Alert archive / Kansas / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 39, NWS Goodland, KS

May 22, 1999Norton County, Kansas

NWS Goodland, KS issued this severe thunderstorm warning at May 22, 1999, 9:54 AM CDT for Norton County, Kansas. It was in force for 46 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 22, 1999, 9:54 AM CDT (14:54 UTC)
Expired: May 22, 1999, 10:40 AM CDT
In force: 46 min
Issued by: NWS Goodland, KS
Area: Whole counties

County Norton County, KS

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 2.9 hours before the alert went out and 161 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: 333 J/kg
Mixed-layer CIN: -244 J/kg
Mixed-layer LCL: 1297 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 124 m²/s²
0-3 km storm-relative helicity: 163 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KGLD 221454 RRA
SVRGLD
KSC137-221540-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GOODLAND KS
854 AM MDT (954 AM CDT) SAT MAY 22 1999

THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN NORTON COUNTY IN NORTHWESTERN KANSAS

* UNTIL 1040 AM CDT (940 AM MDT)

* AT 950 AM CDT... GOODLAND DOPPLER RADAR INDICATED A SEVERE
  THUNDERSTORM 13 MILES SOUTHEAST OF NORTON OR 6 MILES NORTHEAST OF
  DENSMORE... MOVING EAST AT 15 MPH.

THE SEVERE THUNDERSTORM WILL AFFECT...THE COMMUNITIES OF DENSMORE
AND ALMENA.

THIS STORM HAS A HISTORY OF LARGE HAIL. AT 910 AM CDT 1 1/4 INCH
HAIL WAS REPORTED NEAR EDMOND. GO INSIDE A STjURDY BUILDING AND STAY
AWAY FROM WINDOWS!

LOCKHART


&

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.

NWS Goodland, KS wrote its last area forecast discussion before this severe thunderstorm warning went out at May 22, 3:19 AM CDT, 6 hours 35 minutes earlier.

Area forecast discussion, May 22, 3:19 AM CDT, 6 hours 35 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GOODLAND KS
215 AM MDT (310 AM CDT) SAT MAY 22 1999

...FORECAST CONCERNS INCLUDE PRECIP CHANCES AND TEMPS...

06Z SURFACE ANALYSIS SHOWS NORTH-SOUTH HIGH PRESSURE RIDGE CENTRAL
NEBRASKA INTO CENTRAL KANSAS MOVING SLOWLY EAST WITH LOW PRESSURE
TROF OVER EASTERN COLORADO. CUTOFF LOW OVER SOUTHERN CA MOVES LITTLE
FOR THE NEXT COUPLE OF DAYS.

ALL MODELS IN GOOD AGREEMENT THROUGH 36 HOURS WITH FAVORED MODEL
BEING THE ETA WITH THE AVN A CLOSE SECOND. THE ETA INITIALIZED BEST
AT THE SURFACE AND ALOFT. ALSO THE ETA SEEMS TO BE DOING A MUCH
BETTER JOB WITH MOVEMENT OF THE HIGH PRESSURE RIDGE AND COLORADO
TROF AS WELL AS EVENTUAL MOVEMENT OF CLOSED CA LOW. ALSO ETA ALONG
WITH AVN DO A GOOD JOB WITH LOW LEVEL MOISTURE AND DYNAMICS FOR HIGH
PLAINS NEXT 24 HOURS.

WITH THE UPPER LOW EXPECTED TO REMAIN NEARLY STATIONARY OVER
SOUTHERN CA INTO THE FIRST OF THE UPCOMING WEEK MID AND UPPER LEVEL
MOISTURE SHOULD CONTINUE TO FEED INTO THE HIGH PLAINS WHILE
SOUTHERLY FLOW AT THE SURFACE ALSO HELPS BRING IN MORE MOISTURE AND
INSTABILITY FOR THUNDERSTORMS.  A S/W TROF TO THE NORTHWEST MOVES
EAST WITH A SURFACE COLD FRONT MOVING THROUGH CWA DURING THE
AFTERNOON AND EVENING. THIS FRONT WILL FOCUS CONVECTION ON SATURDAY
AFTERNOON INTO SATURDAY NIGHT. ADDITIONALLY A STRONG MID LEVEL S/W
MOVING THROUGH CWA MID AFTERNOON INTO EARLY EVENING ALONG WITH GOOD
SHEAR AND ESTIMATED CAPES OF 1500-2500 COULD RESULT IN SOME OF THE
THUNDERSTORMS BECOMING SEVERE. THUNDERSTORMS SHOULD EXIT THE AREA
QUICKLY BY EARLY SUNDAY MORNING.

SUNDAY INTO MONDAY HIGH PRESSURE RIDGE BUILDS INTO CWA FROM THE WEST
PROVIDING DRIER AND SLIGHTLY COOLER TEMPS. WITH MOISTURE RETURNING
AS WELL AS PROXIMITY OF UPPER LOW IN SOUTHWEST U.S. CHANCE OF
THUNDERSTORMS CAN BE EXPECTED TUESDAY AND WEDNESDAY.

WENT CLOSE TO FWC MOS GUIDANCE FOR TEMPS DUE TO EFFECTS OF SUN AND
CLOUDS. ALSO WENT CLOSE TO FWC MOS GUIDANCE FOR POPS TODAY AND DUE
TO AMOUNT OF MOISTURE AND INSTABILITY AVAILABLE.

.GLD...NONE.

LAMMERS

In the hours before

Local storm report, May 22, 9:29 AM CDT, 25 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KS
829 AM MDT SAT MAY 22 1999

TIME(MDT)  .....CITY LOCATION..... STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0810 AM    2 WSW DENSMORE            KS    .75 INCH HAIL
05/22/99   NORTON

Local storm report, May 22, 9:29 AM CDT, 25 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KS
829 AM MDT SAT MAY 22 1999

TIME(MDT)  .....CITY LOCATION..... STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0810 AM    2 WSW DENSMORE            KS    .75 INCH HAIL
05/22/99   NORTON

Local storm report, May 22, 9:37 AM CDT, 17 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KS
837 AM MDT SAT MAY 22 1999

TIME(MDT)  .....CITY LOCATION..... STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0810 AM    EDMOND                    KS    1.25 INCH HAIL
05/22/99   NORTON

The office that day

Everything else NWS Goodland, KS issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 22, 9:08 AM CDT	Severe Thunderstorm Warning	GLD	Norton	47 min
May 22, 4:43 PM CDT	Severe Thunderstorm Warning	GLD	Sherman	62 min
May 22, 5:19 PM CDT	Severe Thunderstorm Warning	GLD	Wallace	61 min
May 22, 5:40 PM CDT	Severe Thunderstorm Warning	GLD	Greeley	60 min
May 22, 5:43 PM CDT	Severe Thunderstorm Warning	GLD	Sherman	62 min
May 22, 6:01 PM CDT	Tornado Warning	GLD	Thomas	49 min
May 22, 6:32 PM CDT	Severe Thunderstorm Warning	GLD	Logan	58 min
May 22, 6:37 PM CDT	Severe Thunderstorm Warning	GLD	Greeley, Wichita	58 min
May 22, 6:50 PM CDT	Severe Thunderstorm Warning	GLD	Rawlins	60 min
May 22, 6:50 PM CDT	Severe Thunderstorm Warning	GLD	Thomas	60 min

Nearby

Severe Thunderstorm Warnings in Kansas, 1999 Every severe thunderstorm warning in 1999

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.