Alert archive / Colorado / Flash Flood Warnings in 2024

Flash Flood Warning 21, NWS Pueblo, CO

August 6, 2024Fremont County, Colorado

NWS Pueblo, CO issued this flash flood warning at Aug 6, 2024, 5:24 PM MDT for Fremont 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
Aug 6, 2024, 5:24 PM MDT (23:24 UTC)
Expired
Aug 6, 2024, 7:45 PM MDT
In force
2 hr
Issued by
NWS Pueblo, CO
Area
Storm-based polygon
Flood severity
None

County Fremont County, CO

The radar

The Pueblo radar (KPUX), 113 km from the middle of the area, began a volume at 23:28 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

Grand Junction, CO (KGJT), launched 12:00Z, 11.4 hours before the alert went out and 273 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, Grand Junction, CO at 12:00Z on 2024-08-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 12 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, Grand Junction, CO at 12:00Z on 2024-08-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 17 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
12 J/kg
Mixed-layer CIN
-375 J/kg
Mixed-layer LCL
2072 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
17 m²/s²
0-3 km storm-relative helicity
75 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

881 
WGUS55 KPUB 062324
FFWPUB
COC043-070230-
/O.NEW.KPUB.FF.W.0021.240806T2324Z-240807T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Pueblo CO
524 PM MDT Tue Aug 6 2024

The National Weather Service in Pueblo has issued a

* Flash Flood Warning for...
  Central Fremont County in central Colorado...

* Until 830 PM MDT.

* At 524 PM MDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 and 1.5 inches of 
  rain have fallen. The expected rainfall rate is 0.5 to 1 inch in 1 
  hour. Flash flooding is ongoing or expected to begin shortly. This 
  heavy rain is occurring along Highway 50 in the greater Royal 
  Gorge area. Be alert for large rocks on the highway.

  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...
  Royal Gorge, Texas Creek and Canon City.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3833 10559 3860 10564 3860 10529 3836 10527

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...0.5-1 INCH IN 1 HOUR

$$

Hodanish
2 follow-up statements
673 
WGUS75 KPUB 070029
FFSPUB

Flash Flood Statement
National Weather Service Pueblo CO
629 PM MDT Tue Aug 6 2024

COC043-070230-
/O.CON.KPUB.FF.W.0021.000000T0000Z-240807T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Fremont CO-
629 PM MDT Tue Aug 6 2024

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 830 PM MDT THIS 
EVENING FOR CENTRAL FREMONT COUNTY...

At 629 PM MDT, Doppler radar has showed that only light showers were 
occurring over the warned area. However, high water will still be 
possible in stream feeding into the Arkansas River west of Canon 
City. Although off and on showers may occur during the rest of the 
evening, the chances for additional heavy rain have decreased.

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...
  Royal Gorge, Texas Creek and Canon City.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3833 10559 3860 10564 3860 10529 3836 10527

FLASH FLOOD...RADAR INDICATED

$$

Hodanish
751 
WGUS75 KPUB 070145
FFSPUB

Flash Flood Statement
National Weather Service Pueblo CO
745 PM MDT Tue Aug 6 2024

COC043-070155-
/O.CAN.KPUB.FF.W.0021.000000T0000Z-240807T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Fremont CO-
745 PM MDT Tue Aug 6 2024

...FLASH FLOOD WARNING IS CANCELLED FOR CENTRAL FREMONT COUNTY...

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

&&

LAT...LON 3833 10559 3860 10564 3860 10529 3836 10527

$$

Hodanish

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 5, 7:00 PM MDTSpecial Weather StatementPUBEl Paso30 min
Aug 5, 7:28 PM MDTFlash Flood WarningPUBEl Paso3 hr
Aug 5, 7:57 PM MDTSpecial Weather StatementPUBLas Animas33 min
Aug 6, 12:49 PM MDTSpecial Weather StatementPUBHuerfano41 min
Aug 6, 2:52 PM MDTSpecial Weather StatementPUBHuerfano23 min
Aug 6, 2:54 PM MDTSpecial Weather StatementPUBChaffee36 min
Aug 6, 3:50 PM MDTSpecial Weather StatementPUBFremont25 min
Aug 6, 3:59 PM MDTSpecial Weather StatementPUBFremont31 min
Aug 6, 4:26 PM MDTSpecial Weather StatementPUBFremont34 min
Aug 6, 4:37 PM MDTSpecial Weather StatementPUBFremont23 min
Aug 6, 4:59 PM MDTSpecial Weather StatementPUBSaguache31 min
Aug 6, 5:05 PM MDTSpecial Weather StatementPUBFremont25 min

Nearby

Flash Flood Warnings in Colorado, 2024Every flash flood warning in 2024

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.