Tornado Watch 104

Issued

Mar 30, 2005, 11:05 AM CST (17:05 UTC)

Expired

Mar 30, 2005, 4:00 PM CST

In force

5 hr

Issued by

the Storm Prediction Center

The Quad Cities radar (KDVN), 66 km from the middle of the area, began a volume at 17:08 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 431Mar 30, 10:46 AM CST
• Mesoscale Discussion 433Mar 30, 12:08 PM CST
• Mesoscale Discussion 435Mar 30, 1:23 PM CST
• Mesoscale Discussion 438Mar 30, 3:18 PM CST
• Mesoscale Discussion 439Mar 30, 3:54 PM CST

000 
WWUS20 KWNS 301703
SEL4  
SPC WW 301703
IAZ000-ILZ000-MOZ000-WIZ000-302200-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 104
NWS STORM PREDICTION CENTER NORMAN OK
1105 AM CST WED MAR 30 2005

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

       EASTERN IOWA
       NORTHERN AND WESTERN ILLINOIS
       NORTHEAST MISSOURI
       SOUTHWESTERN WISCONSIN

EFFECTIVE THIS WEDNESDAY MORNING AND AFTERNOON FROM 1105 AM UNTIL
400 PM CST.

TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 90 STATUTE MILES
EAST AND WEST OF A LINE FROM 35 MILES NORTH OF LONEROCK WISCONSIN
TO 50 MILES EAST OF KIRKSVILLE MISSOURI.  FOR A COMPLETE DEPICTION
OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS
WOU4).

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 103...

DISCUSSION...DEEP SFC LOW MOVING EWD ACROSS SRN IA WITH AIRMASS
RAPIDLY DESTABILIZING ON STRONG LOW LEVEL JET INTO WATCH AREA. WITH
VERY FAVORABLE/STRONG DEEP LAYER SHEAR...COUPLED WITH MDT
INSTABILITY...BOTH SUPERCELLS AND SHORT LINES/BOW ECHOES EXPECTED TO
DEVELOP AHEAD OF SYSTEM AS IT MOVES ACROSS IA. WHILE PRIMARY THREAT
WILL BE DAMAGING WINDS AND HAIL...TORNADIC SUPERCELLS ARE ALSO
EXPECTED.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450.
MEAN STORM MOTION VECTOR 23040.


...HALES

434,0882 400,0895 400,0931 434,0915

Tornado Watches in Iowa, 2005Tornado Watches in Illinois, 2005Tornado Watches in Wisconsin, 2005Every tornado watch in 2005

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.