Alert archive / Colorado / Special Weather Statements in 2021

Special Weather Statement, NWS Pueblo, CO

August 3, 2021Alamosa County, Colorado

NWS Pueblo, CO issued this special weather statement at Aug 3, 2021, 4:14 PM MDT for Alamosa County, Colorado. It was in force for 31 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, 4:14 PM MDT (22:14 UTC)
Expired
Aug 3, 2021, 4:45 PM MDT
In force
31 min
Issued by
NWS Pueblo, CO

County Alamosa County, CO

The radar

The Pueblo radar (KPUX), 160 km from the middle of the area, began a volume at 22:14 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

Grand Junction, CO (KGJT), launched 12:00Z, 10.2 hours before the alert went out and 277 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, Grand Junction, CO at 12:00Z on 2021-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 5 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, Grand Junction, CO at 12:00Z on 2021-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -5 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
5 J/kg
Mixed-layer CIN
-176 J/kg
Mixed-layer LCL
1792 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-5 m²/s²
0-3 km storm-relative helicity
48 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

498 
WWUS85 KPUB 032214
SPSPUB

Special Weather Statement
National Weather Service Pueblo CO
414 PM MDT Tue Aug 3 2021
 
COZ069-070-032245-
Alamosa  Vicinity/Central San Luis Valley Below 8500 Ft CO-
Del Norte Vicinity/Northern San Luis Valley Below 8500 Ft CO-
414 PM MDT Tue Aug 3 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTH CENTRAL ALAMOSA AND
SOUTHERN SAGUACHE COUNTIES UNTIL 445 PM MDT...

At 414 PM MDT, Doppler radar was tracking a strong thunderstorm near
Hooper, or 24 miles north of Alamosa, moving southeast at 10 mph.

Pea size hail and winds in excess of 40 mph will be possible with
this storm.

Locations impacted include...
Great Sand Dunes.

LAT...LON 3785 10589 3789 10580 3777 10564 3766 10582
TIME...MOT...LOC 2214Z 324DEG 7KT 3782 10583 

$$

KTS

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, 1:58 PM MDTSpecial Weather StatementPUBHuerfano32 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, 4:18 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.