Alert archive / Kansas / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 231, NWS Wichita, KS

September 23, 1996Sumner County, Kansas

NWS Wichita, KS issued this severe thunderstorm warning at Sep 23, 1996, 4:15 PM CDT for Sumner County, Kansas. It was in force for 45 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: Sep 23, 1996, 4:15 PM CDT (21:15 UTC)
Expired: Sep 23, 1996, 5:00 PM CDT
In force: 45 min
Issued by: NWS Wichita, KS
Area: Whole counties

County Sumner County, KS

The radar

The Wichita radar (KICT), 47 km from the middle of the area, began a volume at 21:18 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

Norman, OK (KOUN), launched 12:00Z, 9.3 hours before the alert went out and 224 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: 2177 J/kg
Mixed-layer CIN: -175 J/kg
Mixed-layer LCL: 844 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 130 m²/s²
0-3 km storm-relative helicity: 146 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.4

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 Sep 23, 2:17 PM CDT, 1 hour 58 minutes earlier.

Area forecast discussion, Sep 23, 2:17 PM CDT, 1 hour 58 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE WICHITA KS
218 PM CDT MON SEP 23 1996

CHGS:  UPPED POPS SE AND ICT...BUT NOT HUT FOR THIS EVENING.

17Z SFC MAP HAS SFC FRONT FROM STJ TO P28.  MDLS PUSH FRONT QUICKLY
SOUTHEAST THIS AFTN AND EVENING...EXITING THE STATE BY ABOUT 03Z AS
HIGH PRESSURE MOVES INTO SD AND NE...PUSHING CAA ACRS KS.  IN THE
SHORT TERM...TRW FIRING IN AREA OF LLVL SPEED CONVERGENCE IN SE KS
AND ALONG FRONT IN SCNTRL KS...WHILE A SECONDARY LINE ALONG ELEVATED
FRONT IN CNTRL KS CONTINUES TO FALL APART.  WILL KEEP TRW GOING INTO
THIS EVENING TONIGHT SCNTRL AND SE...ENDING FROM THE NORTHWEST WITH
FRONTAL PASSAGE.  NEXT QUESTION WILL BE POTENTIAL FOR FOG AND
STRATUS BEHIND THE FRONT.  ON TAFS...HAVE GENERALLY FOLLOWED BLYR
MOISTURE PROGS AND 850 WINDS...TIMING POSITION OF STATUS WITH THE
ONSET OF 850 ANTI-CYCLONIC FLOW.  THIS KEEPS IT OUT OF CENTRAL KS
AND IN SCNTRL AND SE UNTIL EARLY MORNING.

TMRW...COOL SFC HI BLDS IN AND STABALIZES AMS UNDER FAIRLY ZONAL
FLOW ALOFT.  MODELS DISAGREE ON AMOUNT OF COOLING WITH THIS FRONT
WITH FAN GUID BEING TYPICALLY COOLER.  BASED ON INCOMING DWPTS FOR
TONIGHT WILL LEAN TOWARDS WARMER FWC.  WILL ALSO LEAN TOWARDS FWC
TMRW BASED ON WARMER STARTING TEMPS AND NGM/ETA 850 TEMPS.

RSL 047/067 00  SLN 050/069 20
ICT 050/070 90  HUT 049/069 40
CNU 055/070 81

MATT

In the hours before

Special weather statement, Sep 23, 12:06 PM CDT, 4 hours 9 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 23, 3:00 PM CDT	Severe Thunderstorm Warning	ICT	Reno, Sedgwick	45 min
Sep 23, 3:24 PM CDT	Severe Thunderstorm Warning	ICT	Sedgwick	66 min
Sep 23, 3:29 PM CDT	Severe Thunderstorm Warning	ICT	Marion	46 min
Sep 23, 3:30 PM CDT	Severe Thunderstorm Warning	ICT	Chase	60 min
Sep 23, 6:10 PM CDT	Severe Thunderstorm Warning	ICT	Elk	50 min

Nearby

Severe Thunderstorm Warnings in Kansas, 1996 Every severe thunderstorm warning in 1996

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.