Alert archive / Missouri / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 124, NWS Springfield, MO

May 23, 1999Cedar County, St. Clair County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at May 23, 1999, 2:23 AM CDT for Cedar County, 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 23, 1999, 2:23 AM CDT (07:23 UTC)
Expired: May 23, 1999, 3:10 AM CDT
In force: 47 min
Issued by: NWS Springfield, MO
Area: Whole counties

Counties Cedar County, MO, St. Clair County, MO

The radar

The Springfield radar (KSGF), 81 km from the middle of the area, began a volume at 07:22 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 23, 2:29 AM CDT	Hail 1	Stockton, 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 23, 12:15 AM CDT	Severe Thunderstorm Watch	SPC	5 hr
May 23, 2:15 AM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 7.4 hours before the alert went out and 109 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: 189 J/kg
Mixed-layer CIN: -135 J/kg
Mixed-layer LCL: 1465 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 30 m²/s²
0-3 km storm-relative helicity: 83 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.8

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Springfield, MO wrote its last area forecast discussion before this severe thunderstorm warning went out at May 22, 2:40 PM CDT, 11 hours 43 minutes earlier.

Area forecast discussion, May 22, 2:40 PM CDT, 11 hours 43 minutes before

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In the hours before

Special weather statement, May 22, 11:57 PM CDT, 2 hours 26 minutes before

KSZ073-097-101-MOZ055-066>067-077>078-088>089-093>094-101>102-231000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1157 PM CDT SAT MAY 22 1999

...SEVERE THUNDERSTORM WATCH IN EFFECT FOR SOUTHEAST KANSAS ALONG
WITH SOUTHWEST MISSOURI UNTIL 500 AM...

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH
EFFECTIVE UNTIL 500 AM FOR THE FOLLOWING COUNTIES:

IN KANSAS: BOURBON        CHEROKEE       CRAWFORD

IN MISSOURI:
BARRY      BARTON         BENTON         CEDAR         DADE
JASPER     LAWRENCE       MCDONALD       NEWTON        ST. CLAIR
VERNON

A COMPLEX OF THUNDERSTORMS OVER EASTERN KANSAS WILL MOVE INTO
SOUTHEAST KANSAS AND WESTERN MISSOURI DURING THE OVERNIGHT HOURS.
DAMAGING WINDS IN EXCESS OF 60 MPH HAD BEEN REPORTED WITH THE STORMS
AND WILL BE THE MAIN SEVERE WEATHER THREAT OVERNIGHT.

STAY TUNED TO THIS STATION FOR LATER STATEMENTS AND POSSIBLE WARNINGS.

SUTTON

Special weather statement, May 22, 11:57 PM CDT, 2 hours 26 minutes before

KSZ073-097-101-MOZ055-066>067-077>078-088>089-093>094-101>102-231000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1157 PM CDT SAT MAY 22 1999

...SEVERE THUNDERSTORM WATCH IN EFFECT FOR SOUTHEAST KANSAS ALONG
WITH SOUTHWEST MISSOURI UNTIL 500 AM...

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH
EFFECTIVE UNTIL 500 AM FOR THE FOLLOWING COUNTIES:

IN KANSAS: BOURBON        CHEROKEE       CRAWFORD

IN MISSOURI:
BARRY      BARTON         BENTON         CEDAR         DADE
JASPER     LAWRENCE       MCDONALD       NEWTON        ST. CLAIR
VERNON

A COMPLEX OF THUNDERSTORMS OVER EASTERN KANSAS WILL MOVE INTO
SOUTHEAST KANSAS AND WESTERN MISSOURI DURING THE OVERNIGHT HOURS.
DAMAGING WINDS IN EXCESS OF 60 MPH HAD BEEN REPORTED WITH THE STORMS
AND WILL BE THE MAIN SEVERE WEATHER THREAT OVERNIGHT.

STAY TUNED TO THIS STATION FOR LATER STATEMENTS AND POSSIBLE WARNINGS.

SUTTON

Special weather statement, May 23, 2:11 AM CDT, 12 minutes before

KSZ073-097-101-MOZ055-066>069-077>081-088>096-101>105-231200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
211 AM CDT SUN MAY 23 1999

...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 700 AM FOR PORTIONS OF
CENTRAL AND SOUTHWEST MISSOURI...
...SEVERE THUNDERSTORM WATCH FOR SOUTHEAST KANSAS AND PORTIONS OF
WEST CENTRAL MISSOURI HAD BEEN CANCELLED...

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH
EFFECTIVE UNTIL 700 AM CDT FOR THE FOLLOWING COUNTIES IN CENTRAL AND
SOUTHWEST MISSOURI:

BARRY...          CAMDEN...         CHRISTIAN...      DADE...
DALLAS...         DOUGLAS...        GREENE...         HICKORY...
JASPER...         LACLEDE...        LAWRENCE...       MCDONALD...
NEWTON...         OZARK...          POLK...           STONE...
TANEY...          WEBSTER...        WRIGHT...

THE SEVERE THUNDERSTORM WATCH THAT HAD BEEN IN EFFECT FOR SOUTHEAST
KANSAS AND PORTIONS OF WEST CENTRAL MISSOURI HAD BEEN CANCELLED. THE
FOLLOWING COUNTIES ARE NO LONGER IN A SEVERE THUNDERSTORM WATCH:

IN KANSAS:   BOURBON   CHEROKEE   CRAWFORD
IN MISSOURI: BARTON    VERNON     CEDAR    ST. CLAIR  BENTON

SUTTON

The office that day

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

Issued	Product	Office	Counties	Lasted
May 23, 12:09 AM CDT	Severe Thunderstorm Warning	SGF	Vernon	51 min
May 23, 1:20 AM CDT	Severe Thunderstorm Warning	SGF	Barton, Vernon	65 min
May 23, 2:19 AM CDT	Severe Thunderstorm Warning	SGF	Dade, Jasper	41 min
May 23, 2:35 AM CDT	Severe Thunderstorm Warning	SGF	McDonald, Newton	50 min
May 23, 2:51 AM CDT	Severe Thunderstorm Warning	SGF	Barry, Lawrence	49 min
May 23, 3:21 AM CDT	Flash Flood Warning	SGF	Vernon	3 hr
May 23, 12:58 AM CDT	Severe Thunderstorm Warning	SGF	Bourbon, Crawford	47 min

Nearby

Severe Thunderstorm Warnings in Missouri, 1999 Every severe thunderstorm warning in 1999

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.