Alert archive / Colorado / Flash Flood Warnings in 2021

Flash Flood Warning 18, NWS Pueblo, CO

June 6, 2021Prowers County, Colorado

NWS Pueblo, CO issued this flash flood warning at Jun 6, 2021, 10:22 PM MDT for Prowers County, Colorado. It was in force for 113 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: Jun 6, 2021, 10:22 PM MDT (04:22 UTC)
Expired: Jun 7, 2021, 12:15 AM MDT
In force: 113 min
Issued by: NWS Pueblo, CO
Area: Storm-based polygon
Damage threat: Considerable
Flood severity: None

County Prowers County, CO

The radar

The Pueblo radar (KPUX), 142 km from the middle of the area, began a volume at 04:24 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, 4.4 hours before the alert went out and 204 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: 60 J/kg
Mixed-layer CIN: -139 J/kg
Mixed-layer LCL: 2807 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 42 m²/s²
0-3 km storm-relative helicity: 113 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.1

Open this sounding in Storm Lab

The text

As transmitted.

473 
WGUS55 KPUB 070422
FFWPUB
COC099-070615-
/O.NEW.KPUB.FF.W.0018.210607T0422Z-210607T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Pueblo CO
1022 PM MDT Sun Jun 6 2021

The National Weather Service in Pueblo has issued a

* Flash Flood Warning for...
  Northwestern Prowers County in southeastern Colorado...

* Until 1215 AM MDT.

* At 1022 PM MDT, trained weather spotters reported thunderstorms 
  producing heavy rain in Lamar. Between 1 and 2 inches of rain have 
  fallen. The expected rainfall rate is 1 to 3 inches in 1 hour. 
  Flash flooding is already occurring.

  HAZARD...Life threatening flash flooding. Thunderstorms
           producing flash flooding.

  SOURCE...Trained spotters reported.

  IMPACT...Life threatening flash flooding of creeks and streams,
           urban areas, highways, streets and underpasses.

* Some locations that will experience flash flooding include...
  Lamar.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

&&

LAT...LON 3809 10254 3800 10258 3802 10264 3808 10270
      3812 10270 3818 10269 3817 10260 3813 10257

FLASH FLOOD...OBSERVED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
EXPECTED RAINFALL...1-3 INCHES IN 1 HOUR

$$

KT

2 follow-up statements

215 
WGUS75 KPUB 070513
FFSPUB

Flash Flood Statement
National Weather Service Pueblo CO
1113 PM MDT Sun Jun 6 2021

COC099-070615-
/O.CON.KPUB.FF.W.0018.000000T0000Z-210607T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Prowers CO-
1113 PM MDT Sun Jun 6 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1215 AM MDT MONDAY 
FOR NORTHWESTERN PROWERS COUNTY...

At 1113 PM MDT, Doppler radar indicated thunderstorms producing 
heavy rain in Lamar have moved out of the warning area. Between 1 
and 2 inches of rain have fallen. Flash flooding is already 
occurring and several intersections in Lamar were flooded but 
passable according to law enforcement.

HAZARD...Life threatening flash flooding. Thunderstorms producing
         flash flooding.

SOURCE...Radar.

IMPACT...Life threatening flash flooding of creeks and streams,
         urban areas, highways, streets and underpasses.

Some locations that will experience flash flooding include...
  Lamar.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

&&

LAT...LON 3809 10254 3800 10258 3802 10264 3808 10270
      3812 10270 3818 10269 3817 10260 3813 10257

FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

KT

832 
WGUS75 KPUB 070614
FFSPUB

Flash Flood Statement
National Weather Service Pueblo CO
1214 AM MDT Mon Jun 7 2021

COC099-070624-
/O.EXP.KPUB.FF.W.0018.000000T0000Z-210607T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Prowers CO-
1214 AM MDT Mon Jun 7 2021

...FLASH FLOOD WARNING WILL EXPIRE AT 1215 AM MDT EARLY THIS MORNING 
FOR NORTHWESTERN PROWERS COUNTY...

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

LAT...LON 3809 10254 3800 10258 3802 10264 3808 10270
      3812 10270 3818 10269 3817 10260 3813 10257

$$

KT

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 6, 6:44 PM MDT	Special Weather Statement	PUB	Las Animas	31 min
Jun 6, 7:17 PM MDT	Special Weather Statement	PUB	Las Animas	28 min
Jun 6, 7:46 PM MDT	Special Weather Statement	PUB		44 min
Jun 6, 8:42 PM MDT	Special Weather Statement	PUB	Baca	48 min
Jun 6, 9:30 PM MDT	Special Weather Statement	PUB	Kiowa	45 min
Jun 6, 9:46 PM MDT	Severe Thunderstorm Warning	PUB	Bent, Prowers	44 min
Jun 6, 10:30 PM MDT	Severe Thunderstorm Warning	PUB	Bent, Prowers	30 min
Jun 6, 11:02 PM MDT	Special Weather Statement	PUB	Prowers	43 min
Jun 6, 11:41 PM MDT	Special Weather Statement	PUB	Prowers	34 min
Jun 6, 11:46 PM MDT	Severe Thunderstorm Warning	PUB	Prowers	44 min
Jun 7, 12:24 AM MDT	Severe Thunderstorm Warning	PUB	Prowers	23 min
Jun 7, 3:44 PM MDT	Special Weather Statement	PUB	Saguache	31 min
Jun 7, 4:13 PM MDT	Special Weather Statement	PUB	Saguache	32 min
Jun 7, 4:46 PM MDT	Special Weather Statement	PUB	Saguache	14 min
Jun 7, 5:04 PM MDT	Special Weather Statement	PUB	Saguache	26 min
Jun 7, 5:27 PM MDT	Special Weather Statement	PUB	El Paso	33 min
Jun 7, 5:45 PM MDT	Special Weather Statement	PUB	Fremont	30 min

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.