Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL6
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 16
NWS Storm Prediction Center Norman OK
240 PM CST Wed Mar 10 2021
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
central and northeastern Iowa
southeastern Minnesota
a small portion of west central Wisconsin
* Effective this Wednesday afternoon and evening from 240 PM
until 800 PM CST.
* Primary threats include...
A couple tornadoes possible
Scattered damaging wind gusts to 70 mph possible
Scattered large hail events to 1.5 inches in diameter possible
SUMMARY...Scattered severe thunderstorms are expected to develop by
late this afternoon. This may include a few supercells with the
potential to produce tornadoes, before a broken squall line evolves
and advances eastward with damaging wind gusts likely becoming the
primary severe hazard this evening.
The tornado watch area is approximately along and 70 statute miles
east and west of a line from 25 miles north northeast of Rochester
MN to 5 miles southeast of Des Moines IA. For a complete depiction
of the watch see the associated watch outline update (WOUS64 KWNS
WOU6).
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.
&&
AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 1.5 inches. Extreme turbulence and surface wind
gusts to 60 knots. A few cumulonimbi with maximum tops to 400. Mean
storm motion vector 23040.
...Kerr
SEL6
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 16
NWS Storm Prediction Center Norman OK
240 PM CST Wed Mar 10 2021
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
central and northeastern Iowa
southeastern Minnesota
a small portion of west central Wisconsin
* Effective this Wednesday afternoon and evening from 240 PM
until 800 PM CST.
* Primary threats include...
A couple tornadoes possible
Scattered damaging wind gusts to 70 mph possible
Scattered large hail events to 1.5 inches in diameter possible
SUMMARY...Scattered severe thunderstorms are expected to develop by
late this afternoon. This may include a few supercells with the
potential to produce tornadoes, before a broken squall line evolves
and advances eastward with damaging wind gusts likely becoming the
primary severe hazard this evening.
The tornado watch area is approximately along and 70 statute miles
east and west of a line from 25 miles north northeast of Rochester
MN to 5 miles southeast of Des Moines IA. For a complete depiction
of the watch see the associated watch outline update (WOUS64 KWNS
WOU6).
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.
&&
AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 1.5 inches. Extreme turbulence and surface wind
gusts to 60 knots. A few cumulonimbi with maximum tops to 400. Mean
storm motion vector 23040.
...Kerr
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW6
WW 16 TORNADO IA MN WI 102040Z - 110200Z
AXIS..70 STATUTE MILES EAST AND WEST OF LINE..
25NNE RST/ROCHESTER MN/ - 5SE DSM/DES MOINES IA/
..AVIATION COORDS.. 60NM E/W /42WNW ODI - 3NE DSM/
HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 400. MEAN STORM MOTION VECTOR 23040.
LAT...LON 44259089 41479225 41479495 44259372
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU6.
Watch 16 Status Report Messages:
STATUS REPORT #5 ON WW 16
VALID 110130Z - 110200Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 10 NNE OXV
TO 40 S ALO TO 20 E ALO TO 45 NW DBQ.
WW 16 WILL BE ALLOWED TO EXPIRE AT 110200Z.
..MOORE..03/11/21
ATTN...WFO...ARX...DVN...DMX...MPX...
&&
STATUS REPORT FOR WT 16
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
IAC011-019-095-157-110200-
IA
. IOWA COUNTIES INCLUDED ARE
BENTON BUCHANAN IOWA
POWESHIEK
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #4 ON WW 16
VALID 110105Z - 110240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 SW OXV TO
30 NNE OXV TO 15 SSW ALO TO 10 NNE ALO TO 55 NE ALO TO 25 ESE LSE.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 152
..MOORE..03/11/21
ATTN...WFO...ARX...DVN...DMX...MPX...
&&
STATUS REPORT FOR WT 16
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
IAC011-013-019-095-157-171-110240-
IA
. IOWA COUNTIES INCLUDED ARE
BENTON BLACK HAWK BUCHANAN
IOWA POWESHIEK TAMA
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 16
VALID 110030Z - 110140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 SSE DSM
TO 30 NE DSM TO 40 WSW ALO TO 30 ESE MCW TO 15 S RST TO 10 NNE
RST TO 20 SSW MSP.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 152
..MOORE..03/11/21
ATTN...WFO...ARX...DVN...DMX...MPX...
&&
STATUS REPORT FOR WT 16
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
IAC005-011-013-017-019-023-037-065-075-089-095-099-127-157-171-
191-110140-
IA
. IOWA COUNTIES INCLUDED ARE
ALLAMAKEE BENTON BLACK HAWK
BREMER BUCHANAN BUTLER
CHICKASAW FAYETTE GRUNDY
HOWARD IOWA JASPER
MARSHALL POWESHIEK TAMA
WINNESHIEK
$$
MNC037-045-049-055-157-169-110140-
MN
. MINNESOTA COUNTIES INCLUDED ARE
DAKOTA FILLMORE GOODHUE
HOUSTON WABASHA WINONA
$$
WIC011-091-093-110140-
WI
. WISCONSIN COUNTIES INCLUDED ARE
BUFFALO PEPIN PIERCE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 16
VALID 102330Z - 110040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 E SDA TO
15 NW DSM TO 35 E FOD TO 15 SSW MCW TO 25 NNW MCW TO 5 S MKT.
..MOORE..03/10/21
ATTN...WFO...ARX...DVN...DMX...MPX...
&&
STATUS REPORT FOR WT 16
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
IAC005-011-013-017-019-023-033-037-065-067-069-075-083-089-095-
099-127-131-153-157-169-171-191-195-110040-
IA
. IOWA COUNTIES INCLUDED ARE
ALLAMAKEE BENTON BLACK HAWK
BREMER BUCHANAN BUTLER
CERRO GORDO CHICKASAW FAYETTE
FLOYD FRANKLIN GRUNDY
HARDIN HOWARD IOWA
JASPER MARSHALL MITCHELL
POLK POWESHIEK STORY
TAMA WINNESHIEK WORTH
$$
MNC037-039-045-047-049-055-099-109-131-147-157-161-169-110040-
MN
. MINNESOTA COUNTIES INCLUDED ARE
DAKOTA DODGE FILLMORE
FREEBORN GOODHUE HOUSTON
MOWER OLMSTED RICE
STEELE WABASHA WASECA
WINONA
$$
WIC011-091-093-110040-
WI
. WISCONSIN COUNTIES INCLUDED ARE
BUFFALO PEPIN PIERCE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 16
VALID 102245Z - 102340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 WSW DSM
TO 20 NW DSM TO 30 ESE FOD TO 20 NNW MCW TO 25 S MKT.
..MOORE..03/10/21
ATTN...WFO...ARX...DVN...DMX...MPX...
&&
STATUS REPORT FOR WT 16
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
IAC005-011-013-017-019-023-033-037-065-067-069-075-083-089-095-
099-127-131-153-157-169-171-191-195-102340-
IA
. IOWA COUNTIES INCLUDED ARE
ALLAMAKEE BENTON BLACK HAWK
BREMER BUCHANAN BUTLER
CERRO GORDO CHICKASAW FAYETTE
FLOYD FRANKLIN GRUNDY
HARDIN HOWARD IOWA
JASPER MARSHALL MITCHELL
POLK POWESHIEK STORY
TAMA WINNESHIEK WORTH
$$
MNC037-039-045-047-049-055-099-109-131-147-157-161-169-102340-
MN
. MINNESOTA COUNTIES INCLUDED ARE
DAKOTA DODGE FILLMORE
FREEBORN GOODHUE HOUSTON
MOWER OLMSTED RICE
STEELE WABASHA WASECA
WINONA
$$
WIC011-091-093-102340-
WI
. WISCONSIN COUNTIES INCLUDED ARE
BUFFALO PEPIN PIERCE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Mod (40%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Low (20%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (40%)
|
Probability of 1 or more wind events > 65 knots
|
Low (20%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (40%)
|
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% (EF2-EF5 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 
@NWSSPC
