Alert archive / Colorado / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 35, NWS Denver/Boulder, CO

June 3, 1995Washington County, Colorado

NWS Denver/Boulder, CO issued this severe thunderstorm warning at Jun 3, 1995, 3:32 PM MDT for Washington County, Colorado. It was in force for 43 min.

The area

The counties it named.

The facts

Issued
Jun 3, 1995, 3:32 PM MDT (21:32 UTC)
Expired
Jun 3, 1995, 4:15 PM MDT
In force
43 min
Issued by
NWS Denver/Boulder, CO
Area
Whole counties

County Washington County, CO

The radar

The Denver radar (KFTG), 117 km from the middle of the area, began a volume at 21:36 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 (KDNR), launched 12:00Z, 9.5 hours before the alert went out and 11 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.

Skew-T log-pSkew-T log-p diagram, Denver, CO at 12:00Z on 1995-06-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 78 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 12:00Z on 1995-06-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 104 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
78 J/kg
Mixed-layer CIN
-152 J/kg
Mixed-layer LCL
1004 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
104 m²/s²
0-3 km storm-relative helicity
68 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KDEN 032134 RRA
SVRDEN
COC121-032215-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DENVER CO
332 PM MDT SAT JUN 03 1995

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A SEVERE
THUNDERSTORM WARNING EFFECTIVE UNTIL 415 PM MDT FOR PEOPLE IN
THE FOLLOWING COUNTIES

IN NORTHEASTERN COLORADO
     CENTRAL WASHINGTON

INCLUDING THE FOLLOWING LOCATIONS
     AKRON...ANTON...ARICKAREE SCHOOL...BURDETT...ELBA...MIDWAY
     ...OTIS AND PLATNER

AT 332 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A SEVERE THUNDERSTORM 4 MILES EAST OF ANTON ...OR ABOUT 45
MILES NORTHEAST OF LIMON.

THE STORM WAS MOVING NORTH NORTHWEST AT 25 MPH.

IF SEVERE WEATHER APPROACHES YOUR AREA...GO INSIDE A STURDY
SHELTER AWAY FROM CREEK BEDS AND OTHER FLOOD-PRONE AREAS.
REMEMBER...A SEVERE THUNDERSTORM CAN PRODUCE LARGE DAMAGING
HAIL...DAMAGING WINDS OVER 60 MPH...DEADLY LIGHTNING...AND VERY
HEAVY RAIN.

TO REPORT SEVERE fWEATHER HAVE THE NEAREST LAW ENFORCEMENT
AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
FORECAST OFFICE IN DENVER.

END...LESZCYNSKI

LAT...LON 4043 10294 3975 10290 3973 10337 4042 10342

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, Jun 3, 11:05 AM MDT, 4 hours 27 minutes before
COZ015-030>050-067-071-072-040600-

SIGNIFICANT WEATHER OUTLOOK FOR NORTHEAST AND NORTH CENTRAL COLORADO
NATIONAL WEATHER SERVICE DENVER CO
1105 AM MDT SAT JUN 3 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: AN UPPER LEVEL LOW PRESSURE SYSTEM OVER UTAH WILL CONTINUE
CREATING UNSTABLE CONDITIONS OVER THE FORECAST AREA.  THIS COUPLED WITH
PLENTY OF AVAILABLE MOISTURE WILL MAKE FOR ANOTHER ROUND OF WIDESPREAD
SHOWERS AND THUNDERSTORMS THIS AFTERNOON AND EVENING.

THE UPPER WINDS RESPONSIBLE FOR STEARING THE THUNDERSTORMS WILL BE
RATHER LIGHT THIS AFTERNOON AND EVENING...SO THE MAIN WEATHER THREAT
TODAY WILL BE FLASH FLOODING WITH THE SLOW MOVING STORMS AND ALREADY
SATURATED GROUND.

THUNDERSTORMS ARE EXPECTED TO DEVELOP OVER THE HIGH COUNTRY JUST
AFTER THE NOON HOUR...THEN SPREAD EASTWARD OVER THE PLAINS BY 2 TO 4 PM.
ALTHOUGH WIDESPREAD SEVERE WEATHER IS NOT EXPECTED...SOME STORMS COULD
BECOME SEVERE AND SPOTTER ACTIVATION WILL BE REQUIRED.

RJK
Special weather statement, Jun 3, 11:06 AM MDT, 4 hours 26 minutes before
COZ015-030>050-067-071-072-040600-

SIGNIFICANT WEATHER OUTLOOK FOR NORTHEAST AND NORTH CENTRAL COLORADO
NATIONAL WEATHER SERVICE DENVER CO
1105 AM MDT SAT JUN 3 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: AN UPPER LEVEL LOW PRESSURE SYSTEM OVER UTAH WILL CONTINUE
CREATING UNSTABLE CONDITIONS OVER THE FORECAST AREA.  THIS COUPLED WITH
PLENTY OF AVAILABLE MOISTURE WILL MAKE FOR ANOTHER ROUND OF WIDESPREAD
SHOWERS AND THUNDERSTORMS THIS AFTERNOON AND EVENING.

THE UPPER WINDS RESPONSIBLE FOR STEARING THE THUNDERSTORMS WILL BE
RATHER LIGHT THIS AFTERNOON AND EVENING...SO THE MAIN WEATHER THREAT
TODAY WILL BE FLASH FLOODING WITH THE SLOW MOVING STORMS AND ALREADY
SATURATED GROUND.

THUNDERSTORMS ARE EXPECTED TO DEVELOP OVER THE HIGH COUNTRY JUST
AFTER THE NOON HOUR...THEN SPREAD EASTWARD OVER THE PLAINS BY 2 TO 4 PM.
ALTHOUGH WIDESPREAD SEVERE WEATHER IS NOT EXPECTED...SOMJE STORMS COULD
BECOME SEVERE AND SPOTTER ACTIVATION WILL BE REQUIRED.

RJK
Special weather statement, Jun 3, 1:44 PM MDT, 1 hour 48 minutes before
COZ036-032025-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
144 PM MDT SAT JUN 03 1995

...THUNDERSTORMS IN SOUTHERN JEFFERSON COUNTY...

AT 142 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG
THUNDERSTORM OVER SOUTHERN JEFFERSON AND SOUTHWESTERN DOUGLAS COUNTIES.
THE STORM WAS MOVING SLOWLY NORTH AT 5 TO 10 MPH.  SPOTTERES REPORTED
HEAVY RAIN AND SMALL HAIL WITH THIS STORM.

PEOPLE IN ASPEN PARK...BAILEY...BUFFALO CREEK...CHEESMAN RESERVOIR...
SHAFFERS CROSSING...SHAWNEE...SOUTH PLATTE...SPRUCEWOOD...DECKERS...AND
WELLINGTON LAKE SHOULD BE ALERT FOR THE POTENTIAL OF SEVERE WEATHER WITH
THIS STORM.

A FLASH FLOOD WATCH IS IN EFFECT FOR THIS AREA THROUGH MIDNIGHT TONIGHT.
BE ALERT FOR RISING WATER IN STREAMS AND RIVERS AND PREPARE TO MOVE TO
HIGHER GROUND.

RJK
Special weather statement, Jun 3, 1:46 PM MDT, 1 hour 46 minutes before
COZ036-032025-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
144 PM MDT SAT JUN 03 1995

...THUNDERSTORMS IN SOUTHERN JEFFERSON COUNTY...

AT 142 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG
THUNDERSTORM OVER SOUTHERN JEFFERSON AND SOUTHWESTERN DOUGLAS COUNTIES.
THE STORM WAS MOVING SLOWLY NORTH AT 5 TO 10 MPH.  SPOTTERES REPORTED
HEAVY RAIN AND SMALL HAIL WITH THIS STORM.

PEOPLE IN ASPEN PARK...BAILEY...BUFFALO CREEK...CHEESMAN RESERVOIR...
SHAFFERS CROSSING...SHAWNEE...SOUTH PLATTE...SPRUCEWOOD...DECKERS...AND
WELLINGTON LAKE SHOULD BE ALERT FOR THE POTENTIAL OF SEVERE WEATHER WITH
THIS STORM.

A FLASH FLOOD WATCH IS IN EFFECT FOR THIS AREA THROUGH MIDNIGHT TONIGHT.
BE ALERT FOR RISING WATER IN STREAMS AND RIVERS AND PREPARE TO MOVE TO
HIGHER GROUND.

RJK
Special weather statement, Jun 3, 2:24 PM MDT, 1 hour 8 minutes before
COZ040>041-043-032100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
225 PM MDT SAT JUN 03 1995

...THUNDERSTORMS DEVELOPING RAPIDLY ACROSS THE EASTERN URBAN CORRIDOR...

AT 2:22 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATING A LINE OF
THUNDERSTORMS DEVELOPING FROM WESTERN ARAPAHOE THROUGH EASTERN DENVER
INTO SOUTHCENTRAL WELD COUNTIES...INCLUDING DENVER INTERNATIONAL
AIRPORT.

THESE STORMS WILL PRODUCE HEAVY RAINS AND SMALL HAIL AS THEY MOVE
NORTHWARD AT 10 TO 15 MPH.  PEA SIZED HAIL WAS REPORTED AT I-225 AND
TAMARAC IN THE SOUTHEAST METRO AREA.

A FLASSH FLOOD WATCH IS IN EFFECT FOR THE ENTIRE METRO AREA THROUGH
MIDNIGHT TONIGHT...FOR HEAVY RAINS ARE LIKLEY.

8RJK
Special weather statement, Jun 3, 2:25 PM MDT, 1 hour 7 minutes before
COZ040>041-043-032100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
225 PM MDT SAT JUN 03 1995

...THUNDERSTORMS DEVELOPING RAPIDLY ACROSS THE EASTERN URBAN CORRIDOR...

AT 2:22 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATING A LINE OF
THUNDERSTORMS DEVELOPING FROM WESTERN ARAPAHOE THROUGH EASTERN DENVER
INTO SOUTHCENTRAL WELD COUNTIES...INCLUDING DENVER INTERNATIONAL
AIRPORT.

THESE STORMS WILL PRODUCE HEAVY RAINS AND SMALL HAIL AS THEY MOVE
NORTHWARD AT 10 TO 15 MPH.  PEA SIZED HAIL WAS REPORTED AT I-225 AND
TAMARAC IN THE SOUTHEAST METRO AREA.

A FLASSH FLOOD WATCH IS IN EFFECT FOR THE ENTIRE METRO AREA THROUGH
MIDNIGHT TONIGHT...FOR HEAVY RAINS ARE LIKLEY.

RJK

The office that day

Everything else NWS Denver/Boulder, CO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 2, 6:15 PM MDTSevere Thunderstorm WarningBOUAdams, Weld30 min
Jun 2, 6:30 PM MDTSevere Thunderstorm WarningBOUAdams, Weld45 min
Jun 3, 2:31 PM MDTTornado WarningBOUAdams, Weld29 min
Jun 3, 2:41 PM MDTTornado WarningBOUDouglas34 min
Jun 3, 3:11 PM MDTTornado WarningBOUAdams, Arapahoe, Denver34 min
Jun 3, 3:25 PM MDTSevere Thunderstorm WarningBOUDouglas35 min
Jun 3, 3:38 PM MDTTornado WarningBOUDouglas37 min
Jun 3, 4:23 PM MDTSevere Thunderstorm WarningBOUWashington22 min
Jun 3, 4:23 PM MDTSevere Thunderstorm WarningBOUMorgan37 min
Jun 3, 5:15 PM MDTSevere Thunderstorm WarningBOUArapahoe, Elbert35 min
Jun 3, 5:17 PM MDTTornado WarningBOUAdams43 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; radar from the NEXRAD Level II archive.