Alert archive / Colorado / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 16, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this severe thunderstorm warning at Jun 2, 1997, 2:10 PM MDT for Larimer 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 outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.
The facts
- Issued
- Jun 2, 1997, 2:10 PM MDT (20:10 UTC)
- Expired
- Jun 2, 1997, 2:45 PM MDT
- In force
- 35 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Larimer County, CO
The radar
The Cheyenne radar (KCYS), 52 km from the middle of the area, began a volume at 19:54 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 12:00Z, 8.2 hours before the alert went out and 193 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
- 99 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 562 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- -2 m²/s²
- 0-3 km storm-relative helicity
- 76 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
726
WUUS1 KDEN 022013 RRA
SVRDEN
COC069-022045-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DENVER CO
210 PM MDT MON JUN 2 1997
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A SEVERE
THUNDERSTORM WARNING EFFECTIVE UNTIL 245 PM MDT FOR PEOPLE IN THE
FOLLOWING COUNTIES...
IN NORTH CENTRAL COLORADO
NORTHEASTERN LARIMER
INCLUDING THE FOLLOWING LOCATIONS
LIVERMORE...MISHOWAKA...POUDRE PARK...TEDS PLACE...VIRGINIA DALE
AND WELLINGTON
AT 205 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM 5 MILES NORTH OF LIVERMORE...OR ABOUT 18 MILES
NORTHWEST OF FORT COLLINS.
THE STORM WAS MOVING EAST SOUTHEAST AT 15 MILES PER HOUR.
IF SEVERE WEATHER APPROACHES YOUR AREA...GO INSIDE A STURDY SHELTER
AWAY FROM CREEK BEDS AND OTHER FLOOD-PRONE AREAS. REMEMBER...A SEVERE
THUNDERSTORM CAN PRODUCE TORNADOES WITH LITTLE OR NO WARNING...LARGE
DAMAGING HAIL...DAMAGING WINDS OVER 60 MPH...DEADLY LIGHTNING...AND
VERY HEAVY RAIN.
A TORNADO WATCH REMAINS IN EFFECT FOR NORTHEAST COLORADO UNTIL
800 PM MDT.
REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN DENVER.
LAT...LON 4066 10497 4062 10541 4094 10545 4097 10505
KLEYLAWhat 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, Jun 2, 1:13 PM MDT, 57 minutes before
COZ033-035-038-022000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 113 PM MDT MON JUN 2 1997 ...STRONG THUNDERSTORMS DEVELOPING OVER LARIMER COUNTY EARLY THIS AFTERNOON... AT 110 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A THUNDERSTORM NEAR VIRGINIA DALE OR ABOUT 25 MILES NORTHWEST OF FORT COLLINS. THIS STORM WILL PRODUCE VERY HEAVY RAIN...HAIL TO 1/2 INCH IN DIAMETER...STRONG GUSTY WINDS AND DANGEROUS LIGHTNING. THE STORM WAS MOVING EAST SOUTHEAST AT 20 MILES PER HOUR. PERSONS IN THE PATH OF THIS STORM SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER AND MOVE TO A PLACE OF SAFETY IF BAD WEATHER APPROACHES. KLEYLA
Special weather statement, Jun 2, 1:14 PM MDT, 56 minutes before
COZ033-035-038-022000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 113 PM MDT MON JUN 2 1997 ...STRONG THUNDERSTORMS DEVELOPING OVER LARIMER COUNTY EARLY THIS AFTERNOON... AT 110 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A THUNDERSTORM NEAR VIRGINIA DALE OR ABOUT 25 MILES NORTHWEST OF FORT COLLINS. THIS STORM WILL PRODUCE VERY HEAVY RAIN...HAIL TO 1/2 INCH IN DIAMETER...STRONG GUSTY WINDS AND DANGEROUS LIGHTNING. THE STORM WAS MOVING EAST SOUTHEAST AT 20 MILES PER HOUR. PERSONS IN THE PATH OF THIS STORM SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER AND MOVE TO A PLACE OF SAFETY IF BAD WEATHER APPROACHES. KLEYLA
Special weather statement, Jun 2, 1:45 PM MDT, 25 minutes before
COZ033-035-038-022015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 145 PM MDT MON JUN 2 1997 ...STRONG THUNDERSTORMS CONTINUE OVER EASTERN LARIMER COUNTY EARLY THIS AFTERNOON... AT 140 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A THUNDERSTORM 12 MILES NORTHWEST OF BUCKEYE...OR ABOUT 26 MILES NORTHWEST OF FORT COLLINS. THIS STORM CONTAINS VERY HEAVY RAIN...HAIL TO 1/2 INCH IN DIAMETER...GUSTY WINDS AND DANGEROUS LIGHTNING. THE STORM WAS MOVING EAST SOUTHEAST AT 15 MILES PER HOUR AND WILL BE PERSONS IN THE PATH OF THIS STORM SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER AND MOVE TO A PLACE OF SAFETY IF BAD WEATHER APPROACHES. KLEYLA
Special weather statement, Jun 2, 1:45 PM MDT, 25 minutes before
COZ033-035-038-022015- SPECIAL WEATHER STATEMENT...CORRECTED 2ND PARAGRAPH NATIONAL WEATHER SERVICE DENVER CO 145 PM MDT MON JUN 2 1997 ...STRONG THUNDERSTORMS CONTINUE OVER EASTERN LARIMER COUNTY EARLY THIS AFTERNOON... AT 140 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A THUNDERSTORM 12 MILES NORTHWEST OF BUCKEYE...OR ABOUT 26 MILES NORTHWEST OF FORT COLLINS. THIS STORM CONTAINS VERY HEAVY RAIN...HAIL TO 1/2 INCH IN DIAMETER...GUSTY WINDS AND DANGEROUS LIGHTNING. THE STORM WAS MOVING EAST SOUTHEAST AT 15 MILES PER HOUR. PERSONS IN THE PATH OF THIS STORM SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER AND MOVE TO A PLACE OF SAFETY IF BAD WEATHER APPROACHES. KLEYLA
Special weather statement, Jun 2, 1:47 PM MDT, 23 minutes before
COZ033-035-038-022015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 145 PM MDT MON JUN 2 1997 ...STRONG THUNDERSTORMS CONTINUE OVER EASTERN LARIMER COUNTY EARLY THIS AFTERNOON... AT 140 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A THUNDERSTORM 12 MILES NORTHWEST OF BUCKEYE...OR ABOUT 26 MILES NORTHWEST OF FORT COLLINS. THIS STORM CONTAINS VERY HEAVY RAIN...HAIL TO 1/2 INCH IN DIAMETER...GUSTY WINDS AND DANGEROUS LIGHTNING. THE STORM WAS MOVING EAST SOUTHEAST AT 15 MILES PER HOUR AND WILL BE PERSONS IN THE PATH OF THIS STORM SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER AND MOVE TO A PLACE OF SAFETY IF BAD WEATHER APPROACHES. KLEYLA
Special weather statement, Jun 2, 1:49 PM MDT, 21 minutes before
COZ033-035-038-022015- SPECIAL WEATHER STATEMENT...CORRECTED 2ND PARAGRAPH NATIONAL WEATHER SERVICE DENVER CO 145 PM MDT MON JUN 2 1997 ...STRONG THUNDERSTORMS CONTINUE OVER EASTERN LARIMER COUNTY EARLY THIS AFTERNOON... AT 140 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A THUNDERSTORM 12 MILES NORTHWEST OF BUCKEYE...OR ABOUT 26 MILES NORTHWEST OF FORT COLLINS. THIS STORM CONTAINS VERY HEAVY RAIN...HAIL TO 1/2 INCH IN DIAMETER...GUSTY WINDS AND DANGEROUS LIGHTNING. THE STORM WAS MOVING EAST SOUTHEAST AT 15 MILES PER HOUR. PERSONS IN THE PATH OF THIS STORM SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER AND MOVE TO A PLACE OF SAFETY IF BAD WEATHER APPROACHES. KLEYLA
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 2, 12:16 AM MDT | Severe Thunderstorm Warning | BOU | Logan, Washington | 44 min |
| Jun 2, 3:30 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 45 min |
| Jun 2, 3:56 PM MDT | Tornado Warning | BOU | Weld | 34 min |
| Jun 2, 4:35 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 40 min |
| Jun 2, 4:55 PM MDT | Tornado Warning | BOU | Weld | 35 min |
| Jun 2, 5:18 PM MDT | Severe Thunderstorm Warning | BOU | Morgan, Weld | 42 min |
Nearby
Severe Thunderstorm Warnings in Colorado, 1997Every severe thunderstorm warning in 1997
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.