Alert archive / Colorado / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 91, NWS Pueblo, CO

July 30, 2012El Paso County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at Jul 30, 2012, 7:12 PM MDT for El Paso 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
Jul 30, 2012, 7:12 PM MDT (01:12 UTC)
Expired
Jul 30, 2012, 7:37 PM MDT
In force
25 min
Issued by
NWS Pueblo, CO
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County El Paso County, CO

The radar

The Pueblo radar (KPUX), 57 km from the middle of the area, began a volume at 01:12 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 00:00Z, 1.2 hours before the alert went out and 166 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 00:00Z on 2012-07-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 144 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 00:00Z on 2012-07-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -3 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
144 J/kg
Mixed-layer CIN
-163 J/kg
Mixed-layer LCL
1672 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
-3 m²/s²
0-3 km storm-relative helicity
63 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.4

Open this sounding in Storm Lab

The text

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

988 
WUUS55 KPUB 310112
SVRPUB
COC041-310215-
/O.NEW.KPUB.SV.W.0091.120731T0112Z-120731T0215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
712 PM MDT MON JUL 30 2012

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL EL PASO COUNTY IN EAST CENTRAL COLORADO...

* UNTIL 815 PM MDT

* AT 706 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 NEAR
  COLORADO SPRINGS...AND MOVING EAST AT 20 MPH.

* LOCATIONS IMPACTED INCLUDE...
  COLORADO SPRINGS...PETERSON AFB AND SCHRIEVER AFB.

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 3891 10453 3877 10446 3875 10480 3884 10482
TIME...MOT...LOC 0112Z 256DEG 17KT 3880 10473
WIND...HAIL 60MPH 1.00IN

$$
3 follow-up statements
857 
WWUS55 KPUB 310121
SVSPUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
721 PM MDT MON JUL 30 2012

COC041-310215-
/O.CON.KPUB.SV.W.0091.000000T0000Z-120731T0215Z/
EL PASO CO-
721 PM MDT MON JUL 30 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL EL
PASO COUNTY UNTIL 815 PM MDT...

AT 718 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 NEAR
CENTRAL COLORADO SPRINGS...MOVING EAST AT 20 MPH.

LOCATIONS IMPACTED INCLUDE...
  COLORADO SPRINGS AND SCHRIEVER AFB.

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 10474 3884 10476 3891 10453 3877 10446
TIME...MOT...LOC 0121Z 256DEG 17KT 3881 10468
WIND...HAIL 60MPH 1.00IN

$$
396 
WWUS55 KPUB 310127
SVSPUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
727 PM MDT MON JUL 30 2012

COC041-310215-
/O.CON.KPUB.SV.W.0091.000000T0000Z-120731T0215Z/
EL PASO CO-
727 PM MDT MON JUL 30 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL EL
PASO COUNTY UNTIL 815 PM MDT...

AT 724 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 NEAR EAST
CENTRAL COLORADO SPRINGS...MOVING EAST AT 20 MPH.

LOCATIONS IMPACTED INCLUDE...
  COLORADO SPRINGS AND SCHRIEVER AFB.

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 3879 10471 3885 10473 3891 10453 3877 10446
TIME...MOT...LOC 0128Z 256DEG 17KT 3882 10466
WIND...HAIL 60MPH 1.00IN

$$
426 
WWUS55 KPUB 310137
SVSPUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
737 PM MDT MON JUL 30 2012

COC041-310148-
/O.CAN.KPUB.SV.W.0091.000000T0000Z-120731T0215Z/
EL PASO CO-
737 PM MDT MON JUL 30 2012

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL EL PASO COUNTY 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 3879 10471 3885 10473 3891 10453 3877 10446
TIME...MOT...LOC 0138Z 256DEG 17KT 3883 10460

$$

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, 7:32 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
Jul 31, 2:59 PM MDTSevere Thunderstorm WarningPUBEl Paso, Fremont, Teller18 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.