Alert archive / Colorado / Flash Flood Watches in 2021

Flash Flood Watch 5, NWS Pueblo, CO

June 6, 20218 counties in Colorado

NWS Pueblo, CO issued this flash flood watch at Jun 6, 2021, 12:15 PM MDT for 8 counties in Colorado. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Jun 6, 2021, 12:15 PM MDT (18:15 UTC)
Expired
Jun 6, 2021, 6:00 PM MDT
In force
6 hr
Issued by
NWS Pueblo, CO
Flood severity
None

Counties Alamosa County, CO, Chaffee County, CO, Costilla County, CO, Custer County, CO, Fremont County, CO, Huerfano County, CO, Las Animas County, CO, Saguache County, CO

The radar

The Pueblo radar (KPUX), 126 km from the middle of the area, began a volume at 18:16 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 12:00Z, 6.3 hours before the alert went out and 290 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 12:00Z on 2021-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 12:00Z on 2021-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 85 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2939 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
85 m²/s²
0-3 km storm-relative helicity
76 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

614 
WGUS65 KPUB 061815
FFAPUB

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Pueblo CO
1215 PM MDT Sun Jun 6 2021

.Potential for flash flooding this afternoon and early evening over 
the Spring Burn Scar.

COZ072-074-087-070100-
/O.NEW.KPUB.FF.A.0005.210606T1815Z-210607T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Northern Sangre de Cristo Mountains Between 8500 And 11000 Feet-
Southern Sangre de Cristo Mountains Between 7500 and 11000 Feet-
Walsenburg Vicinity/Upper Huerfano River Basin Below 7500 Feet-
Including the cities of Weston, Cuchara, Walsenburg, La Veta Pass, 
Poncha Pass, and Stonewall
1215 PM MDT Sun Jun 6 2021

...FLASH FLOOD WATCH IN EFFECT UNTIL 7 PM MDT THIS EVENING...

The National Weather Service in Pueblo has issued a

* Flash Flood Watch for a portion of southeast Colorado, including 
  the following areas, Northern Sangre de Cristo Mountains Between 
  8500 And 11000 Feet, Southern Sangre de Cristo Mountains Between 
  7500 and 11000 Feet and Walsenburg Vicinity/Upper Huerfano River 
  Basin Below 7500 Feet. This includes the Spring Burn Scar.

* Until 7 PM MDT this evening.

* Showers and thunderstorms will continue to develop this afternoon 
  over the higher terrain of southern Colorado. This activity will 
  be capable of producing heavy rainfall, with localized rainfall 
  amounts over 1 inch possible. As a result, there will be some 
  potential for multiple rounds of heavy rainfall to impact the 
  Spring Burn Scar, accompanied by a risk for flash flooding over 
  the burn scar through early this evening.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$

Cohen
1 follow-up statement
200 
WGUS65 KPUB 070000
FFAPUB

Flood Watch
National Weather Service Pueblo CO
600 PM MDT Sun Jun 6 2021

...Flash Flood Watch for the Spring Burn Scar has been cancelled...

.Thunderstorms have moved east of the area and strong 
thunderstorm activity around the Spring Burn scar is no longer
expected. Therefore the Flash Flood Watch has been cancelled.  

COZ072-074-087-070100-
/O.CAN.KPUB.FF.A.0005.000000T0000Z-210607T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Northern Sangre de Cristo Mountains Between 8500 And 11000 Feet-
Southern Sangre de Cristo Mountains Between 7500 and 11000 Feet-
Walsenburg Vicinity/Upper Huerfano River Basin Below 7500 Feet-
Including the cities of La Veta Pass, Poncha Pass, Cuchara, 
Stonewall, Weston, and Walsenburg
600 PM MDT Sun Jun 6 2021

...FLASH FLOOD WATCH IS CANCELLED...

The Flash Flood Watch for a portion of southeast Colorado has
been cancelled. Thunderstorm activity has moved east of the area
and heavy rain is no longer anticipated for the Spring Burn Scar.
Therefore the Flash Flood Watch has been cancelled. 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 5, 6:06 PM MDTSpecial Weather StatementPUBTeller9 min
Jun 5, 6:15 PM MDTSpecial Weather StatementPUBTeller45 min
Jun 5, 6:32 PM MDTSpecial Weather StatementPUBTeller28 min
Jun 5, 6:58 PM MDTSpecial Weather StatementPUBTeller17 min
Jun 6, 12:34 PM MDTSpecial Weather StatementPUBTeller26 min
Jun 6, 1:24 PM MDTSpecial Weather StatementPUBFremont21 min
Jun 6, 1:35 PM MDTSpecial Weather StatementPUBAlamosa25 min
Jun 6, 1:47 PM MDTSpecial Weather StatementPUBEl Paso28 min
Jun 6, 2:01 PM MDTSpecial Weather StatementPUBEl Paso14 min
Jun 6, 2:14 PM MDTSpecial Weather StatementPUBEl Paso16 min
Jun 6, 2:19 PM MDTSevere Thunderstorm WarningPUBEl Paso21 min
Jun 6, 2:28 PM MDTSpecial Weather StatementPUBCostilla32 min
Jun 6, 2:40 PM MDTSpecial Weather StatementPUBEl Paso35 min
Jun 6, 2:42 PM MDTSpecial Weather StatementPUBEl Paso33 min
Jun 6, 2:54 PM MDTSpecial Weather StatementPUBLas Animas36 min
Jun 6, 2:59 PM MDTSpecial Weather StatementPUBCostilla46 min
Jun 6, 3:16 PM MDTSpecial Weather StatementPUBEl Paso29 min
Jun 6, 3:51 PM MDTSpecial Weather StatementPUBEl Paso24 min
Jun 6, 3:55 PM MDTSpecial Weather StatementPUBLas Animas35 min
Jun 6, 4:16 PM MDTSpecial Weather StatementPUBEl Paso29 min
Jun 6, 4:28 PM MDTSpecial Weather StatementPUBLas Animas32 min
Jun 6, 4:44 PM MDTSpecial Weather StatementPUBEl Paso31 min
Jun 6, 4:55 PM MDTSpecial Weather StatementPUBLas Animas35 min
Jun 6, 5:16 PM MDTSpecial Weather StatementPUBCrowley29 min
Jun 6, 5:27 PM MDTSpecial Weather StatementPUBLas Animas33 min

Nearby

Flash Flood Watches in Colorado, 2021Every flash flood watch 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.