Alert archive / Missouri / Tornado Warnings in 1998

Tornado Warning 34, NWS Springfield, MO

June 18, 1998Greene County, Missouri

NWS Springfield, MO issued this tornado warning at Jun 18, 1998, 7:57 PM CDT for Greene County, Missouri. It was in force for 48 min. 2 reports 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: Jun 18, 1998, 7:57 PM CDT (00:57 UTC)
Expired: Jun 18, 1998, 8:45 PM CDT
In force: 48 min
Issued by: NWS Springfield, MO
Area: Whole counties

County Greene County, MO

What was reported inside it

Time	Report	Where	Remark
Jun 18, 8:00 PM CDT	Hail 0.75	Walnut Grove, MO
Jun 18, 8:40 PM CDT	Hail 0.75	Strafford, MO

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
Jun 18, 6:15 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 1.0 hours before the alert went out and 57 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: 3542 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 1049 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 126 m²/s²
0-3 km storm-relative helicity: 144 m²/s²
Significant tornado parameter: 2.1
Supercell composite: 12.4

Open this sounding in Storm Lab

The text

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

861 
WFUS1 KSGF 190058 RRA
TORSGF
MOC077-190145-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
757 PM CDT THU JUN 18 1998

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN GREENE COUNTY IN SOUTHWESTERN MISSOURI

* UNTIL 845 PM CDT

* AT 758 PM DOPPLER RADAR INDICATED A TORNADO NORTH OF EVERTON...25
  MILES NORTHWEST OF SPRINGFIELD.  THIS STORM WAS MOVING EAST AT 30
  MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  WALNUT GROVE BY 8 PM
  SACVILLE AND CAVE SPRING BY 815 PM
  EBENEZER BY 825 PM


THIS STORM WILL REMAIN WELL NORTH OF THE CITY OF SPRINGFIELD.

THIS IS A DANGEROUS SITUATION.  MOVE QUICKLY TO A DESIGNATED
SHELTER...BASEMENT...OR INTO AN INTERIOR ROOM ON THE LOWEST FLOOR OF
YOUR BUILDING.

TAGGART/RUNNELS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 18, 7:05 PM CDT	Severe Thunderstorm Warning	SGF	Dallas	50 min
Jun 18, 7:17 PM CDT	Severe Thunderstorm Warning	SGF	Camden, Pulaski	63 min
Jun 18, 7:24 PM CDT	Severe Thunderstorm Warning	SGF	Dade, Polk	66 min
Jun 18, 7:36 PM CDT	Severe Thunderstorm Warning	SGF	Laclede	64 min
Jun 18, 7:38 PM CDT	Tornado Warning	SGF	Dade	52 min
Jun 18, 7:42 PM CDT	Severe Thunderstorm Warning	SGF	Barton	33 min
Jun 18, 8:04 PM CDT	Severe Thunderstorm Warning	SGF	Jasper, Newton	66 min
Jun 18, 8:19 PM CDT	Severe Thunderstorm Warning	SGF	Phelps, Pulaski	66 min
Jun 18, 8:32 PM CDT	Severe Thunderstorm Warning	SGF	Dade	33 min
Jun 18, 8:47 PM CDT	Tornado Warning	SGF	Newton	33 min
Jun 18, 8:58 PM CDT	Severe Thunderstorm Warning	SGF	Webster	47 min
Jun 18, 9:07 PM CDT	Severe Thunderstorm Warning	SGF	Greene	48 min
Jun 18, 9:32 PM CDT	Flash Flood Warning	SGF	Greene	3 hr
Jun 18, 9:47 PM CDT	Severe Thunderstorm Warning	SGF	Dent, Texas	48 min
Jun 18, 9:57 PM CDT	Tornado Warning	SGF	Dent	38 min
Jun 18, 10:29 PM CDT	Severe Thunderstorm Warning	SGF	Taney	36 min
Jun 18, 10:39 PM CDT	Flash Flood Warning	SGF	Dent, Texas	3 hr
Jun 18, 10:47 PM CDT	Tornado Warning	SGF	Taney	48 min
Jun 18, 10:57 PM CDT	Severe Thunderstorm Warning	SGF	Shannon, Texas	63 min
Jun 18, 10:57 PM CDT	Severe Thunderstorm Warning	SGF	Douglas, Ozark	63 min
Jun 19, 12:56 AM CDT	Severe Thunderstorm Warning	SGF	Oregon	34 min
Jun 19, 6:18 PM CDT	Severe Thunderstorm Warning	SGF	Cedar	47 min
Jun 19, 6:59 PM CDT	Severe Thunderstorm Warning	SGF	Hickory, St. Clair	66 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.