Alert archive / Missouri / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 21, NWS Springfield, MO

April 3, 1998Taney County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Apr 3, 1998, 12:57 PM CST for Taney County, Missouri. It was in force for 48 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: Apr 3, 1998, 12:57 PM CST (18:57 UTC)
Expired: Apr 3, 1998, 1:45 PM CST
In force: 48 min
Issued by: NWS Springfield, MO
Area: Whole counties

County Taney County, MO

The radar

The Springfield radar (KSGF), 72 km from the middle of the area, began a volume at 18:59 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 3, 1:20 PM CST	Hail 0.75	Protem, 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 nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 7.0 hours before the alert went out and 73 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: 31 J/kg
Mixed-layer CIN: -126 J/kg
Mixed-layer LCL: 868 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 74 m²/s²
0-3 km storm-relative helicity: 80 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.

245 
WUUS1 KSGF 031859 RRA
SVRSGF
MOC213-031945-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1257 PM CST FRI APR 3 1998

* SEVERE THUNDERSTORM WARNING FOR
  TANEY COUNTY - SOUTHWESTERN MISSOURI
 
* UNTIL 145 PM CST

* SOME AREAS AFFECTED
  CEDAR CREEK
  HILDA

* AT 1258 PM SPRINGFIELD DOPPLER RADAR INDICATED A SEVERE
  THUNDERSTORM PRODUCING LARGE HAIL THE SIZE OF QUARTERS.
  THIS STORM WAS LOCATED 5 MILES SOUTH OF FORSYTH AND WAS
  MOVING SOUTHEAST AT 15 MPH.
 
STRONG GUSTY WINDS...FREQUENT LIGHTNING...VERY HEAVY RAINFALL AND
LARGE  HAIL MAY ACCOMPANY THE STRONGER STORMS.

DSA/JT

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 3, 12:36 AM CST	Severe Thunderstorm Warning	SGF	Jasper, Newton	34 min
Apr 3, 12:37 PM CST	Severe Thunderstorm Warning	SGF	Stone	33 min
Apr 3, 12:51 PM CST	Severe Thunderstorm Warning	SGF	Christian	34 min
Apr 3, 1:10 PM CST	Severe Thunderstorm Warning	SGF	Ozark	65 min
Apr 3, 1:38 PM CST	Severe Thunderstorm Warning	SGF	Howell	47 min
Apr 3, 2:18 PM CST	Severe Thunderstorm Warning	SGF	Douglas, Howell, Ozark	47 min

Nearby

Severe Thunderstorm Warnings in Missouri, 1998 Every severe thunderstorm warning 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.