Alert archive / Colorado / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 8, NWS Denver/Boulder, CO

May 7, 1995Adams County, Morgan County, Colorado

NWS Denver/Boulder, CO issued this severe thunderstorm warning at May 7, 1995, 4:03 PM MDT for Adams County, Morgan County, Colorado. It was in force for 42 min.

The area

The counties it named.

The facts

Issued: May 7, 1995, 4:03 PM MDT (22:03 UTC)
Expired: May 7, 1995, 4:45 PM MDT
In force: 42 min
Issued by: NWS Denver/Boulder, CO
Area: Whole counties

Counties Adams County, CO, Morgan County, CO

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 10.1 hours before the alert went out and 75 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1780 m above ground
0-6 km bulk shear: 66 kt
0-1 km storm-relative helicity: 158 m²/s²
0-3 km storm-relative helicity: 199 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KDEN 072205
SVRDEN
COC001-087-072245-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DENVER CO
403 PM MDT SUN MAY 07 1995

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A SEVERE
THUNDERSTORM WARNING EFFECTIVE UNTIL 445 PM MDT FOR PEOPLE IN
THE FOLLOWING COUNTIES

IN NORTHEASTERN COLORADO
     EASTERN ADAMS AND MORGAN

INCLUDING THE FOLLOWING LOCATIONS
     ADENA...ADENA SCHOOL...ANTELOPE SPRINGS...FORT MORGAN...
     VILLAGE...ORCHARD...SHAMROCK...TWELVE-MILE CORNER...WELDONA
     AND WIGGINS

AT 403 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A SEVERE THUNDERSTORM 8 MILES SOUTH OF SHAMROCK ...OR ABOUT 37
MILES NORTH OF LIMON.

THIS STORM WAS MOVING NORTH AT 35 MPH AND WAS LIKELY PRODUCING LARGE
HAIL.  IT WILL MOVE THROUGH SHAMROCK BY 415 PM...AND ADENA BY 430 PM.

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


LAT...LON 3977 10372 3976 10384 3976 10410 4039 10413
          4046 10371

BARJENBRUCH

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 7, 10:55 AM MDT, 5 hours 8 minutes before

COZ015-030>050-067-071-072-080600-

SIGNIFICANT WEATHER OUTLOOK FOR NORTHEAST AND NORTH CENTRAL COLORADO
NATIONAL WEATHER SERVICE DENVER CO
1100 AM MDT SUN MAY 7 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:  A STRONG LOW PRESSURE SYSTEM DEVELOPING IN SOUTHEAST COLORADO
WILL MOVE VERY SLOWLY NORTHEAST THIS AFTERNOON.  BY LATE AFTERNOON...THE
LOW PRESSURE CENTER WILL BE LOCATED NEAR LIMON.  A DRYLINE WILL EXTEND
FROM THE LOW TO NEAR LAS ANIMAS AND SPRINGFIELD.  THIS DRYLINE WILL BE
THE FOCUS FOR THUNDERSTORMS AFTER 3 PM...WITH SOME OF THESE STORMS
POSSIBLY BECOMING SEVERE.

THE BIGGEST THREAT FOR SEVERE WEATHER WILL BE EAST OF A LINE FROM AKRON
TO LIMON...AND THEN TO LAS ANIMAS.  ONCE STORMS DEVELOP...THEY WILL MOVE
TO THE NORTHEAST AT 35 TO 40 MPH.  THESE STORMS WILL HAVE THE POTENTIAL
TO PRODUCE LARGE HAIL...DAMAGING WINDS...AND ISOLATED TORNADOES.

SPOTTER ACTIVATION MAY BE REQUIRED AFTER 3 PM IN EASTERN COLORADO.

LESS INTENSE SHOWERS AND THUNDERSTORMS CAN BE EXPECTED ELSEWHERE ACROSS
NORTHEAST AND NORTH CENTRAL COLORADO.

BARJENBRUCH

Special weather statement, May 7, 12:53 PM MDT, 3 hours 10 minutes before

COZ040-041-043-045-072000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
1252 PM MDT SUN MAY 7 1995

AT 1250 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 30 MILES SOUTHEAST OF DENVER.  THIS STORM WAS MOVING
NORTH AT 40 MPH AND LIKELY CONTAINED SMALL HAIL...VERY HEAVY RAIN...AND
GUSTY WINDS UP TO 40 MPH.

BY 115 PM...THIS STORM WILL MOVE TO NEAR BENNET...AND THEN TO NEAR
KEENESBURG BY 145 PM.  D

WHEN THUNDERSTORMS APPROACH YOUR AREA...MOVE INDOORS AND STAY AWAY FROM
WINDOWS.

BARJENBRUCH

Special weather statement, May 7, 2:08 PM MDT, 1 hour 55 minutes before

COZ042-043-044-072000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
208 PM MDT SUN MAY 7 1995

AT 205 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG
THUNDERSTORMS OVER CENTRAL WELD AND WESTERN MORGAN COUNTIES.  THESE
STORMS WERE LIKELY PRODUCING MARBLE SIZED HAIL AND BRIEF HEAVY RAIN.

BY 230 PM...STRONG STORMS WILL COVER MUCH OF NORTHERN MORGAN AND THE
NORTHERN HALF OF WELD COUTNTIES...INCLUDING FORT MROGAN AND xBRIGGSDALE.

WHEN THUNDERSTORMS APPROACH YOUR AREA...MOVE INDOORS AND STAY AWAY FROM
WINDOWS.  HEAVY RAINS MAY FLOOD ROADS QUICKLY.  DO NOT DRIVE THROUGH
FLOODED AREAS.

BARJENBRUCH

Special weather statement, May 7, 2:52 PM MDT, 1 hour 11 minutes before

COZ040-072100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
252 PM MDT SUN MAY 7 1995

AT 250 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A VERY
STRONG THUNDERSTORM JUST NORTH OF PARKER.  3 MILES NORTH OF
PARKER...PEA SIZED HAIL ACCUMULATED TO THE DEPTH OF 2 INCHES.

THIS STORM WILL MOVE THROUGH THE EASTERN PORTIONS OF THE DENVER METRO
AREA BETWEEN 255 AND 330 PM.

WHEN THUNDERSTORMS APPROACH YOUR AREA...MOVE INDO ORS AND STAY AWAY FROM
WINDOWS.  HEAVY RAINS MAY FLOOD ROADS QUICKLY.  DO NOT DRIVE THROUGH
FLOODED AREAS.

BARJENBRUCH

The office that day

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

Issued	Product	Office	Counties	Lasted
May 7, 1:16 PM MDT	Severe Thunderstorm Warning	BOU	Adams, Arapahoe	29 min
May 7, 1:16 PM MDT	Severe Thunderstorm Warning	BOU	Weld	29 min
May 7, 2:17 PM MDT	Severe Thunderstorm Warning	BOU	Morgan, Weld	43 min
May 7, 2:55 PM MDT	Severe Thunderstorm Warning	BOU	Adams, Arapahoe, Denver	50 min
May 7, 3:39 PM MDT	Tornado Warning	BOU	Weld	19 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.