Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
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Watch Status Reports.
SEL6
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 706
NWS STORM PREDICTION CENTER NORMAN OK
800 PM CDT SAT JUL 19 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
SOUTHERN AND EASTERN IOWA
FAR NORTHWEST ILLINOIS
EFFECTIVE THIS SATURDAY NIGHT FROM 800 PM UNTIL MIDNIGHT CDT.
TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 50 STATUTE
MILES EITHER SIDE OF A LINE FROM 30 MILES NORTH OF MOLINE
ILLINOIS TO 50 MILES SOUTH OF DENISON IOWA. FOR A COMPLETE
DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE
(WOUS64 KWNS WOU6).
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 703...WW 704...WW 705...
DISCUSSION...BROKEN LINE OF SUPERCELLS/BOW ECHOES WILL CONTINUE
SAGGING SSEWD ACROSS WW THROUGH THE EVENING WITHIN A VERY UNSTABLE
AIR MASS. WSWLY LLJ FROM 25-30 KT IS FORECAST TO DEVELOP THIS
EVENING ACROSS THIS REGION...ENHANCING LOW LEVEL SHEAR AND POTENTIAL
FOR TORNADOES. DAMAGING WINDS AND ISOLATED LARGE HAIL WILL BE
ADDITIONAL HAZARDS.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 34035.
...EVANS
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW6
WW 706 TORNADO IA IL 200100Z - 200500Z
AXIS..50 STATUTE MILES EITHER SIDE OF LINE..
30N MLI/MOLINE IL/ - 50S DNS/DENISON IA/
..AVIATION COORDS.. 45NM EITHER SIDE /32SSE DBQ - 17ENE OVR/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 34035.
LAT...LON 41169037 40549526 41979550 42599062
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU6.
Watch 706 Status Report Messages:
STATUS REPORT #4 ON WW 706
VALID 200440Z - 200500Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 ENE LWD
TO 15 NNE MLI.
REMAINING VALID PORTION OF WW 706 MAY BE ALLOWED TO EXPIRE AT
20/05Z.
..KERR..07/20/08
ATTN...WFO...DMX...DVN...
&&
STATUS REPORT FOR WT 706
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ILC131-161-200500-
IL
. ILLINOIS COUNTIES INCLUDED ARE
MERCER ROCK ISLAND
$$
IAC007-051-057-087-101-111-115-135-139-163-177-179-183-185-
200500-
IA
. IOWA COUNTIES INCLUDED ARE
APPANOOSE DAVIS DES MOINES
HENRY JEFFERSON LEE
LOUISA MONROE MUSCATINE
SCOTT VAN BUREN WAPELLO
WASHINGTON WAYNE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 706
VALID 200435Z - 200540Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 ENE LWD
TO 20 NNE MLI.
..KERR..07/20/08
ATTN...WFO...DMX...DVN...
&&
STATUS REPORT FOR WT 706
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ILC131-161-200540-
IL
. ILLINOIS COUNTIES INCLUDED ARE
MERCER ROCK ISLAND
$$
IAC007-051-057-087-101-111-115-135-139-163-177-179-183-185-
200540-
IA
. IOWA COUNTIES INCLUDED ARE
APPANOOSE DAVIS DES MOINES
HENRY JEFFERSON LEE
LOUISA MONROE MUSCATINE
SCOTT VAN BUREN WAPELLO
WASHINGTON WAYNE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 706
VALID 200340Z - 200440Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 SSW DNS
TO 25 SSE DBQ.
..KERR..07/20/08
ATTN...WFO...DMX...DVN...
&&
STATUS REPORT FOR WT 706
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ILC015-085-131-161-177-195-200440-
IL
. ILLINOIS COUNTIES INCLUDED ARE
CARROLL JO DAVIESS MERCER
ROCK ISLAND STEPHENSON WHITESIDE
$$
IAC001-003-007-009-029-031-039-045-049-051-053-057-077-087-095-
099-101-103-107-111-115-117-121-123-125-135-139-153-157-159-163-
173-175-177-179-181-183-185-200440-
IA
. IOWA COUNTIES INCLUDED ARE
ADAIR ADAMS APPANOOSE
AUDUBON CASS CEDAR
CLARKE CLINTON DALLAS
DAVIS DECATUR DES MOINES
GUTHRIE HENRY IOWA
JASPER JEFFERSON JOHNSON
KEOKUK LEE LOUISA
LUCAS MADISON MAHASKA
MARION MONROE MUSCATINE
POLK POWESHIEK RINGGOLD
SCOTT TAYLOR UNION
VAN BUREN WAPELLO WARREN
WASHINGTON WAYNE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 706
VALID 200230Z - 200340Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..KERR..07/20/08
ATTN...WFO...DMX...DVN...
&&
STATUS REPORT FOR WT 706
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ILC015-085-131-161-177-195-200340-
IL
. ILLINOIS COUNTIES INCLUDED ARE
CARROLL JO DAVIESS MERCER
ROCK ISLAND STEPHENSON WHITESIDE
$$
IAC001-003-007-009-011-019-029-031-039-045-049-051-053-055-057-
061-077-087-095-097-099-101-103-105-107-111-113-115-117-121-123-
125-135-139-153-157-159-163-173-175-177-179-181-183-185-
200340-
IA
. IOWA COUNTIES INCLUDED ARE
ADAIR ADAMS APPANOOSE
AUDUBON BENTON BUCHANAN
CASS CEDAR CLARKE
CLINTON DALLAS DAVIS
DECATUR DELAWARE DES MOINES
DUBUQUE GUTHRIE HENRY
IOWA JACKSON JASPER
JEFFERSON JOHNSON JONES
KEOKUK LEE LINN
LOUISA LUCAS MADISON
MAHASKA MARION MONROE
MUSCATINE POLK POWESHIEK
RINGGOLD SCOTT TAYLOR
UNION VAN BUREN WAPELLO
WARREN WASHINGTON WAYNE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Mod (40%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Low (20%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (30%)
|
Probability of 1 or more wind events > 65 knots
|
Mod (30%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (40%)
|
Probability
of 1 or
more hailstones > 2 inches
|
Mod (30%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
High (80%)
|
For each watch, probabilities for particular events inside the watch
(listed above in each table) are determined by the issuing forecaster.
The "Low" category contains probability values ranging from less than 2%
to 20% (F2-F5 tornadoes), less than 5% to 20% (all other probabilities),
"Moderate" from 30% to 60%, and "High" from 70% to greater than 95%.
High values are bolded and lighter in color to provide awareness of
an increased threat for a particular event.
weather.gov 
