Alert archive / Colorado / Dust Storm Warnings in 2021

Dust Storm Warning 5, NWS Pueblo, CO

April 6, 20215 counties in Colorado

NWS Pueblo, CO issued this dust storm warning at Apr 6, 2021, 8:41 PM MDT for 5 counties in Colorado. It was in force for 94 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Apr 6, 2021, 8:41 PM MDT (02:41 UTC)
Expired
Apr 6, 2021, 10:15 PM MDT
In force
94 min
Issued by
NWS Pueblo, CO
Area
Storm-based polygon

Counties Baca County, CO, Bent County, CO, Kiowa County, CO, Las Animas County, CO, Prowers County, CO

The radar

The Pueblo radar (KPUX), 117 km from the middle of the area, began a volume at 02:41 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.

What was reported inside it

TimeReportWhereRemark
Apr 6, 8:53 PM MDTNON-TSTM WND GST 674 Wsw Lamar, COASOS STATION KLAA LAMAR AIRPORT.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Denver, CO (KDNR), launched 00:00Z, 2.7 hours before the alert went out and 197 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 2021-04-07Temperature 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 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 2021-04-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -55 square meters per square second.193958Sfc1 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
656 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
-55 m²/s²
0-3 km storm-relative helicity
136 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

581 
WWUS55 KPUB 070242
DSWPUB

BULLETIN - EAS ACTIVATION REQUESTED
Dust Storm Warning
National Weather Service Pueblo CO
841 PM MDT Tue Apr 6 2021

COC009-011-061-071-099-070415-
/O.NEW.KPUB.DS.W.0005.210407T0241Z-210407T0415Z/
Prowers CO-Baca CO-Kiowa CO-Las Animas CO-Bent CO-
841 PM MDT Tue Apr 6 2021

The National Weather Service in Pueblo has issued a

* Dust Storm Warning for...
  Prowers County in southeastern Colorado...
  Northern Baca County in southeastern Colorado...
  Kiowa County in southeastern Colorado...
  East central Las Animas County in southeastern Colorado...
  Bent County in southeastern Colorado...

* Until 1015 PM MDT.

* At 841 PM MDT, a dust channel was near John Martin Reservoir, or 
  24 miles west of Lamar, moving east at 35 mph. 0 visibility has 
  been reported near Hasty, CO. 

  HAZARD...Near zero visibility with damaging wind in excess of 60 
           mph.

  SOURCE...Law enforcement.

  IMPACT...Dangerous life-threatening travel.

Highway 50 has very limited visibility according to law enforcement.

Locations impacted include...
Lamar, Las Animas, Holly, Eads, Granada, Wiley, Sheridan Lake,
Hartman, Haswell, Neeoshe Reservoir, McClave, Chivington, Brandon,
Blue Lake, Towner, Bristol, Sweetwater Reservoir, Two Buttes
Reservoir, Hasty and Neegronda Reservoir.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Dust storms lead to dangerous driving conditions with visibility
reduced to near zero. If driving, avoid dust storms if possible. If
caught in one, pull off the road, turn off your lights and keep your
foot off the brake.

&&

LAT...LON 3745 10337 3853 10322 3853 10317 3861 10317
      3862 10205 3761 10204
TIME...MOT...LOC 0241Z 252DEG 33KT 3802 10307 

$$

KTS
2 follow-up statements
719 
WWUS55 KPUB 070359
DSWPUB

Dust Storm Warning
National Weather Service Pueblo CO
957 PM MDT Tue Apr 6 2021

COC009-071-070407-
/O.CAN.KPUB.DS.W.0005.000000T0000Z-210407T0415Z/
Baca CO-Las Animas CO-
957 PM MDT Tue Apr 6 2021

...THE DUST STORM WARNING FOR NORTHERN BACA AND EAST CENTRAL LAS
ANIMAS COUNTIES IS CANCELLED...

The dust storm which prompted the warning has moved out of the 
warned area.* Therefore, the dust storm warning has been cancelled.

LAT...LON 3768 10294 3861 10275 3862 10205 3773 10204
TIME...MOT...LOC 0357Z 252DEG 33KT 3824 10222 

$$

COC011-061-099-070415-
/O.CON.KPUB.DS.W.0005.000000T0000Z-210407T0415Z/
Prowers CO-Kiowa CO-Bent CO-
957 PM MDT Tue Apr 6 2021

...A DUST STORM WARNING REMAINS IN EFFECT UNTIL 1015 PM MDT FOR
PROWERS...EASTERN KIOWA AND EASTERN BENT COUNTIES...

At 957 PM MDT, a dust channel was 7 miles north of Hartman, or 17 
miles northwest of Coolidge, moving east at 40 mph. Near zero 
visibility was observed near Hasty, Colorado.

  HAZARD...Near zero visibility with damaging wind in excess of 60 
           mph.

  SOURCE...Law enforcement.

  IMPACT...Dangerous life-threatening travel.


Locations impacted include...
Lamar, Holly, Eads, Granada, Wiley, Sheridan Lake, Hartman, Neeoshe
Reservoir, Chivington, Brandon, Towner, Bristol, Sweetwater
Reservoir, Neegronda Reservoir and Queens Reservoir.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Dust storms lead to dangerous driving conditions with visibility
reduced to near zero. If driving, avoid dust storms if possible. If
caught in one, then pull off the road, turn off your lights and keep
your foot off the brake.

&&

LAT...LON 3768 10294 3861 10275 3862 10205 3773 10204
TIME...MOT...LOC 0357Z 252DEG 33KT 3824 10222 

$$

KTS
104 
WWUS55 KPUB 070418
DSWPUB

Dust Storm Warning
National Weather Service Pueblo CO
1018 PM MDT Tue Apr 6 2021

COC011-061-099-070428-
/O.EXP.KPUB.DS.W.0005.000000T0000Z-210407T0415Z/
Prowers CO-Kiowa CO-Bent CO-
1018 PM MDT Tue Apr 6 2021

...THE DUST STORM WARNING FOR PROWERS...EASTERN KIOWA AND EASTERN
BENT COUNTIES HAS EXPIRED...

The dust storm which prompted the warning has weakened. Therefore,
the dust storm warning has been allowed to expire. Areas of blowing
dust with low visibility will continue at times.

LAT...LON 3768 10294 3861 10275 3862 10205 3773 10204
TIME...MOT...LOC 0418Z 252DEG 33KT 3830 10200 

$$

KTS

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 7, 3:49 AM MDTHigh Wind WarningPUBBaca, Bent, Kiowa, Prowers14 hr
Apr 7, 3:58 AM MDTFire Weather WatchPUBAlamosa, Conejos, Costilla, Fremont, Kiowa, Rio Grande and 1 more11 hr
Apr 7, 2:55 PM MDTRed Flag WarningPUBAlamosa, Baca, Bent, Conejos, Costilla, Crowley and 9 more29 hr

Nearby

Dust Storm Warnings in Colorado, 2021Every dust storm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.