Alert archive / Colorado / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 34, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this severe thunderstorm warning at Jun 2, 1993, 1:12 PM MDT for Arapahoe County, Colorado. It was in force for 28 min.
The area
The counties it named.
The facts
- Issued
- Jun 2, 1993, 1:12 PM MDT (19:12 UTC)
- Expired
- Jun 2, 1993, 1:40 PM MDT
- In force
- 28 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Whole counties
County Arapahoe County, CO
The nearest sounding before it
Denver, CO (KDEN), launched 12:00Z, 7.2 hours before the alert went out and 98 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
- 66 J/kg
- Mixed-layer CIN
- -140 J/kg
- Mixed-layer LCL
- 1678 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- -8 m²/s²
- 0-3 km storm-relative helicity
- 126 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, Jun 2, 11:25 AM MDT, 1 hour 47 minutes before
COZ002-004-011-012-013-030600- SIGNIFICANT WEATHER OUTLOOK FOR NORTHEAST AND NORTH CENTRAL COLORADO NATIONAL WEATHER SERVICE DENVER CO 1125 AM MDT WED JUN 02 1993 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 SHOWERS AND THUNDERSTORMS ARE ALREADY DEVELOPING IN THE MOUNTAINS AND URBAN CORRIDOR LATE THIS MORNING. DESPITE THE DRYNESS EXPERIENCED YESTERDAY...MOISTURE HAS SURGED BACKED INTO THE URBAN CORRIDOR. THE ATMOSPHERE IS RATHER UNSTABLE AND WILL REMAIN SO AS AN UPPER LEVEL SYSTEM MOVES ACROSS THE AREA TODAY. THE WIND FIELD THIS MORNING IS ALSO GIVING INDICATIONS OF DEVELOPING IN SUCH A WAY AS TO SUPPORT SEVERE WEATHER. THE THREAT WILL INITIALLY BE OVER THE MOUNTAINS...FOOTHILLS AND URBAN CORRIDOR. BY EARLY TO MID AFTERNOON THE THREAT WILL SPREAD EASTWARD INTO THE PLAINS REACHING THE BORDER COUNTIES EAST OF AKRON DURING THE EVENING HOURS. TORNADOES...HAIL...DAMAGING WINDS AND LIGHTNING WILL BE THE MAIN THREATS. SPOTTERS HAVE BEEN ACTIVATED ALONG THE URBAN CORRIDOR AND WILL LIKELY BE ACTIVATED FURTHER EAST AS THE SEVERE WEATHER THREAT INCREASES THERE. WOLF
Special weather statement, Jun 2, 11:26 AM MDT, 1 hour 46 minutes before
COZ002-004-011-012-013-030600- SIGNIFICANT WEATHER OUTLOOK FOR NORTHEAST AND NORTH CENTRAL COLORADO NATIONAL WEATHER SERVICE DENVER CO 1125 AM MDT WED JUN 02 1993 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 SHOWERS AND THUNDERSTORMS ARE ALREADY DEVELOPING IN THE MOUNTAINS AND URBAN CORRIDOR LATE THIS MORNING. DESPITE THE DRYNESS EXPERIENCED YESTERDAY...MOISTURE HAS SURGED BACKED INTO THE URBAN CORRIDOR. THE ATMOSPHERE IS RATHER UNSTABLE AND WILL REMAIN SO AS AN UPPER LEVEL SYSTEM MOVES ACROSS THE AREA TODAY. THE WIND FIELD THIS MORNING IS ALSO GIVING INDICATIONS OF DEVELOPING IN SUCH A WAY AS TO SUPPORT SEVERE WEATHER. THE THREAT WILL INITIALLY BE OVER THE MOUNTAINS...FOOTHILLS AND URBAN CORRIDOR. BY EARLY TO MID AFTERNOON THE THREAT WILL SPREAD EASTWARD INTO THE PLAINS REACHING THE BORDER COUNTIES EAST OF AKRON DURING THE EVENING HOURS. TORNADOES...HAIL...DAMAGING WINDS AND LIGHTNING WILL BE THE MAIN THREATS. SPOTTERS HAVE BEEN ACTIVATED ALONG THE URBAN CORRIDOR AND WILL LIKELY BE ACTIVATED FURTHER EAST AS THE SEVERE WEATHER THREAT INCREASES THERE. WOLF
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 2, 12:14 PM MDT | Severe Thunderstorm Warning | BOU | Jefferson | 21 min |
| Jun 2, 12:14 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe, Denver | 31 min |
| Jun 2, 12:31 PM MDT | Tornado Warning | BOU | Arapahoe, Denver | 29 min |
| Jun 2, 12:46 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe | 29 min |
| Jun 2, 12:47 PM MDT | Tornado Warning | BOU | Arapahoe, Denver | 33 min |
| Jun 2, 1:12 PM MDT | Severe Thunderstorm Warning | BOU | Adams | 18 min |
Nearby
Severe Thunderstorm Warnings in Colorado, 1993Every severe thunderstorm warning in 1993
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.