Alert archive / Colorado / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 247, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this severe thunderstorm warning at Aug 6, 1996, 10:13 PM MDT for Elbert County, Colorado. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 6, 1996, 10:13 PM MDT (04:13 UTC)
- Expired
- Aug 6, 1996, 10:45 PM MDT
- In force
- 32 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Whole counties
County Elbert County, CO
The radar
The Denver radar (KFTG), 66 km from the middle of the area, began a volume at 04:12 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Denver, CO (KDNR), launched 00:00Z, 4.2 hours before the alert went out and 101 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
- 508 J/kg
- Mixed-layer CIN
- -58 J/kg
- Mixed-layer LCL
- 3514 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 27 m²/s²
- 0-3 km storm-relative helicity
- 136 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.1
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, Aug 6, 7:12 PM MDT, 3 hours 1 minute before
COZ035-038>-070500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 710 PM MDT TUE AUG 6 1996 ...THUNDERSTORMS CONTINUE TO REDEVELOP OVER LARIMER COUNTY... LATEST DOPPLER RADAR INDICATED THUNDERSTORMS CONTINUE TO REDEVELOP OVER LARIMER COUNTY...THEN HAVE PUSHED OUT INTO NORTHWEST WELD COUNTY. THIS PATTERN HAS BEEN PRESENT DURING THE PAST HOUR AND WILL CONTINUE DURING THE NEXT SEVERAL HOURS. RADAR PRECIPATION ESTIMATES BETWEErN .50 AND .75 INCHES OF RAIN HAVE ALREADY FALLEN OVER EXTREME NORTHEASTERN LARIMER COUNTY. ADDITIONAL RAINFALL WILL CAUSE SOME LOCALIZED SMALL STREAM FLOODING OVER THIS AREA. THESE STORMS SHOULD DIMINISH LATER THIS EVENING. ENTREKIN
Special weather statement, Aug 6, 7:44 PM MDT, 2 hours 29 minutes before
COZ035-038-043-070500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 740 PM MDT TUE AUG 6 1996 ...THUNDERSTORM OVER EXTREME WEST CENTRAL WELD COUNTY... LATEST DOPPLER RADAR INDICATED A HEFTY THUNDERSTORM OVER WEST CENTRAL WELD COUNTY IN THE VICINITY OF WINDSOR. BRIEF HEAVY RAIN AND HAIL ARE POSSIBLE WITH THIS STORM. A SPOTTER REPORTED 1/2 INCH HAIL WITH SOME ACCUMULATION ON THE ROADWAY JUST WEST OF WINDSOR AT 735 PM. THIS STORM IS MOVING RAPIDLY TO THE NORTHEAST AT ABOUT 30 MPH. ADDITIONAL THUNDERSTORMS CONTINUE TO DEVELOP OVER EASTERN LARIMER COUNTY AND WILL PUSH INTO WELD COUNTY THROUGH THE REMAINDER OF THE EVENING. THESE STORMS WILL DIMINISH TOWARDS MIDNIGHTb. ENTREKIN
Special weather statement, Aug 6, 9:57 PM MDT, 16 minutes before
COZ036-070430- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 955 PM MDT TUE AUG 6 1996 ...THUNDERSTORM IN EXTREME WEST CENTRAL JEFFERSON COUNTY... AT 948 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A THUNDERSTORM 3 MILES SOUTHWEST OF EVERGREEN...OR ABOUT 23 MILES WEST OF DENVER. THE STORM WAS MOVING NORTHEAST AT 30 MILES PER HOUR. PERSONS IN OR NEAR BERGEN PARK...BROOKVALE...EVERGREEN...KITTREDGE SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER AND MOVE TO A PLACE OF SAFETY IF BAD WEATHER APPROACHES. DANGEROUS LIGHTNING...SMALL HAIL...BRIEF HEAVY RAIN...AND GUSTY WINDS WILL OCCUR WITH THIS STORM. ENTREKIN
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 6, 8:20 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe, Elbert | 30 min |
| Aug 6, 8:50 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe, Elbert | 30 min |
| Aug 6, 9:17 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe | 28 min |
| Aug 6, 10:35 PM MDT | Severe Thunderstorm Warning | BOU | Elbert, Lincoln | 30 min |
| Aug 6, 10:45 PM MDT | Tornado Warning | BOU | Lincoln | 30 min |
| Aug 7, 2:40 PM MDT | Flash Flood Warning | BOU | Jefferson | 116 min |
| Aug 7, 3:29 PM MDT | Severe Thunderstorm Warning | BOU | Douglas | 31 min |
Nearby
Severe Thunderstorm Warnings in Colorado, 1996Every severe thunderstorm warning in 1996
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; radar from the NEXRAD Level II archive.