Alert archive / Colorado / Flash Flood Warnings in 2017

Flash Flood Warning 42, NWS Pueblo, CO

July 29, 2017Las Animas County, Colorado

NWS Pueblo, CO issued this flash flood warning at Jul 29, 2017, 10:50 PM MDT for Las Animas County, Colorado. It was in force for 115 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 29, 2017, 10:50 PM MDT (04:50 UTC)
Expired: Jul 30, 2017, 12:45 AM MDT
In force: 115 min
Issued by: NWS Pueblo, CO
Area: Storm-based polygon
Flood severity: None

County Las Animas County, CO

The radar

The Pueblo radar (KPUX), 155 km from the middle of the area, began a volume at 04:52 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

Albuquerq/Krtlnd, NM (KABQ), launched 00:00Z, 4.8 hours before the alert went out and 294 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 31 J/kg
Mixed-layer CIN: -33 J/kg
Mixed-layer LCL: 2568 m above ground
0-6 km bulk shear: 6 kt
0-1 km storm-relative helicity: -17 m²/s²
0-3 km storm-relative helicity: 23 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

008 
WGUS55 KPUB 300450
FFWPUB
COC071-300645-
/O.NEW.KPUB.FF.W.0042.170730T0450Z-170730T0645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Pueblo CO
1050 PM MDT SAT JUL 29 2017

The National Weather Service in Pueblo has issued a

* Flash Flood Warning for...
  Southwestern Las Animas County in southeastern Colorado...

* Until 1245 AM MDT

* At 1048 PM MDT, Doppler radar indicated intense rainfall along I-
  25 from Trinidad to the New Mexico border. Flash flooding and 
  rockslides along I-25 is likely. Radar estimates 1 inch of rain 
  has fallen in 15 minutes between Trinidad and Raton Pass.

* Some locations that will experience flooding include...
  Trinidad, Starkville and Raton Pass. 

LAT...LON 3715 10458 3715 10444 3699 10440 3700 10456

$$

Hodanish

2 follow-up statements

257 
WGUS75 KPUB 300528
FFSPUB

Flash Flood Statement
National Weather Service Pueblo CO
1128 PM MDT SAT JUL 29 2017

COC071-300645-
/O.CON.KPUB.FF.W.0042.000000T0000Z-170730T0645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Las Animas CO-
1128 PM MDT SAT JUL 29 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1245 AM MDT FOR
SOUTHWESTERN LAS ANIMAS COUNTY...

At 1124 PM MDT, Doppler radar indicated rain was gradually 
decreasing along I-25 between Trinidad and Raton Pass. Radar 
estimated between 1.0 and 1.5 inches of rain fell between 1045 ann 
1125 pm. Be alert for water and rock debris on the interstate 
between Trinidad and Raton Pass. 

Some locations that will experience flooding include...
Trinidad, Starkville and Raton Pass. 

LAT...LON 3715 10458 3715 10444 3699 10440 3700 10456

$$

Hodanish

749 
WGUS75 KPUB 300643
FFSPUB

Flash Flood Statement
National Weather Service Pueblo CO
1243 AM MDT SUN JUL 30 2017

COC071-300653-
/O.EXP.KPUB.FF.W.0042.000000T0000Z-170730T0645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Las Animas CO-
1243 AM MDT SUN JUL 30 2017

...THE FLASH FLOOD WARNING FOR SOUTHWESTERN LAS ANIMAS COUNTY WILL
EXPIRE AT 1245 AM MDT...

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

LAT...LON 3715 10458 3715 10444 3699 10440 3700 10456

$$

KT

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 29, 6:16 PM MDT	Flash Flood Warning	PUB	Pueblo	119 min
Jul 29, 6:22 PM MDT	Special Weather Statement	PUB	Bent	23 min
Jul 29, 6:33 PM MDT	Flash Flood Warning	PUB	Fremont, Pueblo	3 hr
Jul 29, 6:39 PM MDT	Flash Flood Warning	PUB	Custer, Pueblo	3 hr
Jul 29, 7:11 PM MDT	Special Weather Statement	PUB	Baca	49 min
Jul 29, 7:25 PM MDT	Special Weather Statement	PUB	Bent	35 min
Jul 29, 7:35 PM MDT	Areal Flood Advisory	PUB	El Paso, Pueblo	3 hr
Jul 29, 7:55 PM MDT	Flash Flood Warning	PUB	Custer, Fremont	3 hr
Jul 29, 8:12 PM MDT	Areal Flood Advisory	PUB	Baca	2 hr
Jul 29, 10:11 PM MDT	Areal Flood Advisory	PUB	Bent, Crowley, Kiowa, Otero	3 hr
Jul 30, 3:01 AM MDT	Flash Flood Watch	PUB	Alamosa, Baca, Bent, Chaffee, Costilla, Crowley and 12 more	24 hr
Jul 30, 2:56 PM MDT	Areal Flood Advisory	PUB	Huerfano, Las Animas	2 hr
Jul 30, 3:27 PM MDT	Special Weather Statement	PUB	Crowley	48 min
Jul 30, 3:34 PM MDT	Areal Flood Advisory	PUB	Pueblo	116 min
Jul 30, 3:55 PM MDT	Areal Flood Advisory	PUB	Pueblo	2 hr
Jul 30, 4:11 PM MDT	Special Weather Statement	PUB	El Paso	34 min
Jul 30, 4:15 PM MDT	Areal Flood Advisory	PUB	El Paso, Fremont, Pueblo, Teller	2 hr
Jul 30, 4:31 PM MDT	Areal Flood Advisory	PUB	El Paso	119 min
Jul 30, 4:54 PM MDT	Areal Flood Advisory	PUB	Custer, Fremont	3 hr
Jul 30, 5:05 PM MDT	Special Weather Statement	PUB		25 min
Jul 30, 5:19 PM MDT	Areal Flood Advisory	PUB	Las Animas	116 min

Nearby

Flash Flood Warnings in Colorado, 2017 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.