Storm Prediction Center

WW 581 SEVERE TSTM IA 131045Z - 131600Z URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 581 NWS Storm Prediction Center Norman OK 545 AM CDT Thu Aug 13 2026 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Central and Eastern Iowa * Effective this Thursday morning from 545 AM until 1100 AM CDT. * Primary threats include... Scattered damaging winds likely with isolated significant gusts to 75 mph possible Isola

WW 0581 Status Updates STATUS REPORT ON WW 581 SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 NNW LWD TO 25 NE OXV TO 40 SSW ALO TO 30 WSW ALO. FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1966 ..CHALMERS..08/13/26 ATTN...WFO...DVN...DMX... STATUS REPORT FOR WS 581 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS IAC011-031-039-057-075-087-095-101-103-105-107-111-113-115-117- 123-125-135-139-157-171-177-179-181-183-131440- IA . IOWA COUNTIES INCLUDED

WW 0580 Status Updates STATUS REPORT ON WW 580 SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 WNW LWD TO 35 NNW LWD. REMAINING VALID PORTION OF WW MAY BE ALLOWED TO EXPIRE AS SCHEDULED AT 13/13Z. ..KERR..08/13/26 ATTN...WFO...DMX...OAX...FSD... STATUS REPORT FOR WS 580 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS IAC175-131300- IA . IOWA COUNTIES INCLUDED ARE UNION THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE REFER

MD 1926 CONCERNING SEVERE THUNDERSTORM WATCH 565...567... FOR CENTRAL INTO SOUTHEAST INDIANA...SOUTHWEST OHIO...AND POTENTIALLY INTO FAR NORTHERN KENTUCKY Mesoscale Discussion 1926 NWS Storm Prediction Center Norman OK 1257 PM CDT Tue Aug 11 2026 Areas affected...central into southeast Indiana...southwest Ohio...and potentially into far northern Kentucky Concerning...Severe Thunderstorm Watch 565...567... Valid 111757Z - 112000Z The severe weather threat for Severe Thunderstorm Wat

MD 1925 CONCERNING SEVERE THUNDERSTORM WATCH 563...565... FOR NORTHEAST ILLINOIS INTO FAR SOUTHWEST LOWER MICHIGAN AND NORTHERN AND CENTRAL INDIANA Mesoscale Discussion 1925 NWS Storm Prediction Center Norman OK 1142 AM CDT Tue Aug 11 2026 Areas affected...northeast Illinois into far southwest lower Michigan and northern and central Indiana Concerning...Severe Thunderstorm Watch 563...565... Valid 111642Z - 111845Z The severe weather threat for Severe Thunderstorm Watch 563, 565 co

WW 0565 Status Updates STATUS REPORT ON WW 565 THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA. FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1925 ..MEAD..08/11/26 ATTN...WFO...IWX...IND... STATUS REPORT FOR WS 565 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS INC001-003-009-011-015-017-023-033-035-039-045-049-053-057-059- 063-065-067-069-075-081-085-087-091-095-097-099-103-107-109-113- 121-131-133-135-139-141-145-149-151-157-159-165-169-171-179

WW 565 SEVERE TSTM IN MI OH LM 111500Z - 112100Z URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 565 NWS Storm Prediction Center Norman OK 1100 AM EDT Tue Aug 11 2026 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Northern and Central Indiana Southwest Lower Michigan Northwest Ohio Lake Michigan * Effective this Tuesday morning and afternoon from 1100 AM until 500 PM EDT. * Primary threats include... Wides

WW 0563 Status Updates STATUS REPORT ON WW 563 SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 SE CID TO 45 SSW RFD TO 30 W MMO TO 30 N BMI TO 15 ENE BMI TO 25 N CMI TO 20 NW DNV TO 20 N DNV TO 25 WSW VPZ TO 35 NW VPZ TO 20 ENE RAC. ..MEAD..08/11/26 ATTN...WFO...ARX...DVN...LOT...ILX...MKX... STATUS REPORT FOR WS 563 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS ILC011-019-071-073-095-113-123-131-143-155-161-175-179-183-187- 203-111740- IL . ILLINOIS COUNT

WW 563 SEVERE TSTM IA IL IN WI LM 111220Z - 111900Z URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 563 NWS Storm Prediction Center Norman OK 720 AM CDT Tue Aug 11 2026 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Eastern Iowa Northern and Central Illinois Northwest Indiana Southwest and Southern Wisconsin Lake Michigan * Effective this Tuesday morning and afternoon from 720 AM until 200 PM CDT. * Primar

WW 0566 Status Updates STATUS REPORT ON WW 566 SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 NNE HTS TO 25 N CRW TO 25 SSE PKB TO 35 S HLG. ..CHALMERS..08/11/26 ATTN...WFO...RLX... STATUS REPORT FOR WS 566 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS KYC127-111740- KY . KENTUCKY COUNTIES INCLUDED ARE LAWRENCE VAC027-051-111740- VA . VIRGINIA COUNTIES INCLUDED ARE BUCHANAN DICKENSON WVC005-007-011-013-015-01

WW 566 SEVERE TSTM KY OH VA WV 111540Z - 112100Z URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 566 NWS Storm Prediction Center Norman OK 1140 AM EDT Tue Aug 11 2026 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Eastern Kentucky Southeast Ohio Extreme Southwest Virginia West Virginia * Effective this Tuesday morning and afternoon from 1140 AM until 500 PM EDT. * Primary threats include... Scattered damag

WW 0564 Status Updates STATUS REPORT ON WW 564 SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 NNW LEX TO 30 WSW HTS TO 20 ENE HTS. ..CHALMERS..08/11/26 ATTN...WFO...ILN...IND...JKL...LMK...RLX... STATUS REPORT FOR WS 564 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS KYC011-017-025-063-071-115-119-133-153-159-165-175-193-195-205- 209-237-111740- KY . KENTUCKY COUNTIES INCLUDED ARE BATH BOURBON BREATHITT ELLIOTT

WW 564 SEVERE TSTM IN KY OH 111240Z - 111800Z URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 564 NWS Storm Prediction Center Norman OK 840 AM EDT Tue Aug 11 2026 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Eastern Indiana Northern into Northeast Kentucky West-Central into Southwest Ohio * Effective this Tuesday morning and afternoon from 840 AM until 200 PM EDT. * Primary threats include... Scattered dam

WW 0567 Status Updates STATUS FOR WATCH 0567 HAS NOT BEEN ISSUED YET Read more

WW 567 SEVERE TSTM IN OH 111635Z - 120000Z URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 567 NWS Storm Prediction Center Norman OK 1235 PM EDT Tue Aug 11 2026 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Easterm Indiana Western Ohio * Effective this Tuesday afternoon and evening from 1235 PM until 800 PM EDT. * Primary threats include... Widespread damaging winds and isolated significant gusts to 80 mp

WW 423 SEVERE TSTM MA NY VT LO 301715Z - 010000Z URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 423 NWS Storm Prediction Center Norman OK 115 PM EDT Tue Jun 30 2026 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Far western Massachusetts Central and Eastern New York Far southern Vermont Lake Ontario * Effective this Tuesday afternoon and evening from 115 PM until 800 PM EDT. * Primary threats include... S

WW 0423 Status Updates STATUS REPORT ON WW 423 SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 NNW ART TO 50 E ART TO 30 SW SLK. FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1398 ..MEAD..06/30/26 ATTN...WFO...ALY...BGM...BUF...BTV... STATUS REPORT FOR WS 423 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS MAC003-301940- MA . MASSACHUSETTS COUNTIES INCLUDED ARE BERKSHIRE NYC001-007-011-017-021-023-025-035-039-041-043-049-053-057-065- 06

MD 1398 CONCERNING SEVERE THUNDERSTORM WATCH 423... FOR CENTRAL NEW YORK Mesoscale Discussion 1398 NWS Storm Prediction Center Norman OK 0148 PM CDT Tue Jun 30 2026 Areas affected...Central New York Concerning...Severe Thunderstorm Watch 423... Valid 301848Z - 302045Z The severe weather threat for Severe Thunderstorm Watch 423 continues. SUMMARY...The threat for mainly damaging winds with gusts up to 60-70 mph will continue across the watch area. DISCUSSION...Recent trends in IR

MD 1397 CONCERNING SEVERE POTENTIAL...WATCH UNLIKELY FOR THE FLORIDA PANHANDLE...SOUTHERN/EASTERN ALABAMA...AND FAR WESTERN GEORGIA. Mesoscale Discussion 1397 NWS Storm Prediction Center Norman OK 0147 PM CDT Tue Jun 30 2026 Areas affected...the Florida Panhandle...southern/eastern Alabama...and far western Georgia. Concerning...Severe potential...Watch unlikely Valid 301847Z - 302015Z Probability of Watch Issuance...5 percent SUMMARY...A few strong to isolated severe storms are

WW 0422 Status Updates STATUS REPORT ON WW 422 SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 SSE GRB TO 20 NNE GRB TO 50 NW MBL. ..MEAD..06/30/26 ATTN...WFO...MQT...GRB... STATUS REPORT FOR WS 422 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS WIC009-061-301740- WI . WISCONSIN COUNTIES INCLUDED ARE BROWN KEWAUNEE LMZ522-301740- CW . ADJACENT COASTAL WATERS INCLUDED ARE GREEN BAY SOUTH OF LINE FROM OCONTO WI TO LITTLE