Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL3
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 563
NWS Storm Prediction Center Norman OK
120 PM CST Wed Dec 15 2021
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
Western and central Iowa
Northeastern Kansas
South central Minnesota
Northwestern Missouri
Easterm Nebraska
Extreme southeastern South Dakota
* Effective this Wednesday afternoon and evening from 120 PM
until 800 PM CST.
* Primary threats include...
A few tornadoes likely with a couple intense tornadoes possible
Widespread damaging winds and isolated significant gusts to 90
mph likely
Isolated large hail events to 1 inch in diameter possible
SUMMARY...A developing squall line will move rapidly northeastward
from northern Kansas and Nebraska across Iowa and adjacent areas of
Minnesota and Missouri through this evening. Widespread damaging
winds are expected, with peak gusts near 90 mph possible. A mix of
embedded supercells and smaller-scale circulations in the line will
also pose a threat for tornadoes, with a strong tornado or two
possible.
The tornado watch area is approximately along and 110 statute miles
north and south of a line from 15 miles southwest of Hastings NE to
50 miles south southeast of Mason City IA. For a complete depiction
of the watch see the associated watch outline update (WOUS64 KWNS
WOU3).
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 inch. Extreme turbulence and surface wind
gusts to 80 knots. A few cumulonimbi with maximum tops to 450. Mean
storm motion vector 23060.
...Thompson
SEL3
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 563
NWS Storm Prediction Center Norman OK
120 PM CST Wed Dec 15 2021
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
Western and central Iowa
Northeastern Kansas
South central Minnesota
Northwestern Missouri
Easterm Nebraska
Extreme southeastern South Dakota
* Effective this Wednesday afternoon and evening from 120 PM
until 800 PM CST.
* Primary threats include...
A few tornadoes likely with a couple intense tornadoes possible
Widespread damaging winds and isolated significant gusts to 90
mph likely
Isolated large hail events to 1 inch in diameter possible
SUMMARY...A developing squall line will move rapidly northeastward
from northern Kansas and Nebraska across Iowa and adjacent areas of
Minnesota and Missouri through this evening. Widespread damaging
winds are expected, with peak gusts near 90 mph possible. A mix of
embedded supercells and smaller-scale circulations in the line will
also pose a threat for tornadoes, with a strong tornado or two
possible.
The tornado watch area is approximately along and 110 statute miles
north and south of a line from 15 miles southwest of Hastings NE to
50 miles south southeast of Mason City IA. For a complete depiction
of the watch see the associated watch outline update (WOUS64 KWNS
WOU3).
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 inch. Extreme turbulence and surface wind
gusts to 80 knots. A few cumulonimbi with maximum tops to 450. Mean
storm motion vector 23060.
...Thompson
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW3
WW 563 TORNADO IA KS MN MO NE SD 151920Z - 160200Z
AXIS..110 STATUTE MILES NORTH AND SOUTH OF LINE..
15SW HSI/HASTINGS NE/ - 50SSE MCW/MASON CITY IA/
..AVIATION COORDS.. 95NM N/S /58SSW OBH - 40SSE MCW/
HAIL SURFACE AND ALOFT..1 INCH. WIND GUSTS..80 KNOTS.
MAX TOPS TO 450. MEAN STORM MOTION VECTOR 23060.
LAT...LON 42049863 44079295 40899295 38849863
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU3.
Watch 563 Status Report Messages:
STATUS REPORT #4 ON WW 563
VALID 160000Z - 160140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 NNE STJ
TO 30 W LWD TO 45 NW LWD TO 45 WSW DSM TO 35 WNW DSM TO 25 SSW
FOD TO 25 NE SLB TO 5 NE SPW TO 15 SE OTG TO 20 NNW OTG.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 2032
..JEWELL..12/15/21
ATTN...WFO...DMX...FSD...OAX...TOP...EAX...GID...MPX...
&&
STATUS REPORT FOR WT 563
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
IAC001-003-007-013-015-017-023-025-033-039-049-051-053-059-063-
069-073-075-077-079-081-083-091-099-109-117-121-123-125-127-135-
147-151-153-157-159-169-171-173-175-179-181-185-187-189-195-197-
160140-
IA
. IOWA COUNTIES INCLUDED ARE
ADAIR ADAMS APPANOOSE
BLACK HAWK BOONE BREMER
BUTLER CALHOUN CERRO GORDO
CLARKE DALLAS DAVIS
DECATUR DICKINSON EMMET
FRANKLIN GREENE GRUNDY
GUTHRIE HAMILTON HANCOCK
HARDIN HUMBOLDT JASPER
KOSSUTH LUCAS MADISON
MAHASKA MARION MARSHALL
MONROE PALO ALTO POCAHONTAS
POLK POWESHIEK RINGGOLD
STORY TAMA TAYLOR
UNION WAPELLO WARREN
WAYNE WEBSTER WINNEBAGO
WORTH WRIGHT
$$
MNC013-043-047-063-091-147-161-165-160140-
MN
. MINNESOTA COUNTIES INCLUDED ARE
BLUE EARTH FARIBAULT FREEBORN
JACKSON MARTIN STEELE
WASECA WATONWAN
$$
MOC003-075-081-129-171-227-160140-
MO
. MISSOURI COUNTIES INCLUDED ARE
ANDREW GENTRY HARRISON
MERCER PUTNAM WORTH
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 563
VALID 152300Z - 160040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 W TOP TO
25 SSW FNB TO 20 S SDA TO 25 N SDA TO 30 ENE OMA TO 25 NW DNS TO
25 NE SUX TO 30 E YKN TO 15 N YKN.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 2032
..JEWELL..12/15/21
ATTN...WFO...DMX...FSD...OAX...TOP...EAX...GID...MPX...
&&
STATUS REPORT FOR WT 563
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
IAC001-003-007-009-013-015-017-021-023-025-027-029-033-035-039-
041-047-049-051-053-059-063-069-071-073-075-077-079-081-083-091-
093-099-109-117-119-121-123-125-127-129-135-137-141-143-145-147-
149-151-153-155-157-159-161-165-167-169-171-173-175-179-181-185-
187-189-195-197-160040-
IA
. IOWA COUNTIES INCLUDED ARE
ADAIR ADAMS APPANOOSE
AUDUBON BLACK HAWK BOONE
BREMER BUENA VISTA BUTLER
CALHOUN CARROLL CASS
CERRO GORDO CHEROKEE CLARKE
CLAY CRAWFORD DALLAS
DAVIS DECATUR DICKINSON
EMMET FRANKLIN FREMONT
GREENE GRUNDY GUTHRIE
HAMILTON HANCOCK HARDIN
HUMBOLDT IDA JASPER
KOSSUTH LUCAS LYON
MADISON MAHASKA MARION
MARSHALL MILLS MONROE
MONTGOMERY O'BRIEN OSCEOLA
PAGE PALO ALTO PLYMOUTH
POCAHONTAS POLK POTTAWATTAMIE
POWESHIEK RINGGOLD SAC
SHELBY SIOUX STORY
TAMA TAYLOR UNION
WAPELLO WARREN WAYNE
WEBSTER WINNEBAGO WORTH
WRIGHT
$$
KSC013-043-085-160040-
KS
. KANSAS COUNTIES INCLUDED ARE
BROWN DONIPHAN JACKSON
$$
MNC013-043-047-063-091-105-147-161-165-160040-
MN
. MINNESOTA COUNTIES INCLUDED ARE
BLUE EARTH FARIBAULT FREEBORN
JACKSON MARTIN NOBLES
STEELE WASECA WATONWAN
$$
MOC003-005-075-081-087-129-147-171-227-160040-
MO
. MISSOURI COUNTIES INCLUDED ARE
ANDREW ATCHISON GENTRY
HARRISON HOLT MERCER
NODAWAY PUTNAM WORTH
$$
NEC147-160040-
NE
. NEBRASKA COUNTIES INCLUDED ARE
RICHARDSON
$$
SDC027-083-127-160040-
SD
. SOUTH DAKOTA COUNTIES INCLUDED ARE
CLAY LINCOLN UNION
$$
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.
$$
STATUS REPORT #2 ON WW 563
VALID 152145Z - 152240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 WSW MHK
TO 15 S BIE TO 5 NNW LNK TO 25 ESE OFK TO 10 NE OFK TO 30 ENE ONL.
..WEINMAN..12/15/21
ATTN...WFO...DMX...FSD...OAX...TOP...EAX...GID...MPX...
&&
STATUS REPORT FOR WT 563
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
IAC001-003-007-009-013-015-017-021-023-025-027-029-033-035-039-
041-047-049-051-053-059-063-069-071-073-075-077-079-081-083-085-
091-093-099-109-117-119-121-123-125-127-129-133-135-137-141-143-
145-147-149-151-153-155-157-159-161-165-167-169-171-173-175-179-
181-185-187-189-193-195-197-152240-
IA
. IOWA COUNTIES INCLUDED ARE
ADAIR ADAMS APPANOOSE
AUDUBON BLACK HAWK BOONE
BREMER BUENA VISTA BUTLER
CALHOUN CARROLL CASS
CERRO GORDO CHEROKEE CLARKE
CLAY CRAWFORD DALLAS
DAVIS DECATUR DICKINSON
EMMET FRANKLIN FREMONT
GREENE GRUNDY GUTHRIE
HAMILTON HANCOCK HARDIN
HARRISON HUMBOLDT IDA
JASPER KOSSUTH LUCAS
LYON MADISON MAHASKA
MARION MARSHALL MILLS
MONONA MONROE MONTGOMERY
O'BRIEN OSCEOLA PAGE
PALO ALTO PLYMOUTH POCAHONTAS
POLK POTTAWATTAMIE POWESHIEK
RINGGOLD SAC SHELBY
SIOUX STORY TAMA
TAYLOR UNION WAPELLO
WARREN WAYNE WEBSTER
WINNEBAGO WOODBURY WORTH
WRIGHT
$$
KSC013-043-085-117-131-149-161-152240-
KS
. KANSAS COUNTIES INCLUDED ARE
BROWN DONIPHAN JACKSON
MARSHALL NEMAHA POTTAWATOMIE
RILEY
$$
MNC013-043-047-063-091-105-147-161-165-152240-
MN
. MINNESOTA COUNTIES INCLUDED ARE
BLUE EARTH FARIBAULT FREEBORN
JACKSON MARTIN NOBLES
STEELE WASECA WATONWAN
$$
MOC003-005-075-081-087-129-147-171-227-152240-
MO
. MISSOURI COUNTIES INCLUDED ARE
ANDREW ATCHISON GENTRY
HARRISON HOLT MERCER
NODAWAY PUTNAM WORTH
$$
NEC021-025-027-039-043-051-053-055-067-097-109-127-131-133-139-
147-153-155-167-173-177-179-152240-
NE
. NEBRASKA COUNTIES INCLUDED ARE
BURT CASS CEDAR
CUMING DAKOTA DIXON
DODGE DOUGLAS GAGE
JOHNSON LANCASTER NEMAHA
OTOE PAWNEE PIERCE
RICHARDSON SARPY SAUNDERS
STANTON THURSTON WASHINGTON
WAYNE
$$
SDC027-083-127-152240-
SD
. SOUTH DAKOTA COUNTIES INCLUDED ARE
CLAY LINCOLN UNION
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 563
VALID 152040Z - 152140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 NW SLN TO
5 SW CNK TO 35 ESE HSI TO 25 ENE GRI TO 20 S ONL.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 2029
..GLEASON..12/15/21
ATTN...WFO...DMX...FSD...OAX...TOP...EAX...GID...MPX...
&&
STATUS REPORT FOR WT 563
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
IAC001-003-007-009-013-015-017-021-023-025-027-029-033-035-039-
041-047-049-051-053-059-063-069-071-073-075-077-079-081-083-085-
091-093-099-109-117-121-123-125-127-129-133-135-137-141-143-145-
147-149-151-153-155-157-159-161-165-167-169-171-173-175-179-181-
185-187-189-193-195-197-152140-
IA
. IOWA COUNTIES INCLUDED ARE
ADAIR ADAMS APPANOOSE
AUDUBON BLACK HAWK BOONE
BREMER BUENA VISTA BUTLER
CALHOUN CARROLL CASS
CERRO GORDO CHEROKEE CLARKE
CLAY CRAWFORD DALLAS
DAVIS DECATUR DICKINSON
EMMET FRANKLIN FREMONT
GREENE GRUNDY GUTHRIE
HAMILTON HANCOCK HARDIN
HARRISON HUMBOLDT IDA
JASPER KOSSUTH LUCAS
MADISON MAHASKA MARION
MARSHALL MILLS MONONA
MONROE MONTGOMERY O'BRIEN
OSCEOLA PAGE PALO ALTO
PLYMOUTH POCAHONTAS POLK
POTTAWATTAMIE POWESHIEK RINGGOLD
SAC SHELBY SIOUX
STORY TAMA TAYLOR
UNION WAPELLO WARREN
WAYNE WEBSTER WINNEBAGO
WOODBURY WORTH WRIGHT
$$
KSC013-027-029-043-085-117-131-143-149-157-161-201-152140-
KS
. KANSAS COUNTIES INCLUDED ARE
BROWN CLAY CLOUD
DONIPHAN JACKSON MARSHALL
NEMAHA OTTAWA POTTAWATOMIE
REPUBLIC RILEY WASHINGTON
$$
MNC013-043-047-063-091-147-161-165-152140-
MN
. MINNESOTA COUNTIES INCLUDED ARE
BLUE EARTH FARIBAULT FREEBORN
JACKSON MARTIN STEELE
WASECA WATONWAN
$$
MOC003-005-075-081-087-129-147-171-227-152140-
MO
. MISSOURI COUNTIES INCLUDED ARE
ANDREW ATCHISON GENTRY
HARRISON HOLT MERCER
NODAWAY PUTNAM WORTH
$$
NEC011-021-023-025-027-037-039-043-051-053-055-059-067-081-095-
097-109-119-121-125-127-131-133-139-141-143-147-151-153-155-159-
167-169-173-177-179-185-152140-
NE
. NEBRASKA COUNTIES INCLUDED ARE
BOONE BURT BUTLER
CASS CEDAR COLFAX
CUMING DAKOTA DIXON
DODGE DOUGLAS FILLMORE
GAGE HAMILTON JEFFERSON
JOHNSON LANCASTER MADISON
MERRICK NANCE NEMAHA
OTOE PAWNEE PIERCE
PLATTE POLK RICHARDSON
SALINE SARPY SAUNDERS
SEWARD STANTON THAYER
THURSTON WASHINGTON WAYNE
YORK
$$
SDC127-152140-
SD
. SOUTH DAKOTA COUNTIES INCLUDED ARE
UNION
$$
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
|
High (70%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Mod (40%)
|
Wind
Probability of 10 or more severe wind events
|
High (90%)
|
Probability of 1 or more wind events > 65 knots
|
High (70%)
|
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 (>95%)
|
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.