Alert archive / Colorado / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 239, NWS Pueblo, CO

September 17, 2017Las Animas County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at Sep 17, 2017, 3:32 PM MDT for Las Animas County, Colorado. It was in force for 43 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: Sep 17, 2017, 3:32 PM MDT (21:32 UTC)
Expired: Sep 17, 2017, 4:15 PM MDT
In force: 43 min
Issued by: NWS Pueblo, CO
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Las Animas County, CO

What was reported inside it

Time	Report	Where	Remark
Sep 17, 3:51 PM MDT	HAIL 1.5	6 W Kim, CO

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Sep 17, 2:41 PM MDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Denver, CO (KDEN), launched 12:00Z, 9.5 hours before the alert went out and 279 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 958 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 112 m²/s²
0-3 km storm-relative helicity: 145 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

072 
WUUS55 KPUB 172132
SVRPUB
COC071-172215-
/O.NEW.KPUB.SV.W.0239.170917T2132Z-170917T2215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Pueblo CO
332 PM MDT SUN SEP 17 2017

The National Weather Service in Pueblo has issued a

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

* Until 415 PM MDT

* At 332 PM MDT, a severe thunderstorm was located 19 miles west of
  Kim, or 39 miles north of Des Moines, moving northeast at 30 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. 

* This severe thunderstorm will remain over mainly rural areas of
  east central Las Animas County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3719 10371 3734 10383 3762 10353 3758 10328
      3731 10315
TIME...MOT...LOC 2132Z 236DEG 20KT 3732 10369 

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

mw

1 follow-up statement

125 
WWUS55 KPUB 172145
SVSPUB

Severe Weather Statement
National Weather Service Pueblo CO
345 PM MDT SUN SEP 17 2017

COC071-172215-
/O.CON.KPUB.SV.W.0239.000000T0000Z-170917T2215Z/
Las Animas CO-
345 PM MDT SUN SEP 17 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM MDT
FOR EAST CENTRAL LAS ANIMAS COUNTY...

At 344 PM MDT, a severe thunderstorm was located 12 miles northwest 
of Kim, or 41 miles north of Des Moines, moving east northeast at 25 
mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts. 

SOURCE...Radar indicated. 

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees. 

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3720 10368 3735 10377 3754 10354 3758 10328
      3731 10315
TIME...MOT...LOC 2144Z 247DEG 22KT 3732 10356 

HAIL...1.50IN
WIND...60MPH
 
$$

mw

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 17, 11:47 AM MDT	Special Weather Statement	PUB	Fremont	28 min
Sep 17, 1:30 PM MDT	Special Weather Statement	PUB	Huerfano	30 min
Sep 17, 1:35 PM MDT	Special Weather Statement	PUB	Las Animas	85 min
Sep 17, 1:54 PM MDT	Special Weather Statement	PUB	Costilla	96 min
Sep 17, 2:10 PM MDT	Special Weather Statement	PUB	Las Animas	95 min
Sep 17, 3:25 PM MDT	Special Weather Statement	PUB	Las Animas	50 min
Sep 17, 3:51 PM MDT	Special Weather Statement	PUB	Las Animas	54 min
Sep 17, 3:53 PM MDT	Severe Thunderstorm Warning	PUB	Las Animas	37 min
Sep 17, 4:29 PM MDT	Special Weather Statement	PUB	Baca	31 min
Sep 17, 4:42 PM MDT	Severe Thunderstorm Warning	PUB	Baca, Las Animas	37 min

Nearby

Severe Thunderstorm Warnings in Colorado, 2017 Every 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.