Alert archive / Colorado / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 98, NWS Pueblo, CO

June 20, 2017Baca County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at Jun 20, 2017, 6:28 PM MDT for Baca County, Colorado. It was in force for 23 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
Jun 20, 2017, 6:28 PM MDT (00:28 UTC)
Expired
Jun 20, 2017, 6:51 PM MDT
In force
23 min
Issued by
NWS Pueblo, CO
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

County Baca County, CO

The radar

The Dodge City radar (KDDC), 196 km from the middle of the area, began a volume at 00:29 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
Jun 20, 6:30 PM MDTHAIL 1.758 Ne Stonington, CO

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

The nearest sounding before it

Dodge City, (KDDC), launched 00:00Z, 0.5 hours before the alert went out and 202 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, Dodge City, at 00:00Z on 2017-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1848 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Dodge City, at 00:00Z on 2017-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 132 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
1848 J/kg
Mixed-layer CIN
-51 J/kg
Mixed-layer LCL
1901 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
132 m²/s²
0-3 km storm-relative helicity
426 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

724 
WUUS55 KPUB 210028
SVRPUB
COC009-210115-
/O.NEW.KPUB.SV.W.0098.170621T0028Z-170621T0115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Pueblo CO
628 PM MDT TUE JUN 20 2017

The National Weather Service in Pueblo has issued a

* Severe Thunderstorm Warning for...
  East central Baca County in southeastern Colorado...

* Until 715 PM MDT

* At 628 PM MDT, a severe thunderstorm was located near The Saunders
  Elevator, moving southeast at 15 mph.

  HAZARD...60 mph wind gusts and half dollar size hail. 

  SOURCE...Radar indicated. 

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

* This severe thunderstorm will remain over mainly rural areas of
  east central Baca County east of Walsh and Stonington.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3735 10223 3753 10216 3749 10204 3722 10204
TIME...MOT...LOC 0028Z 312DEG 12KT 3741 10211 

HAIL...1.25IN
WIND...60MPH
 
$$

KT
2 follow-up statements
005 
WWUS55 KPUB 210047
SVSPUB

Severe Weather Statement
National Weather Service Pueblo CO
647 PM MDT TUE JUN 20 2017

COC009-210115-
/O.CON.KPUB.SV.W.0098.000000T0000Z-170621T0115Z/
Baca CO-
647 PM MDT TUE JUN 20 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM MDT
FOR EAST CENTRAL BACA COUNTY...

At 646 PM MDT, a severe thunderstorm was located 7 miles east of
Stonington, or 9 miles south of The Saunders Elevator, moving
southeast at 15 mph.

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

SOURCE...Radar indicated. 

IMPACT...Expect damage to roofs, siding, and trees. 

This severe thunderstorm will remain over mainly rural areas of east
central Baca County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3729 10214 3743 10211 3745 10204 3722 10204
TIME...MOT...LOC 0046Z 306DEG 12KT 3733 10205 

HAIL...0.88IN
WIND...60MPH
 
$$

KT
600 
WWUS55 KPUB 210051
SVSPUB

Severe Weather Statement
National Weather Service Pueblo CO
651 PM MDT TUE JUN 20 2017

COC009-210101-
/O.CAN.KPUB.SV.W.0098.000000T0000Z-170621T0115Z/
Baca CO-
651 PM MDT TUE JUN 20 2017

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL BACA COUNTY IS
CANCELLED...
                
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 has been cancelled.

LAT...LON 3729 10214 3743 10211 3745 10204 3722 10204
TIME...MOT...LOC 0049Z 312DEG 12KT 3732 10203 

$$

KT

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 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, 2:18 PM MDTSevere Thunderstorm WarningPUBBent, Prowers27 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.