Alert archive / Colorado / Flash Flood Warnings in 2021

Flash Flood Warning 29, NWS Pueblo, CO

July 1, 2021Crowley County, El Paso County, Pueblo County, Colorado

NWS Pueblo, CO issued this flash flood warning at Jul 1, 2021, 9:58 PM MDT for Crowley County, El Paso County, Pueblo County, Colorado. It was in force for 3 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 1, 2021, 9:58 PM MDT (03:58 UTC)
Expired
Jul 2, 2021, 12:35 AM MDT
In force
3 hr
Issued by
NWS Pueblo, CO
Area
Storm-based polygon
Flood severity
None

Counties Crowley County, CO, El Paso County, CO, Pueblo County, CO

The radar

The Pueblo radar (KPUX), 5 km from the middle of the area, began a volume at 03:57 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 00:00Z, 4.0 hours before the alert went out and 178 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 2021-07-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 13 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 00:00Z on 2021-07-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -8 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
13 J/kg
Mixed-layer CIN
-50 J/kg
Mixed-layer LCL
1238 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
-8 m²/s²
0-3 km storm-relative helicity
-43 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

649 
WGUS55 KPUB 020358
FFWPUB
COC025-041-101-020700-
/O.NEW.KPUB.FF.W.0029.210702T0358Z-210702T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Pueblo CO
958 PM MDT Thu Jul 1 2021

The National Weather Service in Pueblo has issued a

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

* Until 100 AM MDT.

* At 958 PM MDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 and 2 inches of rain 
  have fallen over southern El Paso county. Flash flooding is 
  ongoing or expected to begin shortly. Heavy rain has fallen over 
  this area earlier this evening and this additional rain will run 
  off very rapidly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Olney Springs, Boone, Pueblo Depot, Avondale and Hanover.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3863 10458 3865 10405 3852 10405 3852 10389
      3813 10387 3824 10440 3844 10448

FLASH FLOOD...RADAR INDICATED

$$

Hodanish
1 follow-up statement
389 
WGUS75 KPUB 020635
FFSPUB

Flash Flood Statement
National Weather Service Pueblo CO
1235 AM MDT Fri Jul 2 2021

COC025-041-101-020645-
/O.CAN.KPUB.FF.W.0029.000000T0000Z-210702T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Crowley CO-El Paso CO-Pueblo CO-
1235 AM MDT Fri Jul 2 2021

...FLASH FLOOD WARNING IS CANCELLED FOR SOUTHEASTERN EL PASO, 
WESTERN CROWLEY AND NORTHEASTERN PUEBLO COUNTIES...

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

LAT...LON 3863 10458 3865 10405 3852 10405 3852 10389
      3813 10387 3824 10440 3844 10448

$$

EP

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 1, 6:03 PM MDTSpecial Weather StatementPUBOtero42 min
Jul 1, 6:08 PM MDTSpecial Weather StatementPUBCuster37 min
Jul 1, 6:23 PM MDTSpecial Weather StatementPUBFremont37 min
Jul 1, 6:46 PM MDTSpecial Weather StatementPUBOtero44 min
Jul 1, 6:51 PM MDTSpecial Weather StatementPUBFremont39 min
Jul 1, 6:56 PM MDTSevere Thunderstorm WarningPUBOtero34 min
Jul 1, 7:08 PM MDTFlash Flood WarningPUBOtero2 hr
Jul 1, 7:29 PM MDTSpecial Weather StatementPUBFremont46 min
Jul 1, 7:32 PM MDTSpecial Weather StatementPUBLas Animas43 min
Jul 1, 8:52 PM MDTFlash Flood Warning Considerable damage threatPUBChaffee, Fremont, Saguache2 hr
Jul 1, 9:09 PM MDTFlash Flood WarningPUBFremont, Pueblo2 hr
Jul 1, 10:27 PM MDTFlash Flood WarningPUBChaffee, El Paso, Fremont, Teller66 min
Jul 2, 12:58 PM MDTFlash Flood Warning Considerable damage threatPUBChaffee3 hr
Jul 2, 3:00 PM MDTSpecial Weather StatementPUBHuerfano45 min
Jul 2, 3:31 PM MDTSpecial Weather StatementPUBCuster44 min
Jul 2, 3:32 PM MDTSpecial Weather StatementPUBFremont43 min
Jul 2, 4:11 PM MDTSpecial Weather StatementPUBCostilla34 min
Jul 2, 4:33 PM MDTFlash Flood Warning Considerable damage threatPUBCostilla, Huerfano3 hr
Jul 2, 4:52 PM MDTFlash Flood Warning Considerable damage threatPUBCostilla, Huerfano3 hr
Jul 2, 5:04 PM MDTSpecial Weather StatementPUBCostilla41 min
Jul 2, 5:06 PM MDTSevere Thunderstorm WarningPUBCostilla18 min
Jul 2, 5:30 PM MDTSevere Thunderstorm WarningPUBHuerfano30 min
Jul 2, 5:52 PM MDTFlash Flood WarningPUBHuerfano97 min
Jul 2, 5:55 PM MDTSevere Thunderstorm WarningPUBHuerfano, Las Animas23 min

Nearby

Flash Flood Warnings in Colorado, 2021Every flash flood warning in 2021

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.