Hail and Damaging Winds in Minnesota, August 16, 2005

Name: Hail and Damaging Winds in Minnesota, August 16, 2005
Start: 2005-08-16T15:01
End: 2005-08-16T20:00
Location: Minnesota

August 16, 2005 · NWS MPX · 8 events in 5 counties and zones

5 hail, 2 thunderstorm wind, 1 heavy rain, as filed by the National Weather Service.

Where it happened

Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

Tornadoes
Tropical storms and surge
Floods
Wind
Hail
Winter weather
Heat and drought
Cold
Fire, smoke and dust
Marine and coastal
Other

Open the live radar over this ground

The toll

Deaths: 0
Injuries: 0
Property damage: None recorded
Crop damage: None recorded
Events: 8

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.

What forecasters said that day

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 Twin Cities, MN wrote its last area forecast discussion before the first event at Aug 16, 12:35 PM CST, 2 hours 26 minutes earlier.

Area forecast discussion, Aug 16, 12:35 PM CST, 2 hours 26 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
135 PM CDT TUE AUG 16 2005

.DISCUSSION...TODAY THROUGH FRIDAY
SHRA CURRENTLY ONGOING ACRS PORTIONS OF NERN SD...WITH ISO SHRA
ALONG THE MN RIVER VALLEY...BOTH OF WHICH ARE ASSOC W/ENHANCED AREA
OF H10-H8 WAA S OF FRONTAL BNDRY ACRS CNTRL MN. BNDRY CURRENTLY
ALONG A KFFM/KBRD/KHYR LINE. CU FIELD ON VIS IMAGERY HAS THIS BNDRY
MARKED FAIRLY WELL. LOW TO MID 60S DEW POINTS HAVE POOLED S OF THE
BNDRY ACRS CNTRL AND SRN MN/W CNTRL WI. LATEST LAPS ANALYSIS SHOWS A
MARKED SBCAPE RIDGE ALONG AND JUST S OF THE BNDRY.

LATER THIS AFTN...TSRA EXPECTED TO DEVELOP ALONG THE BNDRY /WHICH
SHUD REMAIN FAIRLY STNRY/...AS INSTABILITY INCR WITH DAYTIME
HEATING. 12Z NAM SHOWS A WEAK AREA OF H8 FRONTOGENESIS THIS AFTN/EVE
ALNG THE BNDRY...A SCENARIO THAT IS REINFORCED BY THE ABV SFC WINDS
FROM THE VWPS FROM KDLH AND KMPX. THIS SHUD BE THE FORCING
MECHANISM THIS EVE/TNGT. LATEST LAPS ANALYSIS SHOW 0-6 KM BULK SHEAR
VALUES IN THE 35-40 KT RANGE ALNG THE BNDRY W/MID AND UPR LEVEL
LAPSE RATES APPROACHING THE 7-8C RANGE. ANY TSRA THAT DO DEVELOP
HAVE THE POSSIBILITY OF BEING SVR...W/LRG HAIL BEING THE MAIN HAZARD.

MUCH OF THE FA WL SEE A BRIEF RESPITE IN THE WET WX PATTERN FM EARLY
WED THRU WED EVE...AS MOST OF THE ACTION OVRNGT SHUD BE ACRS NRN
MN...WITH NOSE OF H8 LLJ MOVING FM THE CNTRL DAKOTAS AND INTO NWRN
MN TNGT. LEFT CHC POPS ACRS THE FAR WRN AND FAR NRN COUNTIES IN CASE
SOME OF THIS ACTIVITY GRAZES THE FA. PCPN CHCS INCR SUBSTANTIALLY
WED EVE AND WED NGT...AS SFC LO AND ASSOC COLD FRNT MOVE THRU THE
FA. WITH LARGE AREA OF UPR DIVERGENCE ASSOC W/UPR JET ACCOMPANYING
THE FROPA AND AMPLE MOISTURE...INCR POPS INTO THE HI CHC CATEGORY.
AT THIS POINT...IT APPEARS THAT LIKELIHOOD OF SVR WX IS MINIMAL...
W/LESS THAN 30 KTS 0-6 KM BULK SHEAR FCST BY EITHER THE NAM OR THE
GFS ACRS THE MAJORITY OF THE FA.

THE FA WL BE BETWEEN SYSTEMS THU AFTN AND THU NGT...WITH ANOTHER LO
PRES SYSTEM AND SFC COLD FRNT PUSHING INTO THE AREA. WITH UPR JET
PUNCHING INTO WRN MN WITH THE SYSTEM...CHC OF SVR WX SHUD BE GREATER
THAN WED NGT/THU MRNG. CURRENT PROGS SHOW 40-50 KTS OF 0-6 KM BULK
SHEAR W/THIS SYSTEM.

LONGER TERM...FRIDAY NIGHT THROUGH TUESDAY
A STRONG COLD FRONT WILL MOVE EAST OF THE FA FRIDAY NIGHT. 12Z NAM
AND LAST NIGHTS 00Z ECMWF INDICATE THAT IT WOULD BE PRUDENT NOT TO
MOVE THE FRONT THROUGH TOO QUICKLY. AS A RESULT...THE FRIDAY
AFTERNOON POP/WX GRIDS WERE SHIFTED 6 HOURS FORWARD...WHICH WILL
KEEP FAIRLY HIGH POPS OVER THE EASTERN HALF OF THE CWA FRIDAY
EVENING WITH LOW CHANCE POPS THEREAFTER INTO SATURDAY MORNING.
HIGHS PRESSURE WILL THEN BUILD SLOWLY ACROSS THE REGION THROUGH
MONDAY. AFTER SOME DIURNAL CU ON SATURDAY...INDICATED CLEAR
NIGHTS/MOSTLY SUNNY DAYS THROUGH MONDAY. TUESDAY STILL LOOKING OKAY
AND WENT MORE WITH THE HPC IDEA OF DRY WEATHER AS THE HIGH STARTS TO
PULL OFF TO THE EAST.

.MPX WATCHES/WARNINGS/ADVISORIES...
.MN...NONE.
.WI...NONE.

&&

KAT/RAH

Hazardous weather outlook, Aug 16, 12:10 PM CST, 2 hours 51 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
110 PM CDT TUE AUG 16 2005

MNZ042>045-050>053-061>063-070-WIZ014-023-171110-
ANOKA-BENTON-CHISAGO-DAKOTA-ISANTI-KANABEC-MILLE LACS-MORRISON-POLK-
RAMSEY-SHERBURNE-ST CROIX-TODD-WASHINGTON-
110 PM CDT TUE AUG 16 2005

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL MINNESOTA...AND
A SMALL PART OF WEST CENTRAL WISCONSIN.

.DAY ONE...TODAY AND TONIGHT

SCATTERED THUNDERSTORMS CAN BE EXPECTED THIS AFTERNOON AND
TONIGHT.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

SEVERE THUNDERSTORMS ARE POSSIBLE ON WEDNESDAY...THURSDAY AND
AGAIN ON FRIDAY. THE HIGHEST RISK FOR SEVERE THUNDERSTORMS OFTEN
OCCURS DURING THE AFTERNOON OR EARLY EVENING HOURS.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT.

MNZ077-078-082>085-091>093-WIZ015-016-024>028-171110-
BARRON-BLUE EARTH-CHIPPEWA-DUNN-EAU CLAIRE-FARIBAULT-FREEBORN-
GOODHUE-MARTIN-PEPIN-PIERCE-RICE-RUSK-STEELE-WASECA-WATONWAN-
110 PM CDT TUE AUG 16 2005

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL
MINNESOTA...AND PORTIONS OF WEST CENTRAL WISCONSIN.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

SEVERE THUNDERSTORMS ARE POSSIBLE ON THURSDAY AND AGAIN ON FRIDAY.
THE HIGHEST RISK FOR SEVERE THUNDERSTORMS USUALLY OCCURS DURING
THE AFTERNOON OR EARLY EVENING HOURS.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT.

MNZ041-047>049-054>060-064>069-073>076-171110-
BROWN-CARVER-CHIPPEWA-DOUGLAS-HENNEPIN-KANDIYOHI-LAC QUI PARLE-
LE SUEUR-MCLEOD-MEEKER-NICOLLET-POPE-REDWOOD-RENVILLE-SCOTT-SIBLEY-
STEARNS-STEVENS-SWIFT-WRIGHT-YELLOW MEDICINE-
110 PM CDT TUE AUG 16 2005

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL MINNESOTA

.DAY ONE...THIS AFTERNOON AND TONIGHT

THE STORM PREDICTION CENTER INDICATES A SLIGHT RISK OF SEVERE
THUNDERSTORMS THIS AFTERNOON AND THIS EVENING. A STATIONARY
FRONT ACROSS CENTRAL MINNESOTA WILL BE THE FOCUS FOR A FEW
SEVERE THUNDERSTORMS LATE THIS AFTERNOON AND EVENING. LARGE HAIL
IS THE MAIN SEVERE WEATHER THREAT.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

SEVERE THUNDERSTORMS ARE POSSIBLE ON WEDNESDAY...THURSDAY AND AGAIN
ON FRIDAY. THE HIGHEST RISK FOR SEVERE THUNDERSTORMS USUALLY OCCURS
THE DURING AFTERNOON OR EARLY EVENING HOURS.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON OR THIS
EVENING.

RAH

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

5 hail, 2 thunderstorm wind, 1 heavy rain. Local standard time, as filed.

Hail, Stearns

When: August 16, 3:01 PM CST to 3:02 PM CST
Where: Stearns County, St Cloud
Measured: 0.88 in hail
Reported by: TRAINED SPOTTER
Coordinates: 45.567, -94.167

Nickel to penny sized hail was reported.

Hail, Sherburne

When: August 16, 3:35 PM CST to 3:45 PM CST
Where: Sherburne County, 3 mi SSE of Clear Lake
Measured: 0.75 in hail
Reported by: GENERAL PUBLIC
Coordinates: 45.417, -93.983

Thunderstorm Wind, Sherburne

When: August 16, 3:35 PM CST
Where: Sherburne County, 3 mi SSE of Clear Lake
Measured: 50 kt (58 mph) estimated gust
Reported by: GENERAL PUBLIC
Coordinates: 45.417, -93.983

Branches up to 4 inches in diameter were downed and an aluminum flag pole was bent over in Section 29 of Clear Lake East Township.

Thunderstorm Wind, Wright

When: August 16, 3:40 PM CST
Where: Wright County, 1 mi N of Hasty
Measured: 50 kt (58 mph) estimated gust
Reported by: GENERAL PUBLIC
Coordinates: 45.400, -93.983

Numerous three inch tree branches were downed in Section 8 of Clearwater Township.

Hail, Todd

When: August 16, 4:35 PM CST
Where: Todd County, 9 mi NE of Long Prairie
Measured: 0.75 in hail
Reported by: GENERAL PUBLIC
Coordinates: 46.067, -94.733

Dime sized hail fell in Section 27 of Little Elk Township.

Heavy Rain, Morrison

When: August 16, 5:00 PM CST to 8:00 PM CST
Where: Morrison County, 3 mi NE of Buckman
Reported by: TRAINED SPOTTER
Coordinates: 46.013, -94.268 (the zone’s center; the record gives no point)

A total of 5.6 inches of rain was recorded between 6 PM on the 16th and 3 AM on the 17th. Minor flooding was reported in town.

Hail, Morrison

When: August 16, 5:05 PM CST
Where: Morrison County, 3 mi NNW of Flensburg
Measured: 0.75 in hail
Reported by: GENERAL PUBLIC
Coordinates: 45.983, -94.550

Dime sized hail fell in Section 11 of Culdrum Township.

Hail, Morrison

When: August 16, 5:10 PM CST
Where: Morrison County, 6 mi W of Little Falls
Measured: 0.75 in hail
Reported by: LAW ENFORCEMENT
Coordinates: 45.983, -94.500

Penny sized hail falling along Highway 27 stopped traffic.

What these are

Hail: Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
Thunderstorm Wind: Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
Heavy Rain: Rainfall totals unusual for the place and season that did not produce a flood.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

Every storm in Minnesota in 2005 Every state in 2005 This day in weather history Warnings in Minnesota, August 2005

Sources

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: 5473287, 5473288, 5473289, 5473290, 5473291, 5473292, 5473293, 5473294.