Alert archive / Colorado / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 69, NWS Denver/Boulder, CO

June 23, 1995Washington County, Colorado

NWS Denver/Boulder, CO issued this severe thunderstorm warning at Jun 23, 1995, 3:26 PM MDT for Washington County, Colorado. It was in force for 24 min.

The area

The counties it named.

The facts

Issued: Jun 23, 1995, 3:26 PM MDT (21:26 UTC)
Expired: Jun 23, 1995, 3:50 PM MDT
In force: 24 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 21:29 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, 9.4 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 3 J/kg
Mixed-layer CIN: -97 J/kg
Mixed-layer LCL: 1596 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: -87 m²/s²
0-3 km storm-relative helicity: -52 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 232128 RRA
SVRDEN
COC121-232150-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DENVER CO
326 PM MDT FRI JUN 23 1995

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A SEVERE
THUNDERSTORM WARNING EFFECTIVE UNTIL 350 PM MDT FOR PEOPLE IN
THE FOLLOWING COUNTIES

IN NORTHEASTERN COLORADO
     NORTHEASTERN WASHINGTON

INCLUDING THE FOLLOWING LOCATIONS
     BURDETT AND LONE STAR

AT 326 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A SEVERE THUNDERSTORM 3 MILES NORTH OF BURDETT ...OR ABOUT 22
MILES SOUTHEAST OF STERLING.

THE STORM WAS MOVING TO THE SOUTHEAST AT 10 MPH.

HEAVY RAIN MAY CAUSE LOCAL FLOODING OF HIGHWAYS...SMALL STREAMS AND
LOW LYING OR FLOOD PRONE AREAS.   

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

GARD...WSFO DENVER
LAT...LON 4020 10286 4030 10308 4042 10307 4043 10279
R          4028 10279

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 23, 1:30 PM MDT, 1 hour 56 minutes before

COZ048-232015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
130 PM MDT FRI JUN 23 1995

...STRONG THUNDERSTORMS CONTINUE OVER NORTHWEST LOGAN COUNTY...

AT 128 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A STRONG THUNDERSTORM 5 MILES NORTHWEST OF NORTH STERLING RESERVOIR ...
OR ABOUT 14 MILES NORTHWEST OF STERLING.  THE STORM WAS MOVING TO THE
EAST AT 5 MPH.

ALL PEOPLE IN NORTHWEST LOGAN COUNTY COLORADO...
INCLUDING THE FOLLOWING LOCATIONS
     NORTH STERLING RESERVOIR...PADRONI AND PEETZ
SHOULD BE ALERT FOR STRONG GUSTY WINDS...HAIL...BRIEF HEAVY RAIN...
AND FREQUENT DANGEROUS LIGHTNING FROM THESE STORMS UNTIL 215 PM MDT
THIS AFTERNOON.

GARD...WSFO DENVER
LAT...LON 4068 10318 4066 10341 4101 10349 4100 10300

Special weather statement, Jun 23, 1:31 PM MDT, 1 hour 55 minutes before

COZ048-232015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
130 PM MDT FRI JUN 23 1995

...STRONG THUNDERSTORMS CONTINUE OVER NORTHWEST LOGAN COUNTY...

AT 128 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A STRONG THUNDERSTORM 5 MILES NORTHWEST OF NORTH STERLING RESERVOIR ...
OR ABOUT 14 MILES NORTHWEST OF STERLING.  THE STORM WAS MOVING TO THE
EAST AT 5 MPH.

ALL PEOPLE IN NORTHWEST LOGAN COUNTY COLORADO...
INCLUDING THE FOLLOWING LOCATIONS
     NORTH STERLING RESERVOIR...PADRONI AND PEETZ
SHOULD BE ALERT FOR STRONG GUSTY WINDS...HAIL...BRIEF HEAVY RAIN...
AND FREQUENT DANGEROUS LIGHTNING FROM THESE STORMS UNTIL 215 PM MDT
THIS AFTERNOON.

GARD...WSFO DENVER
LAT...LON 4068 10318 4066 10341 4101 10349 4100 10300

Special weather statement, Jun 23, 1:59 PM MDT, 1 hour 27 minutes before

COZ048-232045-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
200 PM MDT FRI JUN 23 1995

...STRONG THUNDERSTORMS NORTH OF STERLING COLORADO...

AT 155 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A STRONG THUNDERSTORM 2 MILES NORTHEAST OF PADRONI ...OR ABOUT 11
MILES NORTH OF STERLING.  THE STORM WAS MOVING TO THE EAST
AT 5 TO 10 MPH.

ALL PEOPLE IN NORTH CENTRAL LOGAN COUNTY COLORADO...
INCLUDING THE FOLLOWING LOCATIONS
     ILIFF...LOGAN CORNERS...NORTH STERLING RESERVOIR...PADRONI
     ...PAWNEE PASS...PEETZ...PROCTOR AND STERLING
SHOULD BE ALERT FOR STRONG GUSTY WINDS...HAIL AND FREQUENT DANGEROUS
LIGHTNING.  HEAVY RAIN MAY CAUSE LOCAL FLOODING OF HIGHWAYS A.ND
LOW LYING OR FLOOD PRONE AREAS.

GARD...WSFO DENVER
LAT...LON 4062 10302 4061 10354 4099 10325 4099 10279

Special weather statement, Jun 23, 2:00 PM MDT, 1 hour 26 minutes before

COZ048-232045-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
200 PM MDT FRI JUN 23 1995

...STRONG THUNDERSTORMS NORTH OF STERLING COLORADO...

AT 155 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A STRONG THUNDERSTORM 2 MILES NORTHEAST OF PADRONI ...OR ABOUT 11
MILES NORTH OF STERLING.  THE STORM WAS MOVING TO THE EAST
AT 5 TO 10 MPH.

ALL PEOPLE IN NORTH CENTRAL LOGAN COUNTY COLORADO...
INCLUDING THE FOLLOWING LOCATIONS
     ILIFF...LOGAN CORNERS...NORTH STERLING RESERVOIR...PADRONI
     ...PAWNEE PASS...PEETZ...PROCTOR AND STERLING
SHOULD BE ALERT FOR STRONG GUSTY WINDS...HAIL AND FREQUENT DANGEROUS
LIGHTNING.  HEAVY RAIN MAY CAUSE LOCAL FLOODING OF HIGHWAYS AND
LOW LYING OR FLOOD PRONE AREAS.

GARD...WSFO DENVER
LAT...LON 4062 10302 4061 10354 4099 10325 4099 10279

Special weather statement, Jun 23, 2:50 PM MDT, 36 minutes before

COZ048>049-232130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
250 PM MDT FRI JUN 23 1995

...STRONG THUNDERSTORMS OVER SOUTHERN LOGAN COUNTY COLORADO...

AT 246 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A STRONG THUNDERSTORM 14 MILES NORTHWEST OF BURDETT ...OR ABOUT 11
MILES SOUTHEAST OF STERLING.  THE STORM WAS MOVING TO THE SOUTHEAST
AT 5 TO 10 MPH.

ALL  PEOPLE SOUTHERN LOGAN COUNTY AND NORTHERN WASHINGTON COUNTY
OF COLORADO INCLUDING THE FOLLOWING LOCATIONS...
     BURDETT AND ST PETERS
SHOULD BE ALERT FOR HAIL...STRONG GUSTY WINDS AND FREQUENT DANGEROUS
LIGHTNING UNTIL 330 PM MDT THIS AFTERNOON.  BRIEF HEAVY RAIN MAY
CAUSE LOCAL FLOODING OF HIGHWAYS...SMALL STREAMS AND LOW LYING OR
FLOOD PRONE AREAS.

A SMALL STREAM FLOOD ADVISORY REMAINS IN EFFECT FOR A LARGE PART
OF LOGAN COUNTY UNTIL 430 PM MDT THIS AFTERNOON.

GARD...WSFO DENVER
LAT...LON 4025 10295 4043 10322 4066 10307 4066 10270

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D.THRU 7 PM...SCAED THUNDERSTORMS`WWUS

3U^WSUSX
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AFTER 7 PM...PA CLOUDY WITH A 3RCENT CHANCE FORE SHOWERS OR
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WEST 5 TO 10nZCENT CHANCE FOR gf6WWUS
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Special weather statement, Jun 23, 2:50 PM MDT, 36 minutes before

COZ048>049-232130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
250 PM MDT FRI JUN 23 1995

...STRONG THUNDERSTORMS OVER SOUTHERN LOGAN COUNTY COLORADO...

AT 246 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A STRONG THUNDERSTORM 14 MILES NORTHWEST OF BURDETT ...OR ABOUT 11
MILES SOUTHEAST OF STERLING.  THE STORM WAS MOVING TO THE SOUTHEAST
AT 5 TO 10 MPH.

ALL  PEOPLE SOUTHERN LOGAN COUNTY AND NORTHERN WASHINGTON COUNTY
OF COLORADO INCLUDING THE FOLLOWING LOCATIONS...
     BURDETT AND ST PETERS
SHOULD BE ALERT FOR HAIL...STRONG GUSTY WINDS AND FREQUENT DANGEROUS
LIGHTNING UNTIL 330 PM MDT THIS AFTERNOON.  BRIEF HEAVY RAIN MAY
CAUSE LOCAL FLOODING OF HIGHWAYS...SMALL STREAMS AND LOW LYING OR
FLOOD PRONE AREAS.

A SMALL STREAM FLOOD ADVISORY REMAINS IN EFFECT FOR A LARGE PART
OF LOGAN COUNTY UNTIL 430 PM MDT THIS AFTERNOON.

GARD...WSFO DENVER
LAT...LON 4025 10295 4043 10322 4066 10307 4066 10270

b.6&""3U^WSUSX
qI`WWUS$
7q4WSUSbB
i`WWUS
4nXWUUSJ
:a`WWUS
X0XWSUS^
8<q`WWUS
$36WWUSd
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6WWUS
D.THRU 7 PM...SCAED THUNDERSTORMS`WWUS

3U^WSUSX
`
AFTER 7 PM...PA CLOUDY WITH A 3RCENT CHANCE FORE SHOWERS OR
T6WWUS<
4WUUS2
WEST 5 TO 10nZCENT CHANCE FOR gf6WWUS
Hj|WUUS8
Bq`WWUS
Ei`WWUS
du6WWUSz
<15 MPH.
.SATURe6WWUS@
NCE FOR EVEN{bWUUST
d`WWUSh
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$OWER 60S.  RAIN bvWUUS
4XWOUSD
b@WEPAt
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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 22, 6:27 PM MDT	Severe Thunderstorm Warning	BOU	Adams, Arapahoe, Denver	33 min
Jun 22, 6:27 PM MDT	Severe Thunderstorm Warning	BOU	Weld	38 min
Jun 22, 6:35 PM MDT	Severe Thunderstorm Warning	BOU	Sedgwick	40 min
Jun 22, 7:17 PM MDT	Severe Thunderstorm Warning	BOU	Weld	43 min
Jun 22, 7:52 PM MDT	Severe Thunderstorm Warning	BOU	Larimer, Weld	53 min
Jun 23, 2:56 PM MDT	Severe Thunderstorm Warning	BOU	Logan, Washington	34 min
Jun 23, 3:47 PM MDT	Severe Thunderstorm Warning	BOU	Washington	28 min

Nearby

Severe Thunderstorm Warnings in Colorado, 1995 Every 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.