Alert archive / Kansas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 167, NWS Goodland, KS

August 12, 1998Logan County, Kansas

NWS Goodland, KS issued this severe thunderstorm warning at Aug 12, 1998, 6:37 PM CDT for Logan County, Kansas. It was in force for 63 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
Aug 12, 1998, 6:37 PM CDT (23:37 UTC)
Expired
Aug 12, 1998, 7:40 PM CDT
In force
63 min
Issued by
NWS Goodland, KS
Area
Whole counties

County Logan County, KS

The radar

The Goodland radar (KGLD), 69 km from the middle of the area, began a volume at 23:37 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

Dodge City, (KDDC), launched 12:00Z, 11.6 hours before the alert went out and 168 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, Dodge City, at 12:00Z on 1998-08-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1278 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Dodge City, at 12:00Z on 1998-08-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 111 square meters per square second.1939Sfc1 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
1278 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
760 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
111 m²/s²
0-3 km storm-relative helicity
92 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 Aug 12, 2:44 PM CDT, 3 hours 53 minutes earlier.

Area forecast discussion, Aug 12, 2:44 PM CDT, 3 hours 53 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GOODLAND KS
144 PM MDT (244 PM CDT) WED AUG 12 1998

      ...CLOUDS AND TEMPS WILL BE CHALLENGES THIS RUN...
   AT 19Z...VIS SATL SHOWING ENHANCED CU FIELD MOVING SSEWD THRU NEB
PANHANDLE ALONG WITH SHALLOW CU BACKBUILDING TO THE WSW TOWARDS
GLD FROM MCK/HLC AREA.
   WITH PWS CONSIDERABLY LOWER ACROSS 12Z RAOB NETWORK TODAY AND
ETA/NGM QPFS SHOWING LIGHT AMOUNTS IN HLC/MCK AREA ONLY...WILL LOWER
GOING 50 POPS IN WRN ZONES BACK DOWN TO 20 OR 30...AND WORD FOR
EVENING TSRA ONLY AS SUN SETS AND KILLS DIURNAL SC/CU/TCU FIELDS.
   AVN/ETA SEEMED TO HANDLE THE WEAK SFC LOW AND STATIONARY FRONTAL
POSITION OVER CWA WELL ALTHOUGH IT APPEARS TO BE ABOUT 100 MILES
WEST/AND 6 HOURS LATE IN WHERE/WHEN IT SAID IT WOULD BE BASED ON
WEAK SPIN OF CU FIELD INVOF LBF AT 1925Z. SFC LOW SHOULD BE INVOF
GLD BETWEEN 01Z-04Z.
   BY THEN...SOME ENERGY FROM THE SPIN IN SC WYO SHOULD BE ARRIVING
FROM OUR NW. BAD TIMING FOR RAIN AT GLD...BUT SHOULD KEEP SOME
THICKER MID/UPPER MOISTURE AROUND AWHILE ON THURSDAY. WILL STICK
WITH FAN FOR TEMPS/POPS AS NGM NOT COMPENSATING FOR WET GROUND
CWA-WIDE. CANT RULE OUT -RA FOR A TIME EARLY THURSDAY WITH THE COOLER
H7 AIR...BREAKS IN THE LOW CLOUDS/FOG AND GENERALLY LIGHT UPSLOPE
WINDS...ALTHOUGH BY AFTERNOON...CU WILL BE HI BASED IN NATURE AND
ALONG H7 BOUNDARY.
.GLD...NONE.

VOJTESAK

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 12, 6:18 PM CDTSevere Thunderstorm WarningGLDGraham47 min
Aug 12, 6:29 PM CDTSevere Thunderstorm WarningGLDGraham51 min
Aug 11, 11:32 PM CDTFlash Flood WarningGLDCheyenne3 hr

Nearby

Severe Thunderstorm Warnings in Kansas, 1998Every severe thunderstorm warning 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.