Alert archive / Colorado / Flash Flood Warnings in 2021

Flash Flood Warning 47, NWS Pueblo, CO

July 6, 2021Pueblo County, Colorado

NWS Pueblo, CO issued this flash flood warning at Jul 6, 2021, 8:43 PM MDT for Pueblo County, Colorado. It was in force for 101 min. 1 report 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 6, 2021, 8:43 PM MDT (02:43 UTC)
Expired: Jul 6, 2021, 10:24 PM MDT
In force: 101 min
Issued by: NWS Pueblo, CO
Area: Storm-based polygon
Flood severity: None

County Pueblo County, CO

The radar

The Pueblo radar (KPUX), 41 km from the middle of the area, began a volume at 02:43 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

Time	Report	Where	Remark
Jul 6, 8:46 PM MDT	FLASH FLOOD	1 Wnw Pueblo, CO	FLOODED STREET.

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

The nearest sounding before it

Denver, CO (KDNR), launched 00:00Z, 2.7 hours before the alert went out and 211 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 117 J/kg
Mixed-layer CIN: -37 J/kg
Mixed-layer LCL: 2096 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: -30 m²/s²
0-3 km storm-relative helicity: 65 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.2

Open this sounding in Storm Lab

The text

As transmitted.

806 
WGUS55 KPUB 070243
FFWPUB
COC101-070545-
/O.NEW.KPUB.FF.W.0047.210707T0243Z-210707T0545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Pueblo CO
843 PM MDT Tue Jul 6 2021

The National Weather Service in Pueblo has issued a

* Flash Flood Warning for...
  Central Pueblo County in southeastern Colorado...

* Until 1145 PM MDT.

* At 843 PM MDT, trained weather spotters reported thunderstorms 
  producing heavy rain in Pueblo. Between 1 and 3 inches of rain 
  have fallen. Flash flooding is already occurring.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Trained spotters reported.

  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...
  Pueblo, Salt Creek and Pueblo West.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be aware of your surroundings and do not drive on flooded roads.

&&

LAT...LON 3834 10469 3834 10458 3830 10449 3825 10450
      3824 10468

FLASH FLOOD...OBSERVED

$$

MG/KM

1 follow-up statement

741 
WGUS75 KPUB 070424
FFSPUB

Flash Flood Statement
National Weather Service Pueblo CO
1024 PM MDT Tue Jul 6 2021

COC101-070434-
/O.CAN.KPUB.FF.W.0047.000000T0000Z-210707T0545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Pueblo CO-
1024 PM MDT Tue Jul 6 2021

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

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

LAT...LON 3834 10469 3834 10458 3830 10449 3825 10450
      3824 10468

$$

MG

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 6, 6:13 PM MDT	Special Weather Statement	PUB	Pueblo	47 min
Jul 6, 7:59 PM MDT	Special Weather Statement	PUB	Pueblo	31 min
Jul 6, 9:34 PM MDT	Flash Flood Warning	PUB	El Paso, Fremont, Pueblo, Teller	3 hr

Nearby

Flash Flood Warnings in Colorado, 2021 Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.