Alert archive / Colorado / Tornado Watches in 2005

Tornado Watch 378

June 2, 20058 counties in Colorado

The Storm Prediction Center issued this tornado watch at Jun 2, 2005, 7:35 PM MDT for 8 counties in Colorado. It was in force for 3 hr.

The area

The outline as issued.

The facts

Issued: Jun 2, 2005, 7:35 PM MDT (01:35 UTC)
Expired: Jun 2, 2005, 11:00 PM MDT
In force: 3 hr
Issued by: the Storm Prediction Center

Counties Cheyenne County, CO, Crowley County, CO, El Paso County, CO, Elbert County, CO, Kiowa County, CO, Kit Carson County, CO, Lincoln County, CO, Pueblo County, CO

The radar

The Pueblo radar (KPUX), 65 km from the middle of the area, began a volume at 01:36 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.

Warnings issued inside it

9 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

Issued	Product	Office	Counties	Lasted
Jun 2, 7:43 PM MDT	Tornado Warning	BOU	Lincoln	32 min
Jun 2, 7:44 PM MDT	Tornado Warning	GLD	Kit Carson	19 min
Jun 2, 7:44 PM MDT	Tornado Warning	PUB	El Paso	43 min
Jun 2, 7:57 PM MDT	Severe Thunderstorm Warning	BOU	Elbert	33 min
Jun 2, 7:58 PM MDT	Severe Thunderstorm Warning	GLD	Kit Carson	62 min
Jun 2, 8:08 PM MDT	Tornado Warning	BOU	Elbert, Lincoln	52 min
Jun 2, 8:59 PM MDT	Severe Thunderstorm Warning	GLD	Kit Carson	49 min
Jun 2, 9:03 PM MDT	Severe Thunderstorm Warning	BOU	Lincoln	37 min
Jun 2, 9:36 PM MDT	Severe Thunderstorm Warning	GLD	Cheyenne	56 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Denver, CO (KDNR), launched 00:00Z, 1.6 hours before the alert went out and 115 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 22 J/kg
Mixed-layer CIN: -209 J/kg
Mixed-layer LCL: 1030 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 230 m²/s²
0-3 km storm-relative helicity: 705 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 
WWUS20 KWNS 030136
SEL8  
SPC WW 030136
COZ000-030500-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 378
NWS STORM PREDICTION CENTER NORMAN OK
735 PM MDT THU JUN 2 2005

THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF 

       EASTERN COLORADO

EFFECTIVE THIS THURSDAY EVENING FROM 735 PM UNTIL 1100 PM MDT.

TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 55 STATUTE MILES
NORTH AND SOUTH OF A LINE FROM 20 MILES WEST NORTHWEST OF PUEBLO
COLORADO TO 90 MILES EAST OF LIMON COLORADO.  FOR A COMPLETE
DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE
(WOUS64 KWNS WOU8).

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.

OTHER WATCH INFORMATION...THIS TORNADO WATCH REPLACES TORNADO
WATCH NUMBER 376. WATCH NUMBER 376 WILL NOT BE IN EFFECT AFTER 735
PM MDT. CONTINUE...WW 377...

DISCUSSION...SUPERCELLS EXPECTED TO TRAIN ENEWD ALONG WSW/ESE
ORIENTED BOUNDARY SAGGING SLOWLY S ACROSS E CNTRL CO.  AREA
PROFILERS AND VWP DATA ...COUPLED WITH EVENING RAOBS...CONTINUE TO
SHOW ENVIRONMENT FAVORABLE FOR SUSTAINED SUPERCELLS WITH VERY LARGE
HAIL AND POSSIBLE  TORNADOES.  ACTIVITY WILL LIKELY TRANSITION INTO
A FORWARD PROPAGATING MCS WITH INCREASING HIGH WIND POTENTIAL LATER
THIS EVENING.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.
MEAN STORM MOTION VECTOR 26030.


...CORFIDI

391,1045 400,1015 382,1015 373,1045

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 2, 6:59 PM MDT	Mesoscale Discussion	SPC	Adams, Arapahoe, Broomfield, Cheyenne, Denver, Douglas and 10 more	91 min
Jun 2, 10:01 PM MDT	Mesoscale Discussion	SPC	Cheyenne, Crowley, Kiowa, Pueblo	29 min
Jun 3, 11:40 AM MDT	Mesoscale Discussion	SPC	Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Custer and 11 more	2 hr

Nearby

Tornado Watches in Colorado, 2005 Every tornado watch in 2005

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.