Alert archive / Colorado / Flash Flood Watches in 2017

Flash Flood Watch 2, NWS Pueblo, CO

May 10, 2017Costilla County, Huerfano County, Las Animas County, Colorado

NWS Pueblo, CO issued this flash flood watch at May 10, 2017, 4:38 AM MDT for Costilla County, Huerfano County, Las Animas County, Colorado. It took effect at May 10, 2017, 3:00 PM MDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
May 10, 2017, 4:38 AM MDT (10:38 UTC)
In effect from
May 10, 2017, 3:00 PM MDT
Expired
May 10, 2017, 11:00 PM MDT
In force
8 hr
Issued by
NWS Pueblo, CO
Flood severity
None

Counties Costilla County, CO, Huerfano County, CO, Las Animas County, CO

The radar

The Pueblo radar (KPUX), 127 km from the middle of the area, began a volume at 10:39 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 (KDEN), launched 00:00Z, 10.6 hours before the alert went out and 304 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 2017-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 970 joules per kilogram.LCLEL10008507005003002001001 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 2017-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 square meters per square second.19395878Sfc1 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
970 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
1104 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
-30 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

145 
WGUS65 KPUB 101038
FFAPUB

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Pueblo CO
438 AM MDT Wed May 10 2017

...Heavy rain along with snow melt will bring the potential for
flooding in the Spanish Peaks region...

.An upper level low will move eastward across northern New Mexico
today and tonight. This system will bring moderate to heavy rain 
across the Spanish Peaks region this afternoon and evening. The 
combinations of saturated ground, snowmelt and additional heavy 
rain will have the potential to bring flash flooding to the 
Spanish Peaks region.

COZ074-087-088-101845-
/O.NEW.KPUB.FF.A.0002.170510T2100Z-170511T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Southern Sangre de Cristo Mountains Between 7500 and 11000 Ft-
Walsenburg Vicinity/Upper Huerfano River Basin Below 7500 Ft-
Trinidad Vicinity/Western Las Animas County Below 7500 Ft-
Including the cities of Cuchara, Stonewall, Weston, Walsenburg, 
and Trinidad
438 AM MDT Wed May 10 2017

...FLASH FLOOD WATCH IN EFFECT FROM 3 PM MDT THIS AFTERNOON
THROUGH THIS EVENING...

The National Weather Service in Pueblo has issued a

* Flash Flood Watch for a portion of southeast Colorado, 
  including the following areas, Huerfano County, Southern 
  Sangre De Cristo Mountains, and Western Las Animas County. 

* From 3 PM MDT this afternoon through this evening

* Deep upslope flow will bring areas of moderate to heavy rain to
  the Spanish Peaks region this afternoon and evening. This rain
  combined with snow melt will have the potential to bring flash
  flooding to the region.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flash Flood Watch means that conditions may develop that lead
to flash flooding. You should monitor later forecasts and be 
prepared to take action should Flash Flood Warnings be issued.

&&

$$

Hodanish
3 follow-up statements
830 
WGUS65 KPUB 101821
FFAPUB

Flood Watch
National Weather Service Pueblo CO
1221 PM MDT Wed May 10 2017

...Heavy rain along with snow melt will bring the potential for
flooding in the Spanish Peaks region...

.An upper level low will move eastward across northern New Mexico
today and tonight. This system will bring moderate to heavy rain
across the Spanish Peaks region this afternoon and evening. The
combination of saturated ground, snowmelt and additional heavy 
rain will have the potential to bring flash flooding to the 
Spanish Peaks region.

COZ074-087-088-110300-
/O.CON.KPUB.FF.A.0002.170510T2100Z-170511T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Southern Sangre de Cristo Mountains Between 7500 and 11000 Ft-
Walsenburg Vicinity/Upper Huerfano River Basin Below 7500 Ft-
Trinidad Vicinity/Western Las Animas County Below 7500 Ft-
Including the cities of Cuchara, Stonewall, Weston, Walsenburg, 
and Trinidad
1221 PM MDT Wed May 10 2017

...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 11 PM MDT THIS
EVENING...

The Flash Flood Watch continues for

* A portion of southeast Colorado, including the following areas,
  Huerfano County, western Las Animas County, the Southern Sangre
  De Cristo Mountains and the Spanish Peaks Region. 

* Until 11 PM MDT this evening

* Deep upslope flow will bring areas of moderate to heavy rain to
  the Spanish Peaks region this afternoon and evening. This rain
  combined with snow melt will have the potential to cause flash
  flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flash Flood Watch means that conditions may develop that lead
to flash flooding. You should monitor later forecasts and be
prepared to take action should Flash Flood Warnings be issued.

&&

$$
565 
WGUS65 KPUB 102105
FFAPUB

Flood Watch
National Weather Service Pueblo CO
305 PM MDT Wed May 10 2017

...Heavy rain along with snow melt will bring the potential for
flooding to the Spanish Peaks region...

.An upper level low will move eastward across northern New Mexico
today and tonight. This system will bring moderate to heavy rain
across the Spanish Peaks region this afternoon and evening. The
combination of saturated ground, snowmelt and additional heavy
rain will have the potential to bring flash flooding to the
Spanish Peaks region.

COZ074-087-088-110500-
/O.CON.KPUB.FF.A.0002.000000T0000Z-170511T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Southern Sangre de Cristo Mountains Between 7500 and 11000 Ft-
Walsenburg Vicinity/Upper Huerfano River Basin Below 7500 Ft-
Trinidad Vicinity/Western Las Animas County Below 7500 Ft-
Including the cities of Cuchara, Stonewall, Weston, Walsenburg, 
and Trinidad
305 PM MDT Wed May 10 2017

...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 11 PM MDT THIS
EVENING...

The Flash Flood Watch continues for 

* A portion of southeast Colorado, including the following 
  areas, Huerfano County, Southern Sangre De Cristo Mountains, 
  and Western Las Animas County. 

* Until 11 PM MDT this evening

* Deep upslope flow will bring areas of moderate to heavy rain to
  the Spanish Peaks region this afternoon and evening. This rain
  combined with snow melt will have the potential to cause flash
  flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flash Flood Watch means that conditions may develop that lead
to flash flooding. You should monitor later forecasts and be
prepared to take action should Flash Flood Warnings be issued.

&&

$$
102 
WGUS65 KPUB 110504
FFAPUB

Flood Watch
National Weather Service Pueblo CO
1104 PM MDT Wed May 10 2017

...Storm producing heavy rain moving east...

.The storm system which brought heavy rain to the region is 
slowing moving to the east.  

COZ074-087-088-110615-
/O.EXP.KPUB.FF.A.0002.000000T0000Z-170511T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Southern Sangre de Cristo Mountains Between 7500 and 11000 Ft-
Walsenburg Vicinity/Upper Huerfano River Basin Below 7500 Ft-
Trinidad Vicinity/Western Las Animas County Below 7500 Ft-
Including the cities of Cuchara, Stonewall, Weston, Walsenburg, 
and Trinidad
1104 PM MDT Wed May 10 2017

...FLASH FLOOD WATCH WILL EXPIRE AT 11 PM MDT THIS EVENING...

The Flash Flood Watch for a portion of southeast Colorado will
expire at 11 PM MDT this evening. Expect light to moderate
rainfall to continue through around 3AM. With the rainfall
becoming lighter, additional areas of flash flooding are not
anticipated. A flash flooding warning is still in effect for
portions of the watch area, and stay updated on this warning.  

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 9, 6:21 PM MDTSevere Thunderstorm WarningPUBKiowa24 min
May 9, 6:38 PM MDTFlash Flood WarningPUBHuerfano, Las Animas, Otero, Pueblo3 hr
May 9, 6:45 PM MDTSevere Thunderstorm WarningPUBKiowa19 min
May 9, 7:30 PM MDTSpecial Weather StatementPUBKiowa30 min
May 9, 9:29 PM MDTRiver Flood WarningPUBLas Animas10 hr
May 10, 4:30 AM MDTWinter Storm WarningPUBAlamosa, Costilla, Custer, El Paso, Fremont, Huerfano and 4 more32 hr
May 10, 1:04 PM MDTSevere Thunderstorm WarningPUBLas Animas26 min
May 10, 1:29 PM MDTSevere Thunderstorm WarningPUBLas Animas46 min
May 10, 1:40 PM MDTSevere Thunderstorm WarningPUBLas Animas50 min
May 10, 1:49 PM MDTSpecial Weather StatementPUBConejos41 min
May 10, 1:58 PM MDTSpecial Weather StatementPUBRio Grande47 min
May 10, 2:08 PM MDTSpecial Weather StatementPUBHuerfano37 min
May 10, 2:18 PM MDTSpecial Weather StatementPUBPueblo27 min
May 10, 2:20 PM MDTSpecial Weather StatementPUBLas Animas40 min
May 10, 2:24 PM MDTSpecial Weather StatementPUBOtero51 min
May 10, 2:40 PM MDTSevere Thunderstorm WarningPUBLas Animas50 min
May 10, 2:49 PM MDTSpecial Weather StatementPUBCuster41 min
May 10, 3:01 PM MDTAreal Flood AdvisoryPUBCuster, Fremont, Saguache3 hr
May 10, 3:14 PM MDTSevere Thunderstorm WarningPUBCostilla, Huerfano31 min
May 10, 3:15 PM MDTSevere Thunderstorm WarningPUBCuster, Fremont, Huerfano, Pueblo60 min
May 10, 3:19 PM MDTFlash Flood WarningPUBCuster, Pueblo8 hr
May 10, 3:19 PM MDTSevere Thunderstorm WarningPUBLas Animas, Otero41 min
May 10, 3:28 PM MDTFlash Flood WarningPUBCuster, Fremont, Saguache3 hr
May 10, 3:45 PM MDTSpecial Weather StatementPUBCrowley45 min
May 10, 3:51 PM MDTSevere Thunderstorm WarningPUBBent, Prowers24 min
May 10, 3:56 PM MDTSevere Thunderstorm WarningPUBOtero34 min
May 10, 3:59 PM MDTFlash Flood WarningPUBCuster, Fremont, Pueblo9 hr
May 10, 4:05 PM MDTFlash Flood WarningPUBBent, Las Animas, Otero3 hr
May 10, 4:12 PM MDTSevere Thunderstorm WarningPUBCuster, Fremont, Pueblo48 min
May 10, 4:14 PM MDTSevere Thunderstorm WarningPUBCrowley, Kiowa, Otero31 min
May 10, 4:16 PM MDTSevere Thunderstorm WarningPUBBent, Prowers29 min
May 10, 4:40 PM MDTSevere Thunderstorm WarningPUBBent, Prowers50 min
May 10, 4:42 PM MDTSevere Thunderstorm WarningPUBCrowley, Kiowa, Otero48 min
May 10, 4:48 PM MDTFlash Flood WarningPUBBent, Crowley, Kiowa, Otero3 hr
May 10, 5:14 PM MDTSevere Thunderstorm WarningPUBBent, Prowers31 min
May 10, 5:28 PM MDTSevere Thunderstorm WarningPUBBaca32 min
May 10, 5:52 PM MDTAreal Flood AdvisoryPUBCrowley, Otero, Pueblo3 hr

Nearby

Flash Flood Watches in Colorado, 2017Every flash flood watch in 2017

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.