Alert archive / Colorado / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 261, NWS Pueblo, CO

August 20, 2016Costilla County, Las Animas County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at Aug 20, 2016, 4:20 PM MDT for Costilla County, Las Animas 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: Aug 20, 2016, 4:20 PM MDT (22:20 UTC)
Expired: Aug 20, 2016, 4:45 PM MDT
In force: 25 min
Issued by: NWS Pueblo, CO
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Costilla County, CO, Las Animas County, CO

The radar

The Pueblo radar (KPUX), 157 km from the middle of the area, began a volume at 22:23 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

Albuquerq/Krtlnd, NM (KABQ), launched 12:00Z, 10.3 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: 14 J/kg
Mixed-layer CIN: -168 J/kg
Mixed-layer LCL: 1728 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 134 m²/s²
0-3 km storm-relative helicity: 188 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

271 
WUUS55 KPUB 202220
SVRPUB
COC023-071-202245-
/O.NEW.KPUB.SV.W.0261.160820T2220Z-160820T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
420 PM MDT SAT AUG 20 2016

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN COSTILLA COUNTY IN SOUTH CENTRAL COLORADO...
  SOUTHWESTERN LAS ANIMAS COUNTY IN SOUTHEASTERN COLORADO...

* UNTIL 445 PM MDT

* AT 420 PM MDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR
  STONEWALL...OR 27 MILES WEST OF TRINIDAD...MOVING SOUTH AT 10 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...
  STONEWALL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 3733 10504 3727 10485 3700 10491 3710 10523
TIME...MOT...LOC 2220Z 020DEG 8KT 3724 10499 

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

KT

1 follow-up statement

692 
WWUS55 KPUB 202234
SVSPUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
434 PM MDT SAT AUG 20 2016

COC023-071-202245-
/O.CON.KPUB.SV.W.0261.000000T0000Z-160820T2245Z/
COSTILLA CO-LAS ANIMAS CO-
434 PM MDT SAT AUG 20 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM MDT
FOR EASTERN COSTILLA AND SOUTHWESTERN LAS ANIMAS COUNTIES...

AT 434 PM MDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR STONEWALL...OR
27 MILES WEST OF TRINIDAD...MOVING SOUTHWEST AT 5 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...
STONEWALL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 3733 10504 3727 10485 3700 10491 3710 10523
TIME...MOT...LOC 2234Z 030DEG 5KT 3722 10500 

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

KT

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 19, 6:02 PM MDT	Flash Flood Warning	PUB	El Paso	118 min
Aug 19, 6:24 PM MDT	Areal Flood Advisory	PUB	El Paso	111 min
Aug 19, 7:08 PM MDT	Special Weather Statement	PUB	Fremont	52 min
Aug 19, 7:24 PM MDT	Special Weather Statement	PUB	Pueblo	66 min
Aug 19, 8:38 PM MDT	Special Weather Statement	PUB	Bent, Kiowa, Prowers	82 min
Aug 19, 8:45 PM MDT	Special Weather Statement	PUB	Las Animas	90 min
Aug 19, 9:39 PM MDT	Special Weather Statement	PUB	Baca	96 min
Aug 20, 4:07 PM MDT	Areal Flood Advisory	PUB	Mineral, Rio Grande	3 hr
Aug 20, 4:40 PM MDT	Severe Thunderstorm Warning	PUB	Costilla, Huerfano, Las Animas	35 min
Aug 20, 5:17 PM MDT	Severe Thunderstorm Warning	PUB	Costilla, Huerfano, Las Animas	43 min
Aug 20, 5:23 PM MDT	Areal Flood Advisory	PUB	Costilla, Huerfano, Las Animas	3 hr

Nearby

Severe Thunderstorm Warnings in Colorado, 2016 Every severe thunderstorm warning in 2016

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.