Alert archive / Colorado / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 37, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this severe thunderstorm warning at May 31, 1999, 3:24 PM MDT for Weld County, Colorado. It was in force for 36 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- May 31, 1999, 3:24 PM MDT (21:24 UTC)
- Expired
- May 31, 1999, 4:00 PM MDT
- In force
- 36 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Weld County, CO
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 31, 3:34 PM MDT | Hail 0.75 | Roggen, CO |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 31, 3:00 PM MDT | Tornado Watch | SPC | 6 hr |
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 31, 2:11 PM MDT | Severe Thunderstorm Warning | BOU | Larimer | 34 min |
| May 31, 2:35 PM MDT | Severe Thunderstorm Warning | BOU | Larimer | 40 min |
| May 31, 3:04 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 26 min |
| May 31, 3:26 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 34 min |
| May 31, 3:55 PM MDT | Severe Thunderstorm Warning | BOU | Morgan, Weld | 50 min |
| May 31, 4:07 PM MDT | Severe Thunderstorm Warning | BOU | Morgan | 33 min |
| May 31, 4:23 PM MDT | Severe Thunderstorm Warning | BOU | Morgan | 37 min |
| May 31, 5:12 PM MDT | Tornado Warning | BOU | Morgan, Washington | 33 min |
| May 31, 5:40 PM MDT | Tornado Warning | BOU | Washington | 35 min |
| May 31, 5:56 PM MDT | Tornado Warning | BOU | Washington | 34 min |
Nearby
Severe Thunderstorm Warnings in Colorado, 1999Every severe thunderstorm warning in 1999
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data.