Alert archive / Colorado / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 99, NWS Pueblo, CO

June 21, 2017Bent County, Prowers County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at Jun 21, 2017, 2:18 PM MDT for Bent County, Prowers 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
Jun 21, 2017, 2:18 PM MDT (20:18 UTC)
Expired
Jun 21, 2017, 2:45 PM MDT
In force
27 min
Issued by
NWS Pueblo, CO
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Bent County, CO, Prowers County, CO

The radar

The Pueblo radar (KPUX), 140 km from the middle of the area, began a volume at 20:21 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 (KDEN), launched 12:00Z, 8.3 hours before the alert went out and 210 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 2017-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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 2017-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 117 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
3247 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
117 m²/s²
0-3 km storm-relative helicity
141 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

059 
WUUS55 KPUB 212018
SVRPUB
COC011-099-212045-
/O.NEW.KPUB.SV.W.0099.170621T2018Z-170621T2045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Pueblo CO
218 PM MDT WED JUN 21 2017

The National Weather Service in Pueblo has issued a

* Severe Thunderstorm Warning for...
  Western Prowers County in southeastern Colorado...
  Southeastern Bent County in southeastern Colorado...

* Until 245 PM MDT

* At 218 PM MDT, a severe thunderstorm was located over Wiley, or
  near Lamar, moving south at 15 mph.

  HAZARD...60 mph wind gusts and quarter size hail. 

  SOURCE...Radar indicated. 

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees. 

* Locations impacted include...
  Lamar and Wiley. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3822 10278 3822 10246 3775 10236 3777 10298
TIME...MOT...LOC 2018Z 006DEG 15KT 3815 10268 

HAIL...1.00IN
WIND...60MPH
 
$$

Hodanish
3 follow-up statements
075 
WWUS55 KPUB 212026
SVSPUB

Severe Weather Statement
National Weather Service Pueblo CO
226 PM MDT WED JUN 21 2017

COC011-099-212045-
/O.CON.KPUB.SV.W.0099.000000T0000Z-170621T2045Z/
Prowers CO-Bent CO-
226 PM MDT WED JUN 21 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM MDT
FOR WESTERN PROWERS AND SOUTHEASTERN BENT COUNTIES...

At 225 PM MDT, a severe thunderstorm was located near Lamar, moving
southeast at 20 mph.

HAZARD...60 mph wind gusts and quarter size hail. 

SOURCE...Radar indicated. 

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees. 

Locations impacted include...
Lamar and Wiley. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3822 10246 3775 10236 3777 10298 3822 10271
TIME...MOT...LOC 2025Z 322DEG 18KT 3814 10264 

HAIL...1.00IN
WIND...60MPH
 
$$

Hodanish
095 
WWUS55 KPUB 212031
SVSPUB

Severe Weather Statement
National Weather Service Pueblo CO
231 PM MDT WED JUN 21 2017

COC011-212040-
/O.CAN.KPUB.SV.W.0099.000000T0000Z-170621T2045Z/
Bent CO-
231 PM MDT WED JUN 21 2017

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BENT COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled. Locally 
gusty winds will continue across eastern Bent county through 3 pm. 

LAT...LON 3822 10246 3775 10236 3776 10272 3822 10271
TIME...MOT...LOC 2030Z 351DEG 14KT 3813 10261 

$$

COC099-212045-
/O.CON.KPUB.SV.W.0099.000000T0000Z-170621T2045Z/
Prowers CO-
231 PM MDT WED JUN 21 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM MDT
FOR WESTERN PROWERS COUNTY...

At 230 PM MDT, a severe thunderstorm was located near Lamar, moving
south at 15 mph.

HAZARD...60 mph wind gusts and quarter size hail. 

SOURCE...Radar indicated. 

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees. 

Locations impacted include...
Lamar.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3822 10246 3775 10236 3776 10272 3822 10271
TIME...MOT...LOC 2030Z 351DEG 14KT 3813 10261 

HAIL...1.00IN
WIND...60MPH
 
$$

Hodanish
943 
WWUS55 KPUB 212038
SVSPUB

Severe Weather Statement
National Weather Service Pueblo CO
238 PM MDT WED JUN 21 2017

COC099-212047-
/O.EXP.KPUB.SV.W.0099.000000T0000Z-170621T2045Z/
Prowers CO-
238 PM MDT WED JUN 21 2017

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN PROWERS COUNTY WILL
EXPIRE AT 245 PM MDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore the warning will be allowed to expire.  However gusty winds
are still possible with this thunderstorm.

LAT...LON 3822 10246 3775 10236 3776 10272 3822 10271
TIME...MOT...LOC 2037Z 006DEG 15KT 3811 10261 

$$

Hodanish

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 20, 6:05 PM MDTAreal Flood AdvisoryPUBBaca3 hr
Jun 20, 6:28 PM MDTSevere Thunderstorm WarningPUBBaca23 min
Jun 21, 1:31 PM MDTRiver Flood WarningPUBPueblo40 hr
Jun 21, 1:31 PM MDTRiver Flood WarningPUBOtero4 days
Jun 21, 2:09 PM MDTSpecial Weather StatementPUBProwers51 min
Jun 21, 2:13 PM MDTSpecial Weather StatementPUBEl Paso47 min
Jun 21, 2:34 PM MDTSpecial Weather StatementPUBProwers26 min
Jun 21, 3:57 PM MDTSpecial Weather StatementPUBLas Animas33 min
Jun 21, 4:09 PM MDTSpecial Weather StatementPUBBaca36 min
Jun 21, 4:26 PM MDTSevere Thunderstorm WarningPUBBaca34 min
Jun 21, 4:28 PM MDTSevere Thunderstorm WarningPUBBaca32 min
Jun 21, 4:48 PM MDTSpecial Weather StatementPUBBaca27 min
Jun 21, 5:53 PM MDTSpecial Weather StatementPUBBaca22 min

Nearby

Severe Thunderstorm Warnings in Colorado, 2017Every severe thunderstorm warning in 2017

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.