Alert archive / Colorado / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 64, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this severe thunderstorm warning at Jun 25, 1992, 1:44 PM MDT for Douglas County, Colorado. It was in force for 31 min.
The area
The counties it named.
The facts
- Issued
- Jun 25, 1992, 1:44 PM MDT (19:44 UTC)
- Expired
- Jun 25, 1992, 2:15 PM MDT
- In force
- 31 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Whole counties
County Douglas County, CO
The nearest sounding before it
Fort Carson/Butt, CO (KFCS), launched 12:00Z, 7.7 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
- 12 J/kg
- Mixed-layer CIN
- -158 J/kg
- Mixed-layer LCL
- 1299 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- -20 m²/s²
- 0-3 km storm-relative helicity
- 37 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 251946
SVRDEN
COC035-252015-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DENVER CO
144 PM MDT THU JUN 25 1992
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A SEVERE
THUNDERSTORM WARNING EFFECTIVE UNTIL 215 PM MDT FOR PEOPLE IN
THE FOLLOWING COUNTIES
IN NORTHEASTERN COLORADO
NORTHEASTERN DOUGLAS
INCLUDING THE FOLLOWING LOCATIONS
THE PINERY
AT 144 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A SEVERE THUNDERSTORM OVER THE PINERY ...OR ABOUT 22 MILES
SOUTHEAST OF DENVER.
THE STORM WAS MOVING EAST AT 15 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.
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.
SEVERE THUNDERSTORMS CAN 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.
TO REPORT SEVERE WEATHER HAVE THE NEAREST LAW ENFORCEMENT
AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
FORECAST OFFICE IN DENVER.
LAT...LON 3937 10467 3939 10480 3949 10481 3953 10468
LESZCYNSKIWhat 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 25, 11:41 AM MDT, 2 hours 3 minutes before
COZ002-004-011-012-013-260000- SIGNIFICANT WEATHER OUTLOOK FOR NORTHEAST COLORADO NATIONAL WEATHER SERVICE DENVER CO 1140 AM MDT THU JUN 25 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 A MOIST AND UNSTABLE AIRMASS IS NOW IN PLACE OVER NORTHEAST COLORADO. A VERY WEAK COLD FRONT HAD PUSHED INTO THE NORTHEAST OVERNIGHT...AND IS NOW LOCATED ALONG THE FOOTHILLS. ANOTHER COLD FRONT WILL MOVE ACROSS THE NORTHEAST LATER THIS AFTERNOON...WHICH WILL BE FOCUS FOR SIGNIFICANT THUNDERSTORM ACTIVITY. SCATTERED THUNDERSTORMS WILL CONTINUE TO DEVELOP OVER THE MOUNTAINS...MOVING ONTO THE PLAINS BY 3PM. THE MAIN THREATS WITH THE STORMS WILL BE HEAVY RAIN AND FREQUENT LIGHTNING...BUT HAIL AND GUSTY WINDS ARE ALSO POSSIBLE. WITH THE GROUND ALREADY SATURATED OVER LARIMER AND WELD COUNTIES...THE ADDITION OF HEAVY RAIN COULD CAUSE FLOODING PROBLEMS. SO...A FLASH FLOOD WATCH IS IN EFFECT FOR LARIMER AND WESTERN WELD COUNTIES UNTIL 8 PM TONIGHT. SPOTTER ACTIVATION WILL BE REQUIRED IN LARIMER AND WELD COUNTIES TODAY. ACTIVATION ELSEWHERE MAY BE NEEDED...AND SPOTTERS SHOULD CONSIDER BEING ON A STAND-BY BASIS. LESZCYNSKI
Special weather statement, Jun 25, 1:08 PM MDT, 36 minutes before
COZ011-252000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 105 PM MDT THU 25 1992 ...THUNDERSTORMS MOVING ACROSS THE FRONT RANGE... AT 1250 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED SCATTERED THUNDERSTORMS MOVING EASTWARD OVER THE FRONT RANGE. THE STRONGEST STORMS WERE LOCATED OVER SOUTHERN JEFFERSON AND SOUTHWESTERN DOUGLAS COUNTIES...NEAR THE TOWN OF DECKERS...OR 35 MILES SOUTH SOUTHWEST OF DENVER. OTHER THUNDERSTORMS WERE OVER SOUTHERN LARIMER COUNTY...NEAR PINEWOOD SPRINGS WHICH IS ABOUT 30 MILES SOUTHWEST OF FORT COLLINS. THE THUNDERSTORMS WERE MOVING EAST AT 15 MPH AND ARE CAPABLE OF PRODUCING HEAVY RAIN...GUSTY WINDS AND FREQUENT LIGHTNING. SMALL HAIL IS ALSO POSSIBLE. PERSONS ALONG THE FRONT RANGE...ESPECIALLY OVER SOUTHERN LARIMER... SOUTHERN JEFFERSON AND SOUTHERN DOUGLAS COUNTIES SHOULD BE ALERT FOR THREATENING WEATHER...AND TAKE SHELTER IF THUNDERSTORMS APPROACH. A FLASH FLOOD WATCH REMAINS IN EFFECT FOR LARIMER AND WESTERN WELD COUNTIES UNTIL 8PM TONIGHT. LESZCYNSKI
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 24, 6:12 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe | 48 min |
| Jun 24, 7:32 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln, Washington | 28 min |
| Jun 24, 7:32 PM MDT | Severe Thunderstorm Warning | BOU | Kit Carson | 28 min |
| Jun 25, 1:13 PM MDT | Severe Thunderstorm Warning | BOU | Douglas | 47 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; the sounding from the Mesonet's radiosonde archive.