Alert archive / Colorado / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 59, NWS Denver/Boulder, CO

June 22, 1995Weld County, Colorado

NWS Denver/Boulder, CO issued this severe thunderstorm warning at Jun 22, 1995, 5:37 PM MDT for Weld County, Colorado. It was in force for 53 min.

The area

The counties it named.

The facts

Issued
Jun 22, 1995, 5:37 PM MDT (23:37 UTC)
Expired
Jun 22, 1995, 6:30 PM MDT
In force
53 min
Issued by
NWS Denver/Boulder, CO
Area
Whole counties

County Weld County, CO

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 11.6 hours before the alert went out and 125 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 1995-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 123 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 1995-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -48 square meters per square second.193958Sfc1 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
123 J/kg
Mixed-layer CIN
-351 J/kg
Mixed-layer LCL
1321 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
-48 m²/s²
0-3 km storm-relative helicity
102 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 22, 3:59 PM MDT, 1 hour 38 minutes before
COZ034>035-038>039-042>043-222300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
359 PM MDT THU JUN 22 1995

AT 355 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A STRONG THUNDERSTORM ON THE WYOMING/COLORADO STATE LINE 7 MILES NORTH
OF ROCKPORT...OR ABOUT 32 MILES NORTHEAST OF FORT COLLINS.  OTHER
THUNDERSTORMS WERE DEVELOPING IN NORTHWEST WELD COUNTY...AND
EASTERN LARIMER COUNTY.  ALL THE STORMS HAVE BEEN MOVING TO THE
EAST NORTHEAST AT 10 MPH.

THESE STORMS ARE ASSOCIATED WITH A WEAK WEATHER DISTURBANCE IN
THE UPPER ATMOSPHERE.  EXPECT STORMS TO CONTINUE DEVELOPING OVER
THE NORTHERN FRONT RANGE AND MOVING NORTHEAST INTO WELD AND ADAMS
COUNTIES THROUGH 530PM...AND EASTWARD AFTER 530PM.  SOME STORMS THIS
EVENING WILL BECOME SEVERE.

RTG
LAT...LON 3994 10512 3998 10567 4099 10495 4101 10461
Special weather statement, Jun 22, 4:01 PM MDT, 1 hour 36 minutes before
COZ034>035-038>039-042>043-222300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
359 PM MDT THU JUN 22 1995

AT 355 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A STRONG THUNDERSTORM ON THE WYOMING/COLORADO STATE LINE 7 MILES NORTH
OF ROCKPORT...OR ABOUT 32 MILES NORTHEAST OF FORT COLLINS.  OTHER
THUNDERSTORMS WERE DEVELOPING IN NORTHWEST WELD COUNTY...AND
EASTERN LARIMER COUNTY.  ALL THE STORMS HAVE BEEN MOVING TO THE
EAST NORTHEAST AT 10 MPH.

THESE STORMS ARE ASSOCIATED WITH A WEAK WEATHER DISTURBANCE IN
THE UPPER ATMOSPHERE.  EXPECT STORMS TO CONTINUE DEVELOPING OVER
THE NORTHERN FRONT RANGE AND MOVING NORTHEAST INTO WELD AND ADAMS
COUNTIES THROUGH 530PM...AND EASTWARD AFTER 530PM.  SOME STORMS THIS
EVENING WILL BECOME SEVERE.

RTG
LAT...LON 3994 10512 3998 10567 4099 10495 4101 10461

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 21, 6:12 PM MDTSevere Thunderstorm WarningBOUWashington33 min
Jun 21, 7:04 PM MDTSevere Thunderstorm WarningBOUWashington26 min
Jun 22, 4:40 PM MDTSevere Thunderstorm WarningBOUDouglas, Elbert35 min
Jun 22, 4:50 PM MDTTornado WarningBOUDouglas, Elbert25 min
Jun 22, 4:55 PM MDTSevere Thunderstorm WarningBOUWeld50 min
Jun 22, 5:44 PM MDTSevere Thunderstorm WarningBOUArapahoe, Douglas36 min
Jun 22, 5:44 PM MDTSevere Thunderstorm WarningBOUDenver36 min
Jun 22, 5:54 PM MDTSevere Thunderstorm WarningBOUSedgwick36 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.