Alert archive / Colorado / Special Weather Statements in 2021

Special Weather Statement, NWS Pueblo, CO

May 31, 2021Costilla County, Colorado

NWS Pueblo, CO issued this special weather statement at May 31, 2021, 1:25 PM MDT for Costilla County, Colorado. It was in force for 50 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
May 31, 2021, 1:25 PM MDT (19:25 UTC)
Expired
May 31, 2021, 2:15 PM MDT
In force
50 min
Issued by
NWS Pueblo, CO

County Costilla County, CO

The radar

The Pueblo radar (KPUX), 153 km from the middle of the area, began a volume at 19:28 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 12:00Z, 7.4 hours before the alert went out and 285 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, Albuquerq/Krtlnd, NM at 12:00Z on 2021-05-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 900 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albuquerq/Krtlnd, NM at 12:00Z on 2021-05-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 263 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
900 J/kg
Mixed-layer CIN
-149 J/kg
Mixed-layer LCL
1226 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
263 m²/s²
0-3 km storm-relative helicity
268 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The text

As transmitted.

224 
WWUS85 KPUB 311925
SPSPUB

Special Weather Statement
National Weather Service Pueblo CO
125 PM MDT Mon May 31 2021
 
COZ071-074-075-312015-
Southern Sangre De Cristo Mountains Between 7500 and 11000 Ft CO-
Southern San Luis Valley CO-
Southern Sangre De Cristo Mountains Above 11000 Ft CO-
125 PM MDT Mon May 31 2021

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN HUERFANO AND EAST
CENTRAL COSTILLA COUNTIES UNTIL 215 PM MDT...

At 124 PM MDT, Doppler radar was tracking a strong thunderstorm 9
miles southeast of Fort Garland, or 10 miles south of Spring Burn
Scar south of Highway 160 in Costilla county, moving east at 5 mph.

Half inch hail and wind gusts up to 50 mph will be possible with this
storm.

Locations impacted include...
Southern Spring Burn Scar south of Highway 160 in Costilla county.

LAT...LON 3734 10529 3739 10533 3745 10521 3733 10512
TIME...MOT...LOC 1924Z 258DEG 6KT 3737 10528 

$$
STEWARD/PETERSEN

The office that day

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

IssuedProductOfficeCountiesLasted
May 30, 6:03 PM MDTSpecial Weather StatementPUBOtero42 min
May 30, 6:54 PM MDTSpecial Weather StatementPUBBent, Kiowa36 min
May 31, 3:55 AM MDTFlash Flood WatchPUBAlamosa, Chaffee, Costilla, Custer, Fremont, Huerfano and 3 more16 hr
May 31, 1:11 PM MDTSpecial Weather StatementPUBConejos49 min
May 31, 2:00 PM MDTSpecial Weather StatementPUBConejos45 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.