Alert archive / Colorado / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 4, NWS Pueblo, CO

April 27, 2017Kiowa County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at Apr 27, 2017, 5:47 PM MDT for Kiowa County, Colorado. It was in force for 43 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
Apr 27, 2017, 5:47 PM MDT (23:47 UTC)
Expired
Apr 27, 2017, 6:30 PM MDT
In force
43 min
Issued by
NWS Pueblo, CO
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Kiowa County, CO

The radar

The Goodland radar (KGLD), 106 km from the middle of the area, began a volume at 23:50 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, 11.8 hours before the alert went out and 175 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 2017-04-27Temperature 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 12:00Z on 2017-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 square meters per square second.19395878Sfc1 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
1354 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
76 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

046 
WUUS55 KPUB 272347
SVRPUB
COC061-280030-
/O.NEW.KPUB.SV.W.0004.170427T2347Z-170428T0030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Pueblo CO
547 PM MDT THU APR 27 2017

The National Weather Service in Pueblo has issued a

* Severe Thunderstorm Warning for...
  Northeastern Kiowa County in southeastern Colorado...

* Until 630 PM MDT

* At 547 PM MDT, a severe thunderstorm was located near Sheridan
  Lake, or 20 miles south of Cheyenne Wells, moving east 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...
  Sheridan Lake and Towner. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3844 10234 3861 10234 3861 10205 3842 10205
TIME...MOT...LOC 2347Z 270DEG 15KT 3854 10224 

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

mw
3 follow-up statements
520 
WWUS55 KPUB 280004
SVSPUB

Severe Weather Statement
National Weather Service Pueblo CO
604 PM MDT THU APR 27 2017

COC061-280030-
/O.CON.KPUB.SV.W.0004.000000T0000Z-170428T0030Z/
Kiowa CO-
604 PM MDT THU APR 27 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM MDT
FOR NORTHEASTERN KIOWA COUNTY...

At 604 PM MDT, a severe thunderstorm was located near Towner, or 21
miles west of Tribune, moving east 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...
Towner.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3844 10227 3861 10224 3861 10205 3842 10205
TIME...MOT...LOC 0004Z 280DEG 15KT 3852 10215 

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

mw
755 
WWUS55 KPUB 280016
SVSPUB

Severe Weather Statement
National Weather Service Pueblo CO
616 PM MDT THU APR 27 2017

COC061-280030-
/O.CON.KPUB.SV.W.0004.000000T0000Z-170428T0030Z/
Kiowa CO-
616 PM MDT THU APR 27 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM MDT
FOR NORTHEASTERN KIOWA COUNTY...

At 616 PM MDT, a severe thunderstorm was located over Towner, or 18
miles west of Tribune, moving east 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...
Towner.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3843 10219 3861 10217 3861 10205 3842 10205
TIME...MOT...LOC 0016Z 280DEG 15KT 3850 10209 

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

mw
402 
WWUS55 KPUB 280028
SVSPUB

Severe Weather Statement
National Weather Service Pueblo CO
628 PM MDT THU APR 27 2017

COC061-280037-
/O.EXP.KPUB.SV.W.0004.000000T0000Z-170428T0030Z/
Kiowa CO-
628 PM MDT THU APR 27 2017

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN KIOWA COUNTY WILL
EXPIRE AT 630 PM MDT...
        
The storm which prompted the warning has moved out of the area.
Therefore the warning will be allowed to expire.  However small hail
is still possible with this thunderstorm.

LAT...LON 3843 10219 3861 10217 3861 10205 3842 10205
TIME...MOT...LOC 0027Z 270DEG 15KT 3850 10203 

$$

mw

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 27, 4:33 AM MDTWinter Storm WatchPUBAlamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 9 more24 hr
Apr 27, 12:19 PM MDTSpecial Weather StatementPUBPueblo26 min
Apr 27, 1:35 PM MDTSpecial Weather StatementPUBEl Paso25 min
Apr 27, 2:06 PM MDTSpecial Weather StatementPUBEl Paso39 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.