Alert archive / Colorado / Severe Thunderstorm Watches in 2000
Severe Thunderstorm Watch 575
The Storm Prediction Center issued this severe thunderstorm watch at Jul 12, 2000, 2:15 PM MDT for 12 counties in Colorado; 11 counties in Nebraska; Goshen County, Laramie County, Platte County, Wyoming. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 12, 2000, 2:15 PM MDT (20:15 UTC)
- Expired
- Jul 12, 2000, 9:00 PM MDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
All 26 counties
Adams County, CO, Arapahoe County, CO, Denver County, CO, Elbert County, CO, Kit Carson County, CO, Logan County, CO, Morgan County, CO, Phillips County, CO, Sedgwick County, CO, Washington County, CO, Weld County, CO, Yuma County, CO, Banner County, NE, Box Butte County, NE, Cheyenne County, NE, Dawes County, NE, Deuel County, NE, Garden County, NE, Kimball County, NE, Morrill County, NE, Scotts Bluff County, NE, Sheridan County, NE, Sioux County, NE, Goshen County, WY, Laramie County, WY, Platte County, WY
The radar
The Cheyenne radar (KCYS), 88 km from the middle of the area, began a volume at 20:19 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.
Warnings issued inside it
22 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 12, 2:48 PM MDT | Severe Thunderstorm Warning | BOU | Morgan, Washington | 42 min |
| Jul 12, 2:52 PM MDT | Severe Thunderstorm Warning | BOU | Logan | 53 min |
| Jul 12, 3:30 PM MDT | Flash Flood Warning | BOU | Morgan | 90 min |
| Jul 12, 3:44 PM MDT | Severe Thunderstorm Warning | BOU | Morgan | 46 min |
| Jul 12, 3:46 PM MDT | Severe Thunderstorm Warning | BOU | Logan | 44 min |
| Jul 12, 3:57 PM MDT | Severe Thunderstorm Warning | BOU | Morgan | 48 min |
| Jul 12, 4:07 PM MDT | Severe Thunderstorm Warning | CYS | Scotts Bluff | 23 min |
| Jul 12, 4:12 PM MDT | Severe Thunderstorm Warning | CYS | Dawes | 48 min |
| Jul 12, 4:13 PM MDT | Tornado Warning | BOU | Morgan | 32 min |
| Jul 12, 4:25 PM MDT | Severe Thunderstorm Warning | BOU | Logan | 50 min |
| Jul 12, 4:29 PM MDT | Severe Thunderstorm Warning | CYS | Kimball | 46 min |
| Jul 12, 4:37 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 28 min |
| Jul 12, 4:43 PM MDT | Severe Thunderstorm Warning | BOU | Morgan | 47 min |
| Jul 12, 4:48 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 42 min |
| Jul 12, 4:53 PM MDT | Tornado Warning | BOU | Morgan | 37 min |
| Jul 12, 5:00 PM MDT | Severe Thunderstorm Warning | CYS | Dawes | 15 min |
| Jul 12, 5:04 PM MDT | Flash Flood Warning | BOU | Morgan | 3 hr |
| Jul 12, 5:13 PM MDT | Severe Thunderstorm Warning | BOU | Logan | 47 min |
| Jul 12, 5:26 PM MDT | Severe Thunderstorm Warning | CYS | Kimball | 49 min |
| Jul 12, 5:35 PM MDT | Flash Flood Warning | CYS | Cheyenne, Kimball | 4 hr |
| Jul 12, 5:37 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 38 min |
| Jul 12, 7:27 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 63 min |
The nearest sounding before it
Denver, CO (KDNR), launched 12:00Z, 8.3 hours before the alert went out and 180 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
- 40 J/kg
- Mixed-layer CIN
- -362 J/kg
- Mixed-layer LCL
- 1871 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- -12 m²/s²
- 0-3 km storm-relative helicity
- 14 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 11, 6:30 PM MDT | Severe Thunderstorm Watch | SPC | Burt, Cedar, Cuming, Dakota, Dixon, Dodge and 3 more | 6 hr |
| Jul 11, 10:00 PM MDT | Severe Thunderstorm Watch | SPC | Butler, Cass, Douglas, Johnson, Lancaster, Nemaha and 6 more | 5 hr |
Nearby
Severe Thunderstorm Watches in Colorado, 2000Severe Thunderstorm Watches in Nebraska, 2000Severe Thunderstorm Watches in Wyoming, 2000Every severe thunderstorm watch in 2000
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.