Alert archive / Colorado / Flash Flood Watches in 2021

Flash Flood Watch 3, NWS Pueblo, CO

May 30, 202112 counties in Colorado

NWS Pueblo, CO issued this flash flood watch at May 30, 2021, 3:31 AM MDT for 12 counties in Colorado. It took effect at May 30, 2021, 12:00 PM MDT. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued
May 30, 2021, 3:31 AM MDT (09:31 UTC)
In effect from
May 30, 2021, 12:00 PM MDT
Expired
May 30, 2021, 11:06 PM MDT
In force
11 hr
Issued by
NWS Pueblo, CO
Flood severity
None

Counties Alamosa County, CO, Baca County, CO, Bent County, CO, Chaffee County, CO, Costilla County, CO, Custer County, CO, Fremont County, CO, Huerfano County, CO, Las Animas County, CO, Otero County, CO, Pueblo County, CO, Saguache County, CO

The radar

The Pueblo radar (KPUX), 83 km from the middle of the area, began a volume at 09:34 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, 9.5 hours before the alert went out and 258 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 2021-05-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 278 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 2021-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 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
278 J/kg
Mixed-layer CIN
-68 J/kg
Mixed-layer LCL
1446 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
45 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

828 
WGUS65 KPUB 300931
FFAPUB

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Pueblo CO
331 AM MDT Sun May 30 2021

...Flash Flood Watch has been issued for the Junkins, Decker,
Hayden Pass and Spring Burn Scars...

.Abundant low level moisture will combine with a weather system 
to produce widespread showers and thunderstorms across the 
southeast mountains this afternoon. These storms will be capable 
of producing locally heavy rainfall which could result in flash 
flooding, especially if the stronger storms impact one or more of
the burn scars.


COZ072>075-077>080-087-301745-
/O.NEW.KPUB.FF.A.0003.210530T1800Z-210531T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
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-
Southern Sangre de Cristo Mountains Above 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 La Veta Pass, Poncha Pass, Blanca Peak, 
Cuchara, Stonewall, Weston, Spanish Peaks, Coaldale, Cotopaxi, 
Hillside, Howard, Swissvale, Texas Creek, Silver Cliff, 
Westcliffe, Rye, and Walsenburg
331 AM MDT Sun May 30 2021

...FLASH FLOOD WATCH IN EFFECT FROM NOON MDT TODAY THROUGH THIS
EVENING...

The National Weather Service in Pueblo has issued a

* Flash Flood Watch for portions of central Colorado and 
  southeast Colorado, including the following areas, in central 
  Colorado, Fremont County. In southeast Colorado, Huerfano 
  County, Northern Sangre de Cristo Mountains, Southern Sangre 
  de Cristo Mountains, Wet Mountain Valley, and Wet Mountains. 

* From noon MDT today through this evening

* Strong thunderstorms capable of producing heavy rainfall will
  develop over the mountains this afternoon which could cause
  flash flooding of burn scars or areas which have received recent
  heavy rainfall in the southeast mountains.
 
* High flows off burn scars can cut roadways and can cause debris
  flows and mud slides. Do not drive through fast flowing water. 
  
PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flash Flood Watch means that conditions may develop that lead
to flash flooding. Flash flooding is a VERY DANGEROUS SITUATION.

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

&&

$$
4 follow-up statements
734 
WGUS65 KPUB 301716
FFAPUB

Flood Watch
National Weather Service Pueblo CO
1116 AM MDT Sun May 30 2021

...Flash Flood Watch remains in effect for the Junkins, Decker, 
Hayden Pass and Spring Burn Scars...

.Abundant low level moisture will combine with a weather system
to produce widespread showers and thunderstorms across the
southeast mountains this afternoon. These storms will be capable
of producing locally heavy rainfall which could result in flash
flooding, especially if the stronger storms impact one or more of
the burn scars.

COZ072>075-077>080-087-310130-
/O.CON.KPUB.FF.A.0003.210530T1800Z-210531T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
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-
Southern Sangre de Cristo Mountains Above 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 La Veta Pass, Poncha Pass, Blanca Peak, 
Cuchara, Stonewall, Weston, Spanish Peaks, Coaldale, Cotopaxi, 
Hillside, Howard, Swissvale, Texas Creek, Silver Cliff, 
Westcliffe, Rye, and Walsenburg
1116 AM MDT Sun May 30 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 10 PM MDT THIS
EVENING...

The Flash Flood Watch continues for

* Portions of central Colorado and southeast Colorado, including 
  the following areas, in central Colorado, Fremont County. In 
  southeast Colorado, Huerfano County, Northern Sangre de Cristo 
  Mountains, Southern Sangre de Cristo Mountains, Wet Mountain 
  Valley, and Wet Mountains. 

* Until 10 PM MDT this evening

* Strong thunderstorms capable of producing heavy rainfall will 
  develop over the mountains this afternoon which could cause 
  flash flooding of burn scars or areas which have received 
  recent heavy rainfall in the southeast mountains. 

* High flows off burn scars can cut roadways and can cause 
  debris flows and mud slides. Do not drive through fast flowing 
  water. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flash Flood Watch means that conditions may develop that lead
to flash flooding. Flash flooding is a VERY DANGEROUS SITUATION.

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

&&

$$
768 
WGUS65 KPUB 302046
FFAPUB

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Pueblo CO
246 PM MDT Sun May 30 2021

...Flash Flood Watch remains in effect for the Junkins, Decker,
Hayden Pass and Spring Burn Scars...
...Flash Flood Watch has been issued for portions of the southeast
plains tonight...

.Abundant low level moisture will combine with a weather system
to produce widespread showers and thunderstorms across the
southeast mountains and portion of the southeast plains this 
afternoon and evening. These storms will be capable of producing 
locally heavy rainfall which could result in flash flooding.

COZ093-094-097-099-310500-
/O.EXB.KPUB.FF.A.0003.210530T2200Z-210531T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
La Junta Vicinity/Otero County-Eastern Las Animas County-
Las Animas Vicinity/Bent County-Springfield Vicinity/Baca County-
Including the cities of La Junta, Rocky Ford, Branson, Kim, 
Las Animas, Springfield, and Walsh
246 PM MDT Sun May 30 2021

...FLASH FLOOD WATCH IN EFFECT THROUGH LATE TONIGHT...

The National Weather Service in Pueblo has expanded the

* Flash Flood Watch to include a portion of southeast Colorado, 
  including the following areas, Baca County, Bent County, 
  Eastern Las Animas County, and Otero County. 

* Through late tonight

* Several rounds of strong thunderstorms capable of producing
  heavy rainfall will continue across the area this afternoon and
  tonight, with the potential for flash flooding. 

* Do not drive through fast flowing water. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flash Flood Watch means that conditions may develop that lead
to flash flooding. Flash flooding is a VERY DANGEROUS SITUATION.

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

&&

$$

COZ072>075-077>080-087-310400-
/O.CON.KPUB.FF.A.0003.000000T0000Z-210531T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
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-
Southern Sangre de Cristo Mountains Above 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 La Veta Pass, Poncha Pass, Blanca Peak, 
Cuchara, Stonewall, Weston, Spanish Peaks, Coaldale, Cotopaxi, 
Hillside, Howard, Swissvale, Texas Creek, Silver Cliff, 
Westcliffe, Rye, and Walsenburg
246 PM MDT Sun May 30 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 10 PM MDT THIS
EVENING...

The Flash Flood Watch continues for

* Portions of central Colorado and southeast Colorado, including 
  the following areas, in central Colorado, Fremont County. In 
  southeast Colorado, Huerfano County, Northern Sangre de Cristo 
  Mountains, Southern Sangre de Cristo Mountains, Wet Mountain 
  Valley, and Wet Mountains. 

* Until 10 PM MDT this evening

* Strong thunderstorms capable of producing heavy rainfall will
  continue over the mountains this afternoon which could cause 
  flash flooding of burn scars or areas which have received recent
  heavy rainfall in the southeast mountains. 

* High flows off burn scars can cut roadways and can cause 
  debris flows and mud slides. Do not drive through fast flowing 
  water. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flash Flood Watch means that conditions may develop that lead
to flash flooding. Flash flooding is a VERY DANGEROUS SITUATION.

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

&&

$$
970 
WGUS65 KPUB 310354
FFAPUB

Flood Watch
National Weather Service Pueblo CO
954 PM MDT Sun May 30 2021

...Flash Flood Watch is in effect for portions of the southeast 
plains until 6 AM Monday...

.Abundant low level moisture will combine with a weather system
to produce widespread showers and thunderstorms across the 
southeast plains tonight. These storms will be capable of 
producing locally heavy rainfall which could result in flash 
flooding.

COZ072>075-077>080-087-310500-
/O.EXP.KPUB.FF.A.0003.000000T0000Z-210531T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
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-
Southern Sangre de Cristo Mountains Above 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 La Veta Pass, Poncha Pass, Blanca Peak, 
Cuchara, Stonewall, Weston, Spanish Peaks, Coaldale, Cotopaxi, 
Hillside, Howard, Swissvale, Texas Creek, Silver Cliff, 
Westcliffe, Rye, and Walsenburg
954 PM MDT Sun May 30 2021

...FLASH FLOOD WATCH WILL EXPIRE AT 10 PM MDT THIS EVENING...

The Flash Flood Watch for portions of central Colorado and
southeast Colorado will expire at 10 PM MDT this evening.

$$

COZ093-094-097-099-311200-
/O.CON.KPUB.FF.A.0003.000000T0000Z-210531T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
La Junta Vicinity/Otero County-Eastern Las Animas County-
Las Animas Vicinity/Bent County-Springfield Vicinity/Baca County-
Including the cities of La Junta, Rocky Ford, Branson, Kim, 
Las Animas, Springfield, and Walsh
954 PM MDT Sun May 30 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 6 AM MDT MONDAY...

The Flash Flood Watch continues for

* A portion of southeast Colorado, including the following 
  areas, Baca County, Bent County, Eastern Las Animas County, 
  and Otero County. 

* Until 6 AM MDT Monday

* Several rounds of strong thunderstorms capable of producing 
  heavy rainfall will continue across the area this afternoon 
  and tonight, with the potential for flash flooding. 

* Do not drive through fast flowing water.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flash Flood Watch means that conditions may develop that lead
to flash flooding. Flash flooding is a VERY DANGEROUS SITUATION.

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

&&

$$
703 
WGUS65 KPUB 310506
FFAPUB

Flood Watch
National Weather Service Pueblo CO
1106 PM MDT Sun May 30 2021

...Flash flood watch canceled for the eastern plains...

.Short-range guidance indicates a lack of heavy precipitation over
the eastern plains tonight, and consistency in the model runs has
increased forecast confidence.

COZ093-094-097-099-310615-
/O.CAN.KPUB.FF.A.0003.000000T0000Z-210531T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
La Junta Vicinity/Otero County-Eastern Las Animas County-
Las Animas Vicinity/Bent County-Springfield Vicinity/Baca County-
Including the cities of La Junta, Rocky Ford, Branson, Kim, 
Las Animas, Springfield, and Walsh
1106 PM MDT Sun May 30 2021

...FLASH FLOOD WATCH IS CANCELLED...

The Flash Flood Watch for a portion of southeast Colorado has
been cancelled. 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 29, 6:11 PM MDTTornado WarningPUBBaca, Las Animas34 min
May 29, 6:21 PM MDTSpecial Weather StatementPUBEl Paso24 min
May 29, 6:38 PM MDTTornado Warning Tornado observedConsiderable damage threatPUBBaca, Las Animas22 min
May 29, 6:49 PM MDTSpecial Weather StatementPUBEl Paso26 min
May 29, 6:53 PM MDTSevere Thunderstorm WarningPUBEl Paso37 min
May 29, 6:54 PM MDTTornado Warning Tornado observedConsiderable damage threatPUBBaca, Las Animas36 min
May 29, 6:57 PM MDTSpecial Weather StatementPUBEl Paso48 min
May 29, 7:24 PM MDTSevere Thunderstorm WarningPUBBaca, Las Animas36 min
May 29, 7:45 PM MDTSevere Thunderstorm WarningPUBEl Paso30 min
May 29, 7:57 PM MDTFlash Flood WarningPUBEl Paso79 min
May 29, 8:02 PM MDTSpecial Weather StatementPUBBaca43 min
May 29, 8:38 PM MDTSpecial Weather StatementPUBBent, Otero52 min
May 29, 8:46 PM MDTSpecial Weather StatementPUBEl Paso29 min
May 29, 9:11 PM MDTSpecial Weather StatementPUBEl Paso34 min
May 29, 9:28 PM MDTSevere Thunderstorm WarningPUBBent, Otero32 min
May 29, 9:38 PM MDTSpecial Weather StatementPUBBaca37 min
May 29, 9:55 PM MDTSevere Thunderstorm WarningPUBBent, Otero35 min
May 29, 10:00 PM MDTFlash Flood WarningPUBBent, Otero7 hr
May 29, 10:28 PM MDTSevere Thunderstorm WarningPUBBent, Otero32 min
May 29, 11:09 PM MDTSevere Thunderstorm WarningPUBBent, Otero32 min
May 30, 12:09 AM MDTSpecial Weather StatementPUBBent51 min
May 30, 12:18 AM MDTSpecial Weather StatementPUBProwers42 min
May 30, 12:28 AM MDTSevere Thunderstorm WarningPUBBent, Prowers47 min
May 30, 1:08 AM MDTSpecial Weather StatementPUBProwers37 min
May 30, 1:52 AM MDTSpecial Weather StatementPUBProwers38 min
May 30, 4:57 AM MDTAreal Flood WarningPUBBent, Otero3 hr
May 30, 5:05 AM MDTRiver Flood WarningPUBBent14 hr
May 30, 12:25 PM MDTSpecial Weather StatementPUBBent50 min
May 30, 12:41 PM MDTSpecial Weather StatementPUBHuerfano49 min
May 30, 12:54 PM MDTSpecial Weather StatementPUBLas Animas36 min
May 30, 1:02 PM MDTSevere Thunderstorm WarningPUBLas Animas28 min
May 30, 1:31 PM MDTSevere Thunderstorm WarningPUBLas Animas29 min
May 30, 1:38 PM MDTSpecial Weather StatementPUBLas Animas52 min
May 30, 1:48 PM MDTSpecial Weather StatementPUBFremont42 min
May 30, 1:57 PM MDTSevere Thunderstorm WarningPUBLas Animas33 min
May 30, 2:07 PM MDTSevere Thunderstorm WarningPUBLas Animas23 min
May 30, 2:23 PM MDTSevere Thunderstorm WarningPUBBaca, Las Animas37 min
May 30, 2:23 PM MDTTornado WarningPUBLas Animas21 min
May 30, 2:29 PM MDTSevere Thunderstorm WarningPUBLas Animas31 min
May 30, 2:33 PM MDTSevere Thunderstorm WarningPUBLas Animas42 min
May 30, 2:43 PM MDTTornado WarningPUBLas Animas32 min
May 30, 2:48 PM MDTSpecial Weather StatementPUBEl Paso42 min
May 30, 2:54 PM MDTTornado Warning Tornado observedPUBBaca, Las Animas36 min
May 30, 3:10 PM MDTSpecial Weather StatementPUBFremont50 min
May 30, 3:21 PM MDTSevere Thunderstorm WarningPUBEl Paso24 min
May 30, 3:25 PM MDTTornado Warning Tornado observedConsiderable damage threatPUBBaca, Las Animas35 min
May 30, 3:28 PM MDTSevere Thunderstorm WarningPUBCuster, Fremont, Pueblo32 min
May 30, 3:41 PM MDTSevere Thunderstorm WarningPUBEl Paso34 min
May 30, 3:53 PM MDTSevere Thunderstorm WarningPUBLas Animas37 min
May 30, 3:55 PM MDTSevere Thunderstorm WarningPUBPueblo35 min
May 30, 3:57 PM MDTTornado Warning Tornado observedPUBBaca, Las Animas21 min
May 30, 4:12 PM MDTTornado WarningPUBEl Paso21 min
May 30, 4:21 PM MDTSpecial Weather StatementPUBLas Animas39 min
May 30, 4:23 PM MDTSevere Thunderstorm WarningPUBPueblo37 min
May 30, 4:36 PM MDTSpecial Weather StatementPUBEl Paso24 min
May 30, 5:05 PM MDTSpecial Weather StatementPUBPueblo25 min
May 30, 5:20 PM MDTSpecial Weather StatementPUBCrowley25 min
May 30, 5:46 PM MDTSpecial Weather StatementPUBCrowley29 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.