Alert archive / Colorado / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 46, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this severe thunderstorm warning at Jun 6, 1995, 9:13 PM MDT for Logan County, Colorado. It was in force for 47 min.
The area
The counties it named.
The facts
- Issued
- Jun 6, 1995, 9:13 PM MDT (03:13 UTC)
- Expired
- Jun 6, 1995, 10:00 PM MDT
- In force
- 47 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Whole counties
County Logan County, CO
The radar
The Cheyenne radar (KCYS), 150 km from the middle of the area, began a volume at 03:16 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, 3.2 hours before the alert went out and 96 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
- 565 J/kg
- Mixed-layer CIN
- -109 J/kg
- Mixed-layer LCL
- 2574 m above ground
- 0-6 km bulk shear
- 72 kt
- 0-1 km storm-relative helicity
- 100 m²/s²
- 0-3 km storm-relative helicity
- 183 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KDEN 070312 RRA
SVRDEN
COC075-070400-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DENVER CO
913 PM MDT TUE JUN 06 1995
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A SEVERE
THUNDERSTORM WARNING EFFECTIVE UNTIL 1000 PM MDT FOR PEOPLE IN
THE FOLLOWING COUNTIES
IN NORTHEASTERN COLORADO
LOGAN
INCLUDING THE FOLLOWING LOCATIONS
ATWOOD...CROOK...FLEMING...ILIFF...LOGAN CORNERS...NORTH
STERLING RESERVOIR...PADRONI...PROCTOR...ST PETERS...
STERLING AND TWIN BUTTES
AT 910 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A SEVERE THUNDERSTORM OVER ATWOOD ...OR ABOUT 6 MILES SOUTHWEST
OF STERLING.
THE STORM WAS MOVING NORTHEAST AT 20 MPH.
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.
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 4050 10279 4047 10338 4092 10327 4093 10272What 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 6, 4:45 PM MDT, 4 hours 28 minutes before
COZ033>036-038>046-048>050-090>091-062345- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 445 PM MDT TUE JUN 06 1995 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 10 PM FOR PORTIONS OF NORTHEAST COLORADO... AT 435 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SCATTERED THUNDERSTORMS ALONG THE FRONT RANGE FROM WEST OF DENVER TO WEST OF GREELEY. THE STRONGEST THUNDERSTORMS CAPABLE OF PRODUCING VERY HEAVY RAIN...HAIL...STRONG WINDS AND DANGEROUS LIGHTNING WERE LOCATED NEAR LOVELAND AND JUST SOUTHWEST OF FORT COLLINS AND NEAR GREELEY. THE THUNDERSTORMS WERE MOVING NORTH TO NORTHEAST AT 30 MPH. CONDITIONS ACROSS NORTHEAST COLORADO ARE FAVORABLE FOR THE DEVELOPMENT OF THUNDERSTORMS THIS EVENING WITH SOME STORMS POSSIBLY BECOMING SEVERE. PEOPLE ACROSS NORTHEAST COLORADO SHOULD BE AWARE OF RAPIDLY CHANGING WEATHER CONDITIONS AND BE PREPARED TO TAKE SHELTER IF THREATENING WEATHER APPROACHES. KLEYLA
Special weather statement, Jun 6, 4:46 PM MDT, 4 hours 27 minutes before
COZ033>036-038>046-048>050-090>091-062345- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 445 PM MDT TUE JUN 06 1995 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 10 PM FOR PORTIONS OF NORTHEAST COLORADO... AT 435 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SCATTERED THUNDERSTORMS ALONG THE FRONT RANGE FROM WEST OF DENVER TO WEST OF GREELEY. THE STRONGEST THUNDERSTORMS CAPABLE OF PRODUCING VERY HEAVY RAIN...HAIL...STRONG WINDS AND DANGEROUS LIGHTNING WERE LOCATED NEAR LOVELAND AND JUST SOUTHWEST OF FORT COLLINS AND NEAR GREELEY. THE THUNDERSTORMS WERE MOVING NORTH TO NORTHEAST AT 30 MPH. CONDITIONS ACROSS NORTHEAST COLORADO ARE FAVORABLE FOR THE DEVELOPMENT OF THUNDERSTORMS THIS EVENING WITH SOME STORMS POSSIBLY BECOMING SEVERE. PEOPLE ACROSS NORTHEAST COLORADO SHOULD BE AWARE OF RAPIDLY CHANGING WEATHER CONDITIONS AND BE PREPARED TO TAKE SHELTER IF THREATENING 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 6, 6:27 PM MDT | Tornado Warning | BOU | Logan, Phillips, Sedgwick | 48 min |
| Jun 6, 6:32 PM MDT | Severe Thunderstorm Warning | BOU | Larimer, Weld | 28 min |
| Jun 6, 6:47 PM MDT | Tornado Warning | BOU | Morgan, Weld | 43 min |
| Jun 6, 7:28 PM MDT | Severe Thunderstorm Warning | BOU | Morgan, Weld | 47 min |
| Jun 6, 7:30 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Weld | 45 min |
| Jun 6, 8:23 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Morgan, Washington, Weld | 52 min |
| Jun 7, 2:30 AM MDT | Flash Flood Warning | BOU | Morgan | |
| Jun 7, 5:38 PM MDT | Severe Thunderstorm Warning | BOU | Boulder, Larimer, Weld | 52 min |
| Jun 7, 5:38 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Jefferson | 52 min |
| Jun 7, 5:52 PM MDT | Tornado Warning | BOU | Adams, Boulder, Weld | 38 min |
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.