1 high wind, as filed by the National Weather Service.
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.
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 Quad Cities, IA wrote its last area forecast discussion before the first event at Apr 7, 1:21 AM CST, 9 hours 51 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE QUAD CITIES IA IL 221 AM CDT SAT APR 7 2001 POWERFUL SURFACE LOW OVER CENTRAL NEBRASKA AT 06Z WITH WARM FRONT EXTENDING EAST ACROSS IOWA JUST NORTH OF KDVN THEN E-SE ACROSS NRN IL. WATER VAPOR IMAGERY SHOWING IMPRESSIVE DRY PUNCH ASSOCIATED WITH STRONG UPPER LOW OVER WRN NEB PUSHING NE INTO WESTERN IA. CAPPING WARM TEMPERATURES AT H7 WITH DRY PUNCH KILLED EVENING SQUAW LINE IN WARM SECTOR AND MOST TSRA CONFINED NEAR WARM FRONT JUST EAST OF LOW IN NEB AND WELL NORTH OF FRONT IN NORTHERN PLAINS AND GREAT LAKES. IN KDVN CWA ONLY FEW SHRA IN EASTERN IA AND WRN IL WILL EXIT BY FORECAST ISSUANCE. SURFACE WINDS HAVE INCREASED TO 20 TO 30 KNOTS SOUTH OF FRONT PAST FEW HOURS IN SE IA AND W CENTRAL IL WITH AID OF MID LEVEL TROUGH. WINDS WILL BE MAIN FORECAST CHALLENGE TODAY AS PRESSURE GRADIENT TIGHTENS. MODELS IN AGREEMENT WITH LOW MOVING TO CENTRAL MN BY 18Z...IN LINE WITH CURRENT PRESSURE FALLS. GUIDANCE ALSO SIMILAR WITH UPPER LEVEL FEATURES WITH SLIGHTLY DEEPER AND MORE SOUTHEASTERLY AVN H5 LOW PREFERRED BASED ON COMPARISON TO SATELLITE IMAGERY. MODELS IN LESS AGREEMENT WITH HANDLING OF NEXT LOW TO MOVE OFF HIGH PLAINS MONDAY...BUT ETA AND AVN QPF NOT TOO FAR APART AND WILL FOLLOW FOR LOCATION OF SCATTERED POPS SUNDAY NIGHT. TIGHTEST PRESSURE GRADIENT AT SURFACE OCCURS BETWEEN 12Z AND 18Z WITH H850 WINDS OF 50 TO 60 KTS. KDVN VAD WINDS INDICATING 60 KT WINDS AT 2KFT AT 07Z AND GUST TO 48 KTS INDICATED BY KDVN ASOS. LOCAL WIND GUST FORECAST TECHNIQUES INDICATES GUSTS OF 40 TO 45 MPH TODAY. MOS GUIDANCE AND MODEL SURFACE WINDS ADJUSTED DOWNWARD CLOSER TO OBSERVED 06Z VALUES INDICATES WINDS AVERAGING 25 TO 35 MPH THROUGH MIDDAY THEN DECREASING. THIS WILL WARRANT A WIND ADVISORY AND WILL PLACE ACROSS ENTIRE CWA WITH AM PACKAGE. SUNSHINE UNDER DRY SLOT AND DOWNSLOPE WINDS WILL BOOST TEMPERATURES INTO LOWER 70S CLOSE TO GUIDANCE. SHORTWAVE RIDGING IN SW FLOW ALOFT OVER AREA TONIGHT AND EARLY SUNDAY. TEMPERATURES AT H850 RISE 2 TO 4 DEGREES C WARMER THAN SATURDAY...BUT WITH A FEW MORE CLOUDS EXPECTED AND WINDS NOT DOWNSLOPE...HIGHS LOOK SIMILAR OR SLIGHTLY WARMER THAN TODAY AND WILL FOLLOW GUIDANCE. WILL KEEP SCATTERED POPS IN FOR SUNDAY NIGHT AS ROCKIES LOW PUSHES NEXT WARM FRONT AND GULF MOISTURE INTO AREA. .DVN... IA...WIND ADVISORY TODAY ENTIRE AREA. IL...WIND ADVISORY TODAY ENTIRE AREA. MO...WIND ADVISORY TODAY BOTH COUNTIES. SHEETS
The national radar mosaic for the moment the first event began.
1 high wind. Local standard time, as filed.
Non-thunderstorm gradient wind gusts of 50 to 60 mph estimated in Peosta. Reported by a trained storm spotter.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Iowa in 2001Every state in 2001This day in weather historyWarnings in Iowa, April 2001
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: 5243445.