Alert archive / Colorado / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 16, NWS Pueblo, CO

April 26, 2012Baca County, Prowers County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at Apr 26, 2012, 6:36 PM MDT for Baca County, Prowers County, Colorado. It was in force for 24 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: Apr 26, 2012, 6:36 PM MDT (00:36 UTC)
Expired: Apr 26, 2012, 7:00 PM MDT
In force: 24 min
Issued by: NWS Pueblo, CO
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Baca County, CO, Prowers County, CO

The radar

The Dodge City radar (KDDC), 203 km from the middle of the area, began a volume at 00:36 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.

What was reported inside it

Time	Report	Where	Remark
Apr 26, 6:55 PM MDT	HAIL 1	1 Ne Two Buttes, 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
Apr 26, 2:42 PM MDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Dodge City, (KDDC), launched 00:00Z, 0.6 hours before the alert went out and 209 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: 2701 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 17 m²/s²
0-3 km storm-relative helicity: 280 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.

055 
WUUS55 KPUB 270036
SVRPUB
COC009-099-270100-
/O.NEW.KPUB.SV.W.0016.120427T0036Z-120427T0100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
636 PM MDT THU APR 26 2012

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN BACA COUNTY IN SOUTHEAST COLORADO...
  SOUTH CENTRAL PROWERS COUNTY IN SOUTHEAST COLORADO...

* UNTIL 700 PM MDT

* AT 634 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
  HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE
  LOCATED ALONG A LINE EXTENDING FROM VILAS TO STONINGTON...AND
  MOVING NORTH AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  STONINGTON...VILAS...WALSH AND TWO BUTTES.

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 3715 10207 3728 10261 3773 10249 3762 10203
      3725 10203
TIME...MOT...LOC 0037Z 194DEG 31KT 3735 10247 3726 10215
WIND...HAIL 60MPH 1.00IN

$$

1 follow-up statement

990 
WWUS55 KPUB 270050
SVSPUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
650 PM MDT THU APR 26 2012

COC009-099-270100-
/O.CON.KPUB.SV.W.0016.000000T0000Z-120427T0100Z/
BACA CO-PROWERS CO-
650 PM MDT THU APR 26 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTH CENTRAL
PROWERS AND NORTHEASTERN BACA COUNTIES UNTIL 700 PM MDT...

AT 649 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM 6 MILES NORTH OF VILAS TO 7 MILES
NORTHEAST OF STONINGTON...MOVING NORTH AT 35 MPH.

LOCATIONS IMPACTED INCLUDE...
  TWO BUTTES.

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.

&&

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM MDT
THURSDAY EVENING FOR SOUTHEAST COLORADO.

LAT...LON 3741 10257 3773 10249 3762 10203 3728 10203
TIME...MOT...LOC 0050Z 194DEG 31KT 3747 10242 3738 10210
WIND...HAIL 60MPH 1.00IN

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 26, 6:04 PM MDT	Severe Thunderstorm Warning	PUB	Baca	41 min
Apr 26, 6:56 PM MDT	Severe Thunderstorm Warning	PUB	Baca, Prowers	49 min
Apr 26, 7:30 PM MDT	Severe Thunderstorm Warning	PUB	Kiowa, Prowers	30 min
Apr 26, 10:46 PM MDT	Severe Thunderstorm Warning	PUB	Baca	22 min
Apr 27, 12:22 AM MDT	Severe Thunderstorm Warning	PUB	Baca, Bent, Las Animas, Otero	53 min
Apr 27, 12:46 AM MDT	Tornado Warning	PUB	Baca	26 min
Apr 27, 1:09 AM MDT	Severe Thunderstorm Warning	PUB	Baca, Bent, Prowers	51 min
Apr 27, 1:25 AM MDT	Tornado Warning	PUB	Bent, Prowers	50 min
Apr 27, 1:44 AM MDT	Tornado Warning	PUB	Bent, Kiowa, Prowers	19 min
Apr 27, 1:55 AM MDT	Tornado Warning	PUB	Bent, Prowers	50 min
Apr 27, 2:21 AM MDT	Tornado Warning	PUB	Kiowa, Prowers	39 min
Apr 27, 2:43 AM MDT	Tornado Warning	PUB	Kiowa, Prowers	32 min
Apr 27, 2:56 AM MDT	Tornado Warning	PUB	Kiowa	13 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.