Alert archive / Colorado / Tornado Warnings in 2017

Tornado Warning 10, NWS Pueblo, CO

July 12, 2017Teller County, Colorado

NWS Pueblo, CO issued this tornado warning at Jul 12, 2017, 3:20 PM MDT for Teller County, Colorado. It was in force for 25 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: Jul 12, 2017, 3:20 PM MDT (21:20 UTC)
Expired: Jul 12, 2017, 3:45 PM MDT
In force: 25 min
Issued by: NWS Pueblo, CO
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

County Teller County, CO

The radar

The Pueblo radar (KPUX), 101 km from the middle of the area, began a volume at 21:23 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, 9.3 hours before the alert went out and 196 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: 2301 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: -15 m²/s²
0-3 km storm-relative helicity: 41 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

600 
WFUS55 KPUB 122120
TORPUB
COC119-122145-
/O.NEW.KPUB.TO.W.0010.170712T2120Z-170712T2145Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Pueblo CO
320 PM MDT WED JUL 12 2017

The National Weather Service in Pueblo has issued a

* Tornado Warning for...
  Central Teller County in central Colorado...

* Until 345 PM MDT
    
* At 319 PM MDT, a severe thunderstorm capable of producing a tornado
  was located over Divide, or 21 miles northwest of Colorado Springs,
  moving east at 10 mph.

  HAZARD...Tornado and quarter size hail. 

  SOURCE...Radar indicated rotation. 

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely. 

* This dangerous storm will be near...
  Divide around 330 PM MDT. 
  Woodland Park and Green Mountain Falls around 345 PM MDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3891 10527 3899 10525 3902 10503 3887 10503
TIME...MOT...LOC 2119Z 260DEG 7KT 3895 10519 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

kam

2 follow-up statements

047 
WWUS55 KPUB 122131
SVSPUB

Severe Weather Statement
National Weather Service Pueblo CO
331 PM MDT WED JUL 12 2017

COC119-122145-
/O.CON.KPUB.TO.W.0010.000000T0000Z-170712T2145Z/
Teller CO-
331 PM MDT WED JUL 12 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 345 PM MDT FOR CENTRAL
TELLER COUNTY...
    
At 331 PM MDT, a severe thunderstorm capable of producing a tornado
was located over Divide, or 20 miles northwest of Colorado Springs,
moving east at 10 mph.

HAZARD...Tornado and quarter size hail. 

SOURCE...Radar indicated rotation. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

This dangerous storm will be near...
  Woodland Park and Green Mountain Falls around 345 PM MDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3892 10521 3900 10521 3902 10503 3887 10503
TIME...MOT...LOC 2131Z 254DEG 7KT 3896 10516 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

kam

393 
WWUS55 KPUB 122142
SVSPUB

Severe Weather Statement
National Weather Service Pueblo CO
342 PM MDT WED JUL 12 2017

COC119-122151-
/O.EXP.KPUB.TO.W.0010.000000T0000Z-170712T2145Z/
Teller CO-
342 PM MDT WED JUL 12 2017

...THE TORNADO WARNING FOR CENTRAL TELLER COUNTY WILL EXPIRE AT 345
PM MDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning will be allowed to expire.  However small hail
and heavy rain are still possible with this thunderstorm.

LAT...LON 3892 10521 3900 10521 3902 10503 3887 10503
TIME...MOT...LOC 2141Z 260DEG 7KT 3896 10514 

$$

kam

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 11, 6:10 PM MDT	Special Weather Statement	PUB	Kiowa	65 min
Jul 11, 6:18 PM MDT	Severe Thunderstorm Warning	PUB	Kiowa	42 min
Jul 11, 6:59 PM MDT	Special Weather Statement	PUB	Kiowa	46 min
Jul 12, 9:33 AM MDT	Flash Flood Watch	PUB	Alamosa, Chaffee, Costilla, Custer, El Paso, Fremont and 4 more	11 hr
Jul 12, 2:29 PM MDT	Areal Flood Advisory	PUB	Huerfano, Las Animas	3 hr
Jul 12, 3:04 PM MDT	Severe Thunderstorm Warning	PUB	Teller	41 min
Jul 12, 3:45 PM MDT	Special Weather Statement	PUB	Teller	45 min
Jul 12, 4:32 PM MDT	Special Weather Statement	PUB	Otero	43 min
Jul 12, 4:35 PM MDT	Severe Thunderstorm Warning	PUB	El Paso	25 min
Jul 12, 4:47 PM MDT	Special Weather Statement	PUB	Pueblo	43 min
Jul 12, 4:50 PM MDT	Special Weather Statement	PUB	Baca	40 min
Jul 12, 4:58 PM MDT	Severe Thunderstorm Warning	PUB	El Paso	20 min
Jul 12, 5:36 PM MDT	Areal Flood Advisory	PUB	Crowley, Las Animas, Otero, Pueblo	114 min

Nearby

Tornado Warnings in Colorado, 2017 Every tornado warning in 2017 Tornadoes 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.