Alert archive / Missouri / Tornado Warnings in 1997

Tornado Warning 14, NWS Springfield, MO

May 26, 1997St. Clair County, Missouri

NWS Springfield, MO issued this tornado warning at May 26, 1997, 12:58 AM CDT for St. Clair County, Missouri. It was in force for 47 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: May 26, 1997, 12:58 AM CDT (05:58 UTC)
Expired: May 26, 1997, 1:45 AM CDT
In force: 47 min
Issued by: NWS Springfield, MO
Area: Whole counties

County St. Clair County, MO

The radar

The Springfield radar (KSGF), 95 km from the middle of the area, began a volume at 06:00 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
May 26, 1:15 AM CDT	Hail 1	Osceola, 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
May 25, 10:00 PM CDT	Tornado Watch	SPC	4 hr
May 26, 12:30 AM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 6.0 hours before the alert went out and 126 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: 418 J/kg
Mixed-layer CIN: -54 J/kg
Mixed-layer LCL: 1632 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 29 m²/s²
0-3 km storm-relative helicity: 94 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.0

Open this sounding in Storm Lab

The text

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

593 
WFUS1 KSGF 260559 RRA
TORSGF
MOC185-260645-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1258 AM CDT MON MAY 26 1997

* TORNADO WARNING FOR
  ST. CLAIR COUNTY - WEST CENTRAL MISSOURI

* UNTIL 145 AM CDT
 
* SOME AREAS AFFECTED
  CHALK LEVEL BY 100 AM
  MONEGAW SPRINGS BY 105 AM
  OSCEOLA THROUGH 130 AM
  VISTA BY 110 AM

* AT 1255 AM SPRINGFIELD DOPPLER RADAR INDICATED A TORNADO
  NEAR JOHNSON CITY AND ALSO NEAR OSCEOLA.  THIS STORM WAS
  MOVING EAST-NORTHEAST AT 20 MPH.
 
...IF YOU LIVE IN OSCEOLA OR ANYWHERE IN ST CLAIR COUNTY SEEK SHELTER
NOW...

JDG/JLT

The office that day

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

Issued	Product	Office	Counties	Lasted
May 25, 10:10 PM CDT	Severe Thunderstorm Warning	SGF	Benton, Hickory, St. Clair	50 min
May 25, 10:44 PM CDT	Tornado Warning	SGF	Benton	36 min
May 25, 11:04 PM CDT	Severe Thunderstorm Warning	SGF	Camden, Miller, Pulaski	51 min
May 25, 11:13 PM CDT	Severe Thunderstorm Warning	SGF	Vernon	32 min
May 26, 12:08 AM CDT	Tornado Warning	SGF	St. Clair	52 min
May 26, 1:14 AM CDT	Severe Thunderstorm Warning	SGF	Benton, Hickory	51 min
May 26, 1:39 AM CDT	Flash Flood Warning	SGF	Benton, St. Clair	3 hr
May 26, 2:32 AM CDT	Severe Thunderstorm Warning	SGF	Laclede	33 min
May 26, 6:00 PM CDT	Severe Thunderstorm Warning	SGF	Shannon	50 min
May 26, 6:19 PM CDT	Severe Thunderstorm Warning	SGF	Christian, Stone	66 min
May 26, 6:45 PM CDT	Severe Thunderstorm Warning	SGF	Jasper, Newton	65 min
May 26, 6:50 PM CDT	Severe Thunderstorm Warning	SGF	Ozark, Taney	70 min
May 26, 6:57 PM CDT	Severe Thunderstorm Warning	SGF	Lawrence	78 min

Nearby

Tornado Warnings in Missouri, 1997 Every tornado warning in 1997 Tornadoes in 1997

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.