Alert archive / Colorado / Tornado Warnings in 2010

Tornado Warning 41, NWS Pueblo, CO

July 4, 2010El Paso County, Colorado

NWS Pueblo, CO issued this tornado warning at Jul 4, 2010, 8:25 PM MDT for El Paso County, Colorado. It was in force for 65 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
Jul 4, 2010, 8:25 PM MDT (02:25 UTC)
Expired
Jul 4, 2010, 9:30 PM MDT
In force
65 min
Issued by
NWS Pueblo, CO
Area
Storm-based polygon

County El Paso County, CO

The radar

The Pueblo radar (KPUX), 71 km from the middle of the area, began a volume at 02:25 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
Jul 4, 8:41 PM MDTHAIL 0.754 Wsw Calhan, CO

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 4, 4:10 PM MDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Denver, CO (KDNR), launched 00:00Z, 2.4 hours before the alert went out and 124 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 2010-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 638 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 00:00Z on 2010-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -56 square meters per square second.19395878Sfc1 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
638 J/kg
Mixed-layer CIN
-61 J/kg
Mixed-layer LCL
1200 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
-56 m²/s²
0-3 km storm-relative helicity
-8 m²/s²
Significant tornado parameter
-0.2
Supercell composite
-1.0

Open this sounding in Storm Lab

The text

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

277 
WFUS55 KPUB 050225
TORPUB
COC041-050330-
/O.NEW.KPUB.TO.W.0041.100705T0225Z-100705T0330Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
825 PM MDT SUN JUL 4 2010

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

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

* UNTIL 930 PM MDT

* AT 820 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR PEYTON...OR 21 MILES NORTHEAST OF COLORADO
  SPRINGS...AND MOVING NORTHEAST AT 20 MPH.

* LOCATIONS IMPACTED INCLUDE...
  CALHAN AND RAMAH.

THIS STORM HAS TURNED SHARPLY TO THE RIGHT AND REPLACES THE TORNADO 
WARNING WHICH WAS ISSUED AT 819 PM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM MDT
SUNDAY EVENING FOR SOUTHEASTERN COLORADO.

LAT...LON 3912 10404 3909 10404 3893 10447 3912 10462
      3913 10461 3913 10405
TIME...MOT...LOC 0224Z 229DEG 17KT 3903 10443

$$
2 follow-up statements
750 
WWUS55 KPUB 050234
SVSPUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
834 PM MDT SUN JUL 4 2010

COC041-050330-
/O.CON.KPUB.TO.W.0041.000000T0000Z-100705T0330Z/
EL PASO CO-
834 PM MDT SUN JUL 4 2010

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHEASTERN EL PASO
COUNTY UNTIL 930 PM MDT...

AT 829 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR PEYTON...OR 25 MILES NORTHEAST OF COLORADO
SPRINGS...MOVING EAST AT 25 MPH.

THE PUBLIC REPORTED WINDS OF 60 TO 70 MPH AND FUNNELS HAVE ALSO BEEN 
REPORTED. THE FUNNEL WAS REPORTED NORTHEAST OF PEYTON. 

THIS IS A DANGEROUS STORM...SEEK SHELTER NOW. 

LOCATIONS IMPACTED INCLUDE...
  CALHAN AND RAMAH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM MDT
SUNDAY EVENING FOR SOUTHEASTERN COLORADO.

LAT...LON 3912 10404 3909 10404 3893 10447 3912 10462
      3913 10461 3913 10405
TIME...MOT...LOC 0233Z 248DEG 23KT 3905 10436

$$
553 
WWUS55 KPUB 050330
SVSPUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
930 PM MDT SUN JUL 4 2010

COC041-050340-
/O.EXP.KPUB.TO.W.0041.000000T0000Z-100705T0330Z/
EL PASO CO-
930 PM MDT SUN JUL 4 2010

...THE TORNADO WARNING FOR NORTHEASTERN EL PASO COUNTY HAS EXPIRED...

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

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM MDT
SUNDAY EVENING FOR SOUTHEASTERN COLORADO.

LAT...LON 3912 10404 3909 10404 3893 10447 3912 10462
      3913 10461 3913 10405
TIME...MOT...LOC 0234Z 259DEG 38KT 3897 10468

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 4, 6:43 PM MDTSevere Thunderstorm WarningPUBEl Paso, Teller62 min
Jul 4, 6:58 PM MDTAreal Flood AdvisoryPUBEl Paso, Teller2 hr
Jul 4, 7:14 PM MDTSevere Thunderstorm WarningPUBEl Paso61 min
Jul 4, 7:35 PM MDTSevere Thunderstorm WarningPUBEl Paso55 min
Jul 4, 7:38 PM MDTSevere Thunderstorm WarningPUBEl Paso, Teller67 min
Jul 4, 7:55 PM MDTFlash Flood WarningPUBEl Paso, Teller3 hr
Jul 4, 8:19 PM MDTSevere Thunderstorm WarningPUBBent, Otero56 min
Jul 4, 8:19 PM MDTTornado WarningPUBEl Paso56 min
Jul 4, 8:24 PM MDTSevere Thunderstorm WarningPUBBent, Crowley, Kiowa, Otero46 min
Jul 4, 8:34 PM MDTSevere Thunderstorm WarningPUBEl Paso, Teller56 min
Jul 4, 8:37 PM MDTTornado WarningPUBEl Paso53 min
Jul 4, 9:02 PM MDTSevere Thunderstorm WarningPUBBent, Kiowa, Prowers47 min
Jul 4, 9:32 PM MDTSevere Thunderstorm WarningPUBEl Paso43 min
Jul 4, 9:37 PM MDTSevere Thunderstorm WarningPUBEl Paso, Teller55 min
Jul 4, 9:54 PM MDTAreal Flood AdvisoryPUBEl Paso3 hr
Jul 4, 9:58 PM MDTSevere Thunderstorm WarningPUBEl Paso, Pueblo48 min
Jul 4, 10:41 PM MDTFlash Flood WarningPUBEl Paso, Teller2 hr
Jul 4, 11:47 PM MDTSevere Thunderstorm WarningPUBEl Paso, Pueblo19 min
Jul 5, 1:37 AM MDTAreal Flood AdvisoryPUBKiowa, Prowers113 min

Nearby

Tornado Warnings in Colorado, 2010Every tornado warning in 2010Tornadoes in 2010

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.