Alert archive / Colorado / Special Weather Statements in 2021

Special Weather Statement, NWS Pueblo, CO

August 3, 2021Huerfano County, Colorado

NWS Pueblo, CO issued this special weather statement at Aug 3, 2021, 1:58 PM MDT for Huerfano County, Colorado. It was in force for 32 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 3, 2021, 1:58 PM MDT (19:58 UTC)
Expired
Aug 3, 2021, 2:30 PM MDT
In force
32 min
Issued by
NWS Pueblo, CO

County Huerfano County, CO

The radar

The Pueblo radar (KPUX), 111 km from the middle of the area, began a volume at 20:00 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 12:00Z, 8.0 hours before the alert went out and 288 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 12:00Z on 2021-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 12 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 2021-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -16 square meters per square second.1939Sfc1 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
12 J/kg
Mixed-layer CIN
-226 J/kg
Mixed-layer LCL
2110 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
-16 m²/s²
0-3 km storm-relative helicity
-6 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

504 
WWUS85 KPUB 031958
SPSPUB

Special Weather Statement
National Weather Service Pueblo CO
158 PM MDT Tue Aug 3 2021
 
COZ087-088-032030-
Walsenburg Vicinity/Upper Huerfano River Basin Below 7500 Ft CO-
Trinidad Vicinity/Western Las Animas County Below 7500 Ft CO-
158 PM MDT Tue Aug 3 2021

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL HUERFANO AND NORTHWESTERN
LAS ANIMAS COUNTIES UNTIL 230 PM MDT...

At 155 PM MDT, Doppler radar was tracking a strong thunderstorm over
Walsenburg, or 20 miles east of Spring Burn Scar north of Highway
160, moving east at 15 mph.

Brief pea size hail, torrential rainfall and winds in excess of 40 
mph will be possible with this storm. Localized flash flooding will 
be possible if the storm intensifies.  

Locations impacted include...
Walsenburg.

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 3749 10493 3770 10490 3774 10465 3751 10461
TIME...MOT...LOC 1955Z 259DEG 12KT 3764 10476 

$$

KT

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 2, 6:47 PM MDTFlash Flood Warning Considerable damage threatPUBHuerfano2 hr
Aug 2, 7:38 PM MDTFlash Flood Warning Considerable damage threatPUBHuerfano96 min
Aug 2, 9:04 PM MDTSpecial Weather StatementPUBChaffee56 min
Aug 3, 12:46 PM MDTSpecial Weather StatementPUBEl Paso29 min
Aug 3, 12:56 PM MDTSpecial Weather StatementPUBHuerfano34 min
Aug 3, 1:20 PM MDTSpecial Weather StatementPUBEl Paso40 min
Aug 3, 1:48 PM MDTSpecial Weather StatementPUBCuster27 min
Aug 3, 2:07 PM MDTSpecial Weather StatementPUBEl Paso38 min
Aug 3, 2:12 PM MDTSpecial Weather StatementPUBCuster33 min
Aug 3, 2:28 PM MDTSpecial Weather StatementPUBHuerfano32 min
Aug 3, 2:30 PM MDTSpecial Weather StatementPUBLas Animas45 min
Aug 3, 2:48 PM MDTSpecial Weather StatementPUBPueblo27 min
Aug 3, 2:52 PM MDTSpecial Weather StatementPUBEl Paso38 min
Aug 3, 3:32 PM MDTSpecial Weather StatementPUBChaffee43 min
Aug 3, 3:38 PM MDTSpecial Weather StatementPUBPueblo37 min
Aug 3, 4:14 PM MDTSpecial Weather StatementPUBAlamosa31 min
Aug 3, 4:18 PM MDTSpecial Weather StatementPUBCostilla42 min
Aug 3, 4:25 PM MDTSpecial Weather StatementPUBFremont65 min
Aug 3, 4:28 PM MDTSpecial Weather StatementPUBLas Animas32 min
Aug 3, 4:46 PM MDTFlash Flood WarningPUBCostilla3 hr
Aug 3, 4:51 PM MDTSpecial Weather StatementPUBTeller39 min
Aug 3, 4:57 PM MDTSpecial Weather StatementPUBPueblo33 min
Aug 3, 5:08 PM MDTSpecial Weather StatementPUBFremont52 min
Aug 3, 5:13 PM MDTFlash Flood WarningPUBPueblo3 hr
Aug 3, 5:26 PM MDTFlash Flood WarningPUBTeller109 min
Aug 3, 5:31 PM MDTSpecial Weather StatementPUBFremont44 min

Nearby

Special Weather Statements in Colorado, 2021Every special weather statement 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.