Alert archive / Colorado / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 183, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this severe thunderstorm warning at Jul 25, 1996, 7:00 PM MDT for Washington County, Colorado. It was in force for 45 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
- Jul 25, 1996, 7:00 PM MDT (01:00 UTC)
- Expired
- Jul 25, 1996, 7:45 PM MDT
- In force
- 45 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Whole counties
County Washington County, CO
The radar
The Denver radar (KFTG), 117 km from the middle of the area, began a volume at 01:01 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 25, 7:18 PM MDT | Tornado F0 | Akron, 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 nearest sounding before it
Denver, CO (KDNR), launched 00:00Z, 1.0 hours before the alert went out and 11 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
- 353 J/kg
- Mixed-layer CIN
- -45 J/kg
- Mixed-layer LCL
- 2818 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 5 m²/s²
- 0-3 km storm-relative helicity
- 53 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, Jul 25, 3:44 PM MDT, 3 hours 16 minutes before
COZ036-252230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 343 PM MDT THU JUL 25 1996 ...THUNDERSTORMS IN NORTHEAST PARK AND SOUTHERN JEFFERSON COUNTIES... AT 340 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN AREA OF THUNDERSTORMS 3 MILES EAST OF PINE...OR ABOUT 27 MILES SOUTHWEST OF DENVER. THE STORMS WERE MOVING EAST SOUTHEAST AT 15 MILES PER HOUR. THE STORMS ARE CAPABLE OF PRODUCING BRIEF HEAVY RAIN AS WELL AS SMALL HAIL. RAINFALL AMOUNTS OF UP TO 1/2 INCH IN AN HOUR'S TIME ARE POSSIBLE WITH THESE STORMS. LOCALIZED FLOODING IS A POSSIBILITY WITH THESE STORMS. THE AREAS MOST VULNERABLE TO FLOODING IS THE BURNED OUT AREAS AROUND BUFFALO CREEK. PERSONS IN OR NEAR BUFFALO CREEK...BAILEY AND PINE SHOULD BE ON THE LOOKOUT FOR THESE STORMS AND MOVE TO HIGHER GROUND IF FLOODING OCCURS. NEVER DRIVE...OR WALK...THROUGN FLOODED AREAS. LESZCYNSKI
Special weather statement, Jul 25, 3:55 PM MDT, 3 hours 5 minutes before
COZ041-046-252230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 355 PM MDT THU JUL 25 1996 ...STRONG THUNDERSTORM IN NORTHERN ELBERT COUNTY... AT 352 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A THUNDERSTORM OVER NORTHCENTRAL ELBERT COUNTY...OR ABOUT 26 MILES WEST OF LIMON. THE STORM WAS MOVING SOUTHEAST AT 25 MILES PER HOUR. BE ON THE LOOKOUT FOR THREATENING WEATHER AND MOVE TO A PLACE OF SAFETY IF BAD WEAT&HER APPROACHES. DANGEROUS LIGHTNING...HAIL...HEAVY RAIN...AND STRONG GUSTY WINDS WILL OCCUR WITH THIS STORM. A TORNADO WATCH REMAINS IN EFFECT FOR MOST OF EASTERN COLORADO UNTIL 9PM THIS EVENING. HOLZINGER
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 25, 6:23 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Phillips, Sedgwick | 37 min |
| Jul 25, 6:23 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 37 min |
| Jul 25, 7:30 PM MDT | Tornado Warning | BOU | Washington | 30 min |
| Jul 25, 8:02 PM MDT | Tornado Warning | BOU | Washington | 28 min |
| Jul 25, 8:30 PM MDT | Tornado Warning | BOU | Washington | 30 min |
| Jul 25, 9:53 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 22 min |
| Jul 26, 4:04 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 41 min |
| Jul 26, 4:17 PM MDT | Severe Thunderstorm Warning | BOU | Elbert, Lincoln | 43 min |
| Jul 26, 5:10 PM MDT | Severe Thunderstorm Warning | BOU | Elbert, Lincoln | 35 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.