Monday, July 11^th 2016 Dan Hicks

 Today: P/Cldy, warm & humid. High 92. SW @ 10-20.

Tonight: P/Cldy to Cldy shwrs & tstrms. (Severe weather is possible) Low 73. S @ 5-10.

Tomorrow: Shwrs & tstrms early; Becoming P/Cldy. High 89. SE @ 10-15.

Wednesday: P/Cldy to Cldy w/scatt. Shwrs & tstrms. High 87.

Thursday: P/Cldy. Less humid. High around 85.

Sunday’s High in Atlantic was 87. Our 24-hour Low thru 7-a.m. today was 72. Last year on this date, our High in Atlantic was 80 and the low was 67. The All-time Record High in Atlantic on this date was 104 in 1936. The Record Low was 43 in 1895.

SAC-CRAWFORD-CARROLL-AUDUBON-GUTHRIE-DALLAS-CASS-ADAIR-MADISON-ADAMS-UNION-TAYLOR-RINGGOLD COUNTIES….

TODAY AND TONIGHT: THUNDERSTORMS ARE EXPECTED TO MOVE ACROSS THE AREA THIS EVENING AND INTO THE OVERNIGHT. A FEW STORMS MAY BE SEVERE WITH DAMAGING WIND GUSTS IN EXCESS OF 60 MPH AND HALF DOLLAR SIZED HAIL. THE STRONGEST STORMS ARE EXPECTED BETWEEN 7 PM AND MIDNIGHT. LOCALLY HEAVY RAINFALL MAY OCCUR.

ADDITIONAL THUNDERSTORMS ARE POSSIBLE TUESDAY AND WEDNESDAY WITH A FEW SEVERE STORMS AND LOCALLY HEAVY RAINFALL POSSIBLE. ADDITIONAL THUNDERSTORMS ARE FORECAST FOR NEXT WEEKEND.

SPOTTER INFORMATION STATEMENT… SPOTTER ACTIVATION MAY BE NEEDED AT TIMES TONIGHT THROUGH WEDNESDAY.

MONONA-HARRISON-SHELBY-POTTAWATTAMIE-MILLS-MONTGOMERY-FREMONT-PAGE COUNTIES IN IA; MON JUL 11 2016

TODAY AND TONIGHT: SEVERE THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON AND EVENING AS A COLD FRONT MOVES INTO THE AREA. LARGE HAIL…DAMAGING WINDS AND ISOLATED TORNADOES ARE ALL POSSIBLE.

THUNDERSTORMS ARE FORECAST TO DEVELOP IN NORTHEAST NEBRASKA BY MID AFTERNOON…THEN SPREAD SOUTH AND EAST ACROSS THE REST OF EASTERN NEBRASKA AND SOUTHWEST IOWA LATE THIS AFTERNOON AND EVENING. SUFFICIENT INSTABILITY AND SHEAR PARAMETERS WILL EXIST FOR SUPERCELL STORMS THAT WILL BE CAPABLE OF PRODUCING ALL MODES OF SEVERE WEATHER. THE STORMS ARE EXPECTED TO MERGE INTO CLUSTERS OR LINES BY LATE EVENING WHEN TRAINING OF STORMS COULD PRODUCE LOCALLY HEAVY RAINFALL OF GREATER THAN 2 INCHES…LIKELY OVER SOUTHEAST NEBRASKA AND SOUTHWEST IOWA.

THE THREAT OF SEVERE WEATHER SHOULD BE ENDING BY MID EVENING IN
NORTHEAST NEBRASKA…BUT COULD PERSIST PAST MIDNIGHT IN EAST
CENTRAL AND SOUTHEAST NEBRASKA…AS WELL AS ALL OF SOUTHWEST IOWA. BEFORE THE THE RAIN ARRIVES…ANOTHER HOT AND HUMID DAY IS
EXPECTED WITH AFTERNOON HEAT INDEX VALUES INCREASING TO 100 TO 105 DEGREES ALONG AND SOUTH OF INTERSTATE 80.

TUESDAY/WEDNESDAY: THERE IS A CHANCE FOR SEVERE THUNDERSTORMS AGAIN ON TUESDAY AND WEDNESDAY…MAINLY SOUTH OF INTERSTATE 80. THE COLD FRONT MOVING THROUGH MONDAY NIGHT IS FORECAST TO STALL JUST SOUTH OF THE AREA EARLY TUESDAY…THEN SURGE BACK NORTH INTO OUR AREA TUESDAY AFTERNOON AND WEDNESDAY.  ADDITIONAL THUNDERSTORMS ARE POSSIBLE EACH DAY FRIDAY THROUGH
SUNDAY.

SPOTTER INFORMATION STATEMENT: SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND EVENING.

352 AM CDT MON JUL 11 2016

EARLY THIS MORNING…MOSTLY CLEAR. SOUTH WIND 10 TO 15 MPH.

TODAY…MOSTLY SUNNY. HOT AND HUMID. BREEZY. HIGH AROUND 90. SOUTH WIND 15 TO 25 MPH. HIGHEST HEAT INDEX READINGS AROUND 100 IN THE AFTERNOON.

TONIGHT…THUNDERSTORMS LIKELY. BREEZY. LOW IN THE LOWER 70S. SOUTH WIND 15 TO 20 MPH WITH GUSTS TO AROUND 30 MPH DECREASING TO 5 TO 15 MPH AFTER MIDNIGHT. CHANCE OF THUNDERSTORMS 70 PERCENT.

TUESDAY…MOSTLY CLOUDY UNTIL LATE AFTERNOON THEN BECOMING MOSTLY SUNNY. THUNDERSTORMS LIKELY THROUGH MID MORNING…THEN A CHANCE OF THUNDERSTORMS IN THE LATE MORNING AND AFTERNOON. HIGH IN THE MID 80S. SOUTHWEST WIND 5 TO 10 MPH. CHANCE OF THUNDERSTORMS 70 PERCENT.

TUESDAY NIGHT…PARTLY CLOUDY WITH A 40 PERCENT CHANCE OF THUNDERSTORMS. LOW IN THE UPPER 60S. SOUTHWEST WIND 5 TO 10 MPH.

WEDNESDAY...SUNNY IN THE MORNING THEN BECOMING PARTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS. HIGH IN THE MID 80S. WEST WIND 5 TO 10 MPH.