Alert archive / Colorado / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 68

March 7, 200014 counties in Colorado

The Storm Prediction Center issued this severe thunderstorm watch at Mar 7, 2000, 9:45 AM MST for 14 counties in Colorado. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued: Mar 7, 2000, 9:45 AM MST (16:45 UTC)
Expired: Mar 7, 2000, 3:00 PM MST
In force: 5 hr
Issued by: the Storm Prediction Center

Counties Baca County, CO, Bent County, CO, Cheyenne County, CO, Crowley County, CO, Kiowa County, CO, Kit Carson County, CO, Lincoln County, CO, Logan County, CO, Otero County, CO, Phillips County, CO, Prowers County, CO, Sedgwick County, CO, Washington County, CO, Yuma County, CO

The radar

The Pueblo radar (KPUX), 95 km from the middle of the area, began a volume at 16:47 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

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

Issued	Product	Office	Counties	Lasted
Mar 7, 9:49 AM MST	Severe Thunderstorm Warning	BOU	Lincoln	31 min
Mar 7, 10:25 AM MST	Severe Thunderstorm Warning	BOU	Logan	35 min
Mar 7, 10:40 AM MST	Severe Thunderstorm Warning	PUB	Baca	45 min
Mar 7, 11:21 AM MST	Severe Thunderstorm Warning	GLD	Cheyenne	29 min
Mar 7, 12:22 PM MST	Severe Thunderstorm Warning	GLD	Kit Carson	33 min
Mar 7, 12:39 PM MST	Severe Thunderstorm Warning	GLD	Cheyenne	46 min
Mar 7, 12:48 PM MST	Severe Thunderstorm Warning	BOU	Elbert, Lincoln	27 min
Mar 7, 1:21 PM MST	Severe Thunderstorm Warning	GLD	Cheyenne, Kit Carson	44 min
Mar 7, 2:01 PM MST	Severe Thunderstorm Warning	PUB	Kiowa, Prowers	59 min
Mar 7, 2:03 PM MST	Severe Thunderstorm Warning	GLD	Kit Carson, Yuma	47 min
Mar 7, 2:07 PM MST	Severe Thunderstorm Warning	GLD	Cheyenne	18 min
Mar 7, 2:28 PM MST	Severe Thunderstorm Warning	GLD	Cheyenne	47 min
Mar 7, 2:49 PM MST	Severe Thunderstorm Warning	GLD	Kit Carson, Yuma	61 min

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 4.8 hours before the alert went out and 135 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2314 m above ground
0-6 km bulk shear: 62 kt
0-1 km storm-relative helicity: 101 m²/s²
0-3 km storm-relative helicity: 320 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.

605 
WWUS9 KMKC 071620
SEL8  

SEL8  
MKC WW 071620
COZ000-072200-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 68
STORM PREDICTION CENTER NORMAN OK
920 AM MST TUE MAR 7 2000

THE STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

   EASTERN COLORADO                           

EFFECTIVE THIS TUESDAY MORNING AND AFTERNOON FROM 945 AM UNTIL 300
PM MST.

HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 50 STATUTE MILES
EAST AND WEST OF A LINE FROM 70 MILES SOUTH SOUTHEAST OF LA JUNTA
COLORADO TO 60 MILES NORTH NORTHEAST OF AKRON COLORADO.

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR 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.


DISCUSSION...N/S LINE OF STORMS E OF FRONT RANGE SERN CO ARE
EXPECTED TO CONTINUE TO INTENSIFY AS THEY SLOWLY TRANSLATE EWD AND
DEVELOP NWD AT THE SAME TIME. AIRMASS ERN CO E  OF LINE RAPIDLY
DESTABILIZING WITH INCREASING LOW LEVEL SELY FLOW ENHANCING
CONVERGENCE.


AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES.  EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450.  MEAN STORM
MOTION VECTOR 20035.


...HALES

370,1040 405,1034 405,1014 370,1021

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 7, 1:00 PM MST	Severe Thunderstorm Watch	SPC	Phillips, Sedgwick, Yuma	5 hr

Nearby

Severe Thunderstorm Watches in Colorado, 2000 Every severe thunderstorm watch in 2000

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.