Alert archive / Colorado / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 101, NWS Pueblo, CO

June 21, 2017Baca County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at Jun 21, 2017, 4:28 PM MDT for Baca 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 21, 2017, 4:28 PM MDT (22:28 UTC)
Expired: Jun 21, 2017, 5:00 PM MDT
In force: 32 min
Issued by: NWS Pueblo, CO
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Baca County, CO

The radar

The Dodge City radar (KDDC), 200 km from the middle of the area, began a volume at 22:27 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

Dodge City, (KDDC), launched 12:00Z, 10.5 hours before the alert went out and 206 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: 730 J/kg
Mixed-layer CIN: -454 J/kg
Mixed-layer LCL: 1859 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 147 m²/s²
0-3 km storm-relative helicity: 222 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

137 
WUUS55 KPUB 212228
SVRPUB
COC009-212300-
/O.NEW.KPUB.SV.W.0101.170621T2228Z-170621T2300Z/

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

The National Weather Service in Pueblo has issued a

* Severe Thunderstorm Warning for...
  Eastern Baca County in southeastern Colorado...

* Until 500 PM MDT

* At 428 PM MDT, a severe thunderstorm was located 12 miles southeast
  of Stonington, or 13 miles northwest of Elkhart, 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. 

* This severe thunderstorm will remain over mainly rural areas of
  eastern Baca County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3699 10206 3712 10219 3726 10206 3726 10204
      3699 10204
TIME...MOT...LOC 2228Z 309DEG 10KT 3714 10206 

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

mw

1 follow-up statement

740 
WWUS55 KPUB 212257
SVSPUB

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

COC009-212306-
/O.EXP.KPUB.SV.W.0101.000000T0000Z-170621T2300Z/
Baca CO-
457 PM MDT WED JUN 21 2017

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN BACA COUNTY WILL
EXPIRE AT 500 PM MDT...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.

LAT...LON 3699 10206 3712 10219 3726 10206 3726 10204
      3699 10204
TIME...MOT...LOC 2256Z 309DEG 10KT 3709 10198 

$$

mw

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 20, 6:05 PM MDT	Areal Flood Advisory	PUB	Baca	3 hr
Jun 20, 6:28 PM MDT	Severe Thunderstorm Warning	PUB	Baca	23 min
Jun 21, 1:31 PM MDT	River Flood Warning	PUB	Pueblo	40 hr
Jun 21, 1:31 PM MDT	River Flood Warning	PUB	Otero	4 days
Jun 21, 2:09 PM MDT	Special Weather Statement	PUB	Prowers	51 min
Jun 21, 2:13 PM MDT	Special Weather Statement	PUB	El Paso	47 min
Jun 21, 2:18 PM MDT	Severe Thunderstorm Warning	PUB	Bent, Prowers	27 min
Jun 21, 2:34 PM MDT	Special Weather Statement	PUB	Prowers	26 min
Jun 21, 3:57 PM MDT	Special Weather Statement	PUB	Las Animas	33 min
Jun 21, 4:09 PM MDT	Special Weather Statement	PUB	Baca	36 min
Jun 21, 4:26 PM MDT	Severe Thunderstorm Warning	PUB	Baca	34 min
Jun 21, 4:48 PM MDT	Special Weather Statement	PUB	Baca	27 min
Jun 21, 5:53 PM MDT	Special Weather Statement	PUB	Baca	22 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.