Alert archive / Colorado / Tornado Warnings in 1994
Tornado Warning 19, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this tornado warning at Aug 13, 1994, 3:46 PM MDT for Arapahoe County, Colorado. It was in force for 29 min.
The area
The counties it named.
The facts
- Issued
- Aug 13, 1994, 3:46 PM MDT (21:46 UTC)
- Expired
- Aug 13, 1994, 4:15 PM MDT
- In force
- 29 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Whole counties
County Arapahoe County, CO
The radar
The Denver radar (KFTG), 23 km from the middle of the area, began a volume at 21:33 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.
The nearest sounding before it
Denver, CO (KDEN), launched 12:00Z, 9.8 hours before the alert went out and 98 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
- 31 J/kg
- Mixed-layer CIN
- -210 J/kg
- Mixed-layer LCL
- 1551 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 88 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 132146
TORDEN
COC005-132215-
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DENVER CO
346 PM MDT SAT AUG 13 1994
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A TORNADO
WARNING EFFECTIVE UNTIL 415 PM MDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN NORTHEASTERN COLORADO
EASTERN ARAPAHOE
INCLUDING THE FOLLOWING LOCATIONS
DEER TRAIL
AT 346 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A POSSIBLE TORNADO 6 MILES NORTHEAST OF DEER TRAIL ...OR ABOUT
32 MILES NORTHWEST OF LIMON.
THE STORM WAS MOVING TO THE SOUTH AT 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.
MCQUEEN
LAT...LON 3958 10383 3958 10410 3969 J10410 3971 10393What 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, Aug 13, 2:45 PM MDT, 1 hour 1 minute before
COZ038-040-042>045-049-132130- SPECIAL WEATHER STATEMENT...CORRECTION... NATIONAL WEATHER SERVICE DENVER CO 247 PM MDT SAT AUG 13 1994 ...STRONG THUNDERSTORMS ERUPTING ACROSS PARTS OF THE FRONT RANGE AND NORTHEAST PLAINS... AT 241 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR WAS SHOWING A LARGE AREA OF STRONG THUNDERSTORMS ACROSS SOUTHERN AND WESTERN WELD COUNTY... SOUTHWEST MORGAN...EASTERN LARIMER...AND EASTERN ADAMS COUNTIES. STRONGEST STORMS WERE NEAR SHAMROCK IN EXTREME NORTHEAST ADAMS COUNTY AND ALONG THE LARIMER AND WELD COUNTY BORDER NORTHEAST OF FORT COLLINS. THUNDERSTORMS WERE MOVING TO THE SOUTH AT 15 MPH AND WERE CAPABLE OF VERY HEAVY RAINFALL WITH UP TO 2 INCHES POlSSIBLE IN LESS THAN AN HOUR... HAIL...AND STRONG WIND GUSTS. MOVE INDOORS IF WEATHER THREATENS AND REPORT ANY SIGNIFICANT WEATHER TO YOUR LOCAL LAW ENFORCEMENT AGENCY. MCQUEEN LAT...LON 3969 10342 3968 10472 4082 10506 4021 10375
Special weather statement, Aug 13, 2:47 PM MDT, 59 minutes before
COZ038-040-042>045-049-132130- SPECIAL WEATHER STATEMENT...CORRECTION... NATIONAL WEATHER SERVICE DENVER CO 247 PM MDT SAT AUG 13 1994 ...STRONG THUNDERSTORMS ERUPTING ACROSS PARTS OF THE FRONT RANGE AND NORTHEAST PLAINS... AT 241 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR WAS SHOWING A LARGE AREA OF STRONG THUNDERSTORMS ACROSS SOUTHERN AND WESTERN WELD COUNTY... SOUTHWEST MORGAN...EASTERN LARIMER...AND EASTERN ADAMS COUNTIES. STRONGEST STORMS WERE NEAR SHAMROCK IN EXTREME NORTHEAST ADAMS COUNTY AND ALONG THE LARIMER AND WELD COUNTY BORDER NORTHEAST OF FORT COLLINS. THUNDERSTORMS WERE MOVING TO THE SOUTH AT 15 MPH AND WERE CAPABLE OF VERY HEAVY RAINFALL WITH UP TO 2 INCHES POSSIBLE IN LESS THAN AN HOUR... HAIL...AND STRONG WIND GUSTS. MOVE INDOORS IF WEATHER THREATENS AND REPORT ANY SIGNIFICANT WEATHER TO YOUR LOCAL LAW ENFORCEMENT AGENCY. MCQUEEN LAT...LON 3969 10342 3968 10472 4082 10506 4021 10375
Special weather statement, Aug 13, 2:58 PM MDT, 48 minutes before
COZ038-042>043-132215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 300 PM MDT SAT AUG 13 1994 ...STRONG THUNDERSTORM WITH VERY HEAVY RAIN SOUTHEAST OF FORT COLLINS... AT 253 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM WITH VERY HEAVY RAIN AND STRONG WINDS OVER TIMNATH...OR ABOUT 6 MILES SOUTHEAST OF FORT COLLINS. THIS STORM HAS PRODUCED STREET FLOODING IN EASTERN FORT COLLINS. THE THUNDERSTORM WAS MOVING SOUTHEAST AROUND 10 MPH. IT SHOULD MOVE NORTHEAST OF LOVELAND BUT WILL REACH GREELEY AROUND 330 PM. HEAVY RAINS MAY FLOOD LOW LYING AREAS SUCH AS DITCHES...UNDERPASSES AND CITY STREETS. AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS AS THEY MAY BE WASHED OUT. WATER LEVELS OF SMALL STREAMS AND RIVERS MAY ALSO RISE...THEREFORE SEEK HIGHER GROUND IF THREATENED BY FLOOD WATERS. LAT...LON 4034 10476 4042 10504 4066 10510 4077 10474 WOLF
Special weather statement, Aug 13, 3:00 PM MDT, 46 minutes before
COZ038-042>043-132215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 300 PM MDT SAT AUG 13 1994 ...STRONG THUNDERSTORM WITH VERY HEAVY RAIN SOUTHEAST OF FORT COLLINS... AT 253 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM WITH VERY HEAVY RAIN AND STRONG WINDS OVER TIMNATH...OR ABOUT 6 MILES SOUTHEAST OF FORT COLLINS. THIS STORM HAS PRODUCED STREET FLOODING IN EASTERN FORT COLLINS. THE THUNDERSTORM WAS MOVING SOUTHEAST AROUND 10 MPH. IT SHOULD MOVE NORTHEAST OF LOVELAND BUT WILL REACH GREELEY AROUND 330 PM. HEAVY RAINS MAY FLOOD LOW LYING AREAS SUCH AS DITCHES...UNDERPASSES AND CITY STREETS. AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS AS THEY MAY BE WASHED OUT. WATER LEVELS OF SMALL STREAMS AND RIVERS MAY ALSO RISE...THEREFORE SEEK HIGHER GROUND IF THREATENED BY FLOOD WATERS. LAT...LON 4034 10476 4042 10504 4066 10510 4077 10474 WOLF
Special weather statement, Aug 13, 3:11 PM MDT, 35 minutes before
COC001-121-132145- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 313 PM MDT SAT AUG 13 1994 ...SEVERE THUNDERSTORM WARNING NOT CONTINUED OVER EASTERN ADAMS AND EXTREME WEST CENTRAL WASHINGTON COUNTIES... THE STORM IN THIS AREA HAS WEAKENED AND THE WARNING WILL NOT BE EXTENDED. STRONG THUNDERSTORMS WILL CONTINUE...HOWEVER...THROUGH EASTERN ADAMS AND SOUTHWEST WASHINGTON COUNTIES UNTIL 430 OR SO. STORMS WERE MOVING TO THE SOUTH AT 15 MPH. MCQUEEN LAT...LON 3978 10360 3978 10389 3995 10386 3997 10365
Special weather statement, Aug 13, 3:13 PM MDT, 33 minutes before
COC001-121-132145- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 313 PM MDT SAT AUG 13 1994 ...SEVERE THUNDERSTORM WARNING NOT CONTINUED OVER EASTERN ADAMS AND EXTREME WEST CENTRAL WASHINGTON COUNTIES... THE STORM IN THIS AREA HAS WEAKENED AND THE WARNING WILL NOT BE EXTENDED. STRONG THUNDERSTORMS WILL CONTINUE...HOWEVER...THROUGH EASTERN ADAMS AND SOUTHWEST WASHINGTON COUNTIES UNTIL 430 OR SO. STORMS WERE MOVING TO THE SOUTH AT 15 MPH. MCQUEEN LAT...LON 3978 10360 3978 10389 3995 10386 3997 10365
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 12, 6:15 PM MDT | Tornado Warning | BOU | Washington | 30 min |
| Aug 12, 6:41 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 19 min |
| Aug 12, 7:12 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 48 min |
| Aug 13, 1:49 PM MDT | Severe Thunderstorm Warning | BOU | Morgan, Weld | 41 min |
| Aug 13, 2:46 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Washington | 29 min |
Nearby
Tornado Warnings in Colorado, 1994Every tornado warning in 1994Tornadoes in 1994
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.