Alert archive / Colorado / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 71, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this severe thunderstorm warning at Jun 29, 1992, 2:56 PM MDT for Douglas County, Colorado. It was in force for 19 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jun 29, 1992, 2:56 PM MDT (20:56 UTC)
- Expired
- Jun 29, 1992, 3:15 PM MDT
- In force
- 19 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Whole counties
County Douglas County, CO
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 29, 3:25 PM MDT | Hail 0.75 | Douglas, CO |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Fort Carson/Butt, CO (KFCS), launched 12:00Z, 8.9 hours before the alert went out and 75 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
- 28 J/kg
- Mixed-layer CIN
- -260 J/kg
- Mixed-layer LCL
- 1527 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 21 m²/s²
- 0-3 km storm-relative helicity
- 66 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 292100
SVRDEN
COC035-292115-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DENVER CO
256 PM MDT MON JUN 29 1992
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A SEVERE
THUNDERSTORM WARNING EFFECTIVE UNTIL 315 PM MDT FOR PEOPLE IN
THE FOLLOWING COUNTIES
IN NORTHEASTERN COLORADO
CENTRAL DOUGLAS
AT 256 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A SEVERE THUNDERSTORM 30 MILES SOUTH OF DENVER.
THE DOUGLAS COUNTY OFFICE OF EMERGENCY PREPAREDNESS RELAYED A REPORT OF
A SHORT-LIVED FUNNEL CLOUD OVER DAWSON BUTTES...TO THE SOUTHWEST OF
CASTLE ROCK OR ABOUT 28 MILES SOUTH-SOUTHWEST OF DENVER.
THE STORM WAS MOVING EAST AT 15 MILES AN 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 PRODUCE TORNADOES WITH LITTLE OR NO ADVANCED
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.
TO REPORT SEVERE WEAT)HER HAVE THE NEAREST LAW ENFORCEMENT
AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
FORECAST OFFICE IN DENVER.
LAT...LON 3923 10477 3925 10494 3935 10496 3934 10480
RUFFWhat 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 29, 11:27 AM MDT, 3 hours 29 minutes before
COZ002-004-011-012-013-300000- SIGNIFICANT WEATHER OUTLOOK FOR NORTHEAST COLORADO NATIONAL WEATHER SERVICE DENVER CO 1127 AM MDT MON JUN 29 1992 THIS OUTLOOK PERTAINS TO THE FOLLOWING COLORADO COUNTIES ADAMS DENVER JACKSON LOGAN SEDGWICK YUMA ARAPAHOE DOUGLAS JEFFERSON MORGAN SUMMIT BOULDER GILPIN LARIMER PARK WASHINGTON CLEAR CREEK GRAND LAKE PHILLIPS WELD SCATTERED HUNDERSTORMS WILL DEVELOP OVER THE LARIMER COUNTY MOUNTAINS AND MOVE OUT ONTO THE WELD COUNTY PLAINS EARLY THIS AFTERNOON. THE STORM TRACK WILL LIKELY BE MUCH THE SAME AS IT WAS SUNDAY WITH STORMS MOVING INTO CENTRAL AND SOUTHERN WELD AND CENTRAL AND EASTERN ADAMS COUNTIES BY MID-AFTERNOON. AREAS EAST OF A STERLING-AKRON LINE ARE MORE STABLE AND WILL NOT SEE ISOLATED STORMS UNTIL LATE AFTERNOON OR EARLY EVENING. SEVERE STORMS ARE NOT EXPECTED...HOWEVER GUSTY WINDS ARE LIKELY WITH STORMS THIS AFTERNOON. STORM MOTION WILL BE SOUTHEAST AT 5 TO 15 MILES AN HOUR. SPOTTER ACTIVATION IS NOT EXPECTED TODAY. RUFF
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 29, 3:15 PM MDT | Severe Thunderstorm Warning | BOU | Douglas | 30 min |
| Jun 29, 4:15 PM MDT | Severe Thunderstorm Warning | BOU | Douglas | 60 min |
Nearby
Severe Thunderstorm Warnings in Colorado, 1992Every severe thunderstorm warning in 1992
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.