Alert archive / Colorado / Flash Flood Warnings in 2020

Flash Flood Warning 33, NWS Pueblo, CO

July 20, 2020El Paso County, Pueblo County, Colorado

NWS Pueblo, CO issued this flash flood warning at Jul 20, 2020, 3:24 PM MDT for El Paso County, Pueblo 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
Jul 20, 2020, 3:24 PM MDT (21:24 UTC)
Expired
Jul 20, 2020, 5:53 PM MDT
In force
2 hr
Issued by
NWS Pueblo, CO
Area
Storm-based polygon
Flood severity
None

Counties El Paso County, CO, Pueblo County, CO

The radar

The Pueblo radar (KPUX), 11 km from the middle of the area, began a volume at 21:26 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, 9.4 hours before the alert went out and 167 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 2020-07-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 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 2020-07-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 48 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
3 J/kg
Mixed-layer CIN
-356 J/kg
Mixed-layer LCL
3129 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
48 m²/s²
0-3 km storm-relative helicity
46 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

346 
WGUS55 KPUB 202124
FFWPUB
COC041-101-210030-
/O.NEW.KPUB.FF.W.0033.200720T2124Z-200721T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Pueblo CO
324 PM MDT Mon Jul 20 2020

The National Weather Service in Pueblo has issued a

* Flash Flood Warning for...
  Southeastern El Paso County in east central Colorado...
  Northeastern Pueblo County in southeastern Colorado...

* Until 630 PM MDT.

* At 324 PM MDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Up to two inches of rain have
  already fallen. Flash flooding is ongoing or expected to begin
  shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar indicated.

  IMPACT...Flooding of small creeks and streams, urban areas, 
           highways, streets and underpasses as well as other 
           drainage and low lying areas.

* Flash flooding will remain over mainly rural areas of southeastern
  El Paso and northeastern Pueblo Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.

&&

LAT...LON 3865 10405 3841 10406 3841 10433 3866 10432

FLASH FLOOD...RADAR INDICATED

$$

Rodriguez
3 follow-up statements
382 
WGUS75 KPUB 202231
FFSPUB

Flash Flood Statement
National Weather Service Pueblo CO
431 PM MDT Mon Jul 20 2020

COC041-101-210030-
/O.CON.KPUB.FF.W.0033.000000T0000Z-200721T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
El Paso CO-Pueblo CO-
431 PM MDT Mon Jul 20 2020

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 630 PM MDT FOR
SOUTHEASTERN EL PASO AND NORTHEASTERN PUEBLO COUNTIES...

At 429 PM MDT, Doppler radar indicated thunderstorms producing light 
rain across the warned area, although heavy rain fell over this area 
earlier this afternoon.  Up to two inches may have already fallen. 
Flash flooding is ongoing or expected to begin shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar indicated.

IMPACT...Flooding of small creeks and streams, roads and underpasses 
         as well as other drainage and low lying areas.

Flash flooding will remain over mainly rural areas of southeastern El
Paso and northeastern Pueblo Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.

&&

LAT...LON 3865 10405 3841 10406 3841 10433 3866 10432

FLASH FLOOD...RADAR INDICATED

$$

28
379 
WGUS75 KPUB 202306
FFSPUB

Flash Flood Statement
National Weather Service Pueblo CO
506 PM MDT Mon Jul 20 2020

COC041-101-210030-
/O.CON.KPUB.FF.W.0033.000000T0000Z-200721T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
El Paso CO-Pueblo CO-
506 PM MDT Mon Jul 20 2020

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 630 PM MDT FOR
SOUTHEASTERN EL PASO AND NORTHEASTERN PUEBLO COUNTIES...

At 505 PM MDT, Doppler radar indicated that rain had end across the 
warned area. However, up to two inches of rain fell in the warned 
area earlier this afternoon and flash flooding is likely still 
occuring in portions of the warned area.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar indicated.

IMPACT...Flooding of small creeks and streams, urban areas, 
         highways, streets and underpasses as well as other drainage 
         and low lying areas.

Flash flooding will remain over mainly rural areas of southeastern El
Paso and northeastern Pueblo Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.

&&

LAT...LON 3865 10405 3841 10406 3841 10433 3866 10432

FLASH FLOOD...RADAR INDICATED

$$

28
333 
WGUS75 KPUB 202353
FFSPUB

Flash Flood Statement
National Weather Service Pueblo CO
553 PM MDT Mon Jul 20 2020

COC041-101-210003-
/O.CAN.KPUB.FF.W.0033.000000T0000Z-200721T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
El Paso CO-Pueblo CO-
553 PM MDT Mon Jul 20 2020

...THE FLASH FLOOD WARNING FOR SOUTHEASTERN EL PASO AND NORTHEASTERN
PUEBLO COUNTIES IS CANCELLED...

The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed any remaining road closures.

LAT...LON 3865 10405 3841 10406 3841 10433 3866 10432

$$

kam

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 19, 6:32 PM MDTSpecial Weather StatementPUBLas Animas28 min
Jul 19, 6:54 PM MDTSevere Thunderstorm WarningPUBLas Animas, Otero36 min
Jul 19, 7:02 PM MDTSevere Thunderstorm WarningPUBBent, Kiowa26 min
Jul 19, 9:01 PM MDTSpecial Weather StatementPUBProwers14 min
Jul 20, 1:25 PM MDTSpecial Weather StatementPUBSaguache50 min
Jul 20, 1:57 PM MDTSpecial Weather StatementPUBPueblo33 min
Jul 20, 2:41 PM MDTSpecial Weather StatementPUBCrowley34 min
Jul 20, 3:24 PM MDTSpecial Weather StatementPUBEl Paso36 min
Jul 20, 3:27 PM MDTSpecial Weather StatementPUBPueblo33 min
Jul 20, 4:51 PM MDTSpecial Weather StatementPUBBaca24 min
Jul 20, 5:20 PM MDTSpecial Weather StatementPUBLas Animas40 min
Jul 20, 5:40 PM MDTSevere Thunderstorm WarningPUBKiowa50 min

Nearby

Flash Flood Warnings in Colorado, 2020Every flash flood warning in 2020

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.