Alert archive / Colorado / Tornado Warnings in 1993
Tornado Warning 19, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this tornado warning at Jul 12, 1993, 2:33 PM MDT for Adams County, Morgan County, Washington County, Colorado. It was in force for 27 min.
The area
The counties it named.
The facts
- Issued
- Jul 12, 1993, 2:33 PM MDT (20:33 UTC)
- Expired
- Jul 12, 1993, 3:00 PM MDT
- In force
- 27 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Whole counties
Counties Adams County, CO, Morgan County, CO, Washington County, CO
The nearest sounding before it
Denver, CO (KDEN), launched 12:00Z, 8.6 hours before the alert went out and 51 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
- 324 J/kg
- Mixed-layer CIN
- -415 J/kg
- Mixed-layer LCL
- 1355 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 19 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 122035
TORDEN
COC001-087-121-122100-
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DENVER CO
233 PM MDT MON JUL 12 1993
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A TORNADO
WARNING EFFECTIVE UNTIL 300 PM MDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN NORTHEASTERN COLORADO
NORTHEASTERN ADAMS...SOUTHERN MORGAN AND WEST CENTRAL
WASHINGTON
INCLUDING THE FOLLOWING LOCATIONS
ADENA...GARY...SHAMROCK...TWELVE-MILE CORNER AND WOODROW
AT 233 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A POSSIBLE TORNADO 6 MILES WEST OF WOODROW ...OR ABOUT 50 MILES
NORTH OF LIMON.
AMATEUR RADIO WEATHER SPOTTERS REPORTED A TORNADO AT THIS LOCATION.
THE STORM WAS MOVING NORTHEAST AT 20 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.
TO REPORT SEVERE WEATHER HAVE THE NEAREST LAW ENFORCEMENT
AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
FORECAST OFFICE IN DENVER.
DULONG
LAT...LON 3989 10336 39f86 10390 4009 10390 4017 10327What 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 12, 11:44 AM MDT, 2 hours 49 minutes before
COZ002-004-011-012-013-130600- SIGNIFICANT WEATHER OUTLOOK FOR NORTHEAST AND NORTH CENTRAL COLORADO NATIONAL WEATHER SERVICE DENVER CO 1145 AM MDT MON JUL 12 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 CONDITIONS HAVE BECOME MORE FAVORABLE FOR SEVERE WEATHER TODAY ...DUE TO WARMER TEMPERATURES AND THE CONTINUED PRESENCE OF ABUNDANT MOISTURE. AT 1130 AM...A BOUNDARY HAD SET UP FROM NORTHEAST JEFFERSON COUNTY AND SOUTHWEST ADAMS COUNTY INTO SOUTHWEST WELD COUNTY. THIS FEATURE SHOULD BECOME THE FOCUS FOR TODAY'S FIRST STORMS. ITS WEST END HAS BEEN SAGGING SOUTHWARD...SO THE ACTIVITY SHOULD SPREAD INTO METRO DENVER EARLY THIS AFTERNOON. CONDITIONS ARE ALSO RIPE FOR STRONG AND POSSIBLY SEVERE WEATHER ELSEWHERE IN NORTHEAST COLORADO...BUT ACTIVITY IS EXPECTED TO POP SOMEWHAT LATER IN THE DAY...MAINLY AFTER 3 PM. IF YOU ARE IN NORTHEAST COLORADO...BE PREPARED FOR HEAVY RAIN...STRONG WIND GUSTS AND SOME HAIL. SPOTTERS WILL LIKELY BE NEEDED THIS AFTERNOON AND EVENING. DULONG
Special weather statement, Jul 12, 11:45 AM MDT, 2 hours 48 minutes before
COZ002-004-011-012-013-130600- SIGNIFICANT WEATHER OUTLOOK FOR NORTHEAST AND NORTH CENTRAL COLORADO NATIONAL WEATHER SERVICE DENVER CO 1145 AM MDT MON JUL 12 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 CONDITIONS HAVE BECOME MORE FAVORABLE FOR SEVERE WEATHER TODAY ...DUE TO WARMER TEMPERATURES AND THE CONTINUED PRESENCE OF ABUNDANT MOISTURE. AT 1130 AM...A BOUNDARY HAD SET UP FROM NORTHEAST JEFFERSON COUNTY AND SOUTHWEST ADAMS COUNTY INTO SOUTHWEST WELD COUNTY. THIS FEATURE SHOULD BECOME THE FOCUS FOR TODAY'S FIRST STORMS. ITS WEST END HAS BEEN SAGGING SOUTHWARD...SO THE ACTIVITY SHOULD SPREAD INTO METRO DENVER EARLY THIS AFTERNOON. CONDITIONS ARE ALSO RIPE FOR STRONG AND POSSIBLY SEVERE WEATHER ELSEWHERE IN NORTHEAST COLORADO...BUT ACTIVITY IS EXPECTED TO POP SOMEWHAT LATER IN THE DAY...MAINLY AFTER 3 PM. IF YOU ARE IN NORTHEAST COLORADO...BE PREPARED FOR HEAVY RAIN...STRONG WIND GUSTS AND SOME HAIL. SPOTTERS WILL LIKELY BE NEEDED THIS AFTERNOON AND EVENING. DULONG
Special weather statement, Jul 12, 12:30 PM MDT, 2 hours 3 minutes before
COZ011-121915- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 1230 PM MDT MON JUL 12 1993 ...STRONG THUNDERSTORMS MOVING ACROSS SOUTHWEST METRO-DENVER... AT 1230 PM MDT...DOPPLER RADAR SHOWED THAT STRONG THUNDERSTORMS HAD RAPIDLY DEVELOPED OVER SOUTHWEST METRO-DENVER. THIS ACTIVITY WAS MOVING EAST AT 15 MPH. IF YOU ARE IN LAKEWOOD...ENGLEWOOD...LITTLETON AND OTHER PARTS OF SOUTHWEST DENVER...BE PREPARED TO TAKE COVER FROM STRONG WINDS...INTENSE LIGHTNING AND LOCALLY HEAVY RAIN. SOME HAIL IS ALSO LIKELY. DULONG
Special weather statement, Jul 12, 12:32 PM MDT, 2 hours 1 minute before
COZ011-121915- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 1230 PM MDT MON JUL 12 1993 ...STRONG THUNDERSTORMS MOVING ACROSS SOUTHWEST METRO-DENVER... AT 1230 PM MDT...DOPPLER RADAR SHOWED THAT STRONG THUNDERSTORMS HAD RAPIDLY DEVELOPED OVER SOUTHWEST METRO-DENVER. THIS ACTIVITY WAS MOVING EAST AT 15 MPH. IF YOU ARE IN LAKEWOOD...ENGLEWOOD...LITTLETON AND OTHER PARTS OF SOUTHWEST DENVER...BE PREPARED TO TAKE COVER FROM STRONXG WINDS...INTENSE LIGHTNING AND LOCALLY HEAVY RAIN. SOME HAIL IS ALSO LIKELY. DULONG
Special weather statement, Jul 12, 1:39 PM MDT, 54 minutes before
COZ011-012-122030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 140 PM MDT MON JUL 12 1993 ...NUMEROUS THUNDERSTORMS FROM SOUTHERN METRO-DENVER INTO CENTRAL ADAMS AND ARAPAHOE COUNTIES...DEVELOPING EASTWARD... AT 135 PM MDT...DOPPLER RADAR SHOWED WIDESPREAD THUNDERSTORMS...SOME STRONG...ACROSS DOUGLAS COUNTY INTO CENTRAL ADAMS AND ARAPAHOE COUNTIES. THE STRONGEST STORMS WERE LOCATED NEAR CASTLE ROCK AND NORTH OF STRASBURG. FUNNEL CLOUDS HAVE BEEN REPORTED WITH BOTH OF THESE STORMS. THIS ACTIVITY IS EXPECTED TO INTENSIFY AS IT MOVES INTO EASTERN DOUGLAS COUNTY...EASTERN ADAMS AND ARAPAHOE COUNTIES. STAY TUNED TO NOAA WEATHER RADIO OR OTHER LOCAL MEDIA FOR UPDATES AND POTENTIAL WARNINGS. DULONG
Special weather statement, Jul 12, 1:40 PM MDT, 53 minutes before
COZ011-012-122030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 140 PM MDT MON JUL 12 1993 ...NUMEROUS THUNDERSTORMS FROM SOUTHERN METRO-DENVER INTO CENTRAL ADAMS AND ARAPAHOE COUNTIES...DEVELOPING EASTWARD... AT 135 PM MDT...DOPPLER RADAR SHOWED WIDESPREAD THUNDERSTORMS...SOME STRONG...ACROSS DOUGLAS COUNTY INTO CENTRAL ADAMS AND ARAPAHOE COUNTIES. THE STRONGEST STORMS WERE LOCATED NEAR CASTLE ROCK AND NORTH OF STRASBURG. FUNNEL CLOUDS HAVE BEEN REPORTED WITH BOTH OF THESE STORMS. THIS ACTIVITY IS EXPECTED TO INTENSIFY AS IT MOVES INTO EASTERN DOUGLAS COUNTY...EASTERN ADAMS AND ARAPAHOE COUNTIES. STAY TUNED TO NOAA WEATHER RADIO OR OTHER LOCAL MEDIA FOR UPDATES AND POTENTIAL WARNINGS. DULONG
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 12, 1:43 PM MDT | Tornado Warning | BOU | Adams, Arapahoe | 32 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.