Alert archive / Colorado / Special Weather Statements in 2017

Special Weather Statement, NWS Pueblo, CO

August 12, 2017Bent County, Colorado

NWS Pueblo, CO issued this special weather statement at Aug 12, 2017, 9:10 PM MDT for Bent County, Colorado. It was in force for 35 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
Aug 12, 2017, 9:10 PM MDT (03:10 UTC)
Expired
Aug 12, 2017, 9:45 PM MDT
In force
35 min
Issued by
NWS Pueblo, CO

County Bent County, CO

The radar

The Pueblo radar (KPUX), 105 km from the middle of the area, began a volume at 03:13 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, 3.2 hours before the alert went out and 202 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 2017-08-13Temperature 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 2017-08-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 120 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2378 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
120 m²/s²
0-3 km storm-relative helicity
194 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

675 
WWUS85 KPUB 130310
SPSPUB

Special Weather Statement
National Weather Service Pueblo CO
910 PM MDT SAT AUG 12 2017
 
COZ097-130345-
Las Animas Vicinity/Bent County CO-
910 PM MDT SAT AUG 12 2017

...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN BENT COUNTY UNTIL 945 PM
MDT...

At 909 PM MDT, Doppler radar was tracking a strong thunderstorm near
Las Animas, or 22 miles northeast of North La Junta, moving southeast
at 15 mph.

Dime size hail and winds in excess of 30 mph will be possible with
this storm.

Locations impacted include...
Las Animas, Hasty, John Martin Reservoir, Fort Lyon and Caddoa. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3806 10328 3822 10317 3809 10278 3786 10296
TIME...MOT...LOC 0309Z 301DEG 14KT 3811 10315 

$$

28

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 12, 6:01 PM MDTSpecial Weather StatementPUBEl Paso89 min
Aug 12, 6:45 PM MDTSpecial Weather StatementPUBEl Paso90 min
Aug 12, 7:44 PM MDTSpecial Weather StatementPUBKiowa91 min
Aug 12, 7:50 PM MDTSpecial Weather StatementPUBPueblo40 min
Aug 12, 7:53 PM MDTSpecial Weather StatementPUBPueblo37 min
Aug 12, 8:10 PM MDTSpecial Weather StatementPUBKiowa50 min
Aug 12, 8:42 PM MDTSpecial Weather StatementPUBKiowa48 min
Aug 12, 9:25 PM MDTSpecial Weather StatementPUBPueblo50 min
Aug 12, 9:36 PM MDTSpecial Weather StatementPUBBent, Prowers24 min
Aug 12, 10:19 PM MDTSpecial Weather StatementPUBBaca26 min
Aug 12, 11:51 PM MDTSpecial Weather StatementPUBLas Animas24 min
Aug 13, 1:40 AM MDTSpecial Weather StatementPUBBaca35 min
Aug 13, 12:23 PM MDTSpecial Weather StatementPUBChaffee37 min
Aug 13, 1:29 PM MDTSpecial Weather StatementPUBConejos31 min
Aug 13, 2:09 PM MDTSpecial Weather StatementPUBConejos36 min
Aug 13, 2:16 PM MDTSevere Thunderstorm WarningPUBConejos29 min
Aug 13, 2:21 PM MDTSevere Thunderstorm WarningPUBBaca24 min
Aug 13, 2:25 PM MDTSpecial Weather StatementPUB35 min
Aug 13, 2:44 PM MDTSevere Thunderstorm WarningPUBBaca, Bent, Prowers46 min
Aug 13, 2:46 PM MDTSpecial Weather StatementPUBCostilla29 min
Aug 13, 3:30 PM MDTSevere Thunderstorm WarningPUBProwers45 min
Aug 13, 4:03 PM MDTSevere Thunderstorm WarningPUBProwers42 min
Aug 13, 4:17 PM MDTSpecial Weather StatementPUBEl Paso28 min
Aug 13, 4:44 PM MDTSevere Thunderstorm WarningPUBProwers46 min
Aug 13, 4:49 PM MDTSpecial Weather StatementPUBEl Paso26 min
Aug 13, 5:14 PM MDTSpecial Weather StatementPUBPueblo31 min
Aug 13, 5:26 PM MDTSpecial Weather StatementPUBCrowley34 min
Aug 13, 5:45 PM MDTSpecial Weather StatementPUBLas Animas15 min

Nearby

Special Weather Statements in Colorado, 2017Every special weather statement 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.