Tornado Watch 305

Issued

May 8, 2003, 1:50 PM CDT (18:50 UTC)

Expired

May 8, 2003, 9:00 PM CDT

In force

7 hr

Issued by

the Storm Prediction Center

The Grand Island radar (KUEX), 68 km from the middle of the area, began a volume at 18:49 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.

• Mesoscale Discussion 851May 8, 1:07 PM CDT
• Mesoscale Discussion 857May 8, 3:26 PM CDT
• Mesoscale Discussion 858May 8, 3:34 PM CDT
• Mesoscale Discussion 859May 8, 3:35 PM CDT
• Mesoscale Discussion 861May 8, 4:16 PM CDT
• Mesoscale Discussion 865May 8, 6:38 PM CDT
• Mesoscale Discussion 867May 8, 7:13 PM CDT

000 
WWUS20 KWNS 081853
SEL5  
SPC WW 081850
KSZ000-NEZ000-090200-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 305 
NWS STORM PREDICTION CENTER NORMAN OK 
150 PM CDT THU MAY 8 2003

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

       NORTH CENTRAL INTO NORTHEASTERN KANSAS
       SOUTH CENTRAL AND SOUTHEASTERN NEBRASKA

EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 150 PM UNTIL
900 PM CDT.

...THIS IS A PARTICULARLY DANGEROUS SITUATION...

DESTRUCTIVE TORNADOES...LARGE HAIL TO 3 INCHES IN DIAMETER...
THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE
POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 80 STATUTE MILES NORTH AND
SOUTH OF A LINE FROM 25 MILES NORTHEAST OF TOPEKA KANSAS TO 25
MILES NORTH OF HILL CITY 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 300...WW 301...WW 302...WW
303...WW 304...


DISCUSSION...CONVECTION SHOULD RAPIDLY DEVELOP NEAR LOW CENTER INVOF
RSL AND ALONG DRY LINE MIXING EWD EAST OF A P28 TO GBD LINE IN THE
NEXT HOUR OR SO.  AIR MASS IS STRONGLY UNSTABLE AND WEAKLY
CAPPED...WITH MLCAPES NOW IN EXCESS OF 3000 J/KG OVER S-CENTRAL KS. 
AS SURFACE LOW DEVELOPS EWD AND LARGE SCALE ASCENT INCREASES OVER KS
THIS AFTERNOON...CLEARING IS EXPECTED TO SPREAD NWD AND ALLOW WARM
FRONT TO BECOME ESTABLISHED NEAR THE NE/KS BORDER BY THE EARLY
EVENING.  THUS THE THREAT OF TORNADIC SUPERCELLS SHOULD SPREAD
GRADUALLY EAST AND THEN NORTHEASTWARD ACROSS WW INTO THE EVENING. 
PARAMETERS CONTINUE TO SUPPORT A THREAT OF STRONG/VIOLENT TORNADOES
WITHIN THIS REGION.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.
MEAN STORM MOTION VECTOR 24035.


...EVANS

380,0951 383,0994 405,0994 402,0951 

WWUS20 KWNS 081853
SEL5  
SPC WW 081850
KSZ000-NEZ000-090200-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 305 
NWS STORM PREDICTION CENTER NORMAN OK 
150 PM CDT THU MAY 8 2003

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

       NORTH CENTRAL INTO NORTHEASTERN KANSAS
       SOUTH CENTRAL AND SOUTHEASTERN NEBRASKA

EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 150 PM UNTIL
900 PM CDT.

...THIS IS A PARTICULARLY DANGEROUS SITUATION...

DESTRUCTIVE TORNADOES...LARGE HAIL TO 3 INCHES IN DIAMETER...
THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE
POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 80 STATUTE MILES NORTH AND
SOUTH OF A LINE FROM 25 MILES NORTHEAST OF TOPEKA KANSAS TO 25
MILES NORTH OF HILL CITY 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 300...WW 301...WW 302...WW
303...WW 304...


DISCUSSION...CONVECTION SHOULD RAPIDLY DEVELOP NEAR LOW CENTER INVOF
RSL AND ALONG DRY LINE MIXING EWD EAST OF A P28 TO GBD LINE IN THE
NEXT HOUR OR SO.  AIR MASS IS STRONGLY UNSTABLE AND WEAKLY
CAPPED...WITH MLCAPES NOW IN EXCESS OF 3000 J/KG OVER S-CENTRAL KS. 
AS SURFACE LOW DEVELOPS EWD AND LARGE SCALE ASCENT INCREASES OVER KS
THIS AFTERNOON...CLEARING IS EXPECTED TO SPREAD NWD AND ALLOW WARM
FRONT TO BECOME ESTABLISHED NEAR THE NE/KS BORDER BY THE EARLY
EVENING.  THUS THE THREAT OF TORNADIC SUPERCELLS SHOULD SPREAD
GRADUALLY EAST AND THEN NORTHEASTWARD ACROSS WW INTO THE EVENING. 
PARAMETERS CONTINUE TO SUPPORT A THREAT OF STRONG/VIOLENT TORNADOES
WITHIN THIS REGION.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.
MEAN STORM MOTION VECTOR 24035.


...EVANS

380,0951 383,0994 405,0994 402,0951

Tornado Watches in Kansas, 2003Tornado Watches in Nebraska, 2003Tornado Watches in Missouri, 2003Every tornado watch in 2003

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.