Alert archive / Colorado / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 1, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this severe thunderstorm warning at Jun 4, 1992, 8:00 PM MDT for Logan County, Weld County, Colorado. It was in force for 30 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 4, 1992, 8:00 PM MDT (02:00 UTC)
- Expired
- Jun 4, 1992, 8:30 PM MDT
- In force
- 30 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Whole counties
Counties Logan County, CO, Weld County, CO
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 4, 8:07 PM MDT | Hail 1.75 | Weld, 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, 2.0 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
- 227 J/kg
- Mixed-layer CIN
- -30 J/kg
- Mixed-layer LCL
- 2536 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 83 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What 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 4, 5:11 PM MDT, 2 hours 49 minutes before
COZ011-012-050000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 512 PM MDT THU JUN 4 1992 AT 509 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM IN SOUTH-CENTRAL ADAMS COUNTY ABOUT 15 MILES EAST NORTHEAST OF BENNETT. THIS STORM WILL PRODUCE LOCALLY HEAVY RAIN...SMALL HAIL AND GUSTY WINDS AS IT MOVES EAST AT 25 MILES AN HOUR INTO EASTERN ADAMS COUNTY. IF YOU LIVE IN EASTERN ADAMS COUNTY AND ARE IN T HE PATH OF THIS STORM... MOVE TO A PLACE OF SAFETY IN THREATENING WEATHER APPROACHES. WOLF
Special weather statement, Jun 4, 7:19 PM MDT, 41 minutes before
COZ012-050230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 720 PM MDT THU JUN 4 1992 ...STRONG THUNDERSTORMS OVER WELD AND LOGAN COUNTY... AT 720 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS OVER NORTHEAST WELD COUNTY AND NORTHWEST LOGAN COUNTY. THE STRONGEST STORM WAS LOCATED 5 MILES EAST OF GROVER... 40 MILES NORTHEAST OF GREELEY...AND WAS MOVING SOUTHEAST AT 25 MILES AN HOUR. THESE STORMS WILL PRODUCE LOCALLY HEAVY RAIN...SMALL HAIL AND GUSTY WINDS AS THEY MOVE THROUGH STERLING ABOUT 8 PM. IF YOU LIVE IN NORTHEAST WELD OR NORTHWEST LOGAN COUNTIES...AND ARE IN THE PATH OF THIS STORM...MOVE TO A PLACE OF SAFETY IF THREATENING WEATHER APPROACHES. CUOCO
Special weather statement, Jun 4, 7:53 PM MDT, 7 minutes before
COZ013-050230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 755 PM MDT THU JUN 4 1992 ...STRONG THUNDERSTORM MOVING TOWARD THE NORTHEAST CORNER OF COLORADO... AT 750 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED A VERY STRONG THUNDERSTORM IN THE NEBRASKA PANHANDLE MOVING TOWARDS THE NORTHEAST CORNER OF COLORADO. THE STORM WAS LOCATED IN CHEYENNE COUNTY...NEBRASKA AND MOVING SOUTHEAST AT 20 MPH. EARLIER THIS EVENING THIS STORM PRODUCED GOLF BALL SIZED HAIL. THE STORM SHOULD MOVE INTO NORTHEAST LOGAN COUNTY AND WESTERN SEDGWICK COUNTY IN THE NEXT HALF HOUR. THIS STORM COULD PRODUCE LOCALLY HEAVY RAIN...HAIL AND GUSTY WINDS AS IT MOVES THROUGH SEDGWICK COUNTY. IF YOU LIVE IN NORTHEAST LOGAN OR WESTERN SEDGWICK COUNTIES...AND ARE IN THE PATH OF THIS STORM...MOVE TO A PLACE OF SAFETY IF THREATENING WEATHER APPROACHES. DANKERS
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 4, 8:43 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Phillips, Sedgwick | 32 min |
| Jun 4, 9:38 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 37 min |
| Jun 5, 12:46 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Denver, Jefferson | 14 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.