Alert archive / Colorado / Tornado Warnings in 1996
Tornado Warning 67, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this tornado warning at Jul 28, 1996, 6:08 PM MDT for Adams County, Denver County, Weld County, Colorado. It was in force for 37 min. 5 reports 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 28, 1996, 6:08 PM MDT (00:08 UTC)
- Expired
- Jul 28, 1996, 6:45 PM MDT
- In force
- 37 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Whole counties
Counties Adams County, CO, Denver County, CO, Weld County, CO
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 28, 6:08 PM MDT | Tornado F0 | Keenesburg, CO | |
| Jul 28, 6:08 PM MDT | Tornado F0 | Bennett, CO | |
| Jul 28, 6:14 PM MDT | Tornado F0 | Bennett, CO | |
| Jul 28, 6:15 PM MDT | Tornado F0 | Prospect, CO | |
| Jul 28, 6:22 PM MDT | Tornado F0 | Barr Lake, 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, 0.1 hours before the alert went out and 113 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
- 83 J/kg
- Mixed-layer CIN
- -149 J/kg
- Mixed-layer LCL
- 2683 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- -121 m²/s²
- 0-3 km storm-relative helicity
- -101 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KDEN 290012 RRA
TORDEN
COC001-031-123-290045-
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DENVER CO
608 PM MDT SUN JUL 28 1996
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 645 PM MDT FOR PEOPLE IN THE FOLLOWING COUNTIES
IN NORTHEAST COLORADO
NORTHEASTERN DENVER...WESTERN ADAMS AND SOUTHWESTERN WELD
INCLUDING THE FOLLOWING LOCATIONS
NORTHEASTERN DENVER INTERNATIONAL AIRPORT...HUDSON...KEENESBURG
AND LOCHBUIE
AT 605 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
THUNDERSTORM WITH A POSSIBLE TORNADO 4 MILES SOUTH OF HUDSON...OR
ABOUT 27 MILES NORTHEAST OF DENVER.
AT 605 PM MDT THE PUBLIC REPORTED A TORNADO 8 MILE SOUTHEAST OF
KEENSEBURG.
THE STORM WAS MOVING EAST NORTHEAST 10 TO 15 MPH.
THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
LAT...LON 4001 10428 3975 10463 4000 10476 4014 10461
FMCWhat forecasters said that day
The local office's own words before this tornado 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 28, 2:11 PM MDT, 3 hours 57 minutes before
COZ030-032>050-290600- SIGNIFICANT WEATHER OUTLOOK FOR NORTHEAST AND NORTH CENTRAL COLORADO NATIONAL WEATHER SERVICE DENVER CO 210 PM MDT SUN JULY 28 1996 ...TORNADO WATCH UNTIL 9 PM MDT FOR PORTIONS OF NORTHEAST COLORADO... 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 A TORNADO WATCH HAS BEEN ISSUED UNTIL 9PM MDT FOR THE FOLLOWING COUNTIES: LOGAN...MORGAN...SEDGWICK...NORTHERN WASHINGTON AND EASTERN WELD COUNTIES. THE WATCH INCLUDES BUT IS NOT LIMITED TO THE FOLLOWING LOCATIONS: AKRON...FORT MORGAN...HOLYOKE...ROGGEN... STERLING AND JULESBURG. A MOIST NORTHWESTERLY FLOW ALOFT WILL BE OVER NORTHEASTERN COLORADO THIS AFTERNOON AND EVENING. THE BEST SOURCE OF LOW LEVEL MOISTURE WILL REMAIN IN THE NORTHEASTERN PLAINS...MAINLY NORTH AND EAST OF A LINE FROM HEREFORD IN NORTHCENTRAL WELD COUNTY TO FORT MORGAN TO AROUND ELBA IN CENTRAL WASHINGTON COUNTY. A WEAK UPPER LEVEL DISTURBANCE IS EXPECTED TO MOVE INTO EASTERN WYOMING LATE THIS AFTERNOON...THIS MAY BE ENOUGH TO HELP SPAWN A FEW SEVERE STORMS IN THE NORTHEASTERN PLAINS LATE THIS AFTERNOON AND EVENING. A FEW SEVERE STORMS MAY DEVELOP EAST OF THE LINE MENTIONED EARLIER. ISOLATED TORNADOS...LARGE HAIL...DAMAGING WINDS IN EXCESS OF 60 MPH AND VERY HEAVY RAIN ARE POSSIBLE WITH THESE STORMS. SPOTTER ACTIVATION MAY BE NEEDED FOR MORGAN AND PHILLIPS COUNTIES AFTER 5PM THIS AFTERNOON. AT 200 PM...DOPPLER RADAR INDICATED WIDELY SCATTERED THUNDERSTORM DEVELOPING IN THE FOOTHILLS...THE STRONGEST STORMS WERE LOCATED OVER SOUTHERN JEFFERSON...PARK AND DOUGLAS COUNTIES. THESE STORMS WERE MOVING EAST SOUTHEAST AT 10 TO 15 MPH. SMALL HAIL...STRONG GUSTY WINDS...DANGEROUS LIGHTNING AND BRIEF HEAVY RAIN ARE POSSIBLE WITH THE STORMS. SEEK SHELTER IF A STORM APPROACHES YOUR AREA. FMC
Special weather statement, Jul 28, 2:55 PM MDT, 3 hours 13 minutes before
COZ035-038-282130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 255 PM MDT SUN JUL 28 1996 ...STRONG THUNDERSTORM IN NORTHEASTERN LARIMER COUNTY... AT 250 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A THUNDERSTORM 14 MILES WEST NORTHWEST OF NATURAL FORT REST AREA...OR ABOUT 30 MILES NORTH OF FORT COLLINS...ALONG THE COLORADO/WYOMING BORDER. THE STORM WAS MOVING SOUTHEAST AT 10 TO 15 MILES PER HOUR. PERSONS IN OR NEAR CARR...NATURAL FORT REST AREA...ROCKPORT AND WELLINGTON SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER AND MOVE TO A PLACE OF SAFETY IF BAD WEATHER APPROACHES. DANGEROUS LIGHTNING...SMALL HAIL...BRIEF HEAVY RAIN...AND GUSTY WINDS TO 50 MPH ARE POSSIBLE WITH THIS STORM. SEEK SHELTER IF THE STORM APPRACHES YOUR AREA. FMC
Special weather statement, Jul 28, 3:31 PM MDT, 2 hours 37 minutes before
COZ035-038-282215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 330 PM MDT SUN JUL 28 1996 ...STRONG THUNDERSTORMS CONTINUE IN EXTREME NORTHEASTERN LARIMER AND NORTHWESTERN WELD COUNTIES... STRONG THUNDERSTORMS CONTINUE TO DISSIPATE AND REDEVELOP ALONG THE COLORADO/WYOMING BORDERS. AT 324 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A THUNDERSTORM 2 MILES SOUTHWEST OF NATURAL FORT REST AREA...OR ABOUT 26 MILES NORTH OF FORT COLLINS. THE STORM WAS MOVING SOUTHEAST AT 20 MILES PER HOUR. PERSONS IN OR NEAR CARR...NATURAL FORT REST AREA AND ROCKPORT SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER AND MOVE TO A PLACE OF SAFETY IF BAD WEATHER APPROACHES. DANGEROUS LIGHTNING...SMALL HAIL...BRIEF HEAVY RAIN...AND STRONG GUSTY WINDS WILL OCCUR WITH THIS STORM. SEEK SHELTER IF A STORM APPROACHES YOUR AREA. FMC
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 28, 6:35 PM MDT | Tornado Warning | BOU | Adams, Weld | 25 min |
| Jul 28, 6:37 PM MDT | Severe Thunderstorm Warning | BOU | Boulder | 53 min |
| Jul 28, 6:43 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Phillips, Sedgwick | 47 min |
| Jul 28, 6:56 PM MDT | Tornado Warning | BOU | Adams, Denver | 34 min |
| Jul 28, 7:03 PM MDT | Tornado Warning | BOU | Adams, Arapahoe | 27 min |
| Jul 28, 7:30 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Phillips | 45 min |
| Jul 28, 8:32 PM MDT | Severe Thunderstorm Warning | BOU | Elbert, Lincoln | 43 min |
| Jul 28, 8:58 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 47 min |
Nearby
Tornado Warnings in Colorado, 1996Every tornado warning in 1996Tornadoes 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.