Alert archive / Colorado / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 100, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this severe thunderstorm warning at Jul 23, 1992, 3:08 PM MDT for Arapahoe County, Elbert County, Washington County, Colorado. It was in force for 37 min.
The area
The counties it named.
The facts
- Issued
- Jul 23, 1992, 3:08 PM MDT (21:08 UTC)
- Expired
- Jul 23, 1992, 3:45 PM MDT
- In force
- 37 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Whole counties
Counties Arapahoe County, CO, Elbert County, CO, Washington County, CO
The nearest sounding before it
Denver, CO (KDEN), launched 12:00Z, 9.1 hours before the alert went out and 62 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
- 209 J/kg
- Mixed-layer CIN
- -279 J/kg
- Mixed-layer LCL
- 1415 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 57 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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, Jul 23, 11:50 AM MDT, 3 hours 18 minutes before
COZ002-004-011-012-013-240000- SIGNIFICANT WEATHER OUTLOOK FOR NORTHEAST COLORADO NATIONAL WEATHER SERVICE DENVER CO 1140 AM MDT THU JUL 23 1992 ...SCATTERED THUNDERSTORMS AGAIN THIS AFTERNOON AND EVENING...ISOLATED SEVERE STORMS POSSIBLE... 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 THE ATMOSPHERE HAS BECOME MORE MOIST TODAY DUE TO AIR FLOWING IN FROM THE PACIFIC AND GULF OF MEXICO REGIONS. THE AIR AT THE SURFACE HAS WARMED...BUT CONDITIONS ARE STILL RELATIVELY STABLE AND A LOT OF HEATING WILL BE REQUIRED TO GET STORMS GOING FROM THAT ALONE. THERE IS AN UPPER LEVEL DISTURBANCE OVER CENTRAL COLORADO WHICH SHOULD MOVE OFF THE FOOTHILLS AND OVER THE NORTHEAST PLAINS THIS AFTERNOON. THIS WILL BE THE TRIGGER NEED TO SPAWN SCATTERED SHOWERS AND THUNDERSTORMS. SOME OF THE STORMS SHOULD BE STRONG...PRODUCING HEAVY RAIN...GUSTY WINDS AND SMALL HAIL. THERE IS A REMOTE CHANCE THAT A FEW STORMS COULD BECOME SEVER8E...MAINLY OUT IN THE NORTHEAST PLAINS AND BORDER REGIONS LATE THIS AFTERNOON AND EARLY TONIGHT. DULONG
Special weather statement, Jul 23, 11:55 AM MDT, 3 hours 13 minutes before
COZ002-004-011-012-013-240000- SIGNIFICANT WEATHER OUTLOOK FOR NORTHEAST COLORADO CORRECTED NATIONAL WEATHER SERVICE DENVER CO 1155 AM MDT THU JUL 23 1992 ...SCATTERED THUNDERSTORMS AGAIN THIS AFTERNOON AND EVENING...ISOLATED SEVERE STORMS POSSIBLE... 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 THE ATMOSPHERE HAS BECOME MORE MOIST TODAY DUE TO AIR FLOWING IN FROM THE PACIFIC AND GULF OF MEXICO REGIONS. THE AIR AT THE SURFACE HAS WARMED...BUT CONDITIONS ARE STILL RELATIVELY STABLE AND A LOT OF HEATING WILL BE REQUIRED TO GET STORMS GOING FROM THAT ALONE. THERE IS AN UPPER LEVEL DISTURBANCE OVER CENTRAL COLORADO WHICH SHOULD MOVE OFF THE FOOTHILLS AND OVER THE NORTHEAST PLAINS THIS AFTERNOON. THIS WILL BE THE TRIGGER NEED TO SPAWN SCATTERED SHOWERS AND THUNDERSTORMS. SOME OF THE STORMS SHOULD BE STRONG...PRODUCING HEAVY RAIN...GUSTY WINDS AND SMALL HAIL. THERE IS A REMOTE CHANCE THAT A FEW STORMS COULD ` BECOME SEVERE...MAINLY OUT IN THE NORTHEAST PLAINS AND BORDER REGIONS LATE THIS AFTERNOON AND EARLY TONIGHT. SEVERE WEATHER SPOTTERS MAY BE NEEDED. DULONG
Special weather statement, Jul 23, 2:08 PM MDT, 1 hour before
COZ002-004-232100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 209 PM MDT THU JUL 23 1992 ...THUNDERSTORMS MOVING THROUGH ROCKY MOUNTAINS NATIONAL PARK... AT 205 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS DEVELOPING AND MOVING THROUGH THE ROCKY MOUNTAIN NATIONAL PARK AREA IN LARIMER COUNTY. THE STRONGER STORMS WERE LOCATED IN WESTERN LARIMER COUNTY 12 MILES NORTHWEST OF ESTES PARK. THESE WERE MOVING EAST AT ABOUT 15 MPH. THESE THUNDERSTORMS ARE ASSOCIATED WITH A MID-LEVEL WIND SPEED MAXIMUM MOVING ACROSS NORTHERN COLORADO INTO SOUTHEASTERN WYOMING. THUNDERSTORMS WILL CONTINUE THROUGH MOST OF THE AFTERNOON AND COULD PRODUCE HEAVY RAIN...GUSTY WINDS...FREQUENT DANGEROUS LIGHTNING AND SOME SMALL HAIL. PERSONS IN LARIMER COUNTY...AND ESPECIALLY HIKERS AND CAMPERS IN HIGHER ELEVATIONS...SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER AND SHOULD MOVE TO SAFETY SHOULD THUNDERSTORMS APPROACH. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO OR TELEVISION FOR LATER STATEMENTS AND POSSIBLE WARNINGS. DELGADO
Special weather statement, Jul 23, 3:00 PM MDT, 8 minutes before
COZ012-013-232130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 300 PM MDT THU JUL 23 1992 ...VERY STRONG THUNDERSTORMS IN EXTREME EASTERN ARAPAHOE COUNTY... AT 250 PM MDT...RADAR SHOWED A VERY STRONG THUNDERSTORM ABOUT 13 MILES EAST OF DEER TRAIL IN EXTREME EASTERN ARAPAHOE COUNTY. INTENSE LIGHTNING...VERY HEAVY RAIN...STRONG WINDS AND HAIL ARE LIKELY. THE STORM IS NEARLY STATIONARY...SO PEOPLE IN THIS AREA...INCLUDING THE THE TOWN OF DEER TRAIL AND ON INTERSTATE 70...SHOULD ALSO BE PREPARED FOR LOCALIZED FLOODING. DULONG
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 23, 5:24 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Weld | 36 min |
| Jul 23, 5:56 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Morgan, Weld | 34 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.