Alert archive / Colorado / Special Weather Statements in 2021

Special Weather Statement, NWS Pueblo, CO

July 17, 2021Custer County, Colorado

NWS Pueblo, CO issued this special weather statement at Jul 17, 2021, 2:18 PM MDT for Custer County, Colorado. It was in force for 27 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 17, 2021, 2:18 PM MDT (20:18 UTC)
Expired
Jul 17, 2021, 2:45 PM MDT
In force
27 min
Issued by
NWS Pueblo, CO

County Custer County, CO

The radar

The Pueblo radar (KPUX), 115 km from the middle of the area, began a volume at 20:20 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, 8.3 hours before the alert went out and 265 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 2021-07-17Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 12:00Z on 2021-07-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 8 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
-299 J/kg
Mixed-layer LCL
2478 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
8 m²/s²
0-3 km storm-relative helicity
34 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

886 
WWUS85 KPUB 172018
SPSPUB

Special Weather Statement
National Weather Service Pueblo CO
218 PM MDT Sat Jul 17 2021
 
COZ072-077-078-172045-
Western/Central Fremont County Below 8500 Ft CO-
Wet Mountain Valley Below 8500 Ft CO-
Northern Sangre de Cristo Mountains Between 8500 And 11000 Ft CO-
218 PM MDT Sat Jul 17 2021

...SIGNIFICANT WEATHER ADVISORY FOR SOUTH CENTRAL FREMONT AND NORTH
CENTRAL CUSTER COUNTIES UNTIL 245 PM MDT...

At 218 PM MDT, Doppler radar was tracking strong thunderstorms along
a line extending from 10 miles southeast of Texas Creek to 6 miles
southeast of Cotopaxi. Movement was south at 15 mph.

Half inch hail and winds in excess of 40 mph will be possible with
these storms.

Locations impacted include...
Hillside.

LAT...LON 3818 10537 3817 10562 3833 10562 3835 10540
TIME...MOT...LOC 2018Z 014DEG 12KT 3830 10544 3830 10560 

$$

Cohen

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 16, 6:00 PM MDTSpecial Weather StatementPUBKiowa15 min
Jul 16, 6:16 PM MDTSpecial Weather StatementPUBKiowa14 min
Jul 16, 6:25 PM MDTSpecial Weather StatementPUBBaca35 min
Jul 16, 6:30 PM MDTSpecial Weather StatementPUBKiowa30 min
Jul 16, 7:39 PM MDTSpecial Weather StatementPUBKiowa51 min
Jul 16, 8:15 PM MDTSpecial Weather StatementPUBProwers45 min
Jul 16, 8:20 PM MDTSpecial Weather StatementPUBKiowa40 min
Jul 16, 9:00 PM MDTSpecial Weather StatementPUBProwers45 min
Jul 16, 9:20 PM MDTSevere Thunderstorm WarningPUBKiowa, Prowers40 min
Jul 17, 1:30 PM MDTSpecial Weather StatementPUBCostilla15 min
Jul 17, 1:43 PM MDTSpecial Weather StatementPUBChaffee32 min
Jul 17, 1:58 PM MDTSpecial Weather StatementPUBHuerfano32 min
Jul 17, 2:06 PM MDTFlash Flood WarningPUBChaffee3 hr
Jul 17, 2:19 PM MDTSpecial Weather StatementPUBTeller26 min
Jul 17, 2:29 PM MDTSpecial Weather StatementPUBTeller16 min
Jul 17, 2:43 PM MDTSpecial Weather StatementPUBCuster47 min
Jul 17, 2:46 PM MDTSpecial Weather StatementPUBTeller14 min
Jul 17, 3:11 PM MDTSpecial Weather StatementPUBHuerfano49 min
Jul 17, 3:30 PM MDTSpecial Weather StatementPUBEl Paso30 min
Jul 17, 3:34 PM MDTSpecial Weather StatementPUBFremont26 min
Jul 17, 3:49 PM MDTSevere Thunderstorm WarningPUBFremont, Teller26 min
Jul 17, 3:59 PM MDTSpecial Weather StatementPUBBaca31 min
Jul 17, 4:05 PM MDTSpecial Weather StatementPUBEl Paso25 min
Jul 17, 4:09 PM MDTSpecial Weather StatementPUBFremont36 min
Jul 17, 4:13 PM MDTSpecial Weather StatementPUBFremont47 min
Jul 17, 4:16 PM MDTSpecial Weather StatementPUBHuerfano29 min
Jul 17, 4:18 PM MDTSpecial Weather StatementPUBTeller42 min
Jul 17, 4:28 PM MDTSpecial Weather StatementPUBEl Paso17 min
Jul 17, 4:30 PM MDTSpecial Weather StatementPUBBaca30 min
Jul 17, 4:33 PM MDTSpecial Weather StatementPUBHuerfano42 min
Jul 17, 4:39 PM MDTSpecial Weather StatementPUBEl Paso36 min
Jul 17, 4:50 PM MDTSpecial Weather StatementPUBTeller40 min
Jul 17, 4:58 PM MDTSpecial Weather StatementPUBEl Paso17 min
Jul 17, 4:59 PM MDTSpecial Weather StatementPUBFremont46 min
Jul 17, 5:00 PM MDTSpecial Weather StatementPUBBaca30 min
Jul 17, 5:04 PM MDTSpecial Weather StatementPUB26 min
Jul 17, 5:13 PM MDTSpecial Weather StatementPUBEl Paso17 min
Jul 17, 5:15 PM MDTSpecial Weather StatementPUBEl Paso15 min
Jul 17, 5:25 PM MDTSpecial Weather StatementPUBTeller50 min
Jul 17, 5:27 PM MDTSpecial Weather StatementPUBEl Paso18 min
Jul 17, 5:28 PM MDTSpecial Weather StatementPUBEl Paso17 min
Jul 17, 5:29 PM MDTSpecial Weather StatementPUBBaca31 min
Jul 17, 5:31 PM MDTSpecial Weather StatementPUBLas Animas14 min
Jul 17, 5:37 PM MDTSevere Thunderstorm WarningPUBBaca23 min
Jul 17, 5:42 PM MDTSpecial Weather StatementPUBPueblo18 min
Jul 17, 5:46 PM MDTSpecial Weather StatementPUBEl Paso29 min
Jul 17, 5:56 PM MDTSevere Thunderstorm WarningPUBPueblo34 min
Jul 17, 5:58 PM MDTSpecial Weather StatementPUBBaca32 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.