Alert archive / Colorado / Flash Flood Warnings in 2011

Flash Flood Warning 10, NWS Pueblo, CO

August 2, 2011El Paso County, Colorado

NWS Pueblo, CO issued this flash flood warning at Aug 2, 2011, 7:56 PM MDT for El Paso County, Colorado. It was in force for 3 hr. 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 2, 2011, 7:56 PM MDT (01:56 UTC)
Expired: Aug 2, 2011, 11:00 PM MDT
In force: 3 hr
Issued by: NWS Pueblo, CO
Area: Storm-based polygon
Flood severity: None

County El Paso County, CO

The radar

The Pueblo radar (KPUX), 48 km from the middle of the area, began a volume at 01:56 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 2, 8:02 PM MDT	FLASH FLOOD	5 Ne Colorado Springs, CO	WATER RESCUE AT ACADEMY AND AMERICAN. 2 KIDS SWEPT AWAY BY WATER WHILE PLAYING IN A DRAINAGE HAVE BEEN RESCUED BY FIRE DEPARTMENT AND CHECKED OUT BY MEDICAL.

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, 1.9 hours before the alert went out and 153 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 65 J/kg
Mixed-layer CIN: -137 J/kg
Mixed-layer LCL: 1274 m above ground
0-6 km bulk shear: 7 kt
0-1 km storm-relative helicity: -57 m²/s²
0-3 km storm-relative helicity: -9 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.

148 
WGUS55 KPUB 030156
FFWPUB
COC041-030500-
/O.NEW.KPUB.FF.W.0010.110803T0156Z-110803T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
756 PM MDT TUE AUG 2 2011

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

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

* UNTIL 1100 PM MDT

* AT 750 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE      
  WARNED AREA. 1 TO 3 INCHES OF RAIN IS EXPECTED.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT MAY EXPERIENCE FLOODING INCLUDE...
  COLORADO SPRINGS...AIR FORCE ACADEMY...BLACK FOREST...CALHAN...
  ELLICOTT...FALCON...FOUNTAIN...MANITOU SPRINGS...MONUMENT...PALMER
  LAKE...PETERSON AFB...PEYTON...RAMAH...RUSH...SCHRIEVER AFB...
  SECURITY...TRUCKTON AND YODER.

AT 733 PM MDT...LOCAL BROADCAST MEDIA REPORTED A WATER RESCUE 
UNDERWAY AT 19TH AND HENDERSON ON THE WEST SIDE OF COLORADO SPRINGS. 
2 FEET OF WATER WAS OVER THE ROAD.  SEVERAL VEHICLES WERE STUCK.

THIS INCLUDES...BUT IS NOT LIMITED TO...THE FOLLOWING STREAMS AND 
DRAINAGES...BRACKETT CREEK...FOUNTAIN CREEK...BLACK SQUIRREL 
CREEK...BIG SANDY CREEK...MONUMENT CREEK...JIMMY CAMP 
CREEK...CHEYENNE CREEK...SHOOKS RUN...WEST MONUMENT CREEK AND NORTH 
MONUMENT CREEK.

THIS FLASH FLOOD WARNING REPLACES THE PREVIOUS WARNING THAT WAS IN 
EFFECT FOR WESTERN EL PASO COUNTY...AND EXPANDS THE WARNING TO COVER 
MOST OF THE REST OF EL PASO COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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. DO
NOT ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND TO
ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN
WATER BEGINS RISING.

&&

LAT...LON 3852 10404 3866 10493 3912 10495 3913 10452
      3913 10404

$$

3 follow-up statements

909 
WGUS75 KPUB 030236
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
836 PM MDT TUE AUG 2 2011

COC041-030500-
/O.CON.KPUB.FF.W.0010.000000T0000Z-110803T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
EL PASO CO-
836 PM MDT TUE AUG 2 2011

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

AT 832 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THUNDERSTORMS WITH HEAVY RAINFALL ACROSS THE WARNED AREA...WITH 
ADDITIONAL SHOWERS AND THUNDERSTORMS DEVELOPING. 1 TO 3 INCHES OF 
RAIN IS EXPECTED.

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
COLORADO SPRINGS...AIR FORCE ACADEMY...BLACK FOREST...CALHAN...
ELLICOTT...FALCON...FOUNTAIN...MANITOU SPRINGS...MONUMENT...PALMER
LAKE...PETERSON AFB...PEYTON...RAMAH...RUSH...SCHRIEVER AFB...
SECURITY...TRUCKTON AND YODER.

THIS INCLUDES...BUT IS NOT LIMITED TO...THE FOLLOWING STREAMS AND 
DRAINAGES...BRACKETT CREEK...FOUNTAIN CREEK...BLACK SQUIRREL 
CREEK...BIG SANDY CREEK...MONUMENT CREEK...JIMMY CAMP 
CREEK...CHEYENNE CREEK...SHOOKS RUN...WEST MONUMENT CREEK AND NORTH 
MONUMENT CREEK.

AT 802 PM MDT...BROADCAST MEDIA REPORTED A WATER RESCUE AT ACADEMY 
AND AMERICAN. 2 KIDS WERE SWEPT AWAY BY WATER WHILE PLAYING IN A 
DRAINAGE.  THE KIDS WERE RESCUED BY THE FIRE DEPARTMENT AND CHECKED 
OUT BY MEDICAL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLOODING IS OBSERVED...ACT QUICKLY. DO NOT
ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND. DO NOT
STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

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.

&&

LAT...LON 3852 10404 3866 10493 3912 10495 3913 10452
      3913 10404

$$

698 
WGUS75 KPUB 030352
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
952 PM MDT TUE AUG 2 2011

COC041-030500-
/O.CON.KPUB.FF.W.0010.000000T0000Z-110803T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
EL PASO CO-
952 PM MDT TUE AUG 2 2011

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

AT 939 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
SHOWERS AND A FEW THUNDERSTORMS ACROSS THE WARNED AREA. STORM TOTAL 
RAINFALL AMOUNTS OF 1 TO 3 INCHES ARE EXPECTED.

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT MAY EXPERIENCE FLOODING INCLUDE...
COLORADO SPRINGS...AIR FORCE ACADEMY...BLACK FOREST...CALHAN...
ELLICOTT...FALCON...FOUNTAIN...MANITOU SPRINGS...MONUMENT...PALMER
LAKE...PETERSON AFB...PEYTON...RAMAH...RUSH...SCHRIEVER AFB...
SECURITY...TRUCKTON AND YODER.

THIS INCLUDES...BUT IS NOT LIMITED TO...THE FOLLOWING STREAMS AND 
DRAINAGES...BRACKETT CREEK...FOUNTAIN CREEK...BLACK SQUIRREL 
CREEK...BIG SANDY CREEK...MONUMENT CREEK...JIMMY CAMP 
CREEK...CHEYENNE CREEK...SHOOKS RUN...WEST MONUMENT CREEK AND NORTH 
MONUMENT CREEK.

AT 802 PM MDT...BROADCAST MEDIA REPORTED A WATER RESCUE AT ACADEMY 
AND AMERICAN. 2 KIDS WERE SWEPT AWAY BY WATER WHILE PLAYING IN A 
DRAINAGE.  THE KIDS WERE RESCUED BY THE FIRE DEPARTMENT AND CHECKED 
OUT BY MEDICAL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLOODING IS OBSERVED...ACT QUICKLY. DO NOT
ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND. DO NOT
STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

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.

&&

LAT...LON 3852 10404 3866 10493 3912 10495 3913 10452
      3913 10404

$$

412 
WGUS75 KPUB 030502
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
1102 PM MDT TUE AUG 2 2011

COC041-030515-
/O.EXP.KPUB.FF.W.0010.000000T0000Z-110803T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
EL PASO CO-
1102 PM MDT TUE AUG 2 2011

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR EL PASO COUNTY HAS
BEEN ALLOWED TO EXPIRE...

EXCESS RUNOFF FROM HEAVY RAIN IS WINDING DOWN OVER THE WARNED AREA. 
STREAMS AND CREEKS IN THE WARNED AREA ARE BEGINNING TO 
RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN 
OBSERVED...PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.

LAT...LON 3852 10404 3866 10493 3912 10495 3913 10452
      3913 10404

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 2, 6:04 PM MDT	Severe Thunderstorm Warning	PUB	Crowley, Otero, Pueblo	56 min
Aug 2, 6:10 PM MDT	Flash Flood Warning	PUB	Baca, Las Animas, Otero	3 hr
Aug 2, 8:04 PM MDT	Areal Flood Advisory	PUB	Bent, Prowers	3 hr
Aug 2, 8:06 PM MDT	Areal Flood Advisory	PUB	Crowley, Kiowa, Otero	3 hr
Aug 2, 9:27 PM MDT	Areal Flood Advisory	PUB	Kiowa	2 hr
Aug 2, 9:34 PM MDT	Areal Flood Advisory	PUB	El Paso, Pueblo	5 hr
Aug 3, 5:20 AM MDT	River Flood Warning	PUB	Pueblo	78 min
Aug 3, 5:26 AM MDT	Flash Flood Watch	PUB	Custer, El Paso, Fremont, Huerfano, Pueblo, Teller	16 hr
Aug 3, 1:35 PM MDT	Areal Flood Advisory	PUB	Las Animas	3 hr
Aug 3, 2:40 PM MDT	Areal Flood Advisory	PUB	Las Animas	62 min
Aug 3, 3:35 PM MDT	Flash Flood Warning	PUB	Las Animas	3 hr
Aug 3, 3:50 PM MDT	Areal Flood Advisory	PUB	Fremont	2 hr
Aug 3, 4:19 PM MDT	Severe Thunderstorm Warning	PUB	Custer, Fremont	41 min
Aug 3, 4:47 PM MDT	Flash Flood Warning	PUB	Teller	2 hr
Aug 3, 4:52 PM MDT	Flash Flood Warning	PUB	Custer, Fremont, Pueblo, Saguache	3 hr
Aug 3, 5:17 PM MDT	Flash Flood Warning	PUB	El Paso, Teller	2 hr

Nearby

Flash Flood Warnings in Colorado, 2011 Every flash flood warning in 2011

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.