Alert archive / Kansas / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 203, NWS Topeka, KS

September 22, 2001Marshall County, Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Sep 22, 2001, 9:45 AM CDT for Marshall 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 outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued: Sep 22, 2001, 9:45 AM CDT (14:45 UTC)
Expired: Sep 22, 2001, 10:30 AM CDT
In force: 45 min
Issued by: NWS Topeka, KS
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Marshall County, KS

The radar

The Topeka radar (KTWX), 93 km from the middle of the area, began a volume at 14:46 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

Topeka, KS (KTOP), launched 12:00Z, 2.8 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-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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1526 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 35 m²/s²
0-3 km storm-relative helicity: 176 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

112 
WUUS53 KTOP 221446
SVRTOP
KSC117-221530-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
945 AM CDT SAT SEP 22 2001

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS CONTINUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN MARSHALL COUNTY IN NORTHEAST KANSAS

* UNTIL 1030 AM CDT

* AT 944 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 5 MILES SOUTHWEST OF BEATTIE...OR ABOUT 9 MILES
  EAST OF MARYSVILLE...MOVING EAST AT 30 MPH.

* SOME LOCATIONS AFFECTED...
  FRANKFORT
  AXTELL
  VERMILLION
  LILLIS

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.

LAT...LON 3999 9654 3958 9655 3957 9624 3999 9624

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 22, 2:17 AM CDT, 7 hours 28 minutes earlier.

Area forecast discussion, Sep 22, 2:17 AM CDT, 7 hours 28 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TOPEKA KS
217 AM CDT SAT SEP 22 2001

PRECIPITATION CHANCES THROUGH TONIGHT AND TEMPERATURES
THROUGH MONDAY ARE THE MAIN FORECAST CONCERNS.

WARM ADVECTION WELL UNDERWAY THIS MORNING. PROFILER NETWORK SHOWING
SOUTHERLY WINDS MIGRATING INTO EASTERN KANSAS WITH STRONGEST WINDS
CONFINED FURTHER WEST. THUNDERSTORMS DEVELOPED IN NOSE OF JET AND
MOISTURE/INSTABILITY AXIS IN SOUTH CENTRAL NEBRASKA. SMALL CLUSTER
OF STORMS MOVING SOUTHEAST IN LINE WITH CORFIDI VECTORS.
WATER VAPOR LOOP AND PROFILERS SHOW A SHORTWAVE IN SOUTH CENTRAL
KANSAS MOVING SOUTHEAST. ELEVATED STORMS STARTING TO INCREASE IN
SOUTH CENTRAL NEBRASKA AND SHOULD SLIDE SOUTHEAST INTO THE CWA.

WILL BUMP UP POPS FOR TODAY TO HANDLE THIS MORNINGS CONVECTION AND
THEN DEVELOPMENT AHEAD OF THE FRONT LATE THIS AFTERNOON. SATELLITE
SHOWS SHORTWAVE TROF FROM SOUTHERN CANADIAN PLAINS INTO MONTANA AND
EASTERN IDAHO. THIS SYSTEM HANDLED WELL BY MODELS AND WILL SLIDE
SOUTH INTO KANSAS TONIGHT. ETA SUGGESTS MOST OF CWA WILL BE CAPPED
THIS AFTERNOON BEFORE BEING OVERCOME BY LOWLEVEL FORCING AND DYNAMIC
LIFT AHEAD OF THE DIVING SHORTWAVE. FRONT SHOULD BE THROUGH MOST OF
THE CWA BY 12Z SUNDAY...EXCEPT FOR AREAS SOUTH OF INTERSTATE 35.
WILL KEEP SOME MORNING POPS GOING IN THE SOUTHEAST ON SUNDAY AND DRY
ELSEWHERE.

EXPECT TO SEE SOME STRATO CUMULUS ON SUNDAY AFTERNOON...THEN MOSTLY
CLEAR SKIES SUNDAY NIGHT. TEMPERATURES TODAY SHOULD WARM INTO THE
LOWER 80S MORE NEAR AVN/MAV GUIDANCE. TONIGHT TRENDED TOWARD THE
WARMER FWC NUMBERS...ESPECIALLY IN THE EAST CENTRAL ZONES.

SUNDAY AND SUNDAY NIGHT...HIGHS IN THE UPPER 60S LOOK GOOD WHICH IS
A COMPROMISE BETWEEN THE FWC AND MAV GUIDANCE. SUNDAY NIGHT LOOKS
CHILLY WITH CLEARING SKIES AND WEAKENING WINDS CURRENT TEMPS IN
LOWER 40 TO MID 40S LOOKS GOOD.

.TOP...NONE.

53

In the hours before

Special weather statement, Sep 22, 4:31 AM CDT, 5 hours 14 minutes before

KSZ008>012-020>024-026-034>040-054>056-058-059-221700-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TOPEKA KS
431 AM CDT SAT SEP 22 2001

STORM SPOTTER ACTIVATION MAY BE NEEDED LATE THIS AFTERNOON INTO
TONIGHT ACROSS NORTH CENTRAL KANSAS...AND TONIGHT ACROSS NORTHEAST
AND EAST CENTRAL KANSAS.

THUNDERSTORMS MAY DEVELOP NEAR THE NEBRASKA BORDER THIS MORNING.
SOME OF THESE STORMS MAY BECOME SEVERE WITH LARGE HAIL THE PRIMARY
THREAT.

THUNDERSTORMS ARE EXPECTED TO DEVELOP LATE THIS AFTERNOON NEAR THE
NEBRASKA BORDER. A LINE OF THUNDERSTORMS IS THEN FORECAST TO
DEVELOP AND MOVE SOUTHEAST ACROSS NORTH CENTRAL...NORTHEAST AND EAST
CENTRAL KANSAS DURING THE EVENING AND OVERNIGHT HOURS. LARGE HAIL
AND DAMAGING WINDS WILL BE THE PRIMARY THREATS. ALTHOUGH AN ISOLATED
TORNADO CANNOT BE RULED OUT.

SYNOPSIS: A WARM FRONT NEAR THE NEBRASKA BORDER WILL ACT AS A FOCUS
FOR THUNDERSTORM DEVELOPMENT THIS MORNING AND AGAIN LATE THIS
AFTERNOON. A STRONG COLD FRONT WILL THEN MOVE INTO SOUTHERN NEBRASKA
THIS EVENING AND COLLIDE WITH A MOIST AND UNSTABLE AIRMASS AS IT
MOVES SOUTHEAST ACROSS NORTH CENTRAL...NORTHEAST AND EAST CENTRAL
KANSAS.

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

Local storm report, Sep 22, 8:58 AM CDT, 47 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TOPEKA KS
858 AM CDT SAT SEP 22 2001

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

0857 AM    1 E HANOVER               KS    .75 INCH HAIL
09/22/01   WASHINGTON

Local storm report, Sep 22, 9:15 AM CDT, 30 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TOPEKA KS
915 AM CDT SAT SEP 22 2001

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

0914 AM    1 E BREMEN                KS    .75 INCH HAIL
09/22/01   MARSHALL

Local storm report, Sep 22, 9:23 AM CDT, 22 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TOPEKA KS
923 AM CDT SAT SEP 22 2001

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

0920 AM    1 E BREMEN                KS    1 INCH HAIL
09/22/01   MARSHALL

Local storm report, Sep 22, 9:25 AM CDT, 20 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TOPEKA KS
925 AM CDT SAT SEP 22 2001

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

0922 AM    1 SSE MARYSVILLE          KS    .75 INCH HAIL
09/22/01   MARSHALL

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 22, 7:52 AM CDT	Severe Thunderstorm Warning	TOP	Washington	38 min
Sep 22, 8:30 AM CDT	Severe Thunderstorm Warning	TOP	Washington	30 min
Sep 22, 8:58 AM CDT	Severe Thunderstorm Warning	TOP	Marshall	47 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2001 Every severe thunderstorm warning in 2001

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.