Alert archive / Colorado / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 259, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this severe thunderstorm warning at Aug 14, 1996, 6:15 PM MDT for Weld County, Colorado. It was in force for 30 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, 6:15 PM MDT (00:15 UTC)
- Expired
- Aug 14, 1996, 6:45 PM MDT
- In force
- 30 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Whole counties
County Weld County, CO
The radar
The Cheyenne radar (KCYS), 75 km from the middle of the area, began a volume at 00:14 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
Denver, CO (KDNR), launched 00:00Z, 0.3 hours before the alert went out and 125 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.
- Mixed-layer CAPE
- 627 J/kg
- Mixed-layer CIN
- -75 J/kg
- Mixed-layer LCL
- 2385 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- -21 m²/s²
- 0-3 km storm-relative helicity
- -2 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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, 2:02 PM MDT, 4 hours 13 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, 3 hours 11 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 14, 6:12 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 33 min |
| Aug 14, 6:34 PM MDT | Severe Thunderstorm Warning | BOU | Elbert | 26 min |
| Aug 14, 6:43 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 47 min |
| Aug 15, 1:52 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 53 min |
| Aug 15, 3:50 PM MDT | Severe Thunderstorm Warning | BOU | Morgan, Weld | 40 min |
| Aug 15, 4:41 PM MDT | Tornado Warning | BOU | Adams, Arapahoe | 34 min |
| Aug 15, 4:58 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe, Elbert | 47 min |
Nearby
Severe Thunderstorm Warnings in Colorado, 1996Every 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.