Alert archive / Colorado / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 249, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this severe thunderstorm warning at Aug 7, 1996, 3:29 PM MDT for Douglas County, Colorado. It was in force for 31 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 7, 1996, 3:29 PM MDT (21:29 UTC)
- Expired
- Aug 7, 1996, 4:00 PM MDT
- In force
- 31 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Whole counties
County Douglas County, CO
The radar
The Denver radar (KFTG), 61 km from the middle of the area, began a volume at 21:13 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 12:00Z, 9.5 hours before the alert went out and 158 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1830 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- -24 m²/s²
- 0-3 km storm-relative helicity
- 21 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, Aug 7, 11:12 AM MDT, 4 hours 17 minutes before
COZ030-032>050-080600- SIGNIFICANT WEATHER OUTLOOK FOR NORTHEAST AND NORTH CENTRAL COLORADO NATIONAL WEATHER SERVICE DENVER CO 1115 AM MDT WED AUG 07 1996 THIS OUTLOOK PERTAINS TO THE FOLLOWING COLORADO COUNTIES ADAMS ARAPAHOE BOULDER CLEAR CREEK DENVER DOUGLAS ELBERT GILPIN GRAND JACKSON JEFFERSON LARIMER LINCOLN LOGAN MORGAN PARK PHILLIPS SEDGWICK SUMMIT WASHINGTON WELD SYNOPSIS: HIGH PRESSURE WILL BUILD OVER COLORADO TODAY...AND WILL BRING DRIER AIR TO THE AREA. THERE WILL STILL BE ENOUGH MOISTURE FOR THUNDERSTORM DEVELOPMENT OVER THE MOUNTAINS AND ALONG THE PALMER RIDGE. THESE STORMS WILL BE SLOW MOVING...AND COULD PRODUCE BRIEF HEAVY RAIN. SOME STORMS WILL MOVE OFF THE FOOTHILLS ONTO THE PLAINS AFTER 2PM. DUE TO THE DRIER AIRMASS..HEAVY RAIN IS NOT EXPECTED. BUT THE STORMS COULD PRODUCE GUSTY WINDS TO 40 MPH. SEVERE WEATHER IS NOT EXPETCTED TODAY...SO SPOTTER ACTIVATION IS NOT ANTICIPATED. HOWEVER...REPORTS OF SIGNIFICANT WEATHER WOULD BE GREATLY APPRECIATED. LESZCYNSKI
Special weather statement, Aug 7, 3:25 PM MDT, 4 minutes before
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</html>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, 10:13 PM MDT | Severe Thunderstorm Warning | BOU | Elbert | 32 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 |
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.