Name: Hail in Iowa, August 11, 2002
Start: 2002-08-11T14:55
End: 2002-08-11T14:55
Location: Iowa

Where it happened

Every event with a place to put it. 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: 1

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 Quad Cities, IA wrote its last area forecast discussion before the first event at Aug 11, 2:13 PM CST, 42 minutes earlier.

Area forecast discussion, Aug 11, 2:13 PM CST, 42 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
313 PM CDT SUN AUG 11 2002

STRONG SHORTWAVE ROTATING OVER SOUTHERN ALBERTA AT MIDDAY WILL CARVE
OUT DEEP UPPER TROUGH OVER N CENTRAL CONUS EARLY THIS WEEK AND SEND
A VIGORUS COLD FRONT THROUGH FORECAST AREA. CHALLENGE CONTINUES TO
BE POPS FROM TONIGHT THROUGH TUESDAY AS AIRMASS AHEAD OF WAVE HAS
PLENTY OF MOISTURE TO WORK WITH.

SCATTERED THUNDERSTORMS HAVE BROKEN OUT OVER THE PAST HOUR MAINLY
ALONG WEAK WARM FRONTAL BOUNDARY FROM OTM TO IOW AT 19Z. MESOSCALE
BOUNDARY APPARENT ON 88D CURVING SE FROM IOW TO NEAR GBG AND LIFTING
NORTH. THESE LIKELY BEING AIDED BY NOSE OF HIGHER H85 MOISTURE...
WITH H85 DEWPOINTS ABOVE 10 C NEAR MCI AT 12Z...AND WEAK MID LEVEL
VORT MAX BEST SHOWN BY ETA INTO EASTERN IA THIS AFTERNOON. MAIN
SYNOPTIC WARM FRONT WELL TO THE NORTH ACROSS CENTRAL MN AND NRN WI
ATTACHED TO LOW OVER WESTERN SD AT 19Z. WITH ON-GOING TSRA AND
SUBTLE BOUNDARY LIFTING THROUGH WARM UNSTABLE AIRMASS...WILL KEEP
CURRENT SCATTERED POPS GOING TONIGHT...ALTHOUGH LOW LEVEL JET THAT
ASSISTED SCATTERED CONVECTION EARLY THIS MORNING WILL LIKELY HAVE
BIGGER IMPACT WELL TO NORTH.

12Z MODELS ALL SIMILAR AND CONTINUED RUN TO RUN TREND OF SLOWING
SYSTEM DOWN WITH FROPA NOW NOT INDICATED UNTIL 12Z TUESDAY. AT UPPER
LEVELS...THEY ARE IN CLOSE AGREEMENT. AVN LIKELY TOO SLOW WITH
FRONTAL PASSAGE AND LINGERING PRECIP OVER AREA THROUGH TUESDAY
EVENING. WENT CLOSER TO ETA COMPROMISE AND LEFT TUESDAY EVENING DRY
FOR NOW.

IN NEARER TERM...BOUNDARIES LEFT OVER FROM OVERNIGHT CONVECTION AND
ANY UPSTREAM MCS WILL BE MAIN FOCUS FOR AFTERNOON TSRA MONDAY AS
FRONT NOT ANTICIPATED IN WEST UNTIL EVENING. WILL KEEP LIKELY POPS
GOING IN WEST WITH HIGH SCATTERED CENTRAL AND SOUTH. SHOULD WARM
NICELY WITH SURFACE SW FLOW...BUT AMOUNT OF CLOUD COVER WILL BE
CRITICAL. GUIDANCE HIGHS TOO COOL AND STAYED SEVERAL DEG ABOVE.
LOCALLY HEAVY RAIN AND SOME SEVERE THREAT CONTINUES WITH MONDAY
NIGHT FROPA AND WILL KEEP WORDING IN ZONES...ALTHOUGH BEST SEVERE
RISK WILL BE ON IA SIDE DUE TO DIURNAL TIMING. UPPER LEVEL TROUGH
DOES NOT PASS UNTIL LATE TUESDAY AND WILL KEEP POST FRONTAL RAIN
POTENTIAL GOING TUESDAY WITH TEMPERATURES HELD TO LOWER 70S.

IN EXTENDED...SLOWING OF CENTRAL CONUS TROUGH HAS DELAYED TIMING OF
NEXT SIGNIFICANT SHORTWAVE UNTIL FRIDAY IN MEDIUM RANGE GUIDANCE AND
THUS REMOVED POPS FROM THURSDAY. RETURN FLOW BRINGS WARM FRONT AND
PRECIP CHANCES FOR FRIDAY...FOLLOWED BY COLD FRONT IN SAT
NIGHT/EARLY SUNDAY TIME FRAME. WITH NOT ENOUGH CONFIDENCE ON
TIMING...HAVE CHANCE POPS FRIDAY THROUGH SUNDAY. TEMPERATURES
TRENDED UPWARD SOME...BUT STILL KEPT MAINLY BELOW GUIDANCE FOR
HIGHS.

.DVN...
IA...NONE.
IL...NONE.
MO...NONE.

11

In the hours before

Local storm report, Aug 11, 2:47 PM CST, 8 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
347 PM CDT SUN AUG 11 2002

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0345 PM    NORTH ENGLISH             IA   .75 INCH HAIL
08/11/02   IOWA                           DIME SIZE HAIL.
                                          REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

The radar

The Des Moines radar (KDMX), 131 km away, was scanning. The volume nearest the first event began at 20:54 UTC.

Open the radar archive at this moment

Event by event

1 hail. Local standard time, as filed.

Hail, Iowa

When: August 11, 2:55 PM CST
Where: Iowa County, Millersburg
Measured: 0.75 in hail
Reported by: TRAINED SPOTTER
Coordinates: 41.567, -92.167

What these are

Hail: Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.

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

The same day elsewhere

More

Every storm in Iowa in 2002 Every state in 2002 This day in weather history Warnings in Iowa, August 2002

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: 5312665.