Alert archive / Kansas / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 139, NWS Topeka, KS

September 11, 2000Anderson County, Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Sep 11, 2000, 9:23 PM CDT for Anderson County, Kansas. It was in force for 47 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: Sep 11, 2000, 9:23 PM CDT (02:23 UTC)
Expired: Sep 11, 2000, 10:10 PM CDT
In force: 47 min
Issued by: NWS Topeka, KS
Area: Whole counties

County Anderson County, KS

What was reported inside it

Time	Report	Where	Remark
Sep 11, 9:40 PM CDT	Hail 0.75	Welda, 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

Topeka, KS (KTOP), launched 00:00Z, 2.4 hours before the alert went out and 92 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: 901 J/kg
Mixed-layer CIN: -26 J/kg
Mixed-layer LCL: 3268 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 15 m²/s²
0-3 km storm-relative helicity: 23 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KTOP 120221
SVRTOP
KSC003-120310-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
923 PM CDT MON SEP 11 2000

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN AND SOUTHERN ANDERSON COUNTY IN EAST CENTRAL KANSAS

* UNTIL 1010 PM CDT

* AT 923 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM 5 MILES NORTH OF GARNETT...OR
  ABOUT 18 MILES SOUTH OF OTTAWA TO 25 MILES SOUTH OF OTTAWA NEAR
  WESTPHALIA...MOVING EAST AT 20 MPH.

* SOME LOCATIONS AFFECTED...
  GARNETT
  COLONY
  KINCAID

LARGE HAIL...VERY HEAVY RAIN AND DAMAGING WINDS ARE LIKELY WITH THIS
STORM. TAKE COVER INSIDE A BUILDING.

STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA OUTLETS FOR THE
LATEST SEVERE WEATHER INFORMATION.

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 Topeka, KS wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 11, 3:00 PM CDT, 6 hours 23 minutes earlier.

Area forecast discussion, Sep 11, 3:00 PM CDT, 6 hours 23 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TOPEKA KS
300 PM CDT MON SEP 11 2000

POTENTIAL FOR TSTMS MAIN FORECAST PROBLEM. STILL STG CAP IN PLACE
AND SAT. TEMPS INDICATED A BIT MORE MID LVL WARMING SINCE 12Z. THUS
WILL NEED TO SEE SOME COOLING ALFT. THIS CAA IS EVIDENT ON SATELLITE
TMPS/CLOUD DVLPMT SRN NE INTO NWRN KS/NERN CO. AS THIS COOLING MOVES
OVER ERN KS VERY LATE THIS AFTN AND THIS EVENING...SHOULD SEE SOME
TSTMS DVLP RAPIDLY. ACTUALLY COULD SEE DVLPMT BEHIND SFC BNDRY WITH
ELEVATED TYPE STMS. STG GUSTY WINDS WILL BE MAIN THREAT. TSTMS OUT
OF PICTURE BY MIDNIGHT...WITH CLEAR SAILING AFTER THAT. WENT A BIT
COOLER NWRN CWA OVERNIGHT...WITH DEW POINTS ALREADY IN THE LOWER 40S
NORTHERN NEBRASKA. FOLLOWING MESO-ETA SFC TEMPERATURES FOR FORECAST
AFTN TEMPERATURE TRENDS TMRW/WED. THUS WILL GO A BIT ABOVE FWC MOS
TEMPERATURES ON TUESDAY...AND ABOVE ON WEDNESDAY TOO...PERHAPS MORE
IN LINE WITH FAN/MAV GUIDANCE.

.TOP...NONE

In the hours before

Local storm report, Sep 11, 8:19 PM CDT, 1 hour 4 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TOPEKA KS
819 PM CDT MON SEP 11 2000

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

0810 PM    7 N OTTAWA                KS    1 INCH HAIL
09/11/00   FRANKLIN

0814 PM    LE LOUP                   KS    1.75 INCH HAIL
09/11/00   FRANKLIN

0814 PM    LE LOUP                   KS    60 MPH TSTM GUST
09/11/00   FRANKLIN
A
0814 PM    10 SW EMPORIA             KS    .88 INCH HAIL
09/11/00   LYON

Local storm report, Sep 11, 8:24 PM CDT, 59 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TOPEKA KS
824 PM CDT MON SEP 11 2000

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

0819 PM    6 SE BALDWIN              KS    1.75 INCH HAIL
09/11/00   DOUGLAS

0820 PM    WELLSVILLE                KS    1.75 INCH HAIL
09/11/00   FRANKLIN

Local storm report, Sep 11, 8:33 PM CDT, 50 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TOPEKA KS
833 PM CDT MON SEP 11 2000

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

0825 PM    3 E EMPORIA               KS    .75 INCH HAIL
09/11/00   LYON

0825 PM    3 E EMPORIA               KS    60 MPH TSTM GUST
09/11/00   LYON

Local storm report, Sep 11, 8:47 PM CDT, 36 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TOPEKA KS
847 PM CDT MON SEP 11 2000

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

0845 PM    NEOSHO RAPIDS             KS    .75 INCH HAIL
09/11/00   LYON

Local storm report, Sep 11, 8:50 PM CDT, 33 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TOPEKA KS
850 PM CDT MON SEP 11 2000

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

0850 PM    NEOSHO RAPIDS             KS    1 INCH HAIL
09/11/00   LYON

Local storm report, Sep 11, 9:20 PM CDT, 3 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TOPEKA KS
920 PM CDT MON SEP 11 2000

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

0915 PM    LEBO                      KS    .75 INCH HAIL
09/11/00   COFFEY

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 11, 7:29 PM CDT	Severe Thunderstorm Warning	TOP	Douglas, Franklin	31 min
Sep 11, 7:30 PM CDT	Severe Thunderstorm Warning	TOP	Lyon	30 min
Sep 11, 7:39 PM CDT	Severe Thunderstorm Warning	TOP	Douglas, Osage	36 min
Sep 11, 7:50 PM CDT	Severe Thunderstorm Warning	TOP	Lyon	45 min
Sep 11, 7:51 PM CDT	Severe Thunderstorm Warning	TOP	Osage	39 min
Sep 11, 8:00 PM CDT	Severe Thunderstorm Warning	TOP	Douglas, Franklin	15 min
Sep 11, 8:15 PM CDT	Severe Thunderstorm Warning	TOP	Douglas, Franklin	45 min
Sep 11, 8:31 PM CDT	Severe Thunderstorm Warning	TOP	Coffey, Lyon	29 min
Sep 11, 8:44 PM CDT	Severe Thunderstorm Warning	TOP	Coffey, Osage	36 min
Sep 11, 8:58 PM CDT	Severe Thunderstorm Warning	TOP	Anderson, Franklin	32 min
Sep 11, 9:05 PM CDT	Severe Thunderstorm Warning	TOP	Coffey	40 min
Sep 11, 9:44 PM CDT	Severe Thunderstorm Warning	TOP	Coffey	46 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2000 Every severe thunderstorm warning in 2000

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.