1 hail, as filed by the National Weather Service.
Every event with a place to put it. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Gaylord, MI wrote its last area forecast discussion before the first event at Sep 15, 10:25 AM EST, 1 hour 39 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GAYLORD MI 1125 AM EDT MON SEP 15 2003 .SHORT TERM...PER CURRENT RADAR TRENDS AND PROXIMITY TO UPPER LOW...RAISED POPS TO LIKELY ACROSS SW COUNTIES. OTHERWISE...CLOUDS ARE ATTEMPTING TO BREAK UP FROM THE SW...BUT CLOUD COVER SHOULD TEND TO FILL IN WITH COLD AIR ALOFT...SO MOSTLY CLOUDY WILL SUFFICE MOST AREAS (BEST CHANCE FOR SUN S/SE). THINNING CLOUD COVER/RESULTING LOW LEVEL WARMING MAY RESULT IN CAPES AS HIGH AS 750 J/KG...JUSTIFYING A CONTINUED MENTION OF THUNDER SOUTH OF THE STRAITS. ALSO...COLD POOL ALOFT (AROUND -20C) AND LOW FREEZING LEVELS (DECREASING TO LESS THAN 9 KFT) MAY SUPPORT SMALL HAIL...AND SLOW MOVEMENT OF ANY THUNDERSTORMS (AND PWATS CLOSE TO 1 INCH) WILL TRANSLATE TO LOCALLY HEAVY RAINFALL. 850 MB TEMP ALREADY +6C HERE AT APX...ESTIMATED LAKE-850 MB DELTA TS WILL BE IN THE +12C TO +15C RANGE THIS AFTERNOON. COMBINATION OF THESE DELTA TS...ENHANCED CONVECTIVE POTENTIAL UNDER CORE OF COLD POOL THAT WILL LIFT N ACROSS LAKE MICHIGAN TODAY (SUPPORTING CONVECTIVE CLOUD DEPTHS EXCEEDING 25 KFT)...FORECAST 850 MB WINDS WELL BELOW 35 KTS AND REPORTS OF WATERSPOUTS ASSOCIATED WITH THUNDERSTORMS OCCURRING OVER SE LAKE MICHIGAN JUSTIFY A CHANCE OF WATERSPOUTS IN LAKE MICHIGAN NSH ZONES FROM MANISTEE TO 5 NM WEST OF THE MACKINAC BRIDGE...INCLUDING GRAND TRAVERSE BAY...THROUGH THIS AFTERNOON. CANNOT COMPLETELY RULE OUT WATERSPOUTS IN LAKE HURON NSH AREAS SOUTH OF THUNDER BAY AS WELL...BUT BECAUSE CORE OF UPPER LOW/COLD POOL AND HIGHER POTENTIAL FOR DEEP MOIST CONVECTION WILL REMAIN WEST OF THAT AREA...OPTED TO OMIT MENTION FOR NOW. && .PREV DISCUSSION...ISSUED 410 AM EDT SEP 15 TODAY...THE STORM SYSTEM THAT AFFECTED THE REGION SUNDAY AND EARLY THIS MORNING...WILL REMAIN NEARLY STATIONARY BETWEEN LAKE SUPERIOR AND JAMES BAY INTO THIS EVENING. SURFACE CYCLONIC FLOW WILL LINGER OVER MUCH OF NORTHERN MICHIGAN THIS MORNING AS THE ASSOCIATED COLD FRONT MOVES NORTHEAST OVER LAKE HURON. THE SURFACE CYCLONIC FLOW WILL DIMINISH OVER NORTHERN LOWER MICHIGAN THIS AFTERNOON AS HIGH PRESSURE RIDGING BUILDS IN FROM THE SOUTH...WITH CYCLONIC FLOW LINGERING OVER EAST UPPER INTO THIS EVENING. AT UPPER LEVELS A 500MB TROUGH WILL MOVE OVER THE UPPER MIDWEST TODAY...WITH THE TROUGH AXIS MOVING INTO NORTHEAST LOWER THIS AFTERNOON. A 500MB VORT MAX LOCATED OVER LAKE MICHIGAN THIS MORNING...WILL MOVE EAST INTO LAKE HURON BY THIS EVENING. CORRESPONDING 850/500MB QVECTORS SHOW A CONVERGENCE PATTERN LINGERING OVER THE ENTIRE FORECAST AREA INTO THIS EVENING... WITH THE BEST LIFT FOCUSED OVER EAST UPPER MICHIGAN NEAR THE SURFACE LOW. WITH THE UPPER TROUGH SWINGING OVER THE STATE TODAY MUCH COOLER AIR WILL FILTER SOUTH WITH THE 500MB COLD CORE BTWN -20C AND -22C MOVING OVER LOWER MICHIGAN INTO THIS EVENING. IN RESPONSE TO THIS COLD AIR ALOFT 700/500 AND 850/500 MB LAPSE RATES WILL BE AROUND 7C/KM TODAY...WITH CAPES AROUND 350 J/KG AND LIS AROUND -1C. OTHER CONCERNS TODAY WITH RESPECT TO PCPN GENERATION WILL BE WITH LAKE INDUCED FORCING. 850MB TEMPERATURES WILL BE AROUND AROUND 6C OVER LAKE SUPERIOR TO AROUND 7C OVER NRN LAKE MICHIGAN. THIS WILL GENERATE DELTA TS AROUND 13C OVER EAST UPPER AND 12C OVER NRN LOWER MICHIGAN. 1000/850MB WINDS WILL BE NORTHWEST BEHIND THE FRONT THIS MORNING TURNING WEST THIS AFTERNOON...WITH 900/700 MB RH REMAINING AROUND 70/80 PERCENT. MODEL SOUNDINGS SHOW INVERSION HEIGHTS AROUND 9K FT TODAY WITH MSTR REACHING TO THE -10 ISOTHERM INTO THE AFTERNOON. OVERALL WITH THE LAKE ENHANCEMENTS...COLD AIR ALOFT...AND UPPER VORT PATTERN WILL MENTION SCATTERED SHOWERS OVER THE ENTIRE FORECAST AREA. WILL MENTION ISOLATED THUNDERSTORMS OVER PORTIONS OF THE FORECAST AREA DUE TO THE STEEP MID LEVEL LAPSES RATES...COLD 500 MB CORE ALOFT...CAPES AROUND 400 J/KG AND LIS AROUND -1C. LONG TERM...TONIGHT LAKE EFFECTS ALONG WITH LINGERING SURFACE AND UPPER LEVEL CYCLONIC FLOW WILL HELP GENERATE/KEEP THE CHANCE OF SHOWERS IN THE FORECAST THIS EVENING...AND INTO THE OVERNIGHT HOURS ACROSS THE SSM AREA. 1000/850MB WINDS WILL BE WEST/NORTHWEST OVER NRN LOWER MICHIGAN AND NORTHWEST OVER EAST UPPER MICHIGAN TONIGHT... WITH 850MB TEMPERATURES REMAINING AROUND 6C NORTH TO 7C SOUTH. 900/700 MB RH WILL AROUND 70/80 PERCENT OVER EAST UPPER AND EXTREME NRN LOWER MICHIGAN IN THE EVENING...DIMINISHING OVERNIGHT TO AROUND 50 PERCENT SOUTH OF THE STRAITS. THE BEST SURFACE AND LINGERING UPPER LEVEL CYCLONIC FLOW WILL BEGIN TO DIMINISH IN THE EVENING...AS THE UPPER LOW MOVES NORTHEAST OF LAKE SUPERIOR AND UPPER RIDGING BEGINS TO BUILD INTO THE WESTERN LAKES. ALSO...SURFACE RIDGING WILL CONTINUE ITS PUSH NORTH OVER NRN LOWER MICHIGAN THROUGH THE EVENING AS THE SURFACE LOW PUSHES TO A LOCATION NEAR JAMES BAY. OVERALL WILL MENTION LINGERING EVENING PCPN ACROSS MUCH OF THE FORECAST AREA... WITH PCPN LINGERING INTO THE OVERNIGHT HOURS NORTH OF THE STRAITS. TUESDAY...WILL MENTION DRY AND COOL CONDITIONS ACROSS THE ENTIRE FORECAST AREA AS SURFACE AND UPPER LEVEL RIDGING CONTINUES TO TAKE CONTROL OVER THE FORECAST AREA. CORRESPONDING 850/500 MB QVECTORS SHOW A DIVERGENT PATTERN REMAINING OVER THE ENTIRE FORECAST AREA DURING THE DAY. WILL MENTION AFTERNOON HIGHS IN THE UPPER 60S TO LOWER 70S AS 850MB TEMPS AROUND 8C/9C MIX TO THE SURFACE. NO CHANGES TO LATER PERIODS. && .APX WATCHES/WARNINGS/ADVISORIES...NONE. && SWR/CJC/SPR
MIZ008-015>036-041-042-161100- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GAYLORD MI 1232 PM EDT MON SEP 15 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN LOWER AND EASTERN UPPER MICHIGAN. .DAY ONE...TODAY AND TONIGHT THUNDERSTORMS ARE POSSIBLE OVER NORTHERN LOWER MICHIGAN UNTIL MIDNIGHT TONIGHT. ISOLATED THUNDERSTORMS MAY PRODUCE HAIL AROUND THREE QUARTERS OF AN INCH IN DIAMETER...ESPECIALLY SOUTH AND EAST OF GAYLORD...BETWEEN 1 PM AND 8 PM. ALSO...CONDITIONS WILL BE FAVORABLE FOR WATERSPOUTS ACROSS THE MICHIGAN WATERS OF LAKE MICHIGAN FROM MANISTEE TO 5 MILES WEST OF THE MACKINAC BRIDGE...INCLUDING GRAND TRAVERSE BAY...THROUGH 6 PM TODAY. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY THUNDERSTORMS ARE POSSIBLE OVER NORTHERN LOWER AND EAST UPPER MICHIGAN THURSDAY AND FRIDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. && MORE INFORMATION MAY BE OBTAINED AT THE FOLLOWING URL: HTTP://WWW.CRH.NOAA.GOV/APX (ALL LOWER CASE) ROWLEY
MIZ015-016-019>021-025-026-031-152100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GAYLORD MI 958 AM EDT MON SEP 15 2003 ...WATERSPOUTS POSSIBLE OVER LAKE MICHIGAN... THE PASSAGE OF A COLD FRONT HAS BROUGHT COOLER AIR TO THE UPPER LEVELS OF THE ATMOSPHERE. COUPLED WITH THE WARM WATERS OF LAKE MICHIGAN AND THE EXTRA LIFT OF SHOWERS AND THUNDERSTORMS...WATERSPOUTS WILL BE POSSIBLE. THESE WATERSPOUTS ARE OF CONCERN FOR MARINE INTERESTS ON LAKE MICHIGAN AND GRAND TRAVERSE BAY. TYPICALLY...WATERSPOUTS...WHEN THEY MOVE ONSHORE...DISSIPATE RAPIDLY WITH LITTLE TO NO DAMAGE TO STRUCTURES. IF WATERSPOUTS ARE SPOTTED PLEASE REPORT THEM TO LOCAL LAW ENFORCEMENT OR THE NATIONAL WEATHER SERVICE.
The national radar mosaic for the moment the first event began.
1 hail. Local standard time, as filed.
A strong upper level disturbance contributed to widespread thunderstorms. A large number of these produced small hail, though only one report of severe-criteria hail was received. Some waterspouts also occurred over nearby waters of the Great Lakes.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Michigan in 2003Every state in 2003This day in weather historyWarnings in Michigan, September 2003
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5337343.