Tornado Watch 75

Issued

Mar 12, 2006, 4:49 PM CST (22:49 UTC)

Expired

Mar 12, 2006, 9:54 PM CST

In force

5 hr

Issued by

the Storm Prediction Center

The Lincoln radar (KILX), 103 km from the middle of the area, began a volume at 22:49 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 260Mar 12, 2:33 PM CST
• Mesoscale Discussion 263Mar 12, 4:22 PM CST
• Mesoscale Discussion 268Mar 12, 7:15 PM CST
• Mesoscale Discussion 269Mar 12, 8:00 PM CST

000 
WWUS20 KWNS 122248
SEL5  
SPC WW 122248
IAZ000-ILZ000-INZ000-130600-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 75
NWS STORM PREDICTION CENTER NORMAN OK
450 PM CST SUN MAR 12 2006

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

       SOUTHEAST IOWA
       NORTH CENTRAL ILLINOIS
       NORTHWEST INDIANA

EFFECTIVE THIS SUNDAY AFTERNOON FROM 450 PM UNTIL MIDNIGHT 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 35 STATUTE MILES
NORTH AND SOUTH OF A LINE FROM 90 MILES EAST SOUTHEAST OF
MARSEILLES ILLINOIS TO 55 MILES WEST NORTHWEST OF BURLINGTON IOWA.
 FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU5).

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 73...WW 74...

DISCUSSION...ISOLATED INTENSE THUNDERSTORMS ARE ONGOING ACROSS NORTH
CENTRAL IL...CAPABLE OF LARGE HAIL.  OTHER STORMS ARE EXPECTED TO
SPREAD INTO THIS REGION THIS EVENING AS PRIMARY SURFACE LOW
APPROACHES AND WARM FRONT LIFTS NORTHWARD.  EXTREMELY STRONG WIND
FIELDS AND DYNAMIC FORCING WILL POSE THE RISK OF ISOLATED TORNADOES
IN A FEW HOURS.

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 500.
MEAN STORM MOTION VECTOR 24040.


...HART

Tornado Watches in Illinois, 2006Tornado Watches in Iowa, 2006Tornado Watches in Indiana, 2006Every tornado watch in 2006

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.