Alert archive / Colorado / Flash Flood Warnings in 2021

Flash Flood Warning 30, NWS Pueblo, CO

July 1, 20214 counties in Colorado

NWS Pueblo, CO issued this flash flood warning at Jul 1, 2021, 10:27 PM MDT for 4 counties in Colorado. It was in force for 66 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 1, 2021, 10:27 PM MDT (04:27 UTC)
Expired
Jul 1, 2021, 11:33 PM MDT
In force
66 min
Issued by
NWS Pueblo, CO
Area
Storm-based polygon
Flood severity
None

Counties Chaffee County, CO, El Paso County, CO, Fremont County, CO, Teller County, CO

The radar

The Pueblo radar (KPUX), 120 km from the middle of the area, began a volume at 04:25 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, 4.5 hours before the alert went out and 233 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.

471 
WGUS55 KPUB 020427
FFWPUB
COC015-041-043-119-020730-
/O.NEW.KPUB.FF.W.0030.210702T0427Z-210702T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Pueblo CO
1027 PM MDT Thu Jul 1 2021

The National Weather Service in Pueblo has issued a

* Flash Flood Warning for...
  East Central Chaffee County in central Colorado...
  Northern Fremont County in central Colorado...
  Teller County in central Colorado...
  West Central El Paso County in east central Colorado...

* Until 130 AM MDT.

* At 1027 PM MDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 and 2 inches of rain 
  have fallen. An area of moderate to heavy rain will move across 
  northern Fremont and into Teller county by 10:30 pm.

Quite a few areas in northern Fremont county have already received 
heavy rain earlier this evening.

  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...
  Woodland Park, Cripple Creek, Green Mountain Falls, Victor, 
  Florissant, Waugh Mountain, Divide, Texas Creek and Pikes Peak.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3869 10596 3870 10533 3913 10533 3912 10503
      3870 10503 3836 10551 3854 10597

FLASH FLOOD...RADAR INDICATED

$$

Hodanish
1 follow-up statement
702 
WGUS75 KPUB 020533
FFSPUB

Flash Flood Statement
National Weather Service Pueblo CO
1133 PM MDT Thu Jul 1 2021

COC015-041-043-119-020543-
/O.CAN.KPUB.FF.W.0030.000000T0000Z-210702T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Chaffee CO-El Paso CO-Fremont CO-Teller CO-
1133 PM MDT Thu Jul 1 2021

...FLASH FLOOD WARNING IS CANCELLED FOR EAST CENTRAL CHAFFEE, 
NORTHERN FREMONT, TELLER AND WEST CENTRAL EL PASO COUNTIES...

Flooding is no longer expected to pose a threat. Please continue to 
heed remaining road closures.

A Flash Flood Watch remains in effect until 1200 AM MDT for portions 
of central Colorado, east central Colorado and southeast Colorado.

LAT...LON 3869 10596 3870 10533 3913 10533 3912 10503
      3870 10503 3836 10551 3854 10597

$$

Hodanish

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, 9:58 PM MDTFlash Flood WarningPUBCrowley, El Paso, Pueblo3 hr
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.