Alert archive / Colorado / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 69, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this severe thunderstorm warning at Jun 12, 1996, 5:30 PM MDT for 4 counties in Colorado. It was in force for 45 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 12, 1996, 5:30 PM MDT (23:30 UTC)
- Expired
- Jun 12, 1996, 6:15 PM MDT
- In force
- 45 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Whole counties
Counties Arapahoe County, CO, Elbert County, CO, Lincoln County, CO, Washington County, CO
The radar
The Denver radar (KFTG), 73 km from the middle of the area, began a volume at 23:32 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, 11.5 hours before the alert went out and 66 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
- 2 J/kg
- Mixed-layer CIN
- -280 J/kg
- Mixed-layer LCL
- 1873 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 99 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 122332
SVRDEN
COC039-073-005-121-130015-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DENVER CO
530 PM MDT WED JUN 12 1996
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A SEVERE
THUNDERSTORM WARNING EFFECTIVE UNTIL 615 PM MDT FOR PEOPLE IN
THE FOLLOWING COUNTIES
IN EAST CENTRAL COLORADO
EASTERN ELBERT AND NORTHERN LINCOLN
IN NORTHEASTERN COLORADO
EASTERN ARAPAHOE AND SOUTHWESTERN WASHINGTON
INCLUDING THE FOLLOWING LOCATIONS
AGATE...JOLLY RANCH AND LIMON
AT 529 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A SEVERE THUNDERSTORM 2 MILES SOUTHEAST OF AGATE...OR ABOUT 17
MILES NORTHWEST OF LIMON.
THE STORM WAS MOVING TOWARD THE EAST 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.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR A LARGE PART OFP
EASTERN COLORADO UNTIL 9PM.
HOLZINGER
LAT...LON 3932 10336 3918 10401 3944 10408 3972 10392
3968 10347What 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 12, 11:32 AM MDT, 5 hours 58 minutes before
COZ030-032>050-130600- SIGNIFICANT WEATHER OUTLOOK FOR NORTHEAST AND NORTH CENTRAL COLORADO NATIONAL WEATHER SERVICE DENVER CO 1130 AM MDT WED JUN 12 1996 THIS OUTLOOK PERTAINS TO THE FOLLOWING COLORADO COUNTIES ADAMS ARAPAHOE BOULDER CLEAR CREEK DENVER DOUGLAS ELBERT GILPIN GRAND JACKSON JEFFERSON LARIMER LINCOLN LOGAN MORGAN PARK PHILLIPS SEDGWICK SUMMIT WASHINGTON WELD SYNOPSIS: SURFACE MOISTURE CONTINUES TO INCREASE ACROSS THE NORTHEAST COLORADO TODAY AS WINDS SHIFT TO THE NORTHEAST. IN ADDITION...A WEAK WEATHER DISTURBACE IS EXPECTED TO MOVE ACROSS THE AREA AFTER 1PM. AS A RESULT THUNDERSTORMS ARE AGAIN A POSSIBILITY THIS AFTERNOON. THE STORMS WILL DEVELOP OVER THE MOUNTAINS AND ALONG THE FOOTHILLS BY 1PM AND DRIFT SLOWLY ONTO THE PLAINS DURING THE AFTERNOON. SOME OF THE STORMS COULD BECOME SEVERE IN THE NORTHEAST...WITH LARGE HAIL AND WIND GUSTS TO 60 MPH THE MAIN THREAT. DUE TO THE SLOW MOVEMENT OF THE STORMS...SOME AREAS COULD RECEIVE HEAVY RAIN WHICH COULD CAUSE LOCAL FLOODING PROBLEMS. SPOTTER ACTIVITATION MAY BE REQUIRED AFTER 2PM TODAY. LESZCYNSKI
Special weather statement, Jun 12, 2:56 PM MDT, 2 hours 34 minutes before
COC059-122200- SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 255 PM MDT TUE JUN 11 1996 ...HEAVY RAIN IN SOUTHERN JEFFERSON COUNTY... SEVERAL SLOW MOVING THUNDERSTORMS ARE DROPPING SMALL HAIL AND HEAVY RAIN IN SOUTHERN JEFFERSON COUNTY. RESIDENTS OF OF SOUTHERN JEFFERSON COUNTY SHOULD BE PREPARED FOR HEAVY RAIN PRODUCING LOCAL FLOODING ALONG THE SOUTH PLATTE RIVER. A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR JEFFERSON COUNT8Y AND MUCH OF NORTHEAST COLORADO UNTIL 9PM. RTG
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 11, 6:00 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 45 min |
| Jun 12, 2:05 PM MDT | Severe Thunderstorm Warning | BOU | Jefferson | 25 min |
| Jun 12, 4:45 PM MDT | Severe Thunderstorm Warning | BOU | Elbert | 45 min |
Nearby
Severe Thunderstorm Warnings in Colorado, 1996Every severe thunderstorm warning in 1996
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.