SOVD83 KWNB 190300 RRX KKYY 19076 0300/ 725213 080533 88871 83099 20002 33201 43602 99999 TCVF1= SOVD83 KWNB 190400 RRX KKYY 19076 0400/ 725223 080653 88871 83099 20002 33299 42624 99999 TRRF1= NOXX10 KWBC 190000 WAFC WASHINGTON ADVISES ALL USERS OF CB CLOUD, ICING AND TURBULENCE WAFS FORECASTS IN GRIB2 FORMAT AT 0.25 DEGREE THAT PRODUCTION PROBLEMS HAVE TRIGGERED CONTINGENCY MEASURES AND THE ISSUANCE OF NON-HARMONIZED FORECASTS. STANDARD WAFS FORECAST PARAMETERS IN GRIB2 FORMAT (WIND, TEMPERATURE, HUMIDITY, TROP HEIGHT, MAX WIND, MAX WIND HEIGHT) ARE UNAFFECTED, AND ARE AVAILABLE AS NORMAL. WAFC WASHINGTON APOLOGIZES FOR ANY INCONVENIENCE CAUSED DUE TO THIS ISSUE. SOVD83 KWNB 190400 RRX KKYY 19076 0400/ 725174 080632 88871 83099 20002 33146 43373 99999 LMDF1= SOVD83 KWNB 190300 RRX KKYY 19076 0300/ 724982 080826 88871 83099 20002 33154 44547 99999 LRKF1= SOVD83 KWNB 190400 RRX KKYY 19076 0400/ 725235 080457 88871 83099 20002 33171 43517 99999 LSNF1= SOVD83 KWNB 190300 RRX KKYY 19076 0300/ 725235 080457 88871 83099 20002 33182 43522 99999 LSNF1= SOVD83 KWNB 190400 RRX KKYY 19076 0400/ 724982 080826 88871 83099 20002 33128 44554 99999 LRKF1= SOVD83 KWNB 190300 RRX KKYY 19076 0300/ 725554 081169 88871 83099 20002 33220 42581 99999 LMRF1= SOVD83 KWNB 190400 RRX KKYY 19076 0400/ 725554 081169 88871 83099 20002 33215 42492 99999 LMRF1= SOVD83 KWNB 190300 RRX KKYY 19076 0300/ 725104 080942 88871 83099 20002 33058 44086 99999 MUKF1= SOVD83 KWNB 190400 RRX KKYY 19076 0400/ 725104 080942 88871 83099 20002 33017 44108 99999 MUKF1= SOVD83 KWNB 190300 RRX KKYY 19076 0300/ 725376 081029 88871 83099 20002 33076 43003 99999 GBIF1= SOVD83 KWNB 190400 RRX KKYY 19076 0400/ 725254 080444 88871 83099 20002 33260 43241 99999 HCEF1= SOVD83 KWNB 190300 RRX KKYY 19076 0300/ 725254 080444 88871 83099 20002 33301 43222 99999 HCEF1= SOVD83 KWNB 190400 RRX KKYY 19076 0400/ 725376 081029 88871 83099 20002 33040 42822 99999 GBIF1= SOVD83 KWNB 190300 RRX KKYY 19076 0300/ 725050 080904 88871 83099 20002 33189 44223 99999 JKYF1= SOVD83 KWNB 190400 RRX KKYY 19076 0400/ 725050 080904 88871 83099 20002 33146 44238 99999 JKYF1= SOVD83 KWNB 190300 RRX KKYY 19076 0300/ 725174 080632 88871 83099 20002 33191 43336 99999 LMDF1= SOVD83 KWNB 190400 RRX KKYY 19076 0400/ 725214 080432 88871 83099 20002 33216 43724 99999 LBSF1= SOVD83 KWNB 190300 RRX KKYY 19076 0300/ 725214 080432 88871 83099 20002 33238 43722 99999 LBSF1= SOVD83 KWNB 190400 RRX KKYY 19076 0400/ 725170 080797 88871 83099 20002 33167 44731 99999 GBTF1= SOVD83 KWNB 190300 RRX KKYY 19076 0300/ 725420 080942 88871 83099 20002 33004 40270 99999 CANF1= SOVD83 KWNB 190400 RRX KKYY 19076 0400/ 725420 080942 88871 83099 20002 33025 40189 99999 CANF1= WWCN16 CWWG 190456 YELLOW WATCH - SEVERE THUNDERSTORM FOR NORTHERN ALBERTA UPDATED BY ENVIRONMENT CANADA AT 10:56 P.M. MDT SATURDAY 18 JULY 2026. --------------------------------------------------------------------- YELLOW LEVEL WATCH - SEVERE THUNDERSTORM - FOR: CITY OF EDMONTON - ST. ALBERT - SHERWOOD PARK FORT SASKATCHEWAN - VEGREVILLE - REDWATER - SMOKY LAKE LEDUC - CAMROSE - WETASKIWIN - TOFIELD WESTLOCK - BARRHEAD - ATHABASCA LLOYDMINSTER - WAINWRIGHT - VERMILION - PROVOST BONNYVILLE - ST. PAUL - COLD LAKE - LAC LA BICHE SLAVE LAKE WABASCA - PEERLESS LAKE - GIFT LAKE - CADOTTE LAKE FORT MCMURRAY - FORT MACKAY. YELLOW LEVEL WATCH - SEVERE THUNDERSTORM - ENDED FOR: SPRUCE GROVE - MORINVILLE - MAYERTHORPE - EVANSBURG DRAYTON VALLEY - DEVON - RIMBEY - PIGEON LAKE WHITECOURT - EDSON - FOX CREEK - SWAN HILLS. --------------------------------------------------------------------- IMPACT LEVEL: MODERATE FORECAST CONFIDENCE: HIGH ==DISCUSSION== CONDITIONS ARE FAVOURABLE FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS TONIGHT, WHICH MAY PRODUCE STRONG WIND GUSTS, LARGE HAIL AND HEAVY RAIN. DAMAGE TO ROOFS, FENCES, BRANCHES OR SOFT SHELTERS IS POSSIBLE. BE PREPARED FOR SEVERE WEATHER. IF THREATENING WEATHER APPROACHES, TAKE COVER IN A BASEMENT OR INTERIOR ROOM. IF OUTSIDE, PROTECT YOURSELF FROM FLYING DEBRIS AND HAIL. WHEN THUNDER ROARS, GO INDOORS(EXCLAMATION MARK) LIGHTNING KILLS AND INJURES CANADIANS EVERY YEAR. SEVERE THUNDERSTORM WATCHES ARE ISSUED WHEN CONDITIONS ARE FAVOURABLE FOR THE DEVELOPMENT OF THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING HAIL, WIND OR RAIN. PLEASE CONTINUE TO MONITOR ALERTS AND FORECASTS ISSUED BY ENVIRONMENT CANADA. TO REPORT SEVERE WEATHER, SEND AN EMAIL TO ABSTORM(AT)EC.GC.CA, CALL 1-800-239-0484 OR POST REPORTS ON X USING (HASH)ABSTORM. HTTP://WEATHER.GC.CA END/PASPC WWCN15 CWWG 190456 YELLOW WATCH - SEVERE THUNDERSTORM FOR SOUTHERN ALBERTA ENDED BY ENVIRONMENT CANADA AT 10:56 P.M. MDT SATURDAY 18 JULY 2026. --------------------------------------------------------------------- YELLOW LEVEL WATCH - SEVERE THUNDERSTORM - ENDED FOR: ROCKY MOUNTAIN HOUSE - CAROLINE RED DEER - PONOKA - INNISFAIL - STETTLER. --------------------------------------------------------------------- ==DISCUSSION== HTTP://WEATHER.GC.CA END/PASPC