Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL0
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 500
NWS Storm Prediction Center Norman OK
450 PM CDT Sun Oct 11 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
western Iowa
western Minnesota
eastern Nebraska
eastern South Dakota
* Effective this Sunday afternoon from 450 PM until Midnight CDT.
* Primary threats include...
Scattered damaging wind gusts to 70 mph possible
Scattered large hail events to 1.5 inches in diameter possible
A tornado or two possible
SUMMARY...A few severe storms including initially isolated
supercells are expected to evolve into a squall line as they develop
east this evening. Damaging wind and large hail are the primary
threats, though a tornado or two cannot be ruled out.
The severe thunderstorm watch area is approximately along and 75
statute miles east and west of a line from 15 miles east northeast
of Detroit Lakes MN to 35 miles east southeast of Lincoln NE. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU0).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for 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. Severe thunderstorms can and occasionally do produce
tornadoes.
&&
AVIATION...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 500. Mean storm motion vector
25035.
...Dial
SEL0
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 500
NWS Storm Prediction Center Norman OK
450 PM CDT Sun Oct 11 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
western Iowa
western Minnesota
eastern Nebraska
eastern South Dakota
* Effective this Sunday afternoon from 450 PM until Midnight CDT.
* Primary threats include...
Scattered damaging wind gusts to 70 mph possible
Scattered large hail events to 1.5 inches in diameter possible
A tornado or two possible
SUMMARY...A few severe storms including initially isolated
supercells are expected to evolve into a squall line as they develop
east this evening. Damaging wind and large hail are the primary
threats, though a tornado or two cannot be ruled out.
The severe thunderstorm watch area is approximately along and 75
statute miles east and west of a line from 15 miles east northeast
of Detroit Lakes MN to 35 miles east southeast of Lincoln NE. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU0).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for 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. Severe thunderstorms can and occasionally do produce
tornadoes.
&&
AVIATION...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 500. Mean storm motion vector
25035.
...Dial
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW0
WW 500 SEVERE TSTM IA MN NE SD 112150Z - 120500Z
AXIS..75 STATUTE MILES EAST AND WEST OF LINE..
15ENE DTL/DETROIT LAKES MN/ - 35ESE LNK/LINCOLN NE/
..AVIATION COORDS.. 65NM E/W /46SSW BJI - 27N PWE/
HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 25035.
LAT...LON 46909400 40659472 40659758 46909718
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU0.
Watch 500 Status Report Messages:
STATUS REPORT #5 ON WW 500
VALID 120245Z - 120340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 E HSI TO
15 W TQE TO 30 WSW SLB TO 25 E OTG TO 10 ENE RWF TO 30 WNW STC TO
15 NE BRD.
..BROYLES..10/12/20
ATTN...WFO...DMX...FSD...OAX...ABR...MPX...FGF...
&&
STATUS REPORT FOR WS 500
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
IAC009-021-025-027-041-047-059-063-085-093-133-147-151-161-165-
120340-
IA
. IOWA COUNTIES INCLUDED ARE
AUDUBON BUENA VISTA CALHOUN
CARROLL CLAY CRAWFORD
DICKINSON EMMET HARRISON
IDA MONONA PALO ALTO
POCAHONTAS SAC SHELBY
$$
MNC015-063-091-093-129-145-165-120340-
MN
. MINNESOTA COUNTIES INCLUDED ARE
BROWN JACKSON MARTIN
MEEKER RENVILLE STEARNS
WATONWAN
$$
NEC021-025-055-067-095-097-109-131-133-151-153-155-159-177-
120340-
NE
. NEBRASKA COUNTIES INCLUDED ARE
BURT CASS DOUGLAS
GAGE JEFFERSON JOHNSON
LANCASTER OTOE PAWNEE
SALINE SARPY SAUNDERS
SEWARD WASHINGTON
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #4 ON WW 500
VALID 120210Z - 120340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 NW OLU TO
30 SW SUX TO 15 NNE SUX TO 35 SSW OTG TO 35 NNW OTG TO 30 SW AXN
TO 25 NNE BRD.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1743
..MOORE..10/12/20
ATTN...WFO...DMX...FSD...OAX...ABR...MPX...FGF...
&&
STATUS REPORT FOR WS 500
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
IAC009-021-025-027-035-041-047-059-063-085-093-133-141-143-147-
149-151-161-165-193-120340-
IA
. IOWA COUNTIES INCLUDED ARE
AUDUBON BUENA VISTA CALHOUN
CARROLL CHEROKEE CLAY
CRAWFORD DICKINSON EMMET
HARRISON IDA MONONA
O'BRIEN OSCEOLA PALO ALTO
PLYMOUTH POCAHONTAS SAC
SHELBY WOODBURY
$$
MNC015-023-033-063-067-083-091-093-101-127-129-145-151-153-165-
173-120340-
MN
. MINNESOTA COUNTIES INCLUDED ARE
BROWN CHIPPEWA COTTONWOOD
JACKSON KANDIYOHI LYON
MARTIN MEEKER MURRAY
REDWOOD RENVILLE STEARNS
SWIFT TODD WATONWAN
YELLOW MEDICINE
$$
NEC021-023-025-053-055-067-095-109-151-153-155-159-177-120340-
NE
. NEBRASKA COUNTIES INCLUDED ARE
BURT BUTLER CASS
DODGE DOUGLAS GAGE
JEFFERSON LANCASTER SALINE
SARPY SAUNDERS SEWARD
WASHINGTON
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 500
VALID 120040Z - 120140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 W OLU TO
20 SE OFK TO 25 WSW SUX TO 30 NNW SUX TO 15 ENE FSD TO 25 S VVV
TO 10 NE VVV TO 35 W AXN TO 20 SSW DTL TO 20 ENE FAR TO 25 NE FAR.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1742
..MOORE..10/12/20
ATTN...WFO...DMX...FSD...OAX...ABR...MPX...FGF...
&&
STATUS REPORT FOR WS 500
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
IAC009-021-025-027-035-041-047-059-063-085-093-119-133-141-143-
147-149-151-161-165-167-193-120140-
IA
. IOWA COUNTIES INCLUDED ARE
AUDUBON BUENA VISTA CALHOUN
CARROLL CHEROKEE CLAY
CRAWFORD DICKINSON EMMET
HARRISON IDA LYON
MONONA O'BRIEN OSCEOLA
PALO ALTO PLYMOUTH POCAHONTAS
SAC SHELBY SIOUX
WOODBURY
$$
MNC015-023-033-041-051-063-067-073-081-083-091-093-101-105-111-
117-121-127-129-133-145-149-151-153-159-165-173-120140-
MN
. MINNESOTA COUNTIES INCLUDED ARE
BROWN CHIPPEWA COTTONWOOD
DOUGLAS GRANT JACKSON
KANDIYOHI LAC QUI PARLE LINCOLN
LYON MARTIN MEEKER
MURRAY NOBLES OTTER TAIL
PIPESTONE POPE REDWOOD
RENVILLE ROCK STEARNS
STEVENS SWIFT TODD
WADENA WATONWAN YELLOW MEDICINE
$$
NEC021-023-025-037-039-043-053-055-109-141-153-155-159-173-177-
120140-
NE
. NEBRASKA COUNTIES INCLUDED ARE
BURT BUTLER CASS
COLFAX CUMING DAKOTA
DODGE DOUGLAS LANCASTER
PLATTE SARPY SAUNDERS
SEWARD THURSTON WASHINGTON
$$
SDC083-120140-
SD
. SOUTH DAKOTA COUNTIES INCLUDED ARE
LINCOLN
$$
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.
$$
STATUS REPORT #2 ON WW 500
VALID 120000Z - 120140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 W OLU TO
30 NNE OFK TO 25 ESE YKN TO 20 S FSD TO 20 NNE FSD TO 15 NE BKX
TO 20 SSW VVV TO 15 NNW VVV TO 50 N VVV TO 25 NNE FAR.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1742
..MOORE..10/11/20
ATTN...WFO...DMX...FSD...OAX...ABR...MPX...FGF...
&&
STATUS REPORT FOR WS 500
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
IAC009-021-025-027-035-041-047-059-063-085-093-119-133-141-143-
147-149-151-161-165-167-193-120140-
IA
. IOWA COUNTIES INCLUDED ARE
AUDUBON BUENA VISTA CALHOUN
CARROLL CHEROKEE CLAY
CRAWFORD DICKINSON EMMET
HARRISON IDA LYON
MONONA O'BRIEN OSCEOLA
PALO ALTO PLYMOUTH POCAHONTAS
SAC SHELBY SIOUX
WOODBURY
$$
MNC015-023-033-041-051-063-067-073-081-083-091-093-101-105-111-
117-121-127-129-133-145-149-151-153-155-159-165-167-173-
120140-
MN
. MINNESOTA COUNTIES INCLUDED ARE
BROWN CHIPPEWA COTTONWOOD
DOUGLAS GRANT JACKSON
KANDIYOHI LAC QUI PARLE LINCOLN
LYON MARTIN MEEKER
MURRAY NOBLES OTTER TAIL
PIPESTONE POPE REDWOOD
RENVILLE ROCK STEARNS
STEVENS SWIFT TODD
TRAVERSE WADENA WATONWAN
WILKIN YELLOW MEDICINE
$$
NEC021-023-025-037-039-043-051-053-055-109-141-153-155-159-167-
173-177-179-120140-
NE
. NEBRASKA COUNTIES INCLUDED ARE
BURT BUTLER CASS
COLFAX CUMING DAKOTA
DIXON DODGE DOUGLAS
LANCASTER PLATTE SARPY
SAUNDERS SEWARD STANTON
THURSTON WASHINGTON WAYNE
$$
SDC083-127-120140-
SD
. SOUTH DAKOTA COUNTIES INCLUDED ARE
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 500
VALID 112235Z - 112340Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..MOORE..10/11/20
ATTN...WFO...DMX...FSD...OAX...ABR...MPX...FGF...
&&
STATUS REPORT FOR WS 500
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
IAC009-021-025-027-035-041-047-059-063-085-093-119-133-141-143-
147-149-151-161-165-167-193-112340-
IA
. IOWA COUNTIES INCLUDED ARE
AUDUBON BUENA VISTA CALHOUN
CARROLL CHEROKEE CLAY
CRAWFORD DICKINSON EMMET
HARRISON IDA LYON
MONONA O'BRIEN OSCEOLA
PALO ALTO PLYMOUTH POCAHONTAS
SAC SHELBY SIOUX
WOODBURY
$$
MNC011-015-023-033-041-051-063-067-073-081-083-091-093-101-105-
111-117-121-127-129-133-145-149-151-153-155-159-165-167-173-
112340-
MN
. MINNESOTA COUNTIES INCLUDED ARE
BIG STONE BROWN CHIPPEWA
COTTONWOOD DOUGLAS GRANT
JACKSON KANDIYOHI LAC QUI PARLE
LINCOLN LYON MARTIN
MEEKER MURRAY NOBLES
OTTER TAIL PIPESTONE POPE
REDWOOD RENVILLE ROCK
STEARNS STEVENS SWIFT
TODD TRAVERSE WADENA
WATONWAN WILKIN YELLOW MEDICINE
$$
NEC021-023-025-027-037-039-043-051-053-055-109-141-153-155-159-
167-173-177-179-112340-
NE
. NEBRASKA COUNTIES INCLUDED ARE
BURT BUTLER CASS
CEDAR COLFAX CUMING
DAKOTA DIXON DODGE
DOUGLAS LANCASTER PLATTE
SARPY SAUNDERS SEWARD
STANTON THURSTON WASHINGTON
WAYNE
$$
SDC011-027-029-039-051-057-079-083-099-101-109-125-127-112340-
SD
. SOUTH DAKOTA COUNTIES INCLUDED ARE
BROOKINGS CLAY CODINGTON
DEUEL GRANT HAMLIN
LAKE LINCOLN MINNEHAHA
MOODY ROBERTS TURNER
UNION
$$
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
|
Low (20%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Low (<2%)
|
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 (20%)
|
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.