Alert archive / Kansas / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 104, NWS Wichita, KS

May 22, 1999Chase County, Kansas

NWS Wichita, KS issued this severe thunderstorm warning at May 22, 1999, 11:27 PM CDT for Chase County, Kansas. It was in force for 63 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
May 22, 1999, 11:27 PM CDT (04:27 UTC)
Expired
May 23, 1999, 12:30 AM CDT
In force
63 min
Issued by
NWS Wichita, KS
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Chase County, KS

What was reported inside it

TimeReportWhereRemark
May 22, 11:27 PM CDTHail 0.88Cottonwood Falls, 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 watch it was issued in

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

IssuedProductOfficeLasted
May 22, 9:30 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 4.5 hours before the alert went out and 114 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, Topeka, KS at 00:00Z on 1999-05-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 23 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, Topeka, KS at 00:00Z on 1999-05-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 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
23 J/kg
Mixed-layer CIN
-507 J/kg
Mixed-layer LCL
1580 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
216 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 Wichita, KS wrote its last area forecast discussion before this severe thunderstorm warning went out at May 22, 3:20 PM CDT, 8 hours 7 minutes earlier.

Area forecast discussion, May 22, 3:20 PM CDT, 8 hours 7 minutes before
AREA FORECAST DISCUSSION...CORRECTED TIME
NATIONAL WEATHER SERVICE WICHITA KS
320 PM CDT SAT MAY 22 1999

THUNDERSTORMS ARE THE IMMEDIATE CONCERN THIS FORECAST PACKAGE.
EARLY MORNING CONVECTION TO THE NORTH AND WEST SHOWING WEAKENING
TREND OVERALL AS IT MOVES TO THE SOUTHEAST.  NEW CONVECTION HAS BEEN
FIRING ALONG OUTFLOW BOUNDARY TO THE SOUTH IN AREA OF HIGHER
INSTABILITY.  LATEST SURFACE ANALYS HAS LWR TO MID 60 DWPTS ACROSS
FCST AREA WITH PORTIONS OF THE WEST RECEIVING FULL SUN.  VISIBLE
SATELLITE SHOWING SEVERAL OUTFLOW BOUNDARIES TRAVERSING CWA WITH
MUCH WEAKER CONVECTION SCATTERED ALONG THEM.

MAIN SYSTEM STILL FORECAST TO MOVE THROUGH TONIGHT WITH THE BEST
CHANCE FOR PRECIPITATION. MODELS IN FAIRLY GOOD AGREEMENT MOVING THE
SYSTEM ACROSS THROUGH 24 HOURS HOWEVER ETA IS A BIT FASTER AND
PREFER A SLIGHTLY SLOWER SOLN.  SHOULDNT HAVE A PROBLEM GETTING
STORMS TO FIRE ALONG AND AHEAD OF THE FRONT WITH NUMEROUS BOUNDARIES
LAYING ABOUT AND GOOD LIFT INDICATED.  WILL CONTINUE LIKELY POPS FOR
ENTIRE CWA OVERNIGHT WITH PRECIPITATION ENDING SUNDAY MORNING.

REST OF THE FORECAST BEYOND SUNDAY A.M. LOOKS TO BE RATHER QUIET
WITH HIGH PRESSURE BUILDING THROUGH 48 HOURS.  TEMPERATURES TO BE
AOA NORMAL AND PREFER SLIGHTLY WARMER THAN GUIDANCE NUMBERS.

IN THE EXTENDED PERIODS...STAGNANT UPPER LOW CURRENTLY OVER SWRN
U.S. FORECAST TO MOVE INTO KANSAS BY DAY 5.  SOME DIFFERENCES IN THE
MEDIUM RANGE MODELS BY THE END OF THE PERIOD BUT ALL ARE SHOWING A
DECENT PIECE OF ENERGY MOVING INTO CWA.  WILL INTRODUCE POPS FOR
THURSDAY.

FCSTID = 16
ICT   62  79  52  82 /  70  30   0   0
HUT   61  78  51  81 /  70  30   0   0
EWK   61  77  51  82 /  70  30   0   0
EQA   62  78  51  81 /  70  30   0   0
WLD   63  79  52  83 /  70  30   0   0
RSL   58  75  49  82 /  70  10   0   0
GBD   59  75  50  82 /  70  10   0   0
SLN   60  76  51  83 /  70  10   0   0
MPR   60  76  50  83 /  70  10   0   0
CFV   61  80  51  81 /  60  40   0   0
CNU   60  79  50  80 /  60  40   0   0
K88   60  79  50  80 /  60  40   0   0

.ICT...NONE.

In the hours before

Special weather statement, May 22, 10:40 PM CDT, 47 minutes before
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Special weather statement, May 22, 10:40 PM CDT, 47 minutes before
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Special weather statement, May 22, 11:24 PM CDT, 3 minutes before
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Special weather statement, May 22, 11:24 PM CDT, 3 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
May 22, 8:56 PM CDTSevere Thunderstorm WarningICTBarton, Russell64 min
May 22, 9:37 PM CDTSevere Thunderstorm WarningICTEllsworth, Lincoln68 min
May 22, 10:29 PM CDTSevere Thunderstorm WarningICTSaline31 min

Nearby

Severe Thunderstorm Warnings in Kansas, 1999Every 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.