Alert archive / Colorado / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 95, NWS Pueblo, CO

July 31, 2012El Paso County, Fremont County, Teller County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at Jul 31, 2012, 2:59 PM MDT for El Paso County, Fremont County, Teller County, Colorado. It was in force for 18 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 31, 2012, 2:59 PM MDT (20:59 UTC)
Expired
Jul 31, 2012, 3:17 PM MDT
In force
18 min
Issued by
NWS Pueblo, CO
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties El Paso County, CO, Fremont County, CO, Teller County, CO

The radar

The Pueblo radar (KPUX), 68 km from the middle of the area, began a volume at 21:01 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, 9.0 hours before the alert went out and 197 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, Denver, CO at 12:00Z on 2012-07-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 26 joules per kilogram.LCLLFCEL10008507005003002001001 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, Denver, CO at 12:00Z on 2012-07-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 63 square meters per square second.193958Sfc1 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
26 J/kg
Mixed-layer CIN
-414 J/kg
Mixed-layer LCL
2225 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
63 m²/s²
0-3 km storm-relative helicity
69 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.

403 
WUUS55 KPUB 312059
SVRPUB
COC041-043-119-312200-
/O.NEW.KPUB.SV.W.0095.120731T2059Z-120731T2200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
259 PM MDT TUE JUL 31 2012

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN EL PASO COUNTY IN EAST CENTRAL COLORADO...
  NORTHEASTERN FREMONT COUNTY IN CENTRAL COLORADO...
  SOUTHEASTERN TELLER COUNTY IN CENTRAL COLORADO...

* UNTIL 400 PM MDT

* AT 256 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 9 MILES
  SOUTHEAST OF VICTOR...OR 19 MILES SOUTHWEST OF COLORADO SPRINGS...
  AND MOVING EAST AT 10 MPH.

* LOCATIONS IMPACTED INCLUDE...
  NORTHERN PORTIONS OF FORT CARSON.

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 3877 10479 3854 10478 3855 10511 3873 10512
TIME...MOT...LOC 2058Z 265DEG 7KT 3865 10499
WIND...HAIL 60MPH 1.00IN

$$
2 follow-up statements
008 
WWUS55 KPUB 312110
SVSPUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
310 PM MDT TUE JUL 31 2012

COC041-043-119-312200-
/O.CON.KPUB.SV.W.0095.000000T0000Z-120731T2200Z/
TELLER CO-FREMONT CO-EL PASO CO-
310 PM MDT TUE JUL 31 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHWESTERN
EL PASO...NORTHEASTERN FREMONT AND SOUTHEASTERN TELLER COUNTIES UNTIL
400 PM MDT...

AT 307 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 12 MILES
SOUTHEAST OF VICTOR...OR 17 MILES SOUTHWEST OF COLORADO SPRINGS...
MOVING EAST AT 10 MPH.

LOCATIONS IMPACTED INCLUDE...
  NORTHERN PORTIONS OF FORT CARSON.

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 3855 10502 3870 10502 3877 10479 3854 10478
TIME...MOT...LOC 2110Z 265DEG 7KT 3864 10493
WIND...HAIL 60MPH 1.00IN

$$
138 
WWUS55 KPUB 312117
SVSPUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
317 PM MDT TUE JUL 31 2012

COC041-043-119-312127-
/O.CAN.KPUB.SV.W.0095.000000T0000Z-120731T2200Z/
TELLER CO-FREMONT CO-EL PASO CO-
317 PM MDT TUE JUL 31 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN EL PASO...
NORTHEASTERN FREMONT AND SOUTHEASTERN TELLER 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...HOWEVER HEAVY RAIN IS STILL POSSIBLE WITH THIS
THUNDERSTORM.

LAT...LON 3855 10502 3870 10502 3877 10479 3854 10478
TIME...MOT...LOC 2117Z 265DEG 7KT 3864 10491

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 30, 6:20 PM MDTFlash Flood WarningPUBEl Paso2 hr
Jul 30, 7:05 PM MDTSevere Thunderstorm WarningPUBEl Paso38 min
Jul 30, 7:12 PM MDTSevere Thunderstorm WarningPUBEl Paso25 min
Jul 30, 7:32 PM MDTSevere Thunderstorm WarningPUBEl Paso58 min
Jul 30, 8:01 PM MDTSevere Thunderstorm WarningPUBHuerfano, Pueblo59 min
Jul 30, 8:06 PM MDTFlash Flood WarningPUBEl Paso114 min
Jul 30, 9:04 PM MDTFlash Flood WarningPUBEl Paso3 hr
Jul 30, 10:02 PM MDTFlash Flood WarningPUBEl Paso118 min
Jul 30, 11:55 PM MDTFlash Flood WarningPUBEl Paso2 hr
Jul 31, 1:54 AM MDTFlash Flood WarningPUBEl Paso3 hr
Jul 31, 12:38 PM MDTAreal Flood AdvisoryPUBLas Animas2 hr
Jul 31, 2:09 PM MDTSevere Thunderstorm WarningPUBLas Animas32 min
Jul 31, 2:28 PM MDTAreal Flood AdvisoryPUBLas Animas112 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.