Alert archive / Kansas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 230, NWS Wichita, KS

August 25, 1998Cowley County, Kansas

NWS Wichita, KS issued this severe thunderstorm warning at Aug 25, 1998, 2:52 PM CDT for Cowley County, Kansas. It was in force for 23 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Aug 25, 1998, 2:52 PM CDT (19:52 UTC)
Expired: Aug 25, 1998, 3:15 PM CDT
In force: 23 min
Issued by: NWS Wichita, KS
Area: Whole counties

County Cowley County, KS

The radar

The Wichita radar (KICT), 71 km from the middle of the area, began a volume at 19:53 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.

What was reported inside it

Time	Report	Where	Remark
Aug 25, 2:59 PM CDT	Hail 0.75	Burden, KS

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 nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 7.9 hours before the alert went out and 230 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: 80 J/kg
Mixed-layer CIN: -158 J/kg
Mixed-layer LCL: 1685 m above ground
0-6 km bulk shear: 3 kt
0-1 km storm-relative helicity: -3 m²/s²
0-3 km storm-relative helicity: -1 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

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 Wichita, KS wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 25, 3:01 AM CDT, 11 hours 51 minutes earlier.

Area forecast discussion, Aug 25, 3:01 AM CDT, 11 hours 51 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE WICHITA KS
301 AM CDT TUE AUG 25 1998

..SHORT TERM..
MORE QUESTIONS THAN ANSWERS TDA...WITH FCST HANGING ON FNTL PSN.
BEST EST ATTM IS FOR IT TO REACH HWY 54 BEFORE BECOMING STNRY.  AT
07Z 88D INDCS FNT FM ABT 25S SLN-15N HUT AND STILL CONT A STEADY SE
MVMT.  WL NEED LO POPS IN CNTRL KS WITH PCPN ON RDR APCHG
RSL/LINCOLN AREAS ATTM.  PCPN WL LKLY CONT INTO DAYLITE HRS AS RIGHT
REAR QUAD OF 300 MB SPD MAX AND BUILDING RDG OVR NM/CO INCR
DIFFLUENCE ACRS KS.  OF NOTE...ETA 850MB DEWPTS INITIALIZED ABT 4C
TOO HIGH AND THIS APRS TO BE REFLECTED IN ITS PROGS DURG THE
DAY...AND RESULTANT HIER INSTBY THAN THE NGM. HOWEVER BOTH NGM/ETA
FCST SOUNDINGS SHOW LTL CAP IN VCNTY OF ICT/CNU BY 00Z. COMBINED
WITH CONVERGENCE ON FNT WL NEED SLGT CHC POPS IN S CNTRL/SE KS THIS
AFTN.  CLD DEBRIS WL LKLY IMPACT TEMPS...SPCLY IN CNTRL KS. DUE TO
UNCERTAINTY OF FNT DURG THE AFTN WL HEDGE TEMPS FM NR 90 NR RSL TO
NR 100 ALG THE OK BDR.  XCPT IN VCNTY OF TSTMS AND IMMEDIATELY AFT
FROPA...WNDS WL LKLY BE VRBL AT LESS THAN 10. HEAT INDICES MAY TOP
100 AFT NOON...PRIMARLY S OF HWY 54.

HOWERTON

LONG TERM:
SFC-H85 CDFNTS XNG C KS MAIN CREATURES THIS FCST. APRS BOTH BNDRYS
WL HANG CLOSE TO ICT-CNU LN THIS EVE & W/ SFC-H85 MSTR POOLING ALG
THE BNDRYS (ETA STGST & FARTHEST E ACRS ERN OK...SE KS & SW MO) WL
INSERT GENERIC 30% ACRS THE BOARD TNGT. BEST DYNAMICS H5 & ABV RMN
ACRS NRN PLNS BUT FRLY WK H5 VORT LOBES DVLPG OVR WRN KS & VENTURING
ACRS C KS TNGT AS DEPICTED BY ETA & ECMWF (& TO LESSER EXTENT AVN)
SHUD BE SUFF UVM TO FIRE WDLY SCT CNVTN. MOS MINS APR ON TARGET. FOR
TMW FNT STALLING ACRS SRN KS TO LIFT SLOLY N/NE AS WMFNT HENCE APRS
ONLY CHC FOR CNVTN TO OCR N-NE OF CWA ACRS NE KS & ERN NEBRASKA. AM
THEREFORE KPG ALL CWA DRY & W/ WK SE GRAD PRVLG MAXS OF 90-95 SHUD
KP BALL IN THE PARK W/ C SXN AT LWR END OF THIS SPECTRUM.

EXTENDED:
NO CHGS PLANNED ATTM.
ES

FCSTID = 4
ICT   95  70  98  70 /  20  30   0   0
HUT   95  70  97  70 /  20  30   0   0
EWK   95  70  97  70 /  20  30   0   0
EQA   96  70  98  70 /  20  30   0   0
WLD   99  70  99  70 /  20  30   0   0
RSL   90  69  91  70 /  30  30   0   0
GBD   91  70  92  70 /  30  30   0   0
SLN   92  69  92  70 /  30  30   0   0
MPR   93  70  92  70 /  30  30   0   0
CFV  100  70  98  70 /  20  30   0   0
CNU   97  70  97  70 /  20  30   0   0
K88   95  70  97  70 /  20  30   0   0

.ICT...NONE.

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 25, 3:19 PM CDT	Severe Thunderstorm Warning	ICT	Cowley	56 min
Aug 25, 3:42 PM CDT	Severe Thunderstorm Warning	ICT	Sumner	33 min
Aug 25, 4:09 PM CDT	Tornado Warning	ICT	Kingman	31 min
Aug 25, 4:42 PM CDT	Severe Thunderstorm Warning	ICT	Sedgwick	63 min
Aug 25, 5:00 PM CDT	Severe Thunderstorm Warning	ICT	Kingman	60 min
Aug 25, 5:10 PM CDT	Severe Thunderstorm Warning	ICT	Reno	65 min
Aug 25, 5:24 PM CDT	Severe Thunderstorm Warning	ICT	Harvey	66 min

Nearby

Severe Thunderstorm Warnings in Kansas, 1998 Every 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.