Hazard Tornadoes EF2+ Tornadoes Likelihood Low Very Low Severe Wind 65 kt+ Wind Moderate Low Severe Hail 2"+ Hail Moderate Moderate

Note: The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.

Note: Click for

SEL6 URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 436 NWS Storm Prediction Center Norman OK 315 PM EDT Fri Aug 14 2020 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Western Iowa Southwest Minnesota Eastern Nebraska Far southeast South Dakota * Effective this Friday afternoon and evening from 315 PM until 900 PM EDT. * Primary threats include... Scattered large hail and isolated very large hail events to 2 inches in diameter possible Scattered damaging wind gusts to 70 mph possible SUMMARY...Cells developing along a cold front should consolidate into a cluster later this afternoon. Damaging winds will be the threat, but large hail will be possible mainly through late afternoon. The severe thunderstorm watch area is approximately along and 40 statute miles east and west of a line from 55 miles north northeast of Worthington MN to 40 miles south southeast of Norfolk NE. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU6). 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 2 inches. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 550. Mean storm motion vector 28030. ...Grams Click for Watch Status Reports

Hazard Tornadoes EF2+ Tornadoes Likelihood Low Very Low Severe Wind 65 kt+ Wind Moderate Low Severe Hail 2"+ Hail Moderate Moderate SEL6 URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 436 NWS Storm Prediction Center Norman OK 315 PM EDT Fri Aug 14 2020 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Western Iowa Southwest Minnesota Eastern Nebraska Far southeast South Dakota * Effective this Friday afternoon and evening from 315 PM until 900 PM EDT. * Primary threats include... Scattered large hail and isolated very large hail events to 2 inches in diameter possible Scattered damaging wind gusts to 70 mph possible SUMMARY...Cells developing along a cold front should consolidate into a cluster later this afternoon. Damaging winds will be the threat, but large hail will be possible mainly through late afternoon. The severe thunderstorm watch area is approximately along and 40 statute miles east and west of a line from 55 miles north northeast of Worthington MN to 40 miles south southeast of Norfolk NE. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU6). 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 2 inches. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 550. Mean storm motion vector 28030. ...Grams

Hazard Tornadoes EF2+ Tornadoes Likelihood Low Very Low Severe Wind 65 kt+ Wind Moderate Low Severe Hail 2"+ Hail Moderate Moderate

Note: The Aviation Watch (SAW) product is an approximation to the watch area. The actual watch is depicted by the shaded areas.

SAW6 WW 436 SEVERE TSTM IA MN NE SD 141915Z - 150100Z AXIS..40 STATUTE MILES EAST AND WEST OF LINE.. 55NNE OTG/WORTHINGTON MN/ - 40SSE OFK/NORFOLK NE/ ..AVIATION COORDS.. 35NM E/W /5SSW RWF - 55E OBH/ HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS. MAX TOPS TO 550. MEAN STORM MOTION VECTOR 28030. LAT...LON 44389434 41449636 41449791 44389596 THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS FOR WOU6. Watch 436 Status Report Messages: STATUS REPORT #2 ON WW 436 VALID 142205Z - 142340Z SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 5 W OLU TO 20 WSW OTG TO 35 WSW RWF. ..SPC..08/14/20 ATTN...WFO...FSD...OAX... && STATUS REPORT FOR WS 436 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS IAC021-035-041-059-085-093-119-133-141-143-149-155-167-193- 142340- IA . IOWA COUNTIES INCLUDED ARE BUENA VISTA CHEROKEE CLAY DICKINSON HARRISON IDA LYON MONONA O'BRIEN OSCEOLA PLYMOUTH POTTAWATTAMIE SIOUX WOODBURY $$ MNC033-063-083-101-105-142340- MN . MINNESOTA COUNTIES INCLUDED ARE COTTONWOOD JACKSON LYON MURRAY NOBLES $$ NEC021-023-037-039-043-053-055-141-153-155-167-173-177-142340- NE . NEBRASKA COUNTIES INCLUDED ARE BURT BUTLER COLFAX CUMING DAKOTA DODGE DOUGLAS PLATTE SARPY SAUNDERS STANTON THURSTON 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 #1 ON WW 436 VALID 142035Z - 142140Z SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 W OLU TO 15 SSW OFK TO 25 WSW SUX TO 30 N SUX TO 30 W OTG TO 45 NE BKX. ..LEITMAN..08/14/20 ATTN...WFO...FSD...OAX... && STATUS REPORT FOR WS 436 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS IAC021-035-041-059-085-093-119-133-141-143-149-155-167-193- 142140- IA . IOWA COUNTIES INCLUDED ARE BUENA VISTA CHEROKEE CLAY DICKINSON HARRISON IDA LYON MONONA O'BRIEN OSCEOLA PLYMOUTH POTTAWATTAMIE SIOUX WOODBURY $$ MNC033-063-083-101-105-142140- MN . MINNESOTA COUNTIES INCLUDED ARE COTTONWOOD JACKSON LYON MURRAY NOBLES $$ NEC021-023-037-039-043-053-055-141-153-155-167-173-177-142140- NE . NEBRASKA COUNTIES INCLUDED ARE BURT BUTLER COLFAX CUMING DAKOTA DODGE DOUGLAS PLATTE SARPY SAUNDERS STANTON THURSTON WASHINGTON $$ THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES. $$