Alert archive / Colorado / Flash Flood Warnings in 2017

Flash Flood Warning 37, NWS Pueblo, CO

July 28, 2017Bent County, Colorado

NWS Pueblo, CO issued this flash flood warning at Jul 28, 2017, 10:00 PM MDT for Bent County, Colorado. It was in force for 2 hr. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jul 28, 2017, 10:00 PM MDT (04:00 UTC)
Expired
Jul 29, 2017, 12:00 AM MDT
In force
2 hr
Issued by
NWS Pueblo, CO
Area
Storm-based polygon
Flood severity
None

County Bent County, CO

The radar

The Pueblo radar (KPUX), 112 km from the middle of the area, began a volume at 04:01 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.

What was reported inside it

TimeReportWhereRemark
Jul 28, 10:00 PM MDTFLASH FLOODLas Animas, COUP TO 2 FEET OF WATER REPORTED ON ROADS IN LAS ANIMAS.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Denver, CO (KDEN), launched 00:00Z, 4.0 hours before the alert went out and 198 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 2017-07-29Temperature 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 2017-07-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -61 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
2171 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
-61 m²/s²
0-3 km storm-relative helicity
-78 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

844 
WGUS55 KPUB 290400
FFWPUB
COC011-290600-
/O.NEW.KPUB.FF.W.0037.170729T0400Z-170729T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Pueblo CO
1000 PM MDT FRI JUL 28 2017

The National Weather Service in Pueblo has issued a

* Flash Flood Warning for...
  Northern Bent County in southeastern Colorado...

* Until midnight MDT

* At 958 PM MDT, Doppler radar indicated thunderstorms producing 
  heavy rain along the highway 50 corridor in Bent county. Flash 
  flooding was reported in Las Animas. 1.6 inches of rain has 
  fallend in 25 minutes. Roads are reported to be impassable.

* Some locations that will experience flooding include...
  Las Animas, Hasty, McClave, John Martin Reservoir, Fort Lyon and
  Caddoa.

LAT...LON 3820 10276 3794 10275 3800 10332 3818 10330

$$

Hodanish
4 follow-up statements
490 
WGUS75 KPUB 290429
FFSPUB

Flash Flood Statement
National Weather Service Pueblo CO
1029 PM MDT FRI JUL 28 2017

COC011-290600-
/O.CON.KPUB.FF.W.0037.000000T0000Z-170729T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Bent CO-
1029 PM MDT FRI JUL 28 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT FOR
NORTHERN BENT COUNTY...

At 1026 PM MDT, Doppler radar indicated thunderstorms producing 
heavy rain across eastern Bent county. Radar estimated between 1.5 
to 2.5 inches of rain has fallen across northern Bent county between 
925 pm and 1025 pm. The heavy rain has ended across western Bent 
county.

Some locations that will experience flooding include...
Las Animas, Hasty, McClave, John Martin Reservoir, Fort Lyon and
Caddoa.

LAT...LON 3820 10276 3794 10275 3800 10332 3818 10330

$$

Hodanish
447 
WGUS75 KPUB 290501
FFSPUB

Flash Flood Statement
National Weather Service Pueblo CO
1101 PM MDT FRI JUL 28 2017

COC011-290600-
/O.CON.KPUB.FF.W.0037.000000T0000Z-170729T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Bent CO-
1101 PM MDT FRI JUL 28 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT FOR
NORTHERN BENT COUNTY...

At 1058 PM MDT, Doppler radar indicated nearly all of the heaviest 
rain has moved out of the warned area. Flash flooding and high water 
is still likely occurring along the highway 50 corridor from Las 
Animas to the Prowers county line. If you are driving on Highway 50 
tonight, use extreme caution. Do not drive in areas that are 
flooded. 

Some locations that will experience flooding include...
Las Animas, Hasty, McClave, John Martin Reservoir, Fort Lyon and
Caddoa.

LAT...LON 3820 10276 3794 10275 3800 10332 3818 10330

$$

Hodanish
038 
WGUS75 KPUB 290538
FFSPUB

Flash Flood Statement
National Weather Service Pueblo CO
1138 PM MDT FRI JUL 28 2017

COC011-290600-
/O.CON.KPUB.FF.W.0037.000000T0000Z-170729T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Bent CO-
1138 PM MDT FRI JUL 28 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT FOR
NORTHERN BENT COUNTY...

At 1134 PM MDT, Doppler radar indicated scattered showers were still 
occurring along the highway 50 corridor in northern Bent County. 
Reports from the Las Animas sheriff indicate US-50 is open through 
Las Animas. However, several side roads are still flooded in the 
town of Las Animas. It is also likely that many county roadways in 
Bent county are still flooded. 


LAT...LON 3820 10276 3794 10275 3800 10332 3818 10330

$$

Hodanish
555 
WGUS75 KPUB 290602
FFSPUB

Flash Flood Statement
National Weather Service Pueblo CO
1202 AM MDT SAT JUL 29 2017

COC011-290608-
/O.EXP.KPUB.FF.W.0037.000000T0000Z-170729T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Bent CO-
1202 AM MDT SAT JUL 29 2017

...THE FLASH FLOOD WARNING FOR NORTHERN BENT COUNTY WILL EXPIRE AT
MIDNIGHT MDT...

The heavy rain has ended. Additional flooding is no longer expected 
to pose a threat. Please continue to heed any remaining road 
closures. 

LAT...LON 3820 10276 3794 10275 3800 10332 3818 10330

$$

Hodanish

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 28, 7:05 PM MDTSpecial Weather StatementPUBCrowley25 min
Jul 28, 7:49 PM MDTSpecial Weather StatementPUBCrowley26 min
Jul 28, 8:42 PM MDTSpecial Weather StatementPUBKiowa33 min
Jul 28, 9:17 PM MDTSpecial Weather StatementPUBBent, Kiowa28 min
Jul 28, 9:30 PM MDTSevere Thunderstorm WarningPUBBent, Kiowa, Otero, Prowers45 min
Jul 28, 10:14 PM MDTSevere Thunderstorm WarningPUBBaca, Bent, Prowers31 min
Jul 28, 10:39 PM MDTAreal Flood AdvisoryPUBKiowa, Prowers3 hr
Jul 28, 10:44 PM MDTSpecial Weather StatementPUBProwers46 min
Jul 28, 10:47 PM MDTSpecial Weather StatementPUBLas Animas43 min
Jul 28, 11:05 PM MDTAreal Flood AdvisoryPUBLas Animas3 hr
Jul 28, 11:30 PM MDTSpecial Weather StatementPUBBaca60 min
Jul 29, 12:33 AM MDTSpecial Weather StatementPUBBaca87 min
Jul 29, 4:04 AM MDTFlash Flood WatchPUBAlamosa, Baca, Bent, Chaffee, Costilla, Crowley and 12 more23 hr
Jul 29, 12:20 PM MDTSpecial Weather StatementPUBConejos25 min
Jul 29, 1:32 PM MDTAreal Flood AdvisoryPUBHuerfano3 hr
Jul 29, 2:43 PM MDTSpecial Weather StatementPUBLas Animas47 min
Jul 29, 3:10 PM MDTAreal Flood AdvisoryPUBCostilla, Huerfano, Las Animas3 hr
Jul 29, 3:47 PM MDTSpecial Weather StatementPUBLas Animas43 min
Jul 29, 4:20 PM MDTSpecial Weather StatementPUBLas Animas40 min
Jul 29, 4:40 PM MDTSpecial Weather StatementPUB50 min
Jul 29, 4:44 PM MDTSpecial Weather StatementPUBPueblo76 min
Jul 29, 4:50 PM MDTSpecial Weather StatementPUBAlamosa25 min
Jul 29, 5:04 PM MDTSpecial Weather StatementPUBFremont26 min
Jul 29, 5:08 PM MDTSpecial Weather StatementPUBLas Animas37 min
Jul 29, 5:42 PM MDTAreal Flood AdvisoryPUBCuster, Pueblo2 hr

Nearby

Flash Flood Warnings in Colorado, 2017Every flash flood warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.