Alert archive / Colorado / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 19, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this severe thunderstorm warning at May 20, 1995, 3:48 PM MDT for Adams County, Arapahoe County, Colorado. It was in force for 42 min.
The area
The counties it named.
The facts
- Issued
- May 20, 1995, 3:48 PM MDT (21:48 UTC)
- Expired
- May 20, 1995, 4:30 PM MDT
- In force
- 42 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Whole counties
Counties Adams County, CO, Arapahoe County, CO
The nearest sounding before it
Denver, CO (KDNR), launched 12:00Z, 9.8 hours before the alert went out and 95 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 702 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 128 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KDEN 202149
SVRDEN
COC001-005-202230-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DENVER CO
348 PM MDT SAT MAY 20 1995
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A SEVERE
THUNDERSTORM WARNING EFFECTIVE UNTIL 430 PM MDT FOR PEOPLE IN
THE FOLLOWING COUNTIES
IN NORTHEASTERN COLORADO
SOUTH CENTRAL ADAMS AND NORTH CENTRAL ARAPAHOE
INCLUDING THE FOLLOWING LOCATIONS
BENNETT...BYERS...COUNTRY GARDENS...DEER TRAIL...MANILA
VILLAGE AND STRASBURG
AT 348 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A SEVERE THUNDERSTORM OVER MANILA VILLAGE ...OR ABOUT 22 MILES
EAST OF DENVER.
AMATEUR RADIO WEATHER SPOTTERS REPORTED 3/4 INCH DIAlMETER HAIL ABOUT
3 MILES SOUTH OF BENNET.
THE STORM WAS MOVING TO THE EAST ABOUT 20 MPH.
TO REPORT SEVERE WEATHER HAVE THE NEAREST LAW ENFORCEMENT
AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
FORECAST OFFICE IN DENVER.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, May 20, 10:43 AM MDT, 5 hours 5 minutes before
COZ015-030>050-067-071-072-DD0600- SIGNIFICANT WEATHER OUTLOOK FOR NORTHEAST AND NORTH CENTRAL COLORADO NATIONAL WEATHER SERVICE DENVER CO 1100 AM MDT DDD MMM DD 1995 THIS OUTLOOK PERTAINS TO THE FOLLOWING COLORADO COUNTIES ADAMS ARAPAHOE BOULDER CLEAR CREEK DENVER DOUGLAS ELBERT EL PASO GILPIN GRAND JACKSON JEFFERSON LAKE LARIMER LINCOLN LOGAN MORGAN PARK PHILLIPS SEDGWICK SUMMIT TELLER WASHINGTON WELD SYNOPSIS: LOW PRESSURE OVR THE MTNS AND HIGHS PRESSURE IN NEBRASKA WILL CAUSE SOUTHERLY WINDS ACROSS THE AREAS BRINGING WITH THEM ADDITIONAL MOISTURE FOR THE AREA. THIS AND AND AN UPPER LEVEL DISTURBANCE WILL TRIGGER SOME THUNDERSTORMS THIS AFTERNOON. BY LATE AFTERNOON NEAR THE FOOTHILLS SOME OF THESE STORMS COULD REACH SEVERE LIMITS. IN THE NORTHEAST CORNER OF THE STATE AN ISOLATED STORM MAY REACH SEVERE LIMITS LATE IN THE DAY. SPOTTER ACTIVATION WILL LIKELY BE REQUIRED AFTER 3 PM NEAR THE FOOTHILLS AND MAY BE REQUIRED FARTHER EAST BY 5 PM. ANDERSEN
Special weather statement, May 20, 10:45 AM MDT, 5 hours 3 minutes before
COZ015-030>050-067-071-072-210600- SIGNIFICANT WEATHER OUTLOOK FOR NORTHEAST AND NORTH CENTRAL COLORADO NATIONAL WEATHER SERVICE DENVER CO 1100 AM MDT SAT MAY 20 1995 THIS OUTLOOK PERTAINS TO THE FOLLOWING COLORADO COUNTIES ADAMS ARAPAHOE BOULDER CLEAR CREEK DENVER DOUGLAS ELBERT EL PASO GILPIN GRAND JACKSON JEFFERSON LAKE LARIMER LINCOLN LOGAN MORGAN PARK PHILLIPS SEDGWICK SUMMIT TELLER WASHINGTON WELD SYNOPSIS: LOW PRESSURE OVR THE MTNS AND HIGHS PRESSURE IN NEBRASKA WILL CAUSE SOUTHERLY WINDS ACROSS THE AREAS BRINGING WITH THEM ADDITIONAL MOISTURE FOR THE AREA. THIS AND AND AN UPPER LEVEL DISTURBANCE WILL TRIGGER SOME THUNDERSTORMS THIS AFTERNOON. BY LATE AFTERNOON NEAR THE FOOTHILLS SOME OF THESE STORMS COULD REACH SEVERE LIMITS. IN THE NORTHEAST CORNER OF THE STATE AN ISOLATED STORM MAY REACH SEVERE LIMITS LATE IN THE DAY. SPOTTER ACTIVATION WILL LIKELY BE REQUIRED AFTER 3 PM NEAR THE FOOTHILLS AND MAY BE REQUIRED FARTHER EAST BY 5 PM. ANDERSEN
Special weather statement, May 20, 12:50 PM MDT, 2 hours 58 minutes before
COZ036-041-201915- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 1248 PM MDT SAT MAY 20 1995 ...STRONG THUNDERSTORM IN DOUGLAS COUNTY... AT 1248 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A THUNDERSTORM 3 MILES NORTH OF PERRY PARK ...OR ABOUT 30 MILES SOUTH OF DENVER. THE STORM WAS MOVING EAST AT 25 MPH. IF YOU ARE IN THE PATH OF THIS STORM SEEK SHELTER AWAY FROM WINDOWS. LISTEN TO NOAA WEATHER RADIO FOR FURTH|ER UPDATES. LAT...LON 3919 10476 3919 10514 3941 10514 3941 10472
Special weather statement, May 20, 1:19 PM MDT, 2 hours 29 minutes before
COZ036-041-201945- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 117 PM MDT SAT MAY 20 1995 ...STRONG STORM IN DOUGLAS COUNTY WILL MOVE OUT OF THE AREA BY 1:30 PM... AT 117 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A THUNDERSTORM 4 MILES SOUTH OF LARKSPUR ...OR ABOUT 24 MILES NORTH OF COLORADO SPRINGS. HEAVY DOWNPOURS AND SMALL HAIL CAN BE EXPECTED FROM THIS STORM AS IT MOVES TO THE SOUTWEST AT 18 MPH. IF YOU ARE IN THE PATH OF THIS STORM SEEK SHELTER UNTIL THE STORM PASSES. ANDERSEN LAT...LON 3912 10467 3913 10511 3928 10502 3929 10473
Special weather statement, May 20, 2:11 PM MDT, 1 hour 37 minutes before
COZ041-046-202045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 208 PM MDT SAT MAY 20 1995 ...STRONG THUNDERSTORMS OCCURING IN ELBERT COUNTY... AT 208 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A THUNDERSTORM 25 MILES WEST OF LIMON. AMATEUR RADIO WEATHER SPOTTERS REPORTED HAVE REPORTED A FUNNEL CLOUD WEST OF AGATE. HOWEVER THE FUNNEL HAS MOVED BACK UP INTO THE STORM. BRIEF DOWNPOURS AND SMALL HAIL ARE POSSIBLE WITH THIS STORM AS IT MOVES TO THE EAST SOUTHEAST AT 20 MPH. TAKE SHELTER IF YOU ARE IN THE PATH OF THIS STORM. ANDERSEN LAT...LON 3927 10399 3928 10427 3950 10428 3950 10399
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 20, 1:32 PM MDT | Severe Thunderstorm Warning | BOU | Douglas | 20 min |
| May 20, 5:23 PM MDT | Severe Thunderstorm Warning | BOU | Larimer, Weld | 52 min |
Nearby
Severe Thunderstorm Warnings in Colorado, 1995Every severe thunderstorm warning in 1995
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.