Alert archive / Kansas / Tornado Warnings in 2003

Tornado Warning 24, NWS Topeka, KS

May 10, 2003Coffey County, Lyon County, Kansas

NWS Topeka, KS issued this tornado warning at May 10, 2003, 3:37 AM CDT for Coffey County, Lyon County, Kansas. It was in force for 53 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: May 10, 2003, 3:37 AM CDT (08:37 UTC)
Expired: May 10, 2003, 4:30 AM CDT
In force: 53 min
Issued by: NWS Topeka, KS
Area: Counties, with a storm outline in the text

Counties Coffey County, KS, Lyon County, KS

The radar

The Topeka radar (KTWX), 80 km from the middle of the area, began a volume at 08:40 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 watch it was issued in

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

Issued	Product	Office	Lasted
May 9, 11:00 PM CDT	Severe Thunderstorm Watch	SPC	6 hr
May 10, 1:15 AM CDT	Severe Thunderstorm Watch	SPC	5 hr
May 10, 3:05 AM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 8.6 hours before the alert went out and 85 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: 173 J/kg
Mixed-layer CIN: -412 J/kg
Mixed-layer LCL: 1579 m above ground
0-6 km bulk shear: 68 kt
0-1 km storm-relative helicity: 154 m²/s²
0-3 km storm-relative helicity: 422 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

499 
WFUS53 KTOP 100837
TORTOP
KSC031-111-100930-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
336 AM CDT SAT MAY 10 2003

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL AND NORTHERN COFFEY COUNTY IN EAST CENTRAL KANSAS
  SOUTHERN LYON COUNTY IN EAST CENTRAL KANSAS

* UNTIL 430 AM CDT

* AT 335 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 12 MILES
  SOUTHWEST OF OLPE...OR ABOUT 18 MILES SOUTHWEST OF EMPORIA...MOVING
  EAST AT 35 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  OLPE AT 355 AM CDT
  NEOSHO RAPIDS AT 410 AM CDT
  HARTFORD AT 415 AM CDT
  JOHN REDMOND RESERVOIR...BURLINGTON AT 425 AM CDT

FOR YOUR SAFETY...GO TO A STORM SHELTER OR BASEMENT NOW TORNADOES
MAY HAVE WINDS GREATER THAN 100 MPH. AVOID OVERPASSES AND WINDOWS.
COVER YOUR HEAD.

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

LAT...LON 3836 9635 3817 9635 3818 9556 3842 9555

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 9, 7:57 PM CDT	Severe Thunderstorm Warning	TOP	Anderson, Coffey, Franklin	48 min
May 10, 2:10 AM CDT	Severe Thunderstorm Warning	TOP	Dickinson, Morris	50 min
May 10, 2:16 AM CDT	Severe Thunderstorm Warning	TOP	Washington	29 min
May 10, 2:32 AM CDT	Severe Thunderstorm Warning	TOP	Wabaunsee	43 min
May 10, 2:45 AM CDT	Severe Thunderstorm Warning	TOP	Morris	45 min
May 10, 2:59 AM CDT	Severe Thunderstorm Warning	TOP	Shawnee	46 min
May 10, 3:04 AM CDT	Severe Thunderstorm Warning	TOP	Jefferson	26 min
May 10, 3:17 AM CDT	Severe Thunderstorm Warning	TOP	Wabaunsee	28 min
May 10, 3:58 AM CDT	Severe Thunderstorm Warning	TOP	Douglas, Franklin, Osage	47 min
May 10, 4:29 AM CDT	Tornado Warning	TOP	Anderson, Coffey, Franklin	61 min

Nearby

Tornado Warnings in Kansas, 2003 Every tornado warning in 2003 Tornadoes in 2003

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.