Alert archive / Colorado / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 74, NWS Denver/Boulder, CO

July 10, 1995Denver County, Colorado

NWS Denver/Boulder, CO issued this severe thunderstorm warning at Jul 10, 1995, 7:45 PM MDT for Denver County, Colorado. It was in force for 20 min.

The area

The counties it named.

The facts

Issued
Jul 10, 1995, 7:45 PM MDT (01:45 UTC)
Expired
Jul 10, 1995, 8:05 PM MDT
In force
20 min
Issued by
NWS Denver/Boulder, CO
Area
Whole counties

County Denver County, CO

The radar

The Denver radar (KFTG), 28 km from the middle of the area, began a volume at 01:47 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 00:00Z, 1.8 hours before the alert went out and 141 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 00:00Z on 1995-07-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 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 00:00Z on 1995-07-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -7 square meters per square second.1939Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3770 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
-7 m²/s²
0-3 km storm-relative helicity
-11 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 110148 RRA
SVRDEN
COC031-110215-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DENVER CO
745 PM MDT MON JUL 10 1995

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A SEVERE
THUNDERSTORM WARNING EFFECTIVE UNTIL 815 PM MDT FOR PEOPLE IN
THE FOLLOWING COUNTIES

IN NORTHEASTERN COLORADO
     CENTRAL DENVER

INCLUDING THE FOLLOWING LOCATIONS
     DENVER

AT 745 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A SEVERE THUNDERSTORM OVER DENVER. WIND GUSTS OF 60 MPH ARE POSSIBLE
WITH THIS THUNDERSTORM...HOWEVER ONLY BRIEF HEAVY RAIN IS LIKELY.

THE STORM WAS MOVING NORTHEAST AT 20 MPH.

TO REPORT SEVERE WEATHER HAVE THE NEAREST LAW ENFORCEMENT
AGENC0Y RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
FORECAST OFFICE IN DENVER.

ENTREKIN

LAT...LON 3970 10487 3970 10500 3980 10499 3982 10485

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, Jul 10, 4:55 PM MDT, 2 hours 50 minutes before
COZ043>045-102345-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
455 PM MDT MON JUL 10 1995

...STRONG THUNDERSTORM OVER SOUTHEASTERN WELD AND NORTH-CENTRAL
ADAMS COUNTY...

AT 448 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A THUNDERSTORM ABOUT 10 MILES SOUTHEAST OF ROGGEN OR ABOUT 39 MILES
SOUTHEAST OF GREELEY.

SMALL HAIL...BRIEF HEAVY RAIN...AND WIND GUSTS UP TO 45 MPH MAY
ACCOMPANY THIS STORM. THE STORM WAS MOVING SLOWLY NORTH AT 10 MPH...AND
WILL CONTINUE TO EFFECT SOUTHEASTERN WELD AND NORTH-CENTRAL ADAMS COUNTY
UNTIL 545 PM.

IF A THUNDERSTORM APPROACHES YOUR AREA MOVE INSIDE AND TAKE SHELTER
IMMEDIATELY.

ENTREKIN.

LAT...LON 3989 10409 3992 10432 4012 10428 4015 10412
Special weather statement, Jul 10, 4:57 PM MDT, 2 hours 48 minutes before
COZ043>045-102345-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
455 PM MDT MON JUL 10 1995

...STRONG THUNDERSTORM OVER SOUTHEASTERN WELD AND NORTH-CENTRAL
ADAMS COUNTY...

AT 448 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A THUNDERSTORM ABOUT 10 MILES SOUTHEAST OF ROGGEN OR ABOUT 39 MILES
SOUTHEAST OF GREELEY.

SMALL HAIL...BRIEF HEAVY RAIN...AND WIND GUSTS UP TO 45 MPH MAY
ACCOMPANY THIS STORM. THE STORM WAS MOVING SLOWLY NORTH AT 10 MPH...AND
WILL CONTINUE TO EFFECT SOUTHEASTERN WELD AND NORTH-CENTRAL ADAMS COUNTY
UNTIL 545 PM.

IF A THUNDERSTORM APPROACHES YOUR AREA MOVE INSIDE AND TAKE SHELTER
IMMEDIATELY.

ENTREKIN.

LAT...LON 3989 10409 3992 10432 4012 10428 4015 10412
Special weather statement, Jul 10, 5:20 PM MDT, 2 hours 25 minutes before
COZ043>045-102345-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
520 PM MDT MON JUL 10 1995

...STRONG THUNDERSTORM OVER EXTREME EASTERN ARAPAHOE COUNTY...

AT 515 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A THUNDERSTORM ABOUT 12 MILES EAST OF DEER TRAIL. THIS STORM HAD JUST
DEVELOPED DURING THE LAST 10 MINUTES...AND IS MOVING NORTHEAST AT 10
MPH.

SMALL HAIL...BRIEF HEAVY RAIN...AND WIND GUSTS UP TO 50 MPH MAY
ACCOMPANY THIS STORM.

ADDITIONAL THUNDERSTORMS OVER SOUTHEASTERN WELD COUNTY HAVE WEAKENED
DURING THE LAST 10 MINUTES...HOWEVER...BRIEF HEAVY RAIN AND STRONG WIND
GUSTS ARE STILL POSSIBLE. A WIND GUST OF 52 MPH WAS REPORTED AT BYERS
DURING THE LAST HOUR.

IF A THUNDERSTORM APPROACHES YOUR AREA MOVE INSIDE AND TAKE SHELTER
IMMEDIATELY.

ENTREKIN.
Special weather statement, Jul 10, 5:22 PM MDT, 2 hours 23 minutes before
COZ043>045-102345-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
520 PM MDT MON JUL 10 1995

...STRONG THUNDERSTORM OVER EXTREME EASTERN ARAPAHOE COUNTY...

AT 515 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A THUNDERSTORM ABOUT 12 MILES EAST OF DEER TRAIL. THIS STORM HAD JUST
DEVELOPED DURING THE LAST 10 MINUTES...AND IS MOVING NORTHEAST AT 10
MPH.

SMALL HAIL...BRIEF HEAVY RAIN...AND WIND GUSTS UP TO 50 MPH MAY
ACCOMPANY THIS STORM.

ADDITIONAL THUNDERSTORMS OVER SOUTHEASTERN WELD COUNTY HAVE WEAKENED
DURING THE LAST 10 MINUTES...HOWEVER...BRIEF HEAVY RAIN AND STRONG WIND
GUSTS ARE STILL POSSIBLE. A WIND GUST OF 52 MPH WAS REPORTED AT BYERS
DURING THE LAST HOUR.

IF A THUNDERSTORM APPROACHES YOUR AREA MOVE INSIDE AND TAKE SHELTER
IMMEDIATELY.

ENTREKIN.
Special weather statement, Jul 10, 7:20 PM MDT, 25 minutes before
COZ040-110200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
720 PM MDT MON JUL 10 1995

...STRONG GUSTY THUNDERSTORM WINDS FROM WESTERN ADAMS SOUTHWARD TO
NORTHERN DOUGLAS COUNTY...

AT 710 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
AN AREA OF THUNDERSTORMS FROM WESTERN ADAMS SOUTHWARD INTO NORTHERN
DOUGLAS COUNTY. THIS INCLUDES THE DENVER METROPOLITAN AREA. ISOLATED
WIND GUSTS OF 40 TO 60 MPH HAVE BEEN REPORTED WITH THESE STORMS. AN
EARLIER WIND GUST OF 59 MPH CAUSED SOME WINDOW DAMAGE AT THE NATIONAL
WEATHER SERVICE OFFICE JUST EAST OF THE OLD STAPLETON AIRPORT.

HOWEVER...ONLY BRIEF HEAVY RAIN HAS BEEN COMMON WITH THESE STORMS.
THESE STORMS ARE MOVING TO THE NORTHEAST AT 15 MPH AND WILL DISSIPATE BY
815 PM.

ENTREKIN.
Special weather statement, Jul 10, 7:21 PM MDT, 24 minutes before
COZ040-110200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
720 PM MDT MON JUL 10 1995

...STRONG GUSTY THUNDERSTORM WINDS FROM WESTERN ADAMS SOUTHWARD TO
NORTHERN DOUGLAS COUNTY...

AT 710 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
AN AREA OF THUNDERSTORMS FROM WESTERN ADAMS SOUTHWARD INTO NORTHERN
DOUGLAS COUNTY. THIS INCLUDES THE DENVER METROPOLITAN AREA. ISOLATED
WIND GUSTS OF 40 TO 60 MPH HAVE BEEN REPORTED WITH THESE STORMS. AN
EARLIER WIND GUST OF 59 MPH CAUSED SOME WINDOW DAMAGE AT THE NATIONAL
WEATHER SERVICE OFFICE JUST EAST OF THE OLD STAPLETON AIRPORT.

HOWEVER...ONLY BRIEF HEAVY RAIN HAS BEEN COMMON WITH THESE STORMS.
THESE STORMS ARE MOVING TO THE NORTHEAST AT 15 MPH AND WILL DISSIPATE BY
815 PM.

ENTREKIN.

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.