Alert archive / Colorado / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 29, NWS Pueblo, CO

May 19, 2012Las Animas County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at May 19, 2012, 1:50 PM MDT for 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: May 19, 2012, 1:50 PM MDT (19:50 UTC)
Expired: May 19, 2012, 2:15 PM MDT
In force: 25 min
Issued by: NWS Pueblo, CO
Area: Storm-based polygon
Hail: 1.75 in
Wind: 50.0 mph

County Las Animas County, CO

The radar

The Pueblo radar (KPUX), 124 km from the middle of the area, began a volume at 19:52 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 (KDNR), launched 12:00Z, 7.8 hours before the alert went out and 268 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: 216 J/kg
Mixed-layer CIN: -35 J/kg
Mixed-layer LCL: 820 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: -128 m²/s²
0-3 km storm-relative helicity: -51 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.6

Open this sounding in Storm Lab

The text

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

221 
WUUS55 KPUB 191950
SVRPUB
COC071-192015-
/O.NEW.KPUB.SV.W.0029.120519T1950Z-120519T2015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
150 PM MDT SAT MAY 19 2012

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

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

* UNTIL 215 PM MDT

* AT 145 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE HAIL.  THIS
  STORM WAS LOCATED 17 MILES EAST OF THATCHER...OR 32 MILES SOUTH OF
  LA JUNTA...AND MOVING SOUTHEAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF CENTRAL 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.

&&

LAT...LON 3748 10333 3728 10344 3748 10384 3764 10373
TIME...MOT...LOC 1950Z 299DEG 21KT 3752 10369
WIND...HAIL <50MPH 1.75IN

$$

1 follow-up statement

946 
WWUS55 KPUB 192001
SVSPUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
201 PM MDT SAT MAY 19 2012

COC071-192015-
/O.CON.KPUB.SV.W.0029.000000T0000Z-120519T2015Z/
LAS ANIMAS CO-
201 PM MDT SAT MAY 19 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL LAS
ANIMAS COUNTY UNTIL 215 PM MDT...

AT 155 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING PING PONG BALL SIZE HAIL. 
THIS STORM WAS LOCATED 20 MILES SOUTHWEST OF HIGBEE...OR 32 MILES
SOUTH OF LA JUNTA...MOVING SOUTHEAST AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF EASTERN 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.

&&

LAT...LON 3748 10333 3728 10344 3748 10384 3764 10373
TIME...MOT...LOC 2001Z 302DEG 26KT 3749 10358
WIND...HAIL <50MPH 1.50IN

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 19, 9:21 AM MDT	Severe Thunderstorm Warning	PUB	Kiowa	54 min
May 19, 10:14 AM MDT	Severe Thunderstorm Warning	PUB	Kiowa	61 min
May 19, 12:12 PM MDT	Severe Thunderstorm Warning	PUB	Huerfano, Las Animas, Otero, Pueblo	63 min
May 19, 1:15 PM MDT	Severe Thunderstorm Warning	PUB	Bent, Las Animas, Otero	60 min
May 19, 2:13 PM MDT	Severe Thunderstorm Warning	PUB	Las Animas	62 min
May 19, 2:16 PM MDT	Severe Thunderstorm Warning	PUB	Las Animas	29 min
May 19, 2:37 PM MDT	Severe Thunderstorm Warning	PUB	Baca, Las Animas	53 min
May 19, 5:48 PM MDT	Severe Thunderstorm Warning	PUB	Custer, Fremont, Pueblo	27 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.