Tornado Watch 620

Issued

Jun 19, 1998, 6:45 PM CDT (23:45 UTC)

Expired

Jun 20, 1998, 1:00 AM CDT

In force

6 hr

Issued by

the Storm Prediction Center

The Tulsa radar (KINX), 156 km from the middle of the area, began a volume at 23:45 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.

330 
WWUS9 KMKC 192327
SEL0  
MKC WW 192327
KSZ000-MOZ000-200600-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 620
STORM PREDICTION CENTER NORMAN OK
627 PM CDT FRI JUN 19 1998

THE STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF

   EASTERN KANSAS                             
   CENTRAL AND SOUTHERN MISSOURI                           

EFFECTIVE THIS FRIDAY NIGHT AND SATURDAY MORNING FROM 645 PM UNTIL
100 AM CDT.

TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 170 STATUTE MILES EAST AND WEST
OF A LINE FROM 35 MILES SOUTHWEST OF JOPLIN MISSOURI TO 100 MILES
NORTHEAST OF CHANUTE KANSAS.

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. 
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.

OTHER WATCH INFORMATION...  CONTINUE...WW 617...WW 618...WW 619...

DISCUSSION...POTENTIAL FOR SUPERCELLS WITH LARGE HAIL/HIGH WINDS
AND ISOLATED TORNADOES THIS EVENING AS WARM ADVECTION INCREASES
INVOF DEVELOPING WARM FRONT.  VERY RICH BOUNDARY LAYER MOISTURE
INFLOW /DEWPOINTS IN THE MID 70S/ AND MODERATE DEGREE OF LOW-LEVEL
VEERING SUGGEST THREAT FOR TORNADOES DESPITE SOMEWHAT UNFOCUSED
LOW-LEVEL CONVERGENCE.     

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES.  EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 70 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 520. 
MEAN STORM MOTION VECTOR 24030.


...CORFIDI

364,0980 384,0972 384,0910 364,0915

Tornado Watches in Missouri, 1998Tornado Watches in Kansas, 1998Tornado Watches in Oklahoma, 1998Every tornado watch 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.