Alert archive / Colorado / Flash Flood Watches in 2021

Flash Flood Watch 9, NWS Pueblo, CO

July 5, 202110 counties in Colorado

NWS Pueblo, CO issued this flash flood watch at Jul 5, 2021, 2:39 AM MDT for 10 counties in Colorado. It took effect at Jul 5, 2021, 12:00 PM MDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Jul 5, 2021, 2:39 AM MDT (08:39 UTC)
In effect from
Jul 5, 2021, 12:00 PM MDT
Expired
Jul 5, 2021, 9:00 PM MDT
In force
9 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, Lake County, CO, Las Animas County, CO, Pueblo County, CO, Saguache County, CO

The radar

The Pueblo radar (KPUX), 118 km from the middle of the area, began a volume at 08:39 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, 8.7 hours before the alert went out and 277 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 2021-07-05Temperature 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 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 2021-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -65 square meters per square second.193958Sfc1 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
2682 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
-65 m²/s²
0-3 km storm-relative helicity
75 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

As transmitted.

623 
WGUS65 KPUB 050839
FFAPUB

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Pueblo CO
239 AM MDT Mon Jul 5 2021

.The Flash Flood Watch is meant for the Spring, Decker, Junkins, and 
Hayden Pass burn scars, as well as for the Chalk Cliffs. Ample 
moisture will be available and a stronger shortwave will initiate 
widespread thunderstorms over the mountains.

COZ060>062-072>074-077>080-087-051645-
/O.NEW.KPUB.FF.A.0009.210705T1800Z-210706T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Eastern Sawatch Mountains Above 11000 Feet-Western Chaffee County
Between 9000 and 11000 Feet-Central Chaffee County Below 9000 Feet-
Northern Sangre de Cristo Mountains Between 8500 And 11000 Feet-
Northern Sangre de Cristo Mountains Above 11000 Feet-Southern Sangre
de Cristo Mountains Between 7500 and 11000 Feet-Western/Central
Fremont County Below 8500 Feet-Wet Mountain Valley Below 8500 Feet-
Wet Mountains between 6300 and 10000 Feet-Wet Mountains Above
10000 Feet-Walsenburg Vicinity/Upper Huerfano River Basin Below
7500 Feet-
Including the cities of Texas Creek, Howard, Rye, Walsenburg, 
Swissvale, St Elmo, Bonanza, Granite, Coaldale, Hillside, Buena 
Vista, Cuchara, La Veta Pass, Silver Cliff, Alpine, Blanca Peak, 
Cotopaxi, Stonewall, Westcliffe, Salida, Weston, and Poncha Pass
239 AM MDT Mon Jul 5 2021

...FLASH FLOOD WATCH HAS BEEN ISSUED FROM NOON MDT TODAY THROUGH 9PM 
THIS EVENING...

The National Weather Service in Pueblo has issued a

* This Flash Flood Watch will encompass much southern and south 
  central Colorado, but is primarily for the Spring, Decker, 
  Junkins, and Hayden Pass burn scars, as well as for the Chalk 
  Cliffs.

* From Noon MDT today through this evening.

* Widespread thunderstorms are expected over the mountains this 
  afternoon which increased the risk for flash flooding over the 
  burn scars. Antecedent saturated soils will also make areas 
  outside of the burn scars more prone to flash flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

KS
3 follow-up statements
185 
WGUS65 KPUB 051627
FFAPUB

Flood Watch
National Weather Service Pueblo CO
1027 AM MDT Mon Jul 5 2021

COZ060>062-072>074-077>080-087-060030-
/O.CON.KPUB.FF.A.0009.210705T1800Z-210706T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Eastern Sawatch Mountains Above 11000 Feet-Western Chaffee County
Between 9000 and 11000 Feet-Central Chaffee County Below 9000 Feet-
Northern Sangre de Cristo Mountains Between 8500 And 11000 Feet-
Northern Sangre de Cristo Mountains Above 11000 Feet-Southern Sangre
de Cristo Mountains Between 7500 and 11000 Feet-Western/Central
Fremont County Below 8500 Feet-Wet Mountain Valley Below 8500 Feet-
Wet Mountains between 6300 and 10000 Feet-Wet Mountains Above
10000 Feet-Walsenburg Vicinity/Upper Huerfano River Basin Below
7500 Feet-
Including the cities of Texas Creek, Howard, Rye, Walsenburg, 
Swissvale, St Elmo, Bonanza, Granite, Coaldale, Hillside, Buena 
Vista, Cuchara, La Veta Pass, Silver Cliff, Alpine, Blanca Peak, 
Cotopaxi, Stonewall, Westcliffe, Salida, Weston, and Poncha Pass
1027 AM MDT Mon Jul 5 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING...

The Flash Flood Watch continues for

* This Flash Flood Watch will encompass much southern and south   
  central Colorado, but is primarily for the Spring, Decker, 
  Junkins, and Hayden Pass burn scars, as well as for the Chalk 
  Cliffs.

* Until 9 PM MDT this evening.

* Widespread thunderstorms are expected over the mountains this 
  afternoon which increased the risk for flash flooding over the 
  burn scars. Antecedent saturated soils will also make areas 
  outside of the burn scars more prone to flash flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

Rodriguez
502 
WGUS65 KPUB 052338
FFAPUB

Flood Watch
National Weather Service Pueblo CO
538 PM MDT Mon Jul 5 2021

COZ060>062-072>074-077>080-087-060300-
/O.CON.KPUB.FF.A.0009.000000T0000Z-210706T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Eastern Sawatch Mountains Above 11000 Feet-Western Chaffee County
Between 9000 and 11000 Feet-Central Chaffee County Below 9000 Feet-
Northern Sangre de Cristo Mountains Between 8500 And 11000 Feet-
Northern Sangre de Cristo Mountains Above 11000 Feet-Southern Sangre
de Cristo Mountains Between 7500 and 11000 Feet-Western/Central
Fremont County Below 8500 Feet-Wet Mountain Valley Below 8500 Feet-
Wet Mountains between 6300 and 10000 Feet-Wet Mountains Above
10000 Feet-Walsenburg Vicinity/Upper Huerfano River Basin Below
7500 Feet-
Including the cities of Texas Creek, Howard, Rye, Walsenburg, 
Swissvale, St Elmo, Bonanza, Granite, Coaldale, Hillside, Buena 
Vista, Cuchara, La Veta Pass, Silver Cliff, Alpine, Blanca Peak, 
Cotopaxi, Stonewall, Westcliffe, Salida, Weston, and Poncha Pass
538 PM MDT Mon Jul 5 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING...

The Flash Flood Watch continues for

* Portions of central Colorado and southeast Colorado, including the 
  following areas, in central Colorado, Central Chaffee County Below 
  9000 Feet, Eastern Sawatch Mountains Above 11000 Feet, Western 
  Chaffee County Between 9000 and 11000 Feet and Western/Central 
  Fremont County Below 8500 Feet. In southeast Colorado, Northern 
  Sangre de Cristo Mountains Above 11000 Feet, 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, Wet Mountain 
  Valley Below 8500 Feet, Wet Mountains Above 10000 Feet and Wet 
  Mountains between 6300 and 10000 Feet.

* Until 9 PM MDT this evening.

* Showers and thunderstorms will continue into this evening, mainly 
  over the mountains and higher terrain, which could impact burn 
  scar areas.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MG
252 
WGUS65 KPUB 060257
FFAPUB

Flood Watch
National Weather Service Pueblo CO
857 PM MDT Mon Jul 5 2021

COZ060>062-072>074-077>080-087-060400-
/O.EXP.KPUB.FF.A.0009.000000T0000Z-210706T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Eastern Sawatch Mountains Above 11000 Feet-Western Chaffee County
Between 9000 and 11000 Feet-Central Chaffee County Below 9000 Feet-
Northern Sangre de Cristo Mountains Between 8500 And 11000 Feet-
Northern Sangre de Cristo Mountains Above 11000 Feet-Southern Sangre
de Cristo Mountains Between 7500 and 11000 Feet-Western/Central
Fremont County Below 8500 Feet-Wet Mountain Valley Below 8500 Feet-
Wet Mountains between 6300 and 10000 Feet-Wet Mountains Above
10000 Feet-Walsenburg Vicinity/Upper Huerfano River Basin Below
7500 Feet-
Including the cities of Texas Creek, Howard, Rye, Walsenburg, 
Swissvale, St Elmo, Bonanza, Granite, Coaldale, Hillside, Buena 
Vista, Cuchara, La Veta Pass, Silver Cliff, Alpine, Blanca Peak, 
Cotopaxi, Stonewall, Westcliffe, Salida, Weston, and Poncha Pass
857 PM MDT Mon Jul 5 2021

...FLASH FLOOD WATCH WILL EXPIRE AT 9 PM MDT THIS EVENING...

The Flash Flood Watch for portions of central Colorado and southeast 
Colorado, including the following areas, in central Colorado, 
Central Chaffee County Below 9000 Feet, Eastern Sawatch Mountains 
Above 11000 Feet, Western Chaffee County Between 9000 and 11000 Feet 
and Western/Central Fremont County Below 8500 Feet. In southeast 
Colorado, Northern Sangre de Cristo Mountains Above 11000 Feet, 
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, Wet 
Mountain Valley Below 8500 Feet, Wet Mountains Above 10000 Feet and 
Wet Mountains between 6300 and 10000 Feet will expire at 9 PM MDT 
this evening.

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

$$

MG

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 4, 6:20 PM MDTSpecial Weather StatementPUBTeller25 min
Jul 4, 6:26 PM MDTSevere Thunderstorm WarningPUBBaca42 min
Jul 4, 6:28 PM MDTSevere Thunderstorm WarningPUBKiowa41 min
Jul 4, 6:34 PM MDTSpecial Weather StatementPUBTeller26 min
Jul 4, 6:55 PM MDTSpecial Weather StatementPUBTeller35 min
Jul 4, 7:19 PM MDTSpecial Weather StatementPUBProwers41 min
Jul 4, 7:19 PM MDTSpecial Weather StatementPUBBaca41 min
Jul 4, 7:25 PM MDTSevere Thunderstorm WarningPUBProwers38 min
Jul 4, 7:29 PM MDTSpecial Weather StatementPUBFremont46 min
Jul 4, 7:30 PM MDTSevere Thunderstorm WarningPUBBaca17 min
Jul 4, 7:56 PM MDTSevere Thunderstorm WarningPUBBaca, Las Animas21 min
Jul 4, 8:00 PM MDTSevere Thunderstorm WarningPUBProwers30 min
Jul 4, 8:08 PM MDTSevere Thunderstorm WarningPUBKiowa, Prowers37 min
Jul 4, 8:09 PM MDTSevere Thunderstorm WarningPUBBaca51 min
Jul 4, 8:16 PM MDTSpecial Weather StatementPUBProwers44 min
Jul 4, 8:18 PM MDTSpecial Weather StatementPUBFremont42 min
Jul 4, 8:20 PM MDTSevere Thunderstorm WarningPUBBaca, Bent, Prowers25 min
Jul 4, 8:25 PM MDTSevere Thunderstorm WarningPUBKiowa, Prowers35 min
Jul 4, 8:36 PM MDTFlash Flood WarningPUBProwers2 hr
Jul 4, 8:42 PM MDTSevere Thunderstorm WarningPUBBaca33 min
Jul 4, 8:44 PM MDTSevere Thunderstorm WarningPUBBaca, Bent, Prowers31 min
Jul 4, 8:48 PM MDTFlash Flood Warning Considerable damage threatPUBCuster, Fremont85 min
Jul 4, 9:01 PM MDTSpecial Weather StatementPUBProwers44 min
Jul 4, 9:10 PM MDTSevere Thunderstorm WarningPUBBaca, Las Animas35 min
Jul 4, 9:22 PM MDTSevere Thunderstorm WarningPUBBent, Prowers38 min
Jul 4, 9:44 PM MDTSpecial Weather StatementPUB31 min
Jul 4, 9:56 PM MDTSpecial Weather StatementPUBBent34 min
Jul 5, 12:45 PM MDTFlash Flood Warning Considerable damage threatPUBChaffee3 hr
Jul 5, 1:12 PM MDTSpecial Weather StatementPUBSaguache48 min
Jul 5, 1:25 PM MDTSpecial Weather StatementPUBMineral35 min
Jul 5, 1:52 PM MDTSpecial Weather StatementPUBChaffee38 min
Jul 5, 2:22 PM MDTSpecial Weather StatementPUBTeller23 min
Jul 5, 2:28 PM MDTSpecial Weather StatementPUBSaguache47 min
Jul 5, 2:51 PM MDTSevere Thunderstorm WarningPUBTeller24 min
Jul 5, 2:55 PM MDTSpecial Weather StatementPUBFremont35 min
Jul 5, 2:57 PM MDTSpecial Weather StatementPUBFremont33 min
Jul 5, 3:09 PM MDTSpecial Weather StatementPUBCuster36 min
Jul 5, 3:14 PM MDTSpecial Weather StatementPUBRio Grande31 min
Jul 5, 3:23 PM MDTSpecial Weather StatementPUBSaguache37 min
Jul 5, 3:29 PM MDTSpecial Weather StatementPUBAlamosa31 min
Jul 5, 3:44 PM MDTSpecial Weather StatementPUBCuster31 min
Jul 5, 3:53 PM MDTAreal Flood AdvisoryPUBCuster56 min
Jul 5, 4:02 PM MDTSpecial Weather StatementPUBAlamosa28 min
Jul 5, 4:08 PM MDTSpecial Weather StatementPUBAlamosa37 min
Jul 5, 4:11 PM MDTSpecial Weather StatementPUBCuster34 min
Jul 5, 4:34 PM MDTSevere Thunderstorm WarningPUBCuster, Saguache26 min
Jul 5, 4:47 PM MDTFlash Flood Warning Considerable damage threatPUBCuster, Huerfano3 hr
Jul 5, 4:52 PM MDTSpecial Weather StatementPUBCostilla38 min
Jul 5, 4:58 PM MDTSpecial Weather StatementPUBCuster32 min
Jul 5, 5:14 PM MDTSpecial Weather StatementPUBCostilla31 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.