Alert archive / Missouri / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 327, NWS St. Louis, MO

October 29, 1998Lincoln County, Pike County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at Oct 29, 1998, 5:40 PM CST for Lincoln County, Pike County, Missouri. It was in force for 30 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Oct 29, 1998, 5:40 PM CST (23:40 UTC)
Expired: Oct 29, 1998, 6:10 PM CST
In force: 30 min
Issued by: NWS St. Louis, MO
Area: Whole counties

Counties Lincoln County, MO, Pike County, MO

The radar

The St Louis radar (KLSX), 65 km from the middle of the area, began a volume at 23:40 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Oct 29, 3:15 PM CST	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 11.7 hours before the alert went out and 236 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 934 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 155 m²/s²
0-3 km storm-relative helicity: 203 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.

000 
TTAA00 KSTL 292346 COR
SVRSTL
MOC113-163-300010-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING...CORRECTED EXPIRATION TIME
NATIONAL WEATHER SERVICE ST LOUIS MO
540 PM CST THU OCT 29 1998

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN LINCOLN COUNTY IN EAST CENTRAL MISSOURI
  SOUTHEASTERN PIKE COUNTY MISSOURI IN NORTHEASTERN MISSOURI

* UNTIL 610 PM CST

* AT 537 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM ALONG THE PIKE-LINCOLN COUNTY BORDER...JUST
  SOUTH PAYNESVILLE... MOVING EAST AT 25 MPH.

* LOCATIONS THAT WILL BE AFFECTED...
  ANNADA
  ROUTES W
  ROUTE CC
  HIGHWAY 79
  ELSBERRY

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND GUSTS IN EXCESS OF 60
MPH...DAMAGING HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. MOVE
TO AN INTERIOR ROOM ON THE LOWEST FLOOR OR YOUR HOME OR BUSINESS.
HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE
WATER COVERS THE ROAD.

GKS

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.

In the hours before

Special weather statement, Oct 29, 5:20 PM CST, 20 minutes before

ILZ058>060-064-065-069-070-074-079-095>102-MOZ009-010-018-019-026-
027-034>036-041-042-047>052-059>065-072>075-084-085-099-300015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
520 PM CST THU OCT 29 1998

THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR PORTIONS OF
NORTHEAST AND CENTRAL MISSOURI AND WEST CENTRAL ILLINOIS.

THE FOLLOWING COUNTIES ARE NO LONGER IN THE WATCH...

IN ILLINOIS...

BROWN         ADAMS

IN MISSOU6RI...

MARION        RALLS         MONROE
AUDRAIN       CALLAWAY      COLE

.END

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 29, 4:02 PM CST	Severe Thunderstorm Warning	LSX	Washington	63 min
Oct 29, 4:27 PM CST	Severe Thunderstorm Warning	LSX	Jefferson	48 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.