Alert archive / Colorado / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 111, NWS Pueblo, CO

September 27, 2012Las Animas County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at Sep 27, 2012, 4:34 PM MDT for Las Animas County, Colorado. It was in force for 56 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: Sep 27, 2012, 4:34 PM MDT (22:34 UTC)
Expired: Sep 27, 2012, 5:30 PM MDT
In force: 56 min
Issued by: NWS Pueblo, CO
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Las Animas County, CO

The radar

The Pueblo radar (KPUX), 164 km from the middle of the area, began a volume at 22:34 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

Amarillo Airport, TX (KAMA), launched 12:00Z, 10.6 hours before the alert went out and 261 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: 157 J/kg
Mixed-layer CIN: -36 J/kg
Mixed-layer LCL: 552 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 44 m²/s²
0-3 km storm-relative helicity: 26 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

801 
WUUS55 KPUB 272234
SVRPUB
COC071-272330-
/O.NEW.KPUB.SV.W.0111.120927T2234Z-120927T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
434 PM MDT THU SEP 27 2012

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN LAS ANIMAS COUNTY IN SOUTHEAST COLORADO...

* UNTIL 530 PM MDT

* AT 429 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 10
  MILES SOUTHWEST OF KIM...OR 51 MILES WEST OF SPRINGFIELD...AND
  MOVING SOUTHEAST AT 10 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF SOUTHEASTERN LAS ANIMAS COUNTY...MAINLY 
  ALONG AND SOUTH OF HIGHWAY 160.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 3708 10368 3726 10349 3718 10309 3699 10327
      3699 10358
TIME...MOT...LOC 2234Z 296DEG 9KT 3712 10346
WIND...HAIL 60MPH 1.00IN

$$

4 follow-up statements

931 
WWUS55 KPUB 272245
SVSPUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
445 PM MDT THU SEP 27 2012

COC071-272330-
/O.CON.KPUB.SV.W.0111.000000T0000Z-120927T2330Z/
LAS ANIMAS CO-
445 PM MDT THU SEP 27 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
LAS ANIMAS COUNTY UNTIL 530 PM MDT...

AT 443 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 11 MILES
SOUTH OF KIM...OR 49 MILES SOUTHWEST OF SPRINGFIELD...MOVING
SOUTHEAST AT 10 MPH.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF SOUTHEASTERN LAS ANIMAS COUNTY SOUTH OF 
  HIGHWAY 160.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

THIS STORM HAS EXHIBITED SOME WEAK ROTATION. TORNADOES CAN DEVELOP
QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH ONE IS NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE... SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.

&&

LAT...LON 3705 10363 3723 10341 3718 10309 3699 10327
      3699 10358
TIME...MOT...LOC 2245Z 296DEG 9KT 3710 10342
WIND...HAIL 60MPH 1.00IN

$$

715 
WWUS55 KPUB 272254 RRA
SVSPUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
454 PM MDT THU SEP 27 2012

COC071-272330-
/O.CON.KPUB.SV.W.0111.000000T0000Z-120927T2330Z/
LAS ANIMAS CO-
454 PM MDT THU SEP 27 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
LAS ANIMAS COUNTY UNTIL 530 PM MDT...

AT 452 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 13 MILES
SOUTH OF KIM...OR 49 MILES SOUTHWEST OF SPRINGFIELD...MOVING
SOUTHEAST AT 15 MPH.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF EXTREME SOUTHEASTERN LAS ANIMAS COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

THIS STORM HAS EXHIBITED SOME WEAK ROTATION. TORNADOES CAN DEVELOP
QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH ONE IS NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE... SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.

&&

LAT...LON 3704 10359 3718 10336 3711 10315 3699 10327
      3699 10358
TIME...MOT...LOC 2254Z 321DEG 15KT 3705 10339
WIND...HAIL 60MPH 1.00IN

$$

361 
WWUS55 KPUB 272311
SVSPUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
511 PM MDT THU SEP 27 2012

COC071-272330-
/O.CON.KPUB.SV.W.0111.000000T0000Z-120927T2330Z/
LAS ANIMAS CO-
511 PM MDT THU SEP 27 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
LAS ANIMAS COUNTY UNTIL 530 PM MDT...

AT 506 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 16 MILES
SOUTH OF KIM...OR 49 MILES SOUTHWEST OF SPRINGFIELD...MOVING
SOUTHEAST AT 15 MPH.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF EXTREME SOUTHEASTERN LAS ANIMAS COUNTY SOUTH
  OF KIM NEAR THE COLORADO NEW MEXICO BORDER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

THIS STORM HAS EXHIBITED SOME WEAK ROTATION. TORNADOES CAN DEVELOP
QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH ONE IS NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE... SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.

&&

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT MDT
FRIDAY MORNING FOR SOUTHEAST COLORADO.

LAT...LON 3700 10347 3704 10347 3710 10333 3706 10320
      3699 10327
TIME...MOT...LOC 2311Z 321DEG 15KT 3699 10333
WIND...HAIL 60MPH 1.00IN

$$

139 
WWUS55 KPUB 272328
SVSPUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
528 PM MDT THU SEP 27 2012

COC071-272338-
/O.EXP.KPUB.SV.W.0111.000000T0000Z-120927T2330Z/
LAS ANIMAS CO-
528 PM MDT THU SEP 27 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN LAS ANIMAS COUNTY
WILL EXPIRE AT 530 PM MDT...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT MDT
FRIDAY MORNING FOR SOUTHEAST COLORADO.

LAT...LON 3700 10347 3704 10347 3710 10333 3706 10320
      3699 10327
TIME...MOT...LOC 2328Z 321DEG 15KT 3693 10327

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 26, 9:22 PM MDT	Severe Thunderstorm Warning	PUB	Kiowa	53 min
Sep 27, 2:18 PM MDT	Tornado Warning	PUB	El Paso, Teller	27 min
Sep 27, 2:32 PM MDT	Areal Flood Advisory	PUB	El Paso	56 min
Sep 27, 3:50 PM MDT	Severe Thunderstorm Warning	PUB	El Paso	40 min
Sep 27, 4:10 PM MDT	Severe Thunderstorm Warning	PUB	Crowley, El Paso, Pueblo	65 min
Sep 27, 4:43 PM MDT	Severe Thunderstorm Warning	PUB	Pueblo	52 min
Sep 27, 5:09 PM MDT	Severe Thunderstorm Warning	PUB	Crowley, Kiowa, Otero	66 min
Sep 27, 5:13 PM MDT	Severe Thunderstorm Warning	PUB	Crowley, Otero, Pueblo	62 min

Nearby

Severe Thunderstorm Warnings in Colorado, 2012 Every severe thunderstorm warning in 2012

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.