Alert archive / Colorado / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 13, NWS Denver/Boulder, CO

May 9, 1996Lincoln County, Colorado

NWS Denver/Boulder, CO issued this severe thunderstorm warning at May 9, 1996, 7:00 PM MDT for Lincoln County, Colorado. It was in force for 45 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 9, 1996, 7:00 PM MDT (01:00 UTC)
Expired
May 9, 1996, 7:45 PM MDT
In force
45 min
Issued by
NWS Denver/Boulder, CO
Area
Whole counties

County Lincoln County, CO

The radar

The Pueblo radar (KPUX), 82 km from the middle of the area, began a volume at 00:55 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, 1.0 hours before the alert went out and 101 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 1996-05-10Temperature 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 00:00Z on 1996-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -49 square meters per square second.1939587897117Sfc1 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
-15 J/kg
Mixed-layer LCL
554 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
-49 m²/s²
0-3 km storm-relative helicity
113 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KDEN 100100
SVRDEN
COC073-100145-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DENVER CO
700 PM MDT THU MAY 09 1996

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A SEVERE
THUNDERSTORM WARNING EFFECTIVE UNTIL 745 PM MDT FOR PEOPLE IN
THE FOLLOWING COUNTIES

IN EAST CENTRAL COLORADO
     SOUTHWESTERN LINCOLN

INCLUDING THE FOLLOWING LOCATIONS
     FORDER...KARVAL AND WILD HORSE POINT

AT 658 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A SEVERE THUNDERSTORM 14 MILES WEST OF FORDER...OR ABOUT 44
MILES SOUTH OF LIMON.

THE STORM WAS MOVING RAPIDLY TOWARD THE EAST AT 30 MPH.

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...SEVERE THUNDERSTORMS CAN
PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING.  PREPARE TO MOVE TO
A PLACE OF SAFETY IN A STURDY STRUCTURE SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM IF A TORNADO IS SPOTTED.

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

A TORNADO WATCH REMAINS IN EFFECT FOR EASTERN COLORADO UNTIL
1100PM MDT.

HOLZINGER

LAT...LON 3854 10340 3854 10401 3884 10399 3883 10337

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 9, 6:31 PM MDT, 29 minutes before
COZ040-100200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
630 AM MDT THU MAY 09 1996

...LOCAL FLOODING AND SMALL HAIL IN THE DENVER METRO AREA...

HEAVY RAIN FROM SHOWERS AND THUNDERSTORMS IN THE DENVER METRO AREA IS
CAUSING LOCAL FLOODING.  SEVERAL REPORTS OF LOCAL STREET FLOODING AND
PONDING OF WATER HAVE BEEN RECEIVED...MAINLY OVER THE NORTHERN PART OF
THE DENVER METRO AREA.

SHOWERS AND THUNDERSTORMS ARE EXPECTED TO CONTINUE THROUGH 8PM...THEN
GRADUALLY DECREASE.  USE EXTRA CAUTION IF YOU ARE DRIVING.  SLOW DOWN
TO REDUCE THE DANGER FROM WATER ON THE ROADWAYS.

HOLZINGER
Special weather statement, May 9, 6:54 PM MDT, 6 minutes before
COZ046-047-100300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
655 PM MDT THU MAY 09 1996

...STRONG THUNDERSTORMS IN LINCOLN AND EASTERN ELBERT COUNTIES...

AN AREA OF STRONG STORMS EXTENDS FROM SOUTHEASTERN ELBERT COUNTY...
ABOUT 25 MILES SOUTHWEST OF LIMON...TO EASTERN LINCOLN COUNTY...OR
30 EAST OF LIMON.

THESE THUNDERSTORMS ARE MOVING RAPIDLY TO THE EAST NORTHEAST AT 25 TO 30
MPH.  HEAVY RAIN...HAIL...STRONG GUSTY WINDS...AND FREQUENT LIGHTNING
CAN BE EXPECTED.

THERE IS THE POTENTIAL FOR LARGE HAIL...DAMAGING WINDS...AND EVEN A
TORNADO.  A TORNADO WATCH IS CONTINUING UNTIL 11PM FOR THIS AREA.

HOLZINGER

Nearby

Severe Thunderstorm Warnings in Colorado, 1996Every severe thunderstorm warning in 1996

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.