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.
SEL0
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 180
NWS STORM PREDICTION CENTER NORMAN OK
110 PM CDT SUN MAY 19 2013
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* TORNADO WATCH FOR PORTIONS OF
CENTRAL AND EASTERN IOWA
SOUTHERN AND CENTRAL MINNESOTA
WESTERN WISCONSIN
* EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 110 PM UNTIL
900 PM CDT.
* PRIMARY THREATS INCLUDE...
A FEW TORNADOES POSSIBLE
SEVERAL DAMAGING WIND GUSTS TO 65 MPH POSSIBLE
A FEW LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 105 STATUTE
MILES EAST AND WEST OF A LINE FROM 70 MILES NORTH NORTHEAST OF
REDWOOD FALLS MINNESOTA TO 25 MILES SOUTH SOUTHEAST OF WATERLOO
IOWA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED
WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 179...
DISCUSSION...THUNDERSTORM ACTIVITY IS EXPECTED TO CONTINUE TO
INCREASE AND INTENSIFY NEAR A CONVECTIVELY GENERATED CYCLONIC
VORTICITY CENTER AS IT MIGRATES NORTHWARD FROM IOWA INTO SOUTHERN
MINNESOTA THIS AFTERNOON. AIDED BY AMBIENT VERTICAL VORTICITY...AND
BOUNDARY LAYER DESTABILIZATION...SUPERCELL STRUCTURES ARE
POSSIBLE...WITH A RISK FOR TORNADOES...IN ADDITION TO LARGE HAIL AND
POTENTIALLY DAMAGING WIND GUSTS.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 55 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
450. MEAN STORM MOTION VECTOR 26030.
...KERR
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW0
WW 180 TORNADO IA MN WI 191810Z - 200200Z
AXIS..105 STATUTE MILES EAST AND WEST OF LINE..
70NNE RWF/REDWOOD FALLS MN/ - 25SSE ALO/WATERLOO IA/
..AVIATION COORDS.. 90NM E/W /56SSW BRD - 50NNW IOW/
HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..55 KNOTS.
MAX TOPS TO 450. MEAN STORM MOTION VECTOR 26030.
LAT...LON 45459236 42209016 42209426 45459669
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU0.
Watch 180 Status Report Messages:
STATUS REPORT #4 ON WW 180
VALID 192335Z - 200040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 10 E SPW TO
20 ESE RWF TO 40 SSW STC TO 30 W STC.
..MEAD..05/19/13
ATTN...WFO...ARX...DVN...DMX...FSD...MPX...
&&
STATUS REPORT FOR WT 180
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
IAC005-013-017-019-023-025-033-037-043-055-061-063-065-067-069-
075-079-081-083-089-091-109-131-147-151-187-189-191-195-197-
200040-
IA
. IOWA COUNTIES INCLUDED ARE
ALLAMAKEE BLACK HAWK BREMER
BUCHANAN BUTLER CALHOUN
CERRO GORDO CHICKASAW CLAYTON
DELAWARE DUBUQUE EMMET
FAYETTE FLOYD FRANKLIN
GRUNDY HAMILTON HANCOCK
HARDIN HOWARD HUMBOLDT
KOSSUTH MITCHELL PALO ALTO
POCAHONTAS WEBSTER WINNEBAGO
WINNESHIEK WORTH WRIGHT
$$
MNC003-013-019-025-037-039-043-045-047-049-053-055-059-079-085-
091-099-103-109-123-131-139-141-143-147-157-161-163-165-169-171-
200040-
MN
. MINNESOTA COUNTIES INCLUDED ARE
ANOKA BLUE EARTH CARVER
CHISAGO DAKOTA DODGE
FARIBAULT FILLMORE FREEBORN
GOODHUE HENNEPIN HOUSTON
ISANTI LE SUEUR MCLEOD
MARTIN MOWER NICOLLET
OLMSTED RAMSEY RICE
SCOTT SHERBURNE SIBLEY
STEELE WABASHA WASECA
WASHINGTON WATONWAN WINONA
WRIGHT
$$
WIC011-091-093-095-109-200040-
WI
. WISCONSIN COUNTIES INCLUDED ARE
BUFFALO PEPIN PIERCE
POLK ST. CROIX
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 180
VALID 192235Z - 192340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 WSW FRM
TO 20 SE RWF TO 40 N RWF TO 30 SSE AXN.
..MEAD..05/19/13
ATTN...WFO...ARX...DVN...DMX...FSD...MPX...
&&
STATUS REPORT FOR WT 180
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
IAC005-013-017-019-023-025-033-037-043-055-061-063-065-067-069-
075-079-081-083-089-091-109-131-147-151-187-189-191-195-197-
192340-
IA
. IOWA COUNTIES INCLUDED ARE
ALLAMAKEE BLACK HAWK BREMER
BUCHANAN BUTLER CALHOUN
CERRO GORDO CHICKASAW CLAYTON
DELAWARE DUBUQUE EMMET
FAYETTE FLOYD FRANKLIN
GRUNDY HAMILTON HANCOCK
HARDIN HOWARD HUMBOLDT
KOSSUTH MITCHELL PALO ALTO
POCAHONTAS WEBSTER WINNEBAGO
WINNESHIEK WORTH WRIGHT
$$
MNC003-013-015-019-025-037-039-043-045-047-049-053-055-059-067-
079-085-091-093-099-103-109-123-129-131-139-141-143-145-147-157-
161-163-165-169-171-192340-
MN
. MINNESOTA COUNTIES INCLUDED ARE
ANOKA BLUE EARTH BROWN
CARVER CHISAGO DAKOTA
DODGE FARIBAULT FILLMORE
FREEBORN GOODHUE HENNEPIN
HOUSTON ISANTI KANDIYOHI
LE SUEUR MCLEOD MARTIN
MEEKER MOWER NICOLLET
OLMSTED RAMSEY RENVILLE
RICE SCOTT SHERBURNE
SIBLEY STEARNS STEELE
WABASHA WASECA WASHINGTON
WATONWAN WINONA WRIGHT
$$
WIC011-091-093-095-109-192340-
WI
. WISCONSIN COUNTIES INCLUDED ARE
BUFFALO PEPIN PIERCE
POLK ST. CROIX
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 180
VALID 192145Z - 192240Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..MEAD..05/19/13
ATTN...WFO...ARX...DVN...DMX...FSD...MPX...
&&
STATUS REPORT FOR WT 180
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
IAC005-011-013-015-017-019-023-025-033-037-041-043-055-059-061-
063-065-067-069-073-075-079-081-083-089-091-105-109-113-127-131-
147-151-169-171-187-189-191-195-197-192240-
IA
. IOWA COUNTIES INCLUDED ARE
ALLAMAKEE BENTON BLACK HAWK
BOONE BREMER BUCHANAN
BUTLER CALHOUN CERRO GORDO
CHICKASAW CLAY CLAYTON
DELAWARE DICKINSON DUBUQUE
EMMET FAYETTE FLOYD
FRANKLIN GREENE GRUNDY
HAMILTON HANCOCK HARDIN
HOWARD HUMBOLDT JONES
KOSSUTH LINN MARSHALL
MITCHELL PALO ALTO POCAHONTAS
STORY TAMA WEBSTER
WINNEBAGO WINNESHIEK WORTH
WRIGHT
$$
MNC003-013-015-019-023-025-033-037-039-043-045-047-049-053-055-
059-063-067-073-079-083-085-091-093-099-101-103-109-121-123-127-
129-131-139-141-143-145-147-149-151-157-161-163-165-169-171-173-
192240-
MN
. MINNESOTA COUNTIES INCLUDED ARE
ANOKA BLUE EARTH BROWN
CARVER CHIPPEWA CHISAGO
COTTONWOOD DAKOTA DODGE
FARIBAULT FILLMORE FREEBORN
GOODHUE HENNEPIN HOUSTON
ISANTI JACKSON KANDIYOHI
LAC QUI PARLE LE SUEUR LYON
MCLEOD MARTIN MEEKER
MOWER MURRAY NICOLLET
OLMSTED POPE RAMSEY
REDWOOD RENVILLE RICE
SCOTT SHERBURNE SIBLEY
STEARNS STEELE STEVENS
SWIFT WABASHA WASECA
WASHINGTON WATONWAN WINONA
WRIGHT YELLOW MEDICINE
$$
WIC011-091-093-095-109-192240-
WI
. WISCONSIN COUNTIES INCLUDED ARE
BUFFALO PEPIN PIERCE
POLK ST. CROIX
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 180
VALID 192035Z - 192140Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..ROGERS..05/19/13
ATTN...WFO...ARX...DVN...DMX...FSD...MPX...
&&
STATUS REPORT FOR WT 180
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
IAC005-011-013-015-017-019-023-025-033-037-041-043-055-059-061-
063-065-067-069-073-075-079-081-083-089-091-105-109-113-127-131-
147-151-169-171-187-189-191-195-197-192140-
IA
. IOWA COUNTIES INCLUDED ARE
ALLAMAKEE BENTON BLACK HAWK
BOONE BREMER BUCHANAN
BUTLER CALHOUN CERRO GORDO
CHICKASAW CLAY CLAYTON
DELAWARE DICKINSON DUBUQUE
EMMET FAYETTE FLOYD
FRANKLIN GREENE GRUNDY
HAMILTON HANCOCK HARDIN
HOWARD HUMBOLDT JONES
KOSSUTH LINN MARSHALL
MITCHELL PALO ALTO POCAHONTAS
STORY TAMA WEBSTER
WINNEBAGO WINNESHIEK WORTH
WRIGHT
$$
MNC003-013-015-019-023-025-033-037-039-043-045-047-049-053-055-
059-063-067-073-079-083-085-091-093-099-101-103-109-121-123-127-
129-131-139-141-143-145-147-149-151-157-161-163-165-169-171-173-
192140-
MN
. MINNESOTA COUNTIES INCLUDED ARE
ANOKA BLUE EARTH BROWN
CARVER CHIPPEWA CHISAGO
COTTONWOOD DAKOTA DODGE
FARIBAULT FILLMORE FREEBORN
GOODHUE HENNEPIN HOUSTON
ISANTI JACKSON KANDIYOHI
LAC QUI PARLE LE SUEUR LYON
MCLEOD MARTIN MEEKER
MOWER MURRAY NICOLLET
OLMSTED POPE RAMSEY
REDWOOD RENVILLE RICE
SCOTT SHERBURNE SIBLEY
STEARNS STEELE STEVENS
SWIFT WABASHA WASECA
WASHINGTON WATONWAN WINONA
WRIGHT YELLOW MEDICINE
$$
WIC011-091-093-095-109-192140-
WI
. WISCONSIN COUNTIES INCLUDED ARE
BUFFALO PEPIN PIERCE
POLK ST. CROIX
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Low (20%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Low (10%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (30%)
|
Probability of 1 or more wind events > 65 knots
|
Low (<5%)
|
Hail
Probability of 10 or more severe hail events
|
Low (20%)
|
Probability
of 1 or
more hailstones > 2 inches
|
Low (10%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
High (70%)
|
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.