Alert archive / Missouri / Tornado Warnings in 1998

Tornado Warning 6, NWS Kansas City, MO

April 14, 1998Nodaway County, Missouri

NWS Kansas City, MO issued this tornado warning at Apr 14, 1998, 10:35 PM CDT for Nodaway County, Missouri. It was in force for 30 min. 1 report came from 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, with what was reported inside it.

The facts

Issued: Apr 14, 1998, 10:35 PM CDT (03:35 UTC)
Expired: Apr 14, 1998, 11:05 PM CDT
In force: 30 min
Issued by: NWS Kansas City, MO
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Nodaway County, MO

The radar

The Omaha radar (KOAX), 167 km from the middle of the area, began a volume at 03:36 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.

What was reported inside it

Time	Report	Where	Remark
Apr 14, 10:51 PM CDT	Hail 0.75	Pickering, MO	Public reported dime-size hail at Pickering.

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.

Issued	Product	Office	Lasted
Apr 14, 6:45 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 3.6 hours before the alert went out and 166 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: 36 J/kg
Mixed-layer CIN: -135 J/kg
Mixed-layer LCL: 2148 m above ground
0-6 km bulk shear: 65 kt
0-1 km storm-relative helicity: 200 m²/s²
0-3 km storm-relative helicity: 361 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.

684 
WFUS1 KMCI 150351 RRA
TORMCI
MOC147-150405-
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING...RETRANSMITTED
NATIONAL WEATHER SERVICE PLEASANT HILL KANSAS CITY MO
1035 PM CDT TUE APR 14 1998

* TORNADO WARNING FOR
     NODAWAY COUNTY IN MISSOURI

* UNTIL 1105 PM CDT

* SOME LOCATIONS AFFECTED
     4 MILES SOUTHWEST OF PICKERING AT 1040 PM CDT
     OVER PICKERING AT 1045 PM CDT
     4 MILES NORTHEAST OF PICKERING AT 1050 PM CDT
     6 MILES SOUTHEAST OF HOPKINS AT 1055 PM CDT

* AT 1035 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  DEVELOPING TORNADO 5 MILES SOUTHEAST OF QUITMAN...MOVING NORTHEAST
  AT 35 MILES PER HOUR.

IN ADDITION TO THE TORNADO THREAT...LARGE HAIL AND DAMAGING WINDS MAY
ACCOMPANY THIS STORM.

LAT...LON 4020 9464 4015 9494 4047 9520 4058 9499
          4055 9468

The office that day

Everything else NWS Kansas City, MO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 14, 8:15 PM CDT	Severe Thunderstorm Warning	EAX	Jackson	30 min
Apr 14, 8:23 PM CDT	Severe Thunderstorm Warning	EAX	Andrew	32 min
Apr 14, 8:25 PM CDT	Flash Flood Warning	EAX	Andrew, Holt	3 hr
Apr 14, 8:29 PM CDT	Tornado Warning	EAX	Andrew	31 min
Apr 14, 8:58 PM CDT	Tornado Warning	EAX	DeKalb	22 min
Apr 14, 9:06 PM CDT	Severe Thunderstorm Warning	EAX	Buchanan	29 min
Apr 14, 9:10 PM CDT	Severe Thunderstorm Warning	EAX	Andrew, DeKalb	30 min
Apr 14, 9:27 PM CDT	Severe Thunderstorm Warning	EAX	Bates	43 min
Apr 14, 9:50 PM CDT	Flash Flood Warning	EAX	DeKalb	3 hr
Apr 14, 10:12 PM CDT	Tornado Warning	EAX	Cass, Henry, Johnson	48 min
Apr 14, 11:02 PM CDT	Severe Thunderstorm Warning	EAX	Pettis	28 min
Apr 14, 11:26 PM CDT	Tornado Warning	EAX	Bates, Cass	29 min
Apr 14, 11:53 PM CDT	Severe Thunderstorm Warning	EAX	Henry, Johnson	47 min
Apr 15, 12:01 AM CDT	Severe Thunderstorm Warning	EAX	Gentry	29 min
Apr 15, 3:44 AM CDT	Severe Thunderstorm Warning	EAX	Bates	51 min

Nearby

Tornado Warnings in Missouri, 1998 Every tornado warning in 1998 Tornadoes in 1998

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; radar from the NEXRAD Level II archive.