Alert archive / Colorado / Tornado Warnings in 1993
Tornado Warning 1, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this tornado warning at May 28, 1993, 4:13 PM MDT for Larimer County, Weld County, Colorado. It was in force for 12 min.
The area
The counties it named.
The facts
- Issued
- May 28, 1993, 4:13 PM MDT (22:13 UTC)
- Expired
- May 28, 1993, 4:25 PM MDT
- In force
- 12 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Whole counties
Counties Larimer County, CO, Weld County, CO
The nearest sounding before it
Denver, CO (KDEN), launched 12:00Z, 10.2 hours before the alert went out and 166 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1389 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- -11 m²/s²
- 0-3 km storm-relative helicity
- 62 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 282216
TORDEN
COC123-069-282230-
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DENVER CO
413 PM MDT FRI MAY 28 1993
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A TORNADO
WARNING EFFECTIVE UNTIL 430 PM MDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN NORTHEASTERN COLORADO
SOUTHWESTERN WELD EXTREME SOUTHEAST LARIMER
INCLUDING THE FOLLOWING LOCATIONS
GILCREST...MILLIKEN AND PECKHAM
AT 413 PM MDT SPOTTERS SITED A TORNADO NEAR JOHNSONS CORNER
OR ABOUT 3 MILES SOUTHEAST OF LOVELAND.
THE STORM WAS NEARLY STATIONARY.
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.
TO REPORT SEVERE WEATHER HAVE THE NEAREST LAW ENFORCEMENT
AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHpER SERVICE
FORECAST OFFICE IN DENVER.
LAT...LON 4026 10472 4027 10498 4041 10503 4039 10473What 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, May 28, 11:55 AM MDT, 4 hours 18 minutes before
COZ002-004-011-012-013-290600- SIGNIFICANT WEATHER OUTLOOK FOR NORTHEAST AND NORTH CENTRAL COLORADO NATIONAL WEATHER SERVICE DENVER CO 1155 AM MDT FRI MAY 28 1993 THIS OUTLOOK PERTAINS TO THE FOLLOWING COLORADO COUNTIES ADAMS DENVER JACKSON LOGAN SEDGWICK YUMA ARAPAHOE DOUGLAS JEFFERSON MORGAN SUMMIT BOULDER GILPIN LARIMER PARK WASHINGTON CLEAR CREEK GRAND LAKE PHILLIPS WELD SOUTHWESTERLY FLOW ALOFT CONTINUES OVER NORTHEAST COLORADO TODAY IN A SITUATION SIMILAR TO YESTERDAY. ENOUGH MOISTURE REMAINS OVER NORTHEAST COLORADO TO SUPPORT AFTERNOON THUNDERSTORM DEVELOPMENT. LATE MORNING SATELLITE PICTURES SHOW AN UPPER LEVEL DISTURBANCE LOCATED JUST TO THE SOUTH OF THE GUNNISON VALLEY. THIS UPPER LEVEL SUPPORT WILL BEGIN MOVING OVER THE FRONT RANGE FOOTHILLS AFTER 2 PM. A FEW INITIAL THUNDERSTORMS WILL MOVE OFF THE HIGHER TERRAIN AROUND 1 PM WITH ADDITIONAL DEVELOPMENT BEGINNING AFTER 230 PM. UPPER LEVEL WINDS ARE INITIALLY TOO WEAK FOR VERY STRONG THUNDERSTORMS TO DEVELOP...BUT STORMS MAY MOVE SLOW ENOUGH TO CAUSE PERIODS OF HEAVY RAIN. LOW CLOUDS IN LOGAN...WASHINGTON...YUMA...SEDGWICK AND PHILLIPS COUNTIES WILL KEEP TEMPERATURES IN THE NORTHEAST PARTS OF THE STATE TOO COOL FOR ANY THUNDERSTORMS TO DEVELOP. SPOTTER ACTIVATION IS POSSIBLE FROM THE DENVER AREA NORTHWARD TO WELD COUNTY THIS AFTERNOON AS THUNDERSTORMS SHOULD PRODUCE HEAVY RAINS AND POSSIBLE HAIL. DANKERS
Special weather statement, May 28, 11:56 AM MDT, 4 hours 17 minutes before
COZ002-004-011-012-013-290600- SIGNIFICANT WEATHER OUTLOOK FOR NORTHEAST AND NORTH CENTRAL COLORADO NATIONAL WEATHER SERVICE DENVER CO 1155 AM MDT FRI MAY 28 1993 THIS OUTLOOK PERTAINS TO THE FOLLOWING COLORADO COUNTIES ADAMS DENVER JACKSON LOGAN SEDGWICK YUMA ARAPAHOE DOUGLAS JEFFERSON MORGAN SUMMIT BOULDER GILPIN LARIMER PARK WASHINGTON CLEAR CREEK GRAND LAKE PHILLIPS WELD SOUTHWESTERLY FLOW ALOFT CONTINUES OVER NORTHEAST COLORADO TODAY IN A SITUATION SIMILAR TO YESTERDAY. ENOUGH MOISTURE REMAINS OVER NORTHEAST COLORADO TO SUPPORT AFTERNOON THUNDERSTORM DEVELOPMENT. LATE MORNING SATELLITE PICTURES SHOW AN UPPER LEVEL DISTURBANCE LOCATED JUST TO THE SOUTH OF THE GUNNISON VALLEY. THIS UPPER LEVEL SUPPORT WILL BEGIN MOVING OVER THE FRONT RANGE FOOTHILLS AFTER 2 PM. A FEW INITIAL THUNDERSTORMS WILL MOVE OFF THE HIGHER TERRAIN AROUND 1 PM WITH ADDITIONAL DEVELOPMENT BEGINNING AFTER 230 PM. UPPER LEVEL WINDS ARE INITIALLY TOO WEAK FOR VERY STRONG THUNDERSTORMS TO DEVELOP...BUT STORMS MAY MOVE SLOW ENOUGH TO CAUSE PERIODS OF HEAVY RAIN. LOW CLOUDS IN LOGAN...WASHINGTON...YUMA...SEDGWICK AND PHILLIPS COUNTIES WILL KEEP TEMPERATURES IN THE NORTHEAST PARTS OF THE STATE TOO COOL FOR ANY THUNDERSTORMS TO DEVELOP. SPOTTER ACTIVATION IS POSSIBLE FROM THE DENVER AREA NORTHWARD TO WELD COUNTY THIS AFTERNOON AS THUNDERSTORMrS SHOULD PRODUCE HEAVY RAINS AND POSSIBLE HAIL. DANKERS
Special weather statement, May 28, 3:05 PM MDT, 1 hour 8 minutes before
COZ011-282200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 305 PM MDT FRI MAY 28 1993 ...THUNDERSTORMS DEVELOPING OVER SOUTH SUBURBS... AT 305 PM MDT...MODERATE THUNDERSTORMS WERE STRENGTHENING OVER SOUTHERN JEFFERSON COUNTY...SOUTHWEST ARAPAHOE COUNTY...AND NORTHERN DOUGLAS COUNTY. DOPPLER RADAR SHOWED THE STRONGEST STORM WAS OVER PARKER...COLORADO...IN NORTHERN DOUGLAS COUNTY. THE STORM OVER PARKER WAS INTENSIFYING RAPIDLY AND HEAVY RAIN WAS REPORTED BY THE PUBLIC AT 255 PM...ONE MILE NORTH OF PARKER. ALL THE THUNDERSTORMS IN THE SOUTHERN SUBURBS WERE MOVING NORTHEAST AT 5 MILES AN HOUR. THESE STORMS ARE CAPABLE OF PRODUCING SMALL HAIL...GUSTY WINDS TO 40 MILES AN HOUR...AND HEAVY RAIN. MINOR STREET AND SMALL STREAM FLOODING IS POSSIBLE. YOU SHOULD SEEK SHELTER IF THREATENING WEATHER APPROACHES AND DRIVERS SHOULD AVOID DRIVING THROUGH FLOODED ROADS. A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 900 PM TONIGHT FOR NORTHEASTERN COLORADO...TO THE NORTH AND EAST OF THE DENVER METRO AREA. STAY TUNED TO WEATHER RADIO FOR ADDITIONAL INFORMATION. CUOCO
Special weather statement, May 28, 3:09 PM MDT, 1 hour 4 minutes before
COZ011-282200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 305 PM MDT FRI MAY 28 1993 ...THUNDERSTORMS DEVELOPING OVER SOUTH SUBURBS... AT 305 PM MDT...MODERATE THUNDERSTORMS WERE STRENGTHENING OVER SOUTHERN JEFFERSON COUNTY...SOUTHWEST ARAPAHOE COUNTY...AND NORTHERN DOUGLAS COUNTY. DOPPLER RADAR SHOWED THE STRONGEST STORM WAS OVER PARKER...COLORADO...IN NORTHERN DOUGLAS COUNTY. THE STORM OVER PARKER WAS INTENSIFYING RAPIDLY AND HEAVY RAIN WAS REPORTED BY THE PUBLIC AT 255 PM...ONE MILE NORTH OF PARKER. ALL THE THUNDERSTORMS IN THE SOUTHERN SUBURBS WERE MOVING NORTHEAST AT 5 MILES AN HOUR. THESE STORMS ARE CAPABLE OF PRODUCING SMALL HAIL...GUSTY WINDS TO 40 MILES AN HOUR...AND HEAVY RAIN. MINOR STREET AND SMALL STREAM FLOODING IS POSSIBLE. YOU SHOULD SEEK SHELTER IF THREATENING WEATHER APPROACHES AND DRIVERS SHOULD AVOID DRIVING THROUGH FLOODED ROADS. A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 90L0 PM TONIGHT FOR NORTHEASTERN COLORADO...TO THE NORTH AND EAST OF THE DENVER METRO AREA. STAY TUNED TO WEATHER RADIO FOR ADDITIONAL INFORMATION. CUOCO
Special weather statement, May 28, 3:40 PM MDT, 33 minutes before
COZ011-282230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 340 PM MDT FRI MAY 28 1993 ...THUNDERSTORMS IN THE FORT COLLINS AREA... AT 330 PM MDT...THE PUBLIC IN BELLVUE...JUST NORTH OF FORT COLLINS... REPORTED HEAVY RAIN AND PEA-SIZED HAIL FROM AN AREA OF THUNDERSTORMS THAT STRETCHED FROM 5 MILES NORTHEAST OF FORT COLLINS TO NEAR ESTES PARK. DOPPLER RADAR INDICATED THAT THESE STORMS WERE DRIFTING SLOWLY EASTWARD. THESE STORMS WILL CONTINUE TO PRODUCE HEAVY RAIN FROM FORT COLLINS SOUTHWARD TO MASONVILLE AND DRAKE THROUGH 400 PM. SMALL HAIL AND GUSTY WINDS UP TO 40 MPH WILL ALSO OCCUR. FLOODING OF SMALL STREAMS AND MINOR STREET FLOODING IS POSSIBLE IN SOUTHEASTERN LARIMER COUNTY THROUGH 430 PM. MOVE INDOORS WHEN THUNDERSTORMS APPROACH AS PROTECTION FROM LIGHTNING. DRIVERS SHOULD ALSO AVOID DRIVING ON FLOODED ROADWAYS. A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 900 PM TONIGHT FOR NORTHEASTERN COLORADO...TO THE NORTH AND EAST OF THE DENVER METRO AREA. STAY TUNED TO WEATHER RADIO FOR ADDITIONAL INFORMATION. DANKERS ADIO OR YOUR FAVORITE NEWS SOURCE FOR UPDATES ON THIS WEATHER SITUATION. END/WAGNER
Special weather statement, May 28, 3:42 PM MDT, 31 minutes before
COZ011-282230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 340 PM MDT FRI MAY 28 1993 ...THUNDERSTORMS IN THE FORT COLLINS AREA... AT 330 PM MDT...THE PUBLIC IN BELLVUE...JUST NORTH OF FORT COLLINS... REPORTED HEAVY RAIN AND PEA-SIZED HAIL FROM AN AREA OF THUNDERSTORMS THAT STRETCHED FROM 5 MILES NORTHEAST OF FORT COLLINS TO NEAR ESTES PARK. DOPPLER RADAR INDICATED THAT THESE STORMS WERE DRIFTING SLOWLY EASTWARD. THESE STORMS WILL CONTINUE TO PRODUCE HEAVY RAIN FROM FORT COLLINS SOUTHWARD TO MASONVILLE AND DRAKE THROUGH 400 PM. SMALL HAIL AND GUSTY WINDS UP TO 40 MPH WILL ALSO OCCUR. FLOODING OF SMALL STREAMS AND MINOR STREET FLOODING IS POSSIBLE IN SOUTHEASTERN LARIMER COUNTY THROUGH 430 PM. MOVE INDOORS WHEN THUNDERSTORMS APPROACH AS PROTECTION FROM LIGHTNING. DRIVERS SHOULD ALSO AVOID DRIVING ON FLOODED ROADWAYS. A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 900 PM TONIGHT FOR NORTHEASTERN COLORADO...TO THE NORTH AND EAST OF THE DENVER METRO AREA. STAY TUNED TO WEATHER RADIO FOR ADDITIONAL INFORMATION. DANKERS
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 9:28 PM MDT | Severe Thunderstorm Warning | BOU | Yuma | 47 min |
| May 27, 10:11 PM MDT | Severe Thunderstorm Warning | BOU | Yuma | 29 min |
| May 28, 4:47 PM MDT | Severe Thunderstorm Warning | BOU | Larimer, Weld | 28 min |
| May 28, 5:11 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 32 min |
| May 28, 5:22 PM MDT | Tornado Warning | BOU | Weld | 23 min |
Nearby
Tornado Warnings in Colorado, 1993Every tornado warning in 1993Tornadoes in 1993
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.