Alert archive / Illinois / Flash Flood Warnings in 1990
Flash Flood Warning 31, NWS Lincoln, IL
NWS Lincoln, IL issued this flash flood warning at Jun 30, 1990, 3:30 PM CDT for Boone County, DeKalb County, Illinois. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jun 30, 1990, 3:30 PM CDT (20:30 UTC)
- Expired
- Jun 30, 1990, 6:30 PM CDT
- In force
- 3 hr
- Issued by
- NWS Lincoln, IL
- Area
- Whole counties
Counties Boone County, IL, DeKalb County, IL
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 8.5 hours before the alert went out and 270 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 138 J/kg
- Mixed-layer CIN
- -220 J/kg
- Mixed-layer LCL
- 1486 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 114 m²/s²
- 0-3 km storm-relative helicity
- 95 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KRFD 302030
FFWRFD
ILC177-007-037-302330-
BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ROCKFORD IL
330 PM CDT SAT JUN 30 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING
EFFECTIVE UNTIL 630 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE NORTH CENTRAL PART OF ILLINOIS
STEPHENSON...BOONE...DEKALB
AT 3 26 PM CDT...RADAR INDICATES HEAVY RAIN SHOWERS OVER THESE
COUNTIES WHICH COMBINED WITH ALREADY SATURATED SOILS AND FULL
STREAMS MAY CAUSE THEM TO OVERFLOW.
SOME COMMUNITIES THAT ARE IN OR NEAR THE FLASH FLOOD AREA...
FREEPORT...BELVIDERE...DEKALB
THIS FLOOD WARNING MEANS THAT FLOODING IS AN IMMEDIATE THREAT!
PERSONS IN LOW LYING OR FLOOD PRONE AREAS SHOULD MOVE TO HIGHER
GROUND AT ONCE!
IF YOU ARE IN AREAS WHERE YOU ARE NOT FAMILIAR...BE EXTREMELY
CAUTIOUS AND CONSIDER HEADING FOR HIGHER GROUND. IF CAMPING OR
IN A CAR...WATCH FOR RAPIDLY RISING WATER THAT MAY ENDANGER YOUR
CAMPSITE OR CUT OFF ESCAPE ROUTES. DO NOT CROSS ROADS COVERED
BY WATER...THE ROAD MAY BE WASHED OUT OR THE WATER MUCH DEEPER
THAN YOU THINK! REMEMBER THESE FLOODS HAPPEN RAPIDLY...BE ALERT!
ATTN: ISP DIST [1..2..16 BELLWhat forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Jun 30, 1:45 PM CDT, 1 hour 45 minutes before
ILZ009-010-301940- SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 140 PM CDT SAT JUN 30 1990 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 4PM CDT... AT 140 PM RADAR WAS SHOWING SCATTERED THUNDERSTORMS OVER MUCH OF CENTRAL ILLINOIS FROM 25 MIES SOUTHWEST OF QUINCY EXTENDING SOUTHEAST TO CHAMPAIGN THEN SOUTH TO 40 MILES SOUTH OF CHAMPAIGN. NUMEROUS SHOWERS WERE ALSO OCCURING. MOVEMENT WAS SOUTHEAST AT 35 MPH. THE MOST INTENSE THUNDERSTORMS WERE FROM JUST WEST OF PEORIA TO JUST WEST OF DELAVEN AND FROM CHAMPAIGN SOUTH TO MARTINSVILLE. THE STORMS ARE CAPABLE OF PRODUCING DAMAGING WINDS...LARGE HAIL... FREQUENT DEADLY LIGHTNING...AND LOCAALY VERY HEAVY RAINFALL. AS THE, STORMS MOVE THROUGH THE AREA SOME FLOODING OF SMALL STREAMS... STREETS AND HIGHWAYS...AND LOW LYING AREAS ARE POSSIBLE. NO SEVERE WEATHER HAS BEEN REPORTED DURING THE PAST HOUR. STUMETZ
Special weather statement, Jun 30, 1:55 PM CDT, 1 hour 35 minutes before
ILZ009-010-301940- SPECIAL WEATHER STATEMENT...CORRECTION NATIONAL WEATHER SERVICE SPRINGFIELD IL 140 PM CDT SAT JUN 30 1990 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 4PM CDT... AT 140 PM RADAR WAS SHOWING SCATTERED THUNDERSTORMS OVER MUCH OF CENTRAL ILLINOIS FROM 25 MILES SOUTHWEST OF QUINCY EXTENDING SOUTHEAST TO CHAMPAIGN THEN SOUTH TO 40 MILES SOUTH OF CHAMPAIGN. NUMEROUS SHOWERS WERE ALSO OCCURING. MOVEMENT WAS SOUTHEAST AT 35 MPH. THE MOST INTENSE THUNDERSTORMS WERE FROM JUST WEST OF PEORIA TO JUST WEST OF DELAVEN AND FROM CHAMPAIGN SOUTH TO MARTINSVILLE. THE STORMS ARE CAPABLE OF PRODUCING DAMAGING WINDS...LARGE HAIL... FREQUENT DEADLY LIGHTNING...AND LOCALLY VERY HEAVY RAIN:FALL. AS THE STORMS MOVE THROUGH THE AREA SOME FLOODING OF SMALL STREAMS... STREETS AND HIGHWAYS...AND LOW LYING AREAS ARE POSSIBLE. NO SEVERE WEATHER HAS BEEN REPORTED DURING THE PAST HOUR. STUMETZ
Special weather statement, Jun 30, 1:59 PM CDT, 1 hour 31 minutes before
ILZ006-007-009-302000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 155 PM CDT SAT JUN 30 1990 ...THUNDERSTORMS WITH HEAVY RAIN MOVING INTO PEORIA... AT 150 PM...WEATHER SERVICE RADAR INDICATED A LINE OF SHOWERS AND THUNDERSTORMS...SOME WITH HEAVY RAIN...FROM THE PEORIA AREA SOUTHEAST TO LINCOLN. THE STRONGEST THUNDERSTORM WAS LOCATED 20 MILES SOUTH OF PEORIA...NEAR THE TOWN OF GREEN VALLEY. THE RAIN AREA WAS MOVING SOUTHEAST AT 30 MILES AN HOUR. VERY HEAVY RAIN...CAUSING PONDING OF WATER ON ROADS AND UNDERPASSES... DEADLY GROUND STROKES OF LIGHTNING...AND SMALL HAIL ARE POSSIBLE WITH THESE THUNDERSTORMS. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR PORTIONS OF? WEST CENTRAL ILLINOIS UNTIL 400 PM. THE WATCH DOES NOT INCLUDE THE CITY OF PEORIA. J LAST
Special weather statement, Jun 30, 2:37 PM CDT, 53 minutes before
ILZ009-010-302040- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 240 PM CDT SAT JUN 30 1990 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 4PM CDT... ...FLASH FLOOD WATCH THIS AFTERNOON... AT 230 PM RADAR WAS SHOWING SCATTERED THUNDERSTORMS AND SHOWERS OVER CENTRAL ILLINOIS SOUTH OF A LINE FROM NEAR BURLINGTON IOWA TO 20 MILES NORTH OF PEORIA. MOVEMENT WAS SOUTHEAST AT 35 MPH. SEVERAL BANDS OF INTENSE THUNDERSTORMS WERE 20 MILES NORTH OF PEORIA NEAR PRINCEVILLE EXTENDING SOUTHEAST TO SAN JOSE...30 MILES SOUTHEAST OF PEORIA...FROM QUINCY EXTENDING SOUTHEAST TO GREENFIELD...30 MILES SOUTHWEST OF SPRINGFIELD...AND ALONG THE ILLINOIS...INDIANA BORDER FROM DANVILLE SOUTH TO FLAT ROCK ILLINOIS. THE STORMS ARE CAPABLE OF PRODUCING DAMAGING WINDS...LARGE HAIL... FREQUENT DEADLY LIGHTNING...AND VERY HEAVY RAINFALL WHICH WILL CAUSE FLOODING OF STREAMS...LOW LYING AREAS AND PONDING OF WATER OVER STREETS AND HIGHWAYS. o NO SEVERE WEATHER HAS BEEN REPORTED DURING THE PAST HOUR. STUMETZ
Special weather statement, Jun 30, 3:03 PM CDT, 27 minutes before
ILZ005-006-007-009-302100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 300 PM CDT SAT JUN 30 1990 ...SEVERE THUNDERSTORM WATCH FOR THE NORTHERN HALF OF ILLINOIS INCLUDING PEORIA AND SURROUNDING AREAS... THE NATIONAL WEATHER SERVICE HAS ISSUED A NEW SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 1000 PM. AT 255 PM WEATHER SERVICE RADAR INDICATED A LINE OF SHOWERS AND THUNDERSTORMS FROM NORTHERN STARK COUNTY TO SOUTHEAST TAZEWELL COUNTY. THE STRONGEST STORM WAS LOCATED NEAR WYOMING...30 MILES NORTHWEST OF PEORIA. MOVEMENT OF THE RAIN AREA WAS SOUTHEAST AT 30 MILES AN HOUR. VERY HEAVY RAIN...GUSTY WINDS...HAIL AND DANGEROUS GROUND STROKES OF LIGHTNING WILL ACCOMPANY THE THUNDERSTORMS THIS AFTERNOON AND EVENING. WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG BUILDING AND AVOID WINDOWS. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS. STAY TUNED TO RADIO...TELEVISION...OR NOAA WEATHER RADIO FOR LATER STATEMENTS AND POSSIBLE WARNINGS. MILLER
Special weather statement, Jun 30, 3:18 PM CDT, 12 minutes before
ILZ009-010-302130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 315 PM CDT SAT JUN 30 1990 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 10 PM CDT... ...FLASH FLOOD WATCH THIS AFTERNOON... AT 315 PM RADAR WAS SHOWING WIDELY SCATTERED SHOWERS AND THUNDERSTORMS OVER CENTRAL AND SOUTHERN ILLINOIS. MOVEMENT WAS SOUTHEAST AT 35 MPH. THE MOST INTENSE THUNDERSTORMS WERE JUST NORTH OF PEORIA FROM NEAR KEWANEE TO CHILLICOTHE...AND OVER EAST CENTRAL ILLINOIS FROM 20 MILES NORTH OF DANVILLE TO 30 MILES EAST OF DANVILLE INTO INDIANA OVER ATTICA. THE STORMS ARE CAPABLE OF DAMAGING WINDS...LARGE HAIL...FREQUENT DEADLY LIGHTNING...AND VERY HEAVY RAINFALL WHICH WILL CAUSE FLOODING OF SMALL STREAMS...LOW LYING AREAS INCLUDING PONDING OF WATER ON STREETS AND HIGHWAYS. NO SEVERE WEATHER HAS BEEN REPORTED DURING THE PAST HOUR. STUMETZ
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 30, 8:55 AM CDT | Severe Thunderstorm Warning | ILX | Macoupin, Montgomery, Sangamon | 35 min |
| Jun 30, 10:34 AM CDT | Severe Thunderstorm Warning | ILX | Clark | 56 min |
| Jun 30, 11:34 AM CDT | Severe Thunderstorm Warning | ILX | Menard, Sangamon | 56 min |
| Jun 30, 1:46 PM CDT | Flash Flood Warning | ILX | Fulton, Mason, Peoria, Tazewell | 119 min |
| Jun 30, 3:30 PM CDT | Flash Flood Warning | ILX | Stephenson | 3 hr |
| Jun 30, 3:52 PM CDT | Flash Flood Warning | ILX | Carroll, Ogle | 3 hr |
| Jun 30, 4:19 PM CDT | Flash Flood Warning | ILX | Peoria | 116 min |
Nearby
Flash Flood Warnings in Illinois, 1990Every flash flood warning in 1990
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.