Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL9
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 229
NWS Storm Prediction Center Norman OK
120 PM CDT Tue May 26 2020
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
Central Iowa
* Effective this Tuesday afternoon and evening from 120 PM until
800 PM CDT.
* Primary threats include...
A couple tornadoes possible
Scattered damaging wind gusts to 70 mph possible
Isolated large hail events to 1 inch in diameter possible
SUMMARY...Thunderstorms forming over southern Iowa and northern
Missouri will track northward across the watch area, posing a
localized risk of brief tornadoes and gusty/damaging winds.
The tornado watch area is approximately along and 70 statute miles
east and west of a line from 30 miles north northwest of Mason City
IA to 25 miles east of Lamoni IA. For a complete depiction of the
watch see the associated watch outline update (WOUS64 KWNS WOU9).
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 60 knots. A few cumulonimbi with maximum tops to 500. Mean
storm motion vector 18030.
...Hart
SEL9
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 229
NWS Storm Prediction Center Norman OK
120 PM CDT Tue May 26 2020
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
Central Iowa
* Effective this Tuesday afternoon and evening from 120 PM until
800 PM CDT.
* Primary threats include...
A couple tornadoes possible
Scattered damaging wind gusts to 70 mph possible
Isolated large hail events to 1 inch in diameter possible
SUMMARY...Thunderstorms forming over southern Iowa and northern
Missouri will track northward across the watch area, posing a
localized risk of brief tornadoes and gusty/damaging winds.
The tornado watch area is approximately along and 70 statute miles
east and west of a line from 30 miles north northwest of Mason City
IA to 25 miles east of Lamoni IA. For a complete depiction of the
watch see the associated watch outline update (WOUS64 KWNS WOU9).
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 60 knots. A few cumulonimbi with maximum tops to 500. Mean
storm motion vector 18030.
...Hart
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW9
WW 229 TORNADO IA 261820Z - 270100Z
AXIS..70 STATUTE MILES EAST AND WEST OF LINE..
30NNW MCW/MASON CITY IA/ - 25E LWD/LAMONI IA/
..AVIATION COORDS.. 60NM E/W /29NNW MCW - 49NW IRK/
HAIL SURFACE AND ALOFT..1 INCH. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 18030.
LAT...LON 43549216 40599212 40599479 43549496
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU9.
Watch 229 Status Report Messages:
STATUS REPORT #5 ON WW 229
VALID 270035Z - 270100Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 S RST TO
35 N ALO TO 25 E MCW TO 35 SW RST.
WW 229 WILL BE ALLOWED TO EXPIRE AT 270100Z.
..GLEASON..05/27/20
ATTN...WFO...DMX...DVN...ARX...
&&
STATUS REPORT FOR WT 229
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
IAC037-067-089-131-270100-
IA
. IOWA COUNTIES INCLUDED ARE
CHICKASAW FLOYD HOWARD
MITCHELL
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #4 ON WW 229
VALID 262355Z - 270040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 ENE ALO
TO 35 SSE MCW TO 15 S MCW TO 35 NNW MCW.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 738
..GLEASON..05/26/20
ATTN...WFO...DMX...DVN...ARX...
&&
STATUS REPORT FOR WT 229
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
IAC017-023-033-037-067-069-089-131-195-270040-
IA
. IOWA COUNTIES INCLUDED ARE
BREMER BUTLER CERRO GORDO
CHICKASAW FLOYD FRANKLIN
HOWARD MITCHELL 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 229
VALID 262235Z - 262340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 N IRK TO
30 N OXV TO 30 ENE FOD TO 35 W MCW TO 20 E FRM.
..GLEASON..05/26/20
ATTN...WFO...DMX...DVN...ARX...
&&
STATUS REPORT FOR WT 229
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
IAC011-013-017-023-033-037-051-067-069-075-081-083-089-095-099-
101-107-123-127-131-157-171-177-179-189-195-197-262340-
IA
. IOWA COUNTIES INCLUDED ARE
BENTON BLACK HAWK BREMER
BUTLER CERRO GORDO CHICKASAW
DAVIS FLOYD FRANKLIN
GRUNDY HANCOCK HARDIN
HOWARD IOWA JASPER
JEFFERSON KEOKUK MAHASKA
MARSHALL MITCHELL POWESHIEK
TAMA VAN BUREN WAPELLO
WINNEBAGO WORTH WRIGHT
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 229
VALID 262150Z - 262240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 W LWD TO
50 WSW DSM TO 20 SSE DNS.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 736
..GLEASON..05/26/20
ATTN...WFO...DMX...DVN...ARX...
&&
STATUS REPORT FOR WT 229
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
IAC001-007-009-011-013-015-017-023-025-027-033-037-039-049-051-
053-063-067-069-073-075-077-079-081-083-089-091-095-099-101-107-
109-117-121-123-125-127-131-135-147-151-153-157-159-169-171-175-
177-179-181-185-187-189-195-197-262240-
IA
. IOWA COUNTIES INCLUDED ARE
ADAIR APPANOOSE AUDUBON
BENTON BLACK HAWK BOONE
BREMER BUTLER CALHOUN
CARROLL CERRO GORDO CHICKASAW
CLARKE DALLAS DAVIS
DECATUR EMMET FLOYD
FRANKLIN GREENE GRUNDY
GUTHRIE HAMILTON HANCOCK
HARDIN HOWARD HUMBOLDT
IOWA JASPER JEFFERSON
KEOKUK KOSSUTH LUCAS
MADISON MAHASKA MARION
MARSHALL MITCHELL MONROE
PALO ALTO POCAHONTAS POLK
POWESHIEK RINGGOLD STORY
TAMA UNION VAN BUREN
WAPELLO WARREN WAYNE
WEBSTER WINNEBAGO WORTH
WRIGHT
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 229
VALID 261940Z - 262040Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..KERR..05/26/20
ATTN...WFO...DMX...DVN...ARX...
&&
STATUS REPORT FOR WT 229
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
IAC001-003-007-009-011-013-015-017-023-025-027-029-033-037-039-
049-051-053-063-067-069-073-075-077-079-081-083-089-091-095-099-
101-107-109-117-121-123-125-127-131-135-147-151-153-157-159-169-
171-173-175-177-179-181-185-187-189-195-197-262040-
IA
. IOWA COUNTIES INCLUDED ARE
ADAIR ADAMS APPANOOSE
AUDUBON BENTON BLACK HAWK
BOONE BREMER BUTLER
CALHOUN CARROLL CASS
CERRO GORDO CHICKASAW CLARKE
DALLAS DAVIS DECATUR
EMMET FLOYD FRANKLIN
GREENE GRUNDY GUTHRIE
HAMILTON HANCOCK HARDIN
HOWARD HUMBOLDT IOWA
JASPER JEFFERSON KEOKUK
KOSSUTH LUCAS MADISON
MAHASKA MARION MARSHALL
MITCHELL MONROE PALO ALTO
POCAHONTAS POLK POWESHIEK
RINGGOLD STORY TAMA
TAYLOR UNION VAN BUREN
WAPELLO WARREN WAYNE
WEBSTER WINNEBAGO WORTH
WRIGHT
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
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
|
Low (20%)
|
Probability of 1 or more hailstones > 2 inches
|
Low (20%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
Mod (60%)
|
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.
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