797
FXUS63 KIWX 101740
AFDIWX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NORTHERN INDIANA
140 PM EDT TUE JUN 10 2025
KEY MESSAGES
- DRY TODAY, HIGHS IN THE 70S
- DRY AND MUCH WARMER WEDNESDAY, HIGHS IN THE 80S
- WARM THURSDAY WITH CHANCES FOR SHOWERS AND THUNDERSTORMS,
DISCUSSION
ISSUED AT 252 AM EDT TUE JUN 10 2025
AN ANOMALOUSLY AND SEASONALLY DEEP UPPER LEVEL LOW AND ASSOCIATED
TROF EXTENDED FROM JAMES BAY (NEAR THE SOUTH END OF HUDSON BAY) INTO
THE UPPER GREAT LAKES REGION. THIS SYSTEM THAT HAD BEEN HELPING TO
KEEP A COOL AND WET PATTERN OVER FORECAST AREA WAS NOW LIFTING
NORTHEAST OUT OF THE REGION. DRY WEATHER WILL PREVAIL TODAY WITH
WARMING TEMPERATURES WEDNESDAY AS VERY WARM AIR SPREADS EAST INTO
THE FORECAST AREA FROM THE CENTRAL PLAINS. 850 MB GFS FORECAST
TEMPERATURES SHOW THE EAST EDGE OF A VERY WARM AIRMASS (+17C)
REACHING THE FORECAST AREA. WHEN THESE WARM TEMPERATURES ARE
WARMED DRY ADIABATICALLY WEDNESDAY, THEY SHOULD RENDER HIGHS IN
THE UPPER 80S. THIS WARM AIR INTRUSION WILL MARK A TRANSITION
TO A MORE SUMMER TYPE OF PATTERN TO FOLLOW WITH HIGHS MOSTLY IN
THE 80S AND LATE AFTERNOON/EARLY EVENING SCATTERED SHOWERS AND
STORMS. SOME REMAINING ENERGY OF AN UPPER LOW AND UPPER TROF
WILL EJECT OUT OF THE SOUTHERN PLAINS AND REACH THE FORECAST
AREA LATE THIS WEEK. THIS SYSTEM WILL ENHANCE CHANCES FOR SHOWERS
AND STORMS FRIDAY NIGHT AND SATURDAY, BUT SEVERE WEATHER IS NOT
EXPECTED.
AS FOR THE SMOKE, IT SEEMS THE HRRR HAS BEEN OVERDOING THE SMOKE
IN OUR AREA. OBSERVATIONS FROM OUR COUNTY YESTERDAY AND
OVERNIGHT TONIGHT HERE AT THE NWS OFFICE INDICATE ONLY THE
SLIGHTEST PRESENCE OF ELEVATED SMOKE.
AVIATION /18Z TAFS THROUGH 18Z WEDNESDAY/
ISSUED AT 134 PM EDT TUE JUN 10 2025
VFR CONDITIONS CONTINUE THROUGH THIS TAF PERIOD. WESTERLY WINDS
DIURNALLY WEAKEN AND VEER TO SOUTHWESTERLY OVERNIGHT BEFORE
INCREASING ONCE AGAIN WITH SURFACE WARMING AFTER 15Z WED. GUSTS
AROUND 20 KNOTS EXPECTED.
IWX WATCHES/WARNINGS/ADVISORIES
IN...NONE.
OH...NONE.
MI...AIR QUALITY ALERT FROM MIDNIGHT TONIGHT TO MIDNIGHT EDT
WEDNESDAY NIGHT FOR MIZ177-277.
MARINE...NONE.
DISCUSSION...SKIPPER
AVIATION...ANDERSEN
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