Alert archive / Colorado / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 22, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this severe thunderstorm warning at May 29, 1993, 3:04 PM MDT for Weld County, Colorado. It was in force for 26 min.
The area
The counties it named.
The facts
- Issued
- May 29, 1993, 3:04 PM MDT (21:04 UTC)
- Expired
- May 29, 1993, 3:30 PM MDT
- In force
- 26 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Whole counties
County Weld County, CO
The nearest sounding before it
Denver, CO (KDEN), launched 12:00Z, 9.1 hours before the alert went out and 125 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1340 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 8 m²/s²
- 0-3 km storm-relative helicity
- 10 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, May 29, 11:35 AM MDT, 3 hours 29 minutes before
COZ002-004-011-012-013-300600- SIGNIFICANT WEATHER OUTLOOK FOR NORTHEAST AND NORTH CENTRAL COLORADO NATIONAL WEATHER SERVICE DENVER CO 1135 AM MDT SAT MAY 29 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 MOISTURE CONTINUES TO BE IN PLACE OVER EASTERN COLORADO...WHICH WILL BE FAVORABLE FOR THUNDERSTORM DEVELOPMENT THIS AFTERNOON. HEATING WILL BE REDUCED SLIGHTLY THE REMAINDER OF THIS MORNING AND EARLY THIS AFTERNOON DUE TO THE CLOUD COVER. HOWEVER...AT THIS TIME IT SHOULD NOT LIMIT THE AMOUNT OF THUNDERSTORM ACTIVITY THIS AFTERNOON AS A THERMAL TROF IS EXPECTED TO PASS THROUGH THE AREA BY AROUND 3 PM. THIS THERMAL TROF WILL HELP IN THE DEVELOPMENT AND THE INTENSIFICATION OF THE STORMS. THUNDERSTORMS WILL FIRST DEVELOP IN THE MOUNTAINS...FOOTHILLS AND ALONG THE PALMER DIVIDE BY EARLY AFTERNOON. THE MAIN THREAT FROM THE STORMS THAT DEVELOP WILL BE HEAVY RAIN...HAIL...AND QUITE A BIT A LIGHTNING. LOCALIZED FLOODING IS DEFINITELY A POSSIBILITY DUE TO THE HEAVY RAINS THAT FALL. RAINFALL AMOUNTS COULD EXCEED A HALF INCH IN A 30 MINUTE TIME PERIOD. FOR THE NORTHEAST PLAINS AND BORDER REGIONS...STORMS WILL NOT BE IN THE AREA UNTIL LATER THIS AFTERNOON AND LAST WELL INTO THE EVENING HOURS. LARGE HAIL AND HEAVY RAINS ARE EVEN MORE OF A POSSIBILITY IN THESE AREA. SPOTTER ACTIVATION WILL LIKELY BE NEEDED ACROSS ALL OF THE NORTHEAST THIS AFTERNOON AND INTO THIS EVENING. HEITKAMP
Special weather statement, May 29, 11:39 AM MDT, 3 hours 25 minutes before
COZ002-004-011-012-013-300600- SIGNIFICANT WEATHER OUTLOOK FOR NORTHEAST AND NORTH CENTRAL COLORADO NATIONAL WEATHER SERVICE DENVER CO 1135 AM MDT SAT MAY 29 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 MOISTURE CONTINUES TO BE IN PLACE OVER EASTERN COLORADO...WHICH WILL BE FAVORABLE FOR THUNDERSTORM DEVELOPMENT THIS AFTERNOON. HEATING WILL BE REDUCED SLIGHTLY THE REMAINDER OF THIS MORNING AND EARLY THIS AFTERNOON DUE TO THE CLOUD COVER. HOWEVER...AT THIS TIME IT SHOULD NOT LIMIT THE AMOUNT OF THUNDERSTORM ACTIVITY THIS AFTERNOON AS A THERMAL TROF IS EXPECTED TO PASS THROUGH THE AREA BY AROUND 3 PM. THIS THERMAL TROF WILL HELP IN THE DEVELOPMENT AND THE INTENSIFICATION OF THE STORMS. THUNDERSTORMS WILL FIRST DEVELOP IN THE MOUNTAINS...FOOTHILLS AND ALONG THE PALMER DIVIDE BY EARLY AFTERNOON. THE MAIN THREAT FROM THE STORMS THAT DEVELOP WILL BE HEAVY RAIN...HAIL...AND QUITE A BIT A LIGHTNING. LOCALIZED FLOODING IS DEFINITELY A POSSIBILITY DUE TO THE HEAVY RAINS THAT FALL. RAINFALL AMOUNTS COULD EXCEED A HALF INCH IN A 30 MINUTE TIME PERIOD. FOR THE NORTHEAST PLAINS AND BORDER REGIONS...STORMS WILL NOT BE IN THE AREA UNTIL LATER THIS AFTERNOON A ND LAST WELL INTO THE EVENING HOURS. LARGE HAIL AND HEAVY RAINS ARE EVEN MORE OF A POSSIBILITY IN THESE AREA. SPOTTER ACTIVATION WILL LIKELY BE NEEDED ACROSS ALL OF THE NORTHEAST THIS AFTERNOON AND INTO THIS EVENING. HEITKAMP
Special weather statement, May 29, 2:24 PM MDT, 40 minutes before
COZ011-292100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 225 PM MDT SAT MAY 29 1993 ...STRONG THUNDERSTORMS IN SOUTHEAST LARIMER AND NORTHEAST BOULDER COUNTIES... AT 225 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS ALONG A LINE FROM LOVELAND SOUTHWEST TO NIWOT. THE STRONGEST STORM WAS LOCATED 5 MILES SOUTHWEST OF LOVELAND ...OR ABOUT 15 MILES SOUTH OF FORT COLLINS. THESE STORMS ARE CAPABLE OF PRODUCING BRIEF HEAVY RAINS...STRONG WINDS...AND HAIL. IF YOU LIVE IN THE BERTHOUD...LOVELAND...AND LONGMONT AREAS BE ON THE LOOKOUT FOR THESE STORMS AS THEY MOVE EAST-SOUTHEAST AT 10 TO 15 MPH. CONTINUE TO MONITOR NOAA WEATHER RADIO...COMMERCIAL RADIO...AND/OR TELEVISION FOR FURTHER UPDATES. A REMINDER A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR PORTIONS OF EXTREME EASTERN COLORADO UNTIL 900 PM MDT. HEITKAMP
Special weather statement, May 29, 2:25 PM MDT, 39 minutes before
COZ011-292100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 225 PM MDT SAT MAY 29 1993 ...STRONG THUNDERSTORMS IN SOUTHEAST LARIMER AND NORTHEAST BOULDER COUNTIES... AT 225 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS ALONG A LINE FROM LOVELAND SOUTHWEST TO NIWOT. THE STRONGEST STORM WAS LOCATED 5 MILES SOUTHWEST OF LOVELAND ...OR ABOUT 15 MILES SOUTH OF FORT COLLINS. THESE STORMS ARE CAPABLE OF PRODUCING BRIEF HEAVY RAINS...STRONG WINDS...AND HAIL. IF YOU LIVE IN THE BERTHOUD...LOVELAND...AND LONGMONT AREAS BE ON THE LOOKOUT FOR THESE STORMS AS THEY MOVE EAST-SOUTHEAST AT 10 TO 15 MPH. CONTINUE TO MONITOR NOAA WEATHER RADIO...COMMERCIAL RADIO...AND/OR TELEVISION FOR FURTHER UPDATES. A REMINDER A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR PORTIONS OF EXTREME EASTERN COLORADO UNTIL 900 PM MDT. HEITKAMP
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 29, 2:38 PM MDT | Severe Thunderstorm Warning | BOU | Boulder, Larimer, Weld | 17 min |
| May 29, 3:13 PM MDT | Tornado Warning | BOU | Weld | 32 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.