Alert archive / Colorado / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 86, NWS Pueblo, CO

July 10, 2012Alamosa County, Conejos County, Rio Grande County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at Jul 10, 2012, 6:43 PM MDT for Alamosa County, Conejos County, Rio Grande County, Colorado. It was in force for 31 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 10, 2012, 6:43 PM MDT (00:43 UTC)
Expired
Jul 10, 2012, 7:14 PM MDT
In force
31 min
Issued by
NWS Pueblo, CO
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Alamosa County, CO, Conejos County, CO, Rio Grande County, CO

The radar

The Pueblo radar (KPUX), 195 km from the middle of the area, began a volume at 00:43 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 00:00Z, 0.7 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-pSkew-T log-p diagram, Albuquerq/Krtlnd, NM at 00:00Z on 2012-07-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albuquerq/Krtlnd, NM at 00:00Z on 2012-07-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 18 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
2535 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
18 m²/s²
0-3 km storm-relative helicity
1 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.

627 
WUUS55 KPUB 110043
SVRPUB
COC003-021-105-110145-
/O.NEW.KPUB.SV.W.0086.120711T0043Z-120711T0145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
643 PM MDT TUE JUL 10 2012

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN ALAMOSA COUNTY IN SOUTH CENTRAL COLORADO...
  NORTH CENTRAL CONEJOS COUNTY IN SOUTH CENTRAL COLORADO...
  SOUTHEASTERN RIO GRANDE COUNTY IN SOUTH CENTRAL COLORADO...

* UNTIL 745 PM MDT

* AT 639 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 8 MILES
  NORTHWEST OF ALAMOSA...AND MOVING SOUTH AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ALAMOSA.

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 3726 10585 3730 10620 3762 10606 3759 10584
TIME...MOT...LOC 0044Z 007DEG 15KT 3753 10597
WIND...HAIL 60MPH 1.00IN

$$
3 follow-up statements
131 
WWUS55 KPUB 110054
SVSPUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
654 PM MDT TUE JUL 10 2012

COC003-021-105-110145-
/O.CON.KPUB.SV.W.0086.000000T0000Z-120711T0145Z/
CONEJOS CO-ALAMOSA CO-RIO GRANDE CO-
654 PM MDT TUE JUL 10 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
RIO GRANDE...SOUTHWESTERN ALAMOSA AND NORTH CENTRAL CONEJOS COUNTIES
UNTIL 745 PM MDT...

AT 650 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 6 MILES
NORTHWEST OF ALAMOSA...MOVING SOUTH AT 15 MPH.

WEB CAMS FROM THE ALAMOSA AIRPORT SHOW AN APPARENT INTENSE HAIL 
SHAFT WITH THIS STORM TO THE WEST-NORTHWEST OF ALAMOSA.

LOCATIONS IMPACTED INCLUDE...
  ALAMOSA AND LA JARA.

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 3754 10609 3757 10597 3750 10584 3726 10585
      3730 10620
TIME...MOT...LOC 0053Z 007DEG 15KT 3749 10598
WIND...HAIL 60MPH 1.00IN

$$
793 
WWUS55 KPUB 110105
SVSPUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
705 PM MDT TUE JUL 10 2012

COC003-021-105-110145-
/O.CON.KPUB.SV.W.0086.000000T0000Z-120711T0145Z/
CONEJOS CO-ALAMOSA CO-RIO GRANDE CO-
705 PM MDT TUE JUL 10 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
RIO GRANDE...SOUTHWESTERN ALAMOSA AND NORTH CENTRAL CONEJOS COUNTIES
UNTIL 745 PM MDT...

AT 704 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF
60 MPH.  THIS STORM WAS LOCATED 8 MILES WEST OF ALAMOSA...MOVING
SOUTH AT 15 MPH. PENNY SIZE HAIL MAY ALSO ACCOMPANY THESE DAMAGING
WINDS.

BETWEEN 700 PM AND 705 PM...THIS STORM HAS SHOWN A WEAKENING TREND 
ON RADAR.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF EXTREME SOUTHEASTERN RIO GRANDE...NORTHERN
  CONEJOS AND SOUTHWESTERN ALAMOSA COUNTIES.

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 3749 10611 3754 10599 3745 10594 3727 10592
      3730 10620
TIME...MOT...LOC 0105Z 007DEG 15KT 3745 10602
WIND...HAIL 60MPH 0.75IN

$$
346 
WWUS55 KPUB 110114
SVSPUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
714 PM MDT TUE JUL 10 2012

COC003-021-105-110125-
/O.CAN.KPUB.SV.W.0086.000000T0000Z-120711T0145Z/
CONEJOS CO-ALAMOSA CO-RIO GRANDE CO-
714 PM MDT TUE JUL 10 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN RIO GRANDE...
SOUTHWESTERN ALAMOSA AND NORTH CENTRAL CONEJOS COUNTIES IS
CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.

LAT...LON 3749 10611 3754 10599 3745 10594 3727 10592
      3730 10620
TIME...MOT...LOC 0115Z 007DEG 15KT 3741 10603

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 11, 4:01 PM MDTSevere Thunderstorm WarningPUBMineral, Rio Grande33 min

Nearby

Severe Thunderstorm Warnings in Colorado, 2012Every 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.