Alert archive / Colorado / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 50, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this severe thunderstorm warning at Jun 20, 1992, 10:24 PM MDT for Boulder County, Weld County, Colorado. It was in force for 21 min.
The area
The counties it named.
The facts
- Issued
- Jun 20, 1992, 10:24 PM MDT (04:24 UTC)
- Expired
- Jun 20, 1992, 10:45 PM MDT
- In force
- 21 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Whole counties
Counties Boulder County, CO, Weld County, CO
The nearest sounding before it
Denver, CO (KDEN), launched 00:00Z, 4.4 hours before the alert went out and 149 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
- 1461 J/kg
- Mixed-layer CIN
- -18 J/kg
- Mixed-layer LCL
- 1459 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 1 m²/s²
- 0-3 km storm-relative helicity
- -117 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
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 20, 4:56 PM MDT, 5 hours 28 minutes before
COZ011-012-202300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 455 PM MDT SAT JUN 20 1992 ...STRONG THUNDERSTORMS DEVELOPING IN WELD COUNTY... AT 450PM THUNDERSTORMS WERE DEVELOPING IN WELD COUNTY. ONE THUNDERSTORM WAS NEAR GILCREST...10 MILES SOUTHWEST OF GREELEY. ANOTHER THUNDERSTORM WAS NEAR KERSEY...10 MILES EAST OF GREELEY. THESE THUNDERSTORMS ARE DEVELOPING RAPIDLY AND HAVE THE POTENTIAL TO REACH SEVERE LEVELS OR EVEN PRODUCE A TORNADO. STAY TUNED TO LOCAL NEWS STATIONS AND NOAA WEATHER RADIO IN CASE WARNINGS ARE NEEDED. BE PREPARED TO MOVE INDOORS IF THREATENING WEATHER IS IN YOUR AREA. STAY TUNED TO LOCAL NEWS STATIONS AND TO NOAA WEATHER RADIO FOR UPDAT ES ON THE LATEST WEATHER. A TORNADO WATCH IS CONTINUING FOR A LARGE PART OF EASTERN COLORADO UNTIL 8PM. HOLZINGER
Special weather statement, Jun 20, 5:01 PM MDT, 5 hours 23 minutes before
COZ011-012-202330- SPECIAL WEATHER STATEMENT...CORRECTION TO EXPIRATION TIME NATIONAL WEATHER SERVICE DENVER CO 455 PM MDT SAT JUN 20 1992 ...STRONG THUNDERSTORMS DEVELOPING IN WELD COUNTY... AT 450PM THUNDERSTORMS WERE DEVELOPING IN WELD COUNTY. ONE THUNDERSTORM WAS NEAR GILCREST...10 MILES SOUTHWEST OF GREELEY. ANOTHER THUNDERSTORM WAS NEAR KERSEY...10 MILES EAST OF GREELEY. THESE THUNDERSTORMS ARE DEVELOPING RAPIDLY AND HAVE THE POTENTIAL TO REACH SEVERE LEVELS OR EVEN PRODUCE A TORNADO. STAY TUNED TO LOCAL NEWS STATIONS AND NOAA WEATHER RADIO IN CASE WARNINGS ARE NEEDED. BE PREPARED TO MOVE INDOORS IF THREATENING WEATHER IS IN YOUR AREA. STAY TUNED TO LOCAL NEWS STATIONSD AND TO NOAA WEATHER RADIO FOR UPDATES ON THE LATEST WEATHER. A TORNADO WATCH IS CONTINUING FOR A LARGE PART OF EASTERN COLORADO UNTIL 8PM. HOLZINGER
Special weather statement, Jun 20, 9:19 PM MDT, 1 hour 5 minutes before
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</html>Special weather statement, Jun 20, 9:59 PM MDT, 25 minutes before
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</head>
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<main class="wrap">
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<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
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</html>The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 6:03 PM MDT | Tornado Warning | BOU | Adams, Weld | 27 min |
| Jun 20, 6:30 PM MDT | Tornado Warning | BOU | Adams | 15 min |
| Jun 20, 6:42 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 63 min |
| Jun 20, 7:47 PM MDT | Tornado Warning | BOU | Washington | 43 min |
| Jun 20, 7:57 PM MDT | Tornado Warning | BOU | Washington | 33 min |
| Jun 21, 4:02 PM MDT | Severe Thunderstorm Warning | BOU | Boulder, Larimer | 43 min |
| Jun 21, 4:51 PM MDT | Tornado Warning | BOU | Adams, Arapahoe | 39 min |
| Jun 21, 5:58 PM MDT | Severe Thunderstorm Warning | BOU | Phillips, Yuma | 32 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.