Alert archive / Colorado / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 255, NWS Denver/Boulder, CO

August 14, 1996Lincoln County, Colorado

NWS Denver/Boulder, CO issued this severe thunderstorm warning at Aug 14, 1996, 4:55 PM MDT for Lincoln County, Colorado. It was in force for 35 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Aug 14, 1996, 4:55 PM MDT (22:55 UTC)
Expired: Aug 14, 1996, 5:30 PM MDT
In force: 35 min
Issued by: NWS Denver/Boulder, CO
Area: Whole counties

County Lincoln County, CO

The radar

The Pueblo radar (KPUX), 82 km from the middle of the area, began a volume at 22:55 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 nearest sounding before it

Fort Carson/Butt, CO (KFCS), launched 12:00Z, 10.9 hours before the alert went out and 108 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: 989 J/kg
Mixed-layer CIN: -139 J/kg
Mixed-layer LCL: 2471 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: -21 m²/s²
0-3 km storm-relative helicity: 46 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, Aug 14, 11:14 AM MDT, 5 hours 41 minutes before

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Special weather statement, Aug 14, 2:02 PM MDT, 2 hours 53 minutes before

COZ033-035-038-039-142045-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER COLORADO
202 PM MDT WED AUG 14 1996

...THUNDERSTORMS DEVELOPING IN SOUTHCENTRAL LARIMER COUNTY...

AT 201 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
THUNDERSTORM 4 MILES NORTHEAST OF GLEN HAVEN...OR ABOUT 18 MILES WEST
OF FORT COLLINS.  THIS STORM WAS MOVING SOUTHEAST AT 20 MILES PER
HOUR.

PERSONS IN OR NEAR WESTERN FORT COLLINS...BELLVUE...BUCKHORN
MOUNTAIN...DRAKE...ESTES PARK...GLEN HAVEN...LOVELAND...LYONS AND
MASONVILLE SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER AND MOVE
TO A PLACE OF SAFETY IF BAD WEATHER APPROACHES.

THIS STORM IS CAPABLE OF PRODUCING DANGEROUS LIGHTNING...SMALL HAIL
...BRIEF HEAVY RAIN...AND WIND GUSTS TO 40 MPH.

RJK

Special weather statement, Aug 14, 3:04 PM MDT, 1 hour 51 minutes before

COZ033-035-038-142140-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER COLORADO
305 PM MDT WED AUG 14 1996

...THUNDERSTORMS MOVING INTO NORTHCENTRAL AND NORTHEAST LARIMER
COUNTY...

AT 303 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
THUNDERSTORM 3 MILES NORTH OF VIRGINIA DALE...OR ABOUT 32 MILES
NORTHWEST OF FORT COLLINS MOVING SOUTH-SOUTHEAST AT 20 MPH.

PERSONS IN OR NEAR LIVERMORE...MISHOWAKA...POUDRE PARK...TEDS
PLACE...VIRGINIA DALE AND WELLINGTON SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER AND MOVE TO A PLACE OF SAFETY IF BAD WEATHER
APPROACHES.

THESE THUNDERSTORMS WERE PRODUCING SMALL HAIL...HEAVY RAIN...AND
WIND GUSTS AS HIGH AS 40 MPH.

RJK

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 13, 7:52 PM MDT	Severe Thunderstorm Warning	BOU	Douglas	38 min
Aug 13, 8:42 PM MDT	Severe Thunderstorm Warning	BOU	Elbert	33 min
Aug 14, 5:09 PM MDT	Severe Thunderstorm Warning	BOU	Weld	36 min
Aug 14, 5:31 PM MDT	Severe Thunderstorm Warning	BOU	Lincoln	44 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.