Alert archive / Colorado / Tornado Warnings in 2007

Tornado Warning 5, NWS Pueblo, CO

April 21, 2007Baca County, Colorado

NWS Pueblo, CO issued this tornado warning at Apr 21, 2007, 5:30 PM MDT for Baca County, Colorado. It was in force for 60 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
Apr 21, 2007, 5:30 PM MDT (23:30 UTC)
Expired
Apr 21, 2007, 6:30 PM MDT
In force
60 min
Issued by
NWS Pueblo, CO
Area
Counties, with a storm outline in the text

County Baca County, CO

The radar

The Pueblo radar (KPUX), 202 km from the middle of the area, began a volume at 23:30 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 watch it was issued in

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

IssuedProductOfficeLasted
Apr 21, 2:10 PM MDTTornado WatchSPC7 hr

The nearest sounding before it

Dodge City, (KDDC), launched 12:00Z, 11.5 hours before the alert went out and 232 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, Dodge City, at 12:00Z on 2007-04-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 303 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, Dodge City, at 12:00Z on 2007-04-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 242 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
303 J/kg
Mixed-layer CIN
-477 J/kg
Mixed-layer LCL
881 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
242 m²/s²
0-3 km storm-relative helicity
218 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.

000 
WFUS55 KPUB 212330
TORPUB
COC009-220030-
/O.NEW.KPUB.TO.W.0005.070421T2330Z-070422T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
530 PM MDT SAT APR 21 2007

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN BACA COUNTY IN SOUTHEAST COLORADO...

* UNTIL 630 PM MDT...

* AT 526 PM MDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO.  THIS
  SEVERE STORM WAS LOCATED 6 MILES SOUTHEAST OF CAMPO...OR 33 MILES
  WEST OF ELKHART...AND WAS MOVING TOWARD THE NORTHEAST AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  VILAS.
  WALSH.
  TWO BUTTES.

THE SAFEST PLACE TO BE IN A HOUSE IS IN A BASEMENT...UNDER STURDY
FURNITURE. IF NO BASEMENT IS AVAILABLE...GO TO THE LOWEST FLOOR...IN
AN INTERIOR HALLWAY OR SMALL INTERIOR ROOM...SUCH AS A CLOSET OR
BATHROOM. USE BLANKETS OR PILLOWS TO COVER AND PROTECT YOUR BODY FROM
FLYING DEBRIS. ALWAYS STAY AWAY FROM WINDOWS.

IF YOU ARE OUTDOORS...OR IN A MOBILE HOME...OR IN A VEHICLE...GO TO A
NEARBY STURDY STRUCTURE AND GET IN A SMALL INTERIOR ROOM ON THE
LOWEST FLOOR POSSIBLE AWAY FROM WINDOWS. IF THERE IS NO STURDY
STRUCTURE AVAILABLE...AS A LAST RESORT...GO TO A CULVERT...DITCH...OR
OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 3703 10261 3699 10235 3762 10207 3764 10262

$$
4 follow-up statements
000 
WWUS55 KPUB 212342
SVSPUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
541 PM MDT SAT APR 21 2007

COC009-220030-
/O.CON.KPUB.TO.W.0005.000000T0000Z-070422T0030Z/
BACA CO-
541 PM MDT SAT APR 21 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM MDT FOR EASTERN
BACA COUNTY...

AT 539 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A SEVERE THUNDERSTORM WITH RAPID ROTATION PRODUCING A 
TORNADO.  THIS SEVERE STORM WAS CENTERED 7 MILES SOUTHEAST OF 
VILAS...OR 22 MILES SOUTHWEST OF THE SAUNDERS ELEVATOR...AND WAS 
MOVING TOWARD THE NORTHEAST AT 35 MPH.

LOCATIONS IMPACTED INCLUDE...
  WALSH.
  BARTLETT.

THE SAFEST PLACE TO BE IN A HOUSE IS IN A BASEMENT...UNDER STURDY
FURNITURE. IF NO BASEMENT IS AVAILABLE...GO TO THE LOWEST FLOOR...IN
AN INTERIOR HALLWAY OR SMALL INTERIOR ROOM...SUCH AS A CLOSET OR
BATHROOM. USE BLANKETS OR PILLOWS TO COVER AND PROTECT YOUR BODY FROM
FLYING DEBRIS. ALWAYS STAY AWAY FROM WINDOWS.

IF YOU ARE OUTDOORS...OR IN A MOBILE HOME...OR IN A VEHICLE...GO TO A
NEARBY STURDY STRUCTURE AND GET IN A SMALL INTERIOR ROOM ON THE
LOWEST FLOOR POSSIBLE AWAY FROM WINDOWS. IF THERE IS NO STURDY
STRUCTURE AVAILABLE...AS A LAST RESORT...GO TO A CULVERT...DITCH...OR
OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM MDT SATURDAY EVENING
FOR SOUTHEAST COLORADO.

LAT...LON 3716 10252 3710 10231 3751 10205 3763 10237

$$
000 
WWUS55 KPUB 212355
SVSPUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
551 PM MDT SAT APR 21 2007

COC009-220030-
/O.CON.KPUB.TO.W.0005.000000T0000Z-070422T0030Z/
BACA CO-
551 PM MDT SAT APR 21 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM MDT FOR EASTERN
BACA COUNTY...

AT 547 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE SEVERE THUNDERSTORMS WITH RAPID ROTATION CAPABLE OF 
PRODUCING A TORNADO.  SEVERE STORMS WERE NEAR WALSH AND JUST SOUTH 
OF STONINGTON...AND WERE MOVING TOWARD THE NORTHEAST AT 40 MPH.

LOCATIONS IMPACTED INCLUDE...
  BARTLETT.
  WALSH.
  STONINGTON.

NO RECENT TORNADO REPORTS HAVE BEEN RECEIVED...BUT THESE STORMS ARE
STILL ROTATING RAPIDLY AND COULD PRODUCE A TORNADO AT ANY TIME.

THE SAFEST PLACE TO BE IN A HOUSE IS IN A BASEMENT...UNDER STURDY
FURNITURE. IF NO BASEMENT IS AVAILABLE...GO TO THE LOWEST FLOOR...IN
AN INTERIOR HALLWAY OR SMALL INTERIOR ROOM...SUCH AS A CLOSET OR
BATHROOM. USE BLANKETS OR PILLOWS TO COVER AND PROTECT YOUR BODY FROM
FLYING DEBRIS. ALWAYS STAY AWAY FROM WINDOWS.

IF YOU ARE OUTDOORS...OR IN A MOBILE HOME...OR IN A VEHICLE...GO TO A
NEARBY STURDY STRUCTURE AND GET IN A SMALL INTERIOR ROOM ON THE
LOWEST FLOOR POSSIBLE AWAY FROM WINDOWS. IF THERE IS NO STURDY
STRUCTURE AVAILABLE...AS A LAST RESORT...GO TO A CULVERT...DITCH...OR
OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM MDT SATURDAY EVENING
FOR SOUTHEAST COLORADO.

LAT...LON 3716 10252 3709 10229 3751 10205 3758 10230

$$
000 
WWUS55 KPUB 220011
SVSPUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
609 PM MDT SAT APR 21 2007

COC009-220030-
/O.CON.KPUB.TO.W.0005.000000T0000Z-070422T0030Z/
BACA CO-
609 PM MDT SAT APR 21 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM MDT FOR EASTERN
BACA COUNTY...

AT 604 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE SEVERE THUNDERSTORMS WITH ROTATION CAPABLE OF PRODUCING  
TORNADOS.  THIS SEVERE STORMS EXTENDED FROM BARTLETT TO 10 MILES 
SOUTH OF STONINGTON...AND WERE MOVING TOWARD THE NORTHEAST 
AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
  BARTLETT.
  WALSH.

NO RECENT TORNADO REPORTS HAVE BEEN RECEIVED...BUT THESE STORMS WERE 
STILL ROTATING AND COULD PRODUCE TORNADOS AT ANY TIME.

THE SAFEST PLACE TO BE IN A HOUSE IS IN A BASEMENT...UNDER STURDY
FURNITURE. IF NO BASEMENT IS AVAILABLE...GO TO THE LOWEST FLOOR...IN
AN INTERIOR HALLWAY OR SMALL INTERIOR ROOM...SUCH AS A CLOSET OR
BATHROOM. USE BLANKETS OR PILLOWS TO COVER AND PROTECT YOUR BODY FROM
FLYING DEBRIS. ALWAYS STAY AWAY FROM WINDOWS.

IF YOU ARE OUTDOORS...OR IN A MOBILE HOME...OR IN A VEHICLE...GO TO A
NEARBY STURDY STRUCTURE AND GET IN A SMALL INTERIOR ROOM ON THE
LOWEST FLOOR POSSIBLE AWAY FROM WINDOWS. IF THERE IS NO STURDY
STRUCTURE AVAILABLE...AS A LAST RESORT...GO TO A CULVERT...DITCH...OR
OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM MDT SATURDAY EVENING
FOR SOUTHEAST COLORADO.

LAT...LON 3709 10239 3704 10206 3759 10206 3762 10234

$$
000 
WWUS55 KPUB 220029
SVSPUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
627 PM MDT SAT APR 21 2007

COC009-220037-
/O.EXP.KPUB.TO.W.0005.000000T0000Z-070422T0030Z/
BACA CO-
629 PM MDT SAT APR 21 2007

...THE TORNADO WARNING FOR EASTERN BACA COUNTY EXPIRES AT 630 PM
MDT...

A LINE OF STRONG THUNDERSTORMS IS ON THE COLORADO KANSAS 
BORDER...MOVING TOWARD THE NORTHEAST AT 45 MPH INTO SOUTHWEST KANSAS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM MDT SATURDAY EVENING
FOR SOUTHEAST COLORADO.

LAT...LON 3709 10239 3704 10206 3759 10206 3762 10234

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 21, 3:54 PM MDTSevere Thunderstorm WarningPUBBaca, Prowers66 min
Apr 21, 4:41 PM MDTTornado WarningPUBKiowa, Prowers64 min
Apr 21, 4:55 PM MDTSevere Thunderstorm WarningPUBBaca65 min
Apr 21, 5:44 PM MDTTornado WarningPUBKiowa, Prowers61 min

Nearby

Tornado Warnings in Colorado, 2007Every tornado warning in 2007Tornadoes in 2007

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.