Alert archive / Colorado / Tornado Warnings in 1998

Tornado Warning 9, NWS Denver/Boulder, CO

May 24, 1998Lincoln County, Colorado

NWS Denver/Boulder, CO issued this tornado warning at May 24, 1998, 3:44 PM MDT for Lincoln County, Colorado. It was in force for 31 min. 2 reports 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, 3:44 PM MDT (21:44 UTC)
Expired: May 24, 1998, 4:15 PM MDT
In force: 31 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

Time	Report	Where	Remark
May 24, 4:09 PM MDT	Hail 2	Karval, CO
May 24, 4:10 PM MDT	Hail 1.75	Karval, 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.

Issued	Product	Office	Lasted
May 24, 1:00 PM MDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 9.7 hours before the alert went out and 142 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: 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.

615 
WFUS1 KDEN 242141 RRA
TORDEN
COC073-242215-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DENVER CO
344 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 415 PM MDT

* AT 342 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
A THUNDERSTORM WITH A TORNADO 10 MILES WEST OF FORDER...OR ABOUT
40 MILES SOUTH 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 3879 10403 3853 10402 3853 10359 3881 10361

KLEYLA

The office that day

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

Issued	Product	Office	Counties	Lasted
May 24, 10:16 AM MDT	Severe Thunderstorm Warning	BOU	Lincoln, Washington	44 min
May 24, 10:16 AM MDT	Severe Thunderstorm Warning	BOU	Elbert	44 min
May 24, 10:59 AM MDT	Severe Thunderstorm Warning	BOU	Elbert, Lincoln	46 min
May 24, 10:59 AM MDT	Severe Thunderstorm Warning	BOU	Washington	46 min
May 24, 1:03 PM MDT	Severe Thunderstorm Warning	BOU	Arapahoe, Douglas, Elbert	42 min
May 24, 1:34 PM MDT	Tornado Warning	BOU	Arapahoe	26 min
May 24, 1:55 PM MDT	Tornado Warning	BOU	Adams	35 min
May 24, 2:16 PM MDT	Severe Thunderstorm Warning	BOU	Elbert	49 min
May 24, 2:37 PM MDT	Severe Thunderstorm Warning	BOU	Weld	38 min
May 24, 3:07 PM MDT	Severe Thunderstorm Warning	BOU	Elbert, Lincoln	38 min
May 24, 3:15 PM MDT	Tornado Warning	BOU	Lincoln	30 min
May 24, 4:18 PM MDT	Severe Thunderstorm Warning	BOU	Lincoln	27 min

Nearby

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