Alert archive / Colorado / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 84, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this severe thunderstorm warning at Jul 21, 1995, 3:34 PM MDT for Adams County, Arapahoe County, Colorado. It was in force for 41 min.
The area
The counties it named.
The facts
- Issued
- Jul 21, 1995, 3:34 PM MDT (21:34 UTC)
- Expired
- Jul 21, 1995, 4:15 PM MDT
- In force
- 41 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Whole counties
Counties Adams County, CO, Arapahoe County, CO
The radar
The Denver radar (KFTG), 18 km from the middle of the area, began a volume at 21:38 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, 9.6 hours before the alert went out and 95 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2870 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 41 m²/s²
- 0-3 km storm-relative helicity
- 36 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 212133 RRA
SVRDEN
COC001-005-212215-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DENVER CO
334 PM MDT FRI JUL 21 1995
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A SEVERE
THUNDERSTORM WARNING EFFECTIVE UNTIL 415 PM MDT FOR PEOPLE IN
THE FOLLOWING COUNTIES
IN NORTHEASTERN COLORADO
SOUTH CENTRAL ADAMS AND ARAPAHOE
INCLUDING THE FOLLOWING LOCATIONS
BENNETT...BYERS...COUNTRY GARDENS...DEER TRAIL AND
STRASBURG
AT 331 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A SEVERE THUNDERSTORM 3 MILES EAST OF BENNETT ...OR ABOUT 29
MILES EAST OF DENVER.
THIS STORM MAY PRODUCE STRONG WINDS TO 60 MPH AS IT MOVES TOWARD BYERS
BY 345 PM.
TO REPORT SEVERE WEATHER HAVE THE NEAREST LAW ENFORCEMENT
AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
FORECAST OFFICE IN DENVER.
KLEYLA
LAT...LON 3963 10382 3962 10451 3987 10446 3983 10389What 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 21, 10:38 AM MDT, 4 hours 56 minutes before
COZ015-030>050-220600- SIGNIFICANT WEATHER OUTLOOK FOR NORTHEAST AND NORTH CENTRAL COLORADO NATIONAL WEATHER SERVICE DENVER CO 1045 AM MDT FRI JUL 21 1995 THIS OUTLOOK PERTAINS TO THE FOLLOWING COLORADO COUNTIES ADAMS ARAPAHOE BOULDER CLEAR CREEK DENVER DOUGLAS ELBERT GILPIN GRAND JACKSON JEFFERSON LAKE LARIMER LINCOLN LOGAN MORGAN PARK PHILLIPS SEDGWICK SUMMIT WASHINGTON WELD SYNOPSIS: THE ATMOSPHERE OVER THE AREA CONTINUES FAVORABLE FOR THUNDERSTORMS DEVELOPMENT LATER THIS AFTERNOON INTO THE EVENING HOURS ACROSS THE NORTH CENTRAL MOUNTAINS AND ALONG THE NORTHEAST FRONT RANGE. SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP OVER THE MOUNTAINS AND FOOTHILLS THIS AFTERNOON AND THEN MOVE INTO THE FRONT RANGE AFTER 3 PM. THE MAIN THREAT FROM MOST OF THE THUNDERSTORMS WILL BE BRIEF HEAVY RAIN...SMALL HAIL AND GUSTY WINDS TO 50 MPH. HOWEVER A FEW ISOLATED SEVERE THUNDERSTORMS ARE POSSIBLE ALONG THE FRONT RANGE WITH THE MAIN THREAT BEING STRONG MICROBURST WIND GUSTS TO 60 MPH. SPOTTER ACTIVATION IS NOT ANTICIPATED ACROSS NORTHEAST COLORADO THIS AFTERNOON OR EVENING. KLEYLA
Special weather statement, Jul 21, 10:45 AM MDT, 4 hours 49 minutes before
COZ015-030>050-220600- SIGNIFICANT WEATHER OUTLOOK FOR NORTHEAST AND NORTH CENTRAL COLORADO NATIONAL WEATHER SERVICE DENVER CO 1045 AM MDT FRI JUL 21 1995 THIS OUTLOOK PERTAINS TO THE FOLLOWING COLORADO COUNTIES ADAMS ARAPAHOE BOULDER CLEAR CREEK DENVER DOUGLAS ELBERT GILPIN GRAND JACKSON JEFFERSON LAKE LARIMER LINCOLN LOGAN MORGAN PARK PHILLIPS SEDGWICK SUMMIT WASHINGTON WELD SYNOPSIS: THE ATMOSPHERE OVER THE AREA CONTINUES FAVORABLE FOR THUNDERSTORMS DEVELOPMENT LATER THIS AFTERNOON INTO THE EVENING HOURS ACROSS THE NORTH CENTRAL MOUNTAINS AND ALONG THE NORTHEAST FRONT RANGE. SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP OVER THE MOUNTAINS AND FOOTHILLS THIS AFTERNOON AND THEN MOVE INTO THE FRONT RANGE AFTER 3 PM. THE MAIN THREAT FROM MOST OF THE THUNDERSTORMS WILL BE BRIEF HEAVY RAIN...SMALL HAIL AND GUSTY WINDS TO 50 MPH. HOWEVER A FEW ISOLATED SEVERE THUNDERSTORMS ARE POSSIBLE ALONG THE FRONT RANGE WITH THE MAIN THREAT BEING STRONG MICROBURST WIND GUSTS TO 60 MPH. SPOTTER ACTIVATION IS NOT ANTICIPATED ACROSS NORTHEAST COLORADO THIS AFTERNOON OR EVENING. KLEYLA
Special weather statement, Jul 21, 2:11 PM MDT, 1 hour 23 minutes before
COZ042-048-212045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 212 PM MDT FRI JUL 21 1995 AT 208 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A THUNDERSTORM CAPABLE OF PRODUCING BRIEF HEAVY RAIN...SMALL HAIL AND GUSTY WINDS TO 50 MPH...9 MILES WEST OF WESTPLAINS...OR ABOUT 29 MILES NORTHWEST OF STERLING. THIS STORM WAS MOVING EAST AT 20 MPH AND WILL PASS NEAR BUCHANAN BY 230 PM. IF THREATENING WEATHER APPROACHES Y$OUR AREA TAKE SHELTER. KLEYLA
Special weather statement, Jul 21, 2:12 PM MDT, 1 hour 22 minutes before
COZ042-048-212045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 212 PM MDT FRI JUL 21 1995 AT 208 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A THUNDERSTORM CAPABLE OF PRODUCING BRIEF HEAVY RAIN...SMALL HAIL AND GUSTY WINDS TO 50 MPH...9 MILES WEST OF WESTPLAINS...OR ABOUT 29 MILES NORTHWEST OF STERLING. THIS STORM WAS MOVING EAST AT 20 MPH AND WILL PASS NEAR BUCHANAN BY 230 PM. IF THREATENING WEATHER APPROACHES YOUR AREA TAKE SHELTER. KLEYLA
Special weather statement, Jul 21, 2:40 PM MDT, 54 minutes before
COZ036-038>043-048-212130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 240 PM MDT FRI JUL 21 1995 AT 235 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED TWO LINES OF SCATTERED THUNDERSTORMS CONTINUING TO DEVELOP OVER NORTHEAST COLORADO. THE FIRST LINE EXTENDED FROM NORTHERN LARIMER COUNTY FROM NORTH OF FORT COLLINS TO NORTH OF STERLING IN LOGAN COUNTY. A SECOND LINE OF THUNDERSTORMS WAS LOCATED ACROSS PORTIONS OF THE DENVER METROPLEX FROM NEAR BRIGHTON TO AURORA TO LAKEWOOD. THE STRONGEST STORMS CAPABLE OF PRODUCING BRIEF HEAVY RAIN...SMALL HAIL AND WIND GUSTS TO 50 MPH WERE LOCATED 25 MILES NORTHWEST OF STERLING NEAR WESTPLAINS...15 MILES NORTH OF DENVER NEAR BRIGHTON AND 25 MILES NORTHWEST OF FORT COLLINS NEAR VIRGINIA DALE. THE THUNDERSTORMS WERE MOVING EAST AT 20 MPH. PERSONS IN THE PATH OF THESE STORMS SHOULD BE AWARE OF RAPIDLY CHANCGING WEATHER CONDITIONS AND BE PREPARED TO MOVE TO A SAFE PLACE OF SHELTER IF THREATENING WEATHER APPROACHES. KLEYLA
Nearby
Severe Thunderstorm Warnings in Colorado, 1995Every severe thunderstorm warning in 1995
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.