Alert archive / Colorado / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 203, NWS Denver/Boulder, CO

July 28, 1996Elbert County, Lincoln County, Colorado

NWS Denver/Boulder, CO issued this severe thunderstorm warning at Jul 28, 1996, 8:32 PM MDT for Elbert County, Lincoln County, Colorado. It was in force for 43 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Jul 28, 1996, 8:32 PM MDT (02:32 UTC)
Expired: Jul 28, 1996, 9:15 PM MDT
In force: 43 min
Issued by: NWS Denver/Boulder, CO
Area: Whole counties

Counties Elbert County, CO, Lincoln County, CO

What was reported inside it

Time	Report	Where	Remark
Jul 28, 9:11 PM MDT	Thunderstorm Wind 52	Boyero, CO

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Denver, CO (KDNR), launched 00:00Z, 2.5 hours before the alert went out and 96 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: 83 J/kg
Mixed-layer CIN: -149 J/kg
Mixed-layer LCL: 2683 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: -121 m²/s²
0-3 km storm-relative helicity: -101 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jul 28, 2:55 PM MDT, 5 hours 37 minutes before

COZ035-038-282130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
255 PM MDT SUN JUL 28 1996

...STRONG THUNDERSTORM IN NORTHEASTERN LARIMER COUNTY...

AT 250 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
THUNDERSTORM 14 MILES WEST NORTHWEST OF NATURAL FORT REST AREA...OR
ABOUT 30 MILES NORTH OF FORT COLLINS...ALONG THE COLORADO/WYOMING
BORDER.

THE STORM WAS MOVING SOUTHEAST AT 10 TO 15 MILES PER HOUR.

PERSONS IN OR NEAR CARR...NATURAL FORT REST AREA...ROCKPORT AND
WELLINGTON SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER AND MOVE
TO A PLACE OF SAFETY IF BAD WEATHER APPROACHES.

DANGEROUS LIGHTNING...SMALL HAIL...BRIEF HEAVY RAIN...AND GUSTY WINDS
TO 50 MPH ARE POSSIBLE WITH THIS STORM.  SEEK SHELTER IF THE STORM
APPRACHES YOUR AREA.

FMC

Special weather statement, Jul 28, 3:31 PM MDT, 5 hours 1 minute before

COZ035-038-282215-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
330 PM MDT SUN JUL 28 1996

...STRONG THUNDERSTORMS CONTINUE IN EXTREME NORTHEASTERN LARIMER AND
NORTHWESTERN WELD COUNTIES...

STRONG THUNDERSTORMS CONTINUE TO DISSIPATE AND REDEVELOP ALONG THE
COLORADO/WYOMING BORDERS.  AT 324 PM MDT NATIONAL WEATHER SERVICE
DOPPLER RADAR INDICATED A THUNDERSTORM 2 MILES SOUTHWEST OF NATURAL
FORT REST AREA...OR ABOUT 26 MILES NORTH OF FORT COLLINS.

THE STORM WAS MOVING SOUTHEAST AT 20 MILES PER HOUR.

PERSONS IN OR NEAR CARR...NATURAL FORT REST AREA AND ROCKPORT
SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER AND MOVE TO A PLACE
OF SAFETY IF BAD WEATHER APPROACHES.

DANGEROUS LIGHTNING...SMALL HAIL...BRIEF HEAVY RAIN...AND STRONG
GUSTY WINDS WILL OCCUR WITH THIS STORM.  SEEK SHELTER IF A STORM
APPROACHES YOUR AREA.

FMC

The office that day

Everything else NWS Denver/Boulder, CO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 28, 6:08 PM MDT	Tornado Warning	BOU	Adams, Denver, Weld	37 min
Jul 28, 6:35 PM MDT	Tornado Warning	BOU	Adams, Weld	25 min
Jul 28, 6:37 PM MDT	Severe Thunderstorm Warning	BOU	Boulder	53 min
Jul 28, 6:43 PM MDT	Severe Thunderstorm Warning	BOU	Logan, Phillips, Sedgwick	47 min
Jul 28, 6:56 PM MDT	Tornado Warning	BOU	Adams, Denver	34 min
Jul 28, 7:03 PM MDT	Tornado Warning	BOU	Adams, Arapahoe	27 min
Jul 28, 7:30 PM MDT	Severe Thunderstorm Warning	BOU	Logan, Phillips	45 min
Jul 28, 8:58 PM MDT	Severe Thunderstorm Warning	BOU	Lincoln	47 min

Nearby

Severe Thunderstorm Warnings in Colorado, 1996 Every severe thunderstorm warning in 1996

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.