Alert archive / Colorado / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 210, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this severe thunderstorm warning at Jul 30, 1996, 8:16 PM MDT for Logan County, Weld County, Colorado. It was in force for 44 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 30, 1996, 8:16 PM MDT (02:16 UTC)
- Expired
- Jul 30, 1996, 9:00 PM MDT
- In force
- 44 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Whole counties
Counties Logan County, CO, Weld County, CO
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 30, 8:58 PM MDT | Hail 1 | New Raymer, 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, 2.3 hours before the alert went out and 96 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
- 794 J/kg
- Mixed-layer CIN
- -33 J/kg
- Mixed-layer LCL
- 2039 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 1 m²/s²
- 0-3 km storm-relative helicity
- 134 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.4
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 30, 6:01 PM MDT, 2 hours 15 minutes before
COZ042-048-310100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 600 PM MDT TUE JUL 30 1996 ...TORNADO WATCH IN EFFECT FOR MUCH OF EASTERN COLORADO UNTIL 9 PM MDT... THE TORNADO WATCH INCLUDES AREAS EAST OF A LINE FROM CHEYENNE TO JUST EAST OF DENVER TO ABOUT 15 MILES EAST OF COLORADO SPRINGS. AT 6 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS OVER NORTHEAST WELD AND WESTERN LOGAN COUNTIES. THESE STORMS WERE MOVING SOUTHEAST AT 25 MPH AND LIKELY CONTAINED MARBLE SIZED HAIL AND VERY HEAVY RAIN. ANOTHER STRONG STORM WAS QUICKLY DEVELOPING ALONG THE ELBERT/EL PASO COUNTY LINE. A TORNADO WATCH MEANS THAT CONDITIONS ARE FAVOxRABLE FOR TORNADOES IN AND CLOSE TO THE WATCH AREA. IF THREATENING WEATHER APPROACHES... MOVE INDOORS IMMEDIATELY. BARJENBRUCH
Special weather statement, Jul 30, 7:10 PM MDT, 1 hour 6 minutes before
COZ042>050-310300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 708 PM MDT TUE JUL 30 1996 ...TORNADO WATCH IN EFFECT FOR MUCH OF EASTERN COLORADO UNTIL 9 PM MDT... THE TORNADO WATCH INCLUDES AREAS EAST OF A LINE FROM CHEYENNE TO JUST EAST OF DENVER TO ABOUT 15 MILES EAST OF COLORADO SPRINGS. AT 7 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED WEAKENING THUNDERSTORMS OVER NORTHEASTERN COLORADO. HOWEVER...AN INTENSE THUNDERSTORM OVER SOUTHEAST WYOMING WAS MOVING QUICKLY SOUTHWARD AND SHOULD BE APPROACHING NORTHEAST WELD AND NORTHWEST LOGAN COUNTIES BY 8 PM. THIS STORM HAS ALREADY PRODUCED 65 MPH WINDS AND 1/2 DIAMETER HAIL. SEVERE THUNDERSTORMS ARE STILL POSSIBLE IN NORTHEAST COLORADO THIS EVENING. IF THREATENING WEATHER APPROACHES YOUR AREA...MOVE INDOORS IMMEDIATELY. BARJENBRUCH
Special weather statement, Jul 30, 8:10 PM MDT, 6 minutes before
COZ042>050-310300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 808 PM MDT TUE JUL 30 1996 ...TORNADO WATCH IN EFFECT FOR MUCH OF EASTERN COLORADO UNTIL 9 PM MDT... THE TORNADO WATCH INCLUDES AREAS EAST OF A LINE FROM CHEYENNE TO JUST EAST OF DENVER TO ABOUT 15 MILES EAST OF COLORADO SPRINGS. AT 8 PM MDT...SEVERE THUNDERSTORMS WERE APPROACHING THE COLORADO BORDER. THE STORMS WILL MOVE INTO NORTHEASTERN WELD AND NORTHWESTERN LOGAN COUNTIES BY 820 PM. EXPECT STRONG GUSTY WINDS UP TO 60 MPH AND 1 INCH DIAMETER HAIL WITH THE STORMS. TORNADOES ARE STILL POSSIBLE IN NORTHEAST COLORADO THIS EVENING. IF A TORNADO IS SPOTTED OR A WARNING IS ISSUED...MOVE IMMEDIATELY TO THE LOWEST FLOOR OF YOUR HOME. STAY AWAY FROM WINDOWS. BARJENBRUCH
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 30, 8:58 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 47 min |
| Jul 30, 9:12 PM MDT | Tornado Warning | BOU | Weld | 48 min |
| Jul 30, 9:41 PM MDT | Tornado Warning | BOU | Morgan | 49 min |
| Jul 30, 10:15 PM MDT | Tornado Warning | BOU | Morgan | 45 min |
| Jul 30, 10:35 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 55 min |
| Jul 30, 10:50 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 40 min |
| Jul 30, 10:59 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Washington | 31 min |
| Jul 30, 11:05 PM MDT | Severe Thunderstorm Warning | BOU | Morgan | 55 min |
| Jul 30, 11:28 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 47 min |
| Jul 30, 11:59 PM MDT | Tornado Warning | BOU | Washington | 31 min |
| Jul 31, 12:40 AM MDT | Flash Flood Warning | BOU | Washington | 110 min |
| Jul 31, 12:55 AM MDT | Flash Flood Warning | BOU | Adams | 50 min |
| Jul 31, 12:55 AM MDT | Severe Thunderstorm Warning | BOU | Adams | 50 min |
| Jul 31, 1:09 AM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 36 min |
| Jul 31, 2:58 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 32 min |
| Jul 31, 3:26 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 44 min |
| Jul 31, 4:07 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 38 min |
| Jul 31, 4:47 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 43 min |
| Jul 31, 5:28 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 47 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.