Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL8
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 118
NWS Storm Prediction Center Norman OK
1225 PM CDT Tue Apr 16 2024
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
Western and Northern Iowa
Northeast Nebraska
Southeast South Dakota
* Effective this Tuesday afternoon and evening from 1225 PM until
700 PM CDT.
* Primary threats include...
A couple tornadoes possible
Scattered large hail events to 1.5 inches in diameter possible
Isolated damaging wind gusts to 60 mph possible
SUMMARY...A tornado/hail risk will exist through the afternoon as
far west as northeast Nebraska and southeast South Dakota near a
surface low, with other severe storms expected to develop into
additional parts of Iowa.
The tornado watch area is approximately along and 65 statute miles
north and south of a line from 30 miles north of Norfolk NE to 35
miles east of Fort Dodge IA. For a complete depiction of the watch
see the associated watch outline update (WOUS64 KWNS WOU8).
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 116...WW 117...
AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 1.5 inches. Extreme turbulence and surface wind
gusts to 50 knots. A few cumulonimbi with maximum tops to 450. Mean
storm motion vector 22035.
...Guyer
SEL8
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 118
NWS Storm Prediction Center Norman OK
1225 PM CDT Tue Apr 16 2024
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
Western and Northern Iowa
Northeast Nebraska
Southeast South Dakota
* Effective this Tuesday afternoon and evening from 1225 PM until
700 PM CDT.
* Primary threats include...
A couple tornadoes possible
Scattered large hail events to 1.5 inches in diameter possible
Isolated damaging wind gusts to 60 mph possible
SUMMARY...A tornado/hail risk will exist through the afternoon as
far west as northeast Nebraska and southeast South Dakota near a
surface low, with other severe storms expected to develop into
additional parts of Iowa.
The tornado watch area is approximately along and 65 statute miles
north and south of a line from 30 miles north of Norfolk NE to 35
miles east of Fort Dodge IA. For a complete depiction of the watch
see the associated watch outline update (WOUS64 KWNS WOU8).
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 116...WW 117...
AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 1.5 inches. Extreme turbulence and surface wind
gusts to 50 knots. A few cumulonimbi with maximum tops to 450. Mean
storm motion vector 22035.
...Guyer
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW8
WW 118 TORNADO IA NE SD 161725Z - 170000Z
AXIS..65 STATUTE MILES NORTH AND SOUTH OF LINE..
30N OFK/NORFOLK NE/ - 35E FOD/FORT DODGE IA/
..AVIATION COORDS.. 55NM N/S /56E ONL - 34SSW MCW/
HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..50 KNOTS.
MAX TOPS TO 450. MEAN STORM MOTION VECTOR 22035.
LAT...LON 43359743 43499351 41619351 41479743
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU8.
Watch 118 Status Report Messages:
STATUS REPORT #5 ON WW 118
VALID 162245Z - 162340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 10 ENE DSM
TO 30 SE FOD TO 10 NE FOD TO 20 ESE SPW TO 15 WNW SPW TO 20 E FSD.
..LYONS..04/16/24
ATTN...WFO...DMX...FSD...OAX...
&&
STATUS REPORT FOR WT 118
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
IAC059-063-081-091-109-147-189-195-162340-
IA
. IOWA COUNTIES INCLUDED ARE
DICKINSON EMMET HANCOCK
HUMBOLDT KOSSUTH PALO ALTO
WINNEBAGO 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 #4 ON WW 118
VALID 162050Z - 162140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 W DSM TO
40 NW DSM TO 20 WSW FOD TO 35 WSW SPW TO 10 WNW FSD.
..BENTLEY..04/16/24
ATTN...WFO...DMX...FSD...OAX...
&&
STATUS REPORT FOR WT 118
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
IAC021-041-059-063-081-091-109-119-141-143-147-151-167-187-189-
195-162140-
IA
. IOWA COUNTIES INCLUDED ARE
BUENA VISTA CLAY DICKINSON
EMMET HANCOCK HUMBOLDT
KOSSUTH LYON O'BRIEN
OSCEOLA PALO ALTO POCAHONTAS
SIOUX WEBSTER WINNEBAGO
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 118
VALID 162020Z - 162140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 WNW OMA
TO 20 NNW TQE TO 10 ENE SUX TO 35 N SUX TO 5 ENE FSD.
..BENTLEY..04/16/24
ATTN...WFO...DMX...FSD...OAX...
&&
STATUS REPORT FOR WT 118
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
IAC009-021-025-027-035-041-047-059-063-073-077-081-085-091-093-
109-119-133-141-143-147-149-151-161-165-167-187-189-193-195-
162140-
IA
. IOWA COUNTIES INCLUDED ARE
AUDUBON BUENA VISTA CALHOUN
CARROLL CHEROKEE CLAY
CRAWFORD DICKINSON EMMET
GREENE GUTHRIE HANCOCK
HARRISON HUMBOLDT IDA
KOSSUTH LYON MONONA
O'BRIEN OSCEOLA PALO ALTO
PLYMOUTH POCAHONTAS SAC
SHELBY SIOUX WEBSTER
WINNEBAGO WOODBURY WORTH
$$
NEC021-162140-
NE
. NEBRASKA COUNTIES INCLUDED ARE
BURT
$$
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.
$$
STATUS REPORT #2 ON WW 118
VALID 161940Z - 162040Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..BENTLEY..04/16/24
ATTN...WFO...DMX...FSD...OAX...
&&
STATUS REPORT FOR WT 118
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
IAC009-021-025-027-035-041-047-059-063-073-077-081-085-091-093-
109-119-133-141-143-147-149-151-161-165-167-187-189-193-195-
162040-
IA
. IOWA COUNTIES INCLUDED ARE
AUDUBON BUENA VISTA CALHOUN
CARROLL CHEROKEE CLAY
CRAWFORD DICKINSON EMMET
GREENE GUTHRIE HANCOCK
HARRISON HUMBOLDT IDA
KOSSUTH LYON MONONA
O'BRIEN OSCEOLA PALO ALTO
PLYMOUTH POCAHONTAS SAC
SHELBY SIOUX WEBSTER
WINNEBAGO WOODBURY WORTH
$$
NEC021-027-039-043-051-119-167-173-179-162040-
NE
. NEBRASKA COUNTIES INCLUDED ARE
BURT CEDAR CUMING
DAKOTA DIXON MADISON
STANTON THURSTON WAYNE
$$
SDC027-127-162040-
SD
. SOUTH DAKOTA COUNTIES INCLUDED ARE
CLAY UNION
$$
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.
$$
STATUS REPORT #1 ON WW 118
VALID 161835Z - 161940Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..LEITMAN..04/16/24
ATTN...WFO...DMX...FSD...OAX...
&&
STATUS REPORT FOR WT 118
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
IAC009-021-025-027-029-035-041-047-059-063-073-077-081-085-091-
093-109-119-133-141-143-147-149-151-161-165-167-187-189-193-195-
161940-
IA
. IOWA COUNTIES INCLUDED ARE
AUDUBON BUENA VISTA CALHOUN
CARROLL CASS CHEROKEE
CLAY CRAWFORD DICKINSON
EMMET GREENE GUTHRIE
HANCOCK HARRISON HUMBOLDT
IDA KOSSUTH LYON
MONONA O'BRIEN OSCEOLA
PALO ALTO PLYMOUTH POCAHONTAS
SAC SHELBY SIOUX
WEBSTER WINNEBAGO WOODBURY
WORTH
$$
NEC021-027-039-043-051-119-167-173-179-161940-
NE
. NEBRASKA COUNTIES INCLUDED ARE
BURT CEDAR CUMING
DAKOTA DIXON MADISON
STANTON THURSTON WAYNE
$$
SDC027-127-161940-
SD
. SOUTH DAKOTA COUNTIES INCLUDED ARE
CLAY UNION
$$
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
|
Mod (40%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Low (20%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (30%)
|
Probability of 1 or more wind events > 65 knots
|
Low (10%)
|
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 (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% (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
