Alert archive / Colorado / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 101, NWS Pueblo, CO

June 28, 2018Bent County, Prowers County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at Jun 28, 2018, 5:58 PM MDT for Bent County, Prowers County, Colorado. It was in force for 32 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 28, 2018, 5:58 PM MDT (23:58 UTC)
Expired
Jun 28, 2018, 6:30 PM MDT
In force
32 min
Issued by
NWS Pueblo, CO
Area
Storm-based polygon
Hail
0.75 in
Wind
70.0 mph

Counties Bent County, CO, Prowers County, CO

The radar

The Pueblo radar (KPUX), 149 km from the middle of the area, began a volume at 00:01 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, 12.0 hours before the alert went out and 204 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 2018-06-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 266 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, Denver, CO at 12:00Z on 2018-06-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 108 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
266 J/kg
Mixed-layer CIN
-461 J/kg
Mixed-layer LCL
3053 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
108 m²/s²
0-3 km storm-relative helicity
106 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

642 
WUUS55 KPUB 282358
SVRPUB
COC011-099-290030-
/O.NEW.KPUB.SV.W.0101.180628T2358Z-180629T0030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Pueblo CO
558 PM MDT THU JUN 28 2018

The National Weather Service in Pueblo has issued a

* Severe Thunderstorm Warning for...
  Northwestern Prowers County in southeastern Colorado...
  Northeastern Bent County in southeastern Colorado...

* Until 630 PM MDT.

* At 557 PM MDT, a severe thunderstorm was located over Lamar, moving
  northeast at 20 mph. The ASOS in Lamar reported a 73 mph gust.

  HAZARD...70 mph wind gusts.

  SOURCE...Trained weather spotters.

  IMPACT...Expect considerable tree damage. Damage is likely to 
           mobile homes, roofs, and outbuildings.

* Locations impacted include...
  Lamar, Granada and Wiley. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3804 10230 3795 10268 3811 10279 3827 10262
      3827 10252
TIME...MOT...LOC 2357Z 233DEG 16KT 3807 10266 

HAIL...<.75IN
WIND...70MPH
 
$$

KTS
2 follow-up statements
952 
WWUS55 KPUB 290012
SVSPUB

Severe Weather Statement
National Weather Service Pueblo CO
612 PM MDT THU JUN 28 2018

COC011-099-290030-
/O.CON.KPUB.SV.W.0101.000000T0000Z-180629T0030Z/
Prowers CO-Bent CO-
612 PM MDT THU JUN 28 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM MDT
FOR NORTHWESTERN PROWERS AND NORTHEASTERN BENT COUNTIES...

At 612 PM MDT, a severe thunderstorm was located over Lamar, moving
northeast at 20 mph.

HAZARD...70 mph wind gusts.

SOURCE...Trained weather spotters.

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings.

Locations impacted include...
Lamar, Granada and Wiley. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3804 10230 3795 10268 3811 10279 3827 10262
      3827 10252
TIME...MOT...LOC 0012Z 233DEG 16KT 3811 10259 

HAIL...<.75IN
WIND...70MPH
 
$$

KTS
859 
WWUS55 KPUB 290024
SVSPUB

Severe Weather Statement
National Weather Service Pueblo CO
624 PM MDT THU JUN 28 2018

COC011-099-290034-
/O.EXP.KPUB.SV.W.0101.000000T0000Z-180629T0030Z/
Prowers CO-Bent CO-
624 PM MDT THU JUN 28 2018

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN PROWERS AND
NORTHEASTERN BENT COUNTIES WILL EXPIRE AT 630 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 3804 10230 3795 10268 3811 10279 3827 10262
      3827 10252
TIME...MOT...LOC 0024Z 233DEG 16KT 3814 10254 

$$

KTS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 28, 3:41 AM MDTFire Weather WatchPUBAlamosa, Chaffee, Conejos, Costilla, Custer, Fremont and 7 more8 hr
Jun 28, 11:44 AM MDTRed Flag WarningPUBAlamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 9 more33 hr
Jun 28, 1:09 PM MDTSpecial Weather StatementPUBPueblo51 min
Jun 28, 2:02 PM MDTSpecial Weather StatementPUBPueblo43 min
Jun 28, 2:50 PM MDTSpecial Weather StatementPUBLas Animas40 min
Jun 28, 3:08 PM MDTSpecial Weather StatementPUBBent52 min
Jun 28, 3:09 PM MDTSpecial Weather StatementPUBLas Animas51 min
Jun 28, 3:58 PM MDTSpecial Weather StatementPUBBent, Kiowa47 min
Jun 28, 4:00 PM MDTSpecial Weather StatementPUBLas Animas45 min
Jun 28, 4:13 PM MDTSpecial Weather StatementPUBBent17 min
Jun 28, 4:16 PM MDTSevere Thunderstorm WarningPUBBent29 min
Jun 28, 4:49 PM MDTSpecial Weather StatementPUBBent41 min
Jun 28, 4:52 PM MDTSevere Thunderstorm WarningPUBBent23 min
Jun 28, 5:47 PM MDTSpecial Weather StatementPUBProwers43 min

Nearby

Severe Thunderstorm Warnings in Colorado, 2018Every severe thunderstorm warning in 2018

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.