Alert archive / Colorado / Flash Flood Warnings in 2015

Flash Flood Warning 35, NWS Pueblo, CO

July 21, 2015El Paso County, Colorado

NWS Pueblo, CO issued this flash flood warning at Jul 21, 2015, 4:14 PM MDT for El Paso County, Colorado. It was in force for 3 hr. 4 reports 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
Jul 21, 2015, 4:14 PM MDT (22:14 UTC)
Expired
Jul 21, 2015, 7:15 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), 72 km from the middle of the area, began a volume at 22:16 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

TimeReportWhereRemark
Jul 21, 4:25 PM MDTHEAVY RAIN 0.714 Ene Air Force Academy, COIN THE PAST 20 MINUTES. SMALL PEA SIZED HAIL.
Jul 21, 4:42 PM MDTHEAVY RAIN 0.882 Sse Black Forest, COIN 10 MINUTES
Jul 21, 5:09 PM MDTHEAVY RAIN 12 Ne Falcon, COFELL IN 20 MINUTES
Jul 21, 5:17 PM MDTHEAVY RAIN 1.925 Wnw Peyton, CO1.92 INCHES IN 1 HOUR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Denver, CO (KDEN), launched 12:00Z, 10.2 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-pSkew-T log-p diagram, Denver, CO at 12:00Z on 2015-07-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2015-07-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 52 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1832 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
52 m²/s²
0-3 km storm-relative helicity
154 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.

840 
WGUS55 KPUB 212214
FFWPUB
COC041-220115-
/O.NEW.KPUB.FF.W.0035.150721T2214Z-150722T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
414 PM MDT TUE JUL 21 2015

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

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

* UNTIL 715 PM MDT
    
* AT 413 PM MDT...TRAINED WEATHER SPOTTERS REPORTED A THUNDERSTORM 
  PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. 2.75 INCHES OF RAIN 
  WAS MEASURED BETWEEN 315 PM AND 415 PM 3 MILES EAST OF 
  MONUMENT. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  NORTHERN COLORADO SPRINGS...MONUMENT...AIR FORCE ACADEMY...
  GLENEAGLE...BLACK FOREST AND PEYTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.

&&

LAT...LON 3893 10450 3895 10487 3913 10486 3913 10436

$$

HODANISH
6 follow-up statements
390 
WGUS75 KPUB 212233
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
433 PM MDT TUE JUL 21 2015

COC041-220115-
/O.CON.KPUB.FF.W.0035.000000T0000Z-150722T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
EL PASO CO-
433 PM MDT TUE JUL 21 2015

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 715 PM MDT FOR
NORTHWESTERN EL PASO COUNTY...

AT 432 PM MDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING 
HEAVY RAIN ACROSS THE WARNED AREA.  INTENSE RAINFALL IS FALLING OVER 
THE BLACK FOREST BURN SCAR. FLASH FLOODING IS LIKELY OCCURRING.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
NORTHERN COLORADO SPRINGS...MONUMENT...AIR FORCE ACADEMY...
GLENEAGLE...BLACK FOREST AND PEYTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.

&&

LAT...LON 3893 10450 3895 10487 3913 10486 3913 10436

$$

HODANISH
783 
WGUS75 KPUB 212300
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
500 PM MDT TUE JUL 21 2015

COC041-220115-
/O.CON.KPUB.FF.W.0035.000000T0000Z-150722T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
EL PASO CO-
500 PM MDT TUE JUL 21 2015

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 715 PM MDT FOR
NORTHWESTERN EL PASO COUNTY...

AT 457 PM MDT...TRAINED WEATHER SPOTTERS REPORTED THUNDERSTORMS 
PRODUCING VERY HEAVY RAIN IN BLACK FOREST. THE SPOTTER REPORTED 0.88 
INCHES OF RAIN IN 10 MINUTES. MAJOR FLOODING WAS REPORTED ON THIS 
WEATHER SPOTTERS PROPERTY. THIS HEAVY RAIN IS MOVING INTO THE 
COTTONWOOD CREEK DRAINAGE. 

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... NORTHERN 
COLORADO SPRINGS...MONUMENT...AIR FORCE ACADEMY... GLENEAGLE...BLACK 
FOREST AND PEYTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.

&&

LAT...LON 3893 10450 3895 10487 3913 10486 3913 10436

$$

HODANISH
228 
WGUS75 KPUB 212311
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
511 PM MDT TUE JUL 21 2015

COC041-220115-
/O.CON.KPUB.FF.W.0035.000000T0000Z-150722T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
EL PASO CO-
511 PM MDT TUE JUL 21 2015

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 715 PM MDT FOR
NORTHWESTERN EL PASO COUNTY...

AT 510 PM MDT...TRAINED WEATHER SPOTTERS REPORTED THUNDERSTORMS 
PRODUCING HEAVY RAIN 2 MILES NORTHEAST OF FALCON. ONE INCH OF RAIN 
WAS REPORTED IN 20 MINUTES. 

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
NORTHERN COLORADO SPRINGS...MONUMENT...AIR FORCE ACADEMY...
GLENEAGLE...BLACK FOREST AND PEYTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.

&&

LAT...LON 3893 10450 3895 10487 3913 10486 3913 10436

$$

HODANISH
612 
WGUS75 KPUB 212320
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
520 PM MDT TUE JUL 21 2015

COC041-220115-
/O.CON.KPUB.FF.W.0035.000000T0000Z-150722T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
EL PASO CO-
520 PM MDT TUE JUL 21 2015

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 715 PM MDT FOR
NORTHWESTERN EL PASO COUNTY...

AT 519 PM MDT...TRAINED WEATHER SPOTTERS REPORTED THUNDERSTORMS 
PRODUCING HEAVY RAIN IN 5 MILES NORTHWEST OF PEYTON. THE SPOTTER 
REPORTED 1.92 INCHES OF RAIN WITH THE STORM.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
NORTHERN COLORADO SPRINGS...MONUMENT...AIR FORCE ACADEMY...
GLENEAGLE...BLACK FOREST AND PEYTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.

&&

LAT...LON 3893 10450 3895 10487 3913 10486 3913 10436

$$

HODANISH
103 
WGUS75 KPUB 220003
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
603 PM MDT TUE JUL 21 2015

COC041-220115-
/O.CON.KPUB.FF.W.0035.000000T0000Z-150722T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
EL PASO CO-
603 PM MDT TUE JUL 21 2015

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 715 PM MDT FOR
NORTHWESTERN EL PASO COUNTY...

AT 602 PM MDT...DOPPLER RADAR INDICATED THUNDERSTORMS THAT PRODUCED 
HEAVY RAIN ACROSS THE WARNED AREA HAVE MOVED TO THE EAST.  FLASH 
FLOODING IS LIKELY ONGOING.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
NORTHERN COLORADO SPRINGS...MONUMENT...AIR FORCE ACADEMY...
GLENEAGLE...BLACK FOREST AND PEYTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.

&&

LAT...LON 3893 10450 3895 10487 3913 10486 3913 10436

$$

KAM
927 
WGUS75 KPUB 220047
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
647 PM MDT TUE JUL 21 2015

COC041-220056-
/O.CAN.KPUB.FF.W.0035.000000T0000Z-150722T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
EL PASO CO-
647 PM MDT TUE JUL 21 2015

...THE FLASH FLOOD WARNING FOR NORTHWESTERN EL PASO COUNTY IS
CANCELLED...

FLOOD WATERS HAVE RECEDED...AND ARE NO LONGER EXPECTED TO POSE A
THREAT TO LIFE OR PROPERTY. PLEASE CONTINUE TO HEED ANY ROAD
CLOSURES.

LAT...LON 3893 10450 3895 10487 3913 10486 3913 10436

$$

KAM

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 21, 12:15 PM MDTSpecial Weather StatementPUBHuerfano45 min
Jul 21, 12:49 PM MDTSpecial Weather StatementPUBLas Animas41 min
Jul 21, 3:37 PM MDTSpecial Weather StatementPUBDouglas23 min
Jul 21, 3:56 PM MDTSpecial Weather StatementPUBEl Paso34 min
Jul 21, 4:30 PM MDTSpecial Weather StatementPUBEl Paso45 min
Jul 21, 4:43 PM MDTSevere Thunderstorm WarningPUBEl Paso45 min
Jul 21, 5:14 PM MDTFlash Flood WarningPUBEl Paso3 hr
Jul 21, 5:27 PM MDTSpecial Weather StatementPUBPueblo48 min
Jul 21, 5:43 PM MDTSevere Thunderstorm WarningPUBPueblo47 min

Nearby

Flash Flood Warnings in Colorado, 2015Every flash flood warning in 2015

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.