Alert archive / Colorado / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 70, NWS Pueblo, CO

June 8, 2012El Paso County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at Jun 8, 2012, 3:12 AM MDT for El Paso County, Colorado. It was in force for 63 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
Jun 8, 2012, 3:12 AM MDT (09:12 UTC)
Expired
Jun 8, 2012, 4:15 AM MDT
In force
63 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), 68 km from the middle of the area, began a volume at 09:14 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

TimeReportWhereRemark
Jun 8, 3:22 AM MDTHAIL 1.75Ese Ramah, CO

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Denver, CO (KDNR), launched 00:00Z, 9.2 hours before the alert went out and 117 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 2012-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1009 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 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 2012-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 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
1009 J/kg
Mixed-layer CIN
-107 J/kg
Mixed-layer LCL
2384 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
80 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.6

Open this sounding in Storm Lab

The text

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

385 
WUUS55 KPUB 080912
SVRPUB
COC041-081015-
/O.NEW.KPUB.SV.W.0070.120608T0912Z-120608T1015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
312 AM MDT FRI JUN 8 2012

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

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

* UNTIL 415 AM MDT

* AT 309 AM 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 RAMAH...OR 30 MILES WEST OF LIMON.  THIS STORM WAS
  NEARLY STATIONARY.

* LOCATIONS IMPACTED INCLUDE...

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 3913 10405 3890 10405 3890 10406 3912 10427
      3914 10426 3914 10406
TIME...MOT...LOC 0912Z 180DEG 0KT 3919 10423
WIND...HAIL 60MPH 1.00IN

$$
1 follow-up statement
305 
WWUS55 KPUB 080927
SVSPUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
327 AM MDT FRI JUN 8 2012

COC041-081015-
/O.CON.KPUB.SV.W.0070.000000T0000Z-120608T1015Z/
EL PASO CO-
327 AM MDT FRI JUN 8 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHEASTERN
EL PASO COUNTY UNTIL 415 AM MDT...

AT 322 AM MDT...THE PUBLIC REPORTED A SEVERE THUNDERSTORM PRODUCING
GOLF BALL SIZE HAIL.  THIS STORM WAS LOCATED NEAR RAMAH...OR 27 MILES
SOUTHWEST OF LIMON...MOVING SOUTHEAST AT 20 MPH.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF NORTHEASTERN EL PASO 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 3913 10405 3890 10405 3890 10406 3912 10427
      3914 10422 3914 10406
TIME...MOT...LOC 0927Z 332DEG 16KT 3907 10413
WIND...HAIL <50MPH 1.75IN

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 7, 6:53 PM MDTTornado WarningPUBEl Paso37 min
Jun 7, 7:27 PM MDTTornado WarningPUBEl Paso48 min
Jun 7, 8:14 PM MDTTornado WarningPUBEl Paso31 min
Jun 7, 8:21 PM MDTSevere Thunderstorm WarningPUBEl Paso54 min
Jun 7, 8:38 PM MDTSevere Thunderstorm WarningPUBEl Paso52 min
Jun 7, 8:42 PM MDTSevere Thunderstorm WarningPUBEl Paso63 min
Jun 7, 8:45 PM MDTFlash Flood WarningPUBEl Paso2 hr
Jun 7, 9:25 PM MDTSevere Thunderstorm WarningPUBEl Paso50 min
Jun 7, 9:25 PM MDTTornado WarningPUBCrowley, El Paso, Pueblo50 min
Jun 7, 9:39 PM MDTSevere Thunderstorm WarningPUBEl Paso66 min
Jun 7, 10:13 PM MDTTornado WarningPUBCrowley, El Paso, Pueblo47 min
Jun 7, 10:44 PM MDTSevere Thunderstorm WarningPUBEl Paso28 min
Jun 8, 3:41 AM MDTSevere Thunderstorm WarningPUBEl Paso34 min
Jun 8, 2:17 PM MDTRed Flag WarningPUBAlamosa, Conejos, Costilla, Custer, El Paso, Fremont and 6 more31 hr

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.