Severe Thunderstorm Warning 28, NWS Lincoln, IL

Issued

Apr 29, 1998, 8:23 PM CDT (01:23 UTC)

Expired

Apr 29, 1998, 9:15 PM CDT

In force

52 min

Issued by

NWS Lincoln, IL

Area

Whole counties

Counties Mason County, IL, Tazewell County, IL

The Lincoln radar (KILX), 41 km from the middle of the area, began a volume at 01:24 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.

000 
TTAA00 KSPI 300123 RRA
SVRSPI
ILC125-179-300215-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
823 PM CDT WED APR 29 1998

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR
  NORTHERN MASON COUNTY IN CENTRAL ILLINOIS
  WESTERN TAZEWELL COUNTY IN CENTRAL ILLINOIS

* UNTIL 915 PM CDT

* AT 815 PM CDT LINCOLN DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  25 MILES SOUTHWEST OF PEORIA...MOVING NORTH AT 20 MPH.

* THIS STORM IS EXPECTED TO AFFECT AREAS AROUND...
  MANITO
  POWERTON
  SOUTH PEKIN
  PEKIN

LARGE HAIL CAN BE EXPECTED WITH THIS STORM. GET INSIDE A STURDY
BUILDING AND STAY AWAY FROM WINDOWS.

REMEMBER...SEVERE THUNDERSTORMS MAY PRODUCE TORNADOES AT ANY TIME.

BYRD

NWS Lincoln, IL wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 29, 2:00 PM CDT, 6 hours 23 minutes earlier.

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LINCOLN IL
200 PM CDT WED APR 29 1998

AT 18Z SFC LOW WAS LOCATED OVR ERN KS WITH BNDRY EXTENDING THRU NRN MO
AND INTO CNTRL IL.  DWPTS INTO THE LOW 60S HAVE ADVECTED INTO ERN AND
SERN PARTS OF CWA.  SAT TRENDS SHOW CLOUDS BREAKING UP ACRS SRN HALF OF
STATE AND THIS HELPING TO CREATE LIS AROUND -2 WITH NO CAP.  MODIFIED
12Z SOUNDING AT ILX AND ETA MDL FCST GIVES CAPE VALUES ABOVE 500-800
J/KG.  SHR VALUES ARE MINIMAL BUT BNDRY EVIDENT ON SATELLITE FROM CNTRL
MO INTO ARK IS MOVING INTO WRN IL THIS AFTERNOON.  BLV ETA MDL UNDERDOES
MOISTURE AT LOW LEVELS INCLUDING 850.  45 TO 50KT JET MAX AT 500 LOOKS
GOOD BUT MOST OF WIND DYNAMICS ARE WEAK. HOWEVER...CAA ADVECTION AT 500
AND INSTABILITY AND MOISTURE SHOULD BE ENOUGH TO PRODUCE SCATTERED
THUNDERSTORMS THIS AFTERNOON INTO TONIGHT.  WINDS SHOULD REMAIN OUT OF
SOUTH TONIGHT...BUT SWITCH TO SOUTHWEST TOMORROW MORNING.  GUIDANCE HAS
LOW POPS TONIGHT WITH CHC FOR TOMORROW.  BLV AFTER INITIAL RWS AND
THUNDERSTORMS TONIGHT...WILL BE BREAK IN PCPN TIL TOMORROW LATE MORNING
AND AFTERNOON.

CLOUDS TONIGHT AND SOUTH WINDS WILL KEEP TEMPERATURES ABOVE NORMAL.
TOMORROW CLOUDS WILL CONT.  AS LOW MOVES EAST-SOUTHEAST...CWA SHOULD BE
ON NORTH TO NORTHWEST SIDE OF LOW.  THIS WILL KEEP US IN CLOUDS TOMORROW
AND MILDER TEMPS.  GUIDANCE LOOKS REASONABLE.

INPUT COMING SHORTLY.

PIA  52/66  74
SPI  54/67  74
DEC  53/67  74
CMI  52/66  74
LWV  56/68  74

AUTEN

Severe Thunderstorm Warnings in Illinois, 1998Every severe thunderstorm warning in 1998

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.