000Z-120709T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
EL PASO CO-
628 PM MDT SUN JUL 8 2012

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR CENTRAL EL PASO COUNTY
UNTIL 900 PM MDT...

AT 625 PM MDT...WEATHER SPOTTERS REPORTED THUNDERSTORMS WITH VERY 
HEAVY RAINFALL ACROSS THE WARNED AREA. MOST OF THE THUNDERSTORMS 
HAVE MOVED AWAY FROM CENTRAL EL PASO COUNTY...HOWEVER RUNOFF FROM 
THE STORMS CONTINUES TO CAUSE FLASH FLOODING.

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
COLORADO SPRINGS...BLACK FOREST AND FALCON.

TRAINED WEATHER SPOTTERS REPORTED A PEDESTRIAN WALKWAY UNDER 18 
INCHES OF WATER ON COTTONWOOD CREEK AT RANGEWOOD DRIVE. SAND CREEK 
WAS REPORTED TO BE NEAR BANKFUL.

THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...MONUMENT 
CREEK...SAND CREEK...SPRING CREEK...FOUNTAIN CREEK...SHOOKS 
RUN...BLACK SQUIRREL CREEK...COTTONWOOD CREEK...KETTLE CREEK...AND 
BURGESS CREEK.

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. KEEP CHILDREN AWAY FROM CULVERTS AND DRAINAGE DITCHES.

&&

LAT...LON 3907 10463 3885 10460 3883 10483 3906 10487

$$


STARK
884 
WGUS75 KPUB 090147
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
747 PM MDT SUN JUL 8 2012

COC041-090202-
/O.CAN.KPUB.FF.W.0003.000000T0000Z-120709T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
EL PASO CO-
747 PM MDT SUN JUL 8 2012

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR CENTRAL EL PASO
COUNTY IS CANCELLED...

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 3907 10463 3885 10460 3883 10483 3906 10487

$$


STARK

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 8, 4:20 AM MDTFlash Flood WatchPUBEl Paso, Fremont, Teller19 hr
Jul 8, 4:35 PM MDTAreal Flood AdvisoryPUBEl Paso3 hr
Jul 8, 5:02 PM MDTSevere Thunderstorm WarningPUBBaca29 min

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.