Alert archive / Colorado / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 41, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this severe thunderstorm warning at Jun 15, 1992, 1:17 AM MDT for Logan County, Phillips County, Sedgwick County, Colorado. It was in force for 43 min. 2 reports 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 15, 1992, 1:17 AM MDT (07:17 UTC)
- Expired
- Jun 15, 1992, 2:00 AM MDT
- In force
- 43 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Whole counties
Counties Logan County, CO, Phillips County, CO, Sedgwick County, CO
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 15, 1:30 AM MDT | Hail 3 | Sedgwick, CO | |
| Jun 15, 1:40 AM MDT | Thunderstorm Wind 0 | Logan, 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
Denver, CO (KDEN), launched 00:00Z, 7.3 hours before the alert went out and 109 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
- 3075 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 130 m²/s²
- 0-3 km storm-relative helicity
- 168 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 150723
SVRDEN
COC075-095-115-150800-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DENVER CO
117 AM MDT MON JUN 15 1992
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A SEVERE
THUNDERSTORM WARNING EFFECTIVE UNTIL 200 AM MDT FOR PEOPLE IN
THE FOLLOWING COUNTIES
IN NORTHEASTERN COLORADO
LOGAN...NORTHERN PHILLIPS AND SEDGWICK
INCLUDING THE FOLLOWING LOCATIONS
AMHERST...ATWOOD...CROOK...FAIRFIELD...FLEMING...HAXTUN...
ILIFF...JULESBURG...MARKS BUTTE...MERINO...OVID...PAOLI...
PROCTOR...SEDGWICK...SIXTEEN-MILE CORNER...ST PETERS...
STERLING AND TWIN BUTTES
AT 117 AM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SEVERE THUNDERSTORMS 5 MILES NORTH OF FLEMING...OR ABOUT 20
MILES EAST OF STERLING...AND 7 MILES SOUTHWEST OF JULESBURG
...OR ABOUT 35 MILES NORTHEAST OF STERLING.
THE PUBLIC REPORTED GOLF BALL SIZE HAIL IN THE TOWN OF SEDGWICK
AT 110 AM MDT.
THE STORMS WERE MOVING EAST AT 35 MPH AND WILL LIKELY PRODUCE
LOCALIZED FLOODING AS WELL AS LARGE HAIL AND DAMAGING WINDS.
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
FOR^ECAST OFFICE IN DENVER.
DULONG
LAT...LON 4067 10209 4043 10341 4101 10294 4100 10206What 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 14, 7:27 PM MDT, 5 hours 50 minutes before
COZ011-150200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 725 PM MDT SUN JUN 14 1992 ...STRONG THUNDERSTORMS OVER NORTHERN LARIMER COUNTY... AT 722 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN AREA OF STRONG THUNDERSTORMS OVER NORTHERN LARIMER COUNTY. THE STRONGEST THUNDERSTORMS WERE LOCATED BETWEEN RUSTIC AND LIVERMORE...ABOUT 20 MILES NORTHWEST OF FORT COLLINGS. THESE STORMS WERE MOVING EAST NORTHEAST ABOUT 25 MILES AN HOUR. A TORNADO WATCH IS IN EFFECT FOR THE FRONT RANGE UNTIL 900 PM MDT. HAIL...HEAVY RAIN AND TORNADOES ARE POSSIBLE WITH THIS STORM...AS WELL AS OTHER STORMS DEVELOPING THIS EVENING. LISTEN CLOSELY FOR LATER STATEMENTS OR WARNI NGS. WOLF
Special weather statement, Jun 14, 7:33 PM MDT, 5 hours 44 minutes before
COZ011-150230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 732 PM MDT SUN JUN 14 1992 ...STRONG THUNDERSTORMS CONTINUE OVER NORTHERN METRO AREA... ...WARNING EXPIRED AT 730 PM... THUNDERSTORMS HAVE WEAKENED SLIGHTLY OVER THE NORTHERN METRO AREA AS OF 732 PM. THE STRONGEST PART OF THE STORM WAS IN EXTREME SOUTHWEST WELD COUNTY AT 732...NEAR ERIE AND DACONA. SPOTTERS WERE REPORTING VERY HEAVY RAIN AND SMALL HAIL AT I-25 AND HIGHWAY 7 AT 729 PM...THIS IS ABOUT 5 MILES NORTH OF NORTHGLENN. THIS STORM WAS MOVING TO THE NORTHEAST AT 15 MPH. A TORNADO WATCH REMAINS IN EFFECT FOR THE FRONT RANGE UNTIL 900 PM MDT. HAIL...HEAVY RAIN AND TORNADOES ARE POSSIBLE WITH THIS ST*ORM...AS WELL AS OTHER STORMS DEVELOPING THIS EVENING. LISTEN CLOSELY FOR LATER STATEMENTS OR WARNINGS. MCQUEEN
Special weather statement, Jun 14, 8:03 PM MDT, 5 hours 14 minutes before
COZ011-150300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 802 PM MDT SUN JUN 14 1992 ...INTENSE THUNDERSTORMS MOVE INTO SOUTHERN WELD COUNTY... THE EARLIER SEVERE THUNDERSTORMS IN THE NORTHERN DENVER METRO AREA WERE IN SOUTHERN WELD COUNTY AT 802 PM...MAINLY BETWEEN PLATTEVILLE AND ROGGEN. THE MOST INTENSE PART WAS NEAR MILTON RESERVOIR...ABOUT 12 MILES SOUTH OF GREELEY. THESE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT] 20 MPH. A TORNADO WATCH REMAINS IN EFFECT FOR THE FRONT RANGE AND NORTHEAST PLAINS UNTIL 900 PM MDT. HAIL...HEAVY RAIN AND TORNADOES ARE POSSIBLE WITH THESE STORMS THIS EVENING. MCQUEEN
Special weather statement, Jun 14, 10:31 PM MDT, 2 hours 46 minutes before
COZ011-012-150500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 1030 PM MDT SUN JUN 14 1992 ...WARNING IN WEST CENTRAL WELD COUNTY EXPIRED AT 1030 PM... THE STORM THAT WAS EARLIER OVER LARIMER COUNTY SOUTH AND EAST OF FT COLLINS...AND MOVED INTO WEST CENTRAL WELD COUNTY NORTH OF AULT HAD WEAKENED CONSIDERABLY SINCE 1015 PM. THE WARNING HAS EXPIRED AS OF 1030 PM. A TORNADO WATCH IS STILL IN EFFECT JUST EAST OF THE AREA TIL 4 AM MDT. MCQUEEN
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 14, 6:26 PM MDT | Tornado Warning | BOU | Weld | 34 min |
| Jun 14, 6:59 PM MDT | Tornado Warning | BOU | Weld | 31 min |
| Jun 14, 7:00 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Jefferson | 30 min |
| Jun 14, 7:00 PM MDT | Severe Thunderstorm Warning | BOU | Boulder | 30 min |
| Jun 14, 7:30 PM MDT | Severe Thunderstorm Warning | BOU | Morgan, Weld | 30 min |
| Jun 14, 7:44 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 46 min |
| Jun 14, 8:22 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 38 min |
| Jun 14, 8:33 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Morgan, Weld | 27 min |
| Jun 14, 9:02 PM MDT | Severe Thunderstorm Warning | BOU | Logan | 28 min |
| Jun 14, 9:03 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 42 min |
| Jun 14, 9:09 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 36 min |
| Jun 14, 9:44 PM MDT | Severe Thunderstorm Warning | BOU | Larimer, Weld | 46 min |
| Jun 14, 9:46 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 29 min |
| Jun 14, 10:15 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Weld | 45 min |
| Jun 14, 10:58 PM MDT | Severe Thunderstorm Warning | BOU | Logan | 47 min |
| Jun 14, 10:58 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 27 min |
| Jun 14, 11:45 PM MDT | Severe Thunderstorm Warning | BOU | Logan | 30 min |
| Jun 15, 12:23 AM MDT | Severe Thunderstorm Warning | BOU | Logan, Phillips, Sedgwick | 52 min |
| Jun 15, 12:23 AM MDT | Severe Thunderstorm Warning | BOU | Morgan, Washington, Yuma | 52 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.