1 flood, 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 St. Louis, MO wrote its last area forecast discussion before the first event at Apr 28, 3:55 AM CST, 3 hours 5 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE ST LOUIS MO 455 AM CDT SUN APR 28 2002 SFC BNDRY CLRD FAR SE ZNS ARND 07Z...WITH MUCH DRIER AND MORE STBL AIR FILTERING INTO AREA IN ITS WAKE. COLD AIR SC MUCH FURTHER S THAN WAS ANTICIPATED BY THIS TIME...WHICH ALSO IMPLIES THAT THE COLDER AIR IS ALSO MUCH FURTHER S. THIS CERTAINLY GIVES CREDENCE TO 00Z RUNS WHICH FCSTG 85H TEMPS 3-6 DEGREES LWR THAN ON SAT MRNGS 00Z GUID. BLV THAT COLDER AIR AND LOTS OF CLDS WL REALLY CAUSE TEMPS TO STRUGGLE TO WRM TDA. ALTHO E AND S ZNS ARE STILL QUITE MILD ATTM...ERY MRNG CAA SHUD DROP THEM INTO THE 50S BY DAYBREAK...WITH THE ARRIVAL OF THE CLDS THEN LIMITING THE WRMUP DURG THE AFTN. ALTHO LT APRIL SUNSHINE SHUD TRY TO BRK UP THE EDGES OF THE EXTENSIVE POST SYSTEM CLD DECK...SHUD ALSO SEE QUITE A BIT OF CU FORM DUE TO WET GROUND...COLD AIR ALFT...AND CYC CRCLN. FWC MOS HS BEEN VERY MILD FOR TDA UNTIL THE NEW 00Z PKG CAME OUT...AND THEY HV NOW DROPPED SM 10 TO 15 DEGREES AND ARE IN FAIRLY GD AGREEMENT WITH THE MAV NUMBERS...THAT HV BEEN CONSISTENTLY COOL FOR TDA. SAT AFTN DAY SHIFT CORRECTLY ADJ TEMPS IN GOING FCST DOWNWARD FOR TDA...AND WL KNOCK OFF ANOTHER CAT OR SO ON NEW PKG. COOL WX SHUD CONT TNGT...AS SFC RDG DRIFTS INTO AREA. BIGGEST QUESTION IN SHTTRM IS HOW TO HNDL WX TRENDS HDG INTO THE NEW WORK WEEK. AVN RUN ON SAT AMPLIFIED TROFG OVR N CNTRL U.S. MORE THAT PREV RUNS...AND 00Z AVN OUTPUT CONTS THIS TREND. IN ADV OF TROF...RATHER WK SCNDRY CDFNT IS FCST TO DROP INTO AREA DURG THE DAY ON MON. BOTH THE ETA AND AVN MDLS HINT THAT THERE WL BE JUST ENUF SFC/LO LVL RETURN FLOW ON BACK SIDE OF SFC RDG TO TRNSPRT L50 DWPTS INTO FA...ALG AND JUST AHD OF THIS FNT. THIS MODEST INSTABILITY...ALONG WITH FAIRLY COOL MID LVL TEMPSAND SHTWV ENERGY...SHUD BE JUST ENUF TO BRING A CHC OF TSRA TO AREA WITH FROPA. MID WEEK STILL LKS ACTIVE AS SHTWVS IN STG W FLOW WL BGN TO INTERACT WITH INTENSIFYING AND QSNTRY FNTL ZN. IF 00Z AVN RUN IS CORRECT... MOST FNTL LFT WL OCR IN THE VCNTY OF THE MO/AR BDR...WHICH WULD MAKE THE PCPN HARD PRESSED TO REACH OUR N AREAS. HWVR...A SLGT NWD SHIFT CULD EASILY...AND DRAMATICALLY...CHG THIS SCENARIO...SO WL CONT WITH GOING FCSTS FOR WED AND THU WHICH HAS PCPN ACR ENTR CWFA. .STL...NONE TRUETT
ILZ060-064-065-069-070-074-079-MOZ084-085-099-280715- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 200 AM CDT SUN APR 28 2002 ...PORTIONS OF SOUTHERN ILLINOIS AND SOUTHEAST MISSOURI HAVE BEEN CLEARED FROM TORNADO WATCHES 161 AND 162... THE THREAT FOR SEVERE WEATHER HAS MOVED SOUTHEAST OF THE AREA... THEREFOR THE FOLLOWING COUNTIES IN SOUTHEASTERN MISSOURI HAVE BEEN CLEARED FROM TORNADO WATCH 162: IRON...REYNOLDS...AND MADISON. IN ADDITION...THE FOLLOWING COUNTIES IN ILLINOIS HAVE BEEN CLEARED FROM TORNADO WATCH 161: RANDOLPH...WASHINGTON...CLINTON...BOND... MONTGOMERY...FAYETTE...AND MARION. CARNEY
ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027- 034>036-041-042-047>052-059>065-072>075-084-085-099-282130- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE ST LOUIS MO 740 AM CDT SUN APR 28 2002 THREATS THROUGH TONIGHT... NO HAZARDOUS WEATHER IS EXPECTED. DISCUSSION... HIGH PRESSURE WILL PUSH INTO THE REGION TODAY...PROVIDING THE AREA WITH A COOL...DRY...AND STABLE AIRMASS. OUTLOOK FOR MONDAY... NO HAZARDOUS WEATHER IS EXPECTED. HOWEVER...A WEAK COLD FRONT MAY PRODUCE A FEW SHOWERS AND THUNDERSTORMS IN AREAS ALONG AND NORTH OF INTERSTATE 70...ESPECIALLY MONDAY AFTERNOON. TRUETT THIS PRODUCT WILL BE ISSUED BETWEEN 6 AND 8 AM DAILY...AND WILL BE UPDATED AS NEEDED. FOR DETAILED INFORMATION ON A PARTICULAR THREAT...MAKE SURE TO REFER TO THE ZONE FORECASTS AND THE ACTUAL WATCH...WARNING OR ADVISORY PRODUCT.
The national radar mosaic for the moment the first event began.
1 flood. Local standard time, as filed.
Heavy rain during the last week of April pushed the Mississippi River over its banks. The flooding was relatively minor but worsened and continued into May.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Illinois in 2002Every state in 2002This day in weather historyWarnings in Illinois, April 2002
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: 5290087.