Alert archive / Colorado / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 43, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this severe thunderstorm warning at Jun 13, 1997, 9:31 PM MDT for Lincoln County, Colorado. It was in force for 44 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 13, 1997, 9:31 PM MDT (03:31 UTC)
- Expired
- Jun 13, 1997, 10:15 PM MDT
- In force
- 44 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Lincoln County, CO
The radar
The Pueblo radar (KPUX), 78 km from the middle of the area, began a volume at 03:30 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, 3.5 hours before the alert went out and 120 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
- 42 J/kg
- Mixed-layer CIN
- -47 J/kg
- Mixed-layer LCL
- 1375 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 81 m²/s²
- 0-3 km storm-relative helicity
- 119 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KDEN 140331 RRA
SVRDEN
COC073-140415-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DENVER CO
931 PM MDT FRI JUN 13 1997
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A SEVERE
THUNDERSTORM WARNING EFFECTIVE UNTIL 1015 PM MDT FOR PEOPLE IN THE
FOLLOWING COUNTIES...
IN EAST CENTRAL COLORADO
CENTRAL LINCOLN
INCLUDING THE FOLLOWING LOCATIONS
KARVAL
AT 927 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM 9 MILES NORTH OF KARVAL...OR ABOUT 29 MILES SOUTH
OF LIMON.
THE STORM WAS MOVING 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 LARGE DAMAGING HAIL...DAMAGING WINDS OVER 60
MPH...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH
LITTLE OR NO ADVANCE WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY IN
A STURDY STRUCTURE SUCH AS A BASEMENT OR SMALL INTERIOR ROOM IF A
TORNADO IS SPOTTED.
REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER S4ERVICE FORECAST
OFFICE IN DENVER.
LAT...LON 3876 10320 3871 10342 3867 10361 3890 10363
3900 10332
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 13, 4:30 PM MDT, 5 hours 1 minute before
COZ045-132330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 430 PM MDT FRI JUN 13 1997 ...STRONG THUNDERSTORM IN EASTERN ARAPAHOE COUNTY... AT 419 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A THUNDERSTORM 3 MILES EAST OF DEER TRAIL...OR ABOUT 30 MILES NORTHWEST OF LIMON COLORADO. THE STORM WAS MOVING SLOWLY TO THE EAST NORTHEAST AT 5 MILES PER HOUR. PERSONS IN OR NEAR DEER TRAIL 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 WILL OCCUR WITH THIS STORM. THIS STORM COULD PRODUCE UP TO 2 INCHES OF RAIN IN AN HOUR. HEAVY RAINS MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS AS THEY MAY BE WASHED OUT. WATER LEVELS OF SMALL STREAMS AND RIVERS MAY ALSO RISE...THEREFORE SEEK HIGHER GROUND IF THREATENED BY FLBOOD WATERS. A TORNADO WATCH REMAINS IN EFFECT FOR MOST OF EASTERN COLORADO UNTIL 800 PM MDT. GARD...WSFO DENVER
Special weather statement, Jun 13, 5:12 PM MDT, 4 hours 19 minutes before
COZ041-140015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 513 PM MDT FRI JUN 13 1997 ...STRONG THUNDERSTORM IN CENTRAL ELBERT COUNTY COLORADO... AT 510 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM OVER FONDIS...OR ABOUT 41 MILES WEST OF LIMON. THE STORM WAS MOVING EAST AT 10 TO 15 MILES PER HOUR. PERSONS IN OR NEAR ELBERT SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER AND MOVE TO A PLACE OF SAFETY IF BAD WEATHER APPROACHES UNTIL 615 PM MDT THIS EVENING. DANGEROUS LIGHTNING...SMALL HAIL...BRIEF HEAVY RAIN...AND GUSTY WINDS WILL OCCUR WITH THIS STORM. HEAVY RAINS MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS AS THEY MAY BE WASHED OUT. WATER LEVELS OF SMALL STREAMS AND RIVERS MAY ALSO RISE...THEREFORE SEEK HIGHER GROUND IF THREATENED BY FLOOD WATERS. A TORNADO WATCH REMAINS IN EFFECT FOR MOST OF EASTERN CO|LORADO UNTIL 800 PM MDT. GARD...WSFO DENVER
Special weather statement, Jun 13, 5:27 PM MDT, 4 hours 4 minutes before
COZ045-046-049-140030-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
526 PM MDT FRI JUN 13 1997
...STRONG THUNDERSTORMS IN
SOUTHEASTERN ARAPAHOE...NORTHEASTERN ELBERT...NORTH CENTRAL
LINCOLN AND SOUTHWESTERN WASHINGTON COUNTIES OF COLORADO...
AT 518 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A A
STRONG THUNDERSTORM 4 MILES SOUTH OF AGATE...OR ABOUT 16 MILES
NORTHWEST OF LIMON.
THE STORM WAS MOVING EAST AT 15 MILES PER HOUR.
PERSONS IN OR NEAR AGATE AND JOLLY RANCH
SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER AND MOVE TO A PLACE
OF SAFETY IF BAD WEATHER APPROACHES UNTIL 630 PM MDT THIS EVENING.
DANGEROUS LIGHTNING...SMALL HAIL...BRIEF HEAVY RAIN...AND GUSTY WINDS
WILL OCCUR WITH THIS STORM.
HEAVY RAINS MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS AS THEY
MAY BE WASHED OUT. WATER LEVELS OF SMALL STREAMS AND RIVERS MAY ALSO
RISE...THEREFORE SEEK HIGHER GROUND IF THREATENED BY FLOOD WATERS.
A TORNADO WATCH REMAINS IN EFFECT FOR MOST OF EASTERN COLORADO UNTIL
800 PM MDT.
GARD...WSFO DENVERSpecial weather statement, Jun 13, 7:58 PM MDT, 1 hour 33 minutes before
COZ035-036-038>041-043>050-065>068-070>081-090>092-140230-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
800 PM MDT FRI JUN 13 1997
...TORNADO WATCH FOR MOST OF EASTERN COLORADO EXPIRES...
THE TORNADO WATCH FOR
EASTERN FREMONT...SOUTHEASTERN LARIMER...EAST CENTRAL
COSTILLA...EASTERN CUSTER...HUERFANO...EASTERN BOULDER...LAS
ANIMAS...EASTERN JEFFERSON...EASTERN TELLER...DOUGLAS...
PUEBLO...EL PASO...ARAPAHOE...DENVER...ADAMS...SOUTHWESTERN
WELD...ELBERT...OTERO...CROWLEY...LINCOLN...MORGAN...
WASHINGTON...KIOWA...BENT...SOUTHERN LOGAN...BACA...CHEYENNE...
KIT CARSON...PROWERS...YUMA AND SOUTHERN PHILLIPS
COUNTIES OF COLORADO
WILL BE ALLOWED TO EXPIRE AT 800 PM MDT THIS EVENING.
GARD...WSFO DENVERSpecial weather statement, Jun 13, 8:00 PM MDT, 1 hour 31 minutes before
COZ035-036-038>041-043>050-065>068-070>081-090>092-140230-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
800 PM MDT FRI JUN 13 1997
...TORNADO WATCH FOR MOST OF EASTERN COLORADO EXPIRES...
THE TORNADO WATCH FOR
EASTERN FREMONT...SOUTHEASTERN LARIMER...EAST CENTRAL
COSTILLA...EASTERN CUSTER...HUERFANO...EASTERN BOULDER...LAS
ANIMAS...EASTERN JEFFERSON...EASTERN TELLER...DOUGLAS...
PUEBLO...EL PASO...ARAPAHOE...DENVER...ADAMS...SOUTHWESTERN
WELD...ELBERT...OTERO...CROWLEY...LINCOLN...MORGAN...
WASHINGTON...KIOWA...BENT...SOUTHERN LOGAN...BACA...CHEYENNE...
KIT CARSON...PROWERS...YUMA AND SOUTHERN PHILLIPS
COUNTIES OF COLORADO
WILL BE ALLOWED TO EXPIRE AT 800 PM MDT THIS EVENING.
GARD...WSFO DENVERSpecial weather statement, Jun 13, 8:41 PM MDT, 50 minutes before
COZ036-039-040-140315- SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 841 PM MDT FRI JUN 13 1997 ...RAPIDLY DEVELOPING THUNDERSTORMS ROLLING OFF FOOTHILLS... AT 838 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF THUNDERSTORMS OVER NORTH CENTRAL JEFFERSON COUNTY. THE STRONGEST STORM WAS LOCATED 1 MILE NORTHWEST OF WHEAT RIDGE...OR ABOUT 8 MILES WEST OF DENVER. AT 835 PM MDT AMATEUR RADIO WEATHER SPOTTERS REPORTED PEA TO MARBLE SIZE HAIL (1/4 TO 1/2 INCH DIAMETER) IN GOLDEN...OR ABOUT 11 MILES WEST OF DENVER. THE STORM WAS MOVING NORTHEAST AT 15 MILES PER HOUR. PERSONS IN OR NEAR ARVADA...BROOMFIELD...GOLDEN...NORTHERN LAKEWOOD.....NORTHGLENN...THORNTON...WESTMINSTER...WHEAT RIDGE... ELDORADO SPRINGS...FEDERAL HEIGHTS...LAFAYETTE... LOUISVILLE...ROCKY FLATS AND SUPERIOR SHOULD REMAIN ALERT FOR THE POSSIBLY OF SEVERE WEATHER. BE PREPARED TO MOVE TO A PLACE OF SAFETY IF SEVERE WEATHER APPROACHES. HAIL...STRONG WINDS GUSTS...HEAVY RAIN AND FREQUENTLY LIGHTNING ARE POSSIBLE WITH THESE STORMS. BAKER
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 13, 6:12 PM MDT | Severe Thunderstorm Warning | BOU | Elbert | 48 min |
| Jun 13, 6:12 PM MDT | Severe Thunderstorm Warning | BOU | Elbert, Lincoln | 33 min |
| Jun 13, 6:30 PM MDT | Flash Flood Warning | BOU | Weld | 16 hr |
| Jun 13, 6:57 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 43 min |
| Jun 13, 7:07 PM MDT | Tornado Warning | BOU | Elbert | 23 min |
| Jun 13, 7:30 PM MDT | Severe Thunderstorm Warning | BOU | Elbert | 45 min |
| Jun 13, 8:15 PM MDT | Tornado Warning | BOU | Elbert | 30 min |
| Jun 13, 8:47 PM MDT | Tornado Warning | BOU | Elbert, Lincoln | 43 min |
| Jun 14, 3:53 PM MDT | Severe Thunderstorm Warning | BOU | Elbert | 42 min |
| Jun 14, 3:55 PM MDT | Severe Thunderstorm Warning | BOU | Boulder, Larimer | 35 min |
| Jun 14, 4:22 PM MDT | Severe Thunderstorm Warning | BOU | Larimer, Weld | 23 min |
| Jun 14, 4:26 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe, Elbert | 29 min |
| Jun 14, 4:26 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Washington | 29 min |
| Jun 14, 4:39 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe, Denver | 51 min |
| Jun 14, 4:45 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 30 min |
| Jun 14, 5:00 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe, Washington | 35 min |
| Jun 14, 5:00 PM MDT | Severe Thunderstorm Warning | BOU | Elbert | 35 min |
| Jun 14, 5:23 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe, Denver | 52 min |
| Jun 14, 5:51 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 29 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.