Alert archive / Colorado / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 88, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this severe thunderstorm warning at Jul 14, 1993, 9:20 PM MDT for Weld County, Colorado. It was in force for 25 min.
The area
The counties it named.
The facts
- Issued
- Jul 14, 1993, 9:20 PM MDT (03:20 UTC)
- Expired
- Jul 14, 1993, 9:45 PM MDT
- In force
- 25 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Whole counties
County Weld County, CO
The nearest sounding before it
Denver, CO (KDEN), launched 00:00Z, 3.3 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
- 394 J/kg
- Mixed-layer CIN
- -115 J/kg
- Mixed-layer LCL
- 1965 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 119 m²/s²
- 0-3 km storm-relative helicity
- 82 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 6.5
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 14, 4:01 PM MDT, 5 hours 19 minutes before
COZ011-142300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 403 PM MDT WED JUL 14 1993 ...THUNDERSTORMS CONTINUING OVER DOUGLAS COUNTY... AT 356 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF THUNDERSTORMS PERSISTING OVER DOUGLAS COUNTY STRETCHING FROM NEAR DECKERS AND WEST CREEK TO JUST SOUTH OF CASTLE ROCK INTO THE FRANKTOWN AREA. THE STRONGEST STORMS WERE LOCATED ABOUT 4 MILES SOUTHEAST OF CASTLE ROCK AND 5 MILES WEST OF LARKSPUR. THE STORMS WERE SLOWLY MOVING EAST AROUND 10 MILES AN HOUR. HEAVY RAIN HAS BEEN INDICATED BY RADAR WITH AMOUNTS IN THE CASTLE ROCK AREA POSSIBLY EXCEEDING 1 INCH. HAIL HAS ALSO ACCOMPANIED SOME OF THE STRONGER STORMS. BE PREPARED FOR WATER PONDING ON ROAD SURFACES AND SMALL CREEKS FILLING RAPIDLY. IF THREATENING WEATHER APPROACHES YOUR LOCATION...MOVE TO A PLACE OF SAFETY. A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MUCH OF EASTERN COLORADO UNTIL 900 PM. WOLF
Special weather statement, Jul 14, 4:03 PM MDT, 5 hours 17 minutes before
COZ011-142300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 403 PM MDT WED JUL 14 1993 ...THUNDERSTORMS CONTINUING OVER DOUGLAS COUNTY... AT 356 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF THUNDERSTORMS PERSISTING OVER DOUGLAS COUNTY STRETCHING FROM NEAR DECKERS AND WEST CREEK TO JUST SOUTH OF CASTLE ROCK INTO THE FRANKTOWN AREA. THE STRONGEST STORMS WERE LOCATED ABOUT 4 MILES SOUTHEAST OF CASTLE ROCK AND 5 MILES WEST OF LARKSPUR. THE STORMS WERE SLOWLY MOVING EAST AROUND 10 MILES AN HOUR. HEAVY RAIN HAS BEEN INDICATED BY RADAR WITH AMOUNTS IN THE CASTLE ROCK AREA POSSIBLY EXCEEDING 1 INCH. HAIL HAS ALSO ACCOMPANIED SOME OF THE STRONGER STORMS. BE PREPARED FOR WATER PONDING ON ROAD SURFACES AND SMALL CREEKS FILLING RAPIDLY. IF THREATENING WEATHER APPROACHES YOUR LOCATION...MOVE TO A PLACE OF SAFETY. A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MUCH OF EASTERN COLORADO UNTIL 900 PM. WOLF
Special weather statement, Jul 14, 6:27 PM MDT, 2 hours 53 minutes before
COZ011-150115- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 630 PM MDT WED JUL 14 1993 ...STRONG THUNDERSTORMS OVER NORTHERN LARIMER AND EXTREME NORTHWEST WELD COUNTIES... AT 630 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF STRONG THUNDERSTORMS STRETCHING FROM 15 MILES WEST OF FORT COLLINS NORTHEAST TO JUST NORTHWEST OF NUNN IN NORTHWEST WELD COUNTY. THE STRONGEST STORMS WERE WEST OF FORT COLLINS AND NORTHWEST OF NUNN AND HEAVY RAIN AND SMALL HAIL ARE LIKELY WITH THESE STORMS. MOVEMENT OF THE STORMS WAS EAST-NORTHEAST ABOUT 15 MPH. THE WESTERN PORTIONS OF FORT COLLINS COULD BE AFFECTED DURING THE NEXT HALF HOUR. BE PREPARED FOR WATER PONDING ON ROAD SURFACES AND SMALL CREEKS FILLING RAPIDLY. IF THREATENING WEATHER APPROACHES YOUR LOCATION...MOVE TO A PLACE OF SAFETY. SZOKE/WOLF
Special weather statement, Jul 14, 6:30 PM MDT, 2 hours 50 minutes before
COZ011-150115- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 630 PM MDT WED JUL 14 1993 ...STRONG THUNDERSTORMS OVER NORTHERN LARIMER AND EXTREME NORTHWEST WELD COUNTIES... AT 630 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF STRONG THUNDERSTORMS STRETCHING FROM 15 MILES WEST OF FORT COLLINS NORTHEAST TO JUST NORTHWEST OF NUNN IN NORTHWEST WELD COUNTY. THE STRONGEST STORMS WERE WEST OF FORT COLLINS AND NORTHWEST OF NUNN AND HEAVY RAIN AND SMALL HAIL ARE LIKELY WITH THESE STORMS. MOVEMENT OF THE STORMS WAS EAST-NORTHEAST ABOUT 15 MPH. THE WESTERN PORTIONS OF FORT COLLINS COULD BE AFFECTED DURING THE NEXT HALF HOUR. BE PREPARED FOR WATER PONDING ON ROAD SURFACES AND SMALL CREEKS FILLING RAPIDLY. IF THREATENING WEATHER APPROACHES YOUR LOCATION...MOVE TO A PLACE OF SAFETY. SZOKE/WOLF
Special weather statement, Jul 14, 8:25 PM MDT, 55 minutes before
COZ011-150245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 825 PM MDT WED JUL 14 1993 ...SEVERE THUNDERSTORM WATCH CANCELLED FOR COLORADO... THE SEVERE THUNDERSTORM WATCH FOR COLORADO HAS BEEN CANCELLED. ONLY ONE STRONG THUNDERSTORM REMAINS IN COLORADO IN NORTHERN WELD COUNTY. THIS STORM COULD PRODUCE SEVERE WEATHER DURING THE NEXT 1 TO 2 HOURS BEFORE IT FINALLY DISSIPATES. IMY
Special weather statement, Jul 14, 8:26 PM MDT, 54 minutes before
COZ011-150245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 825 PM MDT WED JUL 14 1993 ...SEVERE THUNDERSTORM WATCH CANCELLED FOR COLORADO... THE SEVERE THUNDERSTORM WATCH FOR COLORADO HAS BEEN CANCELLED. ONLY ONE STRONG THUNDERSTORM REMAINS IN COLORADO IN NORTHERN WELD COUNTY. THIS STORM COULD PRODUCE SEVERE WEATHER DURING THE NEXT 1 TO 2 HOURS BEFORE IT FINALLY DISSIPATES. IMY
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 14, 6:15 PM MDT | Severe Thunderstorm Warning | BOU | Jefferson | 18 min |
| Jul 14, 6:39 PM MDT | Severe Thunderstorm Warning | BOU | Larimer | 36 min |
| Jul 14, 6:50 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 25 min |
| Jul 14, 7:10 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 35 min |
| Jul 14, 7:45 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 30 min |
| Jul 14, 8:49 PM MDT | Tornado Warning | BOU | Weld | 26 min |
| Jul 15, 4:17 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Morgan, Weld | 43 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.