Alert archive / Colorado / Tornado Warnings in 1998

Tornado Warning 8, NWS Denver/Boulder, CO

May 24, 1998Lincoln County, Colorado

NWS Denver/Boulder, CO issued this tornado warning at May 24, 1998, 3:15 PM MDT for Lincoln County, Colorado. It was in force for 30 min. 1 report came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued
May 24, 1998, 3:15 PM MDT (21:15 UTC)
Expired
May 24, 1998, 3:45 PM MDT
In force
30 min
Issued by
NWS Denver/Boulder, CO
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Lincoln County, CO

What was reported inside it

TimeReportWhereRemark
May 24, 3:32 PM MDTHail 2.5Karval, CO

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 24, 1:00 PM MDTTornado WatchSPC6 hr

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 9.3 hours before the alert went out and 140 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 1998-05-24Temperature 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 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 12:00Z on 1998-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1490 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
47 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.

464 
WFUS1 KDEN 242114 RRA
TORDEN
COC073-242145-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DENVER CO
315 PM MDT SUN MAY 24 1998

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A

* TORNADO WARNING FOR...
     SOUTHWESTERN LINCOLN COUNTY IN EAST CENTRAL COLORADO

* UNTIL 345 PM MDT

* AT 310 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  THUNDERSTORM WITH A POSSIBLE TORNADO 18 MILES NORTHWEST OF
  FORDER...OR ABOUT 38 MILES SOUTHWEST OF LIMON...MOVING SOUTHEAST AT
  20 MILES PER HOUR.

* LOCATIONS IN THE WARNING INCLUDE...FORDER. 

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 PM MDT FOR SOUTHEAST
COLORADO.

LAT...LON 3885 10403 3853 10403 3853 10367 3885 10370

KLEYLA

The office that day

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

IssuedProductOfficeCountiesLasted
May 24, 10:16 AM MDTSevere Thunderstorm WarningBOULincoln, Washington44 min
May 24, 10:16 AM MDTSevere Thunderstorm WarningBOUElbert44 min
May 24, 10:59 AM MDTSevere Thunderstorm WarningBOUElbert, Lincoln46 min
May 24, 10:59 AM MDTSevere Thunderstorm WarningBOUWashington46 min
May 24, 1:03 PM MDTSevere Thunderstorm WarningBOUArapahoe, Douglas, Elbert42 min
May 24, 1:34 PM MDTTornado WarningBOUArapahoe26 min
May 24, 1:55 PM MDTTornado WarningBOUAdams35 min
May 24, 2:16 PM MDTSevere Thunderstorm WarningBOUElbert49 min
May 24, 2:37 PM MDTSevere Thunderstorm WarningBOUWeld38 min
May 24, 3:07 PM MDTSevere Thunderstorm WarningBOUElbert, Lincoln38 min
May 24, 3:44 PM MDTTornado WarningBOULincoln31 min
May 24, 4:18 PM MDTSevere Thunderstorm WarningBOULincoln27 min

Nearby

Tornado Warnings in Colorado, 1998Every tornado warning in 1998Tornadoes in 1998

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.